improvement for the backend api

lib/mocks/data/external-channels.ts

@@ -1,4 +1,4 @@
-import { ExternalChannel, ExternalChannelDetail } from "@/lib/types/api";
+import { ExternalChannel } from "@/lib/types/api";
 
 // ============================================================================
 // Mock External Channels Data
@@ -6,90 +6,43 @@ import { ExternalChannel, ExternalChannelDetail } from "@/lib/types/api";
 
 export const mockExternalChannels: ExternalChannel[] = [
   {
-    id: "ec1",
+    id: "550e8400-e29b-41d4-a716-446655440020",
     telegram_id: -1001111111111,
     title: "Канал о Маркетинге",
     username: "marketing_pro",
-    link: "https://t.me/marketing_pro",
     subscribers_count: 50000,
     description: "Лучшие практики маркетинга",
-    created_at: "2024-01-05T10:00:00.000Z",
-    updated_at: "2024-01-05T10:00:00.000Z",
-    target_channels: ["tc1", "tc2"],
-    total_purchases: 5,
-    avg_cpf: 42.5,
-    avg_cpm: 850.0,
   },
   {
-    id: "ec2",
+    id: "550e8400-e29b-41d4-a716-446655440021",
     telegram_id: -1002222222222,
     title: "Бизнес и Стартапы",
     username: "business_startups",
-    link: "https://t.me/business_startups",
     subscribers_count: 120000,
     description: "Новости мира бизнеса",
-    created_at: "2024-01-08T11:00:00.000Z",
-    updated_at: "2024-01-08T11:00:00.000Z",
-    target_channels: ["tc1"],
-    total_purchases: 8,
-    avg_cpf: 55.8,
-    avg_cpm: 1200.0,
   },
   {
-    id: "ec3",
+    id: "550e8400-e29b-41d4-a716-446655440022",
     telegram_id: -1003333333333,
     title: "IT и Технологии",
     username: "it_tech_news",
-    link: "https://t.me/it_tech_news",
     subscribers_count: 85000,
     description: "Все о новых технологиях",
-    created_at: "2024-01-12T09:00:00.000Z",
-    updated_at: "2024-01-12T09:00:00.000Z",
-    target_channels: ["tc1", "tc2"],
-    total_purchases: 3,
-    avg_cpf: 38.2,
-    avg_cpm: 750.0,
   },
   {
-    id: "ec4",
-    telegram_id: null,
+    id: "550e8400-e29b-41d4-a716-446655440023",
+    telegram_id: -1004444444444,
     title: "Крипто Инвестиции",
     username: "crypto_invest",
-    link: "https://t.me/crypto_invest",
     subscribers_count: 200000,
     description: null,
-    created_at: "2024-02-01T10:00:00.000Z",
-    updated_at: "2024-02-01T10:00:00.000Z",
-    target_channels: ["tc2"],
-    total_purchases: 2,
-    avg_cpf: 68.5,
-    avg_cpm: 1500.0,
   },
   {
-    id: "ec5",
+    id: "550e8400-e29b-41d4-a716-446655440024",
     telegram_id: -1005555555555,
     title: "Продажи и Переговоры",
     username: "sales_expert",
-    link: "https://t.me/sales_expert",
     subscribers_count: 35000,
     description: "Экспертиза в продажах",
-    created_at: "2024-02-10T14:00:00.000Z",
-    updated_at: "2024-02-10T14:00:00.000Z",
-    target_channels: ["tc1"],
-    total_purchases: 4,
-    avg_cpf: 45.0,
-    avg_cpm: 900.0,
   },
 ];
-
-export const getMockExternalChannelDetail = (
-  id: string
-): ExternalChannelDetail | null => {
-  const channel = mockExternalChannels.find((c) => c.id === id);
-  if (!channel) return null;
-
-  return {
-    ...channel,
-    purchases: [], // Will be populated from purchases mock
-  };
-};