# All files / src/app/ceph/cluster/mgr-modules/mgr-module-form mgr-module-form.component.ts

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75.76% Branches 25/33
28.57% Functions 4/14
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     import { Component, OnInit } from '@angular/core';
    import { ValidatorFn, Validators } from '@angular/forms';
    import { ActivatedRoute, Router } from '@angular/router';

    import { I18n } from '@ngx-translate/i18n-polyfill';
    import * as _ from 'lodash';
    import { forkJoin as observableForkJoin } from 'rxjs';

    import { MgrModuleService } from '../../../../shared/api/mgr-module.service';
    import { NotificationType } from '../../../../shared/enum/notification-type.enum';
    import { CdFormBuilder } from '../../../../shared/forms/cd-form-builder';
    import { CdFormGroup } from '../../../../shared/forms/cd-form-group';
    import { CdValidators } from '../../../../shared/forms/cd-validators';
    import { NotificationService } from '../../../../shared/services/notification.service';

    @Component({
      selector: 'cd-mgr-module-form',
      template: require('./mgr-module-form.component.html'),
      styles: []
    })
    export class MgrModuleFormComponent implements OnInit {
      mgrModuleForm: CdFormGroup;
      error = false;
      loading = false;
      moduleName = '';
      moduleOptions = [];

      constructor(
        private route: ActivatedRoute,
        private router: Router,
        private formBuilder: CdFormBuilder,
        private mgrModuleService: MgrModuleService,
        private notificationService: NotificationService,
        private i18n: I18n
      ) {}

      ngOnInit() {
        this.route.params.subscribe(
          (params: { name: string }) => {
            this.moduleName = decodeURIComponent(params.name);
            this.loading = true;
            const observables = [];
            observables.push(this.mgrModuleService.getOptions(this.moduleName));
            observables.push(this.mgrModuleService.getConfig(this.moduleName));
            observableForkJoin(observables).subscribe(
              (resp: object) => {
                this.loading = false;
                this.moduleOptions = resp[0];
                // Create the form dynamically.
                this.createForm();
                // Set the form field values.
                this.mgrModuleForm.setValue(resp[1]);
              },
              (error) => {
                this.error = error;
              }
            );
          },
          (error) => {
            this.error = error;
          }
        );
      }

      getValidators(moduleOption): ValidatorFn[] {
        const result = [];
        switch (moduleOption.type) {
          case 'addr':
            result.push(CdValidators.ip());
            break;
          case 'uint':
          case 'int':
          case 'size':
          case 'secs':
            result.push(CdValidators.number());
            result.push(Validators.required);
            if (_.isNumber(moduleOption.min)) {
              result.push(Validators.min(moduleOption.min));
            }
            if (_.isNumber(moduleOption.max)) {
              result.push(Validators.max(moduleOption.max));
            }
            break;
          case 'str':
            if (_.isNumber(moduleOption.min)) {
              result.push(Validators.minLength(moduleOption.min));
            }
            if (_.isNumber(moduleOption.max)) {
              result.push(Validators.maxLength(moduleOption.max));
            }
            break;
          case 'float':
            result.push(Validators.required);
            result.push(CdValidators.decimalNumber());
            break;
          case 'uuid':
            result.push(CdValidators.uuid());
            break;
        }
        return result;
      }

      createForm() {
        const controlsConfig = {};
        _.forEach(this.moduleOptions, (moduleOption) => {
          controlsConfig[moduleOption.name] = [
            moduleOption.default_value,
            this.getValidators(moduleOption)
          ];
        });
        this.mgrModuleForm = this.formBuilder.group(controlsConfig);
      }

      goToListView() {
        this.router.navigate(['/mgr-modules']);
      }

      onSubmit() {
        // Exit immediately if the form isn't dirty.
        if (this.mgrModuleForm.pristine) {
          this.goToListView();
          return;
        }
        const config = {};
        _.forEach(this.moduleOptions, (moduleOption) => {
          const control = this.mgrModuleForm.get(moduleOption.name);
          // Append the option only if the value has been modified.
          if (control.dirty && control.valid) {
            config[moduleOption.name] = control.value;
          }
        });
        this.mgrModuleService.updateConfig(this.moduleName, config).subscribe(
          () => {
            this.notificationService.show(
              NotificationType.success,
              this.i18n('Updated options for module "{{name}}".', { name: this.moduleName })
            );
            this.goToListView();
          },
          () => {
            // Reset the 'Submit' button.
            this.mgrModuleForm.setErrors({ cdSubmitButton: true });
          }
        );
      }
    }