Add user history and resume videos

[github/Chocobozzz/PeerTube.git] / server / lib / redis.ts

diff --git a/server/lib/redis.ts b/server/lib/redis.ts
index 78b28986a0b4955f65286f90231fdf1b2156132f..abd75d5122d7162276fb245f7c2191ab952ad19b 100644 (file)
--- a/server/lib/redis.ts
+++ b/server/lib/redis.ts
@@ -2,7 +2,7 @@ import * as express from 'express'
 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,
@@ -24,11 +24,7 @@ class Redis {
     if (this.initialized === true) return
     this.initialized = true
 
-    this.client = createClient({
-      host: CONFIG.REDIS.HOSTNAME,
-      port: CONFIG.REDIS.PORT,
-      db: CONFIG.REDIS.DB
-    })
+    this.client = createClient(Redis.getRedisClient())
 
     this.client.on('error', err => {
       logger.error('Error in Redis client.', { err })
@@ -42,6 +38,18 @@ class Redis {
     this.prefix = 'redis-' + CONFIG.WEBSERVER.HOST + '-'
   }
 
+  static getRedisClient () {
+    return Object.assign({},
+      (CONFIG.REDIS.AUTH && CONFIG.REDIS.AUTH != null) ? { password: CONFIG.REDIS.AUTH } : {},
+      (CONFIG.REDIS.DB) ? { db: CONFIG.REDIS.DB } : {},
+      (CONFIG.REDIS.HOSTNAME && CONFIG.REDIS.PORT) ?
+      { host: CONFIG.REDIS.HOSTNAME, port: CONFIG.REDIS.PORT } :
+      { path: CONFIG.REDIS.SOCKET }
+    )
+  }
+
+  /************* Forgot password *************/
+
   async setResetPasswordVerificationString (userId: number) {
     const generatedString = await generateRandomString(32)
 
@@ -54,42 +62,117 @@ class Redis {
     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
   }
 
   setCachedRoute (req: express.Request, body: any, lifetime: number, contentType?: string, statusCode?: number) {
-    const cached: CachedRoute = {
-      body: body.toString(),
-      contentType,
-      statusCode: statusCode.toString()
-    }
+    const cached: CachedRoute = Object.assign({}, {
+      body: body.toString()
+    },
+    (contentType) ? { contentType } : null,
+    (statusCode) ? { statusCode: statusCode.toString() } : null
+    )
+
+    return this.setObject(this.generateCachedRouteKey(req), cached, lifetime)
+  }
+
+  /************* Video views *************/
 
-    return this.setObject(this.buildCachedRouteKey(req), cached, lifetime)
+  addVideoView (videoId: number) {
+    const keyIncr = this.generateVideoViewKey(videoId)
+    const keySet = this.generateVideosViewKey()
+
+    return Promise.all([
+      this.addToSet(keySet, videoId.toString()),
+      this.increment(keyIncr)
+    ])
   }
 
-  generateResetPasswordKey (userId: number) {
-    return 'reset-password-' + userId
+  async getVideoViews (videoId: number, hour: number) {
+    const key = this.generateVideoViewKey(videoId, hour)
+
+    const valueString = await this.getValue(key)
+    return parseInt(valueString, 10)
   }
 
-  buildViewKey (ip: string, videoUUID: string) {
-    return videoUUID + '-' + ip
+  async getVideosIdViewed (hour: number) {
+    const key = this.generateVideosViewKey(hour)
+
+    const stringIds = await this.getSet(key)
+    return stringIds.map(s => parseInt(s, 10))
+  }
+
+  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)
+    ])
   }
 
-  buildCachedRouteKey (req: express.Request) {
+  /************* 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) => {
@@ -100,6 +183,40 @@ class Redis {
     })
   }
 
+  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) => {
@@ -138,6 +255,26 @@ class Redis {
     })
   }
 
+  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) => {