From aa13a3f60083264d5a357f1d98da628e8443c26a Mon Sep 17 00:00:00 2001
From: Nils Dittberner <nils.dittberner@pta.de>
Date: Thu, 23 Nov 2017 14:00:57 +0100
Subject: [PATCH] 16-215 Adding and editing recipes

---
 .../recipes/recipe-edit/recipe-edit.component.css  |  4 ++
 .../recipes/recipe-edit/recipe-edit.component.html | 44 +++++++++++++---------
 .../recipes/recipe-edit/recipe-edit.component.ts   | 40 +++++++++++++++++---
 .../recipes/recipe-list/recipe-list.component.ts   |  5 +++
 src/app/recipes/recipe.service.ts                  | 12 ++++++
 5 files changed, 83 insertions(+), 22 deletions(-)

diff --git a/src/app/recipes/recipe-edit/recipe-edit.component.css b/src/app/recipes/recipe-edit/recipe-edit.component.css
index e69de29..2ddacef 100644
--- a/src/app/recipes/recipe-edit/recipe-edit.component.css
+++ b/src/app/recipes/recipe-edit/recipe-edit.component.css
@@ -0,0 +1,4 @@
+input.ng-invalid.ng-touched,
+textare.ng-invalid.ng-touched {
+    border: 1px solid red;
+}
\ No newline at end of file
diff --git a/src/app/recipes/recipe-edit/recipe-edit.component.html b/src/app/recipes/recipe-edit/recipe-edit.component.html
index 8540643..56ed7d9 100644
--- a/src/app/recipes/recipe-edit/recipe-edit.component.html
+++ b/src/app/recipes/recipe-edit/recipe-edit.component.html
@@ -3,7 +3,7 @@
     <form [formGroup]="recipeForm" (ngSubmit)="onSubmit()">
       <div class="row">
         <div class="col-xs-12">
-          <button type="submit" class="btn btn-success">Save</button>
+          <button type="submit" class="btn btn-success" [disabled]="!recipeForm.valid">Save</button>
           <button type="button" class="btn btn-danger">Cancel</button>
         </div>
       </div>
@@ -56,22 +56,32 @@
         </div>
       </div>
       <div class="row">
-        <div class="col-xs-12">
-          <div class="form-group">
-            <div class="row">
-              <div class="col-xs-8">
-                <input 
-                  type="text"
-                  class="form-control">
-              </div>
-              <div class="col-xs-2">
-                <input 
-                  type="text"
-                  class="form-control">
-              </div>
-              <div class="col-xs-2">
-                <button class="btn btn-danger">x</button>
-              </div>
+        <div class="col-xs-12" formArrayName="ingredients">
+          <div
+            class="row"
+            *ngFor="let ingredientCtrl of recipeForm.get('ingredients').controls; let i = index"
+            [formGroupName]="i"
+            style="margin-top: 10px;">
+            <div class="col-xs-8">
+              <input 
+                type="text"
+                class="form-control"
+                formControlName="name">
+            </div>
+            <div class="col-xs-2">
+              <input 
+                type="number"
+                class="form-control"
+                formControlName="amount">
+            </div>
+            <div class="col-xs-2">
+              <button class="btn btn-danger">x</button>
+            </div>
+          </div>
+          <hr>
+          <div class="row">
+            <div class="col-xs-12">
+              <button type="button" class="btn btn-success" (click)="onAddIngredient()">Add Ingredient</button>
             </div>
           </div>
         </div>
diff --git a/src/app/recipes/recipe-edit/recipe-edit.component.ts b/src/app/recipes/recipe-edit/recipe-edit.component.ts
index 093c1f3..7c2a506 100644
--- a/src/app/recipes/recipe-edit/recipe-edit.component.ts
+++ b/src/app/recipes/recipe-edit/recipe-edit.component.ts
@@ -1,7 +1,8 @@
 import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Params } from '@angular/router';
-import { FormGroup, FormControl } from '@angular/forms';
+import { FormArray, FormGroup, FormControl, Validators } from '@angular/forms';
 import { RecipeService } from '../recipe.service';
+import { Recipe } from '../recipe.model';
 
 @Component({
   selector: 'app-recipe-edit',
@@ -27,25 +28,54 @@ export class RecipeEditComponent implements OnInit {
   }
 
   onSubmit() {
-    console.log(this.recipeForm);
+    /* const newRecipe = new Recipe(this.recipeForm.value['name'], 
+                                this.recipeForm.valid['description'],
+                                this.recipeForm.valid['imagePath'],
+                                this.recipeForm.value['ingredients']); */
+    if (this.editMode) {
+      this.recipeService.updateRecpe(this.id, this.recipeForm.value);
+    } else {
+      this.recipeService.addRecipe(this.recipeForm.value);
+    }
+  }
+
+  onAddIngredient() {
+    (<FormArray>this.recipeForm.get('ingredients')).push(
+      new FormGroup({
+        'name': new FormControl(null, Validators.required),
+        'amount': new FormControl(null, [Validators.required, Validators.pattern(/^[1-9]+[0-9]*$/)])
+      })
+    )
   }
 
   private initForm() {
     let recipeName = '';
     let recipeImagePath = '';
     let recipeDescription = '';
+    let recipeIngredients = new FormArray([]);
 
     if (this.editMode) {
       const recipe = this.recipeService.getRecipe(this.id);
       recipeName = recipe.name;
       recipeImagePath = recipe.imagePath;
       recipeDescription = recipe.description;
+      if (recipe['ingredients']) {
+        for (let ingredient of recipe.ingredients) {
+          recipeIngredients.push(
+            new FormGroup({
+              'name': new FormControl(ingredient.name, Validators.required),
+              'amount': new FormControl(ingredient.amount, [Validators.required, Validators.pattern(/^[1-9]+[0-9]*$/)])
+            })
+          );
+        }
+      }
     }
 
     this.recipeForm = new FormGroup({
-      'name': new FormControl(recipeName),
-      'imagePath': new FormControl(recipeImagePath),
-      'description': new FormControl(recipeDescription)
+      'name': new FormControl(recipeName, Validators.required),
+      'imagePath': new FormControl(recipeImagePath, Validators.required),
+      'description': new FormControl(recipeDescription, Validators.required),
+      'ingredients': recipeIngredients
     });
   }
 }
diff --git a/src/app/recipes/recipe-list/recipe-list.component.ts b/src/app/recipes/recipe-list/recipe-list.component.ts
index 8344e46..3652b0b 100644
--- a/src/app/recipes/recipe-list/recipe-list.component.ts
+++ b/src/app/recipes/recipe-list/recipe-list.component.ts
@@ -18,6 +18,11 @@ export class RecipeListComponent implements OnInit {
               private route: ActivatedRoute) { }
 
   ngOnInit() {
+    this.recipeService.recipesChanged.subscribe(
+      (recipes: Recipe[]) => {
+        this.recipes = recipes;
+      }
+    );
     this.recipes = this.recipeService.getRecipes();
   }
 
diff --git a/src/app/recipes/recipe.service.ts b/src/app/recipes/recipe.service.ts
index 9f02c1c..c5304a5 100644
--- a/src/app/recipes/recipe.service.ts
+++ b/src/app/recipes/recipe.service.ts
@@ -2,9 +2,11 @@ import { Recipe } from "./recipe.model";
 import { EventEmitter, Injectable } from "@angular/core";
 import { Ingredient } from "../shared/ingredient.model";
 import { ShoppingListService } from "../shopping-list/shopping-list.service";
+import { Subject } from "rxjs/Subject";
 
 @Injectable()
 export class RecipeService {
+    recipesChanged = new Subject<Recipe[]>();
     private recipes: Recipe[] = [
         new Recipe(
             'A Test Recipe', 
@@ -39,4 +41,14 @@ export class RecipeService {
     addIngredientsToShoppingList(ingredients: Ingredient[]) {
         this.shoppingListService.addIngredients(ingredients);
     }
+
+    addRecipe(recipe: Recipe) {
+        this.recipes.push(recipe);
+        this.recipesChanged.next(this.recipes.slice());
+    }
+
+    updateRecpe(index: number, newRecipe: Recipe) {
+        this.recipes[index] = newRecipe;
+        this.recipesChanged.next(this.recipes.slice());
+    }
 }
\ No newline at end of file