full project: admin panel, backend modules, docs

backend/src/locations/locations.controller.ts

@@ -1,6 +1,7 @@
-import { Controller, Get, Param } from '@nestjs/common';
-import { ApiTags } from '@nestjs/swagger';
+import { Controller, Get, Post, Param, Body, UseGuards } from '@nestjs/common';
+import { ApiTags, ApiBearerAuth } from '@nestjs/swagger';
 import { LocationsService } from './locations.service';
+import { JwtAuthGuard } from '../auth/jwt-auth.guard';
 
 @ApiTags('Locations')
 @Controller('locations')
@@ -21,4 +22,11 @@ export class LocationsController {
   getCities(@Param('regionId') id: string) {
     return this.locations.getCities(id);
   }
+
+  @Post('cities')
+  @UseGuards(JwtAuthGuard)
+  @ApiBearerAuth()
+  createCity(@Body() body: { region_id: string; name: string; latitude?: number; longitude?: number }) {
+    return this.locations.createCity(body);
+  }
 }

backend/src/locations/locations.service.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable, NotFoundException, ConflictException } from '@nestjs/common';
 import { PrismaService } from '../prisma/prisma.service';
 
 @Injectable()
@@ -16,4 +16,18 @@ export class LocationsService {
   getCities(regionId: string) {
     return this.prisma.cities.findMany({ where: { region_id: regionId } });
   }
+
+  async createCity(data: { region_id: string; name: string; latitude?: number; longitude?: number }) {
+    const region = await this.prisma.regions.findUnique({ where: { id: data.region_id } });
+    if (!region) throw new NotFoundException('Región no encontrada');
+
+    const existing = await this.prisma.cities.findFirst({
+      where: { region_id: data.region_id, name: data.name },
+    });
+    if (existing) throw new ConflictException('Ya existe esta ciudad en la región');
+
+    return this.prisma.cities.create({
+      data: { region_id: data.region_id, name: data.name, latitude: data.latitude, longitude: data.longitude },
+    });
+  }
 }