eventoL/eventoL

from channels.binding.websockets import WebsocketBinding

from .models import (Activity, AttendeeAttendanceDate, Event,
                     EventUserAttendanceDate, Installation)


class ActivityBinding(WebsocketBinding):
    model = Activity
    stream = 'activities'
    fields = ['id']

    @classmethod
    def group_names(cls, instance):
        return ['activities-updates']

    def has_permission(self, user, action, pk):
        return True


class AttendeeAttendanceDateBinding(WebsocketBinding):
    model = AttendeeAttendanceDate
    stream = 'attendeeattendancedates'
    fields = ['id']

    @classmethod
    def group_names(cls, instance):
        return ['attendeeattendancedates-updates']

    def has_permission(self, user, action, pk):
        return True


class EventBinding(WebsocketBinding):
    model = Event
    stream = 'events'
    fields = ['id']

    @classmethod
    def group_names(cls, instance):
        return ['events-updates']

    def has_permission(self, user, action, pk):
        return True


class EventUserAttendanceDateBinding(WebsocketBinding):
    model = EventUserAttendanceDate
    stream = 'eventuserattendancedates'
    fields = ['id']

    @classmethod
    def group_names(cls, instance):
        return ['eventuserattendancedates-updates']

    def has_permission(self, user, action, pk):
        return True


class InstallationBinding(WebsocketBinding):
    model = Installation
    stream = 'installations'
    fields = ['id']

    @classmethod
    def group_names(cls, instance):
        return ['installations-updates']

    def has_permission(self, user, action, pk):
        return True