feat: basic stats endpoint

Controllers/StatisticController.cs

@@ -0,0 +1,59 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using QuotifyBE.Data;
+using Microsoft.AspNetCore.Cors;
+
+namespace QuotifyBE.Controllers;
+
+
+[ApiController]
+[EnableCors]
+[Route("api/v1/stats")]
+[Produces("application/json")]
+public class StatisticController : ControllerBase
+{
+
+    private readonly ApplicationDbContext _db;
+
+    public StatisticController( ApplicationDbContext db)
+    {
+        _db = db;
+    }
+
+    // GET /api/v1/stats
+    /// <summary>
+    /// Return server statistics
+    /// </summary>
+    /// <remarks>
+    /// Provides, info on last commit # and date, branch name,
+    /// sitewide stats (number of draws) and available endpoints
+    /// (machine-friendly json).
+    /// <br/>
+    /// Has CORS set.
+    /// </remarks>
+    /// <returns>Dummy json</returns>
+    // /// <response code="200">Returned on request with valid credentials</response>
+    // /// <response code="401">Returned on request with invalid JWT</response>
+    [HttpGet]
+    [EnableCors]
+    [ProducesResponseType(200)]
+    // [ProducesResponseType(401)]
+    public IActionResult GetStats()
+    {
+        return Ok(new
+        {
+            version = new
+            {
+                lastCommit    = ThisAssembly.Git.Commit,
+                lastUpdatedAt = ThisAssembly.Git.CommitDate,
+                currentBranch = ThisAssembly.Git.Branch
+            },
+            endpointDiscovery = "/swagger/v1/swagger.json",
+            sitewideStats = new
+            {
+                numberOfDraws = _db.Statistics.First(s => s.Label == "number_of_draws").IValue
+            }
+        });
+    }
+
+}