Add new database field for storing max_authors

cps/ub.py

@@ -315,6 +315,7 @@ class Settings(Base):
     config_calibre_web_title = Column(String, default=u'Calibre-Web')
     config_books_per_page = Column(Integer, default=60)
     config_random_books = Column(Integer, default=4)
+    config_authors_max = Column(Integer, default=5)
     config_read_column = Column(Integer, default=0)
     config_title_regex = Column(String, default=u'^(A|The|An|Der|Die|Das|Den|Ein|Eine|Einen|Dem|Des|Einem|Eines)\s+')
     config_log_level = Column(SmallInteger, default=logging.INFO)
@@ -380,6 +381,7 @@ class Config:
         self.config_calibre_web_title = data.config_calibre_web_title
         self.config_books_per_page = data.config_books_per_page
         self.config_random_books = data.config_random_books
+        self.config_authors_max = data.config_authors_max
         self.config_title_regex = data.config_title_regex
         self.config_read_column = data.config_read_column
         self.config_log_level = data.config_log_level
@@ -601,6 +603,12 @@ def migrate_Database():
         conn = engine.connect()
         conn.execute("ALTER TABLE Settings ADD column `config_default_role` SmallInteger DEFAULT 0")
         session.commit()
+    try:
+        session.query(exists().where(Settings.config_authors_max)).scalar()
+    except exc.OperationalError:  # Database is not compatible, some rows are missing
+        conn = engine.connect()
+        conn.execute("ALTER TABLE Settings ADD column `config_authors_max` INTEGER DEFAULT 5")
+        session.commit()
     try:
         session.query(exists().where(BookShelf.order)).scalar()
     except exc.OperationalError:  # Database is not compatible, some rows are missing

cps/web.py

@@ -1207,7 +1207,7 @@ def get_updater_status():
 def index(page):
     entries, random, pagination = fill_indexpage(page, db.Books, True, [db.Books.timestamp.desc()])
     return render_title_template('index.html', random=random, entries=entries, pagination=pagination,
-                                 title=_(u"Recently Added Books"), page="root")
+                                 title=_(u"Recently Added Books"), page="root", config_authors_max=config.config_authors_max)
 
 
 @app.route('/books/newest', defaults={'page': 1})
@@ -1351,7 +1351,8 @@ def author(book_id, page):
             app.logger.error('Goodreads website is down/inaccessible')
 
     return render_title_template('author.html', entries=entries, pagination=pagination,
-                                 title=name, author=author_info, other_books=other_books, page="author")
+                                 title=name, author=author_info, other_books=other_books, page="author",
+                                 config_authors_max=config.config_authors_max)
 
 
 @app.route("/publisher")
@@ -2817,6 +2818,9 @@ def view_configuration():
             content.config_random_books = int(to_save["config_random_books"])
         if "config_books_per_page" in to_save:
             content.config_books_per_page = int(to_save["config_books_per_page"])
+        # maximum authors to show before we display a 'show more' link
+        if "config_authors_max" in to_save:
+            content.config_authors_max = int(to_save["config_authors_max"])
         # Mature Content configuration
         if "config_mature_content_tags" in to_save:
             content.config_mature_content_tags = to_save["config_mature_content_tags"].strip()