154 lines
6.6 KiB
Python
154 lines
6.6 KiB
Python
# old meeting models can be found in ../proceedings/models.py
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import pytz, datetime
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from django.db import models
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from django.conf import settings
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from timedeltafield import TimedeltaField
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from ietf.group.models import Group
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from ietf.person.models import Person
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from ietf.doc.models import Document
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from ietf.name.models import MeetingTypeName, TimeSlotTypeName, SessionStatusName, ConstraintName
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countries = pytz.country_names.items()
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countries.sort(lambda x,y: cmp(x[1], y[1]))
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timezones = [(name, name) for name in pytz.common_timezones]
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timezones.sort()
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class Meeting(models.Model):
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# number is either the number for IETF meetings, or some other
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# identifier for interim meetings/IESG retreats/liaison summits/...
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number = models.CharField(unique=True, max_length=64)
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type = models.ForeignKey(MeetingTypeName)
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# Date is useful when generating a set of timeslot for this meeting, but
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# is not used to determine date for timeslot instances thereafter, as
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# they have their own datetime field.
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date = models.DateField()
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city = models.CharField(blank=True, max_length=255)
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country = models.CharField(blank=True, max_length=2, choices=countries)
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# We can't derive time-zone from country, as there are some that have
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# more than one timezone, and the pytz module doesn't provide timezone
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# lookup information for all relevant city/country combinations.
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time_zone = models.CharField(blank=True, max_length=255, choices=timezones)
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venue_name = models.CharField(blank=True, max_length=255)
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venue_addr = models.TextField(blank=True)
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break_area = models.CharField(blank=True, max_length=255)
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reg_area = models.CharField(blank=True, max_length=255)
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def __str__(self):
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return "IETF-%s" % (self.number)
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def time_zone_offset(self):
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return pytz.timezone(self.time_zone).localize(datetime.datetime.combine(self.date, datetime.time(0, 0))).strftime("%z")
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def get_meeting_date (self,offset):
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return self.date + datetime.timedelta(days=offset)
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@classmethod
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def get_first_cut_off(cls):
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date = cls.objects.all().order_by('-date')[0].date
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offset = datetime.timedelta(days=settings.FIRST_CUTOFF_DAYS)
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return date - offset
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@classmethod
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def get_second_cut_off(cls):
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date = cls.objects.all().order_by('-date')[0].date
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offset = datetime.timedelta(days=settings.SECOND_CUTOFF_DAYS)
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return date - offset
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@classmethod
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def get_ietf_monday(cls):
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date = cls.objects.all().order_by('-date')[0].date
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return date + datetime.timedelta(days=-date.weekday(), weeks=1)
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# the various dates are currently computed
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def get_submission_start_date(self):
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return self.date + datetime.timedelta(days=settings.SUBMISSION_START_DAYS)
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def get_submission_cut_off_date(self):
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return self.date + datetime.timedelta(days=settings.SUBMISSION_CUTOFF_DAYS)
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def get_submission_correction_date(self):
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return self.date + datetime.timedelta(days=settings.SUBMISSION_CORRECTION_DAYS)
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class Room(models.Model):
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meeting = models.ForeignKey(Meeting)
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name = models.CharField(max_length=255)
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def __unicode__(self):
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return self.name
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class TimeSlot(models.Model):
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"""
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Everything that would appear on the meeting agenda of a meeting is
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mapped to a time slot, including breaks. Sessions are connected to
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TimeSlots during scheduling. A template function to populate a
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meeting with an appropriate set of TimeSlots is probably also
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needed.
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"""
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meeting = models.ForeignKey(Meeting)
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type = models.ForeignKey(TimeSlotTypeName)
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name = models.CharField(max_length=255)
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time = models.DateTimeField()
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duration = TimedeltaField()
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location = models.ForeignKey(Room, blank=True, null=True)
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show_location = models.BooleanField(default=True, help_text="Show location in agenda")
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session = models.ForeignKey('Session', null=True, blank=True, help_text=u"Scheduled session, if any")
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modified = models.DateTimeField(default=datetime.datetime.now)
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def __unicode__(self):
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location = self.get_location()
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if not location:
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location = "(no location)"
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return u"%s: %s-%s %s, %s" % (self.meeting.number, self.time.strftime("%m-%d %H:%M"), (self.time + self.duration).strftime("%H:%M"), self.name, location)
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def get_location(self):
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location = self.location
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if location:
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location = location.name
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elif self.type_id == "reg":
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location = self.meeting.reg_area
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elif self.type_id == "break":
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location = self.meeting.break_area
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if not self.show_location:
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location = ""
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return location
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class Constraint(models.Model):
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"""Specifies a constraint on the scheduling between source and
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target, e.g. some kind of conflict."""
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meeting = models.ForeignKey(Meeting)
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source = models.ForeignKey(Group, related_name="constraint_source_set")
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target = models.ForeignKey(Group, related_name="constraint_target_set")
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name = models.ForeignKey(ConstraintName)
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def __unicode__(self):
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return u"%s %s %s" % (self.source, self.name.name.lower(), self.target)
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class Session(models.Model):
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"""Session records that a group should have a session on the
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meeting (time and location is stored in a TimeSlot) - if multiple
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timeslots are needed, multiple sessions will have to be created.
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Training sessions and similar are modeled by filling in a
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responsible group (e.g. Edu team) and filling in the name"""
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meeting = models.ForeignKey(Meeting)
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name = models.CharField(blank=True, max_length=255, help_text="Name of session, in case the session has a purpose rather than just being a group meeting")
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group = models.ForeignKey(Group) # The group type determines the session type. BOFs also need to be added as a group.
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attendees = models.IntegerField(null=True, blank=True)
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agenda_note = models.CharField(blank=True, max_length=255)
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requested = models.DateTimeField(default=datetime.datetime.now)
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requested_by = models.ForeignKey(Person)
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requested_duration = TimedeltaField()
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comments = models.TextField()
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status = models.ForeignKey(SessionStatusName)
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scheduled = models.DateTimeField(null=True, blank=True)
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modified = models.DateTimeField(default=datetime.datetime.now)
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materials = models.ManyToManyField(Document, blank=True)
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def __unicode__(self):
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timeslots = self.timeslot_set.order_by('time')
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return u"%s: %s %s" % (self.meeting, self.group.acronym, timeslots[0].time.strftime("%H%M") if timeslots else "(unscheduled)")
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