views.py 11.7 KB
Newer Older
1
import copy
fred's avatar
fred committed
2
import csv
3
import datetime
fred's avatar
fred committed
4
from cStringIO import StringIO
fred's avatar
fred committed
5
import os
6
import tempfile
7

fred's avatar
fred committed
8 9 10
import mutagen

from django.core.files.storage import default_storage
11
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
12
from django.core.urlresolvers import reverse
fred's avatar
fred committed
13
from django.contrib import messages
14
from django.db.models import Q
15
from django.http import HttpResponse, HttpResponseRedirect
fred's avatar
fred committed
16
from django.utils.translation import ugettext_lazy as _
fred's avatar
fred committed
17
from django.views.generic.base import RedirectView, TemplateView
fred's avatar
fred committed
18
from django.views.generic.dates import DayArchiveView
fred's avatar
fred committed
19
from django.views.generic.detail import DetailView
fred's avatar
fred committed
20
from django.views.generic.edit import FormView
fred's avatar
fred committed
21
from django.views.generic.list import ListView
fred's avatar
fred committed
22

23
from .forms import UploadTracksForm, TrackMetaForm, TrackSearchForm, CleanupForm
fred's avatar
fred committed
24
from .models import SomaLogLine, Track, Artist, NonstopFile
fred's avatar
fred committed
25
from emissions.models import Nonstop
fred's avatar
fred committed
26 27 28 29 30 31

class SomaDayArchiveView(DayArchiveView):
    queryset = SomaLogLine.objects.all()
    date_field = "play_timestamp"
    make_object_list = True
    allow_future = False
32 33 34
    month_format = '%m'


fred's avatar
fred committed
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
class SomaDayArchiveCsvView(SomaDayArchiveView):
    def render_to_response(self, context, **response_kwargs):
        out = StringIO()
        writer = csv.writer(out)
        for line in context['object_list']:
            if line.filepath.track:
                writer.writerow([line.play_timestamp.strftime('%Y-%m-%d %H:%M'),
                    line.filepath.short.encode('utf-8', 'replace'),
                    line.filepath.track.title.encode('utf-8', 'replace'),
                    line.filepath.track.artist.name.encode('utf-8', 'replace'),
                    line.filepath.track.language,
                    line.filepath.track.instru and 'instru' or '',
                    line.filepath.track.cfwb and 'cfwb' or ''])
            else:
                writer.writerow([line.play_timestamp.strftime('%Y-%m-%d %H:%M'),
                                line.filepath.short.encode('utf-8', 'replace')])
51
        return HttpResponse(out.getvalue(), content_type='text/csv; charset=utf-8')
fred's avatar
fred committed
52 53


54 55 56 57 58 59 60
class RedirectTodayView(RedirectView):
    def get_redirect_url(self, *args, **kwargs):
        today = datetime.datetime.today()
        return reverse('archive_day', kwargs={
                        'year': today.year,
                        'month': today.month,
                        'day': today.day})
fred's avatar
fred committed
61 62 63 64


class TrackDetailView(DetailView):
    model = Track
fred's avatar
fred committed
65

66 67
    def get_context_data(self, **kwargs):
        ctx = super(TrackDetailView, self).get_context_data(**kwargs)
68
        ctx['metadata_form'] = TrackMetaForm(instance=self.object)
69 70 71
        return ctx

    def post(self, request, *args, **kwargs):
fred's avatar
fred committed
72
        assert self.request.user.has_perm('nonstop.add_track')
73 74
        instance = self.get_object()
        old_nonstop_zones = copy.copy(instance.nonstop_zones.all())
75 76
        form = TrackMetaForm(request.POST, instance=instance)
        form.save()
77 78 79 80 81
        new_nonstop_zones = self.get_object().nonstop_zones.all()
        if set(old_nonstop_zones) != set(new_nonstop_zones):
            instance.sync_nonstop_zones()
        return HttpResponseRedirect('.')

fred's avatar
fred committed
82 83 84

class ArtistDetailView(DetailView):
    model = Artist
fred's avatar
fred committed
85 86 87 88


class ArtistListView(ListView):
    model = Artist
fred's avatar
fred committed
89 90 91


class ZoneStats(object):
92
    def __init__(self, zone, from_date=None, until_date=None, **kwargs):
fred's avatar
fred committed
93
        self.zone = zone
94 95 96 97 98 99 100
        self.qs = Track.objects.filter(nonstop_zones=self.zone, **kwargs)
        self.from_date = from_date
        if from_date:
            self.qs = self.qs.filter(nonstopfile__somalogline__play_timestamp__gte=from_date)
        if until_date:
            self.qs = self.qs.filter(nonstopfile__somalogline__play_timestamp__lte=until_date)
        self.qs = self.qs.distinct()
fred's avatar
fred committed
101 102

    def count(self, **kwargs):
103
        return self.qs.filter(**kwargs).count()
fred's avatar
fred committed
104 105 106 107 108

    def percentage(self, **kwargs):
        total = self.count()
        if total == 0:
            return '-'
109
        return '%.2f%%' % (100. * self.count(**kwargs) / total)
fred's avatar
fred committed
110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128

    def instru(self):
        return self.count(instru=True)

    def instru_percentage(self):
        return self.percentage(instru=True)

    def sabam(self):
        return self.count(sabam=True)

    def sabam_percentage(self):
        return self.percentage(sabam=True)

    def cfwb(self):
        return self.count(cfwb=True)

    def cfwb_percentage(self):
        return self.percentage(cfwb=True)

fred's avatar
fred committed
129 130 131 132 133 134 135
    def french(self):
        return self.count(language='fr')

    def french_percentage(self):
        considered_tracks = self.count() - self.instru()
        if considered_tracks == 0:
            return '-'
136
        return '%.2f%%' % (100. * self.french() / considered_tracks)
fred's avatar
fred committed
137

138 139 140 141 142 143 144 145 146 147 148 149
    def new_files(self):
        return self.count(nonstopfile__creation_timestamp__gte=self.from_date)

    def percent_new_files(self):
        return self.percentage(nonstopfile__creation_timestamp__gte=self.from_date)


def parse_date(date):
    if date.endswith('d'):
        return datetime.datetime.today() + datetime.timedelta(int(date.rstrip('d')))
    return datetime.datetime.strptime(date, '%Y-%m-%d').date()

fred's avatar
fred committed
150 151 152 153 154 155
class StatisticsView(TemplateView):
    template_name = 'nonstop/statistics.html'

    def get_context_data(self, **kwargs):
        context = super(StatisticsView, self).get_context_data(**kwargs)
        context['zones'] = Nonstop.objects.all().order_by('start')
156 157 158 159 160 161 162 163
        kwargs = {}
        if 'from' in self.request.GET:
            kwargs['from_date'] = parse_date(self.request.GET['from'])
            context['from_date'] = kwargs['from_date']
        if 'until' in self.request.GET:
            kwargs['until_date'] = parse_date(self.request.GET['until'])
        if 'onair' in self.request.GET:
            kwargs['nonstopfile__somalogline__on_air'] = True
fred's avatar
fred committed
164
        for zone in context['zones']:
165
            zone.stats = ZoneStats(zone, **kwargs)
fred's avatar
fred committed
166
        return context
fred's avatar
fred committed
167 168 169 170 171 172 173 174


class UploadTracksView(FormView):
    form_class = UploadTracksForm
    template_name = 'nonstop/upload.html'
    success_url = '.'

    def post(self, request, *args, **kwargs):
fred's avatar
fred committed
175
        assert self.request.user.has_perm('nonstop.add_track')
fred's avatar
fred committed
176 177 178 179 180 181 182 183
        form_class = self.get_form_class()
        form = self.get_form(form_class)
        tracks = request.FILES.getlist('tracks')
        if not form.is_valid():
            return self.form_invalid(form)
        missing_metadata = []
        metadatas = {}
        for f in tracks:
184 185 186 187
            with tempfile.NamedTemporaryFile(prefix='track-upload') as tmpfile:
                tmpfile.write(f.read())
                f.seek(0)
                metadata = mutagen.File(tmpfile.name, easy=True)
fred's avatar
fred committed
188 189 190 191 192 193 194 195 196
            if not metadata or not metadata.get('artist') or not metadata.get('title'):
                missing_metadata.append(f.name)
            else:
                metadatas[f.name] = metadata
        if missing_metadata:
            form.add_error('tracks', _('Missing metadata in: ') + ', '.join(missing_metadata))
            return self.form_invalid(form)

        for f in tracks:
197 198 199 200
            metadata = metadatas[f.name]
            artist_name = metadata.get('artist')[0]
            track_title = metadata.get('title')[0]

fred's avatar
fred committed
201
            monthdir = datetime.datetime.today().strftime('%Y-%m')
202 203 204 205 206 207
            filepath = '%s/%s - %s - %s%s' % (monthdir,
                datetime.datetime.today().strftime('%y%m%d'),
                artist_name[:50].replace('/', ' ').strip(),
                track_title[:80].replace('/', ' ').strip(),
                os.path.splitext(f.name)[-1])

fred's avatar
fred committed
208
            default_storage.save(os.path.join('nonstop', 'tracks', filepath), content=f)
209

fred's avatar
fred committed
210 211
            nonstop_file = NonstopFile()
            nonstop_file.set_track_filepath(filepath)
212
            artist, created = Artist.objects.get_or_create(name=artist_name)
fred's avatar
fred committed
213 214
            track, created = Track.objects.get_or_create(title=track_title, artist=artist,
                    defaults={'uploader': self.request.user})
fred's avatar
fred committed
215 216 217 218 219
            nonstop_file.track = track
            nonstop_file.save()
            if request.POST.get('nonstop_zone'):
                track.nonstop_zones.add(
                        Nonstop.objects.get(id=request.POST.get('nonstop_zone')))
220
            nonstop_file.track.sync_nonstop_zones()
fred's avatar
fred committed
221 222 223

        messages.info(self.request, '%d new track(s)' % len(tracks))
        return self.form_valid(form)
224 225 226 227 228 229


class RecentTracksView(ListView):
    template_name = 'nonstop/recent_tracks.html'

    def get_queryset(self):
fred's avatar
fred committed
230
        return Track.objects.exclude(creation_timestamp__isnull=True).order_by('-creation_timestamp')[:50]
231 232

    def post(self, request, *args, **kwargs):
fred's avatar
fred committed
233
        assert self.request.user.has_perm('nonstop.add_track')
234 235 236 237 238 239 240 241
        for track_id in request.POST.getlist('track'):
            track = Track.objects.get(id=track_id)
            track.language = request.POST.get('lang-%s' % track_id, '')
            track.instru = 'instru-%s' % track_id in request.POST
            track.sabam = 'sabam-%s' % track_id in request.POST
            track.cfwb = 'cfwb-%s' % track_id in request.POST
            track.save()
        return HttpResponseRedirect('.')
fred's avatar
fred committed
242 243 244 245


class QuickLinksView(TemplateView):
    template_name = 'nonstop/quick_links.html'
fred's avatar
fred committed
246 247 248 249 250 251 252


class SearchView(TemplateView):
    template_name = 'nonstop/search.html'

    def get_context_data(self, **kwargs):
        ctx = super(SearchView, self).get_context_data(**kwargs)
253
        ctx['form'] = TrackSearchForm(self.request.GET)
254 255
        queryset = Track.objects.all()

fred's avatar
fred committed
256 257
        q = self.request.GET.get('q')
        if q:
258 259 260 261 262
            queryset = queryset.filter(Q(title__icontains=q.lower()) | Q(artist__name__icontains=q.lower()))

        zone = self.request.GET.get('zone')
        if zone:
            from emissions.models import Nonstop
263 264
            if zone == 'none':
                queryset = queryset.filter(nonstop_zones=None)
fred's avatar
fred committed
265 266
            elif zone == 'any':
                queryset = queryset.filter(nonstop_zones__isnull=False).distinct()
267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288
            else:
                queryset = queryset.filter(nonstop_zones=zone)

        qs = self.request.GET.copy()
        qs.pop('page', None)
        ctx['qs'] = qs.urlencode()

        order = self.request.GET.get('order_by') or 'title'
        if order:
            if 'added_to_nonstop_timestamp' in order:
                queryset = queryset.filter(added_to_nonstop_timestamp__isnull=False)
            queryset = queryset.order_by(order)

        tracks = Paginator(queryset.select_related(), 20)

        page = self.request.GET.get('page')
        try:
            ctx['tracks'] = tracks.page(page)
        except PageNotAnInteger:
            ctx['tracks'] = tracks.page(1)
        except EmptyPage:
            ctx['tracks'] = tracks.page(tracks.num_pages)
289

fred's avatar
fred committed
290
        return ctx
291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309


class CleanupView(TemplateView):
    template_name = 'nonstop/cleanup.html'

    def get_context_data(self, **kwargs):
        ctx = super(CleanupView, self).get_context_data(**kwargs)
        ctx['form'] = CleanupForm()

        zone = self.request.GET.get('zone')
        if zone:
            from emissions.models import Nonstop
            ctx['zone'] = Nonstop.objects.get(id=zone)
            ctx['count'] = Track.objects.filter(nonstop_zones=zone).count()
            ctx['tracks'] = Track.objects.filter(nonstop_zones=zone).order_by(
                            'added_to_nonstop_timestamp').select_related()[:30]
        return ctx

    def post(self, request, *args, **kwargs):
fred's avatar
fred committed
310
        assert self.request.user.has_perm('nonstop.add_track')
311 312 313 314 315 316 317 318 319 320
        count = 0
        for track_id in request.POST.getlist('track'):
            if request.POST.get('remove-%s' % track_id):
                track = Track.objects.get(id=track_id)
                track.nonstop_zones.clear()
                track.sync_nonstop_zones()
                count += 1
        if count:
            messages.info(self.request, 'Removed %d new track(s)' % count)
        return HttpResponseRedirect('.')