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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' | |
d18d6478 | 4 | |
e309822b C |
5 | export type BuildFormValidator = { |
6 | VALIDATORS: ValidatorFn[], | |
7 | MESSAGES: { [ name: string ]: string } | |
8 | } | |
d18d6478 | 9 | export type BuildFormArgument = { |
e309822b | 10 | [ id: string ]: BuildFormValidator |
d18d6478 C |
11 | } |
12 | export type BuildFormDefaultValues = { | |
13 | [ name: string ]: string | string[] | |
14 | } | |
15 | ||
16 | @Injectable() | |
17 | export class FormValidatorService { | |
18 | ||
19 | constructor ( | |
b4a929ac | 20 | private formBuilder: FormBuilder |
d18d6478 C |
21 | ) {} |
22 | ||
23 | buildForm (obj: BuildFormArgument, defaultValues: BuildFormDefaultValues = {}) { | |
24 | const formErrors: FormReactiveErrors = {} | |
25 | const validationMessages: FormReactiveValidationMessages = {} | |
26 | const group: { [key: string]: any } = {} | |
27 | ||
28 | for (const name of Object.keys(obj)) { | |
29 | formErrors[name] = '' | |
30 | ||
31 | const field = obj[name] | |
32 | if (field && field.MESSAGES) validationMessages[name] = field.MESSAGES | |
33 | ||
34 | const defaultValue = defaultValues[name] || '' | |
35 | ||
36 | if (field && field.VALIDATORS) group[name] = [ defaultValue, field.VALIDATORS ] | |
37 | else group[name] = [ defaultValue ] | |
38 | } | |
39 | ||
40 | const form = this.formBuilder.group(group) | |
41 | return { form, formErrors, validationMessages } | |
42 | } | |
43 | ||
44 | updateForm ( | |
45 | form: FormGroup, | |
46 | formErrors: FormReactiveErrors, | |
47 | validationMessages: FormReactiveValidationMessages, | |
48 | obj: BuildFormArgument, | |
49 | defaultValues: BuildFormDefaultValues = {} | |
50 | ) { | |
51 | for (const name of Object.keys(obj)) { | |
52 | formErrors[name] = '' | |
53 | ||
54 | const field = obj[name] | |
55 | if (field && field.MESSAGES) validationMessages[name] = field.MESSAGES | |
56 | ||
57 | const defaultValue = defaultValues[name] || '' | |
58 | ||
59 | if (field && field.VALIDATORS) form.addControl(name, new FormControl(defaultValue, field.VALIDATORS)) | |
60 | else form.addControl(name, new FormControl(defaultValue)) | |
61 | } | |
62 | } | |
63 | ||
64 | } |