summaryrefslogtreecommitdiff
path: root/nop/views.py
blob: a8d7084c7a055694e4421243247ec0cb5e922766 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
# coding=utf-8

from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned
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,    # unmodieriertes musikprogramm
    17,   # bumbumtschak
    203,  # Hotel Passage
    204,  # Radyo Mezopotamya
    206,  # Abunda Lingva
    290,  # styrian underground
    523   # Songbirds
)

SPECIAL_PROGRAM_IDS = (
    66,   # Probebühne
    374   # musikprogramm bunt gemischt
)


class NopForm(forms.Form):
    date = forms.DateField(
        required=True,
        widget=forms.DateInput(
            format='%Y-%m-%d',
            attrs={'id': 'nop_date', 'class': 'date'}))
    time = forms.TimeField(
        required=True,
        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()
    except (ObjectDoesNotExist, MultipleObjectsReturned):
        return {'start': None, 'id': None, 'name': None}
    else:
        try:
            note = timeslot.note
        except ObjectDoesNotExist:
            note = None

        return {'start': _dtstring(timeslot.start.timetuple()),
                'id': timeslot.show.id,
                'name': timeslot.show.name,
                'note': note}


def _current():
    artist = None
    title = None
    album = None
    show = _get_show()

    if show['id'] in MUSIKPROG_IDS \
            or (show['id'] in SPECIAL_PROGRAM_IDS and not show['note']):
        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):
    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:
        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]


def get_current(request):
    response = json.dumps(_current())
    return HttpResponse(response, mimetype='application/json')


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')


def nop_form(request):
    context = {}
    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(initial={'date': datetime.date(datetime.now()),
                                'time': datetime.time(datetime.now())})

    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)