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construct/share/webapp/js/room/receipt.js
2018-09-13 21:17:08 -07:00

145 lines
2.9 KiB
JavaScript

/*
// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
*/
'use strict';
/**************************************
* Receipts
*
*/
room.receipt = {};
room.receipt.__proto__ = function(room)
{
if(!maybe(() => room.local.receipt))
room.local.receipt = {};
this.local = room.local.receipt;
};
room.receipt.send = async function(event_id, type = "m.read", opts = {})
{
return false;
if(this.control.receipt_in_progress)
return false;
this.control.receipt_in_progress = event_id;
let request = client.m.rooms.receipt.post(this.id, event_id, type, opts); try
{
let data = await request.response;
return;
}
finally
{
this.control.receipt_in_progress = null;
}
};
room.receipt.send.current = function()
{
let current = this.timeline.current_event();
if(!current)
return false;
if(!current.event_id)
return false;
if(mc.event.is_local(current))
return false;
if(current.type == "m.receipt")
return false;
if(maybe(() => current["m.read"][mc.my.mxid]))
return false;
if(maybe(() => current.origin_server_ts <= this.local.ts))
return false;
let receipts =
{
[current.event_id]:
{
"m.read":
{
[mc.my.mxid]:
{
ts: mc.date.now(),
},
},
},
};
this.local.ts = mc.now();
this.receipt.update(receipts);
return this.receipt.send(current.event_id);
};
room.receipt.update = function(receipts)
{
Object.each(receipts, (event_id, read) =>
{
mayif(() => this.timeline.get(event_id), (event) =>
{
this.receipt.update.event(event, read);
});
});
};
/**
* merges updates to an object now attached to the event "m.read"
* which explicitly specified so other keys in the receipt may
* not clobber.
*/
room.receipt.update.event = function(event, read)
{
Object.update(event,
{
"m.read": read["m.read"],
});
};
/**
* Sorts the receipts by timestamp so they can be viewed in the order of
* reception.
*
* THIS FUNCTION MUST HAVE STABLE RESULTS for Angular and receipts with
* the same timestamp must have some alternative ordering property.
*
* @returns Array of mxids which are keys for receipts ordered by ts
*/
room.receipt.sorted = function(receipts)
{
return Object.keys(receipts).sort((a, b) =>
{
let tsa = receipts[a].ts;
let tsb = receipts[b].ts;
if(tsa === undefined && tsb === undefined)
return 0;
else if(tsa === undefined)
return -1;
else if(tsb === undefined)
return 1;
else
return tsa < tsb? -1:
tsa > tsb? 1:
a < b? -1:
a > b? 1:
0;
});
return ret;
};