feat: groups add and unassign role (#1027)

Fixes #1026

src/app/groups/groups-view/add-role/add-role.component.ts

@@ -0,0 +1,68 @@
+/** Angular Imports */
+import { Component, OnInit } from '@angular/core';
+import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+import { ActivatedRoute, Router } from '@angular/router';
+
+/** Custom Services */
+import { GroupsService } from '../../groups.service';
+
+/**
+ * Groups Add Role Component
+ */
+@Component({
+  selector: 'mifosx-add-role',
+  templateUrl: './add-role.component.html',
+  styleUrls: ['./add-role.component.scss']
+})
+export class AddRoleComponent implements OnInit {
+
+  /** Groups Add Role Form */
+  groupsAddRoleForm: FormGroup;
+  /** Client Menmber Data */
+  clientMemberData: any;
+  /** Role Data */
+  roleData: any;
+  /** Groups Account and Template Data */
+  groupAndTemplateData: any;
+
+  /**
+   * @param {FormBuilder} formBuilder Form Builder
+   * @param {GroupsService} groupsService Groups Service
+   * @param {ActivatedRoute} route Activated Route
+   * @param {Router} router Router
+   */
+  constructor(private formBuilder: FormBuilder,
+              private groupsService: GroupsService,
+              private route: ActivatedRoute,
+              private router: Router) {
+    this.route.data.subscribe((data: { groupAndTemplateData: any }) => {
+      this.groupAndTemplateData = data.groupAndTemplateData;
+    });
+  }
+
+  ngOnInit() {
+    this.clientMemberData = this.groupAndTemplateData.activeClientMembers;
+    this.roleData = this.groupAndTemplateData.availableRoles;
+    this.createGroupsAddRoleForm();
+  }
+
+  /**
+   * Creates the add group role form.
+   */
+  createGroupsAddRoleForm() {
+    this.groupsAddRoleForm = this.formBuilder.group({
+      'clientId': ['', Validators.required],
+      'role': ['', Validators.required]
+    });
+  }
+
+  /**
+   * Submits the form and assigns the group role.
+   */
+  submit() {
+    this.groupsService.executeGroupCommand(this.groupAndTemplateData.id, 'assignRole', this.groupsAddRoleForm.value).subscribe(() => {
+      this.router.navigate(['../'], { relativeTo: this.route });
+    });
+  }
+
+}