CS-5913: Trim and remove duplicate spaces from author names

Updates Author names in database by trimming spaces and removing
duplicate spaces by one.
Adds functionality to ReadName method, this is used to look up
Author Names, but the output also is used to create new Authors
when they don't exist.

newscoop/admin-files/users/authors.php

@@ -65,8 +65,9 @@
  }
 }
 
-$first_name =Input::Get('first_name');
-$last_name = Input::Get('last_name');
+// Important! Trim spaces and replace multiple ones by space
+$first_name = preg_replace('/\s+/', ' ', trim(Input::Get('first_name')));
+$last_name = preg_replace('/\s+/', ' ', trim(Input::Get('last_name')));
 $can_save = false;
 if ($id > -1 && strlen($first_name) > 0 && strlen($last_name) > 0) {
  $can_save = true;

newscoop/classes/Author.php

@@ -467,6 +467,10 @@ public static function ReadName($p_name)
  }
  }
 
- return array('first_name' => $firstName, 'last_name' => $lastName);
+ // Important! Trim spaces and replace multiple ones by space
+ return array(
+ 'first_name' => preg_replace('/\s+/', ' ', trim($firstName)),
+ 'last_name' => preg_replace('/\s+/', ' ', trim($lastName))
+ );
  }
 }

newscoop/install/Resources/sql/upgrade/4.4.x/2015.09.15/data-required.sql

@@ -0,0 +1,3 @@
+UPDATE Authors SET first_name=TRIM(first_name), last_name=TRIM(last_name);
+UPDATE Authors SET first_name=replace(replace(replace(first_name,' ',' __|__'),'__|__ ',''),'__|__','') WHERE 0 < LOCATE(' ', first_name);
+UPDATE Authors SET last_name=replace(replace(replace(last_name,' ',' __|__'),'__|__ ',''),'__|__','') WHERE 0 < LOCATE(' ', last_name);