Fix #431 - convert gif to webm during upload. Web UI treats them like it did

before. In the API, attachments now can be either image, video or gifv. Gifv
is to be treated like images in terms of behaviour, but are videos by file
type.

app/assets/javascripts/components/actions/accounts.jsx

@@ -75,11 +75,16 @@ export const FOLLOW_REQUEST_REJECT_FAIL    = 'FOLLOW_REQUEST_REJECT_FAIL';
 
 export function fetchAccount(id) {
   return (dispatch, getState) => {
+    dispatch(fetchRelationships([id]));
+
+    if (getState().getIn(['accounts', id], null) !== null) {
+      return;
+    }
+
     dispatch(fetchAccountRequest(id));
 
     api(getState).get(`/api/v1/accounts/${id}`).then(response => {
       dispatch(fetchAccountSuccess(response.data));
-      dispatch(fetchRelationships([id]));
     }).catch(error => {
       dispatch(fetchAccountFail(id, error));
     });

app/assets/javascripts/components/components/extended_video_player.jsx

@@ -0,0 +1,21 @@
+import PureRenderMixin from 'react-addons-pure-render-mixin';
+
+const ExtendedVideoPlayer = React.createClass({
+
+  propTypes: {
+    src: React.PropTypes.string.isRequired
+  },
+
+  mixins: [PureRenderMixin],
+
+  render () {
+    return (
+      <div>
+        <video src={this.props.src} autoPlay muted loop />
+      </div>
+    );
+  },
+
+});
+
+export default ExtendedVideoPlayer;

app/assets/javascripts/components/components/media_gallery.jsx

@@ -43,6 +43,141 @@ const spoilerButtonStyle = {
   zIndex: '100'
 };
 
+const itemStyle = {
+  boxSizing: 'border-box',
+  position: 'relative',
+  float: 'left',
+  border: 'none',
+  display: 'block'
+};
+
+const thumbStyle = {
+  display: 'block',
+  width: '100%',
+  height: '100%',
+  textDecoration: 'none',
+  backgroundSize: 'cover',
+  cursor: 'zoom-in'
+};
+
+const gifvThumbStyle = {
+  position: 'relative',
+  zIndex: '1',
+  width: '100%',
+  height: '100%',
+  objectFit: 'cover',
+  top: '50%',
+  transform: 'translateY(-50%)',
+  cursor: 'zoom-in'
+};
+
+const Item = React.createClass({
+
+  propTypes: {
+    attachment: ImmutablePropTypes.map.isRequired,
+    index: React.PropTypes.number.isRequired,
+    size: React.PropTypes.number.isRequired,
+    onClick: React.PropTypes.func.isRequired
+  },
+
+  mixins: [PureRenderMixin],
+
+  handleClick (e) {
+    const { index, onClick } = this.props;
+
+    if (e.button === 0) {
+      e.preventDefault();
+      onClick(index);
+    }
+
+    e.stopPropagation();
+  },
+
+  render () {
+    const { attachment, index, size } = this.props;
+
+    let width  = 50;
+    let height = 100;
+    let top    = 'auto';
+    let left   = 'auto';
+    let bottom = 'auto';
+    let right  = 'auto';
+
+    if (size === 1) {
+      width = 100;
+    }
+
+    if (size === 4 || (size === 3 && index > 0)) {
+      height = 50;
+    }
+
+    if (size === 2) {
+      if (index === 0) {
+        right = '2px';
+      } else {
+        left = '2px';
+      }
+    } else if (size === 3) {
+      if (index === 0) {
+        right = '2px';
+      } else if (index > 0) {
+        left = '2px';
+      }
+
+      if (index === 1) {
+        bottom = '2px';
+      } else if (index > 1) {
+        top = '2px';
+      }
+    } else if (size === 4) {
+      if (index === 0 || index === 2) {
+        right = '2px';
+      }
+
+      if (index === 1 || index === 3) {
+        left = '2px';
+      }
+
+      if (index < 2) {
+        bottom = '2px';
+      } else {
+        top = '2px';
+      }
+    }
+
+    let thumbnail = '';
+
+    if (attachment.get('type') === 'image') {
+      thumbnail = (
+        <a
+          href={attachment.get('remote_url') ? attachment.get('remote_url') : attachment.get('url')}
+          onClick={this.handleClick}
+          target='_blank'
+          style={{ background: `url(${attachment.get('preview_url')}) no-repeat center`, ...thumbStyle }}
+        />
+      );
+    } else if (attachment.get('type') === 'gifv') {
+      thumbnail = (
+        <video
+          src={attachment.get('url')}
+          onClick={this.handleClick}
+          autoPlay={true}
+          loop={true}
+          muted={true}
+          style={gifvThumbStyle}
+        />
+      );
+    }
+
+    return (
+      <div key={attachment.get('id')} style={{ ...itemStyle, left: left, top: top, right: right, bottom: bottom, width: `${width}%`, height: `${height}%` }}>
+        {thumbnail}
+      </div>
+    );
+  }
+
+});
+
 const MediaGallery = React.createClass({
 
   getInitialState () {
@@ -61,17 +196,12 @@ const MediaGallery = React.createClass({
 
   mixins: [PureRenderMixin],
 
-  handleClick (index, e) {
-    if (e.button === 0) {
-      e.preventDefault();
-      this.props.onOpenMedia(this.props.media, index);
-    }
-
-    e.stopPropagation();
+  handleOpen (e) {
+    this.setState({ visible: !this.state.visible });
   },
 
-  handleOpen () {
-    this.setState({ visible: !this.state.visible });
+  handleClick (index) {
+    this.props.onOpenMedia(this.props.media, index);
   },
 
   render () {
@@ -80,80 +210,23 @@ const MediaGallery = React.createClass({
     let children;
 
     if (!this.state.visible) {
+      let warning;
+
       if (sensitive) {
-        children = (
-          <div style={spoilerStyle} className='media-spoiler' onClick={this.handleOpen}>
-            <span style={spoilerSpanStyle}><FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' /></span>
-            <span style={spoilerSubSpanStyle}><FormattedMessage id='status.sensitive_toggle' defaultMessage='Click to view' /></span>
-          </div>
-        );
+        warning = <FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' />;
       } else {
+        warning = <FormattedMessage id='status.media_hidden' defaultMessage='Media hidden' />;
+      }
+
       children = (
         <div style={spoilerStyle} className='media-spoiler' onClick={this.handleOpen}>
-            <span style={spoilerSpanStyle}><FormattedMessage id='status.media_hidden' defaultMessage='Media hidden' /></span>
+          <span style={spoilerSpanStyle}>{warning}</span>
           <span style={spoilerSubSpanStyle}><FormattedMessage id='status.sensitive_toggle' defaultMessage='Click to view' /></span>
         </div>
       );
-      }
     } else {
       const size = media.take(4).size;
-
-      children = media.take(4).map((attachment, i) => {
-        let width  = 50;
-        let height = 100;
-        let top    = 'auto';
-        let left   = 'auto';
-        let bottom = 'auto';
-        let right  = 'auto';
-
-        if (size === 1) {
-          width = 100;
-        }
-
-        if (size === 4 || (size === 3 && i > 0)) {
-          height = 50;
-        }
-
-        if (size === 2) {
-          if (i === 0) {
-            right = '2px';
-          } else {
-            left = '2px';
-          }
-        } else if (size === 3) {
-          if (i === 0) {
-            right = '2px';
-          } else if (i > 0) {
-            left = '2px';
-          }
-
-          if (i === 1) {
-            bottom = '2px';
-          } else if (i > 1) {
-            top = '2px';
-          }
-        } else if (size === 4) {
-          if (i === 0 || i === 2) {
-            right = '2px';
-          }
-
-          if (i === 1 || i === 3) {
-            left = '2px';
-          }
-
-          if (i < 2) {
-            bottom = '2px';
-          } else {
-            top = '2px';
-          }
-        }
-
-        return (
-          <div key={attachment.get('id')} style={{ boxSizing: 'border-box', position: 'relative', left: left, top: top, right: right, bottom: bottom, float: 'left', border: 'none', display: 'block', width: `${width}%`, height: `${height}%` }}>
-            <a href={attachment.get('remote_url') ? attachment.get('remote_url') : attachment.get('url')} onClick={this.handleClick.bind(this, i)} target='_blank' style={{ display: 'block', width: '100%', height: '100%', background: `url(${attachment.get('preview_url')}) no-repeat center`, textDecoration: 'none', backgroundSize: 'cover', cursor: 'zoom-in' }} />
-          </div>
-        );
-      });
+      children = media.take(4).map((attachment, i) => <Item key={attachment.get('id')} onClick={this.handleClick} attachment={attachment} index={i} size={size} />);
     }
 
     return (
@@ -161,6 +234,7 @@ const MediaGallery = React.createClass({
         <div style={spoilerButtonStyle}>
           <IconButton title={intl.formatMessage(messages.toggle_visible)} icon={this.state.visible ? 'eye' : 'eye-slash'} onClick={this.handleOpen} />
         </div>
+
         {children}
       </div>
     );

app/assets/javascripts/components/components/status.jsx

@@ -74,8 +74,8 @@ const Status = React.createClass({
     }
 
     if (status.get('media_attachments').size > 0 && !this.props.muted) {
-      if (status.getIn(['media_attachments', 0, 'type']) === 'video') {
-        media = <VideoPlayer media={status.getIn(['media_attachments', 0])} sensitive={status.get('sensitive')} />;
+      if (status.getIn(['media_attachments', 0, 'type']) === 'video' || (status.get('media_attachments').size === 1 && status.getIn(['media_attachments', 0, 'type']) === 'gifv')) {
+        media = <VideoPlayer media={status.getIn(['media_attachments', 0])} autoplay={status.getIn(['media_attachments', 0, 'type']) === 'gifv'} sensitive={status.get('sensitive')} />;
       } else {
         media = <MediaGallery media={status.get('media_attachments')} sensitive={status.get('sensitive')} height={110} onOpenMedia={this.props.onOpenMedia} />;
       }

app/assets/javascripts/components/components/video_player.jsx

@@ -175,7 +175,7 @@ const VideoPlayer = React.createClass({
         );
       } else {
         return (
-          <div style={{...spoilerStyle, width: `${width}px`, height: `${height}px` }} className='media-spoiler' onClick={this.handleOpen}>
+          <div style={{...spoilerStyle, width: `${width}px`, height: `${height}px` }} className='media-spoiler' onClick={this.handleVisibility}>
             {spoilerButton}
             <span style={spoilerSpanStyle}><FormattedMessage id='status.media_hidden' defaultMessage='Media hidden' /></span>
             <span style={spoilerSubSpanStyle}><FormattedMessage id='status.sensitive_toggle' defaultMessage='Click to view' /></span>
@@ -197,7 +197,7 @@ const VideoPlayer = React.createClass({
       <div style={{ cursor: 'default', marginTop: '8px', overflow: 'hidden', width: `${width}px`, height: `${height}px`, boxSizing: 'border-box', background: '#000', position: 'relative' }}>
         {spoilerButton}
         {muteButton}
-        <video ref={this.setRef} src={media.get('url')} autoPlay='true' loop={true} muted={this.state.muted} style={videoStyle} onClick={this.handleVideoClick} />
+        <video ref={this.setRef} src={media.get('url')} autoPlay={true} loop={true} muted={this.state.muted} style={videoStyle} onClick={this.handleVideoClick} />
       </div>
     );
   }

app/assets/javascripts/components/features/status/components/detailed_status.jsx

@@ -38,7 +38,7 @@ const DetailedStatus = React.createClass({
     let applicationLink = '';
 
     if (status.get('media_attachments').size > 0) {
-      if (status.getIn(['media_attachments', 0, 'type']) === 'video') {
+      if (status.getIn(['media_attachments', 0, 'type']) === 'video' || (status.get('media_attachments').size === 1 && status.getIn(['media_attachments', 0, 'type']) === 'gifv')) {
         media = <VideoPlayer sensitive={status.get('sensitive')} media={status.getIn(['media_attachments', 0])} width={300} height={150} autoplay />;
       } else {
         media = <MediaGallery sensitive={status.get('sensitive')} media={status.get('media_attachments')} height={300} onOpenMedia={this.props.onOpenMedia} />;

app/assets/javascripts/components/features/ui/containers/modal_container.jsx

@@ -9,6 +9,7 @@ import ImageLoader from 'react-imageloader';
 import LoadingIndicator from '../../../components/loading_indicator';
 import PureRenderMixin from 'react-addons-pure-render-mixin';
 import ImmutablePropTypes from 'react-immutable-proptypes';
+import ExtendedVideoPlayer from '../../../components/extended_video_player';
 
 const mapStateToProps = state => ({
   media: state.getIn(['modal', 'media']),
@@ -131,27 +132,34 @@ const Modal = React.createClass({
       return null;
     }
 
-    const url = media.get(index).get('url');
+    const attachment = media.get(index);
+    const url = attachment.get('url');
 
-    let leftNav, rightNav;
+    let leftNav, rightNav, content;
 
-    leftNav = rightNav = '';
+    leftNav = rightNav = content = '';
 
     if (media.size > 1) {
       leftNav  = <div style={leftNavStyle} className='modal-container--nav' onClick={this.handlePrevClick}><i className='fa fa-fw fa-chevron-left' /></div>;
       rightNav = <div style={rightNavStyle} className='modal-container--nav' onClick={this.handleNextClick}><i className='fa fa-fw fa-chevron-right' /></div>;
     }
 
-    return (
-      <Lightbox {...other}>
-        {leftNav}
-
+    if (attachment.get('type') === 'image') {
+      content = (
         <ImageLoader
           src={url}
           preloader={preloader}
           imgProps={{ style: imageStyle }}
         />
+      );
+    } else if (attachment.get('type') === 'gifv') {
+      content = <ExtendedVideoPlayer src={url} />;
+    }
 
+    return (
+      <Lightbox {...other}>
+        {leftNav}
+        {content}
         {rightNav}
       </Lightbox>
     );

app/assets/stylesheets/stream_entries.scss

@@ -104,8 +104,12 @@
       overflow: hidden;
       width: 100%;
       box-sizing: border-box;
-      height: 110px;
+      position: relative;
+
+      .status__attachments__inner {
         display: flex;
+        height: 214px;
+      }
     }
   }
 
@@ -184,8 +188,12 @@
       overflow: hidden;
       width: 100%;
       box-sizing: border-box;
-      height: 300px;
+      position: relative;
+
+      .status__attachments__inner {
         display: flex;
+        height: 360px;
+      }
     }
 
     .video-player {
@@ -231,11 +239,19 @@
       text-decoration: none;
       cursor: zoom-in;
     }
+
+    video {
+      position: relative;
+      z-index: 1;
+      width: 100%;
+      height: 100%;
+      object-fit: cover;
+      top: 50%;
+      transform: translateY(-50%);
+    }
   }
 
   .video-item {
-    max-width: 196px;
-
     a {
       cursor: pointer;
     }
@@ -258,6 +274,9 @@
     width: 100%;
     height: 100%;
     cursor: pointer;
+    position: absolute;
+    top: 0;
+    left: 0;
     display: flex;
     align-items: center;
     justify-content: center;

app/models/media_attachment.rb

@@ -1,15 +1,32 @@
 # frozen_string_literal: true
 
 class MediaAttachment < ApplicationRecord
+  self.inheritance_column = nil
+
+  enum type: [:image, :gifv, :video]
+
   IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
   VIDEO_MIME_TYPES = ['video/webm', 'video/mp4'].freeze
 
+  IMAGE_STYLES = { original: '1280x1280>', small: '400x400>' }.freeze
+  VIDEO_STYLES = {
+    small: {
+      convert_options: {
+        output: {
+          vf: 'scale=\'min(400\, iw):min(400\, ih)\':force_original_aspect_ratio=decrease',
+        },
+      },
+      format: 'png',
+      time: 0,
+    },
+  }.freeze
+
   belongs_to :account, inverse_of: :media_attachments
   belongs_to :status,  inverse_of: :media_attachments
 
   has_attached_file :file,
                     styles: ->(f) { file_styles f },
-                    processors: -> (f) { f.video? ? [:transcoder] : [:thumbnail] },
+                    processors: ->(f) { file_processors f },
                     convert_options: { all: '-quality 90 -strip' }
   validates_attachment_content_type :file, content_type: IMAGE_MIME_TYPES + VIDEO_MIME_TYPES
   validates_attachment_size :file, less_than: 8.megabytes
@@ -27,45 +44,45 @@ class MediaAttachment < ApplicationRecord
     self.file = URI.parse(url)
   end
 
-  def image?
-    IMAGE_MIME_TYPES.include? file_content_type
-  end
-
-  def video?
-    VIDEO_MIME_TYPES.include? file_content_type
-  end
-
-  def type
-    image? ? 'image' : 'video'
-  end
-
   def to_param
     shortcode
   end
 
   before_create :set_shortcode
+  before_post_process :set_type
 
   class << self
     private
 
     def file_styles(f)
-      if f.instance.image?
+      if f.instance.file_content_type == 'image/gif'
         {
-          original: '1280x1280>',
-          small: '400x400>',
-        }
-      else
-        {
-          small: {
+          small: IMAGE_STYLES[:small],
+          original: {
+            format: 'webm',
             convert_options: {
               output: {
-                vf: 'scale=\'min(400\, iw):min(400\, ih)\':force_original_aspect_ratio=decrease',
+                'c:v' => 'libvpx',
+                'crf' => 6,
+                'b:v' => '500K',
               },
             },
-            format: 'png',
-            time: 1,
           },
         }
+      elsif IMAGE_MIME_TYPES.include? f.instance.file_content_type
+        IMAGE_STYLES
+      else
+        VIDEO_STYLES
+      end
+    end
+
+    def file_processors(f)
+      if f.file_content_type == 'image/gif'
+        [:gif_transcoder]
+      elsif VIDEO_MIME_TYPES.include? f.file_content_type
+        [:transcoder]
+      else
+        [:thumbnail]
       end
     end
   end
@@ -80,4 +97,8 @@ class MediaAttachment < ApplicationRecord
       break if MediaAttachment.find_by(shortcode: shortcode).nil?
     end
   end
+
+  def set_type
+    self.type = VIDEO_MIME_TYPES.include?(file_content_type) ? :video : :image
+  end
 end

app/views/stream_entries/_detailed_status.html.haml

@@ -22,9 +22,9 @@
       .detailed-status__attachments
         - if status.sensitive?
           = render partial: 'stream_entries/content_spoiler'
+        .status__attachments__inner
           - status.media_attachments.each do |media|
-          .media-item
-            = link_to '', (media.remote_url.blank? ? media.file.url(:original) : media.remote_url), style: "background-image: url(#{media.file.url(:original)})", target: '_blank', rel: 'noopener', class: "u-#{media.video? ? 'video' : 'photo'}"
+            = render partial: 'stream_entries/media', locals: { media: media }
 
   %div.detailed-status__meta
     %data.dt-published{ value: status.created_at.to_time.iso8601 }

app/views/stream_entries/_media.html.haml

@@ -0,0 +1,4 @@
+.media-item
+  = link_to media.remote_url.blank? ? media.file.url(:original) : media.remote_url, style: media.image? ? "background-image: url(#{media.file.url(:original)})" : "", target: '_blank', rel: 'noopener', class: "u-#{media.video? || media.gifv? ? 'video' : 'photo'}" do
+    - unless media.image?
+      %video{ src: media.file.url(:original), autoplay: true, loop: true }/

app/views/stream_entries/_simple_status.html.haml

@@ -22,11 +22,12 @@
       - if status.sensitive?
         = render partial: 'stream_entries/content_spoiler'
       - if status.media_attachments.first.video?
+        .status__attachments__inner
           .video-item
             = link_to (status.media_attachments.first.remote_url.blank? ? status.media_attachments.first.file.url(:original) : status.media_attachments.first.remote_url), style: "background-image: url(#{status.media_attachments.first.file.url(:small)})", target: '_blank', rel: 'noopener', class: 'u-video' do
               .video-item__play
                 = fa_icon('play')
       - else
+        .status__attachments__inner
           - status.media_attachments.each do |media|
-          .media-item
-            = link_to '', (media.remote_url.blank? ? media.file.url(:original) : media.remote_url), style: "background-image: url(#{media.file.url(:original)})", target: '_blank', rel: 'noopener', class: "u-#{media.video? ? 'video' : 'photo'}"
+            = render partial: 'stream_entries/media', locals: { media: media }

config/application.rb

@@ -2,12 +2,13 @@ require_relative 'boot'
 
 require 'rails/all'
 
-require_relative '../app/lib/exceptions'
-
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.
 Bundler.require(*Rails.groups)
 
+require_relative '../app/lib/exceptions'
+require_relative '../lib/paperclip/gif_transcoder'
+
 Dotenv::Railtie.load
 
 module Mastodon

db/migrate/20170304202101_add_type_to_media_attachments.rb

@@ -0,0 +1,12 @@
+class AddTypeToMediaAttachments < ActiveRecord::Migration[5.0]
+  def up
+    add_column :media_attachments, :type, :integer, default: 0, null: false
+
+    MediaAttachment.where(file_content_type: MediaAttachment::IMAGE_MIME_TYPES).update_all(type: MediaAttachment.types[:image])
+    MediaAttachment.where(file_content_type: MediaAttachment::VIDEO_MIME_TYPES).update_all(type: MediaAttachment.types[:video])
+  end
+
+  def down
+    remove_column :media_attachments, :type
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170303212857) do
+ActiveRecord::Schema.define(version: 20170304202101) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -98,6 +98,7 @@ ActiveRecord::Schema.define(version: 20170303212857) do
     t.datetime "created_at",                     null: false
     t.datetime "updated_at",                     null: false
     t.string   "shortcode"
+    t.integer  "type",              default: 0,  null: false
     t.index ["shortcode"], name: "index_media_attachments_on_shortcode", unique: true, using: :btree
     t.index ["status_id"], name: "index_media_attachments_on_status_id", using: :btree
   end

lib/paperclip/gif_transcoder.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+module Paperclip
+  # This transcoder is only to be used for the MediaAttachment model
+  # to convert animated gifs to webm
+  class GifTranscoder < Paperclip::Processor
+    def make
+      num_frames = identify('-format %n :file', file: file.path).to_i
+
+      return file unless options[:style] == :original && num_frames > 1
+
+      final_file = Paperclip::Transcoder.make(file, options, attachment)
+
+      attachment.instance.file_file_name    = 'media.webm'
+      attachment.instance.file_content_type = 'video/webm'
+      attachment.instance.type              = MediaAttachment.types[:gifv]
+
+      final_file
+    end
+  end
+end