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wipe away beautiful reference
[etc/awesome.git] / widgets / maildir.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013,      Luke Bonham                
6       * (c) 2010-2012, Peter Hofmann              
7                                                   
8 --]]
9
10 local awful        = require("awful")
11 local wibox        = require("wibox")
12 local helpers      = require("lain.helpers")
13 local io           = { popen  = io.popen }
14 local os           = { getenv = os.getenv }
15 local string       = { format = string.format,
16                        match  = string.match }
17 local setmetatable = setmetatable
18
19 -- Maildir check (synchronous)
20 -- lain.widgets.maildir
21 local maildir = {}
22
23 local function worker(args)
24     local args         = args or {}
25     local timeout      = args.timeout or 60
26     local mailpath     = args.mailpath or os.getenv("HOME") .. "/Mail"
27     local ignore_boxes = args.ignore_boxes or {}
28     local settings     = args.settings or function() end
29     local cmd          = args.cmd
30
31     maildir.widget = wibox.widget.textbox()
32
33     function maildir.update()
34         if cmd then helpers.async({ awful.util.shell, "-c", cmd }, function() end) end
35
36         -- Find pathes to mailboxes.
37         local p = io.popen(string.format("find %s -mindepth 1 -maxdepth 2 -type d -not -name .git", mailpath))
38         local boxes = {}
39         repeat
40             line = p:read("*l")
41             if line then
42                 -- Find all files in the "new" subdirectory. For each
43                 -- file, print a single character (no newline). Don't
44                 -- match files that begin with a dot.
45                 -- Afterwards the length of this string is the number of
46                 -- new mails in that box.
47                 local mailstring = helpers.read_pipe(string.format("find %s /new -mindepth 1 -type f -not -name '.*' -printf a", line))
48
49                 -- Strip off leading mailpath.
50                 local box      = string.match(line, mailpath .. "/(.*)")
51                 local nummails = #mailstring
52
53                 if nummails > 0 then
54                     boxes[box] = nummails
55                 end
56             end
57         until not line
58         p:close()
59
60         local newmail = "no mail"
61         local total = 0
62
63         for box, number in helpers.spairs(boxes) do
64             -- Add this box only if it's not to be ignored.
65             if not helpers.element_in_table(box, ignore_boxes) then
66                 total = total + number
67                 if newmail == "no mail" then
68                     newmail = string.format("%s(%s)", box, number)
69                 else
70                     newmail = string.format("%s, %s(%s)", newmail, box, number)
71                 end
72             end
73         end
74
75         widget = maildir.widget
76         settings()
77     end
78
79     maildir.timer = helpers.newtimer(mailpath, timeout, maildir.update, true, true)
80
81     return maildir
82 end
83
84 return setmetatable(maildir, { __call = function(_, ...) return worker(...) end })