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-rw-r--r--app/controllers/api/v1/media_controller.rb6
-rw-r--r--app/controllers/api/v1/reports_controller.rb2
-rw-r--r--app/controllers/api/v1/statuses_controller.rb54
-rw-r--r--app/javascript/flavours/glitch/actions/compose.js51
-rw-r--r--app/javascript/flavours/glitch/actions/statuses.js37
-rw-r--r--app/javascript/flavours/glitch/components/status_action_bar.js6
-rw-r--r--app/javascript/flavours/glitch/containers/status_container.js6
-rw-r--r--app/javascript/flavours/glitch/features/compose/components/compose_form.js3
-rw-r--r--app/javascript/flavours/glitch/features/compose/components/publisher.js70
-rw-r--r--app/javascript/flavours/glitch/features/compose/containers/compose_form_container.js1
-rw-r--r--app/javascript/flavours/glitch/features/compose/containers/reply_indicator_container.js20
-rw-r--r--app/javascript/flavours/glitch/features/status/components/action_bar.js7
-rw-r--r--app/javascript/flavours/glitch/features/status/index.js7
-rw-r--r--app/javascript/flavours/glitch/reducers/compose.js33
-rw-r--r--app/javascript/mastodon/actions/compose.js41
-rw-r--r--app/javascript/mastodon/actions/statuses.js37
-rw-r--r--app/javascript/mastodon/components/status_action_bar.js6
-rw-r--r--app/javascript/mastodon/containers/status_container.js5
-rw-r--r--app/javascript/mastodon/features/compose/components/compose_form.js6
-rw-r--r--app/javascript/mastodon/features/compose/containers/compose_form_container.js1
-rw-r--r--app/javascript/mastodon/features/compose/containers/reply_indicator_container.js17
-rw-r--r--app/javascript/mastodon/features/status/components/action_bar.js7
-rw-r--r--app/javascript/mastodon/features/status/index.js6
-rw-r--r--app/javascript/mastodon/reducers/compose.js45
-rw-r--r--app/models/media_attachment.rb4
-rw-r--r--app/models/poll.rb6
-rw-r--r--app/models/report.rb9
-rw-r--r--app/models/status.rb11
-rw-r--r--app/policies/status_policy.rb2
-rw-r--r--app/services/activitypub/process_status_update_service.rb20
-rw-r--r--app/services/process_hashtags_service.rb42
-rw-r--r--app/services/report_service.rb12
-rw-r--r--app/services/update_status_service.rb153
-rw-r--r--app/workers/activitypub/status_update_distribution_worker.rb29
34 files changed, 616 insertions, 146 deletions
diff --git a/app/controllers/api/v1/media_controller.rb b/app/controllers/api/v1/media_controller.rb
index a2a919a3e..72094790f 100644
--- a/app/controllers/api/v1/media_controller.rb
+++ b/app/controllers/api/v1/media_controller.rb
@@ -20,7 +20,7 @@ class Api::V1::MediaController < Api::BaseController
   end
 
   def update
-    @media_attachment.update!(media_attachment_params)
+    @media_attachment.update!(updateable_media_attachment_params)
     render json: @media_attachment, serializer: REST::MediaAttachmentSerializer, status: status_code_for_media_attachment
   end
 
@@ -42,6 +42,10 @@ class Api::V1::MediaController < Api::BaseController
     params.permit(:file, :thumbnail, :description, :focus)
   end
 
+  def updateable_media_attachment_params
+    params.permit(:thumbnail, :description, :focus)
+  end
+
   def file_type_error
     { error: 'File type of uploaded media could not be verified' }
   end
diff --git a/app/controllers/api/v1/reports_controller.rb b/app/controllers/api/v1/reports_controller.rb
index e10083d45..052d70cc8 100644
--- a/app/controllers/api/v1/reports_controller.rb
+++ b/app/controllers/api/v1/reports_controller.rb
@@ -33,6 +33,6 @@ class Api::V1::ReportsController < Api::BaseController
   end
 
   def report_params
-    params.permit(:account_id, :comment, :forward, status_ids: [])
+    params.permit(:account_id, :comment, :category, :forward, status_ids: [], rule_ids: [])
   end
 end
diff --git a/app/controllers/api/v1/statuses_controller.rb b/app/controllers/api/v1/statuses_controller.rb
index b1390ae48..eaac8e563 100644
--- a/app/controllers/api/v1/statuses_controller.rb
+++ b/app/controllers/api/v1/statuses_controller.rb
@@ -3,8 +3,8 @@
 class Api::V1::StatusesController < Api::BaseController
   include Authorization
 
-  before_action -> { authorize_if_got_token! :read, :'read:statuses' }, except: [:create, :destroy]
-  before_action -> { doorkeeper_authorize! :write, :'write:statuses' }, only:   [:create, :destroy]
+  before_action -> { authorize_if_got_token! :read, :'read:statuses' }, except: [:create, :update, :destroy]
+  before_action -> { doorkeeper_authorize! :write, :'write:statuses' }, only:   [:create, :update, :destroy]
   before_action :require_user!, except:  [:show, :context]
   before_action :set_status, only:       [:show, :context]
   before_action :set_thread, only:       [:create]
@@ -35,25 +35,46 @@ class Api::V1::StatusesController < Api::BaseController
   end
 
   def create
-    @status = PostStatusService.new.call(current_user.account,
-                                         text: status_params[:status],
-                                         thread: @thread,
-                                         media_ids: status_params[:media_ids],
-                                         sensitive: status_params[:sensitive],
-                                         spoiler_text: status_params[:spoiler_text],
-                                         visibility: status_params[:visibility],
-                                         scheduled_at: status_params[:scheduled_at],
-                                         application: doorkeeper_token.application,
-                                         poll: status_params[:poll],
-                                         content_type: status_params[:content_type],
-                                         idempotency: request.headers['Idempotency-Key'],
-                                         with_rate_limit: true)
+    @status = PostStatusService.new.call(
+      current_user.account,
+      text: status_params[:status],
+      thread: @thread,
+      media_ids: status_params[:media_ids],
+      sensitive: status_params[:sensitive],
+      spoiler_text: status_params[:spoiler_text],
+      visibility: status_params[:visibility],
+      language: status_params[:language],
+      scheduled_at: status_params[:scheduled_at],
+      application: doorkeeper_token.application,
+      poll: status_params[:poll],
+      content_type: status_params[:content_type],
+      idempotency: request.headers['Idempotency-Key'],
+      with_rate_limit: true
+    )
 
     render json: @status, serializer: @status.is_a?(ScheduledStatus) ? REST::ScheduledStatusSerializer : REST::StatusSerializer
   end
 
+  def update
+    @status = Status.where(account: current_account).find(params[:id])
+    authorize @status, :update?
+
+    UpdateStatusService.new.call(
+      @status,
+      current_account.id,
+      text: status_params[:status],
+      media_ids: status_params[:media_ids],
+      sensitive: status_params[:sensitive],
+      spoiler_text: status_params[:spoiler_text],
+      poll: status_params[:poll],
+      content_type: status_params[:content_type]
+    )
+
+    render json: @status, serializer: REST::StatusSerializer
+  end
+
   def destroy
-    @status = Status.where(account_id: current_user.account).find(params[:id])
+    @status = Status.where(account: current_account).find(params[:id])
     authorize @status, :destroy?
 
     @status.discard
@@ -85,6 +106,7 @@ class Api::V1::StatusesController < Api::BaseController
       :sensitive,
       :spoiler_text,
       :visibility,
+      :language,
       :scheduled_at,
       :content_type,
       media_ids: [],
diff --git a/app/javascript/flavours/glitch/actions/compose.js b/app/javascript/flavours/glitch/actions/compose.js
index 261c72b2a..baa98e98f 100644
--- a/app/javascript/flavours/glitch/actions/compose.js
+++ b/app/javascript/flavours/glitch/actions/compose.js
@@ -75,6 +75,8 @@ export const INIT_MEDIA_EDIT_MODAL = 'INIT_MEDIA_EDIT_MODAL';
 export const COMPOSE_CHANGE_MEDIA_DESCRIPTION = 'COMPOSE_CHANGE_MEDIA_DESCRIPTION';
 export const COMPOSE_CHANGE_MEDIA_FOCUS       = 'COMPOSE_CHANGE_MEDIA_FOCUS';
 
+export const COMPOSE_SET_STATUS = 'COMPOSE_SET_STATUS';
+
 const messages = defineMessages({
   uploadErrorLimit: { id: 'upload_error.limit', defaultMessage: 'File upload limit exceeded.' },
   uploadErrorPoll:  { id: 'upload_error.poll', defaultMessage: 'File upload not allowed with polls.' },
@@ -88,6 +90,15 @@ export const ensureComposeIsVisible = (getState, routerHistory) => {
   }
 };
 
+export function setComposeToStatus(status, text, spoiler_text) {
+  return{
+    type: COMPOSE_SET_STATUS,
+    status,
+    text,
+    spoiler_text,
+  };
+};
+
 export function changeCompose(text) {
   return {
     type: COMPOSE_CHANGE,
@@ -150,8 +161,9 @@ export function directCompose(account, routerHistory) {
 
 export function submitCompose(routerHistory) {
   return function (dispatch, getState) {
-    let status = getState().getIn(['compose', 'text'], '');
-    let media  = getState().getIn(['compose', 'media_attachments']);
+    let status     = getState().getIn(['compose', 'text'], '');
+    const media    = getState().getIn(['compose', 'media_attachments']);
+    const statusId = getState().getIn(['compose', 'id'], null);
     const spoilers = getState().getIn(['compose', 'spoiler']) || getState().getIn(['local_settings', 'always_show_spoilers_field']);
     let spoilerText = spoilers ? getState().getIn(['compose', 'spoiler_text'], '') : '';
 
@@ -159,20 +171,25 @@ export function submitCompose(routerHistory) {
       return;
     }
 
-    dispatch(submitComposeRequest());
     if (getState().getIn(['compose', 'advanced_options', 'do_not_federate'])) {
       status = status + ' 👁️';
     }
-    api(getState).post('/api/v1/statuses', {
-      status,
-      content_type: getState().getIn(['compose', 'content_type']),
-      in_reply_to_id: getState().getIn(['compose', 'in_reply_to'], null),
-      media_ids: media.map(item => item.get('id')),
-      sensitive: getState().getIn(['compose', 'sensitive']) || (spoilerText.length > 0 && media.size !== 0),
-      spoiler_text: spoilerText,
-      visibility: getState().getIn(['compose', 'privacy']),
-      poll: getState().getIn(['compose', 'poll'], null),
-    }, {
+
+    dispatch(submitComposeRequest());
+
+    api(getState).request({
+      url: statusId === null ? '/api/v1/statuses' : `/api/v1/statuses/${statusId}`,
+      method: statusId === null ? 'post' : 'put',
+      data: {
+        status,
+        content_type: getState().getIn(['compose', 'content_type']),
+        in_reply_to_id: getState().getIn(['compose', 'in_reply_to'], null),
+        media_ids: media.map(item => item.get('id')),
+        sensitive: getState().getIn(['compose', 'sensitive']) || (spoilerText.length > 0 && media.size !== 0),
+        spoiler_text: spoilerText,
+        visibility: getState().getIn(['compose', 'privacy']),
+        poll: getState().getIn(['compose', 'poll'], null),
+      },
       headers: {
         'Idempotency-Key': getState().getIn(['compose', 'idempotencyKey']),
       },
@@ -202,14 +219,16 @@ export function submitCompose(routerHistory) {
         }
       };
 
-      insertIfOnline('home');
+      if (statusId === null) {
+        insertIfOnline('home');
+      }
 
-      if (response.data.in_reply_to_id === null && response.data.visibility === 'public') {
+      if (statusId === null && response.data.in_reply_to_id === null && response.data.visibility === 'public') {
         insertIfOnline('community');
         if (!response.data.local_only) {
           insertIfOnline('public');
         }
-      } else if (response.data.visibility === 'direct') {
+      } else if (statusId === null && response.data.visibility === 'direct') {
         insertIfOnline('direct');
       }
     }).catch(function (error) {
diff --git a/app/javascript/flavours/glitch/actions/statuses.js b/app/javascript/flavours/glitch/actions/statuses.js
index 7db357df1..6ffcf181d 100644
--- a/app/javascript/flavours/glitch/actions/statuses.js
+++ b/app/javascript/flavours/glitch/actions/statuses.js
@@ -2,7 +2,7 @@ import api from 'flavours/glitch/util/api';
 
 import { deleteFromTimelines } from './timelines';
 import { importFetchedStatus, importFetchedStatuses } from './importer';
-import { ensureComposeIsVisible } from './compose';
+import { ensureComposeIsVisible, setComposeToStatus } from './compose';
 
 export const STATUS_FETCH_REQUEST = 'STATUS_FETCH_REQUEST';
 export const STATUS_FETCH_SUCCESS = 'STATUS_FETCH_SUCCESS';
@@ -26,6 +26,10 @@ export const STATUS_UNMUTE_FAIL    = 'STATUS_UNMUTE_FAIL';
 
 export const REDRAFT = 'REDRAFT';
 
+export const STATUS_FETCH_SOURCE_REQUEST = 'STATUS_FETCH_SOURCE_REQUEST';
+export const STATUS_FETCH_SOURCE_SUCCESS = 'STATUS_FETCH_SOURCE_SUCCESS';
+export const STATUS_FETCH_SOURCE_FAIL    = 'STATUS_FETCH_SOURCE_FAIL';
+
 export function fetchStatusRequest(id, skipLoading) {
   return {
     type: STATUS_FETCH_REQUEST,
@@ -81,6 +85,37 @@ export function redraft(status, raw_text, content_type) {
   };
 };
 
+export const editStatus = (id, routerHistory) => (dispatch, getState) => {
+  let status = getState().getIn(['statuses', id]);
+
+  if (status.get('poll')) {
+    status = status.set('poll', getState().getIn(['polls', status.get('poll')]));
+  }
+
+  dispatch(fetchStatusSourceRequest());
+
+  api(getState).get(`/api/v1/statuses/${id}/source`).then(response => {
+    dispatch(fetchStatusSourceSuccess());
+    ensureComposeIsVisible(getState, routerHistory);
+    dispatch(setComposeToStatus(status, response.data.text, response.data.spoiler_text));
+  }).catch(error => {
+    dispatch(fetchStatusSourceFail(error));
+  });
+};
+
+export const fetchStatusSourceRequest = () => ({
+  type: STATUS_FETCH_SOURCE_REQUEST,
+});
+
+export const fetchStatusSourceSuccess = () => ({
+  type: STATUS_FETCH_SOURCE_SUCCESS,
+});
+
+export const fetchStatusSourceFail = error => ({
+  type: STATUS_FETCH_SOURCE_FAIL,
+  error,
+});
+
 export function deleteStatus(id, routerHistory, withRedraft = false) {
   return (dispatch, getState) => {
     let status = getState().getIn(['statuses', id]);
diff --git a/app/javascript/flavours/glitch/components/status_action_bar.js b/app/javascript/flavours/glitch/components/status_action_bar.js
index ae67c6116..68d93cd67 100644
--- a/app/javascript/flavours/glitch/components/status_action_bar.js
+++ b/app/javascript/flavours/glitch/components/status_action_bar.js
@@ -13,6 +13,7 @@ import classNames from 'classnames';
 const messages = defineMessages({
   delete: { id: 'status.delete', defaultMessage: 'Delete' },
   redraft: { id: 'status.redraft', defaultMessage: 'Delete & re-draft' },
+  edit: { id: 'status.edit', defaultMessage: 'Edit' },
   direct: { id: 'status.direct', defaultMessage: 'Direct message @{name}' },
   mention: { id: 'status.mention', defaultMessage: 'Mention @{name}' },
   mute: { id: 'account.mute', defaultMessage: 'Mute @{name}' },
@@ -126,6 +127,10 @@ class StatusActionBar extends ImmutablePureComponent {
     this.props.onDelete(this.props.status, this.context.router.history, true);
   }
 
+  handleEditClick = () => {
+    this.props.onEdit(this.props.status, this.context.router.history);
+  }
+
   handlePinClick = () => {
     this.props.onPin(this.props.status);
   }
@@ -225,6 +230,7 @@ class StatusActionBar extends ImmutablePureComponent {
     }
 
     if (writtenByMe) {
+      // menu.push({ text: intl.formatMessage(messages.edit), action: this.handleEditClick });
       menu.push({ text: intl.formatMessage(messages.delete), action: this.handleDeleteClick });
       menu.push({ text: intl.formatMessage(messages.redraft), action: this.handleRedraftClick });
     } else {
diff --git a/app/javascript/flavours/glitch/containers/status_container.js b/app/javascript/flavours/glitch/containers/status_container.js
index bc3c43d85..358b89ab9 100644
--- a/app/javascript/flavours/glitch/containers/status_container.js
+++ b/app/javascript/flavours/glitch/containers/status_container.js
@@ -17,7 +17,7 @@ import {
   pin,
   unpin,
 } from 'flavours/glitch/actions/interactions';
-import { muteStatus, unmuteStatus, deleteStatus } from 'flavours/glitch/actions/statuses';
+import { muteStatus, unmuteStatus, deleteStatus, editStatus } from 'flavours/glitch/actions/statuses';
 import { initMuteModal } from 'flavours/glitch/actions/mutes';
 import { initBlockModal } from 'flavours/glitch/actions/blocks';
 import { initReport } from 'flavours/glitch/actions/reports';
@@ -169,6 +169,10 @@ const mapDispatchToProps = (dispatch, { intl, contextType }) => ({
     }
   },
 
+  onEdit (status, history) {
+    dispatch(editStatus(status.get('id'), history));
+  },
+
   onDirect (account, router) {
     dispatch(directCompose(account, router));
   },
diff --git a/app/javascript/flavours/glitch/features/compose/components/compose_form.js b/app/javascript/flavours/glitch/features/compose/components/compose_form.js
index 5dfc119c1..47dc87f16 100644
--- a/app/javascript/flavours/glitch/features/compose/components/compose_form.js
+++ b/app/javascript/flavours/glitch/features/compose/components/compose_form.js
@@ -47,6 +47,7 @@ class ComposeForm extends ImmutablePureComponent {
     preselectDate: PropTypes.instanceOf(Date),
     isSubmitting: PropTypes.bool,
     isChangingUpload: PropTypes.bool,
+    isEditing: PropTypes.bool,
     isUploading: PropTypes.bool,
     onChange: PropTypes.func,
     onSubmit: PropTypes.func,
@@ -293,6 +294,7 @@ class ComposeForm extends ImmutablePureComponent {
       spoilerText,
       suggestions,
       spoilersAlwaysOn,
+      isEditing,
     } = this.props;
 
     const countText = this.getFulltextForCharacterCounting();
@@ -364,6 +366,7 @@ class ComposeForm extends ImmutablePureComponent {
         <Publisher
           countText={countText}
           disabled={!this.canSubmit()}
+          isEditing={isEditing}
           onSecondarySubmit={handleSecondarySubmit}
           onSubmit={handleSubmit}
           privacy={privacy}
diff --git a/app/javascript/flavours/glitch/features/compose/components/publisher.js b/app/javascript/flavours/glitch/features/compose/components/publisher.js
index 1531dcaa9..9a8c0f510 100644
--- a/app/javascript/flavours/glitch/features/compose/components/publisher.js
+++ b/app/javascript/flavours/glitch/features/compose/components/publisher.js
@@ -2,7 +2,7 @@
 import classNames from 'classnames';
 import PropTypes from 'prop-types';
 import React from 'react';
-import { defineMessages, FormattedMessage, injectIntl } from 'react-intl';
+import { defineMessages, injectIntl } from 'react-intl';
 import { length } from 'stringz';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 
@@ -23,6 +23,7 @@ const messages = defineMessages({
     defaultMessage: '{publish}!',
     id: 'compose_form.publish_loud',
   },
+  saveChanges: { id: 'compose_form.save_changes', defaultMessage: 'Save changes' },
 });
 
 export default @injectIntl
@@ -36,6 +37,7 @@ class Publisher extends ImmutablePureComponent {
     onSubmit: PropTypes.func,
     privacy: PropTypes.oneOf(['direct', 'private', 'unlisted', 'public']),
     sideArm: PropTypes.oneOf(['none', 'direct', 'private', 'unlisted', 'public']),
+    isEditing: PropTypes.bool,
   };
 
   handleSubmit = () => {
@@ -43,7 +45,7 @@ class Publisher extends ImmutablePureComponent {
   };
 
   render () {
-    const { countText, disabled, intl, onSecondarySubmit, privacy, sideArm } = this.props;
+    const { countText, disabled, intl, onSecondarySubmit, privacy, sideArm, isEditing } = this.props;
 
     const diff = maxChars - length(countText || '');
     const computedClass = classNames('composer--publisher', {
@@ -51,63 +53,37 @@ class Publisher extends ImmutablePureComponent {
       over: diff < 0,
     });
 
+    const privacyIcons = { direct: 'envelope', private: 'lock', public: 'globe', unlisted: 'unlock' };
+
+    let publishText;
+    if (isEditing) {
+      publishText = intl.formatMessage(messages.saveChanges);
+    } else if (privacy === 'private' || privacy === 'direct') {
+      const iconId = privacyIcons[privacy];
+      publishText = (
+        <span>
+          <Icon id={iconId} /> {intl.formatMessage(messages.publish)}
+        </span>
+      );
+    } else {
+      publishText = privacy !== 'unlisted' ? intl.formatMessage(messages.publishLoud, { publish: intl.formatMessage(messages.publish) }) : intl.formatMessage(messages.publish);
+    }
+
     return (
       <div className={computedClass}>
-        {sideArm && sideArm !== 'none' ? (
+        {sideArm && !isEditing && sideArm !== 'none' ? (
           <Button
             className='side_arm'
             disabled={disabled}
             onClick={onSecondarySubmit}
             style={{ padding: null }}
-            text={
-              <span>
-                <Icon
-                  id={{
-                    public: 'globe',
-                    unlisted: 'unlock',
-                    private: 'lock',
-                    direct: 'envelope',
-                  }[sideArm]}
-                />
-              </span>
-            }
+            text={<Icon id={privacyIcons[sideArm]} />}
             title={`${intl.formatMessage(messages.publish)}: ${intl.formatMessage({ id: `privacy.${sideArm}.short` })}`}
           />
         ) : null}
         <Button
           className='primary'
-          text={function () {
-            switch (true) {
-            case !!sideArm && sideArm !== 'none':
-            case privacy === 'direct':
-            case privacy === 'private':
-              return (
-                <span>
-                  <Icon
-                    id={{
-                      direct: 'envelope',
-                      private: 'lock',
-                      public: 'globe',
-                      unlisted: 'unlock',
-                    }[privacy]}
-                  />
-                  {' '}
-                  <FormattedMessage {...messages.publish} />
-                </span>
-              );
-            case privacy === 'public':
-              return (
-                <span>
-                  <FormattedMessage
-                    {...messages.publishLoud}
-                    values={{ publish: <FormattedMessage {...messages.publish} /> }}
-                  />
-                </span>
-              );
-            default:
-              return <span><FormattedMessage {...messages.publish} /></span>;
-            }
-          }()}
+          text={publishText}
           title={`${intl.formatMessage(messages.publish)}: ${intl.formatMessage({ id: `privacy.${privacy}.short` })}`}
           onClick={this.handleSubmit}
           disabled={disabled}
diff --git a/app/javascript/flavours/glitch/features/compose/containers/compose_form_container.js b/app/javascript/flavours/glitch/features/compose/containers/compose_form_container.js
index 8eff8a36b..a037bbbcc 100644
--- a/app/javascript/flavours/glitch/features/compose/containers/compose_form_container.js
+++ b/app/javascript/flavours/glitch/features/compose/containers/compose_form_container.js
@@ -51,6 +51,7 @@ function mapStateToProps (state) {
     focusDate: state.getIn(['compose', 'focusDate']),
     caretPosition: state.getIn(['compose', 'caretPosition']),
     isSubmitting: state.getIn(['compose', 'is_submitting']),
+    isEditing: state.getIn(['compose', 'id']) !== null,
     isChangingUpload: state.getIn(['compose', 'is_changing_upload']),
     isUploading: state.getIn(['compose', 'is_uploading']),
     layout: state.getIn(['local_settings', 'layout']),
diff --git a/app/javascript/flavours/glitch/features/compose/containers/reply_indicator_container.js b/app/javascript/flavours/glitch/features/compose/containers/reply_indicator_container.js
index 395a9aa5b..dd6899be4 100644
--- a/app/javascript/flavours/glitch/features/compose/containers/reply_indicator_container.js
+++ b/app/javascript/flavours/glitch/features/compose/containers/reply_indicator_container.js
@@ -1,14 +1,24 @@
 import { connect } from 'react-redux';
 import { cancelReplyCompose } from 'flavours/glitch/actions/compose';
-import { makeGetStatus } from 'flavours/glitch/selectors';
 import ReplyIndicator from '../components/reply_indicator';
 
-function makeMapStateToProps (state) {
-  const inReplyTo = state.getIn(['compose', 'in_reply_to']);
+const makeMapStateToProps = () => {
+  const mapStateToProps = state => {
+    let statusId = state.getIn(['compose', 'id'], null);
+    let editing  = true;
 
-  return {
-    status: inReplyTo ? state.getIn(['statuses', inReplyTo]) : null,
+    if (statusId === null) {
+      statusId = state.getIn(['compose', 'in_reply_to']);
+      editing  = false;
+    }
+
+    return {
+      status: state.getIn(['statuses', statusId]),
+      editing,
+    };
   };
+
+  return mapStateToProps;
 };
 
 const mapDispatchToProps = dispatch => ({
diff --git a/app/javascript/flavours/glitch/features/status/components/action_bar.js b/app/javascript/flavours/glitch/features/status/components/action_bar.js
index eb4583026..a67a045da 100644
--- a/app/javascript/flavours/glitch/features/status/components/action_bar.js
+++ b/app/javascript/flavours/glitch/features/status/components/action_bar.js
@@ -11,6 +11,7 @@ import classNames from 'classnames';
 const messages = defineMessages({
   delete: { id: 'status.delete', defaultMessage: 'Delete' },
   redraft: { id: 'status.redraft', defaultMessage: 'Delete & re-draft' },
+  edit: { id: 'status.edit', defaultMessage: 'Edit' },
   direct: { id: 'status.direct', defaultMessage: 'Direct message @{name}' },
   mention: { id: 'status.mention', defaultMessage: 'Mention @{name}' },
   reply: { id: 'status.reply', defaultMessage: 'Reply' },
@@ -52,6 +53,7 @@ class ActionBar extends React.PureComponent {
     onMuteConversation: PropTypes.func,
     onBlock: PropTypes.func,
     onDelete: PropTypes.func.isRequired,
+    onEdit: PropTypes.func.isRequired,
     onDirect: PropTypes.func.isRequired,
     onMention: PropTypes.func.isRequired,
     onReport: PropTypes.func,
@@ -84,6 +86,10 @@ class ActionBar extends React.PureComponent {
     this.props.onDelete(this.props.status, this.context.router.history, true);
   }
 
+  handleEditClick = () => {
+    this.props.onEdit(this.props.status, this.context.router.history);
+  }
+
   handleDirectClick = () => {
     this.props.onDirect(this.props.status.get('account'), this.context.router.history);
   }
@@ -166,6 +172,7 @@ class ActionBar extends React.PureComponent {
 
       menu.push({ text: intl.formatMessage(mutingConversation ? messages.unmuteConversation : messages.muteConversation), action: this.handleConversationMuteClick });
       menu.push(null);
+      // menu.push({ text: intl.formatMessage(messages.edit), action: this.handleEditClick });
       menu.push({ text: intl.formatMessage(messages.delete), action: this.handleDeleteClick });
       menu.push({ text: intl.formatMessage(messages.redraft), action: this.handleRedraftClick });
     } else {
diff --git a/app/javascript/flavours/glitch/features/status/index.js b/app/javascript/flavours/glitch/features/status/index.js
index 12ea407ad..653fabeae 100644
--- a/app/javascript/flavours/glitch/features/status/index.js
+++ b/app/javascript/flavours/glitch/features/status/index.js
@@ -26,7 +26,7 @@ import {
   directCompose,
 } from 'flavours/glitch/actions/compose';
 import { changeLocalSetting } from 'flavours/glitch/actions/local_settings';
-import { muteStatus, unmuteStatus, deleteStatus } from 'flavours/glitch/actions/statuses';
+import { muteStatus, unmuteStatus, deleteStatus, editStatus } from 'flavours/glitch/actions/statuses';
 import { initMuteModal } from 'flavours/glitch/actions/mutes';
 import { initBlockModal } from 'flavours/glitch/actions/blocks';
 import { initReport } from 'flavours/glitch/actions/reports';
@@ -307,6 +307,10 @@ class Status extends ImmutablePureComponent {
     }
   }
 
+  handleEditClick = (status, history) => {
+    this.props.dispatch(editStatus(status.get('id'), history));
+  }
+
   handleDirectClick = (account, router) => {
     this.props.dispatch(directCompose(account, router));
   }
@@ -585,6 +589,7 @@ class Status extends ImmutablePureComponent {
                   onReblog={this.handleReblogClick}
                   onBookmark={this.handleBookmarkClick}
                   onDelete={this.handleDeleteClick}
+                  onEdit={this.handleEditClick}
                   onDirect={this.handleDirectClick}
                   onMention={this.handleMentionClick}
                   onMute={this.handleMuteClick}
diff --git a/app/javascript/flavours/glitch/reducers/compose.js b/app/javascript/flavours/glitch/reducers/compose.js
index d2ea0a924..f97c799e7 100644
--- a/app/javascript/flavours/glitch/reducers/compose.js
+++ b/app/javascript/flavours/glitch/reducers/compose.js
@@ -46,6 +46,7 @@ import {
   INIT_MEDIA_EDIT_MODAL,
   COMPOSE_CHANGE_MEDIA_DESCRIPTION,
   COMPOSE_CHANGE_MEDIA_FOCUS,
+  COMPOSE_SET_STATUS,
 } from 'flavours/glitch/actions/compose';
 import { TIMELINE_DELETE } from 'flavours/glitch/actions/timelines';
 import { STORE_HYDRATE } from 'flavours/glitch/actions/store';
@@ -75,6 +76,7 @@ const initialState = ImmutableMap({
   spoiler: false,
   spoiler_text: '',
   privacy: null,
+  id: null,
   content_type: defaultContentType || 'text/plain',
   text: '',
   focusDate: null,
@@ -160,6 +162,7 @@ function apiStatusToTextHashtags (state, status) {
 
 function clearAll(state) {
   return state.withMutations(map => {
+    map.set('id', null);
     map.set('text', '');
     if (defaultContentType) map.set('content_type', defaultContentType);
     map.set('spoiler', false);
@@ -400,6 +403,7 @@ export default function compose(state = initialState, action) {
       .set('elefriend', (state.get('elefriend') + 1) % totalElefriends);
   case COMPOSE_REPLY:
     return state.withMutations(map => {
+      map.set('id', null);
       map.set('in_reply_to', action.status.get('id'));
       map.set('text', statusToTextMentions(state, action.status));
       map.set('privacy', privacyPreference(action.status.get('visibility'), state.get('default_privacy')));
@@ -434,6 +438,7 @@ export default function compose(state = initialState, action) {
       map.set('spoiler', false);
       map.set('spoiler_text', '');
       map.set('privacy', state.get('default_privacy'));
+      map.set('id', null);
       map.set('poll', null);
       map.update(
         'advanced_options',
@@ -573,6 +578,34 @@ export default function compose(state = initialState, action) {
         }));
       }
     });
+  case COMPOSE_SET_STATUS:
+    return state.withMutations(map => {
+      map.set('id', action.status.get('id'));
+      map.set('text', action.text);
+      map.set('in_reply_to', action.status.get('in_reply_to_id'));
+      map.set('privacy', action.status.get('visibility'));
+      map.set('media_attachments', action.status.get('media_attachments'));
+      map.set('focusDate', new Date());
+      map.set('caretPosition', null);
+      map.set('idempotencyKey', uuid());
+      map.set('sensitive', action.status.get('sensitive'));
+
+      if (action.spoiler_text.length > 0) {
+        map.set('spoiler', true);
+        map.set('spoiler_text', action.spoiler_text);
+      } else {
+        map.set('spoiler', false);
+        map.set('spoiler_text', '');
+      }
+
+      if (action.status.get('poll')) {
+        map.set('poll', ImmutableMap({
+          options: action.status.getIn(['poll', 'options']).map(x => x.get('title')),
+          multiple: action.status.getIn(['poll', 'multiple']),
+          expires_in: expiresInFromExpiresAt(action.status.getIn(['poll', 'expires_at'])),
+        }));
+      }
+    });
   case COMPOSE_POLL_ADD:
     return state.set('poll', initialPoll);
   case COMPOSE_POLL_REMOVE:
diff --git a/app/javascript/mastodon/actions/compose.js b/app/javascript/mastodon/actions/compose.js
index 7c3bbcbd8..f3129f8d9 100644
--- a/app/javascript/mastodon/actions/compose.js
+++ b/app/javascript/mastodon/actions/compose.js
@@ -70,6 +70,8 @@ export const INIT_MEDIA_EDIT_MODAL = 'INIT_MEDIA_EDIT_MODAL';
 export const COMPOSE_CHANGE_MEDIA_DESCRIPTION = 'COMPOSE_CHANGE_MEDIA_DESCRIPTION';
 export const COMPOSE_CHANGE_MEDIA_FOCUS       = 'COMPOSE_CHANGE_MEDIA_FOCUS';
 
+export const COMPOSE_SET_STATUS = 'COMPOSE_SET_STATUS';
+
 const messages = defineMessages({
   uploadErrorLimit: { id: 'upload_error.limit', defaultMessage: 'File upload limit exceeded.' },
   uploadErrorPoll:  { id: 'upload_error.poll', defaultMessage: 'File upload not allowed with polls.' },
@@ -83,6 +85,15 @@ export const ensureComposeIsVisible = (getState, routerHistory) => {
   }
 };
 
+export function setComposeToStatus(status, text, spoiler_text) {
+  return{
+    type: COMPOSE_SET_STATUS,
+    status,
+    text,
+    spoiler_text,
+  };
+};
+
 export function changeCompose(text) {
   return {
     type: COMPOSE_CHANGE,
@@ -137,8 +148,9 @@ export function directCompose(account, routerHistory) {
 
 export function submitCompose(routerHistory) {
   return function (dispatch, getState) {
-    const status = getState().getIn(['compose', 'text'], '');
-    const media  = getState().getIn(['compose', 'media_attachments']);
+    const status   = getState().getIn(['compose', 'text'], '');
+    const media    = getState().getIn(['compose', 'media_attachments']);
+    const statusId = getState().getIn(['compose', 'id'], null);
 
     if ((!status || !status.length) && media.size === 0) {
       return;
@@ -146,15 +158,18 @@ export function submitCompose(routerHistory) {
 
     dispatch(submitComposeRequest());
 
-    api(getState).post('/api/v1/statuses', {
-      status,
-      in_reply_to_id: getState().getIn(['compose', 'in_reply_to'], null),
-      media_ids: media.map(item => item.get('id')),
-      sensitive: getState().getIn(['compose', 'sensitive']),
-      spoiler_text: getState().getIn(['compose', 'spoiler']) ? getState().getIn(['compose', 'spoiler_text'], '') : '',
-      visibility: getState().getIn(['compose', 'privacy']),
-      poll: getState().getIn(['compose', 'poll'], null),
-    }, {
+    api(getState).request({
+      url: statusId === null ? '/api/v1/statuses' : `/api/v1/statuses/${statusId}`,
+      method: statusId === null ? 'post' : 'put',
+      data: {
+        status,
+        in_reply_to_id: getState().getIn(['compose', 'in_reply_to'], null),
+        media_ids: media.map(item => item.get('id')),
+        sensitive: getState().getIn(['compose', 'sensitive']),
+        spoiler_text: getState().getIn(['compose', 'spoiler']) ? getState().getIn(['compose', 'spoiler_text'], '') : '',
+        visibility: getState().getIn(['compose', 'privacy']),
+        poll: getState().getIn(['compose', 'poll'], null),
+      },
       headers: {
         'Idempotency-Key': getState().getIn(['compose', 'idempotencyKey']),
       },
@@ -176,11 +191,11 @@ export function submitCompose(routerHistory) {
         }
       };
 
-      if (response.data.visibility !== 'direct') {
+      if (statusId === null && response.data.visibility !== 'direct') {
         insertIfOnline('home');
       }
 
-      if (response.data.in_reply_to_id === null && response.data.visibility === 'public') {
+      if (statusId === null && response.data.in_reply_to_id === null && response.data.visibility === 'public') {
         insertIfOnline('community');
         if (!response.data.local_only) {
           insertIfOnline('public');
diff --git a/app/javascript/mastodon/actions/statuses.js b/app/javascript/mastodon/actions/statuses.js
index 20d71362e..adc24eabf 100644
--- a/app/javascript/mastodon/actions/statuses.js
+++ b/app/javascript/mastodon/actions/statuses.js
@@ -2,7 +2,7 @@ import api from '../api';
 
 import { deleteFromTimelines } from './timelines';
 import { importFetchedStatus, importFetchedStatuses, importFetchedAccount } from './importer';
-import { ensureComposeIsVisible } from './compose';
+import { ensureComposeIsVisible, setComposeToStatus } from './compose';
 
 export const STATUS_FETCH_REQUEST = 'STATUS_FETCH_REQUEST';
 export const STATUS_FETCH_SUCCESS = 'STATUS_FETCH_SUCCESS';
@@ -30,6 +30,10 @@ export const STATUS_COLLAPSE = 'STATUS_COLLAPSE';
 
 export const REDRAFT = 'REDRAFT';
 
+export const STATUS_FETCH_SOURCE_REQUEST = 'STATUS_FETCH_SOURCE_REQUEST';
+export const STATUS_FETCH_SOURCE_SUCCESS = 'STATUS_FETCH_SOURCE_SUCCESS';
+export const STATUS_FETCH_SOURCE_FAIL    = 'STATUS_FETCH_SOURCE_FAIL';
+
 export function fetchStatusRequest(id, skipLoading) {
   return {
     type: STATUS_FETCH_REQUEST,
@@ -84,6 +88,37 @@ export function redraft(status, raw_text) {
   };
 };
 
+export const editStatus = (id, routerHistory) => (dispatch, getState) => {
+  let status = getState().getIn(['statuses', id]);
+
+  if (status.get('poll')) {
+    status = status.set('poll', getState().getIn(['polls', status.get('poll')]));
+  }
+
+  dispatch(fetchStatusSourceRequest());
+
+  api(getState).get(`/api/v1/statuses/${id}/source`).then(response => {
+    dispatch(fetchStatusSourceSuccess());
+    ensureComposeIsVisible(getState, routerHistory);
+    dispatch(setComposeToStatus(status, response.data.text, response.data.spoiler_text));
+  }).catch(error => {
+    dispatch(fetchStatusSourceFail(error));
+  });
+};
+
+export const fetchStatusSourceRequest = () => ({
+  type: STATUS_FETCH_SOURCE_REQUEST,
+});
+
+export const fetchStatusSourceSuccess = () => ({
+  type: STATUS_FETCH_SOURCE_SUCCESS,
+});
+
+export const fetchStatusSourceFail = error => ({
+  type: STATUS_FETCH_SOURCE_FAIL,
+  error,
+});
+
 export function deleteStatus(id, routerHistory, withRedraft = false) {
   return (dispatch, getState) => {
     let status = getState().getIn(['statuses', id]);
diff --git a/app/javascript/mastodon/components/status_action_bar.js b/app/javascript/mastodon/components/status_action_bar.js
index 4e19cc0e4..e3a7d763f 100644
--- a/app/javascript/mastodon/components/status_action_bar.js
+++ b/app/javascript/mastodon/components/status_action_bar.js
@@ -12,6 +12,7 @@ import classNames from 'classnames';
 const messages = defineMessages({
   delete: { id: 'status.delete', defaultMessage: 'Delete' },
   redraft: { id: 'status.redraft', defaultMessage: 'Delete & re-draft' },
+  edit: { id: 'status.edit', defaultMessage: 'Edit' },
   direct: { id: 'status.direct', defaultMessage: 'Direct message @{name}' },
   mention: { id: 'status.mention', defaultMessage: 'Mention @{name}' },
   mute: { id: 'account.mute', defaultMessage: 'Mute @{name}' },
@@ -137,6 +138,10 @@ class StatusActionBar extends ImmutablePureComponent {
     this.props.onDelete(this.props.status, this.context.router.history, true);
   }
 
+  handleEditClick = () => {
+    this.props.onEdit(this.props.status, this.context.router.history);
+  }
+
   handlePinClick = () => {
     this.props.onPin(this.props.status);
   }
@@ -255,6 +260,7 @@ class StatusActionBar extends ImmutablePureComponent {
     }
 
     if (writtenByMe) {
+      // menu.push({ text: intl.formatMessage(messages.edit), action: this.handleEditClick });
       menu.push({ text: intl.formatMessage(messages.delete), action: this.handleDeleteClick });
       menu.push({ text: intl.formatMessage(messages.redraft), action: this.handleRedraftClick });
     } else {
diff --git a/app/javascript/mastodon/containers/status_container.js b/app/javascript/mastodon/containers/status_container.js
index 9abdec138..ef0aca13a 100644
--- a/app/javascript/mastodon/containers/status_container.js
+++ b/app/javascript/mastodon/containers/status_container.js
@@ -24,6 +24,7 @@ import {
   hideStatus,
   revealStatus,
   toggleStatusCollapse,
+  editStatus,
 } from '../actions/statuses';
 import {
   unmuteAccount,
@@ -142,6 +143,10 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
     }
   },
 
+  onEdit (status, history) {
+    dispatch(editStatus(status.get('id'), history));
+  },
+
   onDirect (account, router) {
     dispatch(directCompose(account, router));
   },
diff --git a/app/javascript/mastodon/features/compose/components/compose_form.js b/app/javascript/mastodon/features/compose/components/compose_form.js
index 647d0fba2..311d00626 100644
--- a/app/javascript/mastodon/features/compose/components/compose_form.js
+++ b/app/javascript/mastodon/features/compose/components/compose_form.js
@@ -29,6 +29,7 @@ const messages = defineMessages({
   spoiler_placeholder: { id: 'compose_form.spoiler_placeholder', defaultMessage: 'Write your warning here' },
   publish: { id: 'compose_form.publish', defaultMessage: 'Toot' },
   publishLoud: { id: 'compose_form.publish_loud', defaultMessage: '{publish}!' },
+  saveChanges: { id: 'compose_form.save_changes', defaultMessage: 'Save changes' },
 });
 
 export default @injectIntl
@@ -50,6 +51,7 @@ class ComposeForm extends ImmutablePureComponent {
     preselectDate: PropTypes.instanceOf(Date),
     isSubmitting: PropTypes.bool,
     isChangingUpload: PropTypes.bool,
+    isEditing: PropTypes.bool,
     isUploading: PropTypes.bool,
     onChange: PropTypes.func.isRequired,
     onSubmit: PropTypes.func.isRequired,
@@ -200,7 +202,9 @@ class ComposeForm extends ImmutablePureComponent {
     const disabled = this.props.isSubmitting;
     let publishText = '';
 
-    if (this.props.privacy === 'private' || this.props.privacy === 'direct') {
+    if (this.props.isEditing) {
+      publishText = intl.formatMessage(messages.saveChanges);
+    } else if (this.props.privacy === 'private' || this.props.privacy === 'direct') {
       publishText = <span className='compose-form__publish-private'><Icon id='lock' /> {intl.formatMessage(messages.publish)}</span>;
     } else {
       publishText = this.props.privacy !== 'unlisted' ? intl.formatMessage(messages.publishLoud, { publish: intl.formatMessage(messages.publish) }) : intl.formatMessage(messages.publish);
diff --git a/app/javascript/mastodon/features/compose/containers/compose_form_container.js b/app/javascript/mastodon/features/compose/containers/compose_form_container.js
index c44850294..1be7633cc 100644
--- a/app/javascript/mastodon/features/compose/containers/compose_form_container.js
+++ b/app/javascript/mastodon/features/compose/containers/compose_form_container.js
@@ -21,6 +21,7 @@ const mapStateToProps = state => ({
   caretPosition: state.getIn(['compose', 'caretPosition']),
   preselectDate: state.getIn(['compose', 'preselectDate']),
   isSubmitting: state.getIn(['compose', 'is_submitting']),
+  isEditing: state.getIn(['compose', 'id']) !== null,
   isChangingUpload: state.getIn(['compose', 'is_changing_upload']),
   isUploading: state.getIn(['compose', 'is_uploading']),
   showSearch: state.getIn(['search', 'submitted']) && !state.getIn(['search', 'hidden']),
diff --git a/app/javascript/mastodon/features/compose/containers/reply_indicator_container.js b/app/javascript/mastodon/features/compose/containers/reply_indicator_container.js
index 5eb1eb72a..a1302b2d4 100644
--- a/app/javascript/mastodon/features/compose/containers/reply_indicator_container.js
+++ b/app/javascript/mastodon/features/compose/containers/reply_indicator_container.js
@@ -6,9 +6,20 @@ import ReplyIndicator from '../components/reply_indicator';
 const makeMapStateToProps = () => {
   const getStatus = makeGetStatus();
 
-  const mapStateToProps = state => ({
-    status: getStatus(state, { id: state.getIn(['compose', 'in_reply_to']) }),
-  });
+  const mapStateToProps = state => {
+    let statusId = state.getIn(['compose', 'id'], null);
+    let editing  = true;
+
+    if (statusId === null) {
+      statusId = state.getIn(['compose', 'in_reply_to']);
+      editing  = false;
+    }
+
+    return {
+      status: getStatus(state, { id: statusId }),
+      editing,
+    };
+  };
 
   return mapStateToProps;
 };
diff --git a/app/javascript/mastodon/features/status/components/action_bar.js b/app/javascript/mastodon/features/status/components/action_bar.js
index a15a4d567..3f3ec0e71 100644
--- a/app/javascript/mastodon/features/status/components/action_bar.js
+++ b/app/javascript/mastodon/features/status/components/action_bar.js
@@ -11,6 +11,7 @@ import classNames from 'classnames';
 const messages = defineMessages({
   delete: { id: 'status.delete', defaultMessage: 'Delete' },
   redraft: { id: 'status.redraft', defaultMessage: 'Delete & re-draft' },
+  edit: { id: 'status.edit', defaultMessage: 'Edit' },
   direct: { id: 'status.direct', defaultMessage: 'Direct message @{name}' },
   mention: { id: 'status.mention', defaultMessage: 'Mention @{name}' },
   reply: { id: 'status.reply', defaultMessage: 'Reply' },
@@ -59,6 +60,7 @@ class ActionBar extends React.PureComponent {
     onFavourite: PropTypes.func.isRequired,
     onBookmark: PropTypes.func.isRequired,
     onDelete: PropTypes.func.isRequired,
+    onEdit: PropTypes.func.isRequired,
     onDirect: PropTypes.func.isRequired,
     onMention: PropTypes.func.isRequired,
     onMute: PropTypes.func,
@@ -98,6 +100,10 @@ class ActionBar extends React.PureComponent {
     this.props.onDelete(this.props.status, this.context.router.history, true);
   }
 
+  handleEditClick = () => {
+    this.props.onEdit(this.props.status, this.context.router.history);
+  }
+
   handleDirectClick = () => {
     this.props.onDirect(this.props.status.get('account'), this.context.router.history);
   }
@@ -209,6 +215,7 @@ class ActionBar extends React.PureComponent {
 
       menu.push({ text: intl.formatMessage(mutingConversation ? messages.unmuteConversation : messages.muteConversation), action: this.handleConversationMuteClick });
       menu.push(null);
+      // menu.push({ text: intl.formatMessage(messages.edit), action: this.handleEditClick });
       menu.push({ text: intl.formatMessage(messages.delete), action: this.handleDeleteClick });
       menu.push({ text: intl.formatMessage(messages.redraft), action: this.handleRedraftClick });
     } else {
diff --git a/app/javascript/mastodon/features/status/index.js b/app/javascript/mastodon/features/status/index.js
index f342a3641..4d7f24834 100644
--- a/app/javascript/mastodon/features/status/index.js
+++ b/app/javascript/mastodon/features/status/index.js
@@ -29,6 +29,7 @@ import {
   muteStatus,
   unmuteStatus,
   deleteStatus,
+  editStatus,
   hideStatus,
   revealStatus,
 } from '../../actions/statuses';
@@ -273,6 +274,10 @@ class Status extends ImmutablePureComponent {
     }
   }
 
+  handleEditClick = (status, history) => {
+    this.props.dispatch(editStatus(status.get('id'), history));
+  }
+
   handleDirectClick = (account, router) => {
     this.props.dispatch(directCompose(account, router));
   }
@@ -567,6 +572,7 @@ class Status extends ImmutablePureComponent {
                   onReblog={this.handleReblogClick}
                   onBookmark={this.handleBookmarkClick}
                   onDelete={this.handleDeleteClick}
+                  onEdit={this.handleEditClick}
                   onDirect={this.handleDirectClick}
                   onMention={this.handleMentionClick}
                   onMute={this.handleMuteClick}
diff --git a/app/javascript/mastodon/reducers/compose.js b/app/javascript/mastodon/reducers/compose.js
index 06a908e9d..ea882a71f 100644
--- a/app/javascript/mastodon/reducers/compose.js
+++ b/app/javascript/mastodon/reducers/compose.js
@@ -43,6 +43,7 @@ import {
   INIT_MEDIA_EDIT_MODAL,
   COMPOSE_CHANGE_MEDIA_DESCRIPTION,
   COMPOSE_CHANGE_MEDIA_FOCUS,
+  COMPOSE_SET_STATUS,
 } from '../actions/compose';
 import { TIMELINE_DELETE } from '../actions/timelines';
 import { STORE_HYDRATE } from '../actions/store';
@@ -58,6 +59,7 @@ const initialState = ImmutableMap({
   spoiler: false,
   spoiler_text: '',
   privacy: null,
+  id: null,
   text: '',
   focusDate: null,
   caretPosition: null,
@@ -107,6 +109,7 @@ function statusToTextMentions(state, status) {
 
 function clearAll(state) {
   return state.withMutations(map => {
+    map.set('id', null);
     map.set('text', '');
     map.set('spoiler', false);
     map.set('spoiler_text', '');
@@ -313,6 +316,7 @@ export default function compose(state = initialState, action) {
     return state.set('is_composing', action.value);
   case COMPOSE_REPLY:
     return state.withMutations(map => {
+      map.set('id', null);
       map.set('in_reply_to', action.status.get('id'));
       map.set('text', statusToTextMentions(state, action.status));
       map.set('privacy', privacyPreference(action.status.get('visibility'), state.get('default_privacy')));
@@ -329,21 +333,12 @@ export default function compose(state = initialState, action) {
         map.set('spoiler_text', '');
       }
     });
-  case COMPOSE_REPLY_CANCEL:
-  case COMPOSE_RESET:
-    return state.withMutations(map => {
-      map.set('in_reply_to', null);
-      map.set('text', '');
-      map.set('spoiler', false);
-      map.set('spoiler_text', '');
-      map.set('privacy', state.get('default_privacy'));
-      map.set('poll', null);
-      map.set('idempotencyKey', uuid());
-    });
   case COMPOSE_SUBMIT_REQUEST:
     return state.set('is_submitting', true);
   case COMPOSE_UPLOAD_CHANGE_REQUEST:
     return state.set('is_changing_upload', true);
+  case COMPOSE_REPLY_CANCEL:
+  case COMPOSE_RESET:
   case COMPOSE_SUBMIT_SUCCESS:
     return clearAll(state);
   case COMPOSE_SUBMIT_FAIL:
@@ -462,6 +457,34 @@ export default function compose(state = initialState, action) {
         }));
       }
     });
+  case COMPOSE_SET_STATUS:
+    return state.withMutations(map => {
+      map.set('id', action.status.get('id'));
+      map.set('text', action.text);
+      map.set('in_reply_to', action.status.get('in_reply_to_id'));
+      map.set('privacy', action.status.get('visibility'));
+      map.set('media_attachments', action.status.get('media_attachments'));
+      map.set('focusDate', new Date());
+      map.set('caretPosition', null);
+      map.set('idempotencyKey', uuid());
+      map.set('sensitive', action.status.get('sensitive'));
+
+      if (action.spoiler_text.length > 0) {
+        map.set('spoiler', true);
+        map.set('spoiler_text', action.spoiler_text);
+      } else {
+        map.set('spoiler', false);
+        map.set('spoiler_text', '');
+      }
+
+      if (action.status.get('poll')) {
+        map.set('poll', ImmutableMap({
+          options: action.status.getIn(['poll', 'options']).map(x => x.get('title')),
+          multiple: action.status.getIn(['poll', 'multiple']),
+          expires_in: expiresInFromExpiresAt(action.status.getIn(['poll', 'expires_at'])),
+        }));
+      }
+    });
   case COMPOSE_POLL_ADD:
     return state.set('poll', initialPoll);
   case COMPOSE_POLL_REMOVE:
diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index 14e6cabae..9eaacdc03 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -208,6 +208,10 @@ class MediaAttachment < ApplicationRecord
     file.blank? && remote_url.present?
   end
 
+  def significantly_changed?
+    description_previously_changed? || thumbnail_updated_at_previously_changed? || file_meta_previously_changed?
+  end
+
   def larger_media_format?
     video? || gifv? || audio?
   end
diff --git a/app/models/poll.rb b/app/models/poll.rb
index 71b5e191f..ba08309a1 100644
--- a/app/models/poll.rb
+++ b/app/models/poll.rb
@@ -83,6 +83,12 @@ class Poll < ApplicationRecord
     end
   end
 
+  def reset_votes!
+    self.cached_tallies = options.map { 0 }
+    self.votes_count = 0
+    votes.delete_all unless new_record?
+  end
+
   private
 
   def prepare_cached_tallies
diff --git a/app/models/report.rb b/app/models/report.rb
index ceb15133b..3dd8a6fdd 100644
--- a/app/models/report.rb
+++ b/app/models/report.rb
@@ -39,6 +39,9 @@ class Report < ApplicationRecord
   scope :with_accounts, -> { includes([:account, :target_account, :action_taken_by_account, :assigned_account].index_with({ user: [:invite_request, :invite] })) }
 
   validates :comment, length: { maximum: 1_000 }
+  validates :rule_ids, absence: true, unless: :violation?
+
+  validate :validate_rule_ids
 
   enum category: {
     other: 0,
@@ -122,4 +125,10 @@ class Report < ApplicationRecord
   def set_uri
     self.uri = ActivityPub::TagManager.instance.generate_uri_for(self) if uri.nil? && account.local?
   end
+
+  def validate_rule_ids
+    return unless violation?
+
+    errors.add(:rule_ids, I18n.t('reports.errors.invalid_rules')) unless rules.size == rule_ids.size
+  end
 end
diff --git a/app/models/status.rb b/app/models/status.rb
index 9bb2b3746..236f95c1f 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -215,6 +215,17 @@ class Status < ApplicationRecord
     public_visibility? || unlisted_visibility?
   end
 
+  def snapshot!(media_attachments_changed: false, account_id: nil, at_time: nil)
+    edits.create!(
+      text: text,
+      spoiler_text: spoiler_text,
+      media_attachments_changed: media_attachments_changed,
+      account_id: account_id || self.account_id,
+      content_type: content_type,
+      created_at: at_time || edited_at
+    )
+  end
+
   def edited?
     edited_at.present?
   end
diff --git a/app/policies/status_policy.rb b/app/policies/status_policy.rb
index d0359580d..8746fb2c6 100644
--- a/app/policies/status_policy.rb
+++ b/app/policies/status_policy.rb
@@ -39,7 +39,7 @@ class StatusPolicy < ApplicationPolicy
   alias unreblog? destroy?
 
   def update?
-    staff?
+    staff? || owned?
   end
 
   private
diff --git a/app/services/activitypub/process_status_update_service.rb b/app/services/activitypub/process_status_update_service.rb
index b1cea1cdf..7438a7c53 100644
--- a/app/services/activitypub/process_status_update_service.rb
+++ b/app/services/activitypub/process_status_update_service.rb
@@ -95,10 +95,7 @@ class ActivityPub::ProcessStatusUpdateService < BaseService
 
       # If for some reasons the options were changed, it invalidates all previous
       # votes, so we need to remove them
-      if poll_parser.significantly_changes?(poll)
-        @poll_changed = true
-        poll.votes.delete_all unless poll.new_record?
-      end
+      @poll_changed = true if poll_parser.significantly_changes?(poll)
 
       poll.last_fetched_at = Time.now.utc
       poll.options         = poll_parser.options
@@ -106,6 +103,7 @@ class ActivityPub::ProcessStatusUpdateService < BaseService
       poll.expires_at      = poll_parser.expires_at
       poll.voters_count    = poll_parser.voters_count
       poll.cached_tallies  = poll_parser.cached_tallies
+      poll.reset_votes! if @poll_changed
       poll.save!
 
       @status.poll_id = poll.id
@@ -217,24 +215,18 @@ class ActivityPub::ProcessStatusUpdateService < BaseService
 
     return if @status.edits.any?
 
-    @status.edits.create(
-      text: @status.text,
-      spoiler_text: @status.spoiler_text,
+    @status.snapshot!(
       media_attachments_changed: false,
-      account_id: @account.id,
-      created_at: @status.created_at
+      at_time: @status.created_at
     )
   end
 
   def create_edit!
     return unless significant_changes?
 
-    @status_edit = @status.edits.create(
-      text: @status.text,
-      spoiler_text: @status.spoiler_text,
+    @status.snapshot!(
       media_attachments_changed: @media_attachments_changed || @poll_changed,
-      account_id: @account.id,
-      created_at: @status.edited_at
+      account_id: @account.id
     )
   end
 
diff --git a/app/services/process_hashtags_service.rb b/app/services/process_hashtags_service.rb
index 47277c56c..43d7bcca6 100644
--- a/app/services/process_hashtags_service.rb
+++ b/app/services/process_hashtags_service.rb
@@ -1,20 +1,40 @@
 # frozen_string_literal: true
 
 class ProcessHashtagsService < BaseService
-  def call(status, tags = [])
-    tags    = Extractor.extract_hashtags(status.text) if status.local?
-    records = []
-
-    Tag.find_or_create_by_names(tags) do |tag|
-      status.tags << tag
-      records << tag
-      tag.update(last_status_at: status.created_at) if tag.last_status_at.nil? || (tag.last_status_at < status.created_at && tag.last_status_at < 12.hours.ago)
+  def call(status, raw_tags = [])
+    @status        = status
+    @account       = status.account
+    @raw_tags      = status.local? ? Extractor.extract_hashtags(status.text) : raw_tags
+    @previous_tags = status.tags.to_a
+    @current_tags  = []
+
+    assign_tags!
+    update_featured_tags!
+  end
+
+  private
+
+  def assign_tags!
+    @status.tags = @current_tags = Tag.find_or_create_by_names(@raw_tags)
+  end
+
+  def update_featured_tags!
+    return unless @status.distributable?
+
+    added_tags = @current_tags - @previous_tags
+
+    unless added_tags.empty?
+      @account.featured_tags.where(tag_id: added_tags.map(&:id)).each do |featured_tag|
+        featured_tag.increment(@status.created_at)
+      end
     end
 
-    return unless status.distributable?
+    removed_tags = @previous_tags - @current_tags
 
-    status.account.featured_tags.where(tag_id: records.map(&:id)).each do |featured_tag|
-      featured_tag.increment(status.created_at)
+    unless removed_tags.empty?
+      @account.featured_tags.where(tag_id: removed_tags.map(&:id)).each do |featured_tag|
+        featured_tag.decrement(@status.id)
+      end
     end
   end
 end
diff --git a/app/services/report_service.rb b/app/services/report_service.rb
index bc0a8b464..caf99ab6e 100644
--- a/app/services/report_service.rb
+++ b/app/services/report_service.rb
@@ -8,13 +8,15 @@ class ReportService < BaseService
     @target_account = target_account
     @status_ids     = options.delete(:status_ids) || []
     @comment        = options.delete(:comment) || ''
+    @category       = options.delete(:category) || 'other'
+    @rule_ids       = options.delete(:rule_ids)
     @options        = options
 
     raise ActiveRecord::RecordNotFound if @target_account.suspended?
 
     create_report!
     notify_staff!
-    forward_to_origin! if !@target_account.local? && ActiveModel::Type::Boolean.new.cast(@options[:forward])
+    forward_to_origin! if forward?
 
     @report
   end
@@ -27,7 +29,9 @@ class ReportService < BaseService
       status_ids: @status_ids,
       comment: @comment,
       uri: @options[:uri],
-      forwarded: ActiveModel::Type::Boolean.new.cast(@options[:forward])
+      forwarded: forward?,
+      category: @category,
+      rule_ids: @rule_ids
     )
   end
 
@@ -48,6 +52,10 @@ class ReportService < BaseService
     )
   end
 
+  def forward?
+    !@target_account.local? && ActiveModel::Type::Boolean.new.cast(@options[:forward])
+  end
+
   def payload
     Oj.dump(serialize_payload(@report, ActivityPub::FlagSerializer, account: some_local_account))
   end
diff --git a/app/services/update_status_service.rb b/app/services/update_status_service.rb
new file mode 100644
index 000000000..63bd27989
--- /dev/null
+++ b/app/services/update_status_service.rb
@@ -0,0 +1,153 @@
+# frozen_string_literal: true
+
+class UpdateStatusService < BaseService
+  include Redisable
+  include LanguagesHelper
+
+  # @param [Status] status
+  # @param [Integer] account_id
+  # @param [Hash] options
+  # @option options [Array<Integer>] :media_ids
+  # @option options [Hash] :poll
+  # @option options [String] :text
+  # @option options [String] :spoiler_text
+  # @option options [Boolean] :sensitive
+  # @option options [String] :language
+  # @option options [String] :content_type
+  def call(status, account_id, options = {})
+    @status                    = status
+    @options                   = options
+    @account_id                = account_id
+    @media_attachments_changed = false
+    @poll_changed              = false
+
+    Status.transaction do
+      create_previous_edit!
+      update_media_attachments!
+      update_poll!
+      update_immediate_attributes!
+      create_edit!
+    end
+
+    queue_poll_notifications!
+    reset_preview_card!
+    update_metadata!
+    broadcast_updates!
+
+    @status
+  end
+
+  private
+
+  def update_media_attachments!
+    previous_media_attachments = @status.media_attachments.to_a
+    next_media_attachments     = validate_media!
+    removed_media_attachments  = previous_media_attachments - next_media_attachments
+    added_media_attachments    = next_media_attachments - previous_media_attachments
+
+    MediaAttachment.where(id: removed_media_attachments.map(&:id)).update_all(status_id: nil)
+    MediaAttachment.where(id: added_media_attachments.map(&:id)).update_all(status_id: @status.id)
+
+    @status.media_attachments.reload
+    @media_attachments_changed = true if removed_media_attachments.any? || added_media_attachments.any?
+  end
+
+  def validate_media!
+    return [] if @options[:media_ids].blank? || !@options[:media_ids].is_a?(Enumerable)
+
+    raise Mastodon::ValidationError, I18n.t('media_attachments.validations.too_many') if @options[:media_ids].size > 4 || @options[:poll].present?
+
+    media_attachments = @status.account.media_attachments.where(status_id: [nil, @status.id]).where(scheduled_status_id: nil).where(id: @options[:media_ids].take(4).map(&:to_i)).to_a
+
+    raise Mastodon::ValidationError, I18n.t('media_attachments.validations.images_and_video') if media_attachments.size > 1 && media_attachments.find(&:audio_or_video?)
+    raise Mastodon::ValidationError, I18n.t('media_attachments.validations.not_ready') if media_attachments.any?(&:not_processed?)
+
+    media_attachments
+  end
+
+  def update_poll!
+    previous_poll        = @status.preloadable_poll
+    @previous_expires_at = previous_poll&.expires_at
+
+    if @options[:poll].present?
+      poll = previous_poll || @status.account.polls.new(status: @status, votes_count: 0)
+
+      # If for some reasons the options were changed, it invalidates all previous
+      # votes, so we need to remove them
+      @poll_changed = true if @options[:poll][:options] != poll.options || ActiveModel::Type::Boolean.new.cast(@options[:poll][:multiple]) != poll.multiple
+
+      poll.options     = @options[:poll][:options]
+      poll.hide_totals = @options[:poll][:hide_totals] || false
+      poll.multiple    = @options[:poll][:multiple] || false
+      poll.expires_in  = @options[:poll][:expires_in]
+      poll.reset_votes! if @poll_changed
+      poll.save!
+
+      @status.poll_id = poll.id
+    elsif previous_poll.present?
+      previous_poll.destroy
+      @poll_changed = true
+      @status.poll_id = nil
+    end
+  end
+
+  def update_immediate_attributes!
+    @status.text         = @options[:text].presence || @options.delete(:spoiler_text) || ''
+    @status.spoiler_text = @options[:spoiler_text] || ''
+    @status.sensitive    = @options[:sensitive] || @options[:spoiler_text].present?
+    @status.language     = valid_locale_or_nil(@options[:language] || @status.language || @status.account.user&.preferred_posting_language || I18n.default_locale)
+    @status.content_type = @options[:content_type] || @status.content_type
+    @status.edited_at    = Time.now.utc
+
+    @status.save!
+  end
+
+  def reset_preview_card!
+    return unless @status.text_previously_changed?
+
+    @status.preview_cards.clear
+    LinkCrawlWorker.perform_async(@status.id)
+  end
+
+  def update_metadata!
+    ProcessHashtagsService.new.call(@status)
+    ProcessMentionsService.new.call(@status)
+  end
+
+  def broadcast_updates!
+    DistributionWorker.perform_async(@status.id, { 'update' => true })
+    ActivityPub::StatusUpdateDistributionWorker.perform_async(@status.id)
+  end
+
+  def queue_poll_notifications!
+    poll = @status.preloadable_poll
+
+    # If the poll had no expiration date set but now has, or now has a sooner
+    # expiration date, and people have voted, schedule a notification
+
+    return unless poll.present? && poll.expires_at.present? && poll.votes.exists?
+
+    PollExpirationNotifyWorker.remove_from_scheduled(poll.id) if @previous_expires_at.present? && @previous_expires_at > poll.expires_at
+    PollExpirationNotifyWorker.perform_at(poll.expires_at + 5.minutes, poll.id)
+  end
+
+  def create_previous_edit!
+    # We only need to create a previous edit when no previous edits exist, e.g.
+    # when the status has never been edited. For other cases, we always create
+    # an edit, so the step can be skipped
+
+    return if @status.edits.any?
+
+    @status.snapshot!(
+      media_attachments_changed: false,
+      at_time: @status.created_at
+    )
+  end
+
+  def create_edit!
+    @status.snapshot!(
+      media_attachments_changed: @media_attachments_changed || @poll_changed,
+      account_id: @account_id
+    )
+  end
+end
diff --git a/app/workers/activitypub/status_update_distribution_worker.rb b/app/workers/activitypub/status_update_distribution_worker.rb
new file mode 100644
index 000000000..a79ede2bf
--- /dev/null
+++ b/app/workers/activitypub/status_update_distribution_worker.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class ActivityPub::StatusUpdateDistributionWorker < ActivityPub::DistributionWorker
+  # Distribute an profile update to servers that might have a copy
+  # of the account in question
+  def perform(status_id, options = {})
+    @options = options.with_indifferent_access
+    @status  = Status.find(status_id)
+    @account = @status.account
+
+    distribute!
+  rescue ActiveRecord::RecordNotFound
+    true
+  end
+
+  protected
+
+  def activity
+    ActivityPub::ActivityPresenter.new(
+      id: [ActivityPub::TagManager.instance.uri_for(@status), '#updates/', @status.edited_at.to_i].join,
+      type: 'Update',
+      actor: ActivityPub::TagManager.instance.uri_for(@status.account),
+      published: @status.edited_at,
+      to: ActivityPub::TagManager.instance.to(@status),
+      cc: ActivityPub::TagManager.instance.cc(@status),
+      virtual_object: @status
+    )
+  end
+end