fix: allow for image deletion (by leaving blank url)

Controllers/GeneralUseHelperFunctions.cs

@@ -139,7 +139,7 @@ public class GeneralUseHelpers(ApplicationDbContext db, IConfiguration appsettin
     {
 
         string           _model = model ?? _appsettings.GetSection("LlmIntegration")["DefaultModel"] ?? "deepclaude";
-        float             _temp = temp ?? 0.6f; // sane default
+        float             _temp = temp ?? 0.8f; // sane default
         string _included_sample = string.Empty;
         string          _prompt = prompt ?? _appsettings.GetSection("LlmIntegration")["DefaultPrompt"] ??
                                     "Cześć, czy jesteś w stanie wymyślić i stworzyć jeden oryginalny cytat? " +

Controllers/QuoteController.cs

@@ -387,6 +387,7 @@ public class QuotesController : ControllerBase
         // Try to find the quote in question
         Quote? quote = await _db.Quotes
             .Include(q => q.QuoteCategories)
+            .Include(q => q.Image)
             .FirstOrDefaultAsync(q => q.Id == id);
 
         // Failed?

Controllers/UserContentController.cs

@@ -20,6 +20,7 @@ public class UserContentController : ControllerBase
     private readonly IConfiguration _appsettings;
     private readonly ApplicationDbContext _db;
     private readonly GeneralUseHelpers guhf;
+    List<string> _allowedExtensions = new List<string>() { ".jpg", ".jpeg", ".jfif", ".png", ".gif", ".avif", ".webp" };
 
     public UserContentController(IConfiguration appsettings, ApplicationDbContext db, GeneralUseHelpers GUHF)
     {
@@ -86,15 +87,14 @@ public class UserContentController : ControllerBase
         }
 
         // Dozwolone rozszerzenia
-        List<string> allowedExtensions = new List<string>() { ".jpg", ".jpeg", ".jfif", ".png", ".gif", ".avif", ".webp" };
         string fileExtension = Path.GetExtension(file.FileName).ToLower();
 
-        if (!allowedExtensions.Contains(fileExtension))
+        if (!_allowedExtensions.Contains(fileExtension))
         {
             return StatusCode(415, new ErrorDTO
             {
                 Status = "error",
-                Error_msg = $"Unknown file extension. Allowed: {string.Join(", ", allowedExtensions)}"
+                Error_msg = $"Unknown file extension. Allowed: {string.Join(", ", _allowedExtensions)}"
             });
         }
 
@@ -149,6 +149,34 @@ public class UserContentController : ControllerBase
         });
     }
 
+    // GET /api/v1/uc/restrictions
+    /// <summary>
+    /// [AUTHED] Get server restrictions for file upload
+    /// </summary>
+    /// <remarks>
+    /// Returns a list of allowed file extensions and mimetypes for upload.
+    /// </remarks>
+    /// <response code="200">Returned on valid request</response>
+    [HttpGet("restrictions")]
+    [Authorize]
+    [EnableCors]
+    [ProducesResponseType(200)]
+    public IActionResult GetFileUploadRestrictions()
+    {
+        return Ok(new
+        {
+            Status = "ok",
+            AllowedMimeTypes = new List<string>
+            {
+                "image/" // this could be done dynamically ~eee4
+            },
+            AllowedExtensions = _allowedExtensions,
+            MaxFileSize = int.TryParse(_appsettings.GetSection("UserContent")["MaxFileSize"], out int r)
+            ? r
+            : 5 * 1024 * 1024
+    });
+    }
+
     // DELETE /api/v1/uc/images/{id}
     /// <summary>
     /// [AUTHED] Delete an image

DTOs/AskLLMInDTO.cs

@@ -2,8 +2,8 @@ namespace QuotifyBE.DTOs;
 
 public record class AskLLMInDTO
 {
-    public string? CustomPrompt { get; set; }
+    public string? CustomPrompt { get; set; } = null;
-    public string? Model { get; set; } = "deepclaude";
+    public string? Model { get; set; } = null;
     public float? Temperature { get; set; } = 0.8f;
     public int? CategoryId { get; set; } = null;
     public bool? UseSampleQuote { get; set; } = false;