diff options
Diffstat (limited to 'program/models.py')
| -rw-r--r-- | program/models.py | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/program/models.py b/program/models.py new file mode 100644 index 0000000..5f0f835 --- /dev/null +++ b/program/models.py @@ -0,0 +1,297 @@ +from django.contrib.auth.models import User +from django.core.exceptions import ObjectDoesNotExist +from django.db import models +from django.utils.translation import ugettext_lazy as _ + +from datetime import date, datetime +from dateutil.relativedelta import relativedelta +from dateutil.rrule import rrule + +class BroadcastFormat(models.Model): + format = models.CharField(_("Format"), max_length=32) + slug = models.SlugField(_("Slug"), max_length=32, unique=True) + + class Meta: + ordering = ('format',) + verbose_name = _("Broadcast format") + verbose_name_plural = _("Broadcast formats") + + def __unicode__(self): + return u'%s' % self.format + +class ShowInformation(models.Model): + information = models.CharField(_("Information"), max_length=32) + abbrev = models.CharField(_("Abbreviation"), max_length=4, unique=True) + slug = models.SlugField(_("Slug"), max_length=32, unique=True) + + class Meta: + ordering = ('information',) + verbose_name = _("Show information") + verbose_name_plural = _("Show information") + + def __unicode__(self): + return u'%s' % self.information + +class ShowTopic(models.Model): + topic = models.CharField(_("Show topic"), max_length=32) + abbrev = models.CharField(_("Abbreviation"), max_length=4, unique=True) + slug = models.SlugField(_("Slug"), max_length=32, unique=True) + + class Meta: + ordering = ('topic',) + verbose_name = _("Show topic") + verbose_name_plural = _("Show topics") + + def __unicode__(self): + return u'%s' % self.topic + +class MusicFocus(models.Model): + focus = models.CharField(_("Focus"), max_length=32) + abbrev = models.CharField(_("Abbreviation"), max_length=4, unique=True) + slug = models.SlugField(_("Slug"), max_length=32, unique=True) + + class Meta: + ordering = ('focus',) + verbose_name = _("Music focus") + verbose_name_plural = _("Music focus") + + def __unicode__(self): + return u'%s' % self.focus + +class Host(models.Model): + name = models.CharField(_("Name"), max_length=128) + email = models.EmailField(_("E-Mail"), blank=True) + website = models.URLField(_("Website"), blank=True) + + class Meta: + ordering = ('name',) + verbose_name = _("Host") + verbose_name_plural = _("Hosts") + + def __unicode__(self): + return u'%s' % self.name + + @models.permalink + def get_absolute_url(self): + return ('host-detail', [str(self.id)]) + +class Show(models.Model): + predecessor = models.ForeignKey('self', blank=True, null=True, related_name='successors', verbose_name=_("Predecessor")) + hosts = models.ManyToManyField(Host, blank=True, null=True, related_name='shows', verbose_name=_("Hosts")) + owners = models.ManyToManyField(User, blank=True, null=True, related_name='shows', verbose_name=_("Owners")) + broadcastformat = models.ForeignKey(BroadcastFormat, related_name='shows', verbose_name=_("Broadcast format")) + showinformation = models.ManyToManyField(ShowInformation, blank=True, null=True, related_name='shows', verbose_name=_("Show information")) + showtopic = models.ManyToManyField(ShowTopic, blank=True, null=True, related_name='shows', verbose_name=_("Show topic")) + musicfocus = models.ManyToManyField(MusicFocus, blank=True, null=True, related_name='shows', verbose_name=_("Music focus")) + name = models.CharField(_("Name"), max_length=256) + slug = models.CharField(_("Slug"), max_length=255, unique=True) + image = models.ImageField(_("Image"), blank=True, null=True, upload_to='show_images') + short_description = models.CharField(_("Short description"), max_length=64) + description = models.TextField(_("Description")) + email = models.EmailField(_("E-Mail"), blank=True, null=True) + website = models.URLField(_("Website"), blank=True, null=True) + cba_series_id = models.IntegerField(_("CBA series ID"), blank=True, null=True) + created = models.DateTimeField(auto_now_add=True, editable=False) + last_updated = models.DateTimeField(auto_now=True, editable=False) + + class Meta: + ordering = ('slug',) + verbose_name = _("Show") + verbose_name_plural = _("Shows") + + def __unicode__(self): + return u'%s' % self.name + + @models.permalink + def get_absolute_url(self): + return ('show-detail', [self.slug]) + + def has_active_programslots(self): + return self.programslots.filter(until__gt=date.today()).count() > 0 + has_active_programslots.boolean = True + has_active_programslots.short_description = _("Has active program slots") + +class RRule(models.Model): + FREQ_CHOICES = ( + (1, _("Monthly")), + (2, _("Weekly")), + (3, _("Daily")), + ) + BYSETPOS_CHOICES = ( + (1, _("First")), + (2, _("Second")), + (3, _("Third")), + (4, _("Fourth")), + (5, _("Fifth")), + (-1, _("Last")), + ) + name = models.CharField(_("Name"), max_length=32, unique=True) + freq = models.IntegerField(_("Frequency"), choices=FREQ_CHOICES) + interval = models.IntegerField(_("Interval"), default=1) + bysetpos = models.IntegerField(_("Set position"), blank=True, choices=BYSETPOS_CHOICES, null=True) + count = models.IntegerField(_("Count"), blank=True, null=True) + + class Meta: + ordering = ('-freq', 'interval', 'bysetpos') + verbose_name = _("Recurrence rule") + verbose_name_plural = _("Recurrence rules") + + def __unicode__(self): + return u'%s' % self.name + +class ProgramSlot(models.Model): + BYWEEKDAY_CHOICES = ( + (0, _("Monday")), + (1, _("Tuesday")), + (2, _("Wednesday")), + (3, _("Thursday")), + (4, _("Friday")), + (5, _("Saturday")), + (6, _("Sunday")), + ) + rrule = models.ForeignKey(RRule, related_name='programslots', verbose_name=_("Recurrence rule")) + byweekday = models.IntegerField(_("Weekday"), choices=BYWEEKDAY_CHOICES) + show = models.ForeignKey(Show, related_name='programslots', verbose_name=_("Show")) + dstart = models.DateField(_("First date")) + tstart = models.TimeField(_("Start time")) + tend = models.TimeField(_("End time")) + until = models.DateField(_("Last date")) + is_repetition = models.BooleanField(_("Is repetition"), default=False) + created = models.DateTimeField(auto_now_add=True, editable=False) + last_updated = models.DateTimeField(auto_now=True, editable=False) + + class Meta: + ordering = ('dstart', 'tstart') + unique_together = ('rrule', 'byweekday', 'dstart', 'tstart') + verbose_name = _("Program slot") + verbose_name_plural = _("Program slots") + + def __unicode__(self): + weekday = self.BYWEEKDAY_CHOICES[self.byweekday][1] + tend = self.tend.strftime('%H:%M') + dstart = self.dstart.strftime('%d. %b %Y') + tstart = self.tstart.strftime('%H:%M') + + if self.rrule.freq == 0: + return u'%s, %s - %s' % (dstart, tstart, tend) + if self.rrule.freq == 3: + return u'%s, %s - %s' % (self.rrule, tstart, tend) + else: + return u'%s, %s, %s - %s' % (weekday, self.rrule, tstart, tend) + + def save(self, *args, **kwargs): + if not self.pk: + super(ProgramSlot, self).save(*args, **kwargs) + + if self.rrule.freq == 0: + byweekday_start = None + byweekday_end = None + elif self.rrule.freq == 3: + byweekday_start = (0, 1, 2, 3, 4, 5, 6) + byweekday_end = (0, 1, 2, 3, 4, 5, 6) + else: + byweekday_start = self.byweekday + + if self.tend < self.tstart: + byweekday_end = self.byweekday + 1 if self.byweekday < 6 else 0 + else: + byweekday_end = self.byweekday + + starts = list(rrule(freq=self.rrule.freq, + dtstart=datetime.combine(self.dstart, self.tstart), + interval=self.rrule.interval, + until=self.until+relativedelta(days=+1), + bysetpos=self.rrule.bysetpos, + byweekday=byweekday_start)) + ends = list(rrule(freq=self.rrule.freq, + dtstart=datetime.combine(self.dstart, self.tend), + interval=self.rrule.interval, + until=self.until+relativedelta(days=+1), + bysetpos=self.rrule.bysetpos, + byweekday=byweekday_end)) + + for k in range(len(starts)): + timeslot = TimeSlot(programslot=self, start=starts[k], end=ends[k]) + timeslot.save() + + def timeslot_count(self): + return self.timeslots.count() + timeslot_count.description = _("Time slot count") + +class TimeSlotManager(models.Manager): + def get_or_create_current(self): + try: + return TimeSlot.objects.get(start__lte=datetime.now(), end__gt=datetime.now()) + except ObjectDoesNotExist: + once = RRule.objects.get(pk=1) + today = date.today().weekday() + default = Show.objects.get(pk=1) + + previous = TimeSlot.objects.filter(end__lte=datetime.now()).order_by('-start')[0] + next = TimeSlot.objects.filter(start__gte=datetime.now())[0] + + dstart, tstart = previous.end.date(), previous.end.time() + until, tend = next.start.date(), next.start.time() + + new_programslot = ProgramSlot(rrule=once, byweekday=today, show=default, dstart=dstart, tstart=tstart, tend=tend, until=until) + new_programslot.save() + + return new_programslot.timeslots.all()[0] + +class TimeSlot(models.Model): + programslot = models.ForeignKey(ProgramSlot, related_name='timeslots', verbose_name=_("Program slot")) + start = models.DateTimeField(_("Start time"), unique=True) + end = models.DateTimeField(_("End time")) + show = models.ForeignKey(Show, editable=False) + + objects = TimeSlotManager() + + class Meta: + ordering = ('start', 'end') + verbose_name = _("Time slot") + verbose_name_plural = _("Time slots") + + def __unicode__(self): + start = self.start.strftime('%d. %b %Y %H:%M') + end = self.end.strftime('%H:%M') + + return u'%s: %s - %s' % (self.show, start, end) + + def save(self, *args, **kwargs): + self.show = self.programslot.show + super(TimeSlot, self).save(*args, **kwargs) + + @models.permalink + def get_absolute_url(self): + return ('timeslot-detail', [self.id]) + +class Note(models.Model): + STATUS_CHOICES = ( + (0, _("Cancellation")), + (1, _("Recommendation")), + (2, _("Repetition")), + ) + timeslot = models.OneToOneField(TimeSlot, verbose_name=_("Time slot")) + owner = models.ForeignKey(User, related_name='notes', verbose_name=_("Owner")) + title = models.CharField(_("Title"), max_length=128) + content = models.TextField(_("Content")) + status = models.IntegerField(_("Status"), choices=STATUS_CHOICES, default=1) + cba_entry_id = models.IntegerField(_("CBA entry ID"), blank=True, null=True) + start = models.DateTimeField(editable=False) + show = models.ForeignKey(Show, editable=False) + created = models.DateTimeField(auto_now_add=True, editable=False) + last_updated = models.DateTimeField(auto_now=True, editable=False) + + class Meta: + ordering = ('timeslot',) + verbose_name = _("Note") + verbose_name_plural = _("Notes") + + def __unicode__(self): + return u'%s - %s' % (self.title, self.timeslot) + + def save(self, *args, **kwargs): + self.start = self.timeslot.start + self.show = self.timeslot.programslot.show + + super(Note, self).save(*args, **kwargs) |