feat(#41): implement widget system backend (closes #41)

apps/api/src/widgets/widgets.controller.ts

@@ -1,21 +1,33 @@
 import {
   Controller,
   Get,
+  Post,
+  Body,
   Param,
   UseGuards,
+  Request,
 } from "@nestjs/common";
 import { WidgetsService } from "./widgets.service";
+import { WidgetDataService } from "./widget-data.service";
 import { AuthGuard } from "../auth/guards/auth.guard";
+import type {
+  StatCardQueryDto,
+  ChartQueryDto,
+  ListQueryDto,
+  CalendarPreviewQueryDto,
+} from "./dto";
 
 /**
- * Controller for widget definition endpoints
+ * Controller for widget definition and data endpoints
  * All endpoints require authentication
- * Provides read-only access to available widget definitions
  */
 @Controller("widgets")
 @UseGuards(AuthGuard)
 export class WidgetsController {
-  constructor(private readonly widgetsService: WidgetsService) {}
+  constructor(
+    private readonly widgetsService: WidgetsService,
+    private readonly widgetDataService: WidgetDataService
+  ) {}
 
   /**
    * GET /api/widgets
@@ -36,4 +48,47 @@ export class WidgetsController {
   async findByName(@Param("name") name: string) {
     return this.widgetsService.findByName(name);
   }
+
+  /**
+   * POST /api/widgets/data/stat-card
+   * Get stat card widget data
+   */
+  @Post("data/stat-card")
+  async getStatCardData(@Request() req: any, @Body() query: StatCardQueryDto) {
+    const workspaceId = req.user?.currentWorkspaceId || req.user?.workspaceId;
+    return this.widgetDataService.getStatCardData(workspaceId, query);
+  }
+
+  /**
+   * POST /api/widgets/data/chart
+   * Get chart widget data
+   */
+  @Post("data/chart")
+  async getChartData(@Request() req: any, @Body() query: ChartQueryDto) {
+    const workspaceId = req.user?.currentWorkspaceId || req.user?.workspaceId;
+    return this.widgetDataService.getChartData(workspaceId, query);
+  }
+
+  /**
+   * POST /api/widgets/data/list
+   * Get list widget data
+   */
+  @Post("data/list")
+  async getListData(@Request() req: any, @Body() query: ListQueryDto) {
+    const workspaceId = req.user?.currentWorkspaceId || req.user?.workspaceId;
+    return this.widgetDataService.getListData(workspaceId, query);
+  }
+
+  /**
+   * POST /api/widgets/data/calendar-preview
+   * Get calendar preview widget data
+   */
+  @Post("data/calendar-preview")
+  async getCalendarPreviewData(
+    @Request() req: any,
+    @Body() query: CalendarPreviewQueryDto
+  ) {
+    const workspaceId = req.user?.currentWorkspaceId || req.user?.workspaceId;
+    return this.widgetDataService.getCalendarPreviewData(workspaceId, query);
+  }
 }