1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
import { Injectable } from '@angular/core'
import { Observable } from 'rxjs/Observable'
import { HttpErrorResponse } from '@angular/common/http'
import { Utils } from '../utils'
import { ResultList } from '../../../../../shared'
@Injectable()
export class RestExtractor {
extractDataBool () {
return true
}
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.call(this, d, additionalArgs)))
return {
total: result.total,
data: newData
}
}
convertResultListDateToHuman <T> (result: ResultList<T>, fieldsToConvert: string[] = [ 'createdAt' ]): ResultList<T> {
return this.applyToResultListData(result, this.convertDateToHuman, [ fieldsToConvert ])
}
convertDateToHuman (target: object, fieldsToConvert: string[]) {
const source = {}
fieldsToConvert.forEach(field => {
source[field] = Utils.dateToHuman(target[field])
})
return Object.assign(target, source)
}
handleError (err: HttpErrorResponse) {
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 (err.status !== undefined) {
// The backend returned an unsuccessful response code.
// The response body may contain clues as to what went wrong,
errorMessage = err.error
console.error(`Backend returned code ${err.status}, body was: ${errorMessage}`)
} else {
errorMessage = err
}
return Observable.throw(errorMessage)
}
}
|
