Use BrokenForeignKey for some of the broken foreign keys in the old

proceeding models
 - Legacy-Id: 3281

Author: OleLaursen

ietf/proceedings/models.py

@@ -3,6 +3,7 @@
 from django.db import models
 from django.conf import settings
 from ietf.idtracker.models import Acronym, PersonOrOrgInfo, IRTF, AreaGroup, Area, IETFWG
+from ietf.utils.broken_foreign_key import BrokenForeignKey
 import datetime
 #from ietf.utils import log
 
@@ -188,7 +189,7 @@ class Meta:
 
 class NonSession(models.Model):
     non_session_id = models.AutoField(primary_key=True)
-    day_id = models.IntegerField(blank=True, null=True)
+    day_id = models.IntegerField(blank=True, null=True) # NULL means all days
     non_session_ref = models.ForeignKey(NonSessionRef)
     meeting = models.ForeignKey(Meeting, db_column='meeting_num')
     time_desc = models.CharField(blank=True, max_length=75)
@@ -363,18 +364,18 @@ class WgMeetingSession(models.Model, ResolveAcronym):
     ts_status_id = models.IntegerField(null=True, blank=True)
     requested_date = models.DateField(null=True, blank=True)
     approved_date = models.DateField(null=True, blank=True)
-    requested_by = models.ForeignKey(PersonOrOrgInfo, db_column='requested_by')
+    requested_by = BrokenForeignKey(PersonOrOrgInfo, db_column='requested_by', null=True, null_values=(0, 888888))
     scheduled_date = models.DateField(null=True, blank=True)
     last_modified_date = models.DateField(null=True, blank=True)
     ad_comments = models.TextField(blank=True,null=True)
     sched_room_id1 = models.ForeignKey(MeetingRoom, db_column='sched_room_id1', null=True, blank=True, related_name='here1')
-    sched_time_id1 = models.ForeignKey(MeetingTime, db_column='sched_time_id1', null=True, blank=True, related_name='now1')
+    sched_time_id1 = BrokenForeignKey(MeetingTime, db_column='sched_time_id1', null=True, blank=True, related_name='now1')
     sched_date1 = models.DateField(null=True, blank=True)
     sched_room_id2 = models.ForeignKey(MeetingRoom, db_column='sched_room_id2', null=True, blank=True, related_name='here2')
-    sched_time_id2 = models.ForeignKey(MeetingTime, db_column='sched_time_id2', null=True, blank=True, related_name='now2')
+    sched_time_id2 = BrokenForeignKey(MeetingTime, db_column='sched_time_id2', null=True, blank=True, related_name='now2')
     sched_date2 = models.DateField(null=True, blank=True)
     sched_room_id3 = models.ForeignKey(MeetingRoom, db_column='sched_room_id3', null=True, blank=True, related_name='here3')
-    sched_time_id3 = models.ForeignKey(MeetingTime, db_column='sched_time_id3', null=True, blank=True, related_name='now3')
+    sched_time_id3 = BrokenForeignKey(MeetingTime, db_column='sched_time_id3', null=True, blank=True, related_name='now3')
     sched_date3 = models.DateField(null=True, blank=True)
     special_agenda_note = models.CharField(blank=True, max_length=255)
     combined_room_id1 = models.ForeignKey(MeetingRoom, db_column='combined_room_id1', null=True, blank=True, related_name='here4')