MDL-45418 Files: Adding upgrade steps for publisher docs

Conflicts:
	lib/db/upgrade.php
	lib/db/upgradelib.php
	version.php

lib/db/upgrade.php

@@ -2984,5 +2984,12 @@ function xmldb_main_upgrade($oldversion) {
         upgrade_main_savepoint(true, 2013111803.01);
     }
 
+    if ($oldversion < 2013111803.05) {
+        // Fixing possible wrong MIME type for Publisher files.
+        $filetypes = array('%.pub'=>'application/x-mspublisher');
+        upgrade_mimetypes($filetypes);
+        upgrade_main_savepoint(true, 2013111803.05);
+    }
+
     return true;
 }

lib/db/upgradelib.php

@@ -347,4 +347,24 @@ function upgrade_course_modules_sequences() {
     unset($sections);
 
     // Note that we don't need to reset course cache here because it is reset automatically after upgrade.
-}
+}
+
+/**
+ * Updates the mime-types for files that exist in the database, based on their
+ * file extension.
+ *
+ * @param array $filetypes Array with file extension as the key, and mimetype as the value
+ */
+function upgrade_mimetypes($filetypes) {
+    global $DB;
+    $select = $DB->sql_like('filename', '?', false);
+    foreach ($filetypes as $extension=>$mimetype) {
+        $DB->set_field_select(
+            'files',
+            'mimetype',
+            $mimetype,
+            $select,
+            array($extension)
+        );
+    }
+}

version.php

@@ -29,7 +29,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$version  = 2013111803.04;              // 20131118      = branching date YYYYMMDD - do not modify!
+$version  = 2013111803.05;              // 20131118      = branching date YYYYMMDD - do not modify!
                                         //         RR    = release increments - 00 in DEV branches.
                                         //           .XX = incremental changes.