Added option to generate empty sponsoring contracts

ref #5

src/PdfCreator.ts

@@ -8,6 +8,7 @@ import mime from "mime-types";
 import path from 'path';
 import puppeteer from "puppeteer";
 import { Runner } from './models/Runner';
+import { RunnerGroup } from './models/RunnerGroup';
 /**
  * This class is responsible for all things pdf creation.
  * This uses the html templates from src/templates.
@@ -53,6 +54,9 @@ export class PdfCreator {
      * @param locale The locale used for the contracts (default:en)
      */
     public async generateSponsoringContract(runners: Runner[], locale: string = "en"): Promise<any> {
+        if (runners.length == 1 && Object.keys(runners[0]).length == 0) {
+            runners[0] = this.generateEmptyRunner();
+        }
         await i18next.changeLanguage(locale);
         const template_source = fs.readFileSync(`${this.templateDir}/sponsoring_contract.html`, 'utf8');
         const template = Handlebars.compile(template_source);
@@ -107,4 +111,21 @@ export class PdfCreator {
         await page.close();
         return pdf;
     }
+
+    /**
+     * Generates a new dummy runner with halfspaces for all strings.
+     * Can be used to generate empty sponsoring contracts.
+     * @returns A new runner object that apears to be empty.
+     */
+    private generateEmptyRunner(): Runner {
+        let group = new RunnerGroup();
+        group.id = 0;
+        group.name = " ";
+        let runner = new Runner();
+        runner.id = 0;
+        runner.firstname = " ";
+        runner.lastname = " ";
+        runner.group = group;
+        return runner;
+    }
 }