def add_to_collection(self, user, rel_path):
"""Adds the given user directory to collection repository
with all subdirectories and files. Also sets the user permission
and subscription."""
# read description file
desc_parser = info.parse_description(user, rel_path)
# Create root directory and save it with all subdirectories and files
item = os.path.basename(rel_path)
root_dir = Directory(revision=1,
name=item,
user_modified=user,
size=WebFolder.get_dir_size(user, rel_path))
root_dir.save()
info.create_traits(user, rel_path, root_dir.identifier, 1)
root_dir.save_recursive(user, rel_path)
root_dir.save()
# Set collection attributes
self.directory = root_dir
self.revision = 1
self.save()
self.abstract = desc_parser.get_abstract()
self.details = desc_parser.get_details()
self.comment = "Add the collection to the repository."
self.save()
for (key,value) in desc_parser.get_tags():
try:
tag = Tag.objects.get(key=key, value=value)
except ObjectDoesNotExist:
tag = Tag(key=key, value=value)
tag.save()
self.tags.add(tag)
# Set user access
permission = UserPermission(collection=self,
user=user,
permission=enum.Permission.WRITE)
permission.save()
# Set user subscription
subscription = Subscription(collection=self,
user=user)
subscription.save()
# Update news log
content = "A new collection <b>" + self.name + "</b> was added to the repository.\n" + \
"<i><b>Abstract:</b>\n" + self.abstract + "</i>"
news = News(user=User.get_current_user(),
content=content,
collection=self)
news.save()
def update_group_permission(self, group, permission):
"""Grant the given group the given permission of this collection."""
if permission:
if GroupPermission.objects.filter(group=group, collection=self):
p = GroupPermission.objects.get(group=group, collection=self)
p.permission = permission
else:
p = GroupPermission(group=group, collection=self, permission=permission)
p.save_all_revisions()
else:
permission = GroupPermission.objects.get(group=group, collection=self)
permission.delete_all_revisions()
# Update news log
content = "The group permissions of collection <b>" + self.name + "</b> were changed.\n" + \
"The group <b>" + group.group_name + "</b> has " + utils.enum.Permission.get_readable_permission(permission) + " access."
news = News(user=User.get_current_user(),
content=content,
collection=self)
news.save()
def update_user_permission(self, user, permission):
"""Grant the given user the given permission of this collection."""
if permission:
if UserPermission.objects.filter(user=user, collection=self):
p = UserPermission.objects.get(user=user, collection=self)
p.permission = permission
else:
p = UserPermission(user=user, collection=self, permission=permission)
p.save_all_revisions()
else:
p = UserPermission.objects.get(user=user, collection=self)
p.delete_all_revisions()
# Update news log
content = "The user permissions of collection <b>" + self.name + "</b> were changed.\n" + \
"The user <b>" + user.user_name + "</b> has " + utils.enum.Permission.get_readable_permission(permission) + " access."
news = News(user=User.get_current_user(),
content=content,
collection=self)
news.save()
def update_public_access(self, access):
"""Set public access to all revisions of the collection.
Parameter access is a boolean value."""
if(self.public_access!=access):
self.public_access = access
self.save()
for c in self.get_all_revisions():
c.public_access = access
c.save()
# Update news log
if access:
readable_access="public"
else:
readable_access="not public"
content = "The permissions of collection <b>" + self.name + "</b> were changed.\n" + \
"The collection is " + readable_access + "."
news = News(user=User.get_current_user(),
content=content,
collection=self)
news.save()
def push_local_revision(self, user, rel_path, prev_col, comment):
"""Push the local revision to the repository."""
prev_max_revision = Collection.objects.filter(identifier=prev_col.identifier).aggregate(Max('revision'))['revision__max']
# collection is at newest revision
if prev_col.revision == prev_max_revision:
# read description file
desc_parser = info.parse_description(user, rel_path)
# Create root directory and update it with the local revision
item = os.path.basename(rel_path)
root_dir = Directory(identifier=prev_col.directory.identifier,
revision=prev_col.revision+1,
name=item,
user_modified=user,
size=WebFolder.get_dir_size(user, rel_path))
root_dir.save()
info.create_traits(user, rel_path, root_dir.identifier, root_dir.revision)
root_dir.push_recursive(user, rel_path, prev_col.directory)
if root_dir.hash == prev_col.directory.hash:
root_dir.delete()
raise NoLocalChangesException()
else:
# Set collection attributes
self.identifier = prev_col.identifier
self.directory = root_dir
self.revision = prev_col.revision+1
self.save()
self.abstract = desc_parser.get_abstract()
self.details = desc_parser.get_details()
self.comment = comment
self.save()
for (key,value) in desc_parser.get_tags():
try:
tag = Tag.objects.get(key=key, value=value)
except ObjectDoesNotExist:
tag = Tag(key=key, value=value)
tag.save()
self.tags.add(tag)
# Set user access
UserPermission.update(self)
GroupPermission.update(self)
# Set user subscription
subscription = Subscription(collection=self,
user=user)
subscription.save()
# Update news log
content = "The collection <b>" + self.name + "</b> was updated to revision " + \
str(self.revision) + ".\n" + "<i><b>Comment:</b>\n" + self.comment + "</i>"
news = News(user=User.get_current_user(),
content=content,
collection=self)
news.save()
# collection is not at newest revision
else:
raise NotNewestRevisionException()
