import sys
import re
import jinja2
-import mongokit
+from mediagoblin.db.util import ObjectId
import translitcodec
from mediagoblin import globals as mgoblin_globals
user = None
user = request.app.db.User.one(
- {'_id': mongokit.ObjectId(request.session['user_id'])})
+ {'_id': ObjectId(request.session['user_id'])})
if not user:
# Something's wrong... this user doesn't exist? Invalidate
translations=this_gettext)
+PAGINATION_DEFAULT_PER_PAGE = 30
+
class Pagination(object):
"""
- Pagination class,
- initialization through __init__(self, page=1, per_page=2, cursor)
- get actual data slice through __call__()
+ Pagination class for mongodb queries.
+
+ Initialization through __init__(self, cursor, page=1, per_page=2),
+ get actual data slice through __call__().
"""
- def __init__(self, cursor, page=1, per_page=2):
+ def __init__(self, page, cursor, per_page=PAGINATION_DEFAULT_PER_PAGE):
"""
- initializes Pagination
- -- page, requested page
- -- per_page, number of objects per page
- -- cursor, db cursor
+ Initializes Pagination
+
+ Args:
+ - page: requested page
+ - per_page: number of objects per page
+ - cursor: db cursor
"""
self.page = page
self.per_page = per_page
def __call__(self):
"""
- returns slice of objects for the requested page
+ Returns slice of objects for the requested page
"""
- return self.cursor.skip((self.page-1)*self.per_page) \
- .limit(self.per_page)
+ return self.cursor.skip(
+ (self.page - 1) * self.per_page).limit(self.per_page)
@property
def pages(self):
yield num
last = num
- def get_page_url(self, path_info, page_no, get_params=None):
+ def get_page_url_explicit(self, base_url, get_params, page_no):
"""
- Get a new page based of the path_info, the new page number,
- and existing get parameters.
+ Get a page url by adding a page= parameter to the base url
"""
new_get_params = copy.copy(get_params or {})
new_get_params['page'] = page_no
return "%s?%s" % (
- path_info, urllib.urlencode(new_get_params))
-
+ base_url, urllib.urlencode(new_get_params))
+
+ def get_page_url(self, request, page_no):
+ """
+ Get a new page url based of the request, and the new page number.
+
+ This is a nice wrapper around get_page_url_explicit()
+ """
+ return self.get_page_url_explicit(
+ request.path_info, request.GET, page_no)