matrix-dimension/web/app/configs/widget/youtube/youtube.widget.component.ts
2017-12-23 15:30:57 -07:00

86 lines
3.0 KiB
TypeScript

import { WidgetComponent } from "../widget.component";
import { EditableWidget, WIDGET_YOUTUBE } from "../../../shared/models/widget";
import { Component } from "@angular/core";
import * as embed from "embed-video";
import * as $ from "jquery";
import * as url from "url";
@Component({
templateUrl: "youtube.widget.component.html",
styleUrls: ["youtube.widget.component.scss"],
})
export class YoutubeWidgetConfigComponent extends WidgetComponent {
constructor() {
super(WIDGET_YOUTUBE, "Video", "video", "youtube");
}
protected OnNewWidgetPrepared(widget: EditableWidget) {
widget.dimension.newData.videoUrl = "";
}
protected OnWidgetsDiscovered(widgets: EditableWidget[]) {
for (const widget of widgets) {
if (widget.data.videoUrl) continue; // Dimension widget
if (widget.data.cUrl) {
// Scalar widget
widget.data.videoUrl = this.parseVideoUrl(widget.data.cUrl);
} else {
// Older Dimension widget - infer link
const parsedUrl = url.parse(widget.url, true);
if (parsedUrl.query["url"]) {
widget.data.videoUrl = this.parseVideoUrl(decodeURIComponent(parsedUrl.query["url"]));
} else console.warn("Cannot parse URL for " + widget.id);
}
}
}
protected OnWidgetBeforeAdd(widget: EditableWidget) {
this.setVideoUrl(widget);
}
protected OnWidgetBeforeEdit(widget: EditableWidget) {
this.setVideoUrl(widget);
}
private setVideoUrl(widget: EditableWidget) {
if (!widget.dimension.newData.videoUrl || widget.dimension.newData.videoUrl.trim().length === 0) {
throw new Error("Please enter a video URL");
}
const videoUrl = this.getRealVideoUrl(widget.dimension.newData.videoUrl);
if (!videoUrl) {
throw new Error("Please enter a YouTube, Vimeo, or DailyMotion video URL");
}
widget.dimension.newUrl = videoUrl;
}
private getRealVideoUrl(videoUrl): string {
const embedCode = embed(videoUrl);
if (!embedCode) {
return null;
}
// HACK: Grab the video URL from the iframe embed code
videoUrl = $(embedCode).attr("src");
if (videoUrl.startsWith("//")) videoUrl = "https:" + videoUrl;
return videoUrl;
}
private parseVideoUrl(videoUrl: string): string {
const parsed = url.parse(videoUrl);
const realPath = parsed.path.split("?")[0];
if (parsed.host.indexOf("youtube.com") !== -1) {
return "https://youtube.com/watch?v=" + realPath.substring("/embed/".length);
} else if (parsed.host.indexOf("vimeo.com") !== -1) {
return "https://vimeo.com/" + realPath.substring("/video/".length);
} else if (parsed.host.indexOf("dailymotion.com") !== -1) {
return "https://dailymotion.com/" + realPath.substring("/embed/".length);
}
return videoUrl;
}
}