CC-2612 : Upgrade: Push DB metadata into the file before upgrade

saving md to files in stor before path creation.

install_minimal/upgrades/airtime-1.9.0/airtime-upgrade.php

@@ -593,7 +593,7 @@ class Airtime190Upgrade{
         $dumpFile = __DIR__."/storDump.txt";
         $fh = fopen($dumpFile, 'w') or die("can't open file to backup stor.");
 
-        $s = "SF_BACKUP";
+        $s = "SF_BACKUP_1.9.0";
 
         foreach ($files as $file) {
 

install_minimal/upgrades/airtime-1.9.0/media-monitor-upgrade.py

@@ -45,6 +45,29 @@ except Exception, e:
 mmc.set_needed_file_permissions(stor_dir, True)
 mmc.set_needed_file_permissions(organize_dir, True)
 
+f = open('storDump.txt','r')
+for line in f.readlines():
+    db_md = line.split("SF_BACKUP_1.9.0")
+    file_md = {}
+    file_md['MDATA_KEY_FILEPATH'] = db_md[1]
+
+    #file is recorded
+    #format 1 title year month day hour min
+    if db_md[0]:
+        file_md["MDATA_KEY_TITLE"] = db_md[2]
+        file_md["MDATA_KEY_YEAR"] = db_md[3]+"-"+db_md[4]+"-"+db_md[5]
+    #file is regular audio file
+    #format 0 title artist album track
+    else:
+        file_md["MDATA_KEY_TITLE"] = db_md[2]
+        file_md["MDATA_KEY_CREATOR"] = db_md[3]
+        file_md["MDATA_KEY_SOURCE"] = db_md[4]
+        file_md["MDATA_KEY_TRACKNUMBER"] = db_md[5]
+
+    mmc.md_manager.save_md_to_file()
+
+f.close()
+
 #read list of all files in stor location.....and one-by-one pass this through to
 #mmc.organize_files. print out json encoding of before and after
 pairs = []