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# -*- coding: utf-8 -*-
from django.core.context_processors import csrf
from django.shortcuts import render_to_response
from django.http import HttpResponse
from django import forms
from models import Master, Standby, State
from program.models import TimeSlot
import json
import time
from datetime import datetime
DB = 'nop'
MUSIKPROG_IDS = (1,12,17,34,60,81,89)
# 1 - unmodieriertes musikprogramm
# 12 - aus den freien radios
# 17 - bumbumtschak
# 34 - fruehstück A
# 60 - musikprogramm bunt gemischt
# 81 - selchfleisch
# 89 - styrian underground
class NopForm(forms.Form):
date = forms.DateField(
required=True,
initial=datetime.date(datetime.now()),
widget=forms.DateInput(
format='%Y-%m-%d',
attrs={'id':'nop_date', 'class':'date'})
)
time = forms.TimeField(
required=True,
initial=datetime.time(datetime.now()),
widget=forms.TimeInput(
format='%H:%M',
attrs={'id':'nop_time', 'class':'date'})
)
def _dtstring(dt):
return time.strftime('%Y-%m-%d %H:%M', dt)
def _which(timestamp=None):
if timestamp:
res = State.objects.using(DB).filter(timestamp__lt=timestamp)[0]
else:
res = State.objects.using(DB).all()[0]
if not res or res.state == 'master':
return Master
else:
return Standby
def _get_show(datetime = None):
try:
if datetime:
timeslot = TimeSlot.objects.get(start__lte=datetime, end__gt=datetime)
else:
timeslot = TimeSlot.objects.get_or_create_current()
return {'start': _dtstring(timeslot.start.timetuple()),
'id': timeslot.show.id,
'name': timeslot.show.name}
except: # e.g. DoesNotExist
return {'start': None, 'id': None, 'name': None}
def _current():
#current = int(time.time())*1000000
#time.gmtime(_which().objects.using(DB).all()[6000].timestamp//1000000)
# select all where timestamp < givenTS, get most recent one -> order DESC
artist = None
title = None
album = None
show = _get_show()
if show['id'] in MUSIKPROG_IDS:
# reverse sorted. get the first object = last played
result = _which().objects.using(DB).all()[0]
artist = result.artist
title = result.title
album = result.album
return {'show': show['name'],
'start': show['start'],
'artist': artist,
'title': title,
'album': album}
def _bydate(year=None, month=None, day=None, hour=None, minute=None):
#try:
#import pdb;pdb.set_trace()
show = _get_show(datetime(year, month, day, hour, minute))
if show['id'] and show['id'] not in MUSIKPROG_IDS:
return [{'show': show['name'],
'start': show['start'],
'artist': None,
'title': None,
'album': None}]
else:
# tm_year,tm_mon,tm_mday,tm_hour,tm_min,tm_sec,tm_wday,tm_yday,tm_isdst
ts = int(time.mktime((
int(year),
int(month),
int(day),
int(hour),
int(minute),0,0,0,-1))) * 1000000
result = _which(ts).objects.using(DB).filter(timestamp__lt=ts)[:5]
return [{'show': show['name'],
'start': _dtstring(time.localtime(item.timestamp//1000000)),
'artist': item.artist,
'title': item.title,
'album': item.album} for item in result]
#except: # all errors
# return None
def get_current(request):
response = json.dumps(_current())
return HttpResponse(response, mimetype='application/json')
#return HttpResponse(response, mimetype='text/plain')
def get(request, year=None, month=None, day=None, hour=None, minute=None):
response = json.dumps(_bydate(year, month, day, hour, minute))
return HttpResponse(response, mimetype='application/json')
#return HttpResponse(response, mimetype='text/plain')
def nop_form(request):
context = {}
# currently no csrf security for nicier forms
#context.update(csrf(request)) # in django template: {% csrf_token %}
date = None
time = None
if request.method == 'GET' and\
('date' in request.GET or 'time' in request.GET):
form = NopForm(request.GET)
if form.is_valid():
date = form.cleaned_data['date']
time = form.cleaned_data['time']
else:
form = NopForm()
if not date: date = datetime.date(datetime.now())
if not time: time = datetime.time(datetime.now())
result = _bydate(date.year, date.month, date.day, time.hour, time.minute)
context['nowplaying'] = result
context['form'] = form
return render_to_response('nop_form.html', context)
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