Add notice system

ReplayBrowser/Controllers/NoticeController.cs

@@ -0,0 +1,72 @@
+using Microsoft.AspNetCore.Mvc;
+using ReplayBrowser.Data;
+using ReplayBrowser.Data.Models;
+using ReplayBrowser.Helpers;
+using ReplayBrowser.Services;
+
+namespace ReplayBrowser.Controllers;
+
+/// <summary>
+/// The controller used for managing notices. Pretty much everything here is admin-only.
+/// </summary>
+[Controller]
+[Route("api/Notices/")]
+public class NoticeController : Controller
+{
+    private readonly NoticeHelper _noticeHelper;
+    private readonly AccountService _accountService;
+
+    public NoticeController(NoticeHelper noticeHelper, AccountService accountService)
+    {
+        _noticeHelper = noticeHelper;
+        _accountService = accountService;
+    }
+
+    [HttpDelete]
+    [Route("DeleteNotice/{id}")]
+    public Task<IActionResult> DeleteNotice(int id)
+    {
+        if (!_accountService.IsAdmin(User))
+        {
+            return Task.FromResult<IActionResult>(Unauthorized());
+        }
+
+        _noticeHelper.DeleteNotice(id);
+
+        return Task.FromResult<IActionResult>(Ok());
+    }
+
+    [HttpPatch]
+    [Route("UpdateNotice")]
+    public Task<IActionResult> UpdateNotice([FromBody] Notice notice)
+    {
+        if (!_accountService.IsAdmin(User))
+        {
+            return Task.FromResult<IActionResult>(Unauthorized());
+        }
+
+        notice.StartDate = notice.StartDate.ToUniversalTime();
+        notice.EndDate = notice.EndDate.ToUniversalTime();
+
+        _noticeHelper.UpdateNotice((int)notice.Id!, notice.Title, notice.Message, notice.StartDate, notice.EndDate);
+
+        return Task.FromResult<IActionResult>(Ok());
+    }
+
+    [HttpPost]
+    [Route("CreateNotice")]
+    public Task<IActionResult> CreateNotice([FromBody] Notice notice)
+    {
+        if (!_accountService.IsAdmin(User))
+        {
+            return Task.FromResult<IActionResult>(Unauthorized());
+        }
+
+        notice.StartDate = notice.StartDate.ToUniversalTime();
+        notice.EndDate = notice.EndDate.ToUniversalTime();
+
+        _noticeHelper.CreateNotice(notice.Title, notice.Message, notice.StartDate, notice.EndDate);
+
+        return Task.FromResult<IActionResult>(Ok());
+    }
+}