annotate mod_muc_badge/mod_muc_badge.lua @ 5551:8bfcedd93a72

mod_rest: List all error conditions in OpenAPI spec These are not handled by datamanager but by util.stanza and util.error, so they are not represented in the JSON schema file.
author Kim Alvefur <zash@zash.se>
date Sat, 17 Jun 2023 16:26:33 +0200
parents 8a4b17e2e984
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3141
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- MIT License
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 --
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 -- Copyright (c) 2018 Kim Alvefur
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 --
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 -- Permission is hereby granted, free of charge, to any person obtaining a copy
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 -- of this software and associated documentation files (the "Software"), to deal
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 -- in the Software without restriction, including without limitation the rights
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 -- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 -- copies of the Software, and to permit persons to whom the Software is
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 -- furnished to do so, subject to the following conditions:
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 --
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 -- The above copyright notice and this permission notice shall be included in
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 -- all copies or substantial portions of the Software.
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 --
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 -- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 -- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 -- IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 -- CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 -- TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 -- SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 module:depends"http";
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 local jid_prep = require "util.jid".prep;
4982
8a4b17e2e984 mod_muc_badge: If room has no title use localpart of room's jid (fixes #1767)
Citronalco <geierb@geierb.de>
parents: 3286
diff changeset
26 local jid_split = require "util.jid".split;
3141
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 -- Support both old and new MUC code
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 local mod_muc = module:depends"muc";
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 local rooms = rawget(mod_muc, "rooms");
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 local get_room_from_jid = rawget(mod_muc, "get_room_from_jid") or
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 function (jid)
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 return rooms[jid];
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 end
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 -- I believe the origins of this template to be in the public domain as per
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 -- https://github.com/badges/shields/blob/master/LICENSE.md
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 local template = module:get_option_string("badge_template", [[
3172
8d2fe3b93c15 mod_muc_badge: Simplify SVG
Kim Alvefur <zash@zash.se>
parents: 3141
diff changeset
39 <?xml version="1.0"?>
3173
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
40 <svg xmlns="http://www.w3.org/2000/svg" width="{width}" height="20">
3172
8d2fe3b93c15 mod_muc_badge: Simplify SVG
Kim Alvefur <zash@zash.se>
parents: 3141
diff changeset
41 <linearGradient id="b" x2="0" y2="100%">
8d2fe3b93c15 mod_muc_badge: Simplify SVG
Kim Alvefur <zash@zash.se>
parents: 3141
diff changeset
42 <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
8d2fe3b93c15 mod_muc_badge: Simplify SVG
Kim Alvefur <zash@zash.se>
parents: 3141
diff changeset
43 <stop offset="1" stop-opacity=".1"/>
8d2fe3b93c15 mod_muc_badge: Simplify SVG
Kim Alvefur <zash@zash.se>
parents: 3141
diff changeset
44 </linearGradient>
8d2fe3b93c15 mod_muc_badge: Simplify SVG
Kim Alvefur <zash@zash.se>
parents: 3141
diff changeset
45 <clipPath id="a">
3173
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
46 <rect width="{width}" height="20" rx="3" fill="#fff"/>
3172
8d2fe3b93c15 mod_muc_badge: Simplify SVG
Kim Alvefur <zash@zash.se>
parents: 3141
diff changeset
47 </clipPath>
8d2fe3b93c15 mod_muc_badge: Simplify SVG
Kim Alvefur <zash@zash.se>
parents: 3141
diff changeset
48 <g clip-path="url(#a)">
3173
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
49 <path fill="#555" d="M0 0h{labelwidth}v20H0z"/>
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
50 <path fill="#fe7d37" d="M{labelwidth} 0h{countwidth}v20H{labelwidth}z"/>
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
51 <path fill="url(#b)" d="M0 0h{width}v20H0z"/>
3172
8d2fe3b93c15 mod_muc_badge: Simplify SVG
Kim Alvefur <zash@zash.se>
parents: 3141
diff changeset
52 </g>
3284
29a4d8b63fb1 mod_muc_badge: Preserve spaces in SVG, fixes displaying nicer borders.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3173
diff changeset
53 <g fill="#fff" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11" xml:space="preserve">
3286
4d1f6d47c889 mod_muc_badge: Reduce the opacity of the text shadows.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3285
diff changeset
54 <text fill="#010101" fill-opacity=".3" y="14" x="0" textLength="{labelwidth}">{label}</text>
3173
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
55 <text y="13" x="0" textLength="{labelwidth}">{label}</text>
3286
4d1f6d47c889 mod_muc_badge: Reduce the opacity of the text shadows.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3285
diff changeset
56 <text fill="#010101" fill-opacity=".3" y="14" x="{labelwidth}" textLength="{countwidth}">{number}</text>
3173
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
57 <text y="13" x="{labelwidth}" textLength="{countwidth}">{number}</text>
3172
8d2fe3b93c15 mod_muc_badge: Simplify SVG
Kim Alvefur <zash@zash.se>
parents: 3141
diff changeset
58 </g>
3141
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
59 </svg>
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
60 ]]);
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
61 template = assert(require "util.template"(template));
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
63 local number = module:get_option_string("badge_count", "%d online");
3173
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
64 local charwidth = 7;
3141
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
65
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
66 module:provides("http", {
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
67 route = {
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
68 ["GET /*"] = function (event, path)
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
69 local jid = jid_prep(path);
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
70 if not jid then return end
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
71
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
72 local room = get_room_from_jid(jid);
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
73 if not room then return end
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
74 if (room.get_hidden or room.is_hidden)(room) then return end
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
75
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
76 local count = 0;
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
77 for _ in pairs(room._occupants) do
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
78 count = count + 1;
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
79 end
4982
8a4b17e2e984 mod_muc_badge: If room has no title use localpart of room's jid (fixes #1767)
Citronalco <geierb@geierb.de>
parents: 3286
diff changeset
80 local badge_label = (" %s "):format(room:get_name() or jid_split(jid));
3285
38892f9f3fe9 mod_muc_badge: Add spaces around each part of the text.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3284
diff changeset
81 local badge_count = (" %s "):format(string.format(number, count));
3141
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
82
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
83 local response = event.response;
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
84 response.headers.content_type = "image/svg+xml";
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
85 local svg = [[<?xml version="1.0"?>]] ..
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
86 tostring(template.apply({
3173
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
87 label = badge_label;
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
88 number = badge_count;
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
89 width = ("%d"):format( (#badge_label + #badge_count) * charwidth );
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
90 labelwidth = ("%d"):format( #badge_label * charwidth );
cd23446eaff1 mod_muc_badge: Use room name instead of fixed string (beware the silly width calculations)
Kim Alvefur <zash@zash.se>
parents: 3172
diff changeset
91 countwidth = ("%d"):format( #badge_count * charwidth );
3141
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
92 }));
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
93 return svg;
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
94 end;
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
95 }
774845606d73 mod_muc_badge: Generates a SVG badge with the number of occupants in rooms
Kim Alvefur <zash@zash.se>
parents:
diff changeset
96 });