feat: create, view, edit, delete for hooks (#403)

- Add create-hook
- Add view-hook
- Add edit-hook

#180

src/app/system/manage-hooks/view-hook/view-hook.component.ts

@@ -0,0 +1,61 @@
+/** Angular Imports */
+import { Component, OnInit } from '@angular/core';
+import { ActivatedRoute, Router } from '@angular/router';
+import { MatDialog } from '@angular/material';
+
+/** Custom Components */
+import { DeleteDialogComponent } from '../../../shared/delete-dialog/delete-dialog.component';
+
+/** Custom Services */
+import { SystemService } from '../../system.service';
+
+/**
+ * View Hook Component.
+ */
+@Component({
+  selector: 'mifosx-view-hook',
+  templateUrl: './view-hook.component.html',
+  styleUrls: ['./view-hook.component.scss']
+})
+export class ViewHookComponent implements OnInit {
+
+  /** Hook Data. */
+  hookData: any;
+
+  /**
+   * Retrieves the hook data from `resolve`.
+   * @param {ActivatedRoute} route Activated Route.
+   * @param {MatDialog} dialog Dialog Reference.
+   * @param {SystemService} systemService System Service.
+   * @param {Router} router Router for navigation.
+   */
+  constructor(private route: ActivatedRoute,
+              private dialog: MatDialog,
+              private systemService: SystemService,
+              private router: Router) {
+    this.route.data.subscribe((data: { hook: any }) => {
+      this.hookData = data.hook;
+    });
+  }
+
+  ngOnInit() {
+  }
+
+  /**
+   * Deletes the current hook.
+   */
+  delete() {
+    const deleteHookDialogRef = this.dialog.open(DeleteDialogComponent, {
+      data: { deleteContext: `hook ${this.hookData.id}` }
+    });
+    deleteHookDialogRef.afterClosed().subscribe((response: any) => {
+      if (response.delete) {
+        this.systemService.deleteHook(this.hookData.id)
+          .subscribe(() => {
+            this.router.navigate(['/system/hooks']);
+          });
+      }
+    });
+  }
+
+}