add missing fields

src/backend/db.py

@@ -95,14 +95,19 @@ CREATE_ELSA_FILES_TABLE = """CREATE TABLE elsa_files (
   )"""
 CREATE_ELSA_MEDIA_TABLE = """CREATE TABLE elsa_media (
     id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
-    chapter TEXT NOT NULL,
-    title TEXT NOT NULL,
-    signature TEXT NOT NULL,
-    pages TEXT NOT NULL,
-    text_author TEXT,
-    book_author TEXT NOT NULL,
-    type TEXT NOT NULL,
+    work_author TEXT,
+    section_author TEXT,
+    year TEXT,
+    edition TEXT,
+    work_title TEXT,
+    chapter_title TEXT,
+    location TEXT,
+    publisher TEXT,
+    signature TEXT,
+    issue TEXT,
+    pages TEXT,
+    isbn TEXT,
+    type TEXT,
     elsa_id INTEGER NOT NULL,
-    data TEXT NOT NULL,
     FOREIGN KEY (elsa_id) REFERENCES elsa (id)
   )"""