feat: add view, edit roles and permission component (#632)

- Add view roles and permission
- Edit roles and permission
- Edit role description

Fixes: #176

src/app/shared/disable-dialog/disable-dialog.component.html

@@ -0,0 +1,8 @@
+<h1 mat-dialog-title>Disable</h1>
+<div mat-dialog-content>
+  <p>Are you sure you want to disable {{ data.disableContext }} ?</p>
+</div>
+<mat-dialog-actions align="end">
+  <button mat-raised-button mat-dialog-close>Cancel</button>
+  <button mat-raised-button color="warn" [mat-dialog-close]="{ disable: true }">Confirm</button>
+</mat-dialog-actions>

src/app/shared/disable-dialog/disable-dialog.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { DisableDialogComponent } from './disable-dialog.component';
+
+describe('DisableDialogComponent', () => {
+  let component: DisableDialogComponent;
+  let fixture: ComponentFixture<DisableDialogComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ DisableDialogComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(DisableDialogComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/shared/disable-dialog/disable-dialog.component.ts

@@ -0,0 +1,25 @@
+/** Angular Imports */
+import { Component, OnInit, Inject } from '@angular/core';
+import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material';
+
+/**
+ * Disable dialog component.
+ */
+@Component({
+  selector: 'mifosx-disable-dialog',
+  templateUrl: './disable-dialog.component.html',
+  styleUrls: ['./disable-dialog.component.scss']
+})
+export class DisableDialogComponent implements OnInit {
+
+  /**
+   * @param {MatDialogRef} dialogRef Component reference to dialog.
+   * @param {any} data Provides a disableContext.
+   */
+  constructor(public dialogRef: MatDialogRef<DisableDialogComponent>,
+    @Inject(MAT_DIALOG_DATA) public data: any) { }
+
+  ngOnInit() {
+  }
+
+}

src/app/shared/enable-dialog/enable-dialog.component.html

@@ -0,0 +1,8 @@
+<h1 mat-dialog-title>Enable</h1>
+<div mat-dialog-content>
+  <p>Are you sure you want to enable {{ data.enableContext }} ?</p>
+</div>
+<mat-dialog-actions align="end">
+  <button mat-raised-button mat-dialog-close>Cancel</button>
+  <button mat-raised-button color="warn" [mat-dialog-close]="{ enable: true }">Confirm</button>
+</mat-dialog-actions>

src/app/shared/enable-dialog/enable-dialog.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { EnableDialogComponent } from './enable-dialog.component';
+
+describe('EnableDialogComponent', () => {
+  let component: EnableDialogComponent;
+  let fixture: ComponentFixture<EnableDialogComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ EnableDialogComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(EnableDialogComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/shared/enable-dialog/enable-dialog.component.ts

@@ -0,0 +1,25 @@
+/** Angular Imports */
+import { Component, OnInit, Inject } from '@angular/core';
+import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material';
+
+/**
+ * Enable dialog component.
+ */
+@Component({
+  selector: 'mifosx-enable-dialog',
+  templateUrl: './enable-dialog.component.html',
+  styleUrls: ['./enable-dialog.component.scss']
+})
+export class EnableDialogComponent implements OnInit {
+
+  /**
+   * @param {MatDialogRef} dialogRef Component reference to dialog.
+   * @param {any} data Provides a enableContext.
+   */
+  constructor(public dialogRef: MatDialogRef<EnableDialogComponent>,
+    @Inject(MAT_DIALOG_DATA) public data: any) { }
+
+  ngOnInit() {
+  }
+
+}

src/app/shared/shared.module.ts

@@ -12,6 +12,8 @@ import { FooterComponent } from './footer/footer.component';
 import { LanguageSelectorComponent } from './language-selector/language-selector.component';
 import { ThemePickerComponent } from './theme-picker/theme-picker.component';
 import { ChangePasswordDialogComponent } from './change-password-dialog/change-password-dialog.component';
+import { EnableDialogComponent } from './enable-dialog/enable-dialog.component';
+import { DisableDialogComponent } from './disable-dialog/disable-dialog.component';
 
 /** Custom Modules */
 import { IconsModule } from './icons.module';
@@ -37,7 +39,9 @@ import { MaterialModule } from './material.module';
     FooterComponent,
     LanguageSelectorComponent,
     ThemePickerComponent,
-    ChangePasswordDialogComponent
+    ChangePasswordDialogComponent,
+    EnableDialogComponent,
+    DisableDialogComponent
   ],
   exports: [
     FileUploadComponent,
@@ -53,7 +57,9 @@ import { MaterialModule } from './material.module';
   entryComponents: [
     FormDialogComponent,
     DeleteDialogComponent,
-    ChangePasswordDialogComponent
+    ChangePasswordDialogComponent,
+    EnableDialogComponent,
+    DisableDialogComponent
   ]
 })
 export class SharedModule { }

src/app/system/roles-and-permissions/edit-role/edit-role.component.html

@@ -0,0 +1,37 @@
+<div class="container">
+
+  <mat-card>
+
+    <form [formGroup]="roleForm" (ngSubmit)="submit()">
+
+      <mat-card-content>
+
+          <div fxLayout="column">
+
+            <mat-form-field>
+              <mat-label>Role Name</mat-label>
+              <input matInput disabled formControlName="name">
+            </mat-form-field>
+
+            <mat-form-field>
+              <mat-label>Role Description</mat-label>
+              <input matInput required formControlName="description">
+              <mat-error *ngIf="roleForm.controls.description.hasError('required')">
+                Description is <strong>required</strong>
+              </mat-error>
+            </mat-form-field>
+
+          </div>
+
+      </mat-card-content>
+
+      <mat-card-actions fxLayout="row" fxLayout.xs="column" fxLayoutAlign="center" fxLayoutGap="5px">
+        <button type="button" mat-raised-button [routerLink]="['../../']">Cancel</button>
+        <button mat-raised-button color="primary" [disabled]="!roleForm.valid || roleForm.pristine">Submit</button>
+      </mat-card-actions>
+
+    </form>
+
+  </mat-card>
+
+</div>

src/app/system/roles-and-permissions/edit-role/edit-role.component.scss

@@ -0,0 +1,11 @@
+.container {
+  max-width: 37rem;
+}
+
+span {
+  font-size: 1rem;
+}
+
+.roleName {
+  line-height: 3rem;
+}

src/app/system/roles-and-permissions/edit-role/edit-role.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { EditRoleComponent } from './edit-role.component';
+
+describe('EditRoleComponent', () => {
+  let component: EditRoleComponent;
+  let fixture: ComponentFixture<EditRoleComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ EditRoleComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(EditRoleComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/system/roles-and-permissions/edit-role/edit-role.component.ts

@@ -0,0 +1,67 @@
+/** Angular Imports */
+import { Component, OnInit } from '@angular/core';
+import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+import { ActivatedRoute, Router } from '@angular/router';
+
+/** Custom Services */
+import { SystemService } from '../../system.service';
+
+/**
+ * Edit Role Description Component.
+ */
+@Component({
+  selector: 'mifosx-edit-role',
+  templateUrl: './edit-role.component.html',
+  styleUrls: ['./edit-role.component.scss'],
+})
+export class EditRoleComponent implements OnInit {
+  /** Role Form */
+  roleForm: FormGroup;
+  /** Role Data */
+  roleData: any;
+
+  /**
+   * Retrieves the code data from `resolve`.
+   * @param {FormBuilder} formBuilder Form Builder.
+   * @param {SystemService} systemService System Service.
+   * @param {ActivatedRoute} route Activated Route.
+   * @param {Router} router Router for navigation.
+   */
+  constructor(
+    private formBuilder: FormBuilder,
+    private systemService: SystemService,
+    private route: ActivatedRoute,
+    private router: Router
+  ) {
+    this.route.data.subscribe((data: { role: any }) => {
+      this.roleData = data.role;
+    });
+  }
+
+  /**
+   * Creates and sets the role form.
+   */
+  ngOnInit() {
+    this.createRoleForm();
+  }
+
+  /**
+   * Creates and sets role form.
+   */
+  createRoleForm() {
+    this.roleForm = this.formBuilder.group({
+      name: [{ value: this.roleData.name, disabled: true }, Validators.required],
+      description: [this.roleData.description, Validators.required],
+    });
+  }
+
+  /**
+   * Submits the role form and updates role description,
+   * if successful redirects to view updated roles and permissions.
+   */
+  submit() {
+    this.systemService.updateRole(this.roleForm.value, this.roleData.id).subscribe(() => {
+      this.router.navigate(['../../'], { relativeTo: this.route });
+    });
+  }
+}

src/app/system/roles-and-permissions/roles-and-permissions.component.html

@@ -37,8 +37,17 @@
         </td>
       </ng-container>
 
+      <ng-container matColumnDef="actions">
+        <th mat-header-cell *matHeaderCellDef>Actions</th>
+        <td mat-cell *matCellDef="let role;" >
+          <button *ngIf="role.name !== 'Super user'" mat-icon-button color="primary" (click)="routeEdit($event)" [routerLink]="[role.id, 'edit']">
+            <fa-icon icon="edit"> Edit </fa-icon>
+          </button>
+        </td>
+      </ng-container>
+
       <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>
-      <tr mat-row *matRowDef="let row; columns: displayedColumns;" class="select-row"></tr>
+      <tr mat-row *matRowDef="let row; columns: displayedColumns;" [routerLink]="[row.id]" class="select-row"></tr>
 
     </table>
 

src/app/system/roles-and-permissions/roles-and-permissions.component.ts

@@ -19,7 +19,7 @@ export class RolesAndPermissionsComponent implements OnInit {
   /** Role data. */
   roleData: any;
   /** Columns to be displayed in roles and permissions table. */
-  displayedColumns: string[] = ['name', 'description', 'disabled'];
+  displayedColumns: string[] = ['name', 'description', 'disabled', 'actions'];
   /** Data source for roles and permissions table. */
   dataSource: MatTableDataSource<any>;
 
@@ -53,6 +53,14 @@ export class RolesAndPermissionsComponent implements OnInit {
     this.setRoles();
   }
 
+  /**
+   * Stops the propagation to view roles and permissions
+   * @param event Mouse Event
+   */
+  routeEdit(event: MouseEvent) {
+    event.stopPropagation();
+  }
+
   /**
    * Initializes the data source, paginator and sorter for roles and permissions table.
    */

src/app/system/roles-and-permissions/view-role/view-role.component.html

@@ -0,0 +1,99 @@
+<div fxLayout="row" fxLayoutAlign="end" fxLayoutGap="2%" fxLayout.lt-md="column" class="container m-b-20">
+  <button mat-raised-button color="primary" (click)="editRoles(); backupCheckValues();" [disabled]="rolePermissionService.name === 'Super user'">
+    <fa-icon icon="edit"></fa-icon>&nbsp;&nbsp;
+    Edit Role
+  </button>
+
+  <button *ngIf="!isRoleEnable(rolePermissionService.disabled)" mat-raised-button color="danger" (click)="disableRolesConfirmation()" [disabled]="rolePermissionService.name === 'Super user'">
+    <fa-icon icon="lock"></fa-icon>&nbsp;&nbsp;
+    Disable Role
+  </button>
+
+  <button *ngIf="isRoleEnable(rolePermissionService.disabled)" mat-raised-button color="primary" (click)="enableRolesConfirmation()" [disabled]="rolePermissionService.name === 'Super user'">
+    <fa-icon icon="lock-open"></fa-icon>&nbsp;&nbsp;
+    Enable Role
+  </button>
+
+  <button mat-raised-button color="warn" (click)="deleteRole()" [disabled]="rolePermissionService.name === 'Super user'">
+    <fa-icon icon="trash"></fa-icon>&nbsp;&nbsp;
+    Delete Role
+  </button>
+
+</div>
+
+<div class="container">
+
+  <mat-card>
+
+    <div fxFlexFill>
+      <span fxFlex="30%">Name:</span>
+      <span fxFlex="70%">{{ rolePermissionService.name }}</span>
+    </div>
+
+    <div fxFlexFill>
+      <span fxFlex="30%">Description:</span>
+      <span fxFlex="70%">{{ rolePermissionService.description }}</span>
+    </div>
+
+    <mat-divider></mat-divider>
+
+    <ng-container>
+
+      <div fxLayout="row" class="permissionSelected">
+        <div fxFlex="75">
+          <h3>
+            Permissions: <strong>{{ formatName(previousGrouping) }}</strong>
+          </h3>
+        </div>
+
+        <div fxFlex= "25" fxLayout="row" fxLayout.xs="column" fxLayoutAlign="end" fxLayoutGap="5px" *ngIf="!isDisabled" class="selectDeselect">
+          <button mat-raised-button color="primary" (click)="selectAll()">Select All</button>
+          <button mat-raised-button color="default" (click)="deselectAll()">Deselect All</button>
+        </div>
+
+      </div>
+
+      <div fxLayout="row">
+
+        <div fxFlex="30" fxLayout="column">
+          <mat-list>
+            <mat-list-item [ngClass]="selectedItem == grouping ? 'active' : 'inactive'" *ngFor="let grouping of groupings" (click)="showPermissions(grouping)">
+              <span class="groupingName">
+                {{ formatName(grouping) }}
+              </span>
+            </mat-list-item>
+          </mat-list>
+
+        </div>
+
+        <div fxFlex="70" fxLayout="column" class="listPermission">
+
+          <form [formGroup]="formGroup" (submit)="submit()">
+
+            <div *ngFor="let permission of permissions.permissions" class="displayPermissions">
+                <div formArrayName="roster">
+                  <div [formGroupName]="permission.id">
+                    <mat-checkbox name="cp" id="{{ permission.code }}" formControlName="selected"
+                   >
+                    {{ permissionName(permission.code) }}
+                  </mat-checkbox>
+                  </div>
+                </div>
+              </div>
+
+            </form>
+        </div>
+
+      </div>
+    </ng-container>
+
+    <div fxLayout="row" fxLayout.xs="column" fxLayoutAlign="center" fxLayoutGap="5px" *ngIf="!isDisabled">
+      <mat-card-actions>
+        <button type="button" mat-raised-button (click)="cancel(); restoreCheckboxes();">Cancel</button>
+        <button mat-raised-button color="primary" (click)="submit()">Submit</button>
+      </mat-card-actions>
+    </div>
+
+  </mat-card>
+
+</div>

src/app/system/roles-and-permissions/view-role/view-role.component.scss

@@ -0,0 +1,40 @@
+.displayPermissions {
+  padding-top: 15px;
+}
+
+span {
+  font-size: 1rem;
+}
+
+mat-list-item {
+  cursor: pointer;
+}
+
+.mat-list-base .mat-list-item .mat-list-item-content {
+  cursor: pointer;
+}
+
+.active {
+  background-color: #f2f2f2;
+}
+
+.groupingName {
+  padding: 0px 10px;
+}
+
+.listPermission {
+  padding-left: 20px;
+}
+
+.permissionSelected {
+  margin-top: 10px;
+  height: 40px;
+}
+
+.inactive {
+  transition: all .2s ease-in-out;
+}
+
+.inactive:hover {
+  transform: scale(1.1);
+}

src/app/system/roles-and-permissions/view-role/view-role.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ViewRoleComponent } from './view-role.component';
+
+describe('ViewRoleComponent', () => {
+  let component: ViewRoleComponent;
+  let fixture: ComponentFixture<ViewRoleComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ ViewRoleComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ViewRoleComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/system/roles-and-permissions/view-role/view-role.component.ts

@@ -0,0 +1,301 @@
+/** Angular Imports  */
+import { Component, OnInit } from '@angular/core';
+import { ActivatedRoute, Router } from '@angular/router';
+import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+import { MatDialog } from '@angular/material';
+import { SystemService } from '../../system.service';
+import * as _ from 'lodash';
+
+/** Custom Components */
+import { DeleteDialogComponent } from '../../../shared/delete-dialog/delete-dialog.component';
+import { DisableDialogComponent } from '../../../shared/disable-dialog/disable-dialog.component';
+import { EnableDialogComponent } from '../../../shared/enable-dialog/enable-dialog.component';
+
+/**
+ * View Role and Permissions Component
+ */
+@Component({
+  selector: 'mifosx-view-role',
+  templateUrl: './view-role.component.html',
+  styleUrls: ['./view-role.component.scss']
+})
+export class ViewRoleComponent implements OnInit {
+
+  /** Role Permissions Data */
+  rolePermissionService: any;
+  /** Stores the current grouping */
+  currentGrouping: string;
+  /** Stores the previous grouping */
+  previousGrouping = '';
+  /** Stores Grouping Data */
+  groupings: string[] = [];
+  /** Stores the selected role */
+  selectedItem = '';
+  /** Checks if its disabled */
+  isDisabled: Boolean = true;
+  /** Checks if there is any change in data */
+  checkboxesChanged: Boolean = false;
+  /** Stores backup values */
+  bValuesOnly: string[] = [];
+  /** Role ID */
+  roleId: any;
+  /** Creates permission form  */
+  formGroup: FormGroup;
+  /** Creates Backup form */
+  backupform: FormGroup;
+  /** Temporarily stores Permission data */
+  tempPermissionUIData: {
+    permissions: { code: string }[]
+  }[];
+  /** Stores permissions */
+  permissions: {
+    permissions: { code: string, id: number }[]
+  };
+
+  /**
+   * Retrieves the roledetails data from `resolve`.
+   * @param {ActivatedRoute} route Activated Route.
+   * @param {SystemService} systemService System Service.
+   * @param {Router} router Router for navigation.
+   * @param {FormBuilder} formBuilder Form Builder.
+   * @param {MatDialog} dialog Shared Dialog Boxes.
+   */
+  constructor(private route: ActivatedRoute,
+    private systemService: SystemService,
+    private router: Router,
+    private formBuilder: FormBuilder,
+    public dialog: MatDialog) {
+    this.route.data.subscribe((data: { roledetails: any }) => {
+      this.rolePermissionService = data.roledetails;
+    });
+  }
+
+  /**
+   * Groups all the data on init
+   */
+  ngOnInit() {
+    this.permissions = {
+      permissions: []
+    };
+    this.createForm();
+    this.groupRules();
+    this.selectedItem = 'special';
+    this.showPermissions('special');
+    this.route.params.subscribe((routeParams: any) => {
+      this.roleId = routeParams.id;
+    });
+  }
+
+  /**
+   * creates the form to display and edit permissions
+   */
+  createForm() {
+    this.formGroup = this.formBuilder.group({
+      roster: this.formBuilder.array(this.rolePermissionService.permissionUsageData.map((elem: any) => this.createMemberGroup(elem)))
+    });
+
+  }
+
+  createMemberGroup(permission: any): FormGroup {
+    return this.formBuilder.group({
+      ...permission,
+      ...{
+        code: [permission.code, Validators.required],
+        selected: [{ value: permission.selected, disabled: true }, Validators.required]
+      }
+    });
+  }
+
+  /**
+   * Groups the permissions based on rules
+   */
+  groupRules() {
+    this.tempPermissionUIData = [{
+      permissions: []
+    }];
+    for (const i in this.rolePermissionService.permissionUsageData) {
+      if (this.rolePermissionService.permissionUsageData[i]) {
+        if (this.rolePermissionService.permissionUsageData[i].grouping !== this.currentGrouping) {
+          this.currentGrouping = this.rolePermissionService.permissionUsageData[i].grouping;
+          this.groupings.push(this.currentGrouping);
+          this.tempPermissionUIData[this.currentGrouping] = { permissions: [] };
+        }
+        const temp = { code: this.rolePermissionService.permissionUsageData[i].code, id: i, selected: this.rolePermissionService.permissionUsageData[i].selected };
+        this.tempPermissionUIData[this.currentGrouping].permissions.push(temp);
+      }
+    }
+  }
+
+  /**
+   * Displays the permission for selected role
+   * @param grouping Selected Role
+   */
+  showPermissions(grouping: string) {
+    this.permissions = this.tempPermissionUIData[grouping];
+    this.selectedItem = grouping;
+    this.previousGrouping = grouping;
+  }
+
+  /**
+   * Formats the Role Name
+   * @param string String
+   */
+  formatName(string: any) {
+    if (string.indexOf('portfolio_') > -1) {
+      string = string.replace('portfolio_', '');
+    }
+    if (string.indexOf('transaction_') > -1) {
+      const temp = string.split('_');
+      string = temp[1] + ' ' + temp[0].charAt(0).toUpperCase() + temp[0].slice(1) + 's';
+    }
+    string = string.charAt(0).toUpperCase() + string.slice(1);
+    return string;
+  }
+
+  /**
+   * Formats the permission from permission code
+   * @param name String
+   */
+  permissionName(name: any) {
+    name = name || '';
+    // replace '_' with ' '
+    name = name.replace(/_/g, ' ');
+    // for reorts replace read with view
+    if (this.previousGrouping === 'report') {
+      name = name.replace(/READ/g, 'View');
+    }
+    return name;
+  }
+
+  /**
+   * Backups the valued
+   */
+  backupCheckValues() {
+    this.backupform = _.cloneDeep(this.formGroup) as FormGroup;
+  }
+
+  /**
+   * Restores the checkboxes to previous data on clicking cancel
+   */
+  restoreCheckboxes() {
+    this.formGroup = _.cloneDeep(this.backupform) as FormGroup;
+  }
+
+  isRoleEnable(value: any) {
+    return value;
+  }
+
+  editRoles() {
+    this.isDisabled = false;
+    this.formGroup.controls.roster.enable();
+  }
+
+  /**
+   * Cancel the changes
+   */
+  cancel() {
+    this.isDisabled = true;
+    this.formGroup.controls.roster.disable();
+  }
+
+  /**
+   * Submits the modified permissions
+   */
+  submit() {
+    const value = this.formGroup.get('roster').value;
+    const data = {};
+    const permissionData = {
+      permissions: {}
+    };
+    for (let i = 0; i < value.length; i++ ) {
+      data[value[i].code] = value[i].selected;
+    }
+    permissionData.permissions = data;
+    this.formGroup.controls.roster.disable();
+    this.checkboxesChanged = false;
+    this.isDisabled = true;
+    this.systemService.updateRolePermission(this.roleId, permissionData).subscribe((response: any) => {
+      console.log('response: ', response);
+    });
+  }
+
+  /**
+   * Selects all the permission of a particular role
+   */
+  selectAll() {
+    for (let i = 0; i < this.permissions.permissions.length; i++) {
+      this.formGroup.controls.roster['controls'][this.permissions.permissions[i].id].patchValue({
+        selected: true
+      });
+    }
+  }
+
+  /**
+   * Deselects all the permissions of a particular role
+   */
+  deselectAll() {
+    for (let i = 0; i < this.permissions.permissions.length; i++) {
+      this.formGroup.controls.roster['controls'][this.permissions.permissions[i].id].patchValue({
+        selected: false
+      });
+    }
+  }
+
+  /**
+   * Deletes the Role and redirects to Roles and Permissions.
+   */
+  deleteRole() {
+    const deleteRoleDialogRef = this.dialog.open(DeleteDialogComponent, {
+      data: { deleteContext: `role ${this.roleId}` }
+    });
+    deleteRoleDialogRef.afterClosed().subscribe((response: any) => {
+      if (response.delete) {
+        this.systemService.deleteRole(this.roleId)
+          .subscribe(() => {
+            this.router.navigate(['/system/roles-and-permissions']);
+          });
+      } else {
+
+      }
+    });
+  }
+
+  /**
+   * Enables the Role and redirects to Roles and Permissions.
+   */
+  enableRolesConfirmation() {
+    const enableRoleDialogRef = this.dialog.open(EnableDialogComponent, {
+      data: { enableContext: `role ${this.roleId}` }
+    });
+    enableRoleDialogRef.afterClosed().subscribe((response: any) => {
+      if (response.enable) {
+        this.systemService.enableRole(this.roleId)
+          .subscribe(() => {
+            this.router.navigate(['/system/roles-and-permissions']);
+          });
+      } else {
+
+      }
+    });
+  }
+
+  /**
+   * Disables the Role and redirects to Roles and Permissions.
+   */
+  disableRolesConfirmation() {
+    const deleteRoleDialogRef = this.dialog.open(DisableDialogComponent, {
+      data: { disableContext: `role ${this.roleId}` }
+    });
+    deleteRoleDialogRef.afterClosed().subscribe((response: any) => {
+      if (response.disable) {
+        this.systemService.disableRole(this.roleId)
+          .subscribe(() => {
+            this.router.navigate(['/system/roles-and-permissions']);
+          });
+      } else {
+
+      }
+    });
+  }
+
+}

src/app/system/roles-and-permissions/view-role/view-role.resolver.ts

@@ -0,0 +1,31 @@
+/** Angular Imports */
+import { Injectable } from '@angular/core';
+import { Resolve, ActivatedRouteSnapshot } from '@angular/router';
+
+/** rxjs Imports */
+import { Observable } from 'rxjs';
+
+/** Custom Services */
+import { SystemService } from '../../system.service';
+
+/**
+ * Roles and Permission data resolver.
+ */
+@Injectable()
+export class ViewRoleResolver implements Resolve<Object> {
+
+    /**
+     * @param {SystemService} systemService System service.
+     */
+    constructor(private systemService: SystemService) { }
+
+    /**
+     * Returns the roles and permissions data.
+     * @returns {Observable<any>}
+     */
+    resolve(route: ActivatedRouteSnapshot): Observable<any> {
+        const id = route.paramMap.get('id');
+        return this.systemService.getRole(id);
+    }
+
+}

src/app/system/system-routing.module.ts

@@ -44,6 +44,8 @@ import { CreateReportComponent } from './manage-reports/create-report/create-rep
 import { ViewReportComponent } from './manage-reports/view-report/view-report.component';
 import { AuditTrailsComponent } from './audit-trails/audit-trails.component';
 import { ViewAuditComponent } from './audit-trails/view-audit/view-audit.component';
+import { ViewRoleComponent } from './roles-and-permissions/view-role/view-role.component';
+import { EditRoleComponent } from './roles-and-permissions/edit-role/edit-role.component';
 
 /** Custom Resolvers */
 import { CodesResolver } from './codes/codes.resolver';
@@ -75,6 +77,7 @@ import { ViewSchedulerJobComponent } from './manage-scheduler-jobs/view-schedule
 import { ViewSchedulerJobResolver } from './manage-scheduler-jobs/view-scheduler-job/view-scheduler-job.resolver';
 import { EditSchedulerJobComponent } from './manage-scheduler-jobs/edit-scheduler-job/edit-scheduler-job.component';
 import { ManageSchedulerJobResolver } from './manage-scheduler-jobs/manage-scheduler-job.resolver';
+import { ViewRoleResolver } from './roles-and-permissions/view-role/view-role.resolver';
 
 const routes: Routes = [
   Route.withShell([
@@ -322,8 +325,30 @@ const routes: Routes = [
               path: 'add',
               component: AddRoleComponent,
               data: { title: extract('Add Role'), breadcrumb: 'Add' }
-            }
-          ]
+            },
+            {
+              path: ':id',
+              data: { title: extract('View Role'), routeParamBreadcrumb: 'id' },
+              runGuardsAndResolvers: 'always',
+              children: [
+                {
+                  path: '',
+                  component: ViewRoleComponent,
+                  resolve: {
+                    roledetails: ViewRoleResolver,
+                  }
+                },
+              {
+                path: 'edit',
+                component: EditRoleComponent,
+                data: { title: extract('Edit Role'), breadcrumb: 'Edit', routeParamBreadcrumb: false },
+                resolve: {
+                  role: ViewRoleResolver,
+                }
+              }
+            ]
+          }
+        ]
       },
       {
         path: 'surveys',
@@ -530,7 +555,8 @@ const routes: Routes = [
     AuditTrailSearchTemplateResolver,
     AuditTrailResolver,
     ViewSchedulerJobResolver,
-    ManageSchedulerJobResolver
+    ManageSchedulerJobResolver,
+    ViewRoleResolver
   ]
 })
 export class SystemRoutingModule { }

src/app/system/system.module.ts

@@ -45,6 +45,8 @@ import { EditHookComponent } from './manage-hooks/edit-hook/edit-hook.component'
 import { ViewHookComponent } from './manage-hooks/view-hook/view-hook.component';
 import { CreateHookComponent } from './manage-hooks/create-hook/create-hook.component';
 import { ColumnDialogComponent } from './manage-data-tables/column-dialog/column-dialog.component';
+import { ViewRoleComponent } from './roles-and-permissions/view-role/view-role.component';
+import { EditRoleComponent } from './roles-and-permissions/edit-role/edit-role.component';
 
 /** Dialog Component Imports */
 import { ReportParameterDialogComponent } from './manage-reports/report-parameter-dialog/report-parameter-dialog.component';
@@ -100,7 +102,9 @@ import { EditSchedulerJobComponent } from './manage-scheduler-jobs/edit-schedule
     AuditTrailsComponent,
     ViewAuditComponent,
     ViewSchedulerJobComponent,
-    EditSchedulerJobComponent
+    EditSchedulerJobComponent,
+    ViewRoleComponent,
+    EditRoleComponent
   ],
   entryComponents: [
     ReportParameterDialogComponent,

src/app/system/system.service.ts

@@ -79,6 +79,39 @@ export class SystemService {
     return this.http.get('/roles');
   }
 
+  /**
+   * @returns {Observable<any>} Fetches Roles and Permissions
+   */
+  getRole(roleId: any): Observable<any> {
+    return this.http.get(`/roles/${roleId}/permissions`);
+  }
+
+  /**
+   * @param role Role.
+   * @param roleId Role ID.
+   * @returns {Observable<any>}
+   */
+  updateRole(role: any, roleId: string): Observable<any> {
+    return this.http.put(`/roles/${roleId}`, role);
+  }
+
+  /**
+   * @param roleID Role ID.
+   * @param roleValueChanges Role value changes.
+   * @returns {Observable<any>}
+   */
+  updateRolePermission(roleId: any, roleValueChanges: any): Observable<any> {
+    return this.http.put(`/roles/${roleId}/permissions`, roleValueChanges);
+  }
+
+  /**
+   * @param roleId Role ID.
+   * @returns {Observable<any>}
+   */
+  deleteRole(roleId: string): Observable<any> {
+    return this.http.delete(`/roles/${roleId}`);
+  }
+
   /**
    * @param {any} role Role to be created.
    * @returns {Observable<any>}
@@ -87,6 +120,24 @@ export class SystemService {
     return this.http.post('/roles', role);
   }
 
+  /**
+   * @param roleId Role ID.
+   * @returns {Observable<any>}
+   */
+  enableRole(roleId: string): Observable<any> {
+    const httpParams = new HttpParams().set('command', 'enable');
+    return this.http.post(`/roles/${roleId}`, {} , { params: httpParams });
+  }
+
+  /**
+   * @param roleId Role ID.
+   * @returns {Observable<any>}
+   */
+  disableRole(roleId: string): Observable<any> {
+    const httpParams = new HttpParams().set('command', 'disable');
+    return this.http.post(`/roles/${roleId}`, {}, { params: httpParams });
+  }
+
   /**
    * @returns {Observable<any>} Fetches Codes.
    */