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| 1 | +const Promise = require('bluebird'); |
| 2 | +const { LockAcquisitionError } = require('ioredis-lock'); |
| 3 | + |
| 4 | +const { getInternalData } = require('./userData'); |
| 5 | +const removeUser = require('./removeUser'); |
| 6 | + |
| 7 | +const { USERS_ACTIVATE, |
| 8 | + USERS_ACTIVATE_AUDIENCE, |
| 9 | +} = require('../constants'); |
| 10 | + |
| 11 | +const lockKey = `${USERS_ACTIVATE}:data-lock`; |
| 12 | + |
| 13 | +// Get user ids having score lt current time - interval |
| 14 | +async function getInactiveUsers(redis, interval) { |
| 15 | + const end = '+inf'; |
| 16 | + const start = Date.now() - (interval * 1000); |
| 17 | + return redis.zrangebyscore(USERS_ACTIVATE, start, end); |
| 18 | +} |
| 19 | + |
| 20 | +async function getAudience(redis, userId) { |
| 21 | + const audience = await redis.hget(USERS_ACTIVATE_AUDIENCE, userId); |
| 22 | + return audience; |
| 23 | +} |
| 24 | + |
| 25 | +async function deleteUser(userId, audience) { |
| 26 | + const { redis } = this; |
| 27 | + const context = { redis, audience }; |
| 28 | + |
| 29 | + const internal = await Promise |
| 30 | + .bind(context, userId) |
| 31 | + .then(getInternalData); |
| 32 | + |
| 33 | + const transaction = redis.multi(); |
| 34 | + |
| 35 | + removeUser(transaction, internal, audience); |
| 36 | + return transaction.exec(); |
| 37 | +} |
| 38 | + |
| 39 | +/** |
| 40 | + * Add user id to inacive users list |
| 41 | + * @param {ioredis} redis |
| 42 | + * @param {userId} userId |
| 43 | + * @param {audience[]} audience |
| 44 | + */ |
| 45 | +function addInactiveUser(redis, userId, audience) { |
| 46 | + const created = Date.now(); |
| 47 | + redis.zadd(USERS_ACTIVATE, userId, created); |
| 48 | + redis.hset(USERS_ACTIVATE_AUDIENCE, userId, JSON.stringify(audience)); |
| 49 | +} |
| 50 | + |
| 51 | +/** |
| 52 | + * Remove user id from inactive users list |
| 53 | + * @param {ioredis} redis |
| 54 | + * @param {userId} userId |
| 55 | + */ |
| 56 | +function removeInactiveUser(redis, userId) { |
| 57 | + redis.zrem(USERS_ACTIVATE, userId); |
| 58 | + redis.hdel(USERS_ACTIVATE_AUDIENCE, userId); |
| 59 | +} |
| 60 | + |
| 61 | +/** |
| 62 | + * Clean all users, who did't pass activation |
| 63 | + * Call in `service` context |
| 64 | + */ |
| 65 | +async function cleanInactiveUsers() { |
| 66 | + const { redis } = this; |
| 67 | + const { deleteInactiveAccounts } = this.config; |
| 68 | + |
| 69 | + const lock = await this.dlock.once(lockKey); |
| 70 | + const inactiveAccounts = await getInactiveUsers(redis, deleteInactiveAccounts); |
| 71 | + |
| 72 | + inactiveAccounts.forEach(async (acc) => { |
| 73 | + const accAudiences = getAudience(redis, acc); |
| 74 | + await deleteUser.bind(this, acc, accAudiences); |
| 75 | + await removeInactiveUser(redis, acc); |
| 76 | + }); |
| 77 | + |
| 78 | + lock.release().reflect(); |
| 79 | + return 1; |
| 80 | +} |
| 81 | + |
| 82 | +/** |
| 83 | + * Returns inactive users cleanup task |
| 84 | + * @param {Mfleet} service |
| 85 | + * @returns {NodeJS.Timeout} |
| 86 | + */ |
| 87 | +function getCleanerTask(service) { |
| 88 | + const { deleteInactiveAccountsInterval: interval } = service.config; |
| 89 | + |
| 90 | + return setInterval(() => { |
| 91 | + cleanInactiveUsers.call(service) |
| 92 | + .catch(LockAcquisitionError, () => {}) |
| 93 | + .catch((error) => { |
| 94 | + service.log.error('Inactive User Clean task error', error); |
| 95 | + }); |
| 96 | + }, interval * 1000); |
| 97 | +} |
| 98 | + |
| 99 | +/** |
| 100 | + * Stops currently running task |
| 101 | + * @param {NodeJS.Timeout} task |
| 102 | + */ |
| 103 | +function stopCleanerTask(task) { |
| 104 | + clearInterval(task); |
| 105 | +} |
| 106 | + |
| 107 | + |
| 108 | +module.exports = { |
| 109 | + addInactiveUser, |
| 110 | + removeInactiveUser, |
| 111 | + cleanInactiveUsers, |
| 112 | + getCleanerTask, |
| 113 | + stopCleanerTask, |
| 114 | +}; |
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