From 2ba6e3e3074792169ee08c4eebb97d8696bf0f24 Mon Sep 17 00:00:00 2001
From: usame-algan <usame.algan@student.hpi.de>
Date: Sun, 28 Jun 2020 23:09:28 +0200
Subject: [PATCH] displays questions from zoom, cleanup

---
 README.md                      |  1 +
 admin/class-cf7-zwr-admin.php  | 37 ++++++++++++++++++++++++++++------
 includes/class-cf7-zwr-api.php | 23 ++++++++++++++++++++-
 includes/class-cf7-zwr.php     |  4 ++--
 4 files changed, 56 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index a7581a2..be06498 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,7 @@ If you find any Bugs please feel free to [open an issue here](https://github.com
 
 #### [1.0.2] - 2020-06-28
 - Added custom field for the webinar id
+- Now displays selected questions from Zoom once the webinar id has been set
 
 ## Credits
 
diff --git a/admin/class-cf7-zwr-admin.php b/admin/class-cf7-zwr-admin.php
index 0808d05..58b3614 100644
--- a/admin/class-cf7-zwr-admin.php
+++ b/admin/class-cf7-zwr-admin.php
@@ -61,24 +61,49 @@ public function display_api_secret_field() {
         <input type="password" value="<?php echo esc_attr($settings['api_secret']); ?>" name="cf7_zwr[api_secret]" /><?php
     }
 	
-	public function initialize_cf7zwr_settings($panels) {
+	public function initialize_settings_panel($panels) {
         $panels['cf7zwr-custom-fields'] = array(
             'title' => 'Zoom',
-            'callback' => array($this, 'cf7zwr_custom_fields'),
+            'callback' => array($this, 'display_custom_fields'),
         );
 
         return $panels;
     }
 
-    public function cf7zwr_custom_fields($contactform) {
-        $value = get_post_meta($contactform->id(), 'cf7zwr-webinar_id', true); ?>
+    public function display_custom_fields($contactform) {
+        $webinar_id = get_post_meta($contactform->id(), 'cf7zwr-webinar_id', true); ?>
         <fieldset>
             <label for="wpcf7-custom-field"><?php _e('Webinar-ID', 'cf7-zwr'); ?></label>
-            <input type="text" id="wpcf7-custom-field" name="cf7_zwr_webinar_id" value="<?php echo $value ?>" />
+            <input type="text" id="wpcf7-custom-field" name="cf7_zwr_webinar_id" value="<?php echo $webinar_id ?>" />
         </fieldset><?php
+        $api = new CF7_ZWR_Api($this->plugin_name, $this->version);
+        if ($webinar_id) {
+            $webinar_fields = $api->get_webinar_questions($webinar_id);
+            $this->display_webinar_questions($webinar_fields);
+        }
+    }
+
+    public function display_webinar_questions($webinar_fields) { ?>
+        <p><?php _e('Fields found for this webinar', 'cf7-zwr'); ?></p>
+        <table class="widefat striped">
+            <thead>
+            <tr>
+                <td><?php _e('Field name', 'cf7-zwr'); ?></td>
+                <td><?php _e('Required', 'cf7-zwr'); ?></td>
+            </tr>
+            </thead>
+            <tbody>
+            <?php foreach($webinar_fields as $field) : ?>
+                <tr>
+                    <td><?php echo $field['field_name']; ?></td>
+                    <td><?php echo $field['required'] ? "true" : "false" ?></td>
+                </tr>
+            <?php endforeach; ?>
+            </tbody>
+        </table><?php
     }
 
-    public function save_cf7zwr_custom_fields($contactform) {
+    public function save_custom_fields($contactform) {
         if (array_key_exists('cf7_zwr_webinar_id', $_POST)) {
             $webinarId = str_replace(" ", "", $_POST['cf7_zwr_webinar_id']);
             update_post_meta(
diff --git a/includes/class-cf7-zwr-api.php b/includes/class-cf7-zwr-api.php
index 24270a6..4c396d8 100644
--- a/includes/class-cf7-zwr-api.php
+++ b/includes/class-cf7-zwr-api.php
@@ -14,7 +14,8 @@ class CF7_ZWR_Api {
     private $version;
 
     protected $api_url = 'https://api.zoom.us/v2';
-    protected $webinar_identifier = 'webinar_id:';
+    protected $required_questions;
+
     protected $token = '';
     protected $method;
     protected $url;
@@ -28,6 +29,17 @@ class CF7_ZWR_Api {
     public function __construct($plugin_name, $version) {
         $this->plugin_name = $plugin_name;
         $this->version = $version;
+
+        $this->required_questions = array(
+            array(
+                "field_name" => "first_name",
+                "required" => true
+            ),
+            array(
+                "field_name" => "email",
+                "required" => true
+            ),
+        );
     }
 
     public function build($url, $arguments = array(), $method = "GET") {
@@ -76,4 +88,13 @@ public function send_registration($contactform, &$abort, $submission) {
         return $wpcf;
     }
 
+    public function get_webinar_questions($webinar_id) {
+        $this->build($this->api_url . '/webinars/' . $webinar_id . '/registrants/questions', array(), 'GET');
+        $this->run($this->token);
+
+        $combined_questions = array_merge($this->required_questions, json_decode($this->body, true)["questions"]);
+
+        return $combined_questions;
+    }
+
 }
diff --git a/includes/class-cf7-zwr.php b/includes/class-cf7-zwr.php
index e9b9636..373414b 100644
--- a/includes/class-cf7-zwr.php
+++ b/includes/class-cf7-zwr.php
@@ -47,8 +47,8 @@ private function define_admin_hooks() {
 
         $this->loader->add_action( 'admin_menu', $cf7_zwr_admin, 'add_setting_page' );
         $this->loader->add_action( 'admin_init', $cf7_zwr_admin, 'initialize_settings' );
-		$this->loader->add_action( 'wpcf7_save_contact_form', $cf7_zwr_admin, 'save_cf7zwr_custom_fields');
-        $this->loader->add_filter( 'wpcf7_editor_panels', $cf7_zwr_admin, 'initialize_cf7zwr_settings');
+		$this->loader->add_action( 'wpcf7_save_contact_form', $cf7_zwr_admin, 'save_custom_fields');
+        $this->loader->add_filter( 'wpcf7_editor_panels', $cf7_zwr_admin, 'initialize_settings_panel');
     }
 
     private function define_public_hooks() {