ignore stopwords in query

[wolnelektury.git] / src / api / handlers.py

diff --git a/src/api/handlers.py b/src/api/handlers.py
index 6f7179b..88fa1c3 100644 (file)
--- 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.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
 from piston.handler import AnonymousBaseHandler, BaseHandler
 from piston.utils import rc
 from sorl.thumbnail import default


@@ -18,6 +19,7 @@ from picture.models import Picture
 from picture.forms import PictureImportForm
 
 from stats.utils import piwik_track
 from picture.forms import PictureImportForm
 
 from stats.utils import piwik_track

+from wolnelektury.utils import re_escape

 
 from . import emitters  # Register our emitters
 
 
 from . import emitters  # Register our emitters
 


@@ -122,14 +124,12 @@ class BookDetails(object):
     @classmethod
     def url(cls, book):
         """ Returns Book's URL on the site. """
     @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 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):
 
     @classmethod
     def media(cls, book):


@@ -146,9 +146,12 @@ class BookDetails(object):
                     book.cover, "139x193").url if book.cover else ''
 
     @classmethod
                     book.cover, "139x193").url if book.cover else ''
 
     @classmethod

-    def cover_source_image(cls, book):
-        url = book.cover_source()
-        return url.rstrip('/') + '/file/'
+    def simple_thumb(cls, book):
+        return MEDIA_BASE + book.cover_api_thumb.url if book.cover_api_thumb else ''
+
+    @classmethod
+    def simple_cover(cls, book):
+        return MEDIA_BASE + book.simple_cover.url if book.simple_cover else ''

 
 
 class BookDetailHandler(BaseHandler, BookDetails):
 
 
 class BookDetailHandler(BaseHandler, BookDetails):


@@ -158,7 +161,7 @@ class BookDetailHandler(BaseHandler, BookDetails):
     """
     allowed_methods = ['GET']
     fields = ['title', 'parent', 'children'] + Book.formats + [
     """
     allowed_methods = ['GET']
     fields = ['title', 'parent', 'children'] + Book.formats + [

-        'media', 'url', 'cover', 'cover_thumb'] + [
+        'media', 'url', 'cover', 'cover_thumb', 'simple_thumb', 'simple_cover', 'fragment_data'] + [

             category_plural[c] for c in book_tag_categories]
 
     @piwik_track
             category_plural[c] for c in book_tag_categories]
 
     @piwik_track


@@ -177,7 +180,7 @@ class AnonymousBooksHandler(AnonymousBaseHandler, BookDetails):
     """
     allowed_methods = ('GET',)
     model = Book
     """
     allowed_methods = ('GET',)
     model = Book

-    fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb', 'slug']
+    fields = book_tag_categories + ['href', 'title', 'url', 'cover', 'cover_thumb', 'slug', 'simple_thumb']

 
     @classmethod
     def genres(cls, book):
 
     @classmethod
     def genres(cls, book):


@@ -279,34 +282,45 @@ class EBooksHandler(AnonymousBooksHandler):
     fields = ('author', 'href', 'title', 'cover') + tuple(Book.ebook_formats) + ('slug',)
 
 
     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 + [
 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', 'simple_thumb', 'slug', 'key']

 
 

-    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'
         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:
         if is_lektura is not None:
             books = books.filter(has_audience=is_lektura)
         if is_audiobook is not None:


@@ -314,7 +328,47 @@ class FilterBooksHandler(AnonymousBooksHandler):
                 books = books.filter(media__type='mp3')
             else:
                 books = books.exclude(media__type='mp3')
                 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:
+            search_string = re_escape(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
 
 
 # add categorized tags fields for Book


@@ -472,6 +526,13 @@ class TagsHandler(BaseHandler, TagDetails):
 
         tags = Tag.objects.filter(category=category_sng).exclude(items=None).order_by('slug')
 
 
         tags = Tag.objects.filter(category=category_sng).exclude(items=None).order_by('slug')
 

+        book_only = request.GET.get('book_only') == 'true'
+        picture_only = request.GET.get('picture_only') == 'true'
+        if book_only:
+            tags = tags.filter(for_books=True)
+        if picture_only:
+            tags = tags.filter(for_pictures=True)
+

         if after:
             tags = tags.filter(slug__gt=after)
         if before:
         if after:
             tags = tags.filter(slug__gt=after)
         if before: