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remove naughty
[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 newtimer        = require("lain.helpers").newtimer
11
12 local wibox           = require("wibox")
13
14 local util            = require("lain.util")
15
16 local io              = { popen  = io.popen }
17 local os              = { getenv = os.getenv }
18 local pairs           = pairs
19 local string          = { len    = string.len,
20                           match  = string.match }
21 local table           = { sort   = table.sort }
22
23 local setmetatable    = setmetatable
24
25 -- Maildir check
26 -- lain.widgets.maildir
27 local maildir = {}
28
29 local function worker(args)
30     local args         = args or {}
31     local timeout      = args.timeout or 60
32     local mailpath     = args.mailpath or os.getenv("HOME") .. "/Mail"
33     local ignore_boxes = args.ignore_boxes or {}
34     local settings     = args.settings or function() end
35
36     maildir.widget = wibox.widget.textbox('')
37
38     function update()
39         -- Find pathes to mailboxes.
40         local p = io.popen("find " .. mailpath ..
41                            " -mindepth 1 -maxdepth 1 -type d" ..
42                            " -not -name .git")
43         local boxes = {}
44         repeat
45             line = p:read("*l")
46             if line ~= nil
47             then
48                 -- Find all files in the "new" subdirectory. For each
49                 -- file, print a single character (no newline). Don't
50                 -- match files that begin with a dot.
51                 -- Afterwards the length of this string is the number of
52                 -- new mails in that box.
53                 local np = io.popen("find " .. line ..
54                                     "/new -mindepth 1 -type f " ..
55                                     "-not -name '.*' -printf a")
56                 local mailstring = np:read("*a")
57
58                 -- Strip off leading mailpath.
59                 local box = string.match(line, mailpath .. "/*([^/]+)")
60                 local nummails = string.len(mailstring)
61                 if nummails > 0
62                 then
63                     boxes[box] = nummails
64                 end
65             end
66         until line == nil
67
68         table.sort(boxes)
69
70         newmail = "no mail"
71         --Count the total number of mails irrespective of where it was found
72         total = 0
73
74         for box, number in pairs(boxes)
75         do
76             -- Add this box only if it's not to be ignored.
77             if not util.element_in_table(box, ignore_boxes)
78             then
79                 total = total + number
80                 if newmail == "no mail"
81                 then
82                     newmail = box .. "(" .. number .. ")"
83                 else
84                     newmail = newmail .. ", " ..
85                               box .. "(" .. number .. ")"
86                 end
87             end
88         end
89
90         widget = maildir.widget
91         settings()
92     end
93
94     newtimer(mailpath, timeout, update, true)
95     return maildir.widget
96 end
97
98 return setmetatable(maildir, { __call = function(_, ...) return worker(...) end })