split protocol into steps

recipes/admin.py

@@ -1,14 +1,18 @@
 from django.contrib import admin
 
-from .models import Recipe, Ingredient, IngredientUsage
+from .models import Recipe, Ingredient, IngredientUsage, Step
 
 class IngredientUsageInline(admin.TabularInline):
     model = IngredientUsage
     extra = 1
 
+class StepInline(admin.TabularInline):
+    model = Step
+    extra = 1
+
 class RecipeAdmin(admin.ModelAdmin):
-    inlines = (IngredientUsageInline,)
-    fields =  [ 'name', 'protocol' ]
+    inlines = (IngredientUsageInline,StepInline)
+    fields =  [ 'name' ]
 
 admin.site.register(Recipe,RecipeAdmin)
 admin.site.register(Ingredient)

recipes/migrations/0003_auto_20191107_1728.py

@@ -0,0 +1,27 @@
+# Generated by Django 2.2.6 on 2019-11-07 16:28
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('recipes', '0002_recipe_protocol'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='recipe',
+            name='protocol',
+        ),
+        migrations.CreateModel(
+            name='Step',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('step', models.PositiveSmallIntegerField()),
+                ('protocol', models.TextField(default='')),
+                ('recipe', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='recipes.Recipe')),
+            ],
+        ),
+    ]

recipes/models.py

@@ -9,11 +9,15 @@ class Ingredient(models.Model):
 class Recipe(models.Model):
     name = models.CharField(max_length=128)
     ingredients = models.ManyToManyField(Ingredient, through='IngredientUsage')
-    protocol = models.TextField(default='')
 
     def __str__(self):
         return self.name
 
+class Step(models.Model):
+    recipe = models.ForeignKey(Recipe, on_delete=models.CASCADE)
+    step = models.PositiveSmallIntegerField()
+    protocol = models.TextField(default='')
+
 class IngredientUsage(models.Model):
     recipe = models.ForeignKey(Recipe, on_delete=models.CASCADE)
     ingredient = models.ForeignKey(Ingredient, on_delete=models.CASCADE)

recipes/templates/recipes/detail.html

@@ -7,4 +7,8 @@
 </ul>
 
 <h2>Steps</h2>
-<p>{{ recipe.protocol }}</p>
+<ul>
+    {% for step in steps %}
+    <li>{{ step.protocol }}</li>
+    {% endfor %}
+</ul>

recipes/views.py

@@ -1,6 +1,6 @@
 from django.views import generic
 
-from .models import Recipe, IngredientUsage
+from .models import Recipe, IngredientUsage, Step
 
 
 class IndexView(generic.ListView):
@@ -17,4 +17,5 @@ class DetailView(generic.DetailView):
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context['ingredient_list'] = IngredientUsage.objects.filter(recipe=self.object.pk)
+        context['steps'] = Step.objects.filter(recipe=self.object.pk).order_by('step')
         return context