matrix-bot/src/TextForEvent.js

69 lines
2.7 KiB
JavaScript

function textForMemberEvent(ev) {
// XXX: SYJS-16
var senderName = ev.sender ? ev.sender.name : ev.getSender();
var targetName = ev.target ? ev.target.name : ev.getContent().state_key;
var reason = ev.getContent().reason ? (
" Reason: " + ev.getContent().reason
) : "";
switch (ev.getContent().membership) {
case 'invite':
return senderName + " invited " + targetName + ".";
case 'ban':
return senderName + " banned " + targetName + "." + reason;
case 'join':
if (ev.getPrevContent() && ev.getPrevContent().membership == 'join') {
if (ev.getPrevContent().displayname && ev.getContent().displayname) {
return ev.getSender() + " changed their display name from " +
ev.getPrevContent().displayname + " to " +
ev.getContent().displayname;
} else if (!ev.getPrevContent().displayname && ev.getContent().displayname) {
return ev.getSender() + " set their display name to " + ev.getContent().displayname;
} else if (ev.getPrevContent().displayname && !ev.getContent().displayname) {
return ev.getSender() + " removed their display name";
}
} else {
if (!ev.target) console.warn("Join message has no target! -- " + ev.getContent().state_key);
return targetName + " joined the room.";
}
case 'leave':
if (ev.getSender() === ev.getStateKey()) {
return targetName + " left the room.";
}
else if (ev.getPrevContent().membership === "ban") {
return senderName + " unbanned " + targetName + ".";
}
else if (ev.getPrevContent().membership === "join") {
return senderName + " kicked " + targetName + "." + reason;
}
else {
return targetName + " left the room.";
}
}
};
function textForMessageEvent(ev) {
var senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
var message = senderDisplayName + ': ' + ev.getContent().body;
if (ev.getContent().msgtype === "m.emote") {
message = "* " + senderDisplayName + " " + message;
} else if (ev.getContent().msgtype === "m.image") {
message = senderDisplayName + " sent an image.";
}
return message;
};
var handlers = {
'm.room.message': textForMessageEvent,
'm.room.member': textForMemberEvent
};
module.exports = {
textForEvent: function(ev) {
var hdlr = handlers[ev.getType()];
if (!hdlr) return "";
return hdlr(ev);
}
}