blechreiz-website/eventplanner/views.py

from django.shortcuts import render, get_object_or_404
from django.http import HttpResponse

from models import Event, EventParticipation
from musicians.models import Musician

from serializers import ParticipationSerializer

import datetime


from rest_framework.decorators import api_view
from rest_framework.response import Response
from rest_framework import status
from django.forms.models import ModelForm



# ---------------------------------------- API ---------------------------------------------------------




@api_view( ['GET', 'PUT'] )
def event_participation_detail( request, username = None, eventId = None ):
    # TODO Permissions!
    try:
        participationQs =  EventParticipation.objects.filter( event__date__gte = datetime.date.today() )
        if username:
            participationQs = EventParticipation.objects.filter( musician__user__username = username ) 
        if eventId:
            participationQs = participationQs.filter( event__pk = eventId )
        
    except EventParticipation.DoesNotExist:
        return HttpResponse( status=404)
       
    
    if request.method == 'GET':
        serializer = ParticipationSerializer( participationQs )
        return Response( serializer.data )
    
    elif request.method == 'PUT':
        serializer = ParticipationSerializer ( participationQs, data = request.DATA, many=True )
        if  serializer.is_valid():
            serializer.save()
            return Response( serializer.data )
        else:
            return Response( status = status.HTTP_400_BAD_REQUEST )
        
    





# ------------------------------------ Normal Views ----------------------------------------------------




def eventplanning_view( request ):
    """
        View for a specific user, to edit his events
    """
    # All events in the future sorted by date
    all_future_events = list ( Event.objects.filter( date__gte = datetime.date.today() ) )
    
    
    musician = get_object_or_404( Musician, user=request.user )
    
    for e in all_future_events:
        e.participation = EventParticipation.objects.get( event = e, musician = musician )
        
    context = { 'events' : all_future_events }
    return render ( request, 'eventplanner/eventplanning_view.html', context )

    


def events_grid( request ):
    
    musicians     = Musician.objects.all()
    musicianNames = [ m.user.username for m in musicians  ]
    
    
    all_future_events = list ( Event.objects.filter( date__gte = datetime.date.today() ) )

    for e in all_future_events:
        e.participation = [ EventParticipation.objects.get( event = e, musician = m ) for m in musicians ]
    
    # Sort the participations in a dict
    #for p in participationQs:
    #    username = p.musician.user.username
    #    eventId  = p.event.pk
    #    if not eventId in grid:
    #        grid[eventId] = {}
    #         
    #    grid[eventId][username] = p

    
    context = { 'events':         all_future_events, 
                'musicianNames' : musicianNames     }
    return render ( request, 'eventplanner/events_grid.html', context )





from django.views.generic.edit import UpdateView


class EventForm( ModelForm ):
    class Meta:
        model = Event
        fields= ['title', 'date','time','type']

class EventUpdate( UpdateView ):
    form_class = EventForm
    model = Event    
    template_name_suffix = "_update_form"
    success_url = '/events/grid'