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refresh widget fix
[etc/awesome.git] / widgets / imap.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013, Luke Bonham                     
6                                                   
7 --]]
8
9 local helpers      = require("lain.helpers")
10
11 local naughty      = require("naughty")
12 local wibox        = require("wibox")
13
14 local io           = { popen = io.popen }
15 local tonumber     = tonumber
16 local string       = { len    = string.len,
17                        format = string.format }
18
19 local setmetatable = setmetatable
20
21 -- Mail IMAP check
22 -- lain.widgets.imap
23 local imap = {}
24
25 local function worker(args)
26     local args     = args or {}
27
28     local server   = args.server
29     local mail     = args.mail
30     local password = args.password
31
32     local port     = args.port or "993"
33     local timeout  = args.timeout or 60
34     local encoding = args.encoding or nil
35     local maxlen   = args.maxlen or 200
36     local is_plain = args.is_plain or false
37     local settings = args.settings or function() end
38
39     local checkmail = helpers.scripts_dir .. "checkmail"
40
41     helpers.set_map(mail, true)
42     helpers.set_map(mail .. " count", "0")
43
44     if not is_plain
45     then
46         if not imap.stored
47         then
48             local f = io.popen(password)
49             password = f:read("*all"):gsub("\n", ""):gsub("\r", "")
50             f:close()
51             imap.stored = password
52         else
53             password = imap.stored
54         end
55     end
56
57     imap.widget = wibox.widget.textbox('')
58
59     notification_preset = {
60         icon     = helpers.icons_dir .. "mail.png",
61         timeout  = 8,
62         position = "top_left"
63     }
64
65     function imap.update()
66         to_execute = string.format("%s -s %s -u %s -p %s --port %s",
67                      checkmail, server, mail, password, port) 
68
69         if encoding ~= nil
70         then
71             to_execute = string.format("%s --encoding %s",
72                          to_execute, encoding)
73         end
74
75         f = io.popen(to_execute)
76         ws = f:read("*all")
77         f:close()
78
79         mailcount = "0"
80
81         if ws:find("No new messages") ~= nil
82         then
83             helpers.set_map(mail, true)
84         elseif ws:find("CheckMailError: invalid credentials") ~= nil
85         then
86             helpers.set_map(mail, true)
87             mailcount = "invalid credentials"
88         else
89             mailcount = ws:match("%d") or "0"
90             if helpers.get_map(mail .. " count") ~= mailcount and mailcount ~= "0"
91             then
92                 helpers.set_map(mail, true)
93                 helpers.set_map(mail .. " count", mailcount)
94             end
95         end
96
97         widget = imap.widget
98         settings()
99
100         if helpers.get_map(mail) and tonumber(mailcount) >= 1
101         then
102             notify_title = ws:match(mail .. " has %d new message.?")
103             ws = ws:gsub(notify_title, "", 1):gsub("\n", "", 2)
104
105             -- trying to remove useless infos
106             ws = ws:gsub("--Content.%S+.-\n", "")
107             ws = ws:gsub("--%d+.-\n", "")
108
109             if string.len(ws) > maxlen
110             then
111                 ws = ws:sub(1, maxlen) .. "[...]"
112             end
113
114             notify_title = notify_title:gsub("\n", "")
115
116             naughty.notify({
117                 preset = notification_preset,
118                 title = notify_title,
119                 text = ws
120             })
121
122             helpers.set_map(mail, false)
123         end
124     end
125
126     helpers.newtimer(mail, timeout, imap.update, true)
127
128     return imap.widget
129 end
130
131 return setmetatable(imap, { __call = function(_, ...) return worker(...) end })