Add new follow, mention and user registered notifs

[github/Chocobozzz/PeerTube.git] / client / src / app / shared / rest / rest-extractor.service.ts

diff --git a/client/src/app/shared/rest/rest-extractor.service.ts b/client/src/app/shared/rest/rest-extractor.service.ts
index f6a818ec86515abaf24fb6f4fca6d036d2ecefb5..f149569ef5028b2a5c27f6e92dc0bf432db957ba 100644 (file)
--- a/client/src/app/shared/rest/rest-extractor.service.ts
+++ b/client/src/app/shared/rest/rest-extractor.service.ts
@@ -1,52 +1,108 @@
+import { throwError as observableThrowError } from 'rxjs'
 import { Injectable } from '@angular/core'
-import { Response } from '@angular/http'
-import { Observable } from 'rxjs/Observable'
-
-export interface ResultList {
-  data: any[]
-  total: number
-}
+import { dateToHuman } from '@app/shared/misc/utils'
+import { ResultList } from '../../../../../shared'
+import { Router } from '@angular/router'
+import { I18n } from '@ngx-translate/i18n-polyfill'
 
 @Injectable()
 export class RestExtractor {
 
-  extractDataBool (res: Response) {
+  constructor (
+    private router: Router,
+    private i18n: I18n
+  ) { }
+
+  extractDataBool () {
     return true
   }
 
-  extractDataList (res: Response) {
-    const body = res.json()
+  applyToResultListData <T> (result: ResultList<T>, fun: Function, additionalArgs?: any[]): ResultList<T> {
+    const data: T[] = result.data
+    const newData: T[] = []
+
+    data.forEach(d => newData.push(fun.apply(this, [ d ].concat(additionalArgs))))
 
-    const ret: ResultList = {
-      data: body.data,
-      total: body.total
+    return {
+      total: result.total,
+      data: newData
     }
+  }
 
-    return ret
+  convertResultListDateToHuman <T> (result: ResultList<T>, fieldsToConvert: string[] = [ 'createdAt' ]): ResultList<T> {
+    return this.applyToResultListData(result, this.convertDateToHuman, [ fieldsToConvert ])
   }
 
-  extractDataGet (res: Response) {
-    return res.json()
+  convertDateToHuman (target: { [ id: string ]: string }, fieldsToConvert: string[]) {
+    fieldsToConvert.forEach(field => target[field] = dateToHuman(target[field]))
+
+    return target
   }
 
-  handleError (res: Response) {
-    let text = 'Server error: '
-    text += res.text()
-    let json = ''
+  handleError (err: any) {
+    let errorMessage
+
+    if (err.error instanceof Error) {
+      // A client-side or network error occurred. Handle it accordingly.
+      errorMessage = err.error.message
+      console.error('An error occurred:', errorMessage)
+    } else if (typeof err.error === 'string') {
+      errorMessage = err.error
+    } else if (err.status !== undefined) {
+      // A server-side error occurred.
+      if (err.error && err.error.errors) {
+        const errors = err.error.errors
+        const errorsArray: string[] = []
 
-    try {
-      json = res.json()
-    } catch (err) {
-      console.error('Cannot get JSON from response.')
+        Object.keys(errors).forEach(key => {
+          errorsArray.push(errors[key].msg)
+        })
+
+        errorMessage = errorsArray.join('. ')
+      } else if (err.error && err.error.error) {
+        errorMessage = err.error.error
+      } else if (err.status === 413) {
+        errorMessage = this.i18n(
+          'Request is too large for the server. Please contact you administrator if you want to increase the limit size.'
+        )
+      } else if (err.status === 429) {
+        const secondsLeft = err.headers.get('retry-after')
+        if (secondsLeft) {
+          const minutesLeft = Math.floor(parseInt(secondsLeft, 10) / 60)
+          errorMessage = this.i18n('Too many attempts, please try again after {{minutesLeft}} minutes.', { minutesLeft })
+        } else {
+          errorMessage = this.i18n('Too many attempts, please try again later.')
+        }
+      } else if (err.status === 500) {
+        errorMessage = this.i18n('Server error. Please retry later.')
+      }
+
+      errorMessage = errorMessage ? errorMessage : 'Unknown error.'
+      console.error(`Backend returned code ${err.status}, errorMessage is: ${errorMessage}`)
+    } else {
+      errorMessage = err
+    }
+
+    const errorObj: { message: string, status: string, body: string } = {
+      message: errorMessage,
+      status: undefined,
+      body: undefined
     }
 
-    const error = {
-      json,
-      text
+    if (err.status) {
+      errorObj.status = err.status
+      errorObj.body = err.error
     }
 
-    console.error(error)
+    return observableThrowError(errorObj)
+  }
+
+  redirectTo404IfNotFound (obj: { status: number }, status = [ 404 ]) {
+    if (obj && obj.status && status.indexOf(obj.status) !== -1) {
+      // Do not use redirectService to avoid circular dependencies
+      this.router.navigate([ '/404' ], { skipLocationChange: true })
+    }
 
-    return Observable.throw(error)
+    return observableThrowError(obj)
   }
 }