fix: adjust logging verbosity

in it's current state xml endpoints are not supported, as no known good
way to serialize it exists

.editorconfig

@@ -3,3 +3,4 @@ end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
+indent_style = tab

.gitea/workflows/02_release.yml

@@ -0,0 +1,35 @@
+# Credit: https://gitea.com/gitea/runner-images/src/branch/main/.gitea/workflows/release.yaml
+name: Release new version
+run-name: Release ${{ github.ref_name }}
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    container: docker.io/thegeeklab/git-sv:2.0.9
+    steps:
+      - name: Install tools
+        run: |
+          apk add -q --update --no-cache nodejs
+      - name: Checkout repository
+        uses: actions/checkout@v6
+        with:
+          fetch-tags: true
+          fetch-depth: 0
+
+      - name: Create changelog
+        run: |
+          git sv current-version
+          git sv release-notes -t ${GITHUB_REF#refs/tags/} -o CHANGELOG.md
+          sed -i '1,2d' CHANGELOG.md # remove version
+          cat CHANGELOG.md
+
+      - name: Release
+        uses: https://github.com/akkuman/gitea-release-action@v1
+        with:
+          body_path: CHANGELOG.md
+          token: "${{ secrets.REPO_RW_TOKEN }}"

.gitea/workflows/99_changelog.yml

@@ -34,4 +34,4 @@ jobs:
             curl -s -X POST "https://gitea.7o7.cx/api/v1/repos/sherl/Shadow/issues" -H "Authorization: token ${{ secrets.ISSUE_RW_TOKEN }}" -H "Content-Type: application/json" -d "$JSON_DATA" > /dev/null
           else
             curl -s -X PATCH "https://gitea.7o7.cx/api/v1/repos/sherl/Shadow/issues/$ISSUE_NUMBER" -H "Authorization: token ${{ secrets.ISSUE_RW_TOKEN }}" -H "Content-Type: application/json" -d "$JSON_DATA" > /dev/null
-          fi
+          fi

Controllers/AlbumController.cs

@@ -0,0 +1,135 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.FileProviders;
+using Shadow.Data;
+using Shadow.DTOs;
+using Shadow.Entities;
+using Shadow.Mapping;
+using Shadow.Tools;
+
+namespace Shadow.Controllers;
+
+[ApiController]
+[Route("rest")]
+[Produces("application/json")]
+public class AlbumController : ControllerBase
+{
+
+	private readonly ApplicationDbContext db;
+	private readonly GeneralUseHelpers guhf;
+
+	public AlbumController(ApplicationDbContext _db, GeneralUseHelpers _guhf)
+	{
+		db = _db;
+		guhf = _guhf;
+	}
+
+	[HttpGet("getCoverArt")]
+	[HttpGet("getCoverArt.view")]
+	[HttpPost("getCoverArt.view")]
+	[ProducesResponseType(200)]
+	[ProducesResponseType(404)]
+	public async Task<IActionResult> GetCoverArt()
+	{
+		string thumbnailPath = db.Globals
+			.First(g => g.Key == "musicThumbnailPath").Value!;
+
+		IFileInfo fileInfo = new PhysicalFileProvider(thumbnailPath)
+			.GetFileInfo("default.png");
+
+		if (!fileInfo.Exists) return NotFound();
+		return PhysicalFile(fileInfo.PhysicalPath!, "image/png");
+	}
+
+	[HttpGet("getAlbumList2")]
+	[ProducesResponseType(200)]
+	public async Task<IActionResult> GetAlbumList2()
+	{
+		// First, check if user is authorized
+		User? user = await guhf.GetUserFromParams(Request);
+
+		if (user == null)
+		{
+			// Craft an error
+			return Ok(new ResponseWrapper
+			{
+				SubsonicResponse = new SubsonicResponseDTO
+				{
+					Status = "failed",
+					error = new ErrorDTO()
+				}
+			});
+		}
+
+		List<AlbumViewShortDTO> albumsDTO = [];
+		List<Album> albums = db.Albums
+			.Where(a => a.State != 1)
+			.Include(a => a.Artist)
+			.Include(a => a.Songs)
+			.ToList();
+
+		foreach (Album al in albums)
+		{
+			albumsDTO.Add(
+				AlbumMapping.ToAlbumViewShort(al)
+			);
+		}
+
+		return Ok(new ResponseWrapper
+		{
+			SubsonicResponse = new SubsonicResponseDTO
+			{
+				albumList2 = new AlbumList2DTO
+				{
+					album = albumsDTO
+				}
+			}
+		});
+	}
+
+	[HttpPost("getAlbumList2.view")]
+	[ProducesResponseType(200)]
+	public async Task<IActionResult> GetAlbumList2Form()
+	{
+		// First, check if user is authorized
+		User? user = await guhf.GetUserFromForm(Request);
+
+		if (user == null)
+		{
+			// Craft an error
+			return Ok(new ResponseWrapper
+			{
+				SubsonicResponse = new SubsonicResponseDTO
+				{
+					Status = "failed",
+					error = new ErrorDTO()
+				}
+			});
+		}
+
+		List<AlbumViewShortDTO> albumsDTO = [];
+		List<Album> albums = db.Albums
+			.Where(a => a.State != 1)
+			.Include(a => a.Artist)
+			.Include(a => a.Songs)
+			.ToList();
+
+		foreach (Album al in albums)
+		{
+			albumsDTO.Add(
+				AlbumMapping.ToAlbumViewShort(al)
+			);
+		}
+
+		return Ok(new ResponseWrapper
+		{
+			SubsonicResponse = new SubsonicResponseDTO
+			{
+				albumList2 = new AlbumList2DTO
+				{
+					album = albumsDTO
+				}
+			}
+		});
+	}
+}

Controllers/Cli.cs

@@ -1,311 +0,0 @@
-using Shadow.Data;
-using Shadow.Entities;
-
-namespace Shadow.Controllers;
-public class Cli
-{
-	private readonly ApplicationDbContext db;
-	private readonly GeneralUseHelpers guhf;
-	private readonly string[] args;
-
-	// TODO: Add "changeUser"
-
-	public Cli(ApplicationDbContext _db, GeneralUseHelpers _guhf, string[] _args)
-	{
-		db   =   _db;
-		guhf = _guhf;
-		args = _args;
-	}
-
-	public async Task<bool> Parse()
-	{
-		// Returns true if the program can finish execution.
-		bool exit = true;
-		// Check if anything has been passed
-		if (args.Length == 0 || args.FirstOrDefault() is null) {
-			return true;
-		}
-		switch (args[0].ToLower())
-		{
-			case "adduser":
-				AddUser();
-				break;
-			case "resetpassword":
-				ResetPassword();
-				break;
-			case "removeuser":
-				RemoveUser();
-				break;
-			case "help":
-			case "--help":
-			case "h":
-			case "-h":
-			case "/h":
-			case "/?":
-			case "?":
-				ShowHelp();
-				break;
-			default:
-				Console.WriteLine($"Unknown option: \"{args[0]}\". See \"help\" for available arguments.");
-				break;
-		}
-
-		return exit;
-	}
-
-	public void ShowHelp()
-	{
-		// Shown when "Shadow --help"/"Shadow help"/... is ran.
-		Console.WriteLine(
-			$"--- Shadow commandline utility ---\n" +
-			$"Shadow version: #{ThisAssembly.Git.Commit} {ThisAssembly.Git.Branch} ({ThisAssembly.Git.CommitDate})\n\n" +
-			$"Available commands:\n" +
-			$"- addUser [username] - create a new user,\n" +
-			$"- resetPassword [username] - reset a user's password,\n" +
-			$"- removeUser [username] - remove the user COMPLETELY.\n\n" +
-			$"Username is optional. If not provided, user will be prompted to enter it.\n" +
-			$"Running without specifying a command launches a Kestrel web server.\n\n" +
-			$"License: AGPLv3+, Source code: https://gitea.7o7.cx/sherl/Shadow"
-		);
-	}
-
-	public void AddUser()
-	{
-		// Check if any cli arguments have been passed
-		// Both:
-		// Shadow addUser
-		// and
-		// Shadow addUser username
-		// are supported.
-
-		Console.WriteLine($"[Shadow] Add a new user");
-		if (args.Length == 2)
-			Console.WriteLine($"         You will be promped to enter a password.");
-		else
-			Console.WriteLine($"         You will be promped to enter a username and password.");
-
-		string? username = null;
-		if (args.Length != 2)
-		{
-			while (username is null || username == String.Empty)
-				username = ReadName("         Please enter a username: ");
-		}
-		else
-			username = args[1];
-
-		// Check if user by this name exists in DB
-		User? foundUser = db.Users
-							.FirstOrDefault(u => u.NormalizedName == username!.ToLower());
-		if (foundUser != null) {
-			Console.WriteLine("Error! User with this name already exists in the database!");
-			return;
-		}
-
-		string             password = ReadPassword();
-		string passwordConfirmation = ReadPassword("         Confirm password: ");
-		if (!password.Equals(passwordConfirmation))
-		{
-			Console.WriteLine("Error! Passwords do not match. Please try again.");
-			return;
-		}
-		bool isUserAdmin = YesNoPrompt($"         Should \"{username}\" be an administrator? [y/N]: ", false);
-
-		User newUser = new User
-		{
-			Name = username!,
-			NormalizedName = username!.ToLower(),
-			Password = password
-		};
-
-		db.Users.Add(newUser);
-		db.SaveChanges();
-	}
-
-	public void ResetPassword()
-	{
-		// Check if any cli arguments have been passed
-		// Both:
-		// Shadow resetPassword
-		// and
-		// Shadow resetPassword username
-		// are supported.
-
-		Console.WriteLine($"[Shadow] Reset password");
-		if (args.Length == 2)
-			Console.WriteLine($"         You will be promped to enter a new password.");
-		else
-			Console.WriteLine($"         You will be promped to enter a username and a new password.");
-
-		string? username = null;
-		if (args.Length != 2)
-		{
-			while (username is null || username == String.Empty)
-				username = ReadName("         Please enter a username: ");
-		}
-		else
-			username = args[1];
-
-		// Check if user by this name exists in DB
-		User? foundUser = db.Users
-							.FirstOrDefault(u => u.NormalizedName == username!.ToLower());
-		if (foundUser == null)
-		{
-			Console.WriteLine("Error! User with this name does not exist in the database!");
-			return;
-		}
-
-		string password = ReadPassword();
-		string passwordConfirmation = ReadPassword("         Confirm new password: ");
-		if (!password.Equals(passwordConfirmation))
-		{
-			Console.WriteLine("Error! Passwords do not match. Please try again.");
-			return;
-		}
-
-		foundUser.Password = password;
-		db.SaveChanges();
-
-	}
-
-	public void RemoveUser()
-	{
-		// Check if any cli arguments have been passed
-		// Both:
-		// Shadow removeUser
-		// and
-		// Shadow removeUser username
-		// are supported.
-
-		Console.WriteLine($"[Shadow] Remove user");
-		if (args.Length == 2)
-			Console.WriteLine($"         You will be promped to enter the password.");
-		else
-			Console.WriteLine($"         You will be promped to enter the username and password.");
-
-		string? username = null;
-		if (args.Length != 2)
-		{
-			while (username is null || username == String.Empty)
-				username = ReadName("         Please enter the username: ");
-		}
-		else
-			username = args[1];
-
-		// Check if user by this name exists in DB
-		User? foundUser = db.Users
-							.FirstOrDefault(u => u.NormalizedName == username!.ToLower());
-		if (foundUser == null)
-		{
-			Console.WriteLine("Error! User with this name does not exist in the database!");
-			return;
-		}
-
-		string password             = ReadPassword();
-		string passwordConfirmation = ReadPassword("         Confirm password: ");
-		if (!password.Equals(passwordConfirmation))
-		{
-			Console.WriteLine("Error! Passwords do not match. Please try again.");
-			return;
-		}
-		if (foundUser.Password != password)
-		{
-			Console.WriteLine($"Error! Entered password does not match that of \"{username}\"!");
-			return;
-		}
-
-		bool userDeletionConfirmation = YesNoPrompt($"         Do you want to remove \"{username}\" completely?\n" +
-													$"         This cannot be undone! [y/N]: ", false);
-		if (userDeletionConfirmation) {
-
-			// All playlists, interactions should be deleted as well.
-			List<AlbumInteraction> albumInteractions = db.AlbumInteractions
-															.Where(ai => ai.User == foundUser)
-															.ToList();
-
-			List<SongInteraction> songInteractions = db.SongInteractions
-														.Where(si => si.User == foundUser)
-														.ToList();
-
-			foreach(AlbumInteraction ai in albumInteractions)
-				db.AlbumInteractions.Remove(ai);
-
-			foreach (SongInteraction si in songInteractions)
-				db.SongInteractions.Remove(si);
-
-			db.Users.Remove(foundUser);
-			db.SaveChanges();
-
-			Console.WriteLine($"User \"{username}\" and all their data deleted successfully.");
-		}
-		else
-			Console.WriteLine("User not removed.");
-
-	}
-
-	public string ReadPassword(string prompt = "         Enter password (will not be echoed back): ")
-	{
-		// https://www.silicloud.com/blog/how-to-hide-content-in-the-console-using-c/
-		string password = String.Empty;
-		ConsoleKeyInfo key;
-
-		bool exit = false;
-		Console.Write(prompt);
-		while (!exit) {
-			key = Console.ReadKey(true);
-
-			// Exit on enter
-			if (key.Key == ConsoleKey.Enter)
-				exit = true;
-			// Clear last character on backspace
-			else if (key.Key == ConsoleKey.Backspace && password.Length > 0)
-				password = password.Substring(0, (password.Length - 1));
-			// Append any other character
-			else
-				password += key.KeyChar;
-		}
-		Console.WriteLine();
-		return password;
-	}
-
-	public string? ReadName(string prompt = "         Enter username: ")
-	{
-		Console.Write(prompt);
-		string? input = Console.ReadLine();
-		return input;
-	}
-
-	public bool YesNoPrompt(string prompt, bool? default_value = null)
-	{
-		// Checks if user input starts with "y", and if it does, returns true.
-		// Otherwise checks for "n". If both checks fail, and default_value is null,
-		// user will be asked repeatedly.
-		bool exit = false;
-		bool response = false;
-
-		Console.Write(prompt);
-		string? input = Console.ReadLine();
-
-		while (!exit)
-		{
-			if (input is not null && input.Length > 0)
-			{
-				if (input.ToLower().StartsWith("y"))
-				{
-					response = true;
-					exit = true;
-				}
-				else if (input.ToLower().StartsWith("n"))
-				{
-					response = false;
-					exit = true;
-				}
-			}
-			else if (default_value is not null)
-			{
-				response = (bool)default_value;
-				exit = true;
-			}
-		}
-		return response;
-	}
-}

Controllers/GeneralUseHelperFunctions.cs

@@ -1,30 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-using Shadow.Data;
-using Shadow.Entities;
-using System.Text;
-
-namespace Shadow.Controllers;
-
-public class GeneralUseHelpers(ApplicationDbContext db, IConfiguration appsettings)
-{
-	private readonly ApplicationDbContext _db = db;
-	private readonly IConfiguration _appsettings = appsettings;
-
-
-	//async public Task<User?> GetUserFromEmail(string email)
-	//{
-	//	return await _db.Users.FirstOrDefaultAsync(e => e.Email == email);
-	//}
-
-	//public string HashWithSHA512(string s)
-	//{
-	//	using (var sha512 = SHA512.Create())
-	//	{
-	//		byte[] bytes = Encoding.ASCII.GetBytes(s);
-	//		byte[] hash = sha512.ComputeHash(bytes);
-	//		string hashstring = BitConverter.ToString(hash).Replace("-", "").ToLower();
-	//		return hashstring;
-	//	}
-	//}
-
-}

Controllers/MiscController.cs

@@ -0,0 +1,153 @@
+using Microsoft.AspNetCore.Mvc;
+using Shadow.Data;
+using Shadow.DTOs;
+using Shadow.Entities;
+using Shadow.Tools;
+
+namespace Shadow.Controllers;
+
+[ApiController]
+[Route("rest")]
+[Produces("application/json")]
+public class MiscController : ControllerBase
+{
+
+	private readonly ApplicationDbContext db;
+	private readonly GeneralUseHelpers guhf;
+
+	public MiscController(ApplicationDbContext _db, GeneralUseHelpers _guhf)
+	{
+		db = _db;
+		guhf = _guhf;
+	}
+
+	[HttpGet("ping")]
+	[ProducesResponseType(200)]
+	public async Task<IActionResult> Ping()
+	{
+		User? user = await guhf.GetUserFromParams(Request);
+
+		// Wrong credentials?
+		if (user == null)
+		{
+			// Craft an error
+			return Ok(new ResponseWrapper
+			{
+				SubsonicResponse = new SubsonicResponseDTO
+				{
+					Status = "failed",
+					error = new ErrorDTO
+					{
+						code = 40,
+						message = "Wrong username or password."
+					}
+				}
+			});
+		}
+
+		return Ok(new ResponseWrapper {
+			SubsonicResponse = new SubsonicResponseDTO()
+		});
+	}
+
+	[HttpPost("ping.view")]
+	[ProducesResponseType(200)]
+	public async Task<IActionResult> PingForm()
+	{
+		User? user = await guhf.GetUserFromForm(Request);
+
+		// Wrong credentials?
+		if (user == null) {
+			// Craft an error
+			return Ok(new ResponseWrapper
+			{
+				SubsonicResponse = new SubsonicResponseDTO {
+					Status = "failed",
+					error = new ErrorDTO {
+						code = 40,
+						message = "Wrong username or password."
+					}
+				}
+			});
+		}
+
+		return Ok(new ResponseWrapper
+		{
+			SubsonicResponse = new SubsonicResponseDTO()
+		});
+	}
+
+	[HttpGet("getUser")]
+	[ProducesResponseType(200)]
+	public async Task<IActionResult> GetUser()
+	{
+		User? user = await guhf.GetUserFromParams(Request);
+
+		// Wrong credentials?
+		if (user == null)
+		{
+			// Craft an error
+			return Ok(new ResponseWrapper
+			{
+				SubsonicResponse = new SubsonicResponseDTO
+				{
+					Status = "failed",
+					error = new ErrorDTO
+					{
+						code = 40,
+						message = "Wrong username or password."
+					}
+				}
+			});
+		}
+
+		return Ok(new ResponseWrapper
+		{
+			SubsonicResponse = new SubsonicResponseDTO
+			{
+				userPing = new UserPingDTO
+				{
+					username = user.Name,
+					adminRole = user.IsAdmin()
+				}
+			}
+		});
+	}
+
+	[HttpPost("getUser.view")]
+	[ProducesResponseType(200)]
+	public async Task<IActionResult> GetUserForm()
+	{
+		User? user = await guhf.GetUserFromForm(Request);
+
+		// Wrong credentials?
+		if (user == null)
+		{
+			// Craft an error
+			return Ok(new ResponseWrapper
+			{
+				SubsonicResponse = new SubsonicResponseDTO
+				{
+					Status = "failed",
+					error = new ErrorDTO
+					{
+						code = 40,
+						message = "Wrong username or password."
+					}
+				}
+			});
+		}
+
+		return Ok(new ResponseWrapper
+		{
+			SubsonicResponse = new SubsonicResponseDTO
+			{
+				userPing = new UserPingDTO
+				{
+					username = user.Name,
+					adminRole = user.IsAdmin()
+				}
+			}
+		});
+	}
+}

Controllers/Seeder.cs

@@ -1,29 +0,0 @@
-using Microsoft.AspNetCore.Mvc;
-using Microsoft.EntityFrameworkCore;
-using Shadow.Controllers;
-using Shadow.Data;
-using Shadow.Entities;
-
-namespace Shadow.Controllers;
-public class Seeder
-{
-	private readonly ApplicationDbContext db;
-	private readonly GeneralUseHelpers guhf;
-
-	public Seeder(ApplicationDbContext _db, GeneralUseHelpers _guhf)
-	{
-		db   = _db;
-		guhf = _guhf;
-	}
-	public void Seed()
-	{
-
-		// TODO: Ensure [unknown album], [unknown artist] exist
-
-		// TODO: Force add a new user through CLI if no users exist
-
-
-		Console.WriteLine($"You're running Shadow, commit {ThisAssembly.Git.Commit} of branch {ThisAssembly.Git.Branch} ({ThisAssembly.Git.CommitDate})\n");
-
-	}
-}

DTOs/AlbumList2DTO.cs

@@ -0,0 +1,11 @@
+using System.Text.Json.Serialization;
+using System.Xml.Serialization;
+
+namespace Shadow.DTOs;
+
+public class AlbumList2DTO
+{
+	[JsonPropertyName("album")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public List<AlbumViewShortDTO>? album { get; set; } = null;
+}

DTOs/AlbumViewShortDTO.cs

@@ -0,0 +1,51 @@
+using System.Text.Json.Serialization;
+using System.Xml.Serialization;
+
+namespace Shadow.DTOs;
+
+public class AlbumViewShortDTO
+{
+	[JsonPropertyName("id")]
+	public string id { get; set; } = string.Empty;
+
+	[JsonPropertyName("name")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public string? name { get; set; } = null;
+
+	[JsonPropertyName("artist")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public string? artist { get; set; } = string.Empty;
+
+	[JsonPropertyName("artistId")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public string? artistId { get; set; } = string.Empty;
+
+	[JsonPropertyName("coverArt")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public string? coverArt { get; set; } = "default.png";
+
+	[JsonPropertyName("songCount")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public int? songCount { get; set; } = null;
+
+	[JsonPropertyName("duration")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public int? duration { get; set; } = 0;
+
+	[JsonPropertyName("playCount")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public int? playCount { get; set; } = 0;
+
+	[JsonPropertyName("year")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public int? year { get; set; } = null;
+
+	[JsonPropertyName("genre")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public string? genre { get; set; } = null;
+
+	[JsonPropertyName("played")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public string? played { get; set; } = null;
+
+}

DTOs/ErrorDTO.cs

@@ -0,0 +1,13 @@
+using System.Text.Json.Serialization;
+using System.Xml.Serialization;
+
+namespace Shadow.DTOs;
+
+public class ErrorDTO
+{
+	[JsonPropertyName("code")]
+	public int code { get; set; } = 0;
+
+	[JsonPropertyName("message")]
+	public string message { get; set; } = "Generic error";
+}

DTOs/ResponseWrapper.cs

@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+
+namespace Shadow.DTOs;
+
+public class ResponseWrapper
+{
+	[JsonPropertyName("subsonic-response")]
+	required public SubsonicResponseDTO SubsonicResponse { get; set; }
+}

DTOs/SubsonicResponseDTO.cs

@@ -0,0 +1,36 @@
+using System.Text.Json.Serialization;
+using System.Xml.Linq;
+using System.Xml.Serialization;
+
+namespace Shadow.DTOs;
+
+public class SubsonicResponseDTO
+{
+	[JsonPropertyName("status")]
+	public string Status { get; set; } = "ok";
+
+	[JsonPropertyName("version")]
+	public string version { get; set; } = "1.15.0";
+
+	[JsonPropertyName("type")]
+	public string type { get; set; } = "shadow";
+
+	[JsonPropertyName("serverVersion")]
+	public string serverVersion { get; set; } = $"0.0.1 ({ThisAssembly.Git.Commit})";
+
+	[JsonPropertyName("openSubsonic")]
+	public bool openSubsonic { get; set; } = true;
+
+	[JsonPropertyName("error")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public ErrorDTO? error { get; set; } = null;
+
+	[JsonPropertyName("albumList2")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public AlbumList2DTO? albumList2 { get; set; } = null;
+
+	[JsonPropertyName("user")]
+	[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+	public UserPingDTO? userPing { get; set; } = null;
+
+}

DTOs/UserPingDTO.cs

@@ -0,0 +1,49 @@
+using System.Text.Json.Serialization;
+
+namespace Shadow.DTOs;
+
+public class UserPingDTO
+{
+	[JsonPropertyName("username")]
+	public string? username { get; set; }
+
+	[JsonPropertyName("scrobblingEnabled")]
+	public bool scrobblingEnabled { get; set; } = false;
+
+	[JsonPropertyName("adminRole")]
+	public bool adminRole {  get; set; } = false;
+
+	[JsonPropertyName("settingsRole")]
+	public bool settingsRole { get; set; } = false;
+
+	[JsonPropertyName("downloadRole")]
+	public bool downlaodRole { get; set; } = true;
+
+	[JsonPropertyName("uploadRole")]
+	public bool uploadRole { get; set; } = false;
+
+	[JsonPropertyName("playlistRole")]
+	public bool playlistRole { get; set; } = false;
+
+	[JsonPropertyName("coverArtRole")]
+	public bool coverArtRole { get; set; } = false;
+
+	[JsonPropertyName("commentRole")]
+	public bool commentRole { get; set; } = false;
+
+	[JsonPropertyName("podcastRole")]
+	public bool podcastRole { get; set; } = false;
+
+	[JsonPropertyName("streamRole")]
+	public bool streamRole { get; set; } = false;
+
+	[JsonPropertyName("jukeboxRole")]
+	public bool jukeboxRole { get; set; } = false;
+
+	[JsonPropertyName("shareRole")]
+	public bool shareRole { get; set; } = false;
+
+	[JsonPropertyName("videoConversionRole")]
+	public bool videoConversionRole { get; set; } = false;
+
+}

Data/ApplicationDbContext.cs

@@ -1,7 +1,5 @@
 using Microsoft.EntityFrameworkCore;
 using Shadow.Entities;
-using System.Diagnostics.Metrics;
-using System.Reflection.Emit;
 
 namespace Shadow.Data;
 public class ApplicationDbContext : DbContext
@@ -17,6 +15,7 @@ public class ApplicationDbContext : DbContext
 	public DbSet<Artist> Artists => Set<Artist>();
 	public DbSet<Genre> Genres => Set<Genre>();
 	public DbSet<GenreSong> GenreSongs => Set<GenreSong>();
+	public DbSet<Global> Globals => Set<Global>();
 	public DbSet<Image> Images => Set<Image>();
 	public DbSet<Playlist> Playlists => Set<Playlist>();
 	public DbSet<PlaylistSong> PlaylistSongs => Set<PlaylistSong>();
@@ -52,6 +51,9 @@ public class ApplicationDbContext : DbContext
 		builder.Entity<Genre>(g => {
 			g.HasIndex(g => g.NormalizedName).IsUnique();
 		});
+		builder.Entity<Global>(c => {
+			c.HasIndex(c => c.Key).IsUnique();
+		});
 		builder.Entity<Playlist>(p => {
 			p.HasIndex(p => p.Uri).IsUnique();
 		});

Entities/Album.cs

@@ -1,7 +1,7 @@
 namespace Shadow.Entities;
 public class Album
 {
-	required public int Id { get; set; }
+	public int Id { get; set; }
 	public required string Name { get; set; }
 	public required string Uri { get; set; }
 	public int State { get; set; } = 0;

Entities/AlbumInteraction.cs

@@ -1,7 +1,7 @@
 namespace Shadow.Entities;
 public class AlbumInteraction
 {
-	required public int Id { get; set; }
+	public int Id { get; set; }
 	required public int AlbumId { get; set; }
 	required public int UserId { get; set; }
 	public DateTime? PlayDate { get; set; } = null;

Entities/Artist.cs

@@ -1,7 +1,7 @@
 namespace Shadow.Entities;
 public class Artist
 {
-	required public int Id { get; set; }
+	public int Id { get; set; }
 	required public string Name { get; set; }
 	required public string NormalizedName { get; set; }
 

Entities/Genre.cs

@@ -1,7 +1,7 @@
 namespace Shadow.Entities;
 public class Genre
 {
-	required public int Id { get; set; }
+	public int Id { get; set; }
 	required public string Name { get; set; }
 	required public string NormalizedName { get; set; }
 

Entities/GenreSong.cs

@@ -2,7 +2,7 @@ namespace Shadow.Entities;
 public class GenreSong
 {
 	// Composite keys
-	required public int GenreId { get; set; }
+	public int GenreId { get; set; }
 	required public int SongId { get; set; }
 
 	required public Genre Genre { get; set; }

Entities/Global.cs

@@ -0,0 +1,7 @@
+namespace Shadow.Entities;
+public class Global
+{
+	public int Id { get; set; }
+	required public string Key { get; set; }
+	public string? Value { get; set; } = null;
+}

Entities/Image.cs

@@ -1,8 +1,9 @@
 namespace Shadow.Entities;
 public class Image
 {
-	required public int Id { get; set; }
+	public int Id { get; set; }
 	required public string Uri { get; set; }
+	required public string Filetype { get; set; }
 	public int State { get; set; }
 	public int? SongId { get; set; } = null;
 

Entities/Playlist.cs

@@ -1,11 +1,12 @@
 namespace Shadow.Entities;
 public class Playlist
 {
-	required public int Id { get; set; }
+	public int Id { get; set; }
 	required public string Name { get; set; }
 	required public string Uri { get; set; }
 	required public string Description { get; set; }
 	required public int CreatorId { get; set; } // UserId?
+	required public bool Private { get; set; } = true;
 
 	required public User Creator { get; set; }
 	public List<PlaylistUser> AuthorizedPlaylistUsers { get; set; } = [];

Entities/Radio.cs

@@ -1,7 +1,7 @@
 namespace Shadow.Entities;
 public class Radio
 {
-	required public int Id { get; set; }
+	public int Id { get; set; }
 	required public string Name { get; set; }
 	required public string NormalizedName { get; set; }
 	public string? Homepage { get; set; } = null;

Entities/Song.cs

@@ -20,8 +20,8 @@ public class Song
 	public int Index { get; set; }
 	public int? TrackNumber { get; set; } = null;
 	public int? DiscNumber { get; set; } = null;
-	required public int AlbumId { get; set; }
+	public int AlbumId { get; set; }
-	required public int ArtistId { get; set; }
+	public int ArtistId { get; set; }
 	public int? ImageId { get; set; } = null;
 
 	// Songs without an album entry shall default to "[Unnamed album]".
@@ -31,6 +31,7 @@ public class Song
 	public List<GenreSong> GenreSongPair { get; set; } = [];
 	public Image? Image { get; set; } = null;
 
+	// TODO: Turn these into an enum.
 	public bool IsOk() => State == 0;
 	public bool IsOrphaned() => State == 1;
 	public bool IsArchived() => State == 2;

Mapping/AlbumMapping.cs

@@ -0,0 +1,27 @@
+using Shadow.DTOs;
+using Shadow.Entities;
+
+namespace Shadow.Mapping;
+
+public static class AlbumMapping
+{
+	public static AlbumViewShortDTO ToAlbumViewShort(Album album)
+	{
+		AlbumViewShortDTO dto = new AlbumViewShortDTO
+		{
+			id = $"{album.Id}",
+			name = album.Name,
+			artist = album.Artist?.Name ?? "[Unknown Artist]",
+			artistId = $"{album.ArtistId}",
+			coverArt = "default.png",
+			songCount = album.Songs.Count,
+			duration = album.Songs.Sum(s => s.Duration),
+			playCount = 0,
+			year = 0,
+			genre = "unknown",
+			// played = "never"
+		};
+
+		return dto;
+	}
+}

Migrations/00000000000000_StoredProcedure.Designer.cs

@@ -0,0 +1,31 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using Shadow.Data;
+
+#nullable disable
+
+namespace Shadow.Migrations
+{
+	[DbContext(typeof(ApplicationDbContext))]
+	[Migration("00000000000000_StoredProcedure")]
+	partial class _00000000000000_StoredProcedure
+	{
+		/// <inheritdoc />
+		protected override void BuildTargetModel(ModelBuilder modelBuilder)
+		{
+#pragma warning disable 612, 618
+			modelBuilder
+				.HasAnnotation("ProductVersion", "10.0.1")
+				.HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+			NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+#pragma warning restore 612, 618
+		}
+	}
+}

Migrations/00000000000000_StoredProcedure.cs

@@ -0,0 +1,52 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Shadow.Migrations;
+public partial class _00000000000000_StoredProcedure : Migration
+{
+	protected override void Up(MigrationBuilder migrationBuilder)
+	{
+		migrationBuilder.Sql("""
+
+			CREATE OR REPLACE PROCEDURE song_cleanup()
+			LANGUAGE plpgsql
+			AS $$
+			BEGIN
+				DELETE FROM "Songs"
+				WHERE "State" = 1;
+			
+				COMMIT;
+			END;
+			$$;
+			
+			""");
+
+		migrationBuilder.Sql("""
+
+			CREATE OR REPLACE PROCEDURE force_rescan()
+			LANGUAGE plpgsql
+			AS $$
+			BEGIN
+				UPDATE "Globals"
+				SET "Value" = '0'
+				WHERE "Key" = 'libraryState';
+			
+				COMMIT;
+			END;
+			$$;
+			
+			""");
+	}
+
+	protected override void Down(MigrationBuilder migrationBuilder)
+	{
+		migrationBuilder.Sql("""
+			DROP PROCEDURE IF EXISTS song_cleanup();
+			""");
+
+		migrationBuilder.Sql("""
+			DROP PROCEDURE IF EXISTS force_rescan();
+			""");
+	}
+}
+

Migrations/20260125172515_InitialMigration.Designer.cs

@@ -1,4 +1,4 @@
-// <auto-generated />
+// <auto-generated />
 using System;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
@@ -12,7 +12,7 @@ using Shadow.Data;
 namespace Shadow.Migrations
 {
 	[DbContext(typeof(ApplicationDbContext))]
-	[Migration("20251209000751_InitialMigration")]
+	[Migration("20260125172515_InitialMigration")]
 	partial class InitialMigration
 	{
 		/// <inheritdoc />
@@ -20,7 +20,7 @@ namespace Shadow.Migrations
 		{
 #pragma warning disable 612, 618
 			modelBuilder
-				.HasAnnotation("ProductVersion", "10.0.0")
+				.HasAnnotation("ProductVersion", "10.0.1")
 				.HasAnnotation("Relational:MaxIdentifierLength", 63);
 
 			NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
@@ -144,6 +144,29 @@ namespace Shadow.Migrations
 					b.ToTable("GenreSongs");
 				});
 
+			modelBuilder.Entity("Shadow.Entities.Global", b =>
+				{
+					b.Property<int>("Id")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("integer");
+
+					NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+					b.Property<string>("Key")
+						.IsRequired()
+						.HasColumnType("text");
+
+					b.Property<string>("Value")
+						.HasColumnType("text");
+
+					b.HasKey("Id");
+
+					b.HasIndex("Key")
+						.IsUnique();
+
+					b.ToTable("Globals");
+				});
+
 			modelBuilder.Entity("Shadow.Entities.Image", b =>
 				{
 					b.Property<int>("Id")
@@ -152,6 +175,10 @@ namespace Shadow.Migrations
 
 					NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
 
+					b.Property<string>("Filetype")
+						.IsRequired()
+						.HasColumnType("text");
+
 					b.Property<int?>("SongId")
 						.HasColumnType("integer");
 
@@ -189,6 +216,9 @@ namespace Shadow.Migrations
 						.IsRequired()
 						.HasColumnType("text");
 
+					b.Property<bool>("Private")
+						.HasColumnType("boolean");
+
 					b.Property<string>("Uri")
 						.IsRequired()
 						.HasColumnType("text");
@@ -602,6 +632,7 @@ namespace Shadow.Migrations
 
 					b.Navigation("SongInteractions");
 				});
+
 #pragma warning restore 612, 618
 		}
 	}

Migrations/20260125172515_InitialMigration.cs

@@ -40,6 +40,20 @@ namespace Shadow.Migrations
 					table.PrimaryKey("PK_Genres", x => x.Id);
 				});
 
+			migrationBuilder.CreateTable(
+				name: "Globals",
+				columns: table => new
+				{
+					Id = table.Column<int>(type: "integer", nullable: false)
+						.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+					Key = table.Column<string>(type: "text", nullable: false),
+					Value = table.Column<string>(type: "text", nullable: true)
+				},
+				constraints: table =>
+				{
+					table.PrimaryKey("PK_Globals", x => x.Id);
+				});
+
 			migrationBuilder.CreateTable(
 				name: "Users",
 				columns: table => new
@@ -86,7 +100,8 @@ namespace Shadow.Migrations
 					Name = table.Column<string>(type: "text", nullable: false),
 					Uri = table.Column<string>(type: "text", nullable: false),
 					Description = table.Column<string>(type: "text", nullable: false),
-					CreatorId = table.Column<int>(type: "integer", nullable: false)
+					CreatorId = table.Column<int>(type: "integer", nullable: false),
+					Private = table.Column<bool>(type: "boolean", nullable: false)
 				},
 				constraints: table =>
 				{
@@ -247,6 +262,7 @@ namespace Shadow.Migrations
 					Id = table.Column<int>(type: "integer", nullable: false)
 						.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
 					Uri = table.Column<string>(type: "text", nullable: false),
+					Filetype = table.Column<string>(type: "text", nullable: false),
 					State = table.Column<int>(type: "integer", nullable: false),
 					SongId = table.Column<int>(type: "integer", nullable: true)
 				},
@@ -346,6 +362,12 @@ namespace Shadow.Migrations
 				table: "GenreSongs",
 				column: "SongId");
 
+			migrationBuilder.CreateIndex(
+				name: "IX_Globals_Key",
+				table: "Globals",
+				column: "Key",
+				unique: true);
+
 			migrationBuilder.CreateIndex(
 				name: "IX_Images_SongId",
 				table: "Images",
@@ -421,6 +443,9 @@ namespace Shadow.Migrations
 			migrationBuilder.DropTable(
 				name: "GenreSongs");
 
+			migrationBuilder.DropTable(
+				name: "Globals");
+
 			migrationBuilder.DropTable(
 				name: "Images");
 

Program.cs

@@ -1,9 +1,10 @@
 using Microsoft.AspNetCore.Mvc.Formatters;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.OpenApi;
-using Shadow.Controllers;
 using Shadow.Data;
+using Shadow.Tools;
 using System.Reflection;
+using System.Xml;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -17,7 +18,10 @@ builder.Services.AddDbContext<ApplicationDbContext>(options =>
 builder.Services.AddControllers(options =>
 {
 	// Add XML serializer
-	options.OutputFormatters.Add(new XmlSerializerOutputFormatter());
+	// options.RespectBrowserAcceptHeader = true;
+	// options.OutputFormatters.Add(new XmlSerializerOutputFormatter(
+	//	new XmlWriterSettings { OmitXmlDeclaration = true }
+	// ));
 }).AddJsonOptions(options =>
 {
 	// Pretty-print JSON
@@ -66,18 +70,20 @@ builder.Services.AddSwaggerGen(options =>
 	var xmlFilename = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
 	options.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, xmlFilename));
 });
+builder.Services.AddHttpLogging();
 
 var app = builder.Build();
+bool shutdown = false;
+bool scanNeeded = false;
 if (args.FirstOrDefault() is not null)
 {
 	// Handle CLI if arguments have been passed.
-	bool shutdown = false;
 	using (IServiceScope scope = app.Services.CreateScope())
 	{
 		ApplicationDbContext db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
 		GeneralUseHelpers  guhf = scope.ServiceProvider.GetRequiredService<GeneralUseHelpers>();
 		Cli                 cli = new(db, guhf, args);
-		shutdown = await cli.Parse();
+		shutdown = cli.Parse();
 	}
 	if (shutdown) return;
 }
@@ -87,9 +93,10 @@ using (IServiceScope scope = app.Services.CreateScope())
 	ApplicationDbContext db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
 	GeneralUseHelpers  guhf = scope.ServiceProvider.GetRequiredService<GeneralUseHelpers>();
 	Seeder           seeder = new(db, guhf);
-	seeder.Seed();
+	shutdown = seeder.Seed();
+	if (!shutdown) scanNeeded = await seeder.ScanPrefetchAsync();
 }
-
+if (shutdown) return;
 
 // Configure the HTTP request pipeline.
 if (app.Environment.IsDevelopment())
@@ -97,6 +104,7 @@ if (app.Environment.IsDevelopment())
 	app.MapOpenApi();
 	app.UseSwagger();
 	app.UseSwaggerUI();
+	app.UseHttpLogging();
 }
 
 app.UseHttpsRedirection();

Shadow.csproj

@@ -19,19 +19,21 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="GitInfo" Version="3.6.0">
+    <PackageReference Include="GitInfo" Version="3.6.0">
-      <PrivateAssets>all</PrivateAssets>
+      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.1" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.1" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="10.0.0">
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="10.0.1">
-      <PrivateAssets>all</PrivateAssets>
+      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.23.0" />
     <PackageReference Include="Npgsql" Version="10.0.0" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.0" />
+    <PackageReference Include="Quartz" Version="3.15.1" />
+    <PackageReference Include="Quartz.Extensions.Hosting" Version="3.15.1" />
     <PackageReference Include="SharpExifTool" Version="13.32.0.1" />
     <PackageReference Include="SkiaSharp" Version="3.119.1" />
     <PackageReference Include="SkiaSharp.NativeAssets.Linux.NoDependencies" Version="3.119.1" />
@@ -41,10 +43,4 @@
     <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="10.0.1" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="Migrations\" />
-    <Folder Include="Mapping\" />
-    <Folder Include="DTOs\" />
-  </ItemGroup>
-
 </Project>

Tools/Cli.cs

@@ -0,0 +1,567 @@
+using Microsoft.EntityFrameworkCore;
+using Shadow.Data;
+using Shadow.Entities;
+
+namespace Shadow.Tools;
+public class Cli
+{
+	private readonly ApplicationDbContext db;
+	private readonly GeneralUseHelpers guhf;
+	private readonly string[] args;
+
+	// TODO: Add "changeUser", "fullRescan", "destructiveRescan", "healthcheck"
+	// TODO: Make this async
+
+	public Cli(ApplicationDbContext _db, GeneralUseHelpers _guhf, string[] _args)
+	{
+		db   =   _db;
+		guhf = _guhf;
+		args = _args;
+	}
+
+	public bool Parse()
+	{
+		// Returns true if the program can finish execution.
+		bool exit = true;
+		// Check if anything has been passed
+		if (args.Length == 0 || args.FirstOrDefault() is null) {
+			return true;
+		}
+		switch (args[0].ToLower())
+		{
+			case "adduser":
+			case "--adduser":
+			case "--add-user":
+				if (!Seeder.EnsureMigrations(db)) return true;
+				AddUser();
+				break;
+			case "resetpassword":
+			case "--resetpassword":
+			case "--reset-password":
+				if (!Seeder.EnsureMigrations(db)) return true;
+				ResetPassword();
+				break;
+			case "removeuser":
+			case "--removeuser":
+			case "--remove-user":
+				if (!Seeder.EnsureMigrations(db)) return true;
+				RemoveUser();
+				break;
+			case "help":
+			case "--help":
+			case "h":
+			case "-h":
+			case "/h":
+			case "/?":
+			case "?":
+				// Help should be shown without forcing migrations.
+				ShowHelp();
+				break;
+			case "setupwizard":
+			case "--setupwizard":
+			case "--setup-wizard":
+			case "setup":
+			case "--setup":
+			case "configure":
+			case "--configure":
+				if (!Seeder.EnsureMigrations(db)) return true;
+				SetupWizard();
+				break;
+			case "clear":
+			case "cleanup":
+			case "cleardb":
+			case "cleanupdb":
+			case "--clear":
+			case "--cleanup":
+				if (!Seeder.EnsureMigrations(db)) return true;
+				CleanUpDb();
+				break;
+			default:
+				Console.WriteLine($"Unknown option: \"{args[0]}\". See \"help\" for available arguments.");
+				break;
+		}
+
+		return exit;
+	}
+
+	public void ShowHelp()
+	{
+		// Shown when "Shadow --help"/"Shadow help"/... is ran.
+		Console.WriteLine(
+			$"--- Shadow commandline utility ---\n" +
+			$"Shadow version: #{ThisAssembly.Git.Commit} {ThisAssembly.Git.Branch} ({ThisAssembly.Git.CommitDate})\n" +
+			$"\n" +
+			$"Available commands:\n" +
+			$"\n" +
+			$"=== User management ===\n" +
+			$"- addUser [username] - create a new user,\n" +
+			$"- resetPassword [username] - reset a user's password,\n" +
+			$"- removeUser [username] - remove the user COMPLETELY.\n" +
+			$"\n" +
+			$"=== Server maintenance ===\n" +
+			$"- setupWizard - configure library and thumbnail location on disk,\n" +
+			$"- cleanup - cleanup database from orphaned songs/albums/artists.\n" +
+			$"\n" +
+			$"[field] means the field is optional. If not provided, user will be prompted to enter it.\n" +
+			$"Running without specifying a command launches a Kestrel web server.\n" +
+			$"\n" +
+			$"License: AGPLv3+, Source code: https://gitea.7o7.cx/sherl/Shadow"
+		);
+	}
+
+	public void AddUser()
+	{
+		// Check if any cli arguments have been passed
+		// Both:
+		// Shadow addUser
+		// and
+		// Shadow addUser username
+		// are supported.
+
+		Console.WriteLine($"[Shadow] Add a new user");
+		if (args.Length == 2)
+			Console.WriteLine($"         You will be promped to enter a password.");
+		else
+			Console.WriteLine($"         You will be promped to enter a username and password.");
+
+		string? username = null;
+		if (args.Length != 2)
+		{
+			while (username is null || username == String.Empty)
+				username = ReadName("         Please enter a username: ");
+		}
+		else
+			username = args[1];
+
+		// Check if user by this name exists in DB
+		User? foundUser = db.Users
+							.FirstOrDefault(u => u.NormalizedName == username!.ToLower());
+		if (foundUser != null) {
+			Console.WriteLine("Error! User with this name already exists in the database!");
+			return;
+		}
+
+		string             password = ReadPassword();
+		string passwordConfirmation = ReadPassword("         Confirm password: ");
+		if (!password.Equals(passwordConfirmation))
+		{
+			Console.WriteLine("Error! Passwords do not match. Please try again.");
+			return;
+		}
+		bool isUserAdmin = YesNoPrompt($"         Should \"{username}\" be an administrator? [y/N]: ", false);
+
+		User newUser = new User
+		{
+			Name = username!,
+			NormalizedName = username!.ToLower(),
+			Password = password,
+			Role = isUserAdmin ? 0 : 1 // 0 = admin
+		};
+
+		db.Users.Add(newUser);
+		db.SaveChanges();
+	}
+
+	public void ResetPassword()
+	{
+		// Check if any cli arguments have been passed
+		// Both:
+		// Shadow resetPassword
+		// and
+		// Shadow resetPassword username
+		// are supported.
+
+		Console.WriteLine($"[Shadow] Reset password");
+		if (args.Length == 2)
+			Console.WriteLine($"         You will be promped to enter a new password.");
+		else
+			Console.WriteLine($"         You will be promped to enter a username and a new password.");
+
+		string? username = null;
+		if (args.Length != 2)
+		{
+			while (username is null || username == String.Empty)
+				username = ReadName("         Please enter a username: ");
+		}
+		else
+			username = args[1];
+
+		// Check if user by this name exists in DB
+		User? foundUser = db.Users
+							.FirstOrDefault(u => u.NormalizedName == username!.ToLower());
+		if (foundUser == null)
+		{
+			Console.WriteLine("Error! User with this name does not exist in the database!");
+			return;
+		}
+
+		string password             = ReadPassword();
+		string passwordConfirmation = ReadPassword("         Confirm new password: ");
+		if (!password.Equals(passwordConfirmation))
+		{
+			Console.WriteLine("Error! Passwords do not match. Please try again.");
+			return;
+		}
+
+		foundUser.Password = password;
+		db.SaveChanges();
+
+	}
+
+	public void RemoveUser()
+	{
+		// Check if any cli arguments have been passed
+		// Both:
+		// Shadow removeUser
+		// and
+		// Shadow removeUser username
+		// are supported.
+
+		Console.WriteLine($"[Shadow] Remove user");
+		if (args.Length == 2)
+			Console.WriteLine($"         You will be prompted to enter the password.");
+		else
+			Console.WriteLine($"         You will be prompted to enter the username and password.");
+
+		string? username = null;
+		if (args.Length != 2)
+		{
+			while (username is null || username == String.Empty)
+				username = ReadName("         Please enter the username: ");
+		}
+		else
+			username = args[1];
+
+		// Check if user by this name exists in DB
+		User? foundUser = db.Users
+							.FirstOrDefault(u => u.NormalizedName == username!.ToLower());
+		if (foundUser == null)
+		{
+			Console.WriteLine("Error! User with this name does not exist in the database!");
+			return;
+		}
+
+		string password             = ReadPassword();
+		string passwordConfirmation = ReadPassword("         Confirm password: ");
+		if (!password.Equals(passwordConfirmation))
+		{
+			Console.WriteLine("Error! Passwords do not match. Please try again.");
+			return;
+		}
+		if (foundUser.Password != password)
+		{
+			Console.WriteLine($"Error! Entered password does not match that of \"{username}\"!");
+			return;
+		}
+
+		bool userDeletionConfirmation = YesNoPrompt($"         Do you want to remove \"{username}\" completely?\n" +
+													$"         This cannot be undone! [y/N]: ", false);
+		if (userDeletionConfirmation) {
+
+			// All playlists, interactions should be deleted as well.
+			List<AlbumInteraction> albumInteractions = db.AlbumInteractions
+															.Where(ai => ai.User == foundUser)
+															.ToList();
+
+			List<SongInteraction> songInteractions = db.SongInteractions
+														.Where(si => si.User == foundUser)
+														.ToList();
+
+			foreach(AlbumInteraction ai in albumInteractions)
+				db.AlbumInteractions.Remove(ai);
+
+			foreach (SongInteraction si in songInteractions)
+				db.SongInteractions.Remove(si);
+
+			db.Users.Remove(foundUser);
+			db.SaveChanges();
+
+			Console.WriteLine($"User \"{username}\" and all their data deleted successfully.");
+		}
+		else
+			Console.WriteLine("User not removed.");
+
+	}
+
+	public bool SetupWizard()
+	{
+		// Returns true if setup successful. Otherwise false.
+		bool success = false;
+
+		Console.WriteLine("[Shadow] Setup wizard\n" +
+			"         Welcome to Shadow's setup wizard. Here, you can customize:\n" +
+			"         - Shadow's music library path, used to scan for audio files,\n" +
+			"         - Shadow's image thumbnails path, used to provide cover art extracted from media.\n" +
+			"         Finally, you will be asked if you want your changes saved.\n");
+
+		// TODO: do a healthcheck here
+
+		Global? musicLibraryPath   = db.Globals.FirstOrDefault(g => g.Key == "musicLibraryPath");
+		Global? musicThumbnailPath = db.Globals.FirstOrDefault(g => g.Key == "musicThumbnailPath");
+
+		bool configurationExists = musicLibraryPath is not null || musicThumbnailPath is not null;
+		if (configurationExists)
+		{
+			Console.WriteLine("         Found existing configuration:");
+			if (musicLibraryPath is not null)
+				Console.WriteLine($"         - for music library: {musicLibraryPath.Value}");
+			if (musicThumbnailPath is not null)
+				Console.WriteLine($"         - for image thumbnails: {musicThumbnailPath.Value}");
+			Console.WriteLine("         They will be OVERWRITTEN if you'll commit your changes.\n");
+		}
+		else
+		{
+			Console.WriteLine("         No existing configuration found.\n");
+		}
+
+		string newMusicLibraryPath   = DefaultPrompt("Please enter your new music library path", musicLibraryPath?.Value).TrimEnd(['\\', '/']);
+		string newMusicThumbnailPath = DefaultPrompt("Please enter your new image thumbnail path", musicThumbnailPath?.Value ?? Path.Combine(newMusicLibraryPath, ".shadow")).TrimEnd(['\\', '/']);
+
+		bool confirmed = YesNoPrompt("Are you sure you want:\n" +
+			$"- \"{newMusicLibraryPath}\" as your new music library path,\n" +
+			$"- \"{newMusicThumbnailPath}\" as your new image thumbnail path?\n" +
+			$"Please answer yes or no [y/N]: ", false);
+
+		if (!confirmed)
+		{
+			Console.WriteLine("Changes not saved.");
+			success = false;
+		}
+		else
+		{
+			Console.Write("Saving changes... ");
+
+			musicLibraryPath   ??= new Global() { Key = "musicLibraryPath" };
+			musicThumbnailPath ??= new Global() { Key = "musicThumbnailPath" };
+
+			musicLibraryPath.Value   = newMusicLibraryPath;
+			musicThumbnailPath.Value = newMusicThumbnailPath;
+
+			System.IO.Directory.CreateDirectory(newMusicLibraryPath);
+			System.IO.Directory.CreateDirectory(newMusicThumbnailPath);
+
+			// Try to find the Assets directory automatically
+			string currentPath = AppContext.BaseDirectory;
+			for (int i = 0; i < 5; i++)
+			{
+				if (Directory.GetFiles(currentPath, "Shadow.slnx")
+					.FirstOrDefault() != null)
+				{
+					File.Copy(
+						Path.Combine(currentPath, "Assets", "vinyl.png"),
+						Path.Combine(newMusicThumbnailPath, "default.png"),
+						true
+					);
+					break;
+				}
+
+				currentPath = Path.Combine(currentPath, "..");
+
+				if (i == 5) Console.WriteLine("\n" +
+					"[Error] Could not determine content root path. \n" +
+					"Please place Assets/vinyl.png in your thumbnail path directory manually\n" +
+					"and rename it to default.png.");
+			}
+
+			// UpdateRange can both Add and Update rows.
+			db.Globals.UpdateRange(musicLibraryPath, musicThumbnailPath);
+			db.SaveChanges();
+
+			Console.WriteLine("success!");
+			success = true;
+
+			Console.WriteLine("\n" +
+				"Tip: On your next run of Shadow, a web server will start.\n" +
+				"If you ever need to enter setup wizard again, use `Shadow setupWizard`.\n" +
+				"For a complete list of available commands use `Shadow help`.\n");
+		}
+
+		return success;
+	}
+
+	public void CleanUpDb()
+	{
+		// Ask user here whether he/she wants to
+		// clear the DB from dangling records (orphaned songs/albums/artists).
+		int rowsAffected = 0;
+
+		// Retrieve orphaned songs
+		List<Song> orphanedSongs = db.Songs
+			.Where(s => s.State == 1)
+			.Include(s => s.Album)
+			.ToList();
+
+		// Ask if it's alright to remove them
+		// and related listening data permanently
+		if (orphanedSongs.Count != 0)
+		{
+			bool songConsent = false;
+			songConsent = YesNoPrompt($"Found {orphanedSongs.Count} orphaned songs. Remove them? [y/N]: ", false);
+			if (songConsent)
+			{
+				foreach (Song s in orphanedSongs)
+				{
+					// Remove song interactions
+					List<SongInteraction> interactions = db.SongInteractions.Where(si => si.Song == s).ToList();
+					db.SongInteractions.RemoveRange(interactions);
+
+					// Remove song from playlists
+					List<PlaylistSong> playlists = db.PlaylistSongs.Where(ps => ps.Song == s).ToList();
+					db.PlaylistSongs.RemoveRange(playlists);
+
+					// Remove song from albums
+					Album album = s.Album;
+					album.Songs.Remove(s);
+
+					if (album.Songs.Count == 0) album.State = 1; // Set album state to orphaned.
+
+					// TODO: Remove song images if not used by any other resource
+					// ...
+
+					db.SaveChanges();
+				}
+
+				// Perform cleanup with stored procedure
+				db.Database.ExecuteSqlRaw("CALL song_cleanup()");
+				rowsAffected += orphanedSongs.Count;
+			}
+		}
+		else Console.WriteLine("No orphaned songs found.");
+
+		// Rinse and repeat
+		// Retrieve orphaned albums
+		List<Album> orphanedAlbums = db.Albums.Where(a => a.State == 1).ToList();
+
+		if (orphanedAlbums.Count != 0)
+		{
+			bool albumConsent = false;
+			albumConsent = YesNoPrompt($"Found {orphanedAlbums.Count} orphaned albums. Remove them? [y/N]: ", false);
+			if (albumConsent)
+			{
+				db.Albums.RemoveRange(orphanedAlbums);
+				rowsAffected += orphanedAlbums.Count;
+				db.SaveChanges();
+			}
+		}
+		else Console.WriteLine("No orphaned albums found.");
+
+		// Retrieve orphaned artists (artists with no songs AND albums)
+		List<Artist> orphanedArtists = db.Artists
+			.Where(a => a.Songs.Count == 0 && a.Albums.Count == 0)
+			.ToList();
+		Artist? unknownArtist = db.Artists
+			.FirstOrDefault(a => a.NormalizedName == "[unknown artist]");
+
+		// Account for the [Unknown Artist],
+		// which is a meta-artist and shall
+		// not be slated for removal.
+		// Can be null only if this command
+		// is ran before seeding.
+		if (unknownArtist != null) orphanedArtists.Remove(unknownArtist);
+
+		if (orphanedArtists.Count != 0)
+		{
+			bool artistConsent = false;
+			artistConsent = YesNoPrompt($"Found {orphanedArtists.Count} orphaned artists. Remove them? [y/N]: ", false);
+			if (artistConsent)
+			{
+				db.Artists.RemoveRange(orphanedArtists);
+				rowsAffected += orphanedArtists.Count;
+			}
+		}
+		else Console.WriteLine("No orphaned artists found.");
+
+		Console.WriteLine($"{rowsAffected} entries affected.");
+		db.SaveChanges();
+	}
+
+	public static string ReadPassword(string prompt = "         Enter password (will not be echoed back): ")
+	{
+		// https://www.silicloud.com/blog/how-to-hide-content-in-the-console-using-c/
+		string password = String.Empty;
+		ConsoleKeyInfo key;
+
+		bool exit = false;
+		Console.Write(prompt);
+		while (!exit) {
+			key = Console.ReadKey(true);
+
+			// Exit on enter
+			if (key.Key == ConsoleKey.Enter)
+				exit = true;
+			// Clear last character on backspace
+			else if (key.Key == ConsoleKey.Backspace && password.Length > 0)
+				password = password.Substring(0, (password.Length - 1));
+			// Append any other character
+			else
+				password += key.KeyChar;
+		}
+		Console.WriteLine();
+		return password;
+	}
+
+	public static string? ReadName(string prompt = "         Enter username: ")
+	{
+		Console.Write(prompt);
+		string? input = Console.ReadLine();
+		return input;
+	}
+
+	public static bool YesNoPrompt(string prompt, bool? default_value = null)
+	{
+		// Checks if user input starts with "y", and if it does, returns true.
+		// Otherwise checks for "n". If both checks fail, and default_value is null,
+		// user will be asked repeatedly.
+		bool exit = false;
+		bool response = false;
+		string? input = null;
+
+
+		while (!exit)
+		{
+			Console.Write(prompt);
+			input = Console.ReadLine();
+
+			if (input is not null && input.Length > 0)
+			{
+				if (input.ToLower().StartsWith("y"))
+				{
+					response = true;
+					exit = true;
+				}
+				else if (input.ToLower().StartsWith("n"))
+				{
+					response = false;
+					exit = true;
+				}
+			}
+			else if (default_value is not null)
+			{
+				response = (bool)default_value;
+				exit = true;
+			}
+		}
+		return response;
+	}
+
+	public static string DefaultPrompt(string prompt, string? default_value = null)
+	{
+		// Prompt the user repeatedly for answer. If default value
+		// is specified, an enter will be treated as if the user
+		// entered the default value.
+		string response = String.Empty;
+		string? input;
+
+		while (response.Trim() == String.Empty)
+		{
+			Console.Write($"{prompt}" + (default_value is not null ? $" [{default_value}]" : "") + ": ");
+			input = Console.ReadLine();
+
+			if (input is not null && input.Length > 0)
+				response = input;
+			else if (default_value is not null)
+				response = default_value;
+		}
+		return response;
+	}
+}

Tools/GeneralUseHelperFunctions.cs

@@ -0,0 +1,101 @@
+using Microsoft.EntityFrameworkCore;
+using Shadow.Data;
+using Shadow.Entities;
+using System.Text;
+using System.Xml.Serialization;
+
+namespace Shadow.Tools;
+
+public class GeneralUseHelpers(ApplicationDbContext? db = null, IConfiguration? appsettings = null)
+{
+	private readonly ApplicationDbContext? _db = db;
+	private readonly IConfiguration? _appsettings = appsettings;
+
+
+	//async public Task<User?> GetUserFromEmail(string email)
+	//{
+	//	return await _db.Users.FirstOrDefaultAsync(e => e.Email == email);
+	//}
+
+	//public string HashWithSHA512(string s)
+	//{
+	//	using (var sha512 = SHA512.Create())
+	//	{
+	//		byte[] bytes = Encoding.ASCII.GetBytes(s);
+	//		byte[] hash = sha512.ComputeHash(bytes);
+	//		string hashstring = BitConverter.ToString(hash).Replace("-", "").ToLower();
+	//		return hashstring;
+	//	}
+	//}
+
+	/// <summary>
+	/// Quick and dirty Dictionary&lt;string, string&gt; to JSON serializer
+	/// </summary>
+	/// <param name="dict">Dictionary with keypair of two strings</param>
+	/// <returns>Minified JSON</returns>
+	public static string DictAsJson(Dictionary<string, string> dict)
+	{
+		string resultJson = String.Empty;
+
+		foreach (string key in dict.Keys)
+		{
+			string cleanKey   = key.Replace("\"", "\\\"");       // "a"b" -> "a\"b"
+			string cleanValue = dict[key].Replace("\"", "\\\"");
+			resultJson += $"\"{cleanKey}\": \"{cleanValue}\", "  // "key": "val",<space>
+				.Replace(@"\", @"\\");                           // a\b -> a\\b
+		}
+
+		return "{" + resultJson[..^2] + "}";
+	}
+
+	public async Task<User?> GetUserFromForm(HttpRequest request)
+	{
+		User? user = null;
+		try
+		{
+			string username = request.Form["u"]!;
+			string saltedPassword = request.Form["t"]!;
+			string sesame = request.Form["s"]!;
+
+			User? foundUser = _db?.Users
+				.FirstOrDefault(u => u.NormalizedName == username.ToLower());
+
+			if (foundUser == null)
+				return user;
+
+			string resaltedPassword = MetadataExtractor.GetStringMD5($"{foundUser.Password}{sesame}");
+			if (resaltedPassword == saltedPassword)
+				user = foundUser;
+		}
+		catch
+		{
+			user = null;
+		}
+		
+		return user;
+	}
+
+	public async Task<User?> GetUserFromParams(HttpRequest request)
+	{
+		User? user = null;
+		try
+		{
+			string username = request.Query["u"]!;
+			string saltedPassword = request.Query["t"]!;
+			string sesame = request.Query["s"]!;
+
+			User foundUser = _db!.Users
+				.FirstOrDefault(u => u.NormalizedName == username.ToLower())!;
+
+			string resaltedPassword = MetadataExtractor.GetStringMD5($"{foundUser.Password}{sesame}");
+			if (resaltedPassword == saltedPassword)
+				user = foundUser;
+		}
+		catch
+		{
+			user = null;
+		}
+
+		return user;
+	}
+}

Tools/LibraryWatcher.cs

@@ -0,0 +1,144 @@
+using Microsoft.EntityFrameworkCore;
+using Shadow.Data;
+using Shadow.Entities;
+using System;
+using System.IO;
+
+namespace Shadow.Tools;
+public class LibraryWatcher(string watchPath, string[] excludedPaths, ApplicationDbContext dbContext)
+{
+	private readonly string libraryPath = watchPath;
+	private readonly string[] excludedPaths = excludedPaths;
+	private readonly ApplicationDbContext db = dbContext;
+	private readonly GeneralUseHelpers guhf = new();
+
+	/// <summary>
+	/// Returns a sorted list of paths to all files in a directory, recursively.
+	/// </summary>
+	/// <param name="directory">Path to directory</param>
+	/// <returns>Sorted list of filepaths</returns>
+	public async Task<List<string>> GetFilesRecursivelyAsync(string directory)
+	{
+		string[] allowedExtensions = [".flac", ".m4a", ".mp3", ".ogg", ".wav"];
+		try
+		{
+			List<string> files =
+				Directory.GetFiles(directory, "*", SearchOption.AllDirectories)
+				.Where(file => allowedExtensions.Any(file.ToLower().EndsWith))
+				.ToList();
+
+			files.Sort();
+			return files;
+		}
+		catch (DirectoryNotFoundException)
+		{
+			Console.WriteLine($"[Error] Directory \"{directory}\" does not exist!\n" +
+				"        Please create it manually, or use `Shadow setupWizard`.");
+			throw new DirectoryNotFoundException();
+		}
+
+	}
+
+	/// <summary>
+	/// Return all multimedia content inside of library
+	/// </summary>
+	/// <returns>List of multimedia filepaths</returns>
+	public async Task<List<string>> GetAllMultimediaAsync()
+	{
+
+		// List files in cache
+		// Note: currently, the only excluded path from scanning is the thumbnail cache.
+		// This might change in the future.
+		List<string> cacheFiles = await GetFilesRecursivelyAsync(excludedPaths[0]);
+
+		// List files in library excluding cache
+		List<string> libraryContent = await GetFilesRecursivelyAsync(libraryPath);
+		List<string> libraryMultimedia = libraryContent.Except(cacheFiles).ToList();
+
+		return libraryMultimedia;
+	}
+
+	/// <summary>
+	/// Scan the library in its entirety
+	/// </summary>
+	/// <returns></returns>
+	public async Task<List<string>> PerformFullScanAsync()
+	{
+		Console.WriteLine("Performing full library scan...");
+
+		// Current library state as present in database
+		List<Song> currentLibraryMedia = await db.Songs
+			.Where(s => s.State == 0)
+			.ToListAsync();
+
+		// Updated library state
+		List<Song> updatedSongList = [];
+		List<string> newMultimediaPathNames = await GetAllMultimediaAsync();
+		foreach (string filepath in newMultimediaPathNames)
+		{
+			Console.WriteLine(filepath);
+			Dictionary<string, string> fileInfo = await MetadataExtractor.ExtractAsync(filepath);
+
+			// Pretend we are doing parsing here...
+			Console.WriteLine(GeneralUseHelpers.DictAsJson(fileInfo));
+			Song? songInDb = db.Songs
+				.Include(s => s.Album)
+				.FirstOrDefault(s => s.Uri == fileInfo["_shadow:fileHash"]);
+			if (songInDb != null)
+			{
+				// Don't parse the song
+				Console.WriteLine("Skipping song as it already exists in database...");
+
+				// But update it's location in case it has been moved
+				songInDb.Filepath = filepath;
+
+				// And state in case it has been reinstated
+				songInDb.State = 0;       // Set non-orphaned state
+				songInDb.Album.State = 0; // -||-
+				db.Update(songInDb); // Is this necessary?
+				await db.SaveChangesAsync();
+
+				// Afterwards include it in the updated song list
+				updatedSongList.Add(songInDb);
+			}
+			else
+			{
+				// A new song? Parse it and add to DB
+				Song? newSong = MediaParser.CreateSong(db, fileInfo);
+
+				// Sanity check
+				if (newSong != null)
+					updatedSongList.Add(newSong);
+			}
+		}
+
+		Console.WriteLine($"Full scan complete! Processed {newMultimediaPathNames.Count} files.");
+
+		List<Song> orphanedSongs = currentLibraryMedia
+			.Except(updatedSongList)
+			.ToList();
+
+		Console.WriteLine($"Detected {orphanedSongs.Count} new orphaned songs");
+		foreach (Song s in orphanedSongs)
+		{
+			Song dbSong = db.Songs
+				.Include(d => d.Artist)
+				.First(d => d.Id == s.Id);
+			Console.WriteLine($"- {dbSong.Title} by {dbSong.Artist.Name} (previous path: {dbSong.Filepath})");
+			dbSong.State = 1;
+			await db.SaveChangesAsync();
+		}
+
+		Console.WriteLine();
+
+		// Update state inside of DB
+		string updatedLibraryState = MetadataExtractor.GetStringMD5(string.Join("\n", newMultimediaPathNames));
+		Global lastLibraryState = db.Globals.FirstOrDefault(g => g.Key == "libraryState")
+			?? new() { Key = "libraryState"};
+		lastLibraryState.Value = updatedLibraryState;
+		db.Update(lastLibraryState);
+		await db.SaveChangesAsync();
+
+		return newMultimediaPathNames;
+	}
+}

Tools/MediaParser.cs

@@ -0,0 +1,129 @@
+using Microsoft.VisualBasic.FileIO;
+using Shadow.Data;
+using Shadow.Entities;
+using System.Security.Cryptography;
+
+namespace Shadow.Tools;
+
+public static class MediaParser
+{
+	/// <summary>
+	/// Generate a random hex string (with length 32 by default)
+	/// </summary>
+	/// <param name="length">Optional: hexstring length</param>
+	/// <returns>A hexstring of given length</returns>
+	public static string HexStr(int length = 32)
+	{
+		return RandomNumberGenerator.GetHexString(length).ToLower();
+	}
+
+	/// <summary>
+	/// Get metadata content opportunistically
+	/// </summary>
+	/// <param name="metadata">Dictionary to search in</param>
+	/// <param name="searchStrings">Keywords to search for</param>
+	/// <returns>Retrieved value (string) on success, otherwise null</returns>
+	public static string? GetAny(Dictionary<string, string> metadata, List<string> searchStrings)
+	{
+		foreach (string searchString in searchStrings)
+		{
+			if (metadata.TryGetValue(searchString, out string? value) && !string.IsNullOrEmpty(value))
+				return value;
+		}
+		return null;
+	}
+
+	/// <summary>
+	/// Map exiftool metadata to Song entity.
+	/// </summary>
+	/// <param name="db">Database context</param>
+	/// <param name="exif">ExifTool metadata</param>
+	/// <returns>New Song entity, or null if song already exists in db</returns>
+	public static Song? CreateSong(ApplicationDbContext db, Dictionary<string, string> exif)
+	{
+
+		// First of all, check if song already exists in db
+		string uri = GetAny(exif, ["_shadow:fileHash"])
+			?? throw new Exception("Fatal error: could not get file hash!");
+		if (db.Songs.FirstOrDefault(s => s.Uri == uri) != null) return null;
+
+		// If not, extract exif data
+		string title = GetAny(exif, [
+			"ItemList:Title",    // iTunes m4a
+			"ItemList:SortName", // iTunes m4a
+			"Vorbis:Title",      // Bandcamp ogg
+			"ID3v2_3:Title",     // Generic mp3/wav ID3 v2.3.0
+			])
+			?? Path.Combine(exif["System:Directory"], exif["System:FileName"]);
+		string filepath = Path.GetFullPath(
+			Path.Combine(exif["System:Directory"], exif["System:FileName"])
+			); // TODO: bulletproof this
+		string filetype = exif["File:FileType"].ToLower();
+
+		// Album/artist related
+		string artistName = GetAny(exif, [
+			"ItemList:Artist",        // iTunes m4a
+			"ItemList:AlbumArtist",   // iTunes m4a
+			"Vorbis:Artist",          // Bandcamp m4a
+			"Vorbis:Albumartist",     // Bandcamp m4a
+			"ID3v2_3:Artist",         // Generic mp3/wav ID3 v2.3.0
+			]) ?? "[Unknown Artist]"; // this is a weak line of defense against deliberately crafted 
+
+		string albumName = GetAny(exif, [
+			"ItemList:Album",        // iTunes m4a
+			"Vorbis:Album",          // Bandcamp m4a
+			"ID3v2_3:Album",         // Generic mp3/wav ID3 v2.3.0
+			]) ?? "[Unknown Album]"; // again, weak line of defense
+
+		// TODO: Try and find genres
+
+		// Try to find relevant artists and albums
+		Artist artist = db.Artists
+			.FirstOrDefault(a => a.NormalizedName == artistName.ToLower())
+			?? new Artist
+			{
+				Name = artistName,
+				NormalizedName = artistName.ToLower()
+			};
+
+		Album album = db.Albums
+			.FirstOrDefault(a => a.Name == albumName && a.Artist == artist)
+			?? new Album
+			{
+				Name = albumName,
+				Uri = HexStr(),
+				Artist = artist
+			};
+
+		Song song = new()
+		{
+			Title = title,
+			Uri = uri,
+			Filepath = filepath,
+			Filetype = filetype,
+			Album = album,
+			Artist = artist
+		};
+
+		try
+		{
+			// Is Update() safe here?
+			db.Artists.Update(artist);
+			db.Albums.Update(album);
+			db.SaveChanges();
+			db.Songs.Update(song);
+			artist.Albums.Add(album);
+			artist.Songs.Add(song);
+			db.SaveChanges();
+		}
+		catch (Exception e)
+		{
+			Console.WriteLine($"[Error: MediaParser] Failed to extract metadata from {filepath}:\n" +
+				$"{e}");
+		}
+
+		return song;
+	}
+
+
+}

Tools/MetadataExtractor.cs

@@ -0,0 +1,67 @@
+using SharpExifTool;
+using System.Security.Cryptography;
+namespace Shadow.Tools;
+
+public static class MetadataExtractor
+{
+	private readonly static ExifTool exifTool = new();
+	private readonly static GeneralUseHelpers guhf = new();
+	public async static Task<Dictionary<string, string>> ExtractAsync(string fullPath)
+	{
+		// Get all relevant metadata
+		Dictionary<string, string> fileMetadata = new(await
+			exifTool.ExtractAllMetadataAsync(fullPath));
+
+		// Add in a MD5 hint
+		string md5sum = await GetFileMD5Async(fullPath);
+		fileMetadata?.Add("_shadow:fileHash", md5sum);
+
+		return fileMetadata ?? [];
+	}
+
+	/// <summary>
+	/// Compute MD5 checksum of a file
+	/// </summary>
+	/// <param name="fullPath">Input file absolute path</param>
+	/// <returns>MD5 hexstring</returns>
+	public static async Task<string> GetFileMD5Async(string fullPath)
+	{
+		string fallbackValue = String.Empty;
+		
+		try
+		{
+			if (File.Exists(fullPath))
+				using (MD5 md5 = MD5.Create())
+				{
+					using (FileStream stream = File.OpenRead(fullPath))
+					{
+						byte[] hashBytes = await md5.ComputeHashAsync(stream);
+						string hashString = Convert.ToHexStringLower(hashBytes);
+						return hashString;
+					}
+				}
+			else return fallbackValue;
+		}
+		catch
+		{
+			return fallbackValue;
+		}
+	}
+
+	/// <summary>
+	/// Compute MD5 checksum of a string
+	/// </summary>
+	/// <param name="input">Input string for the MD5 hash</param>
+	/// <returns>MD5 hexstring</returns>
+	public static string GetStringMD5(string input)
+	{
+		// https://stackoverflow.com/a/24031467
+		byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes(input);
+		byte[] hashBytes = MD5.HashData(inputBytes);
+		string hashString = Convert.ToHexStringLower(hashBytes);
+
+		return hashString;
+	}
+
+
+}

Tools/Seeder.cs

@@ -0,0 +1,236 @@
+using Microsoft.EntityFrameworkCore;
+using Shadow.Data;
+using Shadow.Entities;
+
+namespace Shadow.Tools;
+public class Seeder
+{
+	private readonly ApplicationDbContext db;
+	private readonly GeneralUseHelpers guhf;
+
+	public Seeder(ApplicationDbContext _db, GeneralUseHelpers _guhf)
+	{
+		db   = _db;
+		guhf = _guhf;
+	}
+	public bool Seed()
+	{
+		// Will return true if application should be shut down.
+		// Otherwise returns false.
+		bool shutdown = false;
+
+		Console.WriteLine($"You're running Shadow, commit {ThisAssembly.Git.Commit} of branch {ThisAssembly.Git.Branch} ({ThisAssembly.Git.CommitDate})\n");
+
+		// Check migration status. If we can't proceed, exit now.
+		bool migrationSucceeded = EnsureMigrations(db);
+		if (!migrationSucceeded) return true;
+
+		// Check if this is a clean, first run. If so, run the setup wizard.
+		Global? lastVersion = db.Globals.FirstOrDefault(c => c.Key == "lastVersion");
+		Global? runs = db.Globals.FirstOrDefault(g => g.Key == "runs");
+		if (lastVersion is null)
+		{
+			shutdown = true;
+			bool setupSuccessfull = false;
+			Console.WriteLine("This seems to be a fresh install. Running setup wizard for you.\n");
+			Cli cli = new(db, guhf, []);
+			setupSuccessfull = cli.SetupWizard();
+
+			if (setupSuccessfull)
+			{
+				// Cli.SetupWizard() takes care of musicLibraryPath and musicThumbnailPath
+				lastVersion            = new Global() { Key = "lastVersion",     Value = ThisAssembly.Git.Commit };
+				runs                   = new Global() { Key = "runs",            Value = "0" };
+				Global lastVersionDate = new Global() { Key = "lastVersionDate", Value = ThisAssembly.Git.CommitDate };
+				Global libraryState    = new Global() { Key = "libraryState",    Value = "00000000000000000000000000000000" };
+				db.Globals.AddRange(lastVersion, lastVersionDate, runs, libraryState);
+			}
+			else
+				Console.WriteLine("Setup wizard failed. Please try running it again using \"Shadow setupWizard\".");
+
+			db.SaveChanges();
+			return shutdown;
+		}
+
+		// Check if running a newer (different) version
+		if (lastVersion.Value != ThisAssembly.Git.Commit)
+		{
+			Global lastVersionDate = db.Globals.FirstOrDefault(c => c.Key == "lastVersionDate")
+									?? new Global() { Key = "lastVersionDate", Value = ThisAssembly.Git.CommitDate };
+
+			if (String.Compare(lastVersionDate.Value, ThisAssembly.Git.CommitDate) > 0)
+			{
+				// User is running an earlier version of the application.
+				Console.WriteLine("Downgrade detected! Waiting 30 seconds.\n" +
+					"Please consider stopping Shadow in order to avoid accidental data loss!\n");
+				Thread.Sleep(30_000);
+			}
+			else
+				Console.WriteLine("Upgrade detected. Make sure you're using the most recent migrations.\n" +
+					"If not, apply them automatically or with `dotnet ef database update`.\n");
+
+			lastVersion.Value = ThisAssembly.Git.Commit;
+			lastVersionDate.Value = ThisAssembly.Git.CommitDate;
+
+			db.UpdateRange(lastVersion, lastVersionDate);
+		}
+
+		// Check if any user/admin exist. Display appropriate warnings if not.
+		int userCount = db.Users.Count();
+		if (userCount == 0)
+			Console.WriteLine("[Warn]: No user accounts found. Running a server no one can access! Consider creating an account with `Shadow addUser`.\n");
+
+		int adminCount = db.Users.Count(u => u.Role == 0); // equivalent to u.IsAdmin()
+		if (adminCount == 0 && userCount > 0)
+			Console.WriteLine("[Warn]: No admin accounts exist. Consider creating one with `Shadow addUser`.\n");
+
+		// Ensure [Unknown Artist], [Unknown Album] exist
+		Artist unknownArtist = db.Artists.FirstOrDefault(a => a.Name == "[Unknown Artist]") ?? new Artist()
+		{
+			Name = "[Unknown Artist]",
+			NormalizedName = "[unknown artist]"
+		};
+
+		// Update works both as an Add and Update.
+		db.Update(unknownArtist);
+		db.SaveChanges();
+
+		Album unknownAlbum = db.Albums.FirstOrDefault(a => a.Name == "[Unknown Album]") ?? new Album()
+		{
+			Name = "[Unknown Album]",
+			Uri = "00000000000000000000000000000000",
+			Artist = unknownArtist
+		};
+		db.Update(unknownAlbum);
+
+		// Add [Unknown Album] to [Unknown Artist]
+		unknownArtist.Albums.Add(unknownAlbum);
+		db.Update(unknownArtist);
+
+		runs ??= new Global() { Key = "runs", Value = "0" };
+		if (int.TryParse(runs.Value, out int runsInt))
+			runs.Value = $"{runsInt + 1}";
+
+		db.Update(runs);		
+		db.SaveChanges();
+
+		return shutdown;
+
+	}
+
+	public static bool EnsureMigrations(ApplicationDbContext dbContext)
+	{
+		// Returns true if migrations have been successfully applied.
+		// Otherwise returns false.
+		bool migrationSuccess = false;
+		List<string> availableMigrations = dbContext.Database.GetMigrations().ToList();
+		List<string> appliedMigrations   = dbContext.Database.GetAppliedMigrations().ToList();
+
+		bool hasMissingMigrations = availableMigrations.Count > appliedMigrations.Count;
+		if (hasMissingMigrations)
+		{
+			bool userMigrationConsent = true; // apply migrations by default
+			Console.WriteLine("\n" +
+				"========================================\n" +
+				"[Warn] Database migrations missing!\n" +
+				"========================================");
+			if (appliedMigrations.Count == 0)
+			{
+				Console.WriteLine( "Empty database detected. Applying migrations is recommended, and required if this is the first run of Shadow.");
+				// userMigrationConsent = Cli.YesNoPrompt("Do you want to apply migrations automatically? [Y/n]: ", true);
+			}
+			else
+			{
+				Console.WriteLine($"Detected existing {appliedMigrations.Count} migrations. Backing up the database before applying migrations is recommended.\n" +
+					"Waiting 15 seconds.");
+				Thread.Sleep(15_000);
+				// userMigrationConsent = Cli.YesNoPrompt("Do you want to apply migrations automatically? [y/N]: ", false);
+			}
+
+			// Do we have user permission to perform migration?
+			if (userMigrationConsent)
+			{
+				try
+				{
+					dbContext.Database.Migrate();
+					dbContext.SaveChanges();
+				}
+				catch (Exception e)
+				{
+					Console.WriteLine("Error! Unable to process migration automatically.\n" +
+						$"Error message was: {e.Message}\n\n" +
+						$"Consider ");
+				}
+			}
+			else
+			{
+				Console.WriteLine("Exiting...");
+				return migrationSuccess;
+			}
+
+			// Check if migrations match afterwards
+			List<string> newlyAppliedMigrations = dbContext.Database.GetAppliedMigrations().ToList();
+			bool doNewlyAppliedMigrationsMatch = availableMigrations.SequenceEqual(newlyAppliedMigrations);
+			if (doNewlyAppliedMigrationsMatch)
+			{
+				Console.WriteLine("\n" +
+					"==============================\n" +
+					"Migration success!\n" +
+					"==============================\n");
+				migrationSuccess = true;
+			}
+			else
+			{
+				// An error ocurred when applying migrations automatically
+				Console.WriteLine("\n" +
+					"==================================================\n" +
+					"[Error] Failed applying migrations automatically!\n" +
+					"==================================================\n");
+				Console.WriteLine("The list of newly applied migrations does not match the list of planned migrations.\n" +
+					"Shadow cannot operate with missing migrations. Please manually revise the database structure and create backups before altering it.\n");
+				migrationSuccess = false;
+			}
+		}
+		else migrationSuccess = true;
+
+		return migrationSuccess;
+	}
+
+	/// <summary>
+	/// Check if the library needs a full rescan
+	/// </summary>
+	/// <returns>True if full rescan is needed</returns>
+	/// <exception cref="MissingFieldException">Thrown when either last library state, path to music library or cache is unknown</exception>
+	public async Task<bool> ScanPrefetchAsync()
+	{
+		bool scanNecessary = false;
+		Global? lastLibraryState = await db.Globals.FirstOrDefaultAsync(g => g.Key ==       "libraryState");
+		Global?      libraryPath = await db.Globals.FirstOrDefaultAsync(g => g.Key ==   "musicLibraryPath");
+		Global?        cachePath = await db.Globals.FirstOrDefaultAsync(g => g.Key == "musicThumbnailPath");
+
+		if (libraryPath is null || cachePath is null || lastLibraryState is null)
+		{
+			throw new MissingFieldException("[Error] Missing libraryState, musicLibraryPath, musicThumbnailPath. Please rerun the setup wizard with `Shadow setupWizard`.");
+		}
+		LibraryWatcher lw = new(libraryPath.Value!, [cachePath.Value!], db);
+
+		// Get library contents
+		List<string> currentLibraryStateList = await lw.GetAllMultimediaAsync();
+		// Compute their hash
+		string currentLibraryStateString = string.Join("\n", currentLibraryStateList);
+		string currentLibraryState = MetadataExtractor.GetStringMD5(currentLibraryStateString);
+
+		// Compare against last known library state
+		if (currentLibraryState != lastLibraryState.Value)
+			scanNecessary = true;
+
+		// The contents changed? Initiate a full rescan, then call LibraryWatcher.
+		if (scanNecessary)
+			await lw.PerformFullScanAsync();
+		// State seems identical? Launch just the LibraryWatcher.
+		// TODO: lw.Watch()...
+
+		return scanNecessary;
+
+	}
+}

appsettings.example.json

@@ -2,7 +2,9 @@
   "Logging": {
     "LogLevel": {
       "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
+      "Microsoft.AspNetCore": "Warning",
+      "Microsoft.EntityFrameworkCore.Database.Command": "Warning",
+      "Microsoft.AspNetCore.HttpLogging.HttpLoggingMiddleware": "Information"
     }
   },
   "AllowedHosts": "*",