Starring system

comments/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 2.2.4 on 2019-10-08 22:39
+# Generated by Django 2.2.8 on 2020-05-28 18:37
 
 from django.conf import settings
 from django.db import migrations, models

recipes/admin.py

@@ -11,3 +11,4 @@
 admin.site.register(Nutrition)
 admin.site.register(Tip)
 
+

recipes/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 2.2.4 on 2019-10-08 22:39
+# Generated by Django 2.2.8 on 2020-05-28 18:37
 
 import common.utils
 import datetime
@@ -50,11 +50,12 @@ class Migration(migrations.Migration):
                 ('max_servings', models.PositiveIntegerField(default=1)),
                 ('difficulty', models.SmallIntegerField(choices=[(1, 'easy'), (2, 'medium'), (3, 'hard')])),
                 ('ingredients', models.ManyToManyField(related_name='in_recipes', to='recipes.Ingredient')),
+                ('stars', models.ManyToManyField(blank=True, related_name='recipe_stars', to=settings.AUTH_USER_MODEL)),
                 ('user', models.ForeignKey(on_delete=models.SET(common.utils.get_system_user), related_name='recipes', to=settings.AUTH_USER_MODEL)),
                 ('users_who_made_this', models.ManyToManyField(related_name='made_recipes', to=settings.AUTH_USER_MODEL)),
             ],
             options={
-                'abstract': False,
+                'ordering': ('-created_at',),
             },
         ),
         migrations.CreateModel(

recipes/models.py

@@ -28,6 +28,7 @@ class Recipe(BaseModel):
     max_servings = models.PositiveIntegerField(default=1)
     difficulty = models.SmallIntegerField(choices=DIFFICULTY_CHOICES)
     votes = models.ManyToManyField(AUTH_USER_MODEL, related_name='voted_recipes', through='recipes.Vote')
+    stars = models.ManyToManyField(AUTH_USER_MODEL, blank=True, related_name='recipe_stars')
 
     class Meta:
         ordering = ('-created_at', )

recipes/templates/recipes/recipe_detail.html

@@ -16,6 +16,14 @@ <h1 class="display-4">Recipe Details</h1>
         <p>Cook-time: {{ recipe.cook_time }}</p>
         <p>Servings: {{ recipe.servings }}</p>
         <p>Difficulty: {{ recipe.difficulty }}</p>
+        <p>Stars: {{ recipe.stars.count }}<br></p>
+
+        {% if request.user in recipe.stars.all %}
+            <a href={% url 'recipes:star-toggle' recipe.pk %}>Star down</a><br>
+        {% else %}
+            <a href={% url 'recipes:star-toggle' recipe.pk %}>Star up</a><br>
+        {% endif %}
+
         {% if recipe.user == user or perms.recipes.change_recipe %}
             <a class="btn btn-outline-secondary" href="{% url "recipes:update" recipe.pk %}">edit</a>
         {% endif %}

recipes/templates/recipes/recipe_list.html

@@ -7,6 +7,7 @@ <h1>Recipes</h1>
         <div class="float-md-right">
             {% if user.is_authenticated %}
                 {{ user.username }}
+                <a href="{% url "recipes:starred" %}">My Saved Recipes</a>
                 <a href="{% url "account_logout" %}">Logout</a>
             {% else %}
                 <a href="{% url "account_login" %}">Login</a>
@@ -18,6 +19,7 @@ <h1>Recipes</h1>
                 <li class="list-group-item">
                     <h4>{{ recipe.title }}</h4><br>
                     <a href="{% url "recipes:detail" recipe.pk %}">view</a>
+                    <p>Stars: {{ recipe.stars.count }}</p>
                 </li>
                 <br>
             {% endfor %}

recipes/urls.py

@@ -3,7 +3,7 @@
 from django_filters.views import FilterView
 
 from recipes.views import (RecipeCreateView, RecipeDetailView, RecipeListView,
-                           RecipeUpdateView, RecipeDeleteView)
+                           RecipeUpdateView, RecipeDeleteView, RecipeStarToggle, MyStarredRecipes)
 from recipes.filters import RecipeFilter
 
 recipe_patterns = [
@@ -12,6 +12,7 @@
     path('create/', RecipeCreateView.as_view(), name='create'),
     path('update/<int:pk>/', RecipeUpdateView.as_view(), name='update'),
     path('delete/<int:pk>/', RecipeDeleteView.as_view(), name='delete'),
+    path('detail/<int:pk>/star/', RecipeStarToggle.as_view(), name='star-toggle'),
     path('detail/<int:pk>/', RecipeDetailView.as_view(), name='detail'),
-
+    path('starred/', MyStarredRecipes.as_view(), name='starred'),
 ]

recipes/views.py

@@ -1,7 +1,8 @@
 from django.contrib.auth.mixins import LoginRequiredMixin
-from django.urls import reverse_lazy
+from django.urls import reverse_lazy, reverse
+from django.shortcuts import get_object_or_404
 from django.views.generic import (CreateView, DetailView, DeleteView,
-                                  ListView, UpdateView)
+                                  ListView, UpdateView, RedirectView)
 
 from recipes.mixins import AdminOrOwnerPermissionMixin
 from recipes.models import Recipe
@@ -42,6 +43,36 @@ def get_context_data(self, **kwargs):
         return context
 
 
+class RecipeStarToggle(RedirectView):
+
+    """
+    Lets user give and remove a star to a recipe
+    """
+
+    def get_redirect_url(self, *args, **kwargs):
+        pk = self.kwargs.get("pk")
+        recipe = get_object_or_404(Recipe, pk=pk)
+        user = self.request.user
+        if user.is_authenticated:
+            if user in recipe.stars.all():
+                recipe.stars.remove(user)
+            else:
+                recipe.stars.add(user)
+        return reverse('recipes:detail', args=[recipe.pk])
+
+
+class MyStarredRecipes(ListView):
+
+    """
+    View that shows a user their starred(favorite) recipes
+    """
+
+    model = Recipe
+
+    def get_queryset(self):
+        return Recipe.objects.filter(stars__username=self.request.user.username)
+
+
 class RecipeUpdateView(AdminOrOwnerPermissionMixin, UpdateView):
     """
     View to delete a recipe