mirror of
https://codeberg.org/Mo8it/AdvLabDB.git
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252 lines
9.9 KiB
Python
252 lines
9.9 KiB
Python
"""
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See the file DB.drawio for the design of the database. It can be opened in the internet browser with the website:
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https://app.diagrams.net
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For more information about the implementation, see the part to Models in the documentation of Flask-SQLAlchemy:
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https://flask-sqlalchemy.palletsprojects.com/en/2.x/models/
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"""
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# Imports
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from flask import flash, has_request_context
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from flask_security.models.fsqla_v2 import FsRoleMixin, FsUserMixin
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# Importing the database instance
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from advlabdb import db
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from advlabdb.configUtils import getConfig
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class Student(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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student_number = db.Column(db.Integer, nullable=False, unique=True)
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first_name = db.Column(db.String(100), nullable=False)
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last_name = db.Column(db.String(100), nullable=False)
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uni_email = db.Column(db.String(200), nullable=False, unique=True)
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contact_email = db.Column(db.String(200), unique=True)
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bachelor_thesis = db.Column(db.String, nullable=True)
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bachelor_thesis_work_group = db.Column(db.String, nullable=True)
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note = db.Column(db.Text, nullable=True)
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part_students = db.relationship("PartStudent", backref="student", lazy=True)
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def repr(self):
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return f"{self.first_name} {self.last_name}"
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def __repr__(self):
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return f"<STD {self.repr()}>"
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class PartStudent(db.Model):
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# A student doing a specific part
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id = db.Column(db.Integer, primary_key=True)
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final_part_mark = db.Column(db.Float, nullable=True)
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student_id = db.Column(db.Integer, db.ForeignKey("student.id"), nullable=False)
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part_id = db.Column(db.Integer, db.ForeignKey("part.id"), nullable=False)
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group_id = db.Column(db.Integer, db.ForeignKey("group.id"), nullable=True)
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experiment_marks = db.relationship("ExperimentMark", backref="part_student", lazy=True)
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def repr(self):
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return f"{self.student.repr()} {self.part.repr()}"
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def __repr__(self):
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return f"<PARTSTD {self.repr()}>"
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class Group(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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number = db.Column(db.Integer, nullable=False)
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part_id = db.Column(db.Integer, db.ForeignKey("part.id"), nullable=False)
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part_students = db.relationship("PartStudent", backref="group", lazy=True)
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group_experiments = db.relationship("GroupExperiment", backref="group", lazy=True)
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def repr(self):
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return f"{self.number} {self.part.repr()}"
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def __repr__(self):
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return f"<GR {self.repr()}>"
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class GroupExperiment(db.Model):
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# An experiment specified to a group
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id = db.Column(db.Integer, primary_key=True)
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semester_experiment_id = db.Column(db.Integer, db.ForeignKey("semester_experiment.id"), nullable=False)
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group_id = db.Column(db.Integer, db.ForeignKey("group.id"), nullable=False)
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appointments = db.relationship("Appointment", backref="group_experiment", lazy=True)
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experiment_marks = db.relationship("ExperimentMark", backref="group_experiment", lazy=True)
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def repr(self):
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return f"SemExp {self.semester_experiment.repr()}; Gr {self.group.repr()}"
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def __repr__(self):
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return f"<GREXP {self.repr()}>"
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def checkAndInit(semester_experiment, group):
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for partStudent in group.part_students:
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student = partStudent.student
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for partStudent in student.part_students:
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for experimentMark in partStudent.experiment_marks:
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if (
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experimentMark.group_experiment.semester_experiment.experiment == semester_experiment.experiment
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): # TODO Check if passed
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raise Exception(
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f"{student} has already done {semester_experiment.experiment} in {partStudent.part}!"
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)
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for groupExperiment in group.group_experiments:
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if groupExperiment.semester_experiment == semester_experiment: # TODO: What if did not pass?
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raise Exception(f"{group} already has {semester_experiment}!")
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return GroupExperiment(semester_experiment=semester_experiment, group=group)
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class Experiment(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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number = db.Column(db.Integer, nullable=False, unique=True)
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name = db.Column(db.String(200), nullable=False)
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description = db.Column(db.Text, nullable=True)
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wiki_link = db.Column(db.String(200), nullable=True)
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room = db.Column(db.String(100), nullable=False)
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building = db.Column(db.String(100), nullable=False)
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responsibility = db.Column(db.String(200), nullable=True)
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duration_in_days = db.Column(db.Integer, nullable=False)
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active = db.Column(db.Boolean, nullable=False, default=True)
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oral_weighting = db.Column(db.Float, nullable=False)
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protocol_weighting = db.Column(db.Float, nullable=False)
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final_weighting = db.Column(db.Float, nullable=False)
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semester_experiments = db.relationship("SemesterExperiment", backref="experiment", lazy=True)
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def repr(self):
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return f"{self.number}"
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def __repr__(self):
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return f"<EXP {self.repr()}>"
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# Helper table for the many to many relationship between Assistant and SemesterExperiment
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experiment_assistant = db.Table(
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"experiment_assistant",
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db.Column("semester_experiment_id", db.Integer, db.ForeignKey("semester_experiment.id"), primary_key=True),
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db.Column("assistant_id", db.Integer, db.ForeignKey("assistant.id"), primary_key=True),
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)
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class SemesterExperiment(db.Model):
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# An experiment in a specific part
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id = db.Column(db.Integer, primary_key=True)
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experiment_id = db.Column(db.Integer, db.ForeignKey("experiment.id"), nullable=False)
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semester_id = db.Column(db.Integer, db.ForeignKey("semester.id"), nullable=False)
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assistants = db.relationship(
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"Assistant", secondary=experiment_assistant, lazy=True, backref=db.backref("semester_experiments", lazy=True)
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)
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group_experiments = db.relationship("GroupExperiment", backref="semester_experiment", lazy=True)
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def repr(self):
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return f"{self.experiment.repr()} {self.semester.repr()}"
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def __repr__(self):
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return f"<SEMEXP {self.repr()}>"
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class Assistant(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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first_name = db.Column(db.String(100), nullable=False)
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last_name = db.Column(db.String(100), nullable=False)
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email = db.Column(db.String(200), nullable=False)
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phone_number = db.Column(db.String(50), nullable=True)
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mobile_phone_number = db.Column(db.String(50), nullable=True)
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room = db.Column(db.String(100), nullable=True)
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building = db.Column(db.String(100), nullable=True)
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user_id = db.Column(db.Integer, db.ForeignKey("user.id"), nullable=False)
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appointments = db.relationship("Appointment", backref="assistant", lazy=True)
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experiment_marks = db.relationship("ExperimentMark", backref="assistant", lazy=True)
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def repr(self):
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return f"{self.first_name} {self.last_name}"
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def __repr__(self):
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return f"<ASST: {self.repr()}>"
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class Appointment(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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date = db.Column(db.Date, nullable=False) # To be specified with the python package "datetime"
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special = db.Column(db.Boolean, nullable=False) # In the break or not
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group_experiment_id = db.Column(db.Integer, db.ForeignKey("group_experiment.id"), nullable=False)
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assistant_id = db.Column(db.Integer, db.ForeignKey("assistant.id"), nullable=False)
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def repr(self):
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return f"{self.date} {self.group_experiment.repr()}"
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def __repr__(self):
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return f"<APPT {self.repr()}>"
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class Part(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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label = db.Column(db.String(100), nullable=False) # A/1, A/2, B/1, B/2
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semester_id = db.Column(db.Integer, db.ForeignKey("semester.id"), nullable=False)
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part_students = db.relationship("PartStudent", backref="part", lazy=True)
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groups = db.relationship("Group", backref="part", lazy=True)
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def repr(self):
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return f"{self.label} {self.semester.repr()}"
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def __repr__(self):
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return f"<PART {self.repr()}>"
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class Semester(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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label = db.Column(db.String(100), nullable=False, unique=True) # WS2122 for example
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parts = db.relationship("Part", backref="semester", lazy=True)
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semester_experiments = db.relationship("SemesterExperiment", backref="semester", lazy=True)
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def repr(self):
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return f"{self.label}"
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def __repr__(self):
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return f"<SEM {self.repr()}>"
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def transferPartsFrom(self, oldSemester):
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if oldSemester:
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partLabels = [part.label for part in oldSemester.parts]
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else:
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partLabels = getConfig("defaultPartLabels")
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for partLabel in partLabels:
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db.session.add(Part(label=partLabel, semester=self))
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class ExperimentMark(db.Model):
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# A mark for a student after a specific experiment
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id = db.Column(db.Integer, primary_key=True)
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oral_mark = db.Column(db.Float, nullable=True)
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protocol_mark = db.Column(db.Float, nullable=True)
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part_student_id = db.Column(db.Integer, db.ForeignKey("part_student.id"), nullable=False)
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group_experiment_id = db.Column(db.Integer, db.ForeignKey("group_experiment.id"), nullable=False)
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assistant_id = db.Column(
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db.Integer, db.ForeignKey("assistant.id"), nullable=True
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) # The assistant who gave the mark
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def repr(self):
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return f"Oral {round(self.oral_mark, 1)}; Prot {round(self.protocol_mark, 1)}"
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def __repr__(self):
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return f"<EXPMARL {self.repr()}>"
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class User(db.Model, FsUserMixin):
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assistant = db.relationship("Assistant", backref="user", lazy=True, uselist=False)
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active_semester_id = db.Column(db.Integer, nullable=True)
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def repr(self):
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return f"{self.email}"
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def __repr__(self):
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return f"<USR {self.repr()}>"
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class Role(db.Model, FsRoleMixin):
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def repr(self):
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return f"{self.name}"
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def __repr__(self):
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return f"<ROLE {self.repr()}>"
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