conky/functions.lua

   1 --[[
   2
   3      Licensed under GNU General Public License v2
   4       * (c) 2014,      Samir Benmendil
   5       * (c) 2013,      Luke Bonham
   6       * (c) 2010-2012, Peter Hofmann
   7
   8 --]]
   9
  10 local io              = io
  11 local os              = { getenv = os.getenv }
  12 local pairs           = pairs
  13 local string          = { len    = string.len,
  14                           match  = string.match,
  15                           format = string.format,
  16                           sub    = string.sub }
  17
  18 -- Maildir check
  19 -- lain.widgets.maildir
  20 local maildir = {}
  21 local newmail
  22
  23 function conky_mail()
  24     local updates=tonumber(conky_parse('${updates}'))
  25     if newmail and updates % 30 ~= 0 then
  26         return newmail
  27     end
  28     local mailpath     = os.getenv("HOME") .. "/mail"
  29
  30     -- Find pathes to mailboxes.
  31     local dirs = io.popen("find " .. mailpath .. " -type d -name new -or -name cur -prune")
  32     local boxes = {}
  33     for line in dirs:lines() do
  34         -- Strip off leading mailpath.
  35         local acc = string.match(line, mailpath.."/*([^/]+)")
  36         local box = string.match(line, mailpath..'/'..acc.."/*([^/]+)")
  37         if boxes[acc] == nil then
  38             boxes[acc] = {}
  39         end
  40         if boxes[acc][box] == nil then
  41             boxes[acc][box] = {}
  42         end
  43
  44         -- Find all files in the "new" subdirectory. For each
  45         -- file, print a single character (no newline). Don't
  46         -- match files that begin with a dot.
  47         -- Afterwards the length of this string is the number of
  48         -- new mails in that box.
  49         if line:sub(-3) == 'new' then
  50             local new = io.popen("find " .. line .. " -type f -not -name '.*' -printf a")
  51             cnt_new = string.len(new:read("*all"))
  52             new:close()
  53             if cnt_new > 0 then
  54                 boxes[acc][box]['cnt_new'] = string.format("${color e6db74}%5d${color}", cnt_new)
  55             else
  56                 boxes[acc][box]['cnt_new'] = string.format("%5d", cnt_new)
  57             end
  58         elseif line:sub(-3) == 'cur' then
  59             local old = io.popen("find " .. line .. " -type f -not -name '*:2,*S*' -printf a")
  60             cnt_old = string.len(old:read("*all"))
  61             old:close()
  62             if cnt_old > 0 then
  63                 boxes[acc][box]['cnt_old'] = string.format("${color fd971f}%2d${color}", cnt_old)
  64             else
  65                 boxes[acc][box]['cnt_old'] = string.format("%2d", cnt_old)
  66             end
  67         end
  68     end
  69     dirs:close()
  70
  71     newmail = ""
  72     local accounts = {"gmail"}
  73     local mailboxes = { {"inbox", "chakra"},
  74                         {"youtube", "unimaas"}}
  75     for a, acc in pairs(accounts) do
  76         for b, box in ipairs(mailboxes) do
  77             local boxl = boxes[acc][box[1]]
  78             local boxr = boxes[acc][box[2]]
  79             newmail = newmail .. string.format("%10s:%s/%s", box[1], boxl['cnt_new'], boxl['cnt_old'])
  80             newmail = newmail .. string.format("%11s:%s/%s\n", box[2], boxr['cnt_new'], boxr['cnt_old'])
  81         end
  82     end
  83     newmail = string.sub(newmail, 1 , #newmail - 1)
  84     return newmail
  85 end