def category(parent_id=ROOT_CAT_ID):
''' This will render the main page with the selected category defined by parent_id, and with the
content that it contains '''
contents = get_images_for_category(parent_id)
if request.is_xhr:
categories = [c.jsond() for c in CategoryModel.all().filter('parent_id', parent_id).filter('visible', True)]
categories = sorted(categories, key=lambda c: c.order)
return jsonify(categories=categories, contents=contents)
else:
category = CategoryModel.get_by_id(parent_id)
path = None
if category:
path = category.get_path_ids_to_root() + [category.key().id()]
categories = []
for cat in CategoryModel.all().filter('parent_id', ROOT_CAT_ID).filter('visible', True):
if path is not None and cat.key().id() in path:
init_sub_tree_along_path(cat, path)
categories += [cat]
pass
pass
categories = sorted(categories, key=lambda c: c.order)
contents = sorted(contents, key=lambda c: c['order'])
return render_template('category/index.html', categories=categories, contents=contents,
current_category=category)
pass
def category(parent_id=ROOT_CAT_ID):
''' This will render the main page with the selected category defined by parent_id, and with the
content that it contains '''
contents = get_images_for_category(parent_id)
if request.is_xhr:
categories = [
c.jsond() for c in CategoryModel.all().filter(
'parent_id', parent_id).filter('visible', True)
]
categories = sorted(categories, key=lambda c: c.order)
return jsonify(categories=categories, contents=contents)
else:
category = CategoryModel.get_by_id(parent_id)
path = None
if category:
path = category.get_path_ids_to_root() + [category.key().id()]
categories = []
for cat in CategoryModel.all().filter('parent_id', ROOT_CAT_ID).filter(
'visible', True):
if path is not None and cat.key().id() in path:
init_sub_tree_along_path(cat, path)
categories += [cat]
pass
pass
categories = sorted(categories, key=lambda c: c.order)
contents = sorted(contents, key=lambda c: c['order'])
return render_template('category/index.html',
categories=categories,
contents=contents,
current_category=category)
pass
def admin_categories(parent_id=ROOT_CAT_ID):
"""List all categories"""
form = CategoryForm(prefix='category')
if form.validate_on_submit():
if len(form.key_id.data) > 0 and long(form.key_id.data) > 0:
category = CategoryModel.get_by_id(long(form.key_id.data));
else:
category = CategoryModel()
v2m(form, category)
try:
category.put()
category_id = category.key().id()
flash(u'Category %s successfully saved.' % category_id, 'success')
return redirect(url_for('admin_category', parent_id=category.parent_id))
except CapabilityDisabledError:
flash(u'App Engine Datastore is currently in read-only mode.', 'info')
return redirect(url_for('admin_category', parent_id=category.parent_id))
except CircularCategoryException as cce:
flash(cce.message, 'error')
return redirect(url_for('admin_category', parent_id=category.parent_id))
pass
elif form.is_submitted():
parent_id = long(form.parent_id.data)
(categories, category_path, all_categories) = CategoryModel.get_categories_info(parent_id)
form.parent_id.data = category_path[-1].key().id()
reset_category = CategoryModel()
reset_category.parent_id = parent_id
return render_template('category/admin_categories.html',
categories=categories, form=form,
category_path=category_path,
current_category=category_path[-1],
all_categories=all_categories,
reset_category=reset_category)
def delete_category(category_id):
"""Delete an category object"""
category = CategoryModel.get_by_id(category_id)
parent_id = category.parent_id
try:
category.delete()
flash(u'Category %s successfully deleted.' % category_id, 'success')
except CapabilityDisabledError:
flash(u'App Engine Datastore is currently in read-only mode.', 'info')
return redirect(url_for('admin_category', parent_id=parent_id))
def move_category(category_id, parent_id=ROOT_CAT_ID):
cat = CategoryModel.get_by_id(category_id)
cat.parent_id = parent_id
try:
cat.put()
except CircularCategoryException as cce:
flash(cce.message, 'error')
return redirect(url_for('admin_category', parent_id=parent_id))
return redirect(url_for('admin_category', parent_id=parent_id), 302);
pass
def delete_category(category_id):
"""Delete an category object"""
category = CategoryModel.get_by_id(category_id)
parent_id = category.parent_id
try:
category.delete()
flash(u'Category %s successfully deleted.' % category_id, 'success')
except CapabilityDisabledError:
flash(u'App Engine Datastore is currently in read-only mode.', 'info')
return redirect(url_for('admin_category', parent_id=parent_id))
def move_category(category_id, parent_id=ROOT_CAT_ID):
cat = CategoryModel.get_by_id(category_id)
cat.parent_id = parent_id
try:
cat.put()
except CircularCategoryException as cce:
flash(cce.message, 'error')
return redirect(url_for('admin_category', parent_id=parent_id))
return redirect(url_for('admin_category', parent_id=parent_id), 302)
pass
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 admin_categories(parent_id=ROOT_CAT_ID):
"""List all categories"""
form = CategoryForm(prefix='category')
if form.validate_on_submit():
if len(form.key_id.data) > 0 and long(form.key_id.data) > 0:
category = CategoryModel.get_by_id(long(form.key_id.data))
else:
category = CategoryModel()
v2m(form, category)
try:
category.put()
category_id = category.key().id()
flash(u'Category %s successfully saved.' % category_id, 'success')
return redirect(
url_for('admin_category', parent_id=category.parent_id))
except CapabilityDisabledError:
flash(u'App Engine Datastore is currently in read-only mode.',
'info')
return redirect(
url_for('admin_category', parent_id=category.parent_id))
except CircularCategoryException as cce:
flash(cce.message, 'error')
return redirect(
url_for('admin_category', parent_id=category.parent_id))
pass
elif form.is_submitted():
parent_id = long(form.parent_id.data)
(categories, category_path,
all_categories) = CategoryModel.get_categories_info(parent_id)
form.parent_id.data = category_path[-1].key().id()
reset_category = CategoryModel()
reset_category.parent_id = parent_id
return render_template('category/admin_categories.html',
categories=categories,
form=form,
category_path=category_path,
current_category=category_path[-1],
all_categories=all_categories,
reset_category=reset_category)
def init_sub_tree_along_path(category, path, visible_only=True):
'''
Initializes the subcategories for the category recursively, if the category is in the path
'''
category.subcategories = []
query_set = CategoryModel.all().filter('parent_id', category.key().id())
if visible_only:
query_set.filter('visible', True)
for cat in query_set:
if cat.key().id() in path:
init_sub_tree_along_path(cat, path)
pass
category.subcategories += [cat]
pass
def init_sub_tree_along_path(category, path, visible_only=True):
'''
Initializes the subcategories for the category recursively, if the category is in the path
'''
category.subcategories = []
query_set = CategoryModel.all().filter('parent_id', category.key().id())
if visible_only:
query_set.filter('visible', True)
for cat in query_set:
if cat.key().id() in path:
init_sub_tree_along_path(cat, path)
pass
category.subcategories += [cat]
pass