mail-cd2025/util/normalize.lua
2020-10-30 15:04:18 +01:00

61 lines
1.4 KiB
Lua

--[[
return the field normalized (comma separated, single space)
and add individual player names to recipient list
--]]
function mail.normalize_players_and_add_recipients(field, recipients)
local order = mail.parse_player_list(field)
for _, c in ipairs(order) do
if recipients[string.lower(c)] == nil then
recipients[string.lower(c)] = c
end
end
return mail.concat_player_list(order)
end
function mail.parse_player_list(field)
if not field then
return {}
end
local separator = ", "
local pattern = "([^" .. separator .. "]+)"
-- get individual players
local player_set = {}
local order = {}
field:gsub(pattern, function(c)
if player_set[string.lower(c)] == nil then
player_set[string.lower(c)] = c
order[#order+1] = c
end
end)
return order
end
function mail.concat_player_list(order)
-- turn list of players back into normalized string
return table.concat(order, ", ")
end
function mail.player_in_list(name, list)
list = list or {}
if type(list) == "string" then
list = mail.parse_player_list(list)
end
for _, c in pairs(list) do
if name == c then
return true
end
end
return false
end
function mail.ensure_new_format(message, name)
if message.to == nil then
message.to = name
end
end