BUR-58 Добавлена поддержка работы с камерой

Reviewed-on: #2

docker-compose.dev.yml

@@ -0,0 +1,19 @@
+services:
+  drill-cloud-v3-dev:
+    container_name: container-drill-cloud-v3${branch:+-${branch}}
+    build: .
+    restart: unless-stopped
+    environment:
+      NODE_ENV: production
+      PORT: ${PORT}
+      DATABASE_URL: ${DATABASE_URL}
+      INGEST_API_KEY: ${INGEST_API_KEY}
+      CURRENT_EVENTS_POLL_MS: ${CURRENT_EVENTS_POLL_MS}
+    expose:
+      - "3101"
+    networks:
+      - proxy
+
+networks:
+  proxy:
+    external: true

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   drill-cloud-v3:
-    container_name: drill-cloud-v3${branch:+-${branch}}
+    container_name: container-drill-cloud-v3${branch:+-${branch}}
     build: .
     restart: unless-stopped
     environment:

migrations/0001_camera.sql

@@ -0,0 +1,8 @@
+CREATE TABLE IF NOT EXISTS camera (
+  edge varchar NOT NULL,
+  protocol varchar NOT NULL,
+  source varchar NOT NULL,
+  PRIMARY KEY (edge, protocol, source)
+);
+
+CREATE INDEX IF NOT EXISTS camera_edge_idx ON camera (edge);

src/app.module.ts

@@ -1,4 +1,5 @@
 import { Module } from '@nestjs/common';
+import { CameraModule } from './camera/camera.module';
 import { CurrentModule } from './current/current.module';
 import { DbModule } from './db/db.module';
 import { EdgeModule } from './edge/edge.module';
@@ -10,6 +11,7 @@ import { TagModule } from './tag/tag.module';
 @Module({
   imports: [
     DbModule,
+    CameraModule,
     IngestModule,
     EdgeModule,
     CurrentModule,

src/camera/camera.controller.ts

@@ -0,0 +1,16 @@
+import { Controller, Get, Header, Query } from '@nestjs/common';
+import { CameraService } from './camera.service';
+import { GetCamerasDto } from './dto/get-cameras.dto';
+
+@Controller('camera')
+export class CameraController {
+  constructor(private readonly camera: CameraService) {}
+
+  @Get()
+  @Header('Cache-Control', 'no-store')
+  @Header('Pragma', 'no-cache')
+  @Header('Expires', '0')
+  findByEdge(@Query() query: GetCamerasDto) {
+    return this.camera.findByEdge(query);
+  }
+}

src/camera/camera.mapper.ts

@@ -0,0 +1,12 @@
+import { CameraResponseDto } from './dto/camera-response.dto';
+import { CameraRow } from './camera.types';
+
+export function createCameraResponse(edge: string, rows: CameraRow[]): CameraResponseDto {
+  return {
+    edge,
+    items: rows.map((row) => ({
+      protocol: row.protocol,
+      source: row.source,
+    })),
+  };
+}

src/camera/camera.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { CameraController } from './camera.controller';
+import { CameraRepository } from './camera.repository';
+import { CameraService } from './camera.service';
+
+@Module({
+  controllers: [CameraController],
+  providers: [CameraService, CameraRepository],
+})
+export class CameraModule {}

src/camera/camera.repository.ts

@@ -0,0 +1,22 @@
+import { Injectable } from '@nestjs/common';
+import { DbService } from '../db/db.service';
+import { CameraRow } from './camera.types';
+
+@Injectable()
+export class CameraRepository {
+  constructor(private readonly db: DbService) {}
+
+  async findByEdge(edge: string): Promise<CameraRow[]> {
+    const result = await this.db.query<CameraRow>(
+      `
+        SELECT protocol, source
+        FROM camera
+        WHERE edge = $1
+        ORDER BY source ASC
+      `,
+      [edge],
+    );
+
+    return result.rows;
+  }
+}

src/camera/camera.service.ts

@@ -0,0 +1,15 @@
+import { Injectable } from '@nestjs/common';
+import { CameraResponseDto } from './dto/camera-response.dto';
+import { GetCamerasDto } from './dto/get-cameras.dto';
+import { createCameraResponse } from './camera.mapper';
+import { CameraRepository } from './camera.repository';
+
+@Injectable()
+export class CameraService {
+  constructor(private readonly repository: CameraRepository) {}
+
+  async findByEdge(query: GetCamerasDto): Promise<CameraResponseDto> {
+    const rows = await this.repository.findByEdge(query.edge);
+    return createCameraResponse(query.edge, rows);
+  }
+}

src/camera/camera.types.ts

@@ -0,0 +1,4 @@
+export type CameraRow = {
+  protocol: string;
+  source: string;
+};

src/camera/dto/camera-response.dto.ts

@@ -0,0 +1,9 @@
+export type CameraItemDto = {
+  protocol: string;
+  source: string;
+};
+
+export type CameraResponseDto = {
+  edge: string;
+  items: CameraItemDto[];
+};

src/camera/dto/get-cameras.dto.ts

@@ -0,0 +1,7 @@
+import { IsNotEmpty, IsString } from 'class-validator';
+
+export class GetCamerasDto {
+  @IsNotEmpty()
+  @IsString()
+  edge!: string;
+}

src/ingest/ingest.controller.ts

@@ -9,15 +9,16 @@ import { IngestService } from './ingest.service';
 export class IngestController {
   constructor(private readonly ingest: IngestService) {}
 
-  /** Принимает одну сырую точку и сохраняет ее как запись истории/current. */
   @Post()
   ingestPoint(@Body() point: IngestPointDto) {
     return this.ingest.ingestPoint(point);
   }
 
-  /** Принимает компактное тело запроса по edge и сохраняет каждое значение построчно. */
   @Post(':edge')
-  ingestEdgeValues(@Param('edge') edge: string, @Body() body: IngestEdgeValuesDto) {
+  ingestEdgeValues(
+    @Param('edge') edge: string,
+    @Body() body: IngestEdgeValuesDto,
+  ) {
     const points = Object.entries(body.values).map(([tag, value]) => ({
       edge,
       tag,

src/main.ts

@@ -3,7 +3,6 @@ import { NestFactory } from '@nestjs/core';
 import compression from 'compression';
 import { AppModule } from './app.module';
 
-/** Запускает HTTP API со сжатием и глобальной валидацией DTO. */
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
   app.use(compression());