feat: add code vault api (#49)

Author: MarceloAlves

get/src/codes.ts

@@ -1,7 +1,9 @@
 import { getOrcicornShiftCodes } from './source/orcicorn';
 import { getFextralifeShiftCodes } from './source/fextralife';
+import { getCodeVaultShiftCodes } from './source/codevault';
 
 export async function * getShiftCodes() {
   yield * getFextralifeShiftCodes();
   yield * getOrcicornShiftCodes();
+  yield * getCodeVaultShiftCodes();
 }

get/src/source/codevault.ts

@@ -0,0 +1,26 @@
+import { ShiftCode } from '../types';
+
+import { parseDate } from '../utils/parseDate';
+
+const BL4_SHIFT_CODES_URL = 'https://code-vault.celo.workers.dev/api/codes';
+
+export async function* getCodeVaultBL4ShiftCodes(): AsyncGenerator<ShiftCode> {
+  const response = await fetch(BL4_SHIFT_CODES_URL);
+  const json = (await response.json()) as {
+    data: { code: string; created_at: string }[];
+  };
+
+  for (const entry of json.data) {
+    yield {
+      code: entry.code,
+      game: 'Borderlands 4',
+      platform: 'Universal',
+      reward: 'Unknown',
+      created: parseDate(entry.created_at),
+    };
+  }
+}
+
+export async function* getCodeVaultShiftCodes(): AsyncGenerator<ShiftCode> {
+  yield* getCodeVaultBL4ShiftCodes();
+}

get/src/source/orcicorn.ts

@@ -3,15 +3,10 @@ const Pick = require('stream-json/filters/Pick');
 const {streamValues} = require('stream-json/streamers/StreamValues');
 
 import { ShiftCode } from '../types';
+import { parseDate } from '../utils/parseDate';
 
 const SHIFT_CODES_URL = 'https://shift.orcicorn.com/shift-code/index.json';
 
-function parseDate(str: string) {
-  const date = new Date(str);
-  if (isNaN(date.valueOf())) return undefined;
-  return date;
-}
-
 export async function * getOrcicornShiftCodes(): AsyncGenerator<ShiftCode> {
   const response = await fetch(SHIFT_CODES_URL);
 

get/src/utils/parseDate.ts

@@ -0,0 +1,5 @@
+export function parseDate(str: string) {
+  const date = new Date(str);
+  if (isNaN(date.valueOf())) return undefined;
+  return date;
+}