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df98563e | 1 | import { FormGroup } from '@angular/forms' |
d18d6478 C |
2 | import { BuildFormArgument, BuildFormDefaultValues, FormValidatorService } from '@app/shared/forms/form-validators/form-validator.service' |
3 | ||
3866f1a0 | 4 | export type FormReactiveErrors = { [ id: string ]: string | FormReactiveErrors } |
d18d6478 | 5 | export type FormReactiveValidationMessages = { |
3866f1a0 | 6 | [ id: string ]: { [ name: string ]: string } | FormReactiveValidationMessages |
d18d6478 | 7 | } |
4b2f33f3 C |
8 | |
9 | export abstract class FormReactive { | |
d18d6478 | 10 | protected abstract formValidatorService: FormValidatorService |
772d5642 | 11 | protected formChanged = false |
4b2f33f3 | 12 | |
d18d6478 | 13 | form: FormGroup |
26a008fe | 14 | formErrors: any // To avoid casting in template because of string | FormReactiveErrors |
d18d6478 | 15 | validationMessages: FormReactiveValidationMessages |
4b2f33f3 | 16 | |
d18d6478 C |
17 | buildForm (obj: BuildFormArgument, defaultValues: BuildFormDefaultValues = {}) { |
18 | const { formErrors, validationMessages, form } = this.formValidatorService.buildForm(obj, defaultValues) | |
4b2f33f3 | 19 | |
d18d6478 C |
20 | this.form = form |
21 | this.formErrors = formErrors | |
22 | this.validationMessages = validationMessages | |
23 | ||
3866f1a0 C |
24 | this.form.valueChanges.subscribe(() => this.onValueChanged(this.form, this.formErrors, this.validationMessages, false)) |
25 | } | |
26 | ||
27 | protected forceCheck () { | |
28 | return this.onValueChanged(this.form, this.formErrors, this.validationMessages, true) | |
29 | } | |
30 | ||
31 | protected check () { | |
32 | return this.onValueChanged(this.form, this.formErrors, this.validationMessages, false) | |
4b2f33f3 | 33 | } |
bf57d5ee | 34 | |
3866f1a0 C |
35 | private onValueChanged ( |
36 | form: FormGroup, | |
37 | formErrors: FormReactiveErrors, | |
38 | validationMessages: FormReactiveValidationMessages, | |
39 | forceCheck = false | |
40 | ) { | |
41 | for (const field of Object.keys(formErrors)) { | |
42 | if (formErrors[field] && typeof formErrors[field] === 'object') { | |
43 | this.onValueChanged( | |
44 | form.controls[field] as FormGroup, | |
45 | formErrors[field] as FormReactiveErrors, | |
46 | validationMessages[field] as FormReactiveValidationMessages, | |
47 | forceCheck | |
48 | ) | |
49 | continue | |
50 | } | |
51 | ||
bf57d5ee | 52 | // clear previous error message (if any) |
3866f1a0 C |
53 | formErrors[ field ] = '' |
54 | const control = form.get(field) | |
bf57d5ee | 55 | |
772d5642 C |
56 | if (control.dirty) this.formChanged = true |
57 | ||
d18d6478 C |
58 | // Don't care if dirty on force check |
59 | const isDirty = control.dirty || forceCheck === true | |
4adf2673 | 60 | if (control && isDirty && control.enabled && !control.valid) { |
3866f1a0 | 61 | const messages = validationMessages[ field ] |
c4710631 | 62 | for (const key of Object.keys(control.errors)) { |
3866f1a0 | 63 | formErrors[ field ] += messages[ key ] + ' ' |
bf57d5ee C |
64 | } |
65 | } | |
66 | } | |
67 | } | |
d18d6478 | 68 | |
4b2f33f3 | 69 | } |