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path: root/web/react/components/post_body.jsx
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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.

import FileAttachmentList from './file_attachment_list.jsx';
import UserStore from '../stores/user_store.jsx';
import * as Utils from '../utils/utils.jsx';
import * as Emoji from '../utils/emoticons.jsx';
import Constants from '../utils/constants.jsx';
import * as TextFormatting from '../utils/text_formatting.jsx';
import twemoji from 'twemoji';
import PostBodyAdditionalContent from './post_body_additional_content.jsx';

import {intlShape, injectIntl, defineMessages, FormattedMessage} from 'mm-intl';

const holders = defineMessages({
    plusOne: {
        id: 'post_body.plusOne',
        defaultMessage: ' plus 1 other file'
    },
    plusMore: {
        id: 'post_body.plusMore',
        defaultMessage: ' plus {count} other files'
    }
});

class PostBody extends React.Component {
    constructor(props) {
        super(props);

        this.parseEmojis = this.parseEmojis.bind(this);
    }

    getAllChildNodes(nodeIn) {
        var textNodes = [];

        function getTextNodes(node) {
            textNodes.push(node);

            for (var i = 0, len = node.childNodes.length; i < len; ++i) {
                getTextNodes(node.childNodes[i]);
            }
        }

        getTextNodes(nodeIn);
        return textNodes;
    }

    parseEmojis() {
        twemoji.parse(ReactDOM.findDOMNode(this), {
            className: 'emoji twemoji',
            base: '',
            folder: Emoji.getImagePathForEmoticon()
        });
    }

    componentDidMount() {
        this.parseEmojis();
    }

    render() {
        const {formatMessage} = this.props.intl;
        const post = this.props.post;
        const filenames = this.props.post.filenames;
        const parentPost = this.props.parentPost;

        let comment = '';
        let postClass = '';

        if (parentPost) {
            const profile = UserStore.getProfile(parentPost.user_id);

            let apostrophe = '';
            let name = '...';
            if (profile != null) {
                let username = profile.username;
                if (parentPost.props &&
                        parentPost.props.from_webhook &&
                        parentPost.props.override_username &&
                        global.window.mm_config.EnablePostUsernameOverride === 'true') {
                    username = parentPost.props.override_username;
                }

                if (username.slice(-1) === 's') {
                    apostrophe = '\'';
                } else {
                    apostrophe = '\'s';
                }
                name = (
                    <a
                        className='theme'
                        onClick={Utils.searchForTerm.bind(null, username)}
                    >
                        {username}
                    </a>
                );
            }

            let message = '';
            if (parentPost.message) {
                message = Utils.replaceHtmlEntities(parentPost.message);
            } else if (parentPost.filenames.length) {
                message = parentPost.filenames[0].split('/').pop();

                if (parentPost.filenames.length === 2) {
                    message += formatMessage(holders.plusOne);
                } else if (parentPost.filenames.length > 2) {
                    message += formatMessage(holders.plusMore, {count: (parentPost.filenames.length - 1)});
                }
            }

            comment = (
                <div className='post__link'>
                    <span>
                        <FormattedMessage
                            id='post_body.commentedOn'
                            defaultMessage='Commented on {name}{apostrophe} message: '
                            values={{
                                name: (name),
                                apostrophe: apostrophe
                            }}
                        />
                        <a
                            className='theme'
                            onClick={this.props.handleCommentClick}
                        >
                            {message}
                        </a>
                    </span>
                </div>
            );
        }

        let loading;
        if (post.state === Constants.POST_FAILED) {
            postClass += ' post--fail';
            loading = (
                <a
                    className='theme post-retry pull-right'
                    href='#'
                    onClick={this.props.retryPost}
                >
                    <FormattedMessage
                        id='post_body.retry'
                        defaultMessage='Retry'
                    />
                </a>
            );
        } else if (post.state === Constants.POST_LOADING) {
            postClass += ' post-waiting';
            loading = (
                <img
                    className='post-loading-gif pull-right'
                    src='/static/images/load.gif'
                />
            );
        }

        let fileAttachmentHolder = '';
        if (filenames && filenames.length > 0) {
            fileAttachmentHolder = (
                <FileAttachmentList
                    filenames={filenames}
                    channelId={post.channel_id}
                    userId={post.user_id}
                />
            );
        }

        let message;
        let additionalContent = null;
        if (this.props.post.state === Constants.POST_DELETED) {
            message = (
                <FormattedMessage
                    id='post_body.deleted'
                    defaultMessage='(message deleted)'
                />
            );
        } else {
            message = (
                <span
                    onClick={TextFormatting.handleClick}
                    dangerouslySetInnerHTML={{__html: TextFormatting.formatText(this.props.post.message)}}
                />
            );

            additionalContent = (
                <PostBodyAdditionalContent post={this.props.post}/>
            );
        }

        return (
            <div>
                {comment}
                <div className='post__body'>
                    <div
                        key={`${post.id}_message`}
                        id={`${post.id}_message`}
                        className={postClass}
                    >
                        {loading}
                        {message}
                    </div>
                    {fileAttachmentHolder}
                    {additionalContent}
                </div>
            </div>
        );
    }
}

PostBody.propTypes = {
    intl: intlShape.isRequired,
    post: React.PropTypes.object.isRequired,
    parentPost: React.PropTypes.object,
    retryPost: React.PropTypes.func.isRequired,
    handleCommentClick: React.PropTypes.func.isRequired
};

export default injectIntl(PostBody);