first commit

wp-content/plugins/popups/admin/includes/class-spu-upgrader.php

@@ -0,0 +1,29 @@
+<?php
+
+/*
+*  Upgrader Class
+*
+*  @description: Upgrade rutines and upgrade messages
+*  @since 1.3.1
+*  @version 1.0
+*/
+
+class SocialPopup_Upgrader {
+
+	public function upgrade_plugin() {
+		global $wpdb;
+		$current_version = get_option('spu-version');
+
+		if( !get_option('spu_plugin_updated') ) {
+			// show feedback box if updating plugin
+			if ( empty( $current_version ) ) {
+				$total = $wpdb->get_var( "SELECT count(*) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type = 'spucpt'" );
+				if ( $total > 0 ) {
+					update_option( 'spu_plugin_updated', true );
+				}
+			} elseif ( ! empty( $current_version ) && version_compare( $current_version, SPU_VERSION, '<' ) ) {
+				update_option( 'spu_plugin_updated', true );
+			}
+		}
+	}
+}