def id_to_path( par_id ):
'''Change parent id of a node in dbtree to name, description and label
of all antecedants. Direct parent is the last element in the list.'''
if par_id is None:
return []
db_tree = sqldb.get_db_tree()
# dict: id -> name
id_dict = dict( zip([ n['id'] for n in db_tree ], db_tree) )
# move to next parents to get their info until top parent is reached
path = []
parent_id = int( par_id )
while True:
parent = id_dict[ parent_id ]
path.append({
'name': parent['name'],
'description': parent['description'],
'label': None
})
try:
parent_id = int( parent['parent'] )
except:
break
path.reverse()
return path
def get_parent_id_tree():
flat_tree = sqldb.get_db_tree()
parent_id_tree = {}
for el in flat_tree:
try:
parent_id_tree[ el['parent'] ].append( el )
except KeyError:
parent_id_tree[ el['parent'] ] = [ el ]
return parent_id_tree
def get_parent_id_tree():
flat_tree = sqldb.get_db_tree()
parent_id_tree = {}
for el in flat_tree:
try:
parent_id_tree[el['parent']].append(el)
except KeyError:
parent_id_tree[el['parent']] = [el]
return parent_id_tree
def collection_data_validated( data ):
'''Check if collection with such a name and parent does not collide with
the other potential siblings.'''
db_tree = sqldb.get_db_tree()
parent_id = data['parents'][0]
siblings = filter( lambda e: e['parent'] == parent_id, db_tree )
name = data['name'] if len( data['parents'] ) == 1 else data['parents'][1]['name']
return name.encode('utf-8') not in [ sib['name'] for sib in siblings ]
def get_collections( req ):
'''Get the navigation tree for all database collections'''
# create a navigator for the db collections
format = req.GET.get( 'format', 'list' )
collections = []
if format == 'list':
collections = sqldb.get_db_tree()
else:
raise Exception('Bad format type')
return HttpResponse( json.dumps( collections ) )
def init_restore( request, id ):
'''Init application prepared to handle restore data'''
dbtree = sqldb.get_db_tree()
data = {
'dbtree': dbtree,
'id': id,
'endpoints': sqldb.get_permalink_endpoints( id )
}
return render_to_response( 'app.html', data )
def get_collections(req):
'''Get the navigation tree for all database collections'''
# create a navigator for the db collections
format = req.GET.get('format', 'list')
collections = []
if format == 'list':
collections = sqldb.get_db_tree()
else:
raise Exception('Bad format type')
return HttpResponse(json.dumps(collections))
def init_restore(request, id):
'''Init application prepared to handle restore data'''
dbtree = sqldb.get_db_tree()
data = {
'dbtree': dbtree,
'id': id,
'endpoints': sqldb.get_permalink_endpoints(id)
}
return render_to_response('app.html', data)
def get_search_count( uri, endpoint, query ):
if endpoint == 'all_endpoints':
db_tree = sqldb.get_db_tree()
endpoints = [ el['endpoint'] for el in db_tree if el['endpoint'] is not None ]
else:
endpoints = [ endpoint ]
data = sqldb.search_count( query, endpoints )
for result in data:
result['search_data_uri'] = create_search_uri( uri, result['endpoint'] )
return data
def get_search_count(uri, endpoint, query):
if endpoint == 'all_endpoints':
db_tree = sqldb.get_db_tree()
endpoints = [
el['endpoint'] for el in db_tree if el['endpoint'] is not None
]
else:
endpoints = [endpoint]
data = sqldb.search_count(query, endpoints)
for result in data:
result['search_data_uri'] = create_search_uri(uri, result['endpoint'])
return data
def get_endpoint_parents( endpoint ):
flat_tree = sqldb.get_db_tree()
id_tree = get_id_tree( flat_tree )
endpoint_id = filter( lambda el: el['endpoint'] == endpoint, flat_tree )[0]['id']
parents = []
act_node = id_tree[ endpoint_id ]
while act_node['parent'] is not None:
act_node = id_tree[ act_node['parent'] ]
parents.append({
'name': act_node['name'],
'descripition': act_node['description']
})
parents.reverse()
return parents
def get_endpoint_parents(endpoint):
flat_tree = sqldb.get_db_tree()
id_tree = get_id_tree(flat_tree)
endpoint_id = filter(lambda el: el['endpoint'] == endpoint,
flat_tree)[0]['id']
parents = []
act_node = id_tree[endpoint_id]
while act_node['parent'] is not None:
act_node = id_tree[act_node['parent']]
parents.append({
'name': act_node['name'],
'descripition': act_node['description']
})
parents.reverse()
return parents
