added sharing to recipe books

cookbook/forms.py

@@ -237,9 +237,8 @@ class ImportRecipeForm(forms.ModelForm):
 class RecipeBookForm(forms.ModelForm):
     class Meta:
         model = RecipeBook
-        fields = ('name', 'icon', 'description')
-
-        widgets = {'icon': EmojiPickerTextInput}
+        fields = ('name', 'icon', 'description', 'shared')
+        widgets = {'icon': EmojiPickerTextInput, 'shared': MultiSelectWidget}
 
 
 class MealPlanForm(forms.ModelForm):

cookbook/migrations/0039_recipebook_shared.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.0.5 on 2020-05-02 12:04
+
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('cookbook', '0038_auto_20200502_1259'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='recipebook',
+            name='shared',
+            field=models.ManyToManyField(blank=True, related_name='shared_with', to=settings.AUTH_USER_MODEL),
+        ),
+    ]

cookbook/models.py

@@ -197,6 +197,7 @@ class RecipeBook(models.Model):
     name = models.CharField(max_length=128)
     description = models.TextField(blank=True)
     icon = models.CharField(max_length=16, blank=True, null=True)
+    shared = models.ManyToManyField(User, blank=True, related_name='shared_with')
     created_by = models.ForeignKey(User, on_delete=models.CASCADE)
 
     def __str__(self):

cookbook/views/views.py

@@ -4,6 +4,7 @@ from datetime import datetime, timedelta
 from django.contrib import messages
 from django.contrib.auth import update_session_auth_hash
 from django.contrib.auth.forms import PasswordChangeForm
+from django.db.models import Q
 from django.http import HttpResponseRedirect
 from django.shortcuts import render, get_object_or_404
 from django.urls import reverse_lazy
@@ -86,7 +87,7 @@ def recipe_view(request, pk):
 def books(request):
     book_list = []
 
-    books = RecipeBook.objects.filter(created_by=request.user).all()
+    books = RecipeBook.objects.filter(Q(created_by=request.user) | Q(shared=request.user)).all()
 
     for b in books:
         book_list.append({'book': b, 'recipes': RecipeBookEntry.objects.filter(book=b).all()})