/webapp/plugins/insightsgenerator/insights/maythefourth.php

<?php
/*
 Plugin Name: May The Fourth Be With You
 Description: Did you talk about Star Wars?
 When: May 4, 2015
 */
/**
 *
 * ThinkUp/webapp/plugins/insightsgenerator/insights/maythefourth.php
 *
 * Copyright (c) 2015 Anil Dash
 *
 * LICENSE:
 *
 * This file is part of ThinkUp (http://thinkup.com).
 *
 * ThinkUp is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any
 * later version.
 *
 * ThinkUp is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with ThinkUp.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * Copyright (c) 2014-2016 Chris Moyer, Anil Dash
 *
 * @author Chris Moyer chris@inarow.net, Anil Dash anil@thinkup.com
 * @license http://www.gnu.org/licenses/gpl.html
 * @copyright 2014-2016 Chris Moyer, Anil Dash
 */

class StarWarsInsight extends InsightPluginParent implements InsightPlugin {
    /**
     * Slug for this insight
     **/
    var $slug = 'starwars';
    /**
     * Date to run this insight
     */
    var $run_date = '2015-05-04';

    public function generateInsight(Instance $instance, User $user, $last_week_of_posts, $number_days) {
        parent::generateInsight($instance, $user, $last_week_of_posts, $number_days);
        $this->logger->logInfo("Begin generating insight", __METHOD__.','.__LINE__);

        if (Utils::isTest() || date("Y-m-d") == $this->run_date) {
            $this->logger->logInfo("Should generate insight", __METHOD__.','.__LINE__);

            $hero_image = array(
                'url' => 'https://www.thinkup.com/assets/images/insights/2015-05/starwars.jpg',
                'alt_text' => 'RockTrooper',
                'credit' => 'Photo: JD Hancock',
                'img_link' => 'https://www.flickr.com/photos/jdhancock/4932301604'
            );

            $post_dao = DAOFactory::getDAO('PostDAO');
            $last_year_of_posts = $post_dao->getPostsByUserInRange(
                $author_id = $instance->network_user_id,
                $network = $instance->network,
                $from=date('Y-m-d', strtotime('-1 year')),
                $until = date('Y-m-d'),
                $order_by='pub_date', $direction='DESC', $iterator=true, $is_public=false
            );

            $topics = array(
                'force' => array("star wars","force awakens", "bb-8", "darth vader", "bb8", "StarWars",
                    "StarWarsDay"),
            );

            $matches = array();
            $matched_posts = array();
            $matched = false;
            //print_r($last_year_of_posts);
            foreach ($last_year_of_posts as $post) {
                foreach ($topics as $key => $strings) {
                    foreach ($strings as $string) {
                        if (preg_match_all('/\b'.strtolower($string).'\b/i', strtolower($post->post_text),
                            $matches)) {
                            $matched = true;
                        }
                        //DEBUG
                        // else {
                        //     $this->logger->logInfo("Didn't find ".$string." in ".$post->post_text,
                        //         __METHOD__.','.__LINE__);
                        // }
                    }
                }
                if ($matched) {
                    $this->logger->logInfo("Matched post ".$post->post_text, __METHOD__.','.__LINE__);
                    $matched_posts[] = $post;
                }
                $matched = false;
            }

            if (count($matched_posts) > 0) {
                $headline = "The Force is strong with " . $this->username ." on #StarWarsDay";
                $insight_text = $this->username
                    . " was ready for Star Wars Day. May the fourth be with you... always.";

                $insight = new Insight();
                $insight->instance_id = $instance->id;
                $insight->slug = $this->slug;
                $insight->date = $this->run_date;
                $insight->headline = $headline;
                $insight->text = $insight_text;
                $insight->filename = basename(__FILE__, ".php");
                $insight->emphasis = Insight::EMPHASIS_HIGH;
                $insight->setHeroImage($hero_image);

                $matched_posts_sliced = array_slice($matched_posts, 0, 20);
                $insight->setPosts($matched_posts_sliced);
                $this->insight_dao->insertInsight($insight);
            }
        }
        $this->logger->logInfo("Done generating insight", __METHOD__.','.__LINE__);
    }
}

$insights_plugin_registrar = PluginRegistrarInsights::getInstance();
$insights_plugin_registrar->registerInsightPlugin('StarWarsInsight');