+ convertDateToHuman (target: { [ id: string ]: string }, fieldsToConvert: string[]) {
+ fieldsToConvert.forEach(field => target[field] = dateToHuman(target[field]))
+
+ return target
+ }
+
+ 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[] = []
+
+ 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
+ }
+
+ if (err.status) {
+ errorObj.status = err.status
+ errorObj.body = err.error
+ }
+
+ return observableThrowError(errorObj)
+ }