class RequestManager:
def __init__(self):
self.__systemManager = SystemManager()
def processRequest(self, request):
if not type(request) is dict:
return Messages.invalidRequest
elif not 'type' in request:
return Messages.invalidRequest
elif not 'login' in request or not 'password' in request:
return Messages.invalidRequest
elif request['type'] == 'REGISTER':
if not self.__systemManager.createClient(request['login'],
request['password']):
return Messages.loginExists
else:
return Messages.userCreated
elif not self.__systemManager.authenticate(request['login'],
request['password']):
return Messages.invalidLoginOrPassWord
elif request['type'] == 'AUTHENTICATE':
return Messages.authOk
elif request['type'].startswith('GET_ITEM'):
if not 'itemId' in request:
return Messages.invalidRequest
answer = False
if request['type'] == 'GET_ITEM_NAME':
answer = self.__systemManager.getItemName(
request['login'], request['itemId'])
elif request['type'] == 'GET_ITEM_DATA':
answer = self.__systemManager.getItemData(
request['login'], request['itemId'])
elif request['type'] == 'GET_ITEM_TYPE':
answer = self.__systemManager.getItemType(
request['login'], request['itemId'])
elif request['type'] == 'GET_ITEM_PARENT':
answer = self.__systemManager.getItemParentId(
request['login'], request['itemId'])
if type(answer) is bool and not answer:
return Messages.getError
else:
return dict(Messages.getOK, **{'answer': answer})
elif request['type'] == 'CREATE_FOLDER':
if not 'where' in request:
return Messages.invalidRequest
if not 'name' in request:
return Messages.invalidRequest
createdId = self.__systemManager.createFolder(
request['login'], request['name'], request['where'])
if type(createdId) is bool and not createdId:
return Messages.invalidRequest
return Messages.folderCreated
elif request['type'] == 'CREATE_FILE':
if not 'where' in request:
return Messages.invalidRequest
if not 'name' in request:
return Messages.invalidRequest
if not 'data' in request:
return Messages.invalidRequest
createdId = self.__systemManager.createFile(
request['login'], request['name'], request['data'],
request['where'])
if type(createdId) is bool and not createdId:
return Messages.invalidRequest
return Messages.fileCreated
elif request['type'] == 'GET_ROOT_FOLDER':
client = self.__systemManager.getClient(request['login'])
return dict(Messages.getOK, **{'answer': client.getRootFolder()})
elif request['type'] == 'GET_SHARED_FOLDER':
client = self.__systemManager.getClient(request['login'])
return dict(Messages.getOK, **{'answer': client.getSharedFolder()})
elif request['type'] == 'SHARE_ITEM':
if not 'itemId' in request or not 'toLogin' in request:
return Messages.invalidRequest
if not self.__systemManager.addPermission(
request['itemId'], request['login'], request['toLogin']):
return Messages.invalidRequest
else:
return Messages.permissionGiven
elif request['type'] == 'RENAME_ITEM':
if not 'itemId' in request or not 'newName' in request:
return Messages.invalidRequest
if not self.__systemManager.renameItem(
request['login'], request['itemId'], request['newName']):
return Messages.invalidRequest
else:
return Messages.itemRenamed
elif request['type'] == 'EDIT_FILE_DATA':
if not 'fileId' in request or not 'newData' in request:
return Messages.invalidRequest
if not self.__systemManager.editFileData(
request['login'], request['fileId'], request['newData']):
return Messages.invalidRequest
else:
return Messages.fileEdited
elif request['type'] == 'MOVE_ITEM':
if not 'itemId' in request or not 'newParent' in request:
return Messages.invalidRequest
if not self.__systemManager.moveItem(
request['login'], request['itemId'], request['newParent']):
return Messages.invalidRequest
else:
return Messages.itemMoved
else:
return Messages.invalidRequest
