setup project nest js with init icd codes

src/icd/icd.controller.ts

@@ -0,0 +1,80 @@
+import { Controller, Get, Post, Query, Logger } from '@nestjs/common';
+import { IcdService } from './icd.service';
+import { SearchIcdDto } from './dto/search-icd.dto';
+
+@Controller('icd')
+export class IcdController {
+  private readonly logger = new Logger(IcdController.name);
+
+  constructor(private readonly icdService: IcdService) {}
+
+  @Post('import')
+  async importData() {
+    try {
+      this.logger.log('Starting ICD data import...');
+      const result = await this.icdService.importIcdData();
+      return {
+        success: true,
+        message: 'ICD data imported successfully',
+        data: result,
+      };
+    } catch (error) {
+      this.logger.error('Error importing ICD data:', error);
+      return {
+        success: false,
+        message: 'Failed to import ICD data',
+        error: error.message,
+      };
+    }
+  }
+
+  @Get('search')
+  async searchIcdCodes(
+    @Query('category') category?: string,
+    @Query('search') search?: string,
+    @Query('page') page?: string,
+    @Query('limit') limit?: string,
+  ) {
+    try {
+      const pageNum = page ? parseInt(page, 10) : 1;
+      const limitNum = limit ? parseInt(limit, 10) : 10;
+
+      const result = await this.icdService.findIcdCodes(
+        category,
+        search,
+        pageNum,
+        limitNum,
+      );
+
+      return {
+        success: true,
+        ...result,
+      };
+    } catch (error) {
+      this.logger.error('Error searching ICD codes:', error);
+      return {
+        success: false,
+        message: 'Failed to search ICD codes',
+        error: error.message,
+      };
+    }
+  }
+
+  @Get('statistics')
+  async getStatistics() {
+    try {
+      const stats = await this.icdService.getStatistics();
+      return {
+        success: true,
+        data: stats,
+      };
+    } catch (error) {
+      this.logger.error('Error getting statistics:', error);
+      return {
+        success: false,
+        message: 'Failed to get statistics',
+        error: error.message,
+      };
+    }
+  }
+}