Missing yt admin.

[audio.git] / src / youtube / models.py

diff --git a/src/youtube/models.py b/src/youtube/models.py
index 30b3006..6306a49 100644 (file)
--- a/src/youtube/models.py
+++ b/src/youtube/models.py
@@ -1,23 +1,30 @@
+import io
 from os import unlink
 from tempfile import NamedTemporaryFile
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 from django.template import Template, Context
+import requests
 from apiclient import youtube_call
 from .utils import (
-    video_from_image,
-    cut_video,
+    concat_audio,
     concat_videos,
+    cut_video,
     get_duration,
     get_framerate,
     mux,
+    standardize_video,
+    video_from_image,
 )
+from .thumbnail import create_thumbnail
 
 
 class YouTube(models.Model):
     title_template = models.CharField(max_length=1024, blank=True)
     description_template = models.TextField(blank=True)
     category = models.IntegerField(null=True, blank=True)  # get categories
+    intro_flac = models.FileField(upload_to='youtube/intro_flac', blank=True)
+    outro_flac = models.FileField(upload_to='youtube/outro_flac', blank=True)
     loop_card = models.FileField(upload_to='youtube/card', blank=True)
     loop_video = models.FileField(upload_to='youtube/loop_video', blank=True)
     thumbnail_template = models.FileField(upload_to='youtube/thumbnail', blank=True)
@@ -58,21 +65,42 @@ class YouTube(models.Model):
                 "POST",
                 "https://www.googleapis.com/upload/youtube/v3/videos",
                 params={'part': part},
-                data=data,
-                media_data=f.read(),
+                json=data,
+                resumable_data=f.read(),
             )
         data = response.json()
         audiobook.youtube_id = data['id']
         audiobook.save(update_fields=['youtube_id'])
+
+        self.update_thumbnail(audiobook)
         return response
 
     def prepare_file(self, input_path, output_path=None):
-        duration = get_duration(input_path)
+        audio = self.prepare_audio(input_path)
+        duration = self.get_duration(input_path)
         video = self.prepare_video(duration)
-        output = mux([video, input_path], output_path=output_path)
+        output = mux([video, audio], output_path=output_path)
+        unlink(audio)
         unlink(video)
         return output
 
+    def get_duration(self, input_path):
+        d = get_duration(input_path)
+        if self.intro_flac:
+            d += get_duration(self.intro_flac.path)
+        if self.outro_flac:
+            d += get_duration(self.outro_flac.path)
+        return d
+    
+    def prepare_audio(self, input_path):
+        files = []
+        if self.intro_flac:
+            files.append(self.intro_flac.path)
+        files.append(input_path)
+        if self.outro_flac:
+            files.append(self.outro_flac.path)
+        return concat_audio(files)
+    
     def prepare_video(self, duration):
         concat = []
         outro = []
@@ -80,25 +108,26 @@ class YouTube(models.Model):
 
         if self.loop_video:
             fps = get_framerate(self.loop_video.path)
+            loop_video = standardize_video(self.loop_video.path)
         else:
             fps = 25
 
         loop_duration = duration
-        for card in self.card_set.filter(order__lt=0, duration__gt=0):
+        for card in self.card_set.filter(duration__gt=0):
             loop_duration -= card.duration
             card_video = video_from_image(
                 card.image.path, card.duration, fps=fps
             )
             (concat if card.order < 0 else outro).append(card_video)
-            delete.append(intro)
+            delete.append(card_video)
 
         if self.loop_video:
-            loop_video_duration = get_duration(self.loop_video.path)
+            loop_video_duration = get_duration(loop_video)
             times_loop = int(loop_duration // loop_video_duration)
 
             leftover_duration = loop_duration % loop_video_duration
-            leftover = cut_video(self.loop_video.path, leftover_duration)
-            concat.extend([self.loop_video.path] * times_loop + [leftover])
+            leftover = cut_video(loop_video, leftover_duration)
+            concat.extend([loop_video] * times_loop + [leftover])
             delete.append(leftover)
         else:
             leftover = video_from_image(self.loop_card.path, loop_duration)
@@ -109,12 +138,38 @@ class YouTube(models.Model):
         output = concat_videos(concat)
         for p in delete:
             unlink(p)
+        unlink(loop_video)
         return output
 
     # tags
     # license
     # selfDeclaredMadeForKids
 
+    def update_thumbnail(self, audiobook):
+        thumbnail = self.prepare_thumbnail(audiobook)
+        response = youtube_call(
+            "POST",
+            "https://www.googleapis.com/upload/youtube/v3/thumbnails/set",
+            params={'videoId': audiobook.youtube_id},
+            data=thumbnail.getvalue(),
+        )
+
+    def prepare_thumbnail(self, audiobook):
+        slug = audiobook.url.rstrip('/').rsplit('/', 1)[-1]
+        apidata = requests.get(f'https://wolnelektury.pl/api/books/{slug}/').json()
+        img = create_thumbnail(
+            self.thumbnail_template.path,
+            self.thumbnail_definition,
+            {
+                "author": ', '.join((a['name'] for a in apidata['authors'])),
+                "title": apidata['title'],
+            },
+            lambda name: Font.objects.get(name=name).truetype.path
+        )
+        buf = io.BytesIO()
+        img.save(buf, format='PNG')
+        return buf
+        
 
 class Card(models.Model):
     youtube = models.ForeignKey(YouTube, models.CASCADE)
@@ -124,3 +179,11 @@ class Card(models.Model):
 
     class Meta:
         ordering = ('order', )
+
+
+class Font(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+    truetype = models.FileField(upload_to='youtube/font')
+
+    def __str__(self):
+        return self.name