def find_by_id(self, id):
result = None
cursor = self._cnx.cursor()
command = "SELECT id, creation_time, name, matriculation_nr, course_abbr FROM student WHERE id={}".format(
id)
cursor.execute(command)
tuples = cursor.fetchall()
if tuples[0] is not None:
(id, creation_time, name, matriculation_nr,
course_abbr) = tuples[0]
student = Student()
student.set_id(id)
student.set_creation_time(creation_time)
student.set_name(name)
student.set_matriculation_nr(matriculation_nr)
student.set_course_abbr(course_abbr)
result = student
self._cnx.commit()
cursor.close()
return result
def find_by_mail(self, email):
result = None
cursor = self._cnx.cursor()
command = "SELECT * FROM student WHERE email LIKE '%{}%'".format(email)
cursor.execute(command)
tuples = cursor.fetchall()
try:
(id, creation_time, name, matriculation_nr, course_abbr, email,
google_user_id) = tuples[0]
student = Student()
student.set_id(id)
student.set_creation_time(creation_time)
student.set_name(name)
student.set_matriculation_nr(matriculation_nr)
student.set_course_abbr(course_abbr)
student.set_email(email)
student.set_google_user_id(google_user_id)
result = student
except IndexError:
result = None
self._cnx.commit()
cursor.close()
return result
def find_student_by_course_abbr(self, course_abbr):
result = None
cursor = self._cnx.cursor()
command = "SELECT id, creation_time, name, matriculation_nr, course_abbr FROM student WHERE course_abbr={}".format(
course_abbr)
cursor.execute(command)
tuples = cursor.fetchall()
try:
(id, creation_time, name, matriculation_nr,
course_abbr) = tuples[0]
student = Student()
student.set_id(id)
student.set_creation_time(creation_time)
student.set_name(name)
student.set_matriculation_nr(matriculation_nr)
student.set_course_abbr(course_abbr)
result = student
except IndexError:
result = None
self._cnx.commit()
cursor.close()
return result
def create_student(self, creation_time, name, matriculation_nr,
course_abbr):
"""Einen Studenten anlegen"""
student = Student()
student.set_creation_time(creation_time)
student.set_name(name)
student.set_matriculation_nr(matriculation_nr)
student.set_course_abbr(course_abbr)
student.set_id(1)
with StudentMapper() as mapper:
return mapper.insert(student)
def find_all(self):
result = []
cursor = self._cnx.cursor()
cursor.execute(
"SELECT id, creation_time, name, matriculation_nr, course_abbr FROM student"
)
tuples = cursor.fetchall()
for (id, creation_time, name, matriculation_nr, course_abbr) in tuples:
student = Student()
student.set_id(id)
student.set_creation_time(creation_time)
student.set_name(name)
student.set_matriculation_nr(matriculation_nr)
student.set_course_abbr(course_abbr)
result.append(student)
self._cnx.commit()
cursor.close()
return result