Initial import

backend/src/global-words/global-words.controller.ts

@@ -0,0 +1,44 @@
+import {
+  Controller,
+  Get,
+  Param,
+  Post,
+  Res,
+  StreamableFile,
+  HttpStatus,
+  HttpCode,
+} from '@nestjs/common';
+import type { Response } from 'express';
+import { createReadStream } from 'node:fs';
+import { GlobalWordsService } from './global-words.service';
+
+@Controller('global-words')
+export class GlobalWordsController {
+  constructor(private readonly globalWordsService: GlobalWordsService) {}
+
+  @Get()
+  async getWords() {
+    return this.globalWordsService.listWords();
+  }
+
+  @Post('prefetch')
+  @HttpCode(HttpStatus.ACCEPTED)
+  async prefetchAll() {
+    this.globalWordsService.prefetchAll();
+    return { status: 'scheduled' };
+  }
+
+  @Post(':slug/generate')
+  async generateForWord(@Param('slug') slug: string) {
+    await this.globalWordsService.ensureImage(slug);
+    return { slug, status: 'ready' };
+  }
+
+  @Get(':slug/image')
+  async getImage(@Param('slug') slug: string, @Res({ passthrough: true }) res: Response) {
+    const asset = await this.globalWordsService.ensureImage(slug);
+    res.setHeader('Content-Type', asset.mimeType);
+    const file = createReadStream(asset.path);
+    return new StreamableFile(file);
+  }
+}