X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/891c65c58eef499c1ffc3a5fe690e1b6bff0f0db..b0fadf2591f3af957c1c8e0307d0bcef9e9f8538:/src/catalogue/models/book.py

diff --git a/src/catalogue/models/book.py b/src/catalogue/models/book.py
index f002158a3..85cfd63b9 100644
--- a/src/catalogue/models/book.py
+++ b/src/catalogue/models/book.py
@@ -414,6 +414,21 @@ class Book(models.Model):
     has_daisy_file.short_description = 'DAISY'
     has_daisy_file.boolean = True
 
+    def has_sync_file(self):
+        return self.has_media("sync")
+
+    def get_sync(self):
+        with self.get_media('sync').first().file.open('r') as f:
+            sync = f.read().split('\n')
+        offset = float(sync[0])
+        items = []
+        for line in sync[1:]:
+            if not line:
+                continue
+            start, end, elid = line.split()
+            items.append([elid, float(start) + offset])
+        return json.dumps(items)
+    
     def has_audio_epub_file(self):
         return self.has_media("audio.epub")