From cdf37977080f2776bbe2e498f1e6585df4b56bca Mon Sep 17 00:00:00 2001
From: 6ea86b96 <6ea86b96@gmail.com>
Date: Tue, 23 May 2017 22:08:58 +0400
Subject: [PATCH] Messing around with an audio player

---
 ui/js/component/audio/index.js |  53 +++++++++
 ui/js/component/audio/view.jsx | 211 +++++++++++++++++++++++++++++++++
 ui/js/page/filePage/view.jsx   |  19 ++-
 ui/package.json                |   3 +-
 4 files changed, 282 insertions(+), 4 deletions(-)
 create mode 100644 ui/js/component/audio/index.js
 create mode 100644 ui/js/component/audio/view.jsx

diff --git a/ui/js/component/audio/index.js b/ui/js/component/audio/index.js
new file mode 100644
index 000000000..9d9a334ec
--- /dev/null
+++ b/ui/js/component/audio/index.js
@@ -0,0 +1,53 @@
+import React from 'react'
+import {
+  connect,
+} from 'react-redux'
+import {
+  doCloseModal,
+} from 'actions/app'
+import {
+  selectCurrentModal,
+} from 'selectors/app'
+import {
+  doPurchaseUri,
+  doLoadVideo,
+} from 'actions/content'
+import {
+  makeSelectMetadataForUri
+} from 'selectors/claims'
+import {
+  makeSelectFileInfoForUri,
+  makeSelectLoadingForUri,
+  makeSelectDownloadingForUri,
+} from 'selectors/file_info'
+import {
+  makeSelectCostInfoForUri,
+} from 'selectors/cost_info'
+import Audio from './view'
+
+const makeSelect = () => {
+  const selectCostInfo = makeSelectCostInfoForUri()
+  const selectFileInfo = makeSelectFileInfoForUri()
+  const selectIsLoading = makeSelectLoadingForUri()
+  const selectIsDownloading = makeSelectDownloadingForUri()
+  const selectMetadata = makeSelectMetadataForUri()
+
+  const select = (state, props) => ({
+    costInfo: selectCostInfo(state, props),
+    fileInfo: selectFileInfo(state, props),
+    metadata: selectMetadata(state, props),
+    modal: selectCurrentModal(state),
+    isLoading: selectIsLoading(state, props),
+    isDownloading: selectIsDownloading(state, props),
+  })
+
+  return select
+}
+
+const perform = (dispatch) => ({
+  loadVideo: (uri) => dispatch(doLoadVideo(uri)),
+  purchaseUri: (uri) => dispatch(doPurchaseUri(uri)),
+  closeModal: () => dispatch(doCloseModal()),
+})
+
+export default connect(makeSelect, perform)(Audio)
diff --git a/ui/js/component/audio/view.jsx b/ui/js/component/audio/view.jsx
new file mode 100644
index 000000000..2e30c9d45
--- /dev/null
+++ b/ui/js/component/audio/view.jsx
@@ -0,0 +1,211 @@
+import React from 'react'
+import {
+  Thumbnail,
+} from 'component/common'
+import Link from 'component/link'
+import Modal from 'component/modal'
+import FilePrice from 'component/filePrice'
+import lbry from 'lbry'
+
+const WaveSurfer = require('wavesurfer.js')
+
+class PlayButton extends React.Component {
+  onPurchaseConfirmed() {
+    this.props.closeModal()
+    this.props.startPlaying()
+    this.props.loadVideo(this.props.uri)
+  }
+
+  onPlayClick() {
+    this.props.purchaseUri(this.props.uri).then(() => {
+      if (!this.props.modal) {
+        this.props.startPlaying()
+      }
+    })
+  }
+
+  render() {
+    const {
+      button,
+      label,
+      className,
+      metadata,
+      metadata: {
+        title,
+      },
+      uri,
+      modal,
+      closeModal,
+      isLoading,
+      costInfo,
+      fileInfo,
+    } = this.props
+
+    return (<div>
+      <Link button={ button ? button : null }
+            disabled={isLoading || fileInfo === undefined || (fileInfo === null && (!costInfo || costInfo.cost === undefined))}
+            label={label ? label : ""}
+            icon="icon-play"
+            onClick={this.onPlayClick.bind(this)} />
+      {modal}
+      <Modal contentLabel="Not enough credits" isOpen={modal == 'notEnoughCredits'} onConfirmed={() => { this.closeModal() }}>
+        You don't have enough LBRY credits to pay for this stream.
+      </Modal>
+      <Modal
+        type="confirm"
+        isOpen={modal == 'affirmPurchase'}
+        contentLabel="Confirm Purchase"
+        onConfirmed={this.onPurchaseConfirmed.bind(this)}
+        onAborted={closeModal}>
+        This will purchase <strong>{title}</strong> for <strong><FilePrice uri={uri} look="plain" /></strong> credits.
+      </Modal>
+      <Modal
+        isOpen={modal == 'timedOut'} onConfirmed={() => { this.closeModal() }} contentLabel="Timed Out">
+        Sorry, your download timed out :(
+      </Modal>
+    </div>);
+  }
+}
+
+class Audio extends React.Component {
+  constructor(props) {
+    super(props)
+    this.state = { isPlaying: false }
+  }
+
+  startPlaying() {
+    this.setState({
+      isPlaying: true
+    })
+  }
+
+  render() {
+    const {
+      metadata,
+      fileInfo,
+      isLoading,
+      isDownloading,
+    } = this.props
+    const isReadyToPlay = fileInfo && fileInfo.written_bytes > 0
+    const {
+      isPlaying = false,
+    } = this.state
+
+    let loadStatusMessage
+    if (isLoading) {
+      loadStatusMessage = "Requesting stream... it may sit here for like 15-20 seconds in a really awkward way... we're working on it"
+    } else if (isDownloading) {
+      loadStatusMessage = "Downloading stream... not long left now!"
+    }
+
+    return (
+      <div>
+        <div>
+          {metadata && !!metadata.thumbnail ? <Thumbnail src={metadata.thumbnail} /> :
+            <Thumbnail src={lbry.imagePath('default-album-thumb.png')} />}
+        </div>
+        {(isPlaying || isLoading) && isReadyToPlay &&
+          <AudioPlayer autoplay={isPlaying} downloadPath={fileInfo.download_path} />}
+        {(isPlaying || isLoading) && !isReadyToPlay &&
+          <span>this is the world's worst loading screen and we shipped our software with it anyway... <br /><br />{loadStatusMessage}</span>}
+        {!isPlaying && !isLoading &&
+          <section className="card">
+            <div className="card__inner">
+              <PlayButton startPlaying={this.startPlaying.bind(this)} {...this.props} />
+            </div>
+          </section>
+        }
+      </div>
+    )
+  }
+}
+
+class AudioPlayer extends React.PureComponent {
+  constructor(props) {
+    super(props)
+
+    this.state = {
+      wavesurfer: null,
+    }
+  }
+
+  componentDidMount() {
+    const elem = this.refs['audio-player']
+    const {
+      downloadPath,
+    } = this.props
+    const wavesurfer = WaveSurfer.create({
+      container: elem,
+      progressColor: 'darkslategray',
+      height: 96,
+    })
+    const playingStarted = this.playingStarted.bind(this)
+    const playingPaused = this.paused.bind(this)
+    wavesurfer.on('play', playingStarted)
+    wavesurfer.on('pause', playingPaused)
+    wavesurfer.on('ready', () => wavesurfer.play())
+    this.setState({
+      wavesurfer,
+    })
+    // setTimeout(() => wavesurfer.play(), 1000)
+    wavesurfer.load(downloadPath)
+  }
+
+  componentWillUnmount() {
+    this.pause()
+  }
+
+  playingStarted() {
+    this.setState({
+      isPlaying: true,
+    })
+  }
+
+  paused() {
+    this.setState({
+      isPlaying: false,
+    })
+  }
+
+  pause() {
+    this.state.wavesurfer.pause()
+  }
+
+  play() {
+    this.state.wavesurfer.play()
+  }
+
+  render() {
+    const {
+      isPlaying,
+    } = this.state
+
+    return(
+      <div>
+        <section className="card">
+          <div className="card__inner">
+            <div id="audio-player" ref="audio-player"></div>
+          </div>
+        </section>
+        <section className="card">
+          <div className="card__inner">
+            {isPlaying &&
+              <Link
+                button={true}
+                icon="icon-pause"
+                onClick={this.pause.bind(this)}
+              />}
+            {!isPlaying &&
+              <Link
+                button={true}
+                icon="icon-play"
+                onClick={this.play.bind(this)}
+              />}
+            </div>
+          </section>
+      </div>
+    )
+  }
+}
+
+export default Audio
diff --git a/ui/js/page/filePage/view.jsx b/ui/js/page/filePage/view.jsx
index 2373588b7..8a0041212 100644
--- a/ui/js/page/filePage/view.jsx
+++ b/ui/js/page/filePage/view.jsx
@@ -2,6 +2,7 @@ import React from 'react';
 import lbry from 'lbry.js';
 import lbryuri from 'lbryuri.js';
 import Video from 'component/video'
+import Audio from 'component/audio'
 import {
   Thumbnail,
 } from 'component/common';
@@ -85,13 +86,25 @@ class FilePage extends React.Component{
     const channelClaimId = claim.value && claim.value.publisherSignature ? claim.value.publisherSignature.certificateId : null;
     const channelUri = signatureIsValid && hasSignature && channelName ? lbryuri.build({channelName, claimId: channelClaimId}, false) : null
     const uriIndicator = <UriIndicator uri={uri} />
+    const playableContent = contentType && (contentType.startsWith('video/') || contentType.startsWith('audio/'))
 
     return (
       <main className="main--single-column">
         <section className="show-page-media">
-          { contentType && contentType.startsWith('video/') ?
-            <Video className="video-embedded" uri={uri} /> :
-            (metadata && metadata.thumbnail ? <Thumbnail src={metadata.thumbnail} /> : <Thumbnail />) }
+          {contentType && contentType.startsWith('video/') &&
+            <Video className="video-embedded" uri={uri} />
+          }
+
+          {contentType && contentType.startsWith('audio/') &&
+            <Audio className="audio-embedded" uri={uri} />
+          }
+
+          {!playableContent && metadata && metadata.thumbnail &&
+            <Thumbnail src={metadata.thumbnail} />}
+
+          {!playableContent && (!metadata || (metadata && !metadata.thumbnail)) &&
+          <Thumbnail />}
+
         </section>
         <section className="card">
           <div className="card__inner">
diff --git a/ui/package.json b/ui/package.json
index 6245fcd89..c1732783c 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -32,7 +32,8 @@
     "redux": "^3.6.0",
     "redux-logger": "^3.0.1",
     "redux-thunk": "^2.2.0",
-    "reselect": "^3.0.0"
+    "reselect": "^3.0.0",
+    "wavesurfer.js": "^2.0.0-beta01"
   },
   "devDependencies": {
     "babel": "^6.5.2",
-- 
2.45.3