form for #cojaczytam
[wolnelektury.git] / src / api / handlers.py
index 7772820..af01337 100644 (file)
@@ -9,16 +9,20 @@ from django.core.urlresolvers import reverse
 from django.http.response import HttpResponse
 from django.utils.functional import lazy
 from django.db import models
+from migdal.models import Entry
 from piston.handler import AnonymousBaseHandler, BaseHandler
 from piston.utils import rc
 from sorl.thumbnail import default
 
+from api.models import BookUserData
 from catalogue.forms import BookImportForm
 from catalogue.models import Book, Tag, BookMedia, Fragment, Collection
 from catalogue.models.tag import prefetch_relations
 from catalogue.utils import is_subscribed
+from librarian.cover import WLCover
 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
@@ -155,6 +159,10 @@ class BookDetails(object):
     def simple_cover(cls, book):
         return MEDIA_BASE + book.simple_cover.url if book.simple_cover else ''
 
+    @classmethod
+    def cover_color(cls, book):
+        return WLCover.epoch_colors.get(book.extra_info['epoch'], '#000000')
+
 
 class BookDetailHandler(BaseHandler, BookDetails):
     """ Main handler for Book objects.
@@ -163,7 +171,8 @@ class BookDetailHandler(BaseHandler, BookDetails):
     """
     allowed_methods = ['GET']
     fields = ['title', 'parent', 'children'] + Book.formats + [
-        'media', 'url', 'cover', 'cover_thumb', 'simple_thumb', 'simple_cover', 'fragment_data', 'preview'] + [
+        'media', 'url', 'cover', 'cover_thumb', 'simple_thumb', 'simple_cover', 'fragment_data', 'audio_length',
+        'preview', 'cover_color'] + [
             category_plural[c] for c in book_tag_categories]
 
     @piwik_track
@@ -182,7 +191,8 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails):
     """
     allowed_methods = ('GET',)
     model = Book
-    fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb', 'slug', 'simple_thumb']
+    fields = book_tag_categories + [
+        'href', 'title', 'url', 'cover', 'cover_thumb', 'slug', 'simple_thumb', 'has_audio', 'cover_color']
 
     @classmethod
     def genres(cls, book):
@@ -264,7 +274,7 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails):
 class BooksHandler(BookDetailHandler):
     allowed_methods = ('GET', 'POST')
     model = Book
-    fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb', 'slug']
+    fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb', 'cover_color', 'slug']
     anonymous = AnonymousBooksHandler
 
     def create(self, request, *args, **kwargs):
@@ -321,7 +331,7 @@ class QuerySetProxy(models.QuerySet):
 
 class FilterBooksHandler(AnonymousBooksHandler):
     fields = book_tag_categories + [
-        'href', 'title', 'url', 'cover', 'cover_thumb', 'simple_thumb', 'slug', 'key']
+        'href', 'title', 'url', 'cover', 'cover_thumb', 'cover_color', 'simple_thumb', 'has_audio', 'slug', 'key']
 
     def parse_bool(self, s):
         if s in ('true', 'false'):
@@ -391,6 +401,11 @@ class FilterBooksHandler(AnonymousBooksHandler):
         return QuerySetProxy(filtered_books)
 
 
+class BookPreviewHandler(BookDetailHandler):
+    def read(self, request):
+        return Book.objects.filter(preview=True)
+
+
 # add categorized tags fields for Book
 def _tags_getter(category):
     @classmethod
@@ -432,6 +447,7 @@ def add_file_getters():
     for book_format in Book.formats:
         setattr(BookDetails, book_format, _file_getter(book_format))
 
+
 add_file_getters()
 
 
@@ -623,7 +639,7 @@ class FragmentsHandler(BaseHandler, FragmentDetails):
 
         """
         try:
-            tags, ancestors = read_tags(tags, allowed=self.categories)
+            tags, ancestors = read_tags(tags, request, allowed=self.categories)
         except ValueError:
             return rc.NOT_FOUND
         fragments = Fragment.tagged.with_all(tags).select_related('book')
@@ -649,3 +665,123 @@ class PictureHandler(BaseHandler):
             return rc.CREATED
         else:
             return rc.NOT_FOUND
+
+
+class UserDataHandler(BaseHandler):
+    model = BookUserData
+    fields = ('state', 'username')
+    allowed_methods = ('GET', 'POST')
+
+    def read(self, request, slug=None):
+        if not request.user.is_authenticated():
+            return rc.FORBIDDEN
+        if slug is None:
+            return {'username': request.user.username}
+        try:
+            book = Book.objects.get(slug=slug)
+        except Book.DoesNotExist:
+            return rc.NOT_FOUND
+        try:
+            data = BookUserData.objects.get(book=book, user=request.user)
+        except BookUserData.DoesNotExist:
+            return {'state': 'not_started'}
+        return data
+
+    def create(self, request, slug, state):
+        try:
+            book = Book.objects.get(slug=slug)
+        except Book.DoesNotExist:
+            return rc.NOT_FOUND
+        if not request.user.is_authenticated():
+            return rc.FORBIDDEN
+        if state not in ('reading', 'complete'):
+            return rc.NOT_FOUND
+        data, created = BookUserData.objects.get_or_create(book=book, user=request.user)
+        data.state = state
+        data.save()
+        return data
+
+
+class UserShelfHandler(BookDetailHandler):
+    fields = book_tag_categories + [
+        'href', 'title', 'url', 'cover', 'cover_thumb', 'simple_thumb', 'slug', 'key']
+
+    def parse_bool(self, s):
+        if s in ('true', 'false'):
+            return s == 'true'
+        else:
+            return None
+
+    def read(self, request, state):
+        if not request.user.is_authenticated():
+            return rc.FORBIDDEN
+        if state not in ('reading', 'complete', 'likes'):
+            return rc.NOT_FOUND
+        after = request.GET.get('after')
+        count = int(request.GET.get('count', 50))
+        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:
+            books = books[:count]
+        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):
+        if not request.user.is_authenticated():
+            return rc.FORBIDDEN
+        try:
+            book = Book.objects.get(slug=slug)
+        except Book.DoesNotExist:
+            return rc.NOT_FOUND
+        action = request.GET.get('action', 'like')
+        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')
+
+    def read(self, request):
+        after = request.GET.get('after')
+        count = int(request.GET.get('count', 20))
+        entries = Entry.published_objects.filter(in_stream=True).order_by('-first_published_at')
+        if after:
+            entries = entries.filter(first_published_at__lt=after)
+        if count:
+            entries = entries[:count]
+        return entries
+
+    @classmethod
+    def image_url(cls, entry):
+        return entry.image.url if entry.image else None
+
+    @classmethod
+    def gallery_urls(cls, entry):
+        return [photo.url() for photo in entry.photo_set.all()]
+
+    @classmethod
+    def key(cls, entry):
+        return entry.first_published_at