From 05cf086766396745219582951f9b792ac5ed2bfb Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Wed, 22 Mar 2017 02:32:27 +0100
Subject: [PATCH 1/5] New API method: /api/v1/search Returns accounts,
 statuses, hashtags arrays

---
 app/controllers/api/v1/accounts_controller.rb |  2 +-
 app/controllers/api/v1/search_controller.rb   |  9 +++++++
 app/models/account.rb                         |  4 +--
 app/models/tag.rb                             | 19 ++++++++++++++
 app/services/account_search_service.rb        | 26 +++++++++++++++++++
 app/services/fetch_remote_resource_service.rb | 18 +++++++++++++
 app/services/search_service.rb                | 23 +++++++---------
 app/views/api/v1/search/index.rabl            | 13 ++++++++++
 config/routes.rb                              |  2 ++
 9 files changed, 99 insertions(+), 17 deletions(-)
 create mode 100644 app/controllers/api/v1/search_controller.rb
 create mode 100644 app/services/account_search_service.rb
 create mode 100644 app/services/fetch_remote_resource_service.rb
 create mode 100644 app/views/api/v1/search/index.rabl

diff --git a/app/controllers/api/v1/accounts_controller.rb b/app/controllers/api/v1/accounts_controller.rb
index 51c94895..f07450eb 100644
--- a/app/controllers/api/v1/accounts_controller.rb
+++ b/app/controllers/api/v1/accounts_controller.rb
@@ -115,7 +115,7 @@ class Api::V1::AccountsController < ApiController
   end
 
   def search
-    @accounts = SearchService.new.call(params[:q], limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:resolve] == 'true', current_account)
+    @accounts = AccountSearchService.new.call(params[:q], limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:resolve] == 'true', current_account)
 
     set_account_counters_maps(@accounts) unless @accounts.nil?
 
diff --git a/app/controllers/api/v1/search_controller.rb b/app/controllers/api/v1/search_controller.rb
new file mode 100644
index 00000000..6b129245
--- /dev/null
+++ b/app/controllers/api/v1/search_controller.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class Api::V1::SearchController < ApiController
+  respond_to :json
+
+  def index
+    @search = OpenStruct.new(SearchService.new.call(params[:q], 5, params[:resolve] == 'true', current_account))
+  end
+end
diff --git a/app/models/account.rb b/app/models/account.rb
index aa0af563..c3562081 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -222,8 +222,8 @@ SQL
     end
 
     def search_for(terms, limit = 10)
-      textsearch  = '(setweight(to_tsvector(\'simple\', accounts.display_name), \'A\') || setweight(to_tsvector(\'simple\', accounts.username), \'B\') || setweight(to_tsvector(\'simple\', coalesce(accounts.domain, \'\')), \'C\'))'
-      query       = 'to_tsquery(\'simple\', \'\'\' \' || ? || \' \'\'\' || \':*\')'
+      textsearch = '(setweight(to_tsvector(\'simple\', accounts.display_name), \'A\') || setweight(to_tsvector(\'simple\', accounts.username), \'B\') || setweight(to_tsvector(\'simple\', coalesce(accounts.domain, \'\')), \'C\'))'
+      query      = 'to_tsquery(\'simple\', \'\'\' \' || ? || \' \'\'\' || \':*\')'
 
       sql = <<SQL
         SELECT
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 0d2fe43b..e2ad8e4d 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -10,4 +10,23 @@ class Tag < ApplicationRecord
   def to_param
     name
   end
+
+  class << self
+    def search_for(terms, limit = 5)
+      textsearch = 'to_tsvector(\'simple\', tags.name)'
+      query      = 'to_tsquery(\'simple\', \'\'\' \' || ? || \' \'\'\' || \':*\')'
+
+      sql = <<SQL
+        SELECT
+          tags.*,
+          ts_rank_cd(#{textsearch}, #{query}) AS rank
+        FROM tags
+        WHERE #{query} @@ #{textsearch}
+        ORDER BY rank DESC
+        LIMIT ?
+SQL
+
+      Tag.find_by_sql([sql, terms, terms, limit])
+    end
+  end
 end
diff --git a/app/services/account_search_service.rb b/app/services/account_search_service.rb
new file mode 100644
index 00000000..f55439dc
--- /dev/null
+++ b/app/services/account_search_service.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class AccountSearchService < BaseService
+  def call(query, limit, resolve = false, account = nil)
+    return [] if query.blank? || query.start_with?('#')
+
+    username, domain = query.gsub(/\A@/, '').split('@')
+    domain = nil if TagManager.instance.local_domain?(domain)
+
+    if domain.nil?
+      exact_match = Account.find_local(username)
+      results     = account.nil? ? Account.search_for(username, limit) : Account.advanced_search_for(username, account, limit)
+    else
+      exact_match = Account.find_remote(username, domain)
+      results     = account.nil? ? Account.search_for("#{username} #{domain}", limit) : Account.advanced_search_for("#{username} #{domain}", account, limit)
+    end
+
+    results = [exact_match] + results.reject { |a| a.id == exact_match.id } if exact_match
+
+    if resolve && !exact_match && !domain.nil?
+      results = [FollowRemoteAccountService.new.call("#{username}@#{domain}")]
+    end
+
+    results
+  end
+end
diff --git a/app/services/fetch_remote_resource_service.rb b/app/services/fetch_remote_resource_service.rb
new file mode 100644
index 00000000..80aa7436
--- /dev/null
+++ b/app/services/fetch_remote_resource_service.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class FetchRemoteResourceService < BaseService
+  def call(url)
+    atom_url, body = FetchAtomService.new.call(url)
+
+    return nil if atom_url.nil?
+
+    xml = Nokogiri::XML(body)
+    xml.encoding = 'utf-8'
+
+    if xml.root.name == 'feed'
+      FetchRemoteAccountService.new.call(atom_url)
+    elsif xml.root.name == 'entry'
+      FetchRemoteStatusService.new.call(atom_url)
+    end
+  end
+end
diff --git a/app/services/search_service.rb b/app/services/search_service.rb
index 19fc1697..159c0371 100644
--- a/app/services/search_service.rb
+++ b/app/services/search_service.rb
@@ -2,23 +2,18 @@
 
 class SearchService < BaseService
   def call(query, limit, resolve = false, account = nil)
-    return if query.blank? || query.start_with?('#')
+    return if query.blank?
 
-    username, domain = query.gsub(/\A@/, '').split('@')
-    domain = nil if TagManager.instance.local_domain?(domain)
+    results = { accounts: [], hashtags: [], statuses: [] }
 
-    if domain.nil?
-      exact_match = Account.find_local(username)
-      results     = account.nil? ? Account.search_for(username, limit) : Account.advanced_search_for(username, account, limit)
+    if query =~ /\Ahttps?:\/\//
+      resource = FetchRemoteResourceService.new.call(query)
+
+      results[:accounts] << resource if resource.is_a?(Account)
+      results[:statuses] << resource if resource.is_a?(Status)
     else
-      exact_match = Account.find_remote(username, domain)
-      results     = account.nil? ? Account.search_for("#{username} #{domain}", limit) : Account.advanced_search_for("#{username} #{domain}", account, limit)
-    end
-
-    results = [exact_match] + results.reject { |a| a.id == exact_match.id } if exact_match
-
-    if resolve && !exact_match && !domain.nil?
-      results = [FollowRemoteAccountService.new.call("#{username}@#{domain}")]
+      results[:accounts] = AccountSearchService.new.call(query, limit, resolve, account)
+      results[:hashtags] = Tag.search_for(query.gsub(/\A#/, ''), limit) unless query.start_with?('@')
     end
 
     results
diff --git a/app/views/api/v1/search/index.rabl b/app/views/api/v1/search/index.rabl
new file mode 100644
index 00000000..d10ac9e0
--- /dev/null
+++ b/app/views/api/v1/search/index.rabl
@@ -0,0 +1,13 @@
+object @search
+
+child accounts: :accounts do
+  extends 'api/v1/accounts/show'
+end
+
+node(:hashtags) do |search|
+  search.hashtags.map(&:name)
+end
+
+child statuses: :statuses do
+  extends 'api/v1/statuses/show'
+end
diff --git a/config/routes.rb b/config/routes.rb
index ea766e1b..b3f623c0 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -129,6 +129,8 @@ Rails.application.routes.draw do
       get '/timelines/public',   to: 'timelines#public', as: :public_timeline
       get '/timelines/tag/:id',  to: 'timelines#tag', as: :hashtag_timeline
 
+      get '/search', to: 'search#index', as: :search
+
       resources :follows,    only: [:create]
       resources :media,      only: [:create]
       resources :apps,       only: [:create]

From 88f32708c3801c5be413641be092db6fcbe5b013 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Wed, 22 Mar 2017 04:09:09 +0100
Subject: [PATCH 2/5] Web UI support for the new omnisearch

---
 .../javascripts/components/actions/search.jsx |  8 ++-
 .../components/reducers/search.jsx            | 60 +++++++++++--------
 .../components/reducers/statuses.jsx          |  2 +
 app/views/api/v1/search/index.rabl            |  4 +-
 4 files changed, 44 insertions(+), 30 deletions(-)

diff --git a/app/assets/javascripts/components/actions/search.jsx b/app/assets/javascripts/components/actions/search.jsx
index ceb0e4a0..e4af716e 100644
--- a/app/assets/javascripts/components/actions/search.jsx
+++ b/app/assets/javascripts/components/actions/search.jsx
@@ -18,11 +18,13 @@ export function clearSearchSuggestions() {
   };
 };
 
-export function readySearchSuggestions(value, accounts) {
+export function readySearchSuggestions(value, { accounts, hashtags, statuses }) {
   return {
     type: SEARCH_SUGGESTIONS_READY,
     value,
-    accounts
+    accounts,
+    hashtags,
+    statuses
   };
 };
 
@@ -32,7 +34,7 @@ export function fetchSearchSuggestions(value) {
       return;
     }
 
-    api(getState).get('/api/v1/accounts/search', {
+    api(getState).get('/api/v1/search', {
       params: {
         q: value,
         resolve: true,
diff --git a/app/assets/javascripts/components/reducers/search.jsx b/app/assets/javascripts/components/reducers/search.jsx
index d835ef26..1767be2c 100644
--- a/app/assets/javascripts/components/reducers/search.jsx
+++ b/app/assets/javascripts/components/reducers/search.jsx
@@ -11,28 +11,38 @@ const initialState = Immutable.Map({
   suggestions: []
 });
 
-const normalizeSuggestions = (state, value, accounts) => {
-  let newSuggestions = [
-    {
+const normalizeSuggestions = (state, value, accounts, hashtags, statuses) => {
+  let newSuggestions = [];
+
+  if (accounts.length > 0) {
+    newSuggestions.push({
       title: 'account',
       items: accounts.map(item => ({
         type: 'account',
         id: item.id,
         value: item.acct
       }))
-    }
-  ];
+    });
+  }
+
+  if (value.indexOf('@') === -1 && value.indexOf(' ') === -1 || hashtags.length > 0) {
+    let hashtagItems = hashtags.map(item => ({
+      type: 'hashtag',
+      id: item,
+      value: `#${item}`
+    }));
+
+    if (value.indexOf('@') === -1 && value.indexOf(' ') === -1 && hashtags.indexOf(value) === -1) {
+      hashtagItems.unshift({
+        type: 'hashtag',
+        id: value,
+        value: `#${value}`
+      });
+    }
 
-  if (value.indexOf('@') === -1 && value.indexOf(' ') === -1) {
     newSuggestions.push({
       title: 'hashtag',
-      items: [
-        {
-          type: 'hashtag',
-          id: value,
-          value: `#${value}`
-        }
-      ]
+      items: hashtagItems
     });
   }
 
@@ -44,17 +54,17 @@ const normalizeSuggestions = (state, value, accounts) => {
 
 export default function search(state = initialState, action) {
   switch(action.type) {
-    case SEARCH_CHANGE:
-      return state.set('value', action.value);
-    case SEARCH_SUGGESTIONS_READY:
-      return normalizeSuggestions(state, action.value, action.accounts);
-    case SEARCH_RESET:
-      return state.withMutations(map => {
-        map.set('suggestions', []);
-        map.set('value', '');
-        map.set('loaded_value', '');
-      });
-    default:
-      return state;
+  case SEARCH_CHANGE:
+    return state.set('value', action.value);
+  case SEARCH_SUGGESTIONS_READY:
+    return normalizeSuggestions(state, action.value, action.accounts, action.hashtags, action.statuses);
+  case SEARCH_RESET:
+    return state.withMutations(map => {
+      map.set('suggestions', []);
+      map.set('value', '');
+      map.set('loaded_value', '');
+    });
+  default:
+    return state;
   }
 };
diff --git a/app/assets/javascripts/components/reducers/statuses.jsx b/app/assets/javascripts/components/reducers/statuses.jsx
index ce791eab..1669b8c6 100644
--- a/app/assets/javascripts/components/reducers/statuses.jsx
+++ b/app/assets/javascripts/components/reducers/statuses.jsx
@@ -32,6 +32,7 @@ import {
   FAVOURITED_STATUSES_FETCH_SUCCESS,
   FAVOURITED_STATUSES_EXPAND_SUCCESS
 } from '../actions/favourites';
+import { SEARCH_SUGGESTIONS_READY } from '../actions/search';
 import Immutable from 'immutable';
 
 const normalizeStatus = (state, status) => {
@@ -108,6 +109,7 @@ export default function statuses(state = initialState, action) {
   case NOTIFICATIONS_EXPAND_SUCCESS:
   case FAVOURITED_STATUSES_FETCH_SUCCESS:
   case FAVOURITED_STATUSES_EXPAND_SUCCESS:
+  case SEARCH_SUGGESTIONS_READY:
     return normalizeStatuses(state, action.statuses);
   case TIMELINE_DELETE:
     return deleteStatus(state, action.id, action.references);
diff --git a/app/views/api/v1/search/index.rabl b/app/views/api/v1/search/index.rabl
index d10ac9e0..8d1640f2 100644
--- a/app/views/api/v1/search/index.rabl
+++ b/app/views/api/v1/search/index.rabl
@@ -1,6 +1,6 @@
 object @search
 
-child accounts: :accounts do
+child :accounts, object_root: false do
   extends 'api/v1/accounts/show'
 end
 
@@ -8,6 +8,6 @@ node(:hashtags) do |search|
   search.hashtags.map(&:name)
 end
 
-child statuses: :statuses do
+child :statuses, object_root: false do
   extends 'api/v1/statuses/show'
 end

From 5aa3df017bcdefd15e041ca0a7e428f85887aff2 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Wed, 22 Mar 2017 17:36:34 +0100
Subject: [PATCH 3/5] Fix full-text search query quotation, improve tag search
 performance with an index, add ability to open status by URL from search (fix
 #53)

---
 .../components/autosuggest_account.jsx        |  7 ++++++-
 .../compose/components/autosuggest_status.jsx | 15 +++++++++++++++
 .../features/compose/components/search.jsx    |  9 +++++++--
 .../autosuggest_status_container.jsx          | 15 +++++++++++++++
 .../components/reducers/accounts.jsx          |  2 +-
 .../components/reducers/search.jsx            | 19 ++++++++++++++++---
 app/assets/stylesheets/components.scss        | 10 ++++++++++
 app/models/account.rb                         | 10 ++++++----
 app/models/tag.rb                             |  5 +++--
 app/services/fetch_remote_account_service.rb  |  9 +++++++--
 app/services/fetch_remote_resource_service.rb |  4 ++--
 app/services/fetch_remote_status_service.rb   |  9 +++++++--
 ...20170322162804_add_search_index_to_tags.rb |  9 +++++++++
 db/schema.rb                                  |  3 ++-
 14 files changed, 106 insertions(+), 20 deletions(-)
 create mode 100644 app/assets/javascripts/components/features/compose/components/autosuggest_status.jsx
 create mode 100644 app/assets/javascripts/components/features/compose/containers/autosuggest_status_container.jsx
 create mode 100644 db/migrate/20170322162804_add_search_index_to_tags.rb

diff --git a/app/assets/javascripts/components/features/compose/components/autosuggest_account.jsx b/app/assets/javascripts/components/features/compose/components/autosuggest_account.jsx
index 9ea7f190..5591b45c 100644
--- a/app/assets/javascripts/components/features/compose/components/autosuggest_account.jsx
+++ b/app/assets/javascripts/components/features/compose/components/autosuggest_account.jsx
@@ -1,11 +1,16 @@
 import Avatar from '../../../components/avatar';
 import DisplayName from '../../../components/display_name';
+import ImmutablePropTypes from 'react-immutable-proptypes';
 
 const AutosuggestAccount = ({ account }) => (
-  <div style={{ overflow: 'hidden' }}>
+  <div style={{ overflow: 'hidden' }} className='autosuggest-account'>
     <div style={{ float: 'left', marginRight: '5px' }}><Avatar src={account.get('avatar')} size={18} /></div>
     <DisplayName account={account} />
   </div>
 );
 
+AutosuggestAccount.propTypes = {
+  account: ImmutablePropTypes.map.isRequired
+};
+
 export default AutosuggestAccount;
diff --git a/app/assets/javascripts/components/features/compose/components/autosuggest_status.jsx b/app/assets/javascripts/components/features/compose/components/autosuggest_status.jsx
new file mode 100644
index 00000000..08648864
--- /dev/null
+++ b/app/assets/javascripts/components/features/compose/components/autosuggest_status.jsx
@@ -0,0 +1,15 @@
+import { FormattedMessage } from 'react-intl';
+import DisplayName from '../../../components/display_name';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+
+const AutosuggestStatus = ({ status }) => (
+  <div style={{ overflow: 'hidden' }} className='autosuggest-status'>
+    <FormattedMessage id='search.status_by' defaultMessage='Status by {name}' values={{ name: <strong>@{status.getIn(['account', 'acct'])}</strong> }} />
+  </div>
+);
+
+AutosuggestStatus.propTypes = {
+  status: ImmutablePropTypes.map.isRequired
+};
+
+export default AutosuggestStatus;
diff --git a/app/assets/javascripts/components/features/compose/components/search.jsx b/app/assets/javascripts/components/features/compose/components/search.jsx
index c1f23939..a0e8f82f 100644
--- a/app/assets/javascripts/components/features/compose/components/search.jsx
+++ b/app/assets/javascripts/components/features/compose/components/search.jsx
@@ -2,6 +2,7 @@ import PureRenderMixin from 'react-addons-pure-render-mixin';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import Autosuggest from 'react-autosuggest';
 import AutosuggestAccountContainer from '../containers/autosuggest_account_container';
+import AutosuggestStatusContainer from '../containers/autosuggest_status_container';
 import { debounce } from 'react-decoration';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 
@@ -14,8 +15,10 @@ const getSuggestionValue = suggestion => suggestion.value;
 const renderSuggestion = suggestion => {
   if (suggestion.type === 'account') {
     return <AutosuggestAccountContainer id={suggestion.id} />;
+  } else if (suggestion.type === 'hashtag') {
+    return <span>#{suggestion.id}</span>;
   } else {
-    return <span>#{suggestion.id}</span>
+    return <AutosuggestStatusContainer id={suggestion.id} />;
   }
 };
 
@@ -78,8 +81,10 @@ const Search = React.createClass({
   onSuggestionSelected (_, { suggestion }) {
     if (suggestion.type === 'account') {
       this.context.router.push(`/accounts/${suggestion.id}`);
-    } else {
+    } else if(suggestion.type === 'hashtag') {
       this.context.router.push(`/timelines/tag/${suggestion.id}`);
+    } else {
+      this.context.router.push(`/statuses/${suggestion.id}`);
     }
   },
 
diff --git a/app/assets/javascripts/components/features/compose/containers/autosuggest_status_container.jsx b/app/assets/javascripts/components/features/compose/containers/autosuggest_status_container.jsx
new file mode 100644
index 00000000..ef46eb09
--- /dev/null
+++ b/app/assets/javascripts/components/features/compose/containers/autosuggest_status_container.jsx
@@ -0,0 +1,15 @@
+import { connect } from 'react-redux';
+import AutosuggestStatus from '../components/autosuggest_status';
+import { makeGetStatus } from '../../../selectors';
+
+const makeMapStateToProps = () => {
+  const getStatus = makeGetStatus();
+
+  const mapStateToProps = (state, { id }) => ({
+    status: getStatus(state, id)
+  });
+
+  return mapStateToProps;
+};
+
+export default connect(makeMapStateToProps)(AutosuggestStatus);
diff --git a/app/assets/javascripts/components/reducers/accounts.jsx b/app/assets/javascripts/components/reducers/accounts.jsx
index f3938cee..6ce41670 100644
--- a/app/assets/javascripts/components/reducers/accounts.jsx
+++ b/app/assets/javascripts/components/reducers/accounts.jsx
@@ -90,7 +90,6 @@ export default function accounts(state = initialState, action) {
   case REBLOGS_FETCH_SUCCESS:
   case FAVOURITES_FETCH_SUCCESS:
   case COMPOSE_SUGGESTIONS_READY:
-  case SEARCH_SUGGESTIONS_READY:
   case FOLLOW_REQUESTS_FETCH_SUCCESS:
   case FOLLOW_REQUESTS_EXPAND_SUCCESS:
   case BLOCKS_FETCH_SUCCESS:
@@ -98,6 +97,7 @@ export default function accounts(state = initialState, action) {
     return normalizeAccounts(state, action.accounts);
   case NOTIFICATIONS_REFRESH_SUCCESS:
   case NOTIFICATIONS_EXPAND_SUCCESS:
+  case SEARCH_SUGGESTIONS_READY:
     return normalizeAccountsFromStatuses(normalizeAccounts(state, action.accounts), action.statuses);
   case TIMELINE_REFRESH_SUCCESS:
   case TIMELINE_EXPAND_SUCCESS:
diff --git a/app/assets/javascripts/components/reducers/search.jsx b/app/assets/javascripts/components/reducers/search.jsx
index 1767be2c..e95f9ed7 100644
--- a/app/assets/javascripts/components/reducers/search.jsx
+++ b/app/assets/javascripts/components/reducers/search.jsx
@@ -32,7 +32,7 @@ const normalizeSuggestions = (state, value, accounts, hashtags, statuses) => {
       value: `#${item}`
     }));
 
-    if (value.indexOf('@') === -1 && value.indexOf(' ') === -1 && hashtags.indexOf(value) === -1) {
+    if (value.indexOf('@') === -1 && value.indexOf(' ') === -1 && !value.startsWith('http://') && !value.startsWith('https://') && hashtags.indexOf(value) === -1) {
       hashtagItems.unshift({
         type: 'hashtag',
         id: value,
@@ -40,9 +40,22 @@ const normalizeSuggestions = (state, value, accounts, hashtags, statuses) => {
       });
     }
 
+    if (hashtagItems.length > 0) {
+      newSuggestions.push({
+        title: 'hashtag',
+        items: hashtagItems
+      });
+    }
+  }
+
+  if (statuses.length > 0) {
     newSuggestions.push({
-      title: 'hashtag',
-      items: hashtagItems
+      title: 'status',
+      items: statuses.map(item => ({
+        type: 'status',
+        id: item.id,
+        value: item.id
+      }))
     });
   }
 
diff --git a/app/assets/stylesheets/components.scss b/app/assets/stylesheets/components.scss
index 4b1e86ac..057c61f9 100644
--- a/app/assets/stylesheets/components.scss
+++ b/app/assets/stylesheets/components.scss
@@ -1421,3 +1421,13 @@ button.active i.fa-retweet {
     }
   }
 }
+
+.autosuggest-status {
+  overflow: hidden;
+  white-space: nowrap;
+  text-overflow: ellipsis;
+
+  strong {
+    font-weight: 500;
+  }
+}
diff --git a/app/models/account.rb b/app/models/account.rb
index c0cd2ff6..6968607a 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -222,8 +222,9 @@ SQL
     end
 
     def search_for(terms, limit = 10)
+      terms      = Arel.sql(connection.quote(terms.gsub(/['?\\:]/, ' ')))
       textsearch = '(setweight(to_tsvector(\'simple\', accounts.display_name), \'A\') || setweight(to_tsvector(\'simple\', accounts.username), \'B\') || setweight(to_tsvector(\'simple\', coalesce(accounts.domain, \'\')), \'C\'))'
-      query      = 'to_tsquery(\'simple\', \'\'\' \' || ? || \' \'\'\' || \':*\')'
+      query      = 'to_tsquery(\'simple\', \'\'\' \' || ' + terms + ' || \' \'\'\' || \':*\')'
 
       sql = <<SQL
         SELECT
@@ -235,12 +236,13 @@ SQL
         LIMIT ?
 SQL
 
-      Account.find_by_sql([sql, terms, terms, limit])
+      Account.find_by_sql([sql, limit])
     end
 
     def advanced_search_for(terms, account, limit = 10)
+      terms      = Arel.sql(connection.quote(terms.gsub(/['?\\:]/, ' ')))
       textsearch = '(setweight(to_tsvector(\'simple\', accounts.display_name), \'A\') || setweight(to_tsvector(\'simple\', accounts.username), \'B\') || setweight(to_tsvector(\'simple\', coalesce(accounts.domain, \'\')), \'C\'))'
-      query      = 'to_tsquery(\'simple\', \'\'\' \' || ? || \' \'\'\' || \':*\')'
+      query      = 'to_tsquery(\'simple\', \'\'\' \' || ' + terms + ' || \' \'\'\' || \':*\')'
 
       sql = <<SQL
         SELECT
@@ -254,7 +256,7 @@ SQL
         LIMIT ?
 SQL
 
-      Account.find_by_sql([sql, terms, account.id, account.id, terms, limit])
+      Account.find_by_sql([sql, account.id, account.id, limit])
     end
 
     def following_map(target_account_ids, account_id)
diff --git a/app/models/tag.rb b/app/models/tag.rb
index e2ad8e4d..15625ca4 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -13,8 +13,9 @@ class Tag < ApplicationRecord
 
   class << self
     def search_for(terms, limit = 5)
+      terms      = Arel.sql(connection.quote(terms.gsub(/['?\\:]/, ' ')))
       textsearch = 'to_tsvector(\'simple\', tags.name)'
-      query      = 'to_tsquery(\'simple\', \'\'\' \' || ? || \' \'\'\' || \':*\')'
+      query      = 'to_tsquery(\'simple\', \'\'\' \' || ' + terms + ' || \' \'\'\' || \':*\')'
 
       sql = <<SQL
         SELECT
@@ -26,7 +27,7 @@ class Tag < ApplicationRecord
         LIMIT ?
 SQL
 
-      Tag.find_by_sql([sql, terms, terms, limit])
+      Tag.find_by_sql([sql, limit])
     end
   end
 end
diff --git a/app/services/fetch_remote_account_service.rb b/app/services/fetch_remote_account_service.rb
index baefa3a8..6a6a696d 100644
--- a/app/services/fetch_remote_account_service.rb
+++ b/app/services/fetch_remote_account_service.rb
@@ -1,8 +1,13 @@
 # frozen_string_literal: true
 
 class FetchRemoteAccountService < BaseService
-  def call(url)
-    atom_url, body = FetchAtomService.new.call(url)
+  def call(url, prefetched_body = nil)
+    if prefetched_body.nil?
+      atom_url, body = FetchAtomService.new.call(url)
+    else
+      atom_url = url
+      body     = prefetched_body
+    end
 
     return nil if atom_url.nil?
     process_atom(atom_url, body)
diff --git a/app/services/fetch_remote_resource_service.rb b/app/services/fetch_remote_resource_service.rb
index 80aa7436..2185ceb2 100644
--- a/app/services/fetch_remote_resource_service.rb
+++ b/app/services/fetch_remote_resource_service.rb
@@ -10,9 +10,9 @@ class FetchRemoteResourceService < BaseService
     xml.encoding = 'utf-8'
 
     if xml.root.name == 'feed'
-      FetchRemoteAccountService.new.call(atom_url)
+      FetchRemoteAccountService.new.call(atom_url, body)
     elsif xml.root.name == 'entry'
-      FetchRemoteStatusService.new.call(atom_url)
+      FetchRemoteStatusService.new.call(atom_url, body)
     end
   end
 end
diff --git a/app/services/fetch_remote_status_service.rb b/app/services/fetch_remote_status_service.rb
index 7063231e..e2d18572 100644
--- a/app/services/fetch_remote_status_service.rb
+++ b/app/services/fetch_remote_status_service.rb
@@ -1,8 +1,13 @@
 # frozen_string_literal: true
 
 class FetchRemoteStatusService < BaseService
-  def call(url)
-    atom_url, body = FetchAtomService.new.call(url)
+  def call(url, prefetched_body = nil)
+    if prefetched_body.nil?
+      atom_url, body = FetchAtomService.new.call(url)
+    else
+      atom_url = url
+      body     = prefetched_body
+    end
 
     return nil if atom_url.nil?
     process_atom(atom_url, body)
diff --git a/db/migrate/20170322162804_add_search_index_to_tags.rb b/db/migrate/20170322162804_add_search_index_to_tags.rb
new file mode 100644
index 00000000..415dff9a
--- /dev/null
+++ b/db/migrate/20170322162804_add_search_index_to_tags.rb
@@ -0,0 +1,9 @@
+class AddSearchIndexToTags < ActiveRecord::Migration[5.0]
+  def up
+    execute 'CREATE INDEX hashtag_search_index ON tags USING gin(to_tsvector(\'simple\', tags.name));'
+  end
+
+  def down
+    remove_index :tags, name: :hashtag_search_index
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 44b52c22..2457b523 100644
--- a/db/schema.rb
+++ b/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: 20170322143850) do
+ActiveRecord::Schema.define(version: 20170322162804) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -259,6 +259,7 @@ ActiveRecord::Schema.define(version: 20170322143850) do
     t.string   "name",       default: "", null: false
     t.datetime "created_at",              null: false
     t.datetime "updated_at",              null: false
+    t.index "to_tsvector('simple'::regconfig, (name)::text)", name: "hashtag_search_index", using: :gin
     t.index ["name"], name: "index_tags_on_name", unique: true, using: :btree
   end
 

From 33fac87e81918e69c781ce07ca339f23a7ac593f Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Wed, 22 Mar 2017 17:41:52 +0100
Subject: [PATCH 4/5] Shorter timeout on FetchAtomService

---
 app/services/fetch_atom_service.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/services/fetch_atom_service.rb b/app/services/fetch_atom_service.rb
index f7e9c150..c3dad1eb 100644
--- a/app/services/fetch_atom_service.rb
+++ b/app/services/fetch_atom_service.rb
@@ -47,6 +47,6 @@ class FetchAtomService < BaseService
   end
 
   def http_client
-    HTTP.timeout(:per_operation, write: 20, connect: 20, read: 50).follow
+    HTTP.timeout(:per_operation, write: 10, connect: 10, read: 10).follow
   end
 end

From d6ed2eb512f09600d7cd8150bb9b547442a9d68b Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Wed, 22 Mar 2017 19:26:22 +0100
Subject: [PATCH 5/5] Prettier account and stream entry URLs

---
 app/controllers/statuses_controller.rb        | 39 +++++++++++++++++++
 app/lib/tag_manager.rb                        |  4 +-
 app/services/process_interaction_service.rb   |  2 +-
 app/views/accounts/_header.html.haml          |  4 +-
 app/views/stream_entries/_status.html.haml    |  4 +-
 app/views/stream_entries/show.html.haml       |  2 +-
 config/routes.rb                              |  8 ++--
 .../controllers/api/salmon_controller_spec.rb |  1 -
 8 files changed, 53 insertions(+), 11 deletions(-)
 create mode 100644 app/controllers/statuses_controller.rb

diff --git a/app/controllers/statuses_controller.rb b/app/controllers/statuses_controller.rb
new file mode 100644
index 00000000..696bb4f5
--- /dev/null
+++ b/app/controllers/statuses_controller.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+class StatusesController < ApplicationController
+  layout 'public'
+
+  before_action :set_account
+  before_action :set_status
+  before_action :set_link_headers
+  before_action :check_account_suspension
+
+  def show
+    @ancestors   = @status.reply? ? cache_collection(@status.ancestors(current_account), Status) : []
+    @descendants = cache_collection(@status.descendants(current_account), Status)
+
+    render 'stream_entries/show'
+  end
+
+  private
+
+  def set_account
+    @account = Account.find_local!(params[:account_username])
+  end
+
+  def set_link_headers
+    response.headers['Link'] = LinkHeader.new([[account_stream_entry_url(@account, @status.stream_entry, format: 'atom'), [%w(rel alternate), %w(type application/atom+xml)]]])
+  end
+
+  def set_status
+    @status       = @account.statuses.find(params[:id])
+    @stream_entry = @status.stream_entry
+    @type         = @stream_entry.activity_type.downcase
+
+    raise ActiveRecord::RecordNotFound unless @status.permitted?(current_account)
+  end
+
+  def check_account_suspension
+    gone if @account.suspended?
+  end
+end
diff --git a/app/lib/tag_manager.rb b/app/lib/tag_manager.rb
index 9fef70fd..34c3edc4 100644
--- a/app/lib/tag_manager.rb
+++ b/app/lib/tag_manager.rb
@@ -82,7 +82,9 @@ class TagManager
 
     case target.object_type
     when :person
-      account_url(target)
+      short_account_url(target)
+    when :note, :comment, :activity
+      short_account_status_url(target.account, target)
     else
       account_stream_entry_url(target.account, target.stream_entry)
     end
diff --git a/app/services/process_interaction_service.rb b/app/services/process_interaction_service.rb
index c74ff9e2..d5f7b4b3 100644
--- a/app/services/process_interaction_service.rb
+++ b/app/services/process_interaction_service.rb
@@ -64,7 +64,7 @@ class ProcessInteractionService < BaseService
   end
 
   def mentions_account?(xml, account)
-    xml.xpath('/xmlns:entry/xmlns:link[@rel="mentioned"]', xmlns: TagManager::XMLNS).each { |mention_link| return true if mention_link.attribute('href').value == TagManager.instance.url_for(account) }
+    xml.xpath('/xmlns:entry/xmlns:link[@rel="mentioned"]', xmlns: TagManager::XMLNS).each { |mention_link| return true if [TagManager.instance.uri_for(account), TagManager.instance.url_for(account)].include?(mention_link.attribute('href').value) }
     false
   end
 
diff --git a/app/views/accounts/_header.html.haml b/app/views/accounts/_header.html.haml
index f575e855..e35b0831 100644
--- a/app/views/accounts/_header.html.haml
+++ b/app/views/accounts/_header.html.haml
@@ -20,8 +20,8 @@
       .account__header__content.p-note.emojify= Formatter.instance.simplified_format(@account)
 
     .details-counters
-      .counter{ class: active_nav_class(account_url(@account)) }
-        = link_to account_url(@account), class: 'u-url u-uid' do
+      .counter{ class: active_nav_class(short_account_url(@account)) }
+        = link_to short_account_url(@account), class: 'u-url u-uid' do
           %span.counter-label= t('accounts.posts')
           %span.counter-number= number_with_delimiter @account.statuses.count
       .counter{ class: active_nav_class(following_account_url(@account)) }
diff --git a/app/views/stream_entries/_status.html.haml b/app/views/stream_entries/_status.html.haml
index f70e2c89..cdd0dde3 100644
--- a/app/views/stream_entries/_status.html.haml
+++ b/app/views/stream_entries/_status.html.haml
@@ -4,7 +4,7 @@
 - centered        ||= include_threads && !is_predecessor && !is_successor
 
 - if status.reply? && include_threads
-  = render partial: 'status', collection: @ancestors, as: :status, locals: { is_predecessor: true }
+  = render partial: 'stream_entries/status', collection: @ancestors, as: :status, locals: { is_predecessor: true }
 
 .entry{ class: entry_classes(status, is_predecessor, is_successor, include_threads) }
   - if status.reblog?
@@ -19,4 +19,4 @@
   = render partial: centered ? 'stream_entries/detailed_status' : 'stream_entries/simple_status', locals: { status: proper_status(status) }
 
 - if include_threads
-  = render partial: 'status', collection: @descendants, as: :status, locals: { is_successor: true }
+  = render partial: 'stream_entries/status', collection: @descendants, as: :status, locals: { is_successor: true }
diff --git a/app/views/stream_entries/show.html.haml b/app/views/stream_entries/show.html.haml
index 7a1afdd9..c109ff4b 100644
--- a/app/views/stream_entries/show.html.haml
+++ b/app/views/stream_entries/show.html.haml
@@ -24,4 +24,4 @@
   = render partial: 'shared/landing_strip', locals: { account: @stream_entry.account }
 
 .activity-stream.activity-stream-headless
-  = render partial: @type, locals: { @type.to_sym => @stream_entry.activity, include_threads: true }
+  = render partial: "stream_entries/#{@type}", locals: { @type.to_sym => @stream_entry.activity, include_threads: true }
diff --git a/config/routes.rb b/config/routes.rb
index b3f623c0..cf836496 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -24,6 +24,8 @@ Rails.application.routes.draw do
     confirmations:      'auth/confirmations',
   }
 
+  get '/users/:username', to: redirect('/@%{username}'), constraints: { format: :html }
+
   resources :accounts, path: 'users', only: [:show], param: :username do
     resources :stream_entries, path: 'updates', only: [:show] do
       member do
@@ -43,6 +45,9 @@ Rails.application.routes.draw do
     end
   end
 
+  get '/@:username', to: 'accounts#show', as: :short_account
+  get '/@:account_username/:id', to: 'statuses#show', as: :short_account_status
+
   namespace :settings do
     resource :profile, only: [:show, :update]
     resource :preferences, only: [:show, :update]
@@ -189,8 +194,5 @@ Rails.application.routes.draw do
 
   root 'home#index'
 
-  get '/:username', to: redirect('/users/%{username}')
-  get '/:username/:id', to: redirect('/users/%{username}/updates/%{id}')
-
   match '*unmatched_route', via: :all, to: 'application#raise_not_found'
 end
diff --git a/spec/controllers/api/salmon_controller_spec.rb b/spec/controllers/api/salmon_controller_spec.rb
index 3d3a973d..6897caee 100644
--- a/spec/controllers/api/salmon_controller_spec.rb
+++ b/spec/controllers/api/salmon_controller_spec.rb
@@ -6,7 +6,6 @@ RSpec.describe Api::SalmonController, type: :controller do
   let(:account) { Fabricate(:user, account: Fabricate(:account, username: 'catsrgr8')).account }
 
   before do
-    stub_request(:post, "https://pubsubhubbub.superfeedr.com/").to_return(:status => 200, :body => "", :headers => {})
     stub_request(:get, "https://quitter.no/.well-known/host-meta").to_return(request_fixture('.host-meta.txt'))
     stub_request(:get, "https://quitter.no/.well-known/webfinger?resource=acct:gargron@quitter.no").to_return(request_fixture('webfinger.txt'))
     stub_request(:get, "https://quitter.no/api/statuses/user_timeline/7477.atom").to_return(request_fixture('feed.txt'))