def admin_images(parent_id= -1):
"""
List all images from within a category
"""
category_id = parent_id
form = ImageForm(prefix='image')
if form.validate_on_submit():
is_new = False
if len(form.key_id.data) > 0 and long(form.key_id.data) > 0:
image = ImageModel.get_by_id(long(form.key_id.data))
else:
image = ImageModel()
is_new = True
v2m(form, image)
category_id = long(form.category_id.data)
if type(form.image.data) == FileStorage and (is_new or form.update_image.data):
blob_key = form.image.data.mimetype_params['blob-key']
#create a small
(image.image_thumb_blob_key, image.width, image.height) = create_thumbnail(blob_key, 50, 50)
#and a slightly larger version
(image.image_blob_key, image.width, image.height) = create_thumbnail(blob_key)
#delete the uploaded (possibly 'uge file)
blobstore.delete(blob_key)
elif not is_new and form.update_image.data: # we set to update with an empty image so we delete the one in the db
image.delete_images()
image.image_blob_key = ''
image.image_thumb_blob_key = ''
image.width = 0
image.height = 0
try:
image.put()
image_id = image.key().id()
flash(u'Image %s successfully saved.' % image_id, 'success')
return redirect(url_for('admin_images_in_category', parent_id=category_id))
except CapabilityDisabledError:
image.delete_images()
flash(u'App Engine Datastore is currently in read-only mode.', 'info')
return redirect(url_for('admin_images_in_category', parent_id=category_id))
pass
elif form.is_submitted():
category_id = long(form.category_id.data)
images = sorted(ImageModel.all().filter('category_id', category_id), key=lambda i: i.order)
(categories, category_path, all_categories) = CategoryModel.get_categories_info(category_id)
form.category_id.data = category_path[-1].key().id()
return render_template('image/admin_images.html', images=images,
form=form,
categories=categories,
category_path=category_path,
current_category=category_path[-1],
all_categories=all_categories,
reset_image=ImageModel(category_id=category_id),
upload_url=blobstore.create_upload_url(url_for('admin_images')))
def get_images_for_category(category_id):
'''
Retrieves images for a given category
'''
# FIXME lorempixum
n = Random().randint(8, 20);
contents = []
for i in range(0, n):
c = ImageModel()
c.title = get_random_text(Random().randint(5, 25)).replace('\n', '').replace('\r', '')
c.description = get_random_text(Random().randint(45, 325))
c.height = MAX_HEIGHT
c.width = Random().randint(300, MAX_WIDTH)
c.image_blob_key = 'pixum'
c = c.jsond()
c['id'] = i
contents += [c]
pass
# contents = [c.jsond() for c in ImageModel.all().filter('category_id', category_id).filter('visible', True)]
return contents
pass