From 47f17fde452b5e9f0c9e96ce0e2c878dd0574b7f Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Sat, 18 May 2024 16:08:35 +0300
Subject: Add support for sending gifs via Giphy

Fixes #22
Closes #75

Co-authored-by: Nischay <hegdenischay@gmail.com>
---
 web/src/giphy.js | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 web/src/giphy.js

(limited to 'web/src/giphy.js')

diff --git a/web/src/giphy.js b/web/src/giphy.js
new file mode 100644
index 0000000..16dcae3
--- /dev/null
+++ b/web/src/giphy.js
@@ -0,0 +1,107 @@
+import {Component, html} from "../lib/htm/preact.js";
+import * as widgetAPI from "./widget-api.js";
+import {SearchBox} from "./search-box.js";
+
+const GIPHY_SEARCH_DEBOUNCE = 1000
+let GIPHY_API_KEY = ""
+let GIPHY_MXC_PREFIX = "mxc://giphy.mau.dev/"
+
+export function giphyIsEnabled() {
+	return GIPHY_API_KEY !== ""
+}
+
+export function setGiphyAPIKey(apiKey, mxcPrefix) {
+	GIPHY_API_KEY = apiKey
+	if (mxcPrefix) {
+		GIPHY_MXC_PREFIX = mxcPrefix
+	}
+}
+
+export class GiphySearchTab extends Component {
+	constructor(props) {
+		super(props)
+		this.state = {
+			searchTerm: "",
+			gifs: [],
+			loading: false,
+			error: null,
+		}
+		this.handleGifClick = this.handleGifClick.bind(this)
+		this.searchKeyUp = this.searchKeyUp.bind(this)
+		this.updateGifSearchQuery = this.updateGifSearchQuery.bind(this)
+		this.searchTimeout = null
+	}
+
+	async makeGifSearchRequest() {
+		try {
+			const resp = await fetch(`https://api.giphy.com/v1/gifs/search?q=${this.state.searchTerm}&api_key=${GIPHY_API_KEY}`)
+			// TODO handle error responses properly?
+			const data = await resp.json()
+			if (data.data.length === 0) {
+				this.setState({gifs: [], error: "No results"})
+			} else {
+				this.setState({gifs: data.data, error: null})
+			}
+		} catch (error) {
+			this.setState({error})
+		}
+	}
+
+	componentWillUnmount() {
+		clearTimeout(this.searchTimeout)
+	}
+
+	searchKeyUp(event) {
+		if (event.key === "Enter") {
+			clearTimeout(this.searchTimeout)
+			this.makeGifSearchRequest()
+		}
+	}
+
+	updateGifSearchQuery(event) {
+		this.setState({searchTerm: event.target.value})
+		clearTimeout(this.searchTimeout)
+		this.searchTimeout = setTimeout(() => this.makeGifSearchRequest(), GIPHY_SEARCH_DEBOUNCE)
+	}
+
+	handleGifClick(gif) {
+		widgetAPI.sendSticker({
+			"body": gif.title,
+			"info": {
+				"h": gif.images.original.height,
+				"w": gif.images.original.width,
+				"size": gif.images.original.size,
+				"mimetype": "image/webp",
+			},
+			"msgtype": "m.image",
+			"url": GIPHY_MXC_PREFIX + gif.id,
+
+			"id": gif.id,
+			"filename": gif.id + ".webp",
+		})
+	}
+
+	render() {
+		// TODO display loading state?
+		return html`
+			<${SearchBox} onInput=${this.updateGifSearchQuery} onKeyUp=${this.searchKeyUp} value=${this.state.searchTerm} placeholder="Find GIFs"/>
+			<div class="pack-list">
+				<section class="stickerpack" id="pack-giphy">
+					<div class="error">
+						${this.state.error}
+					</div>
+					<div class="sticker-list">
+						${this.state.gifs.map((gif) => html`
+							<div class="sticker" onClick=${() => this.handleGifClick(gif)} data-gif-id=${gif.id}>
+								<img src=${gif.images.fixed_height.url} alt=${gif.title} class="visible" data=/>
+							</div>
+						`)}
+					</div>
+					<div class="footer powered-by-giphy">
+						<img src="./res/powered-by-giphy.png" alt="Powered by GIPHY"/>
+					</div>
+				</section>
+			</div>
+		`
+	}
+}
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