Merge pull request #12 from k1sul1/upstream

fix #11, added filter & transient

Author: Antti Kuosmanen

classes/class-cpt-wplf-submission.php

@@ -106,15 +106,29 @@ function custom_columns_cpt( $columns ) {
   function form_filter_dropdown() {
     global $pagenow;
 
-    if( 'edit.php' != $pagenow ) {
+    $allowed = array("wplf-submission"); // show filter on these post types (currently only one?)
+    $allowed = apply_filters("wplf-dropdown-filter", $allowed);
+    $post_type = get_query_var("post_type");
+
+    if( 'edit.php' != $pagenow || !in_array($post_type, $allowed)) {
       return;
     }
 
-    // TODO: put this in a transient
-    $forms = get_posts( array(
-      'post_per_page' => '-1',
-      'post_type' => 'wplf-form',
-    ) );
+    $transient = get_transient("wplf-form-filter");
+
+    if($transient){
+      $forms = $transient;
+    }
+
+    else{
+      $forms = get_posts( array(
+        'post_per_page' => '-1',
+        'post_type' => 'wplf-form',
+      ) );
+
+      set_transient("wplf-form-filter", $forms, 15 *  MINUTE_IN_SECONDS);
+    }
+
 ?>
 <label for="filter-by-form" class="screen-reader-text">Filter by form</label>
 <select name="form" id="filter-by-form">
@@ -201,4 +215,3 @@ function metabox_submission() {
 }
 
 endif;
-