Add init_db script

init_db.py

@@ -0,0 +1,125 @@
+import sys
+from pathlib import Path
+
+from flask_security import hash_password
+
+from advlabdb import app, db, user_datastore
+from advlabdb.independent_funs import randomPassword
+from advlabdb.models import MAX_YEAR, MIN_YEAR, Admin, Semester
+
+scripts_dir = Path(__file__).parent.absolute() / "scripts"
+
+sys.path.insert(0, str(scripts_dir))
+
+from shared import box
+
+
+def validating_input(prompt, options):
+    prompt += " ["
+    for opt in options[:-1]:
+        prompt += opt + "/"
+
+    prompt += options[-1] + "]: "
+
+    lowered_options = [opt.lower() for opt in options]
+
+    ans = input(prompt).lower()
+    while ans not in lowered_options:
+        print("Invalid input!")
+        ans = input(prompt).lower()
+
+    return ans
+
+
+def validating_formatting_input(prompt, format_function, check_constraints_function):
+    ans = None
+    first_run = True
+
+    while ans is None or not check_constraints_function(ans):
+        if not first_run:
+            print("Invalid input!")
+        else:
+            first_run = False
+
+        try:
+            ans = format_function(input(prompt))
+        except Exception as ex:
+            pass
+
+    return ans
+
+
+def confirm(prompt):
+    ans = validating_input(prompt, ("y", "n"))
+
+    if ans == "y":
+        return True
+    else:
+        return False
+
+
+def main():
+    print("This script should only be used to initialize the database after setting up a server")
+    print("The old database will be DELETED and a new database will be created.")
+    if not confirm("Are you sure that you want to continue?"):
+        print("Aborted!")
+        return
+
+    # Delete old database
+    db.drop_all()
+    # Create new database
+    db.create_all()
+
+    semester_label = validating_input("Enter the label of the current semester", ("SS", "WS"))
+
+    semester_year = validating_formatting_input(
+        "Enter the year of the current semester:",
+        lambda n_str: int(n_str),
+        lambda n: MIN_YEAR <= n <= MAX_YEAR,
+    )
+
+    semester = Semester.customInit(label=semester_label, year=semester_year)
+
+    db.session.add(semester)
+
+    adminRole = user_datastore.create_role(name="admin")
+    assistantRole = user_datastore.create_role(name="assistant")
+
+    box("The first admin account will now be created")
+
+    admin_email = input("Enter the admin's email address: ")
+    admin_first_name = input("Enter the admin's first name: ")
+    admin_last_name = input("Enter the admin's last name: ")
+    admin_phone_number = input("Enter the admin's phone number (optional): ")
+    admin_mobile_phone_number = input("Enter the admin's mobile phone number (optional): ")
+    admin_building = input("Enter the admin's building (optional): ")
+    admin_room = input("Enter the admin's room (optional): ")
+
+    admin_password = randomPassword()
+    admin_hashed_password = hash_password(admin_password)
+
+    admin_user = user_datastore.create_user(
+        email=admin_email.strip(),
+        password=admin_hashed_password,
+        roles=[adminRole],
+        first_name=admin_first_name.strip(),
+        last_name=admin_last_name.strip(),
+        phone_number=admin_phone_number.strip() or None,
+        mobile_phone_number=admin_mobile_phone_number.strip() or None,
+        building=admin_building.strip() or None,
+        room=admin_room.strip() or None,
+    )
+
+    admin = Admin(user=admin_user)
+
+    db.session.add(admin)
+
+    db.session.commit()
+
+    box("Admin password:", admin_password)
+
+    print("Done! Successfull database initialization.")
+
+
+if __name__ == "__main__":
+    main()