Setting up preliminary "detailed" routes in the UI, new API end-point for fetching status context

app/assets/javascripts/components/features/account/index.jsx

@@ -0,0 +1,79 @@
+import { connect }                                      from 'react-redux';
+import PureRenderMixin                                  from 'react-addons-pure-render-mixin';
+import ImmutablePropTypes                               from 'react-immutable-proptypes';
+import { fetchAccount, followAccount, unfollowAccount } from '../../actions/accounts';
+import Button                                           from '../../components/button';
+
+function selectAccount(state, id) {
+  return state.getIn(['timelines', 'accounts', id], null);
+}
+
+const mapStateToProps = (state, props) => ({
+  account: selectAccount(state, Number(props.params.accountId))
+});
+
+const Account = React.createClass({
+
+  propTypes: {
+    params: React.PropTypes.object.isRequired,
+    dispatch: React.PropTypes.func.isRequired,
+    account: ImmutablePropTypes.map
+  },
+
+  mixins: [PureRenderMixin],
+
+  componentWillMount () {
+    this.props.dispatch(fetchAccount(this.props.params.accountId));
+  },
+
+  componentWillReceiveProps(nextProps) {
+    if (nextProps.params.accountId !== this.props.params.accountId && nextProps.params.accountId) {
+      this.props.dispatch(fetchAccount(nextProps.params.accountId));
+    }
+  },
+
+  handleFollowClick () {
+    this.props.dispatch(followAccount(this.props.account.get('id')));
+  },
+
+  handleUnfollowClick () {
+    this.props.dispatch(unfollowAccount(this.props.account.get('id')));
+  },
+
+  render () {
+    const { account } = this.props;
+    let action;
+
+    if (account === null) {
+      return <div>Loading {this.props.params.accountId}...</div>;
+    }
+
+    if (account.get('following')) {
+      action = <Button text='Unfollow' onClick={this.handleUnfollowClick} />;
+    } else {
+      action = <Button text='Follow' onClick={this.handleFollowClick} />
+    }
+
+    return (
+      <div>
+        <p>
+          {account.get('display_name')}
+          {account.get('acct')}
+        </p>
+
+        {account.get('url')}
+
+        <p>{account.get('note')}</p>
+
+        {account.get('followers_count')} followers<br />
+        {account.get('following_count')} following<br />
+        {account.get('statuses_count')} posts
+
+        <p>{action}</p>
+      </div>
+    );
+  }
+
+});
+
+export default connect(mapStateToProps)(Account);