Off by one error.
[audio.git] / src / archive / models.py
index d76ed99..1dbb701 100644 (file)
@@ -1,15 +1,29 @@
+import io
 import json
+from os import unlink
 import os.path
+from urllib.parse import urljoin
 
 from django.db import models
 from time import sleep
+from django.contrib.sites.models import Site
 from django.utils.functional import cached_property
+from django.utils.timezone import now
 from django.utils.translation import gettext_lazy as _
 from django_pglocks import advisory_lock
 import requests
 from archive.constants import status
-from archive.settings import FILES_SAVE_PATH, ADVERT, LICENSE, ORGANIZATION, PROJECT
+from archive.settings import FILES_SAVE_PATH, ADVERT, ORGANIZATION, PROJECT
 from archive.utils import OverwriteStorage, sha1_file
+from youtube.utils import concat_audio, standardize_audio
+
+
+class License(models.Model):
+    uri = models.CharField(max_length=255, unique=True)
+    name = models.CharField(max_length=255)
+
+    def __str__(self):
+        return self.name
 
 
 class Project(models.Model):
@@ -18,6 +32,13 @@ class Project(models.Model):
     name = models.CharField(max_length=128, unique=True, db_index=True, verbose_name="Nazwa")
     sponsors = models.TextField(blank=True, null=True, verbose_name="Sponsorzy")
     description = models.TextField(blank=True, verbose_name="Opis")
+    private_notes = models.TextField(blank=True, verbose_name="Prywatne notatki")
+    config = models.ForeignKey('Config', models.PROTECT)
+    can_sell = models.BooleanField(default=True, verbose_name="Do sprzedaży")
+    required_license = models.ForeignKey('License', models.PROTECT, blank=True, null=True, verbose_name='Wymagana licencja')
+    youtube = models.ForeignKey('youtube.YouTube', models.PROTECT)
+    icon = models.FileField(upload_to='archive/project', blank=True, null=True)
+    info_flac = models.FileField(upload_to='archive/info_flac', blank=True)
 
     class Meta:
         verbose_name = _("project")
@@ -35,16 +56,42 @@ class Project(models.Model):
             " finansowanego przez %s" % self.sponsors if self.sponsors else "",
         )
 
+    def get_icon_url(self):
+        if not self.icon:
+            return ''
+        return urljoin(
+            'https://' + Site.objects.get_current().domain,
+            self.icon.url
+        )
+
 
-class Piece(models.Model):
+class Config(models.Model):
     name = models.CharField(max_length=255)
-    source_file = models.FileField(upload_to='piece')
-    is_outro = models.BooleanField(default=False)
-    min_audiobook_duration = models.IntegerField(default=0)
+    intro_flac = models.FileField(upload_to='config/intro_flac', blank=True)
+    intro_min_seconds = models.IntegerField()
+    outro_flac = models.FileField(upload_to='config/outro_flac', blank=True)
+    outro_min_seconds = models.IntegerField()
+
+    class Meta:
+        verbose_name = _("Configuration")
+        verbose_name_plural = _("Configurations")
 
     def __str__(self):
         return self.name
 
+    def prepare_audio(self, audiobook):
+        total_duration = audiobook.total_duration
+        files = []
+        if self.intro_flac and total_duration > self.intro_min_seconds and audiobook.is_first:
+            files.append(standardize_audio(self.intro_flac.path))
+        files.append(standardize_audio(audiobook.source_file.path))
+        if self.outro_flac and total_duration > self.outro_min_seconds and audiobook.is_last:
+            files.append(standardize_audio(self.outro_flac.path))
+        output = concat_audio(files)
+        for d in files:
+            unlink(d)
+        return output
+
 
 def source_upload_to(intance, filename):
     return os.path.join(FILES_SAVE_PATH, filename) # FIXME: what about really long file names?
@@ -54,42 +101,44 @@ class Audiobook(models.Model):
     source_file = models.FileField(upload_to=source_upload_to, max_length=255, 
             verbose_name=_('source file'), editable=False)
     source_sha1 = models.CharField(max_length=40, editable=False)
+    duration = models.FloatField(null=True, editable=False)
 
     title = models.CharField(max_length=255, verbose_name=_('title'))
     part_name = models.CharField(max_length=255, verbose_name=_('part name'), help_text=_('eg. chapter in a novel'),
                                  default='', blank=True)
-    index = models.IntegerField(verbose_name=_('index'), default=0)
-    parts_count = models.IntegerField(verbose_name=_('parts count'), default=1)
+    index = models.IntegerField(verbose_name=_('index'), default=0, help_text=_('Ordering of parts of a book.'))
+    youtube_volume = models.CharField(
+        _("Volume name for YouTube"),
+        max_length=100,
+        blank=True,
+        help_text=_(
+            "If set, audiobooks with the save value will be published as single YouTube video."
+        ),
+    )
     artist = models.CharField(max_length=255, verbose_name=_('artist'))
     conductor = models.CharField(max_length=255, verbose_name=_('conductor'))
     encoded_by = models.CharField(max_length=255, verbose_name=_('encoded by'))
     date = models.CharField(max_length=255, verbose_name=_('date'))
     project = models.ForeignKey(Project, models.PROTECT, verbose_name=_('project'))
-    url = models.URLField(max_length=255, verbose_name=_('book url'))
+    slug = models.SlugField(max_length=120, blank=True, help_text=_('WL catalogue slug of the book.'))
     translator = models.CharField(max_length=255, null=True, blank=True, verbose_name=_('translator'))
     modified = models.DateTimeField(null=True, editable=False)
+    license = models.ForeignKey(License, models.PROTECT, null=True, blank=True, verbose_name=_('license'))
+    license_secondary = models.ForeignKey(License, models.PROTECT, null=True, blank=True, verbose_name=_('secondary license'), related_name='secondary')
 
     # publishing process
     mp3_status = models.SmallIntegerField(null=True, editable=False, choices=status.choices)
-    mp3_task = models.CharField(max_length=64, null=True, editable=False)
-    mp3_tags = models.TextField(null=True, editable=False)
     mp3_file = models.FileField(null=True, upload_to='archive/final', storage=OverwriteStorage(), editable=False)
-    mp3_published_tags = models.TextField(null=True, editable=False)
     mp3_published = models.DateTimeField(null=True, editable=False)
 
     ogg_status = models.SmallIntegerField(null=True, editable=False, choices=status.choices)
-    ogg_task = models.CharField(max_length=64, null=True, editable=False)
-    ogg_tags = models.TextField(null=True, editable=False)
     ogg_file = models.FileField(null=True, upload_to='archive/final', storage=OverwriteStorage(), editable=False)
-    ogg_published_tags = models.TextField(null=True, editable=False)
     ogg_published = models.DateTimeField(null=True, editable=False)
 
     youtube_status = models.SmallIntegerField(null=True, editable=False, choices=status.choices)
-    youtube_task = models.CharField(max_length=64, null=True, editable=False)
-    youtube_tags = models.TextField(null=True, editable=False)
-    youtube_published_tags = models.TextField(null=True, editable=False)
     youtube_published = models.DateTimeField(null=True, editable=False)
     youtube_id = models.CharField(max_length=255, blank=True, default='')
+    youtube_queued = models.DateTimeField(null=True, blank=True)
 
     class Meta:
         verbose_name = _("audiobook")
@@ -99,16 +148,72 @@ class Audiobook(models.Model):
     def __str__(self):
         return self.title
 
-    def get_mp3_tags(self): return json.loads(self.mp3_tags) if self.mp3_tags else None
-    def get_ogg_tags(self): return json.loads(self.ogg_tags) if self.ogg_tags else None
-    def get_mp3_published_tags(self): return json.loads(self.mp3_published_tags) if self.mp3_published_tags else None
-    def get_ogg_published_tags_tags(self): return json.loads(self.ogg_published_tags) if self.ogg_published_tags else None
-    def set_mp3_tags(self, tags): self.mp3_tags = json.dumps(tags)
-    def set_ogg_tags(self, tags): self.ogg_tags = json.dumps(tags)
+    @property
+    def url(self):
+        return f'https://wolnelektury.pl/katalog/lektura/{self.slug}/'
+
+    @property
+    def parts_count(self):
+        return type(self).objects.filter(slug=self.slug).count()
+
+    @property
+    def total_duration(self):
+        return type(self).objects.filter(slug=self.slug).aggregate(s=models.Sum('duration'))['s']
+
+    @property
+    def is_first(self):
+        return not type(self).objects.filter(slug=self.slug, index__lte=self.index).exclude(pk=self.pk).exists()
+
+    @property
+    def is_last(self):
+        return not type(self).objects.filter(slug=self.slug, index__gte=self.index).exclude(pk=self.pk).exists()
+    
+    @property
+    def youtube_volume_count(self):
+        total = 0
+        prev_volume = None
+        for a in type(self).objects.filter(slug=self.slug).order_by("index"):
+            if not a.youtube_volume or a.youtube_volume != prev_volume:
+                total += 1
+            prev_volume = a.youtube_volume
+        return total
+
+    @property
+    def youtube_volume_index(self):
+        index = 0
+        prev_volume = None
+        for a in type(self).objects.filter(slug=self.slug, index__lte=self.index).order_by("index"):
+            if not a.youtube_volume or a.youtube_volume != prev_volume:
+                index += 1
+            prev_volume = a.youtube_volume
+        return index
+
+    @property
+    def is_youtube_publishable(self):
+        return (
+            not self.youtube_volume
+            or not type(self)
+            .objects.filter(slug=self.slug, youtube_volume=self.youtube_volume, index__lt=self.index)
+            .exists()
+        )
+
+    def youtube_publish(self):
+        if not self.is_youtube_publishable:
+            return False
+        self.youtube_status = status.QUEUED
+        self.youtube_queued = now()
+        self.save(update_fields=['youtube_status', 'youtube_queued'])
 
     def published(self):
         return self.mp3_published and self.ogg_published
 
+    def publish(self, user, publish=True):
+        from . import tasks
+        self.mp3_status = self.ogg_status = status.WAITING
+        self.save(update_fields=['mp3_status', 'ogg_status'])
+        tasks.Mp3Task.delay(user.id, self.pk, publish=publish).task_id
+        tasks.OggTask.delay(user.id, self.pk, publish=publish).task_id
+
     def get_source_sha1(self):
         assert self.pk or self.source_sha1
         if not self.source_sha1:
@@ -123,8 +228,11 @@ class Audiobook(models.Model):
         if self.translator:
             title += ' (tłum. %s)' % self.translator
 
-        copyright = "%s %s. Licensed to the public under %s verify at %s" % (
-                self.date, ORGANIZATION, LICENSE, self.url)
+        copyright = "%s %s." % (
+                self.date, ORGANIZATION)
+        if self.license:
+            copyright += " Licensed to the public under %s verify at %s" % (
+                self.license.uri, self.url)
 
         comment = "\n".join((
             self.project.get_description(),
@@ -142,21 +250,42 @@ class Audiobook(models.Model):
             'date': self.date,
             'genre': 'Speech',
             'language': 'pol',
-            'license': LICENSE,
             'organization': ORGANIZATION,
             'title': title,
             'project': self.project.name,
         }
+        if self.license:
+            tags['license'] = self.license.uri
         if self.project.sponsors:
             tags['funded_by'] = self.project.sponsors
 
-        if self.source_sha1:
-            tags['flac_sha1'] = self.source_sha1
+        tags['flac_sha1'] = self.get_source_sha1()
+
         return tags
 
+    def prepare_audio(self):
+        return self.project.config.prepare_audio(self)
+    
     @cached_property
     def book(self):
-        slug = self.url.rstrip('/').rsplit('/', 1)[-1]
-        apidata = requests.get(f'https://wolnelektury.pl/api/books/{slug}/').json()
+        if self.slug:
+            apidata = requests.get(f'https://wolnelektury.pl/api/books/{self.slug}/').json()
+        else:
+            return {}
         return apidata
 
+    @property
+    def document(self):
+        from librarian.document import WLDocument, parser
+        from lxml import etree
+
+        xml_url = self.book.get('xml', None)
+        if xml_url is None:
+            return None
+
+        return WLDocument(url=xml_url)
+
+    @property
+    def cover(self):
+        from librarian.cover import LogoWLCover
+        return LogoWLCover(self.document.meta).output_file.get_bytes()