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Commit | Line | Data |
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cc4bf76c | 1 | |
df98563e | 2 | import { FormGroup } from '@angular/forms' |
cc4bf76c | 3 | import { wait } from '@root-helpers/utils' |
7ed1edbb C |
4 | import { BuildFormArgument, BuildFormDefaultValues } from '../form-validators/form-validator.model' |
5 | import { FormValidatorService } from './form-validator.service' | |
d18d6478 | 6 | |
3866f1a0 | 7 | export type FormReactiveErrors = { [ id: string ]: string | FormReactiveErrors } |
d18d6478 | 8 | export type FormReactiveValidationMessages = { |
3866f1a0 | 9 | [ id: string ]: { [ name: string ]: string } | FormReactiveValidationMessages |
d18d6478 | 10 | } |
4b2f33f3 C |
11 | |
12 | export abstract class FormReactive { | |
d18d6478 | 13 | protected abstract formValidatorService: FormValidatorService |
772d5642 | 14 | protected formChanged = false |
4b2f33f3 | 15 | |
d18d6478 | 16 | form: FormGroup |
26a008fe | 17 | formErrors: any // To avoid casting in template because of string | FormReactiveErrors |
d18d6478 | 18 | validationMessages: FormReactiveValidationMessages |
4b2f33f3 | 19 | |
d18d6478 C |
20 | buildForm (obj: BuildFormArgument, defaultValues: BuildFormDefaultValues = {}) { |
21 | const { formErrors, validationMessages, form } = this.formValidatorService.buildForm(obj, defaultValues) | |
4b2f33f3 | 22 | |
d18d6478 C |
23 | this.form = form |
24 | this.formErrors = formErrors | |
25 | this.validationMessages = validationMessages | |
26 | ||
c729caf6 | 27 | this.form.statusChanges.subscribe(async () => { |
cc4bf76c C |
28 | // FIXME: remove when https://github.com/angular/angular/issues/41519 is fixed |
29 | await this.waitPendingCheck() | |
30 | ||
31 | this.onStatusChanged(this.form, this.formErrors, this.validationMessages) | |
32 | }) | |
3866f1a0 C |
33 | } |
34 | ||
cc4bf76c C |
35 | protected async waitPendingCheck () { |
36 | if (this.form.status !== 'PENDING') return | |
37 | ||
38 | // FIXME: the following line does not work: https://github.com/angular/angular/issues/41519 | |
39 | // return firstValueFrom(this.form.statusChanges.pipe(filter(status => status !== 'PENDING'))) | |
40 | // So we have to fallback to active wait :/ | |
41 | ||
42 | do { | |
43 | await wait(10) | |
44 | } while (this.form.status === 'PENDING') | |
3866f1a0 C |
45 | } |
46 | ||
cc4bf76c C |
47 | protected forceCheck () { |
48 | this.onStatusChanged(this.form, this.formErrors, this.validationMessages, false) | |
4b2f33f3 | 49 | } |
bf57d5ee | 50 | |
cc4bf76c | 51 | private onStatusChanged ( |
3866f1a0 C |
52 | form: FormGroup, |
53 | formErrors: FormReactiveErrors, | |
54 | validationMessages: FormReactiveValidationMessages, | |
cc4bf76c | 55 | onlyDirty = true |
3866f1a0 C |
56 | ) { |
57 | for (const field of Object.keys(formErrors)) { | |
58 | if (formErrors[field] && typeof formErrors[field] === 'object') { | |
cc4bf76c | 59 | this.onStatusChanged( |
3866f1a0 C |
60 | form.controls[field] as FormGroup, |
61 | formErrors[field] as FormReactiveErrors, | |
cc4bf76c | 62 | validationMessages[field] as FormReactiveValidationMessages |
3866f1a0 C |
63 | ) |
64 | continue | |
65 | } | |
66 | ||
bf57d5ee | 67 | // clear previous error message (if any) |
9df52d66 | 68 | formErrors[field] = '' |
3866f1a0 | 69 | const control = form.get(field) |
bf57d5ee | 70 | |
772d5642 C |
71 | if (control.dirty) this.formChanged = true |
72 | ||
cc4bf76c | 73 | if (!control || (onlyDirty && !control.dirty) || !control.enabled || !control.errors) continue |
3c065fe3 C |
74 | |
75 | const staticMessages = validationMessages[field] | |
76 | for (const key of Object.keys(control.errors)) { | |
77 | const formErrorValue = control.errors[key] | |
78 | ||
79 | // Try to find error message in static validation messages first | |
80 | // Then check if the validator returns a string that is the error | |
cc4bf76c | 81 | if (staticMessages[key]) formErrors[field] += staticMessages[key] + ' ' |
3c065fe3 C |
82 | else if (typeof formErrorValue === 'string') formErrors[field] += control.errors[key] |
83 | else throw new Error('Form error value of ' + field + ' is invalid') | |
bf57d5ee C |
84 | } |
85 | } | |
86 | } | |
4b2f33f3 | 87 | } |