From 9a3e3b23e6a69cda7195e69fdc6c9562c9ff25d5 Mon Sep 17 00:00:00 2001
From: Dani Palou <dani@moodle.com>
Date: Tue, 22 Oct 2019 11:57:01 +0200
Subject: [PATCH] MOBILE-3198 filter: Support start time in mediaplugin filter

---
 .../filter/mediaplugin/providers/handler.ts   | 17 +++++++++++---
 src/providers/utils/url.ts                    | 23 +++++++++++++++++++
 2 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/src/addon/filter/mediaplugin/providers/handler.ts b/src/addon/filter/mediaplugin/providers/handler.ts
index 405ba0672..ddbcfc652 100644
--- a/src/addon/filter/mediaplugin/providers/handler.ts
+++ b/src/addon/filter/mediaplugin/providers/handler.ts
@@ -17,6 +17,7 @@ import { Injectable } from '@angular/core';
 import { CoreFilterDefaultHandler } from '@core/filter/providers/default-filter';
 import { CoreFilterFilter, CoreFilterFormatTextOptions } from '@core/filter/providers/filter';
 import { CoreTextUtilsProvider } from '@providers/utils/text';
+import { CoreUrlUtilsProvider } from '@providers/utils/url';
 
 /**
  * Handler to support the Multimedia filter.
@@ -26,7 +27,8 @@ export class AddonFilterMediaPluginHandler extends CoreFilterDefaultHandler {
     name = 'AddonFilterMediaPluginHandler';
     filterName = 'mediaplugin';
 
-    constructor(private textUtils: CoreTextUtilsProvider) {
+    constructor(private textUtils: CoreTextUtilsProvider,
+            private urlUtils: CoreUrlUtilsProvider) {
         super();
     }
 
@@ -74,9 +76,18 @@ export class AddonFilterMediaPluginHandler extends CoreFilterDefaultHandler {
             return;
         }
 
-        const iframe = document.createElement('iframe');
+        const iframe = document.createElement('iframe'),
+            params: any = {};
+
+        if (youtubeData.listId !== null) {
+            params.list = youtubeData.listId;
+        }
+        if (youtubeData.start !== null) {
+            params.start = youtubeData.start;
+        }
+
         iframe.id = video.id;
-        iframe.src = 'https://www.youtube.com/embed/' + youtubeData.videoId; // Don't apply other params to align with Moodle web.
+        iframe.src = this.urlUtils.addParamsToUrl('https://www.youtube.com/embed/' + youtubeData.videoId, params);
         iframe.setAttribute('frameborder', '0');
         iframe.setAttribute('allowfullscreen', '1');
         iframe.width = '100%';
diff --git a/src/providers/utils/url.ts b/src/providers/utils/url.ts
index 295d54ae7..2aa7e8ff5 100644
--- a/src/providers/utils/url.ts
+++ b/src/providers/utils/url.ts
@@ -44,6 +44,29 @@ export class CoreUrlUtilsProvider {
         return url;
     }
 
+    /**
+     * Add params to a URL.
+     *
+     * @param url URL to add the params to.
+     * @param params Object with the params to add.
+     * @return URL with params.
+     */
+    addParamsToUrl(url: string, params: {[key: string]: any}): string {
+        let separator = url.indexOf('?') != -1 ? '&' : '?';
+
+        for (const key in params) {
+            const value = params[key];
+
+            // Ignore objects.
+            if (typeof value != 'object') {
+                url += separator + key + '=' + value;
+                separator = '&';
+            }
+        }
+
+        return url;
+    }
+
     /**
      * Given a URL and a text, return an HTML link.
      *