1 import { throwError as observableThrowError } from 'rxjs'
2 import { Injectable } from '@angular/core'
3 import { Router } from '@angular/router'
4 import { dateToHuman } from '@app/helpers'
5 import { HttpStatusCode, ResultList } from '@shared/models'
8 export class RestExtractor {
10 constructor (private router: Router) { }
12 applyToResultListData <T, A, U> (
13 result: ResultList<T>,
14 fun: (data: T, ...args: A[]) => U,
15 additionalArgs: A[] = []
17 const data: T[] = result.data
21 data: data.map(d => fun.apply(this, [ d, ...additionalArgs ]))
25 convertResultListDateToHuman <T> (result: ResultList<T>, fieldsToConvert: string[] = [ 'createdAt' ]): ResultList<T> {
26 return this.applyToResultListData(result, this.convertDateToHuman, [ fieldsToConvert ])
29 convertDateToHuman (target: any, fieldsToConvert: string[]) {
30 fieldsToConvert.forEach(field => {
31 target[field] = dateToHuman(target[field])
37 redirectTo404IfNotFound (obj: { status: number }, type: 'video' | 'other', status = [ HttpStatusCode.NOT_FOUND_404 ]) {
38 if (obj?.status && status.includes(obj.status)) {
39 // Do not use redirectService to avoid circular dependencies
40 this.router.navigate([ '/404' ], { state: { type, obj }, skipLocationChange: true })
43 return observableThrowError(() => obj)
46 handleError (err: any) {
47 const errorMessage = this.buildErrorMessage(err)
49 const errorObj: { message: string, status: string, body: string } = {
50 message: errorMessage,
56 errorObj.status = err.status
57 errorObj.body = err.error
60 return observableThrowError(() => errorObj)
63 private buildErrorMessage (err: any) {
64 if (err.error instanceof Error) {
65 // A client-side or network error occurred. Handle it accordingly.
66 const errorMessage = err.error.detail || err.error.title
67 console.error('An error occurred:', errorMessage)
72 if (typeof err.error === 'string') {
76 if (err.status !== undefined) {
77 const errorMessage = this.buildServerErrorMessage(err)
78 console.error(`Backend returned code ${err.status}, errorMessage is: ${errorMessage}`)
87 private buildServerErrorMessage (err: any) {
88 // A server-side error occurred.
89 if (err.error?.errors) {
90 const errors = err.error.errors
92 return Object.keys(errors)
93 .map(key => errors[key].msg)
97 if (err.error?.error) {
98 return err.error.error
101 if (err.status === HttpStatusCode.PAYLOAD_TOO_LARGE_413) {
102 return $localize`Media is too large for the server. Please contact you administrator if you want to increase the limit size.`
105 if (err.status === HttpStatusCode.TOO_MANY_REQUESTS_429) {
106 const secondsLeft = err.headers.get('retry-after')
109 const minutesLeft = Math.floor(parseInt(secondsLeft, 10) / 60)
110 return $localize`Too many attempts, please try again after ${minutesLeft} minutes.`
113 return $localize`Too many attempts, please try again later.`
116 if (err.status === HttpStatusCode.INTERNAL_SERVER_ERROR_500) {
117 return $localize`Server error. Please retry later.`
120 return $localize`Unknown server error`