Delete cache during reset

Offer to delete cached artwork, and also drop tables in case we need to
modify the structure in the future.

resources/lib/utils.py

@@ -6,6 +6,7 @@ import cProfile
 import inspect
 import pstats
 import sqlite3
+import os
 from datetime import datetime, time
 import time
 import unicodedata
@@ -144,7 +145,7 @@ def reset():
     deleteNodes()
 
     # Wipe the kodi databases
-    logMsg("EMBY", "Resetting the Kodi video database.")
+    logMsg("EMBY", "Resetting the Kodi video database.", 0)
     connection = kodiSQL('video')
     cursor = connection.cursor()
     cursor.execute('SELECT tbl_name FROM sqlite_master WHERE type="table"')
@@ -170,7 +171,7 @@ def reset():
         cursor.close()
 
     # Wipe the emby database
-    logMsg("EMBY", "Resetting the Emby database.")
+    logMsg("EMBY", "Resetting the Emby database.", 0)
     connection = kodiSQL('emby')
     cursor = connection.cursor()
     cursor.execute('SELECT tbl_name FROM sqlite_master WHERE type="table"')
@@ -179,6 +180,36 @@ def reset():
         tablename = row[0]
         if tablename != "version":
             cursor.execute("DELETE FROM " + tablename)
+    cursor.execute('DROP table IF EXISTS emby')
+    cursor.execute('DROP table IF EXISTS view')
+    connection.commit()
+    cursor.close()
+
+    # Offer to wipe cached thumbnails
+    resp = dialog.yesno("Warning", "Removed all cached artwork?")
+    if resp:
+        logMsg("EMBY", "Resetting all cached artwork.", 0)
+        # Remove all existing textures first
+        path = xbmc.translatePath("special://thumbnails/").decode('utf-8')
+        if xbmcvfs.exists(path):
+            allDirs, allFiles = xbmcvfs.listdir(path)
+            for dir in allDirs:
+                allDirs, allFiles = xbmcvfs.listdir(path+dir)
+                for file in allFiles:
+                    if os.path.supports_unicode_filenames:
+                        xbmcvfs.delete(os.path.join(path+dir.decode('utf-8'),file.decode('utf-8')))
+                    else:
+                        xbmcvfs.delete(os.path.join(path.encode('utf-8')+dir,file))
+        
+        # remove all existing data from texture DB
+        connection = kodiSQL('texture')
+        cursor = connection.cursor()
+        cursor.execute('SELECT tbl_name FROM sqlite_master WHERE type="table"')
+        rows = cursor.fetchall()
+        for row in rows:
+            tableName = row[0]
+            if(tableName != "version"):
+                cursor.execute("DELETE FROM " + tableName)
         connection.commit()
         cursor.close()
     
@@ -187,7 +218,7 @@ def reset():
 
     # Remove emby info
     resp = dialog.yesno("Warning", "Reset all Emby Addon settings?")
-    if resp == 1:
+    if resp:
         # Delete the settings
         addon = xbmcaddon.Addon()
         addondir = xbmc.translatePath(addon.getAddonInfo('profile')).decode('utf-8')