Merge pull request 'Configureable contracts amount feature/35-contracts_per_runner' (#37) from feature/35-contracts_per_runner into dev

Reviewed-on: #37

README.md

@@ -37,6 +37,7 @@ The basic generation mechanism makes the templates and routes interchangeable (i
 | SPONOR_LOGOS | Array<String> | Empty png | The sponsor images you want to loop through. You can provide them via http url, local file or base64-encoded image.
 | API_KEY | String(min length: 64) | Random generated string | The api key you want to use for auth (query-param `key`), has to be at least 64 chars long.
 | DISCLAIMER_TEXT | String | N/A | A disclaimer that will get displayed on the bottom of each sponsoring contract. R/N You can only provide the disclaimer for one language.
+| CONTRACTS_PER_RUNNER | Number | 1 | The amount of contracts that get created per runner (per request).
 
 ## Templates
 > The document server uses html templates to generate various pdf documents.

src/PdfCreator.ts

@@ -22,6 +22,7 @@ export class PdfCreator {
     private templateDir = path.join(__dirname, '/templates');
     private browser;
     private static interpolations = { eventname: config.eventname, sponsoring_receipt_minimum_amount: config.sponsoring_receipt_minimum_amount, currency_symbol: config.currency_symbol }
+    private static contractsPerRunner = config.contracts_per_runner;
 
     /**
      * Main constructor.
@@ -108,6 +109,11 @@ export class PdfCreator {
         if (runners.length == 1 && Object.keys(runners[0]).length == 0) {
             runners[0] = this.generateEmptyRunner();
         }
+        for (var i = 1; i < PdfCreator.contractsPerRunner; i++) {
+            runners = runners.reduce(function (res, current, index, array) {
+                return res.concat([current, current]);
+            }, []);
+        }
         if (runners.length > 50) {
             let pdf_promises = new Array<Promise<Buffer>>();
             let i, j;

src/config.ts

@@ -13,11 +13,15 @@ export const config = {
     sponor_logos: getSponsorLogos(),
     api_key: getApiKey(),
     disclaimer_text: process.env.DISCLAIMER_TEXT || "",
+    contracts_per_runner: process.env.CONTRACTS_PER_RUNNER || 1,
 }
 let errors = 0
 if (typeof config.internal_port !== "number") {
     errors++
 }
+if (typeof config.contracts_per_runner !== "number") {
+    errors++
+}
 if (typeof config.development !== "boolean") {
     errors++
 }