1 import { throwError as observableThrowError } from 'rxjs'
2 import { Inject, Injectable, LOCALE_ID } from '@angular/core'
3 import { Router } from '@angular/router'
4 import { DateFormat, dateToHuman } from '@app/helpers'
5 import { logger } from '@root-helpers/logger'
6 import { HttpStatusCode, ResultList } from '@shared/models'
7 import { HttpHeaderResponse } from '@angular/common/http'
10 export class RestExtractor {
13 @Inject(LOCALE_ID) private localeId: string,
14 private router: Router
17 applyToResultListData <T, A, U> (
18 result: ResultList<T>,
19 fun: (data: T, ...args: A[]) => U,
20 additionalArgs: A[] = []
22 const data: T[] = result.data
26 data: data.map(d => fun.apply(this, [ d, ...additionalArgs ]))
30 convertResultListDateToHuman <T> (
31 result: ResultList<T>,
32 fieldsToConvert: string[] = [ 'createdAt' ],
35 return this.applyToResultListData(result, this.convertDateToHuman, [ fieldsToConvert, format ])
38 convertDateToHuman (target: any, fieldsToConvert: string[], format?: DateFormat) {
39 fieldsToConvert.forEach(field => {
40 target[field] = dateToHuman(this.localeId, new Date(target[field]), format)
46 redirectTo404IfNotFound (obj: { status: number }, type: 'video' | 'other', status = [ HttpStatusCode.NOT_FOUND_404 ]) {
47 if (obj?.status && status.includes(obj.status)) {
48 // Do not use redirectService to avoid circular dependencies
49 this.router.navigate([ '/404' ], { state: { type, obj }, skipLocationChange: true })
52 return observableThrowError(() => obj)
55 handleError (err: any) {
56 const errorMessage = this.buildErrorMessage(err)
58 const errorObj: { message: string, status: string, body: string, headers: HttpHeaderResponse } = {
59 message: errorMessage,
66 errorObj.status = err.status
67 errorObj.body = err.error
70 return observableThrowError(() => errorObj)
73 private buildErrorMessage (err: any) {
74 if (err.error instanceof Error) {
75 // A client-side or network error occurred. Handle it accordingly.
76 const errorMessage = err.error.detail || err.error.title
77 logger.error('An error occurred:', errorMessage)
82 if (typeof err.error === 'string') {
86 if (err.status !== undefined) {
87 const errorMessage = this.buildServerErrorMessage(err)
88 logger.error(`Backend returned code ${err.status}, errorMessage is: ${errorMessage}`)
97 private buildServerErrorMessage (err: any) {
98 // A server-side error occurred.
99 if (err.error?.errors) {
100 const errors = err.error.errors
102 return Object.keys(errors)
103 .map(key => errors[key].msg)
107 if (err.error?.error) {
108 return err.error.error
111 if (err.status === HttpStatusCode.PAYLOAD_TOO_LARGE_413) {
112 return $localize`Media is too large for the server. Please contact you administrator if you want to increase the limit size.`
115 if (err.status === HttpStatusCode.TOO_MANY_REQUESTS_429) {
116 const secondsLeft = err.headers.get('retry-after')
119 const minutesLeft = Math.floor(parseInt(secondsLeft, 10) / 60)
120 return $localize`Too many attempts, please try again after ${minutesLeft} minutes.`
123 return $localize`Too many attempts, please try again later.`
126 if (err.status === HttpStatusCode.INTERNAL_SERVER_ERROR_500) {
127 return $localize`Server error. Please retry later.`
130 return $localize`Unknown server error`