import { createClient, RedisClient } from 'redis'
import { logger } from '../helpers/logger'
import { generateRandomString } from '../helpers/utils'
-import { CONFIG, USER_PASSWORD_RESET_LIFETIME, VIDEO_VIEW_LIFETIME } from '../initializers'
+import { CONFIG, USER_PASSWORD_RESET_LIFETIME, USER_EMAIL_VERIFY_LIFETIME, VIDEO_VIEW_LIFETIME } from '../initializers'
type CachedRoute = {
body: string,
)
}
+ /************* Forgot password *************/
+
async setResetPasswordVerificationString (userId: number) {
const generatedString = await generateRandomString(32)
return this.getValue(this.generateResetPasswordKey(userId))
}
- setView (ip: string, videoUUID: string) {
- return this.setValue(this.buildViewKey(ip, videoUUID), '1', VIDEO_VIEW_LIFETIME)
+ /************* Email verification *************/
+
+ async setVerifyEmailVerificationString (userId: number) {
+ const generatedString = await generateRandomString(32)
+
+ await this.setValue(this.generateVerifyEmailKey(userId), generatedString, USER_EMAIL_VERIFY_LIFETIME)
+
+ return generatedString
+ }
+
+ async getVerifyEmailLink (userId: number) {
+ return this.getValue(this.generateVerifyEmailKey(userId))
}
- async isViewExists (ip: string, videoUUID: string) {
- return this.exists(this.buildViewKey(ip, videoUUID))
+ /************* Views per IP *************/
+
+ setIPVideoView (ip: string, videoUUID: string) {
+ return this.setValue(this.generateViewKey(ip, videoUUID), '1', VIDEO_VIEW_LIFETIME)
}
+ async isVideoIPViewExists (ip: string, videoUUID: string) {
+ return this.exists(this.generateViewKey(ip, videoUUID))
+ }
+
+ /************* API cache *************/
+
async getCachedRoute (req: express.Request) {
- const cached = await this.getObject(this.buildCachedRouteKey(req))
+ const cached = await this.getObject(this.generateCachedRouteKey(req))
return cached as CachedRoute
}
(statusCode) ? { statusCode: statusCode.toString() } : null
)
- return this.setObject(this.buildCachedRouteKey(req), cached, lifetime)
+ return this.setObject(this.generateCachedRouteKey(req), cached, lifetime)
}
- generateResetPasswordKey (userId: number) {
- return 'reset-password-' + userId
+ /************* Video views *************/
+
+ addVideoView (videoId: number) {
+ const keyIncr = this.generateVideoViewKey(videoId)
+ const keySet = this.generateVideosViewKey()
+
+ return Promise.all([
+ this.addToSet(keySet, videoId.toString()),
+ this.increment(keyIncr)
+ ])
}
- buildViewKey (ip: string, videoUUID: string) {
- return videoUUID + '-' + ip
+ async getVideoViews (videoId: number, hour: number) {
+ const key = this.generateVideoViewKey(videoId, hour)
+
+ const valueString = await this.getValue(key)
+ return parseInt(valueString, 10)
+ }
+
+ async getVideosIdViewed (hour: number) {
+ const key = this.generateVideosViewKey(hour)
+
+ const stringIds = await this.getSet(key)
+ return stringIds.map(s => parseInt(s, 10))
}
- buildCachedRouteKey (req: express.Request) {
+ deleteVideoViews (videoId: number, hour: number) {
+ const keySet = this.generateVideosViewKey(hour)
+ const keyIncr = this.generateVideoViewKey(videoId, hour)
+
+ return Promise.all([
+ this.deleteFromSet(keySet, videoId.toString()),
+ this.deleteKey(keyIncr)
+ ])
+ }
+
+ /************* Keys generation *************/
+
+ generateCachedRouteKey (req: express.Request) {
return req.method + '-' + req.originalUrl
}
+ private generateVideosViewKey (hour?: number) {
+ if (!hour) hour = new Date().getHours()
+
+ return `videos-view-h${hour}`
+ }
+
+ private generateVideoViewKey (videoId: number, hour?: number) {
+ if (!hour) hour = new Date().getHours()
+
+ return `video-view-${videoId}-h${hour}`
+ }
+
+ private generateResetPasswordKey (userId: number) {
+ return 'reset-password-' + userId
+ }
+
+ private generateVerifyEmailKey (userId: number) {
+ return 'verify-email-' + userId
+ }
+
+ private generateViewKey (ip: string, videoUUID: string) {
+ return videoUUID + '-' + ip
+ }
+
+ /************* Redis helpers *************/
+
private getValue (key: string) {
return new Promise<string>((res, rej) => {
this.client.get(this.prefix + key, (err, value) => {
})
}
+ private getSet (key: string) {
+ return new Promise<string[]>((res, rej) => {
+ this.client.smembers(this.prefix + key, (err, value) => {
+ if (err) return rej(err)
+
+ return res(value)
+ })
+ })
+ }
+
+ private addToSet (key: string, value: string) {
+ return new Promise<string[]>((res, rej) => {
+ this.client.sadd(this.prefix + key, value, err => err ? rej(err) : res())
+ })
+ }
+
+ private deleteFromSet (key: string, value: string) {
+ return new Promise<void>((res, rej) => {
+ this.client.srem(this.prefix + key, value, err => err ? rej(err) : res())
+ })
+ }
+
+ private deleteKey (key: string) {
+ return new Promise<void>((res, rej) => {
+ this.client.del(this.prefix + key, err => err ? rej(err) : res())
+ })
+ }
+
+ private deleteFieldInHash (key: string, field: string) {
+ return new Promise<void>((res, rej) => {
+ this.client.hdel(this.prefix + key, field, err => err ? rej(err) : res())
+ })
+ }
+
private setValue (key: string, value: string, expirationMilliseconds: number) {
return new Promise<void>((res, rej) => {
this.client.set(this.prefix + key, value, 'PX', expirationMilliseconds, (err, ok) => {
})
}
+ private setValueInHash (key: string, field: string, value: string) {
+ return new Promise<void>((res, rej) => {
+ this.client.hset(this.prefix + key, field, value, (err) => {
+ if (err) return rej(err)
+
+ return res()
+ })
+ })
+ }
+
+ private increment (key: string) {
+ return new Promise<number>((res, rej) => {
+ this.client.incr(this.prefix + key, (err, value) => {
+ if (err) return rej(err)
+
+ return res(value)
+ })
+ })
+ }
+
private exists (key: string) {
return new Promise<boolean>((res, rej) => {
this.client.exists(this.prefix + key, (err, existsNumber) => {