feat: add add-code component (#310)

src/app/system/codes/create-code/create-code.component.ts

@@ -0,0 +1,57 @@
+/** Angular Imports */
+import { Component, OnInit } from '@angular/core';
+import { FormBuilder, FormGroup, Validators } from '@angular/forms';
+import { Router, ActivatedRoute } from '@angular/router';
+
+/** Custom Services */
+import { SystemService } from '../../system.service';
+
+@Component({
+  selector: 'mifosx-create-code',
+  templateUrl: './create-code.component.html',
+  styleUrls: ['./create-code.component.scss']
+})
+export class CreateCodeComponent implements OnInit {
+
+  /** Code form. */
+  codeForm: FormGroup;
+
+  /**
+   * @param {FormBuilder} formBuilder Form Builder.
+   * @param {SystemService} systemService Accounting 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) { }
+
+  /**
+   * Creates the code form.
+   */
+  ngOnInit() {
+    this.createCodeForm();
+  }
+
+  /**
+   * Creates the create code form.
+   */
+  createCodeForm() {
+    this.codeForm = this.formBuilder.group({
+      'name': ['', Validators.required]
+    });
+  }
+
+  /**
+   * Submits the code form and creates a code,
+   * if successful redirects to view code.
+   */
+  submit() {
+    this.systemService.createCode(this.codeForm.value)
+      .subscribe((response: any) => {
+        this.router.navigate(['/system/codes'], { relativeTo: this.route });
+    });
+  }
+
+}