def __init__(self):
self.controller = FacultyController()
class FacultyApplication:
def __init__(self):
self.controller = FacultyController()
def run(self):
"""
Method runs the main loop of the application.
In each iteration, it provides a prompt and waits
for the user input. It then validates it and sometimes
does what it's told.
"""
while True:
# print(self.controller.repository)
self.command = self.getInput(bold('> '))
# NULL COMMAND
if self.command == '':
continue
self.commandArgs = self.command.split()[1:]
self.command = self.command.split()[0]
# UNRECOGNIZED COMMAND
if not self.command in SETTINGS['validCommands']:
print("%s: command not found. Try '%s'." % (self.command, bold('help')))
continue
# ARGUMENT COUNT CHECK
if not len(self.commandArgs) in SETTINGS['neededArgs'][self.command]:
print("%s: <%s> takes %s arguments (%s provided)." %
(
error("Error"),
bold(self.command),
bold(SETTINGS['neededArgs'][self.command]),
bold(len(self.commandArgs))
)
)
continue
# HELP
if self.command == 'help':
print(STRINGS['helpPrompt'])
# ADD
elif self.command == 'add':
self.showAddSubmenu()
# LIST
elif self.command == 'list':
print(bold('Students:'))
for x in self.controller.getCurrentStudents():
print(x)
print('\n%s' % bold('Assignments:'))
for x in self.controller.getCurrentAssignments():
print(x)
# UNDO
elif self.command == 'undo':
self.controller.undo()
# REDO
elif self.command == 'redo':
self.controller.redo()
# CLEAR
elif self.command == 'clear':
clear()
# EXIT
elif self.command == 'exit':
self.controller.exitApplication()
def getInput(self, prompt=None):
return input(prompt if prompt else '')
def showAddSubmenu(self):
while True:
try:
self.addType = self.getInput("Student or Assignment? ")
assert self.addType.lower() in ['student', 'assignment', 's', 'a']
if self.addType.lower() in ['student', 's']:
self.showAddStudentSubmenu()
else:
self.showAddAssignmentSubmenu()
return
except AssertionError:
continue
def showAddStudentSubmenu(self):
print("You chose to add a student.")
while True:
try:
self.newStudentID = int(self.getInput("ID: "))
assert 0 < self.newStudentID
break
except:
continue
while True:
try:
self.newStudentName = self.getInput("Name: ")
assert self.newStudentName != ''
break
except:
continue
while True:
try:
self.newStudentGroup = int(self.getInput("Group: "))
assert 0 < self.newStudentGroup
break
except:
continue
self.controller.addStudent(
Student(
self.newStudentID,
self.newStudentName,
self.newStudentGroup
)
)
def showAddAssignmentSubmenu(self):
print("You chose to add an assignment.")
while True:
try:
self.newAssignmentStudentID = int(self.getInput("ID: "))
assert self.controller.studentIDExists(self.newAssignmentStudentID)
break
except AssertionError:
print("%s: the assignment must be assigned to an existing user." % error("Error"))
except:
continue
self.newAssignmentDescription = self.getInput("Description: ")
self.newAssignmentDeadline = self.getInput("Deadline: ")
while True:
try:
self.newAssignmentGrade = float(self.getInput("Grade: "))
assert 1.0 <= self.newAssignmentGrade and self.newAssignmentGrade <= 10.0
break
except AssertionError:
print("%s: the grade must be between %s and %s." %
(
error("Error"),
bold("1.0"),
bold("10.0")
)
)
except:
continue
self.controller.addAssignment(
Assignment(
self.newAssignmentStudentID,
self.newAssignmentDescription,
self.newAssignmentDeadline,
self.newAssignmentGrade
)
)
