get cards - endpoint pagination

Author: mx2s

App/AL/Controller/Card/CardController.cs

@@ -7,6 +7,7 @@
 using Micron.DL.Module.Controller;
 using Micron.DL.Module.Http;
 using Micron.DL.Module.Validator;
+using Newtonsoft.Json.Linq;
 
 namespace App.AL.Controller.Card {
     public sealed class CardController : BaseController {
@@ -33,8 +34,21 @@ public CardController() {
                 if (errors.Count > 0) return HttpResponse.Errors(errors);
 
                 var column = BoardColumnRepository.FindByGuid(GetRequestStr("column_guid"));
-                
-                return HttpResponse.Item("cards", new CardTransformer().Many(column.Cards()));
+
+                var page = GetRequestInt("page");
+                page = page > 0 ? page : 1;
+
+                var pageSize = 25;
+
+                return HttpResponse.Data(new JObject() {
+                    ["data"] = new JObject() {
+                        ["cards"] = new CardTransformer().Many(column.Cards(page, pageSize))
+                    },
+                    ["meta"] = new JObject() {
+                        ["pages_count"] = (column.CardsCount() / pageSize)+1,
+                        ["current_page"] = page
+                    }
+                });
             });
         }
     }

App/DL/Model/BoardColumn/BoardColumn.cs

@@ -56,16 +56,19 @@ public BoardColumn Save() {
 
         public BoardColumn Refresh() => Find(id);
 
-        public static int Count() => ExecuteScalarInt("SELECT count(*) FROM board_columns WHERE id = @id");
+        public static int Count() => ExecuteScalarInt("SELECT COUNT(*) FROM board_columns WHERE id = @id");
 
         public void Delete() => ExecuteScalarInt("DELETE FROM board_columns WHERE id = @id", new {id});
 
         public BoardModel Board() => BoardModel.Find(board_id);
 
-        public Card.Card[] Cards(int limit = 25)
+        public Card.Card[] Cards(int page = 1, int limit = 25)
             => Connection().Query<Card.Card>(
-                @"SELECT * FROM cards WHERE column_id = @column_id LIMIT @limit",
-                new {column_id = id, limit}
+                @"SELECT * FROM cards WHERE column_id = @column_id OFFSET @offset LIMIT @limit",
+                new {column_id = id, offset = ((page - 1) * limit), limit}
             ).ToArray();
+        
+        public int CardsCount()
+            => ExecuteScalarInt("SELECT COUNT(*) FROM cards WHERE column_id = @id", new { id });
     }
 }