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d18d6478 C |
1 | import { FormBuilder, FormControl, FormGroup, ValidatorFn } from '@angular/forms' |
2 | import { Injectable } from '@angular/core' | |
3 | import { FormReactiveErrors, FormReactiveValidationMessages } from '@app/shared/forms/form-reactive' | |
4 | import { I18n } from '@ngx-translate/i18n-polyfill' | |
5 | ||
e309822b C |
6 | export type BuildFormValidator = { |
7 | VALIDATORS: ValidatorFn[], | |
8 | MESSAGES: { [ name: string ]: string } | |
9 | } | |
d18d6478 | 10 | export type BuildFormArgument = { |
e309822b | 11 | [ id: string ]: BuildFormValidator |
d18d6478 C |
12 | } |
13 | export type BuildFormDefaultValues = { | |
14 | [ name: string ]: string | string[] | |
15 | } | |
16 | ||
17 | @Injectable() | |
18 | export class FormValidatorService { | |
19 | ||
20 | constructor ( | |
21 | private formBuilder: FormBuilder, | |
22 | private i18n: I18n | |
23 | ) {} | |
24 | ||
25 | buildForm (obj: BuildFormArgument, defaultValues: BuildFormDefaultValues = {}) { | |
26 | const formErrors: FormReactiveErrors = {} | |
27 | const validationMessages: FormReactiveValidationMessages = {} | |
28 | const group: { [key: string]: any } = {} | |
29 | ||
30 | for (const name of Object.keys(obj)) { | |
31 | formErrors[name] = '' | |
32 | ||
33 | const field = obj[name] | |
34 | if (field && field.MESSAGES) validationMessages[name] = field.MESSAGES | |
35 | ||
36 | const defaultValue = defaultValues[name] || '' | |
37 | ||
38 | if (field && field.VALIDATORS) group[name] = [ defaultValue, field.VALIDATORS ] | |
39 | else group[name] = [ defaultValue ] | |
40 | } | |
41 | ||
42 | const form = this.formBuilder.group(group) | |
43 | return { form, formErrors, validationMessages } | |
44 | } | |
45 | ||
46 | updateForm ( | |
47 | form: FormGroup, | |
48 | formErrors: FormReactiveErrors, | |
49 | validationMessages: FormReactiveValidationMessages, | |
50 | obj: BuildFormArgument, | |
51 | defaultValues: BuildFormDefaultValues = {} | |
52 | ) { | |
53 | for (const name of Object.keys(obj)) { | |
54 | formErrors[name] = '' | |
55 | ||
56 | const field = obj[name] | |
57 | if (field && field.MESSAGES) validationMessages[name] = field.MESSAGES | |
58 | ||
59 | const defaultValue = defaultValues[name] || '' | |
60 | ||
61 | if (field && field.VALIDATORS) form.addControl(name, new FormControl(defaultValue, field.VALIDATORS)) | |
62 | else form.addControl(name, new FormControl(defaultValue)) | |
63 | } | |
64 | } | |
65 | ||
66 | } |