added get stat api

src/form/form.controller.ts

@@ -31,11 +31,18 @@ export class FormController {
     return this.formService.findAll(query);
   }
 
+  @Get('stats')
+  @ApiOperation({ summary: 'Get Stats' })
+  async getStats() {
+    return await this.formService.getStats();
+  }
+
   @Get(':formId')
   @ApiOperation({ summary: 'Find a form' })
   async find(@Param('formId') formId: string) {
     return await this.formService.find(formId);
   }
+
   @Get(':formId/interface')
   @ApiOperation({ summary: 'Get interface for the form provided by llm' })
   async getInterface(@Param('formId') formId: string) {

src/form/form.service.ts

@@ -93,6 +93,36 @@ export class FormService {
     return form;
   }
 
+  async getStats() {
+    const [totalForms, totalFields, fieldTypeBreakdown, formStatusBreakdown] =
+      await Promise.all([
+        this.formModel.countDocuments(),
+        this.formModel.aggregate([
+          { $project: { fieldCount: { $size: '$fields' } } },
+          { $group: { _id: null, total: { $sum: '$fieldCount' } } },
+        ]),
+        this.formModel.aggregate([
+          { $unwind: '$fields' },
+          { $group: { _id: '$fields.keyType', count: { $sum: 1 } } },
+        ]),
+        this.formModel.aggregate([
+          {
+            $group: {
+              _id: {
+                $cond: {
+                  if: { $ifNull: ['$deletedAt', false] },
+                  then: 'deleted',
+                  else: 'active',
+                },
+              },
+              count: { $sum: 1 },
+            },
+          },
+        ]),
+      ]);
+    return { totalForms, totalFields, fieldTypeBreakdown, formStatusBreakdown };
+  }
+
   async findInterface(formId: string): Promise<string> {
     const form = await this.formModel
       .findOne({ id: formId, deletedAt: null })