X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/51369735b0c2f71ee63c1403da3254d5efed2b93..a04dc488f5fea78a2a51bde4b59b4aad50cf3204:/src/api/handlers.py

diff --git a/src/api/handlers.py b/src/api/handlers.py
index 6f7179bd5..eb56e2014 100644
--- a/src/api/handlers.py
+++ b/src/api/handlers.py
@@ -7,6 +7,7 @@ import json
 from django.contrib.sites.models import Site
 from django.core.urlresolvers import reverse
 from django.utils.functional import lazy
+from django.db import models
 from piston.handler import AnonymousBaseHandler, BaseHandler
 from piston.utils import rc
 from sorl.thumbnail import default
@@ -122,14 +123,12 @@ class BookDetails(object):
     @classmethod
     def url(cls, book):
         """ Returns Book's URL on the site. """
-
         return WL_BASE + book.get_absolute_url()
 
     @classmethod
     def children(cls, book):
         """ Returns all children for a book. """
-
-        return book.children.all()
+        return book.children.order_by('parent_number', 'sort_key')
 
     @classmethod
     def media(cls, book):
@@ -158,7 +157,7 @@ class BookDetailHandler(BaseHandler, BookDetails):
     """
     allowed_methods = ['GET']
     fields = ['title', 'parent', 'children'] + Book.formats + [
-        'media', 'url', 'cover', 'cover_thumb'] + [
+        'media', 'url', 'cover', 'cover_thumb', 'fragment_data'] + [
             category_plural[c] for c in book_tag_categories]
 
     @piwik_track
@@ -279,34 +278,45 @@ class EBooksHandler(AnonymousBooksHandler):
     fields = ('author', 'href', 'title', 'cover') + tuple(Book.ebook_formats) + ('slug',)
 
 
+class BookProxy(models.Model):
+    def __init__(self, book, key):
+        self.book = book
+        self.key = key
+
+    def __getattr__(self, item):
+        if item not in ('book', 'key'):
+            return self.book.__getattribute__(item)
+        else:
+            return self.__getattribute__(item)
+
+
+class QuerySetProxy(models.QuerySet):
+    def __init__(self, l):
+        self.list = l
+
+    def __iter__(self):
+        return iter(self.list)
+
+
 class FilterBooksHandler(AnonymousBooksHandler):
     fields = book_tag_categories + [
-        'href', 'title', 'url', 'cover', 'cover_thumb', 'slug', 'cover_source_image', 'fragment_data']
+        'href', 'title', 'url', 'cover', 'cover_thumb', 'key', 'cover_source_image']
 
-    def read(self, request, title_part=None, author_part=None, is_lektura=None, is_audiobook=None,
-             after=None, before=None, count=None):
-        if 'title_part' in request.GET:
-            title_part = request.GET['title_part']
-        if 'author_part' in request.GET:
-            author_part = request.GET['author_part']
-        if 'is_lektura' in request.GET:
-            is_lektura = request.GET['is_lektura']
-        if 'is_audiobook' in request.GET:
-            is_audiobook = request.GET['is_audiobook']
-
-        if count is None:
-            count = 50
+    def read(self, request):
+        key_sep = '$'
+        search_string = request.GET.get('search')
+        is_lektura = request.GET.get('lektura')
+        is_audiobook = request.GET.get('audiobook')
+
+        after = request.GET.get('after')
+        count = int(request.GET.get('count', 50))
         if is_lektura in ('true', 'false'):
             is_lektura = is_lektura == 'true'
         else:
             is_lektura = None
         if is_audiobook in ('true', 'false'):
             is_audiobook = is_audiobook == 'true'
-        books = Book.objects.distinct()
-        if title_part:
-            books = books.filter(title__iregex='\m' + title_part)
-        if author_part is not None:
-            books = books.filter(cached_author__iregex='\m' + author_part)
+        books = Book.objects.distinct().order_by('slug')
         if is_lektura is not None:
             books = books.filter(has_audience=is_lektura)
         if is_audiobook is not None:
@@ -314,7 +324,46 @@ class FilterBooksHandler(AnonymousBooksHandler):
                 books = books.filter(media__type='mp3')
             else:
                 books = books.exclude(media__type='mp3')
-        return super(FilterBooksHandler, self).read(request, books=books, after=after, before=before, count=count)
+        for key in request.GET:
+            if key in category_singular:
+                category = category_singular[key]
+                if category in book_tag_categories:
+                    slugs = request.GET[key].split(',')
+                    tags = Tag.objects.filter(category=category, slug__in=slugs)
+                    books = Book.tagged.with_any(tags, books)
+        if (search_string is not None) and len(search_string) < 3:
+            search_string = None
+        if search_string:
+            books_author = books.filter(cached_author__iregex='\m' + search_string)
+            books_title = books.filter(title__iregex='\m' + search_string)
+            books_title = books_title.exclude(id__in=list(books_author.values_list('id', flat=True)))
+            if after and (key_sep in after):
+                which, slug = after.split(key_sep, 1)
+                if which == 'title':
+                    book_lists = [(books_title.filter(slug__gt=slug), 'title')]
+                else:  # which == 'author'
+                    book_lists = [(books_author.filter(slug__gt=slug), 'author'), (books_title, 'title')]
+            else:
+                book_lists = [(books_author, 'author'), (books_title, 'title')]
+        else:
+            if after and key_sep in after:
+                which, slug = after.split(key_sep, 1)
+                books = books.filter(slug__gt=slug)
+            book_lists = [(books, 'book')]
+
+        filtered_books = []
+        for book_list, label in book_lists:
+            book_list = book_list.only('slug', 'title', 'cover', 'cover_thumb')
+            for category in book_tag_categories:
+                book_list = prefetch_relations(book_list, category)
+            remaining_count = count - len(filtered_books)
+            new_books = [BookProxy(book, '%s%s%s' % (label, key_sep, book.slug))
+                         for book in book_list[:remaining_count]]
+            filtered_books += new_books
+            if len(filtered_books) == count:
+                break
+
+        return QuerySetProxy(filtered_books)
 
 
 # add categorized tags fields for Book