def convertJSONToList(itemType: type, jsonObject):
list = json.loads(jsonObject)
newList = []
newItem = None
for item in list:
if itemType is Student:
newItem = Student(
TypeParser.parseInt(item["studentId"], InvalidStudentId),
item["name"],
TypeParser.parseInt(item["group"], InvalidStudentGroup))
StudentValidator.validateStudent(newItem)
elif itemType is Grade:
newItem = Grade(
TypeParser.parseInt(item["studentId"], InvalidStudentId),
TypeParser.parseInt(item["assignmentId"],
InvalidAssignmentId), item["grade"])
GradeValidator.validateGrade(newItem)
elif itemType is Assignment:
newItem = Assignment(
TypeParser.parseInt(item["assignmentId"],
InvalidAssignmentId),
item["description"],
TypeParser.parseDate(item["deadline"],
InvalidAssignmentDeadline))
AssignmentValidator.validateAssignment(newItem)
newList.append(newItem)
return newList
def findAssignment(self, assignmentId: int) -> Assignment:
"""
Searches an assignment and returns it if found. Raises InvalidAssignmentId otherwise
"""
assignment = Assignment(assignmentId)
foundAssignment = self.__assignmentRepository.getItem(assignment)
if foundAssignment is None:
raise AssignmentIdNotFound
return foundAssignment
def addAssignment(self, assignmentId: int, description: str,
deadline: datetime.date) -> Assignment:
"""
Adds an assignment to the repository
"""
assignment = Assignment(assignmentId, description, deadline)
AssignmentValidator.validateAssignment(assignment)
self.__assignmentRepository.addItem(assignment)
self.__changesStack.addChange(ChangesStack.ItemAdded(assignment),
newCommit=True)
return assignment
def convertTuples(tupleList: List[Tuple], itemType: type):
newList = []
newItem = None
for item in tupleList:
if itemType is Student:
newItem = Student(item[0], item[1], item[2])
elif itemType is Grade:
newItem = Grade(item[0], item[1], item[2] if item[2] != "NULL" else None)
elif itemType is Assignment:
newItem = Assignment(item[0], item[1], TypeParser.parseDate(item[2], InvalidAssignmentDeadline))
newList.append(newItem)
return newList
def assignmentToStr(assignment: Assignment):
deadline = ManageAssignmentsMenu.dateToStr(assignment.getDeadline())
return str(assignment.getAssignmentId()
) + " - " + assignment.getDescription() + " - " + deadline
def validateAssignment(assignment: Assignment):
AssignmentValidator.validateId(assignment.getAssignmentId())
AssignmentValidator.validateDescription(assignment.getDescription())
AssignmentValidator.validateDeadline(assignment.getDeadline())