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https://codeberg.org/Mo8it/AdvLabDB.git
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69 lines
2 KiB
Python
69 lines
2 KiB
Python
# Functions dependent on advlabdb.models
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from flask import flash, url_for
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from flask_admin.menu import MenuLink
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from flask_security import current_user
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from sqlalchemy import select
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from . import app, db
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from .models import Semester
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def sortedSemestersStartingWithNewest(limit=0):
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# Inserting an older semester is not allowed!
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# Therefore, the id is enough.
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stmt = select(Semester).order_by(Semester.id.desc())
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if limit > 0:
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stmt = stmt.limit(limit)
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return db.session.execute(stmt).scalars()
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def lastSemester():
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return sortedSemestersStartingWithNewest(limit=1).first()
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def setUserActiveSemester(semester):
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if semester is None:
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flash(f"Can not change the active semester to None!", "error")
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return
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if current_user.active_semester != semester:
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try:
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current_user.active_semester = semester
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db.session.commit()
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except Exception as ex:
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flash(str(ex), "error")
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db.session.rollback()
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else:
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flash(f"Active semester changed to {semester.repr()}!", "warning")
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def initActiveSemesterMenuLinks(space):
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with app.app_context():
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try:
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semesters = sortedSemestersStartingWithNewest()
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for semester in semesters:
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space.add_link(
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MenuLink(
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name=semester.repr(),
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url=url_for("set_semester") + "?semester_id=" + str(semester.id),
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category="Active semester",
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)
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)
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except Exception as ex:
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print(
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"ERROR: The Semester table does not exist yet! Therefore, menu links could not be generated. You can ignore this error if you are just initializing the database."
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)
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else:
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space.add_link(MenuLink(name="Logout", url=url_for("security.logout")))
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def reportBadAttempt(message):
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print("BAD ATTEMPT:", message) # TODO: Log
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def get_count(table):
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return db.session.scalar(select(func.count()).select_from(table))
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