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[wolnelektury.git] / src / social / forms.py

diff --git a/src/social/forms.py b/src/social/forms.py
index 1e2462a..8527915 100644 (file)
--- a/src/social/forms.py
+++ b/src/social/forms.py
@@ -4,7 +4,7 @@
 from django import forms
 from django.utils.translation import gettext_lazy as _
 
-from catalogue.models import Tag
+from catalogue.models import Book, Tag
 from catalogue import utils
 from social.utils import get_set, set_sets
 
@@ -49,3 +49,47 @@ class NewSetForm(forms.Form):
 
         new_set.save()
         return new_set
+
+
+class AddSetForm(forms.Form):
+    name = forms.CharField(max_length=50)
+    book = forms.IntegerField()
+
+    def save(self, user):
+        name = self.cleaned_data['name'].strip()
+        if not name: return
+        tag = get_set(user, name)
+        try:
+            book = Book.objects.get(id=self.cleaned_data['book'])
+        except Book.DoesNotExist:
+            return
+
+        try:
+            book.tag_relations.create(tag=tag)
+        except:
+            pass
+
+        return book, tag
+
+
+class RemoveSetForm(forms.Form):
+    slug = forms.CharField(max_length=50)
+    book = forms.IntegerField()
+
+    def save(self, user):
+        slug = self.cleaned_data['slug']
+        try:
+            tag = Tag.objects.get(user=user, slug=slug)
+        except Tag.DoesNotExist:
+            return
+        try:
+            book = Book.objects.get(id=self.cleaned_data['book'])
+        except Book.DoesNotExist:
+            return
+
+        try:
+            book.tag_relations.filter(tag=tag).delete()
+        except:
+            pass
+
+        return book, tag