From 9f0698013d6bb9d63fe9636f6f3b9b418bd3de0c Mon Sep 17 00:00:00 2001
From: Nicolai Ehemann <en@enlightened.de>
Date: Wed, 30 Jul 2014 14:41:55 +0200
Subject: [PATCH] changed searching of local db to ignore (some) special
 characters like umlauts

---
 sickbeard/db.py      | 10 ++++++++++
 sickbeard/helpers.py |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/sickbeard/db.py b/sickbeard/db.py
index 08fabe662f..57e41f7f5d 100644
--- a/sickbeard/db.py
+++ b/sickbeard/db.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 # Author: Nic Wolfe <nic@wolfeden.ca>
 # URL: http://code.google.com/p/sickbeard/
 #
@@ -51,6 +52,14 @@ def dbFilename(filename="sickbeard.db", suffix=None):
         filename = "%s.%s" % (filename, suffix)
     return ek.ek(os.path.join, sickbeard.DATA_DIR, filename)
 
+# functions for sqlite UDFs
+def _udf_dropspecialchars(text):
+    reps = {'á':'a', 'ã':'a', 'â':'a', 'é':'e', 'ê':'e', 'í':'i','ó':'o' ,'õ':'o' ,'ô':'o','ú':'u', 'ç':'c', 'ä':'ae', 'ü':'ue', 'ö':'oe', 'ß':'ss'}
+    text = text.lower()
+    for a, b in reps.iteritems():
+        text = text.replace(a, b)
+    return text
+
 class DBConnection:
     def __init__(self, filename="sickbeard.db", suffix=None, row_type=None):
 
@@ -60,6 +69,7 @@ def __init__(self, filename="sickbeard.db", suffix=None, row_type=None):
             self.connection.row_factory = self._dict_factory
         else:
             self.connection.row_factory = sqlite3.Row
+        self.connection.create_function('dropspecialchars', 1, _udf_dropspecialchars)
 
     def checkDBVersion(self):
         try:
diff --git a/sickbeard/helpers.py b/sickbeard/helpers.py
index 61ca216740..4ff2714e75 100644
--- a/sickbeard/helpers.py
+++ b/sickbeard/helpers.py
@@ -380,7 +380,7 @@ def searchDBForShow(regShowName):
 
     for showName in showNames:
 
-        sqlResults = myDB.select("SELECT * FROM tv_shows WHERE show_name LIKE ? OR tvr_name LIKE ?", [showName, showName])
+        sqlResults = myDB.select("SELECT * FROM tv_shows WHERE dropspecialchars(show_name) LIKE dropspecialchars(?) OR dropspecialchars(tvr_name) LIKE dropspecialchars(?)", [showName, showName])
 
         if len(sqlResults) == 1:
             return (int(sqlResults[0]["tvdb_id"]), sqlResults[0]["show_name"])