Added cards api endpoint

ref #14

src/controllers/PdfController.ts

@@ -1,6 +1,7 @@
 import { Body, JsonController, Post, QueryParam, Res } from 'routing-controllers';
 import { OpenAPI } from 'routing-controllers-openapi';
 import { Runner } from '../models/Runner';
+import { RunnerCard } from '../models/RunnerCard';
 import { PdfCreator } from '../PdfCreator';
 
 /**
@@ -27,4 +28,19 @@ export class PdfController {
         res.setHeader('content-type', 'application/pdf');
         return contracts;
     }
+
+    @Post('/cards')
+    @OpenAPI({ description: "Generate runner card pdfs from runner card objects.<br>You can choose your prefered locale by passing the 'locale' query-param." })
+    async generateCards(@Body({ validate: true, options: { limit: "500mb" } }) cards: RunnerCard | RunnerCard[], @Res() res: any, @QueryParam("locale") locale: string) {
+        if (!this.initialized) {
+            await this.pdf.init();
+            this.initialized = true;
+        }
+        if (!Array.isArray(cards)) {
+            cards = [cards];
+        }
+        const contracts = await this.pdf.generateRunnerCards(cards, locale);
+        res.setHeader('content-type', 'application/pdf');
+        return contracts;
+    }
 }