From: Jan Szejko <janek37@gmail.com>
Date: Thu, 19 Jul 2018 12:03:07 +0000 (+0200)
Subject: add api for likes
X-Git-Url: https://git.mdrn.pl/wolnelektury.git/commitdiff_plain/36fe056c9c23f0843f1d391b100b7f622ccd4ef7?ds=inline

add api for likes
---

diff --git a/src/api/handlers.py b/src/api/handlers.py
index 830f0a99a..606aaa211 100644
--- a/src/api/handlers.py
+++ b/src/api/handlers.py
@@ -21,6 +21,7 @@ from catalogue.models.tag import prefetch_relations
 from catalogue.utils import is_subscribed
 from picture.models import Picture
 from picture.forms import PictureImportForm
+from social.utils import likes
 
 from stats.utils import piwik_track
 from wolnelektury.utils import re_escape
@@ -703,13 +704,16 @@ class UserShelfHandler(BookDetailHandler):
     def read(self, request, state):
         if not request.user.is_authenticated():
             return rc.FORBIDDEN
-        if state not in ('reading', 'complete'):
+        if state not in ('reading', 'complete', 'likes'):
             return rc.NOT_FOUND
         after = request.GET.get('after')
         count = int(request.GET.get('count', 50))
-        ids = BookUserData.objects.filter(user=request.user, complete=state == 'complete')\
-            .values_list('book_id', flat=True)
-        books = Book.objects.filter(id__in=list(ids)).distinct().order_by('slug')
+        if state == 'likes':
+            books = Book.tagged.with_any(request.user.tag_set.all())
+        else:
+            ids = BookUserData.objects.filter(user=request.user, complete=state == 'complete')\
+                .values_list('book_id', flat=True)
+            books = Book.objects.filter(id__in=list(ids)).distinct().order_by('slug')
         if after:
             books = books.filter(slug__gt=after)
         if count:
@@ -717,6 +721,33 @@ class UserShelfHandler(BookDetailHandler):
         return books
 
 
+class UserLikeHandler(BaseHandler):
+    fields = []
+    allowed_methods = ('GET', 'POST')
+
+    def read(self, request, slug):
+        if not request.user.is_authenticated():
+            return rc.FORBIDDEN
+        try:
+            book = Book.objects.get(slug=slug)
+        except Book.DoesNotExist:
+            return rc.NOT_FOUND
+        return {'likes': likes(request.user, book)}
+
+    def create(self, request, slug, action='like'):
+        if not request.user.is_authenticated():
+            return rc.FORBIDDEN
+        try:
+            book = Book.objects.get(slug=slug)
+        except Book.DoesNotExist:
+            return rc.NOT_FOUND
+        if action == 'like':
+            book.like(request.user)
+        elif action == 'unlike':
+            book.unlike(request.user)
+        return {}
+
+
 class BlogEntryHandler(BaseHandler):
     model = Entry
     fields = ('title', 'lead', 'body', 'place', 'time', 'image_url', 'gallery_urls', 'type', 'key')
diff --git a/src/api/urls.py b/src/api/urls.py
index 4bbd5f578..e39555352 100644
--- a/src/api/urls.py
+++ b/src/api/urls.py
@@ -15,15 +15,22 @@ from api.piston_patch import oauth_user_auth
 
 auth = OAuthAuthentication(realm="Wolne Lektury")
 
-book_list_resource = CsrfExemptResource(handler=handlers.BooksHandler, authentication=auth)
+
+def auth_resource(handler):
+    return CsrfExemptResource(handler=handler, authentication=auth)
+
+
+book_list_resource = auth_resource(handler=handlers.BooksHandler)
 ebook_list_resource = Resource(handler=handlers.EBooksHandler)
 # book_list_resource = Resource(handler=handlers.BooksHandler)
 book_resource = Resource(handler=handlers.BookDetailHandler)
 filter_book_resource = Resource(handler=handlers.FilterBooksHandler)
-epub_resource = Resource(handler=handlers.EpubHandler, authentication=auth)
+epub_resource = auth_resource(handler=handlers.EpubHandler)
 
-reading_resource = CsrfExemptResource(handler=handlers.UserDataHandler, authentication=auth)
-shelf_resource = Resource(handler=handlers.UserShelfHandler, authentication=auth)
+reading_resource = auth_resource(handler=handlers.UserDataHandler)
+shelf_resource = auth_resource(handler=handlers.UserShelfHandler)
+
+like_resource = auth_resource(handler=handlers.UserLikeHandler)
 
 collection_resource = Resource(handler=handlers.CollectionDetailHandler)
 collection_list_resource = Resource(handler=handlers.CollectionsHandler)
@@ -34,7 +41,7 @@ tag_resource = Resource(handler=handlers.TagDetailHandler)
 fragment_resource = Resource(handler=handlers.FragmentDetailHandler)
 fragment_list_resource = Resource(handler=handlers.FragmentsHandler)
 
-picture_resource = CsrfExemptResource(handler=handlers.PictureHandler, authentication=auth)
+picture_resource = auth_resource(handler=handlers.PictureHandler)
 
 blog_resource = Resource(handler=handlers.BlogEntryHandler)
 
@@ -84,6 +91,8 @@ urlpatterns = [
     url(r'^shelf/(?P<state>[a-z]+)/$', shelf_resource, name='api_shelf'),
     url(r'^username/$', reading_resource, name='api_username'),
 
+    url(r'^like/(?P<slug>[a-z0-9-]+)/$', like_resource, name='api_like'),
+
     # objects details
     url(r'^books/(?P<book>[a-z0-9-]+)/$', book_resource, name="api_book"),
     url(r'^(?P<category>[a-z0-9-]+)/(?P<slug>[a-z0-9-]+)/$',