setup update 3

app/forms/reservation.py

@@ -1,19 +1,40 @@
 from flask_wtf import FlaskForm
-from wtforms import StringField, SelectField, IntegerField, TextAreaField, SubmitField, DateTimeLocalField
-from wtforms.validators import DataRequired, NumberRange, Length, Optional
+from wtforms import SelectField, StringField, TextAreaField, IntegerField, SubmitField, DateTimeLocalField
+from wtforms.validators import DataRequired, Length, NumberRange, Optional, ValidationError
+from datetime import datetime, timedelta
 
 class ReservationForm(FlaskForm):
     classroom_id = SelectField('Classroom', coerce=int, validators=[DataRequired()])
-    commission_id = SelectField('Commission', coerce=int, validators=[DataRequired()])
+    commission_id = SelectField('Commission/Subject', coerce=int, validators=[DataRequired()])
     start_time = DateTimeLocalField('Start Time', format='%Y-%m-%dT%H:%M', validators=[DataRequired()])
     end_time = DateTimeLocalField('End Time', format='%Y-%m-%dT%H:%M', validators=[DataRequired()])
     purpose = StringField('Purpose', validators=[
         DataRequired(),
-        Length(max=500, message='Purpose must be less than 500 characters')
+        Length(min=3, max=500)
     ])
     expected_attendees = IntegerField('Expected Attendees', validators=[
         DataRequired(),
-        NumberRange(min=1, max=200, message='Number of attendees must be between 1 and 200')
+        NumberRange(min=1, max=500)
     ])
-    notes = TextAreaField('Notes', validators=[Optional(), Length(max=1000)])
-    submit = SubmitField('Save Reservation')
+    notes = TextAreaField('Notes', validators=[
+        Optional(),
+        Length(max=1000)
+    ])
+    submit = SubmitField('Make Reservation')
+    
+    def validate_end_time(self, field):
+        if field.data <= self.start_time.data:
+            raise ValidationError('End time must be after start time.')
+        
+        # Check if duration is reasonable (max 8 hours)
+        if field.data > self.start_time.data + timedelta(hours=8):
+            raise ValidationError('Reservation cannot exceed 8 hours.')
+    
+    def validate_start_time(self, field):
+        # Don't allow reservations in the past
+        if field.data < datetime.now():
+            raise ValidationError('Start time cannot be in the past.')
+        
+        # Don't allow reservations too far in the future (max 3 months)
+        if field.data > datetime.now() + timedelta(days=90):
+            raise ValidationError('Reservations cannot be made more than 3 months in advance.')