Add project data

Tabletop.Core/Services/PermissionService.cs

@@ -0,0 +1,84 @@
+using DbController;
+using Tabletop.Core.Models;
+
+namespace Tabletop.Core.Services
+{
+    public class PermissionService
+    {
+        public static async Task<List<Permission>> GetUserPermissionsAsync(int userId, IDbController dbController, CancellationToken cancellationToken = default)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+            string sql = @"SELECT p.*
+                FROM UserPermissions up
+                INNER JOIN Permissions p ON (p.PermissionId = up.PermissionId)
+                WHERE UserId = @USER_ID";
+
+            var list = await dbController.SelectDataAsync<Permission>(sql, new
+            {
+                USER_ID = userId
+            }, cancellationToken);
+
+            await LoadPermissionDescriptionsAsync(list, dbController, cancellationToken);
+
+            return list;
+        }
+
+        public async Task UpdateUserPermissionsAsync(User user, IDbController dbController, CancellationToken cancellationToken = default)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+            // Step 1: Delete all permissions for the user.
+            string sql = "DELETE FROM UserPermissions WHERE UserId = @USER_ID";
+            await dbController.QueryAsync(sql, new
+            {
+                USER_ID = user.UserId
+            }, cancellationToken);
+
+            // Step 2: Add all permissions from the object back.
+            foreach (var permission in user.Permissions)
+            {
+                sql = @"INSERT INTO UserPermissions
+                    (
+                    UserId,
+                    PermissionId
+                    )
+                    VALUES
+                    (
+                    @USER_ID,
+                    @PERMISSION_ID
+                    )";
+
+                await dbController.QueryAsync(sql, new
+                {
+                    USER_ID = user.UserId,
+                    PERMISSION_ID = permission.PermissionId
+                }, cancellationToken);
+
+            }
+        }
+
+        public static async Task<List<Permission>> GetAllAsync(IDbController dbController)
+        {
+            string sql = "SELECT * FROM Permissions";
+
+            var list = await dbController.SelectDataAsync<Permission>(sql);
+            await LoadPermissionDescriptionsAsync(list, dbController);
+            return list;
+        }
+
+        private static async Task LoadPermissionDescriptionsAsync(List<Permission> list, IDbController dbController, CancellationToken cancellationToken = default)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+            if (list.Count != 0)
+            {
+                IEnumerable<int> permissionIds = list.Select(x => x.PermissionId);
+                string sql = $"SELECT * FROM PermissionDescription WHERE PermissionId IN ({string.Join(",", permissionIds)})";
+                List<PermissionDescription> descriptions = await dbController.SelectDataAsync<PermissionDescription>(sql, null, cancellationToken);
+
+                foreach (var permission in list)
+                {
+                    permission.Description = [.. descriptions.Where(x => x.PermissionId == permission.PermissionId)];
+                }
+            }
+        }
+    }
+}