Delete books in shelfs, downloaded books, kobo sync status, etc on database change (fixes #620)

cps/admin.py

@@ -1186,11 +1186,20 @@ def _db_configuration_update_helper():
         if not calibre_db.setup_db(to_save['config_calibre_dir'], ub.app_DB_path):
             return _db_configuration_result(_('DB Location is not Valid, Please Enter Correct Path'),
                                             gdrive_error)
+        # if db changed -> delete shelfs, delete download books, delete read books, kobo sync...
+        ub.session.query(ub.Downloads).delete()
+        ub.session.query(ub.ArchivedBook).delete()
+        ub.session.query(ub.ArchivedBook).delete()
+        ub.session.query(ub.ReadBook).delete()
+        ub.session.query(ub.BookShelf).delete()
+        ub.session.query(ub.Bookmark).delete()
+        ub.session.query(ub.KoboReadingState).delete()
+        ub.session.query(ub.KoboStatistics).delete()
+        ub.session.query(ub.KoboSyncedBooks).delete()
         _config_string(to_save, "config_calibre_dir")
         calibre_db.update_config(config)
         if not os.access(os.path.join(config.config_calibre_dir, "metadata.db"), os.W_OK):
             flash(_(u"DB is not Writeable"), category="warning")
-            # warning = {'type': "warning", 'message': _(u"DB is not Writeable")}
     config.save()
     return _db_configuration_result(None, gdrive_error)
 

cps/db.py

@@ -550,11 +550,8 @@ class CalibreDB():
 
     @classmethod
     def setup_db(cls, config_calibre_dir, app_db_path):
-        # cls.config = config
         cls.dispose()
 
-        # toDo: if db changed -> delete shelfs, delete download books, delete read boks, kobo sync??
-
         if not config_calibre_dir:
             cls.config.invalidate()
             return False

cps/static/js/main.js

@@ -284,11 +284,7 @@ $(function() {
     }
 
     function fillFileTable(path, type, folder, filt) {
-        if (window.location.pathname.endsWith("/basicconfig")) {
-            var request_path = "/../basicconfig/pathchooser/";
-        } else {
-            var request_path = "/../../ajax/pathchooser/";
-        }
+        var request_path = "/../../ajax/pathchooser/";
         $.ajax({
             dataType: "json",
             data: {

cps/web.py

@@ -1525,9 +1525,6 @@ def register():
 
 @web.route('/login', methods=['GET', 'POST'])
 def login():
-    #if not config.db_configured:
-    #    log.debug(u"Redirect to initial configuration")
-    #    return redirect(url_for('admin.basic_configuration'))
     if current_user is not None and current_user.is_authenticated:
         return redirect(url_for('web.index'))
     if config.config_login_type == constants.LOGIN_LDAP and not services.ldap: