refactor: lottery-with-limits-of-wins-http-type

craft-functions/lottery-with-limits-of-wins/README.md

@@ -15,3 +15,7 @@ KARTE の接客サービスと Craft を組み合わせて、上限設定付き
 ## category
 
 Craft Functions,Craft KVS,Craft Counter,KARTEイベント,CRAFT_ENDPOINT
+
+## functionType
+
+http

craft-functions/lottery-with-limits-of-wins/index.js

@@ -224,50 +224,45 @@ async function determinePrize(rand, probabilities) {
  * name or an error message.
  */
 export default async function (data, { MODULES }) {
+ const { req, res } = data;
  const { kvs, counter, initLogger, secret } = MODULES;
  const logger = initLogger({ logLevel: LOG_LEVEL });
  const secrets = await secret.get({ keys: [KARTE_APP_TOKEN_SECRET] });
  const token = secrets[KARTE_APP_TOKEN_SECRET];
 
+ res.setHeader('Access-Control-Allow-Origin', '*');
+ res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
+ res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');
+
+ if (req.method === 'OPTIONS') {
+ res.status(204).end();
+ return;
+ }
+
  try {
  logger.debug('Starting the lucky draw process.');
 
  if (PRIZES.length !== LIMITS.length) {
  const errorMessage = 'PRIZES and LIMITS must have the same length.';
  logger.error(errorMessage);
- return { craft_status_code: 500, error: errorMessage };
+ res.status(500).json({ error: errorMessage });
+ return;
  }
 
- if (data.kind !== 'karte/track-hook') {
- logger.error('Invalid request type. Expected "karte/track-hook".');
- return { craft_status_code: 400, error: 'Invalid request type' };
- }
-
- const { jsonPayload } = data;
- if (!jsonPayload?.data?.hook_data?.body) {
- logger.error('Invalid payload: Missing required data');
- return { craft_status_code: 400, error: 'Invalid payload' };
- }
-
- const {
- body: { lotteryKey, userId },
- } = jsonPayload.data.hook_data;
+ const { body } = req;
+ const { lotteryKey, userId } = body;
  if (!lotteryKey || !userId) {
  const missingKeyError = `Missing ${!lotteryKey ? 'lotteryKey' : 'userId'}`;
  logger.warn(missingKeyError);
- return {
- craft_status_code: 400,
- error: `${missingKeyError} is required.`,
- };
+ res.status(400).json({ error: `${missingKeyError} is required.` });
+ return;
  }
 
  const hasParticipated = await hasParticipatedRecently({ lotteryKey, userId, kvs, logger });
  if (hasParticipated) {
  logger.debug(`User ${userId} has participated recently.`);
- return {
- craft_status_code: 400,
- error: 'User has participated recently.',
- };
+ res.status(400).json({ error: 'User has participated recently.' });
+ return;
  }
 
  const rand = Math.random();
@@ -289,7 +284,8 @@ export default async function (data, { MODULES }) {
  });
  await setParticipationTime({ lotteryKey, userId, kvs, logger });
  logger.debug(`User ${userId} did not win any prize.`);
- return { craft_status_code: 200, result: 'No prize won' };
+ res.status(200).json({ result: 'No prize won' });
+ return;
  }
 
  const { prize, index } = prizeResult;
@@ -310,15 +306,16 @@ export default async function (data, { MODULES }) {
  logger,
  });
  logger.debug(`Prize ${prize} has reached its limit.`);
- return { craft_status_code: 200, result: 'No prize won' };
+ res.status(200).json({ result: 'No prize won' });
+ return;
  }
 
  await sendKarteEvent({ userId, lotteryKey, prize, message: '', token, logger });
  await setParticipationTime({ lotteryKey, userId, kvs, logger });
  logger.debug(`User ${userId} won prize: ${prize}. ${LIMITS[index] - count} left.`);
- return { craft_status_code: 200, result: prize };
+ res.status(200).json({ result: prize });
  } catch (error) {
  logger.error(`Error in the lucky draw process: ${error.toString()}`);
- return { craft_status_code: 500, error: `Internal Server Error: ${error.message}` };
+ res.status(500).json({ error: `Internal Server Error: ${error.message}` });
  }
-}
+}