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// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import React from 'react';
import {FormattedMessage} from 'react-intl';
import {PostTypes} from 'utils/constants.jsx';
import {formatText} from 'utils/text_formatting.jsx';
function renderUsername(value, options) {
return renderFormattedText(value, {...options, markdown: false});
}
function renderFormattedText(value, options) {
return <span dangerouslySetInnerHTML={{__html: formatText(value, options)}}/>;
}
function renderJoinChannelMessage(post, options) {
const username = renderUsername(post.props.username, options);
return (
<FormattedMessage
id='api.channel.join_channel.post_and_forget'
defaultMessage='{username} has joined the channel.'
values={{username}}
/>
);
}
function renderLeaveChannelMessage(post, options) {
const username = renderUsername(post.props.username, options);
return (
<FormattedMessage
id='api.channel.leave.left'
defaultMessage='{username} has left the channel.'
values={{username}}
/>
);
}
function renderAddToChannelMessage(post, options) {
const username = renderUsername(post.props.username, options);
const addedUsername = renderUsername(post.props.addedUsername, options);
return (
<FormattedMessage
id='api.channel.add_member.added'
defaultMessage='{addedUsername} added to the channel by {username}'
values={{
username,
addedUsername
}}
/>
);
}
function renderRemoveFromChannelMessage(post, options) {
const removedUsername = renderUsername(post.props.removedUsername, options);
return (
<FormattedMessage
id='api.channel.remove_member.removed'
defaultMessage='{removedUsername} was removed from the channel'
values={{
removedUsername
}}
/>
);
}
function renderHeaderChangeMessage(post, options) {
if (!post.props.username) {
return null;
}
const headerOptions = {
...options,
singleline: true
};
const username = renderUsername(post.props.username, options);
const oldHeader = post.props.old_header ? renderFormattedText(post.props.old_header, headerOptions) : null;
const newHeader = post.props.new_header ? renderFormattedText(post.props.new_header, headerOptions) : null;
if (post.props.new_header) {
if (post.props.old_header) {
return (
<FormattedMessage
id='api.channel.post_update_channel_header_message_and_forget.updated_from'
defaultMessage='{username} updated the channel header from: {old} to: {new}'
values={{
username,
old: oldHeader,
new: newHeader
}}
/>
);
}
return (
<FormattedMessage
id='api.channel.post_update_channel_header_message_and_forget.updated_to'
defaultMessage='{username} updated the channel header to: {new}'
values={{
username,
new: newHeader
}}
/>
);
} else if (post.props.old_header) {
return (
<FormattedMessage
id='api.channel.post_update_channel_header_message_and_forget.removed'
defaultMessage='{username} removed the channel header (was: {old})'
values={{
username,
old: oldHeader
}}
/>
);
}
return null;
}
function renderDisplayNameChangeMessage(post, options) {
if (!(post.props.username && post.props.old_displayname && post.props.new_displayname)) {
return null;
}
const username = renderUsername(post.props.username, options);
const oldDisplayName = post.props.old_displayname;
const newDisplayName = post.props.new_displayname;
return (
<FormattedMessage
id='api.channel.post_update_channel_displayname_message_and_forget.updated_from'
defaultMessage='{username} updated the channel display name from: {old} to: {new}'
values={{
username,
old: oldDisplayName,
new: newDisplayName
}}
/>
);
}
function renderPurposeChangeMessage(post, options) {
if (!post.props.username) {
return null;
}
const username = renderUsername(post.props.username, options);
const oldPurpose = post.props.old_purpose;
const newPurpose = post.props.new_purpose;
if (post.props.new_purpose) {
if (post.props.old_purpose) {
return (
<FormattedMessage
id='app.channel.post_update_channel_purpose_message.updated_from'
defaultMessage='{username} updated the channel purpose from: {old} to: {new}'
values={{
username,
old: oldPurpose,
new: newPurpose
}}
/>
);
}
return (
<FormattedMessage
id='app.channel.post_update_channel_purpose_message.updated_to'
defaultMessage='{username} updated the channel purpose to: {new}'
values={{
username,
new: newPurpose
}}
/>
);
} else if (post.props.old_purpose) {
return (
<FormattedMessage
id='app.channel.post_update_channel_purpose_message.removed'
defaultMessage='{username} removed the channel purpose (was: {old})'
values={{
username,
old: oldPurpose
}}
/>
);
}
return null;
}
function renderChannelDeletedMessage(post, options) {
if (!post.props.username) {
return null;
}
const username = renderUsername(post.props.username, options);
return (
<FormattedMessage
id='api.channel.delete_channel.archived'
defaultMessage='{username} has archived the channel.'
values={{username}}
/>
);
}
const systemMessageRenderers = {
[PostTypes.JOIN_CHANNEL]: renderJoinChannelMessage,
[PostTypes.LEAVE_CHANNEL]: renderLeaveChannelMessage,
[PostTypes.ADD_TO_CHANNEL]: renderAddToChannelMessage,
[PostTypes.REMOVE_FROM_CHANNEL]: renderRemoveFromChannelMessage,
[PostTypes.HEADER_CHANGE]: renderHeaderChangeMessage,
[PostTypes.DISPLAYNAME_CHANGE]: renderDisplayNameChangeMessage,
[PostTypes.PURPOSE_CHANGE]: renderPurposeChangeMessage,
[PostTypes.CHANNEL_DELETED]: renderChannelDeletedMessage
};
export function renderSystemMessage(post, options) {
if (!systemMessageRenderers[post.type]) {
return null;
}
return systemMessageRenderers[post.type](post, options);
}
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