62 lines
1.6 KiB
Lua
62 lines
1.6 KiB
Lua
local has_canonical_name = minetest.get_modpath("canonical_name")
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--[[
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return the field normalized (comma separated, single space)
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and add individual player names to recipient list
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--]]
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function mail.normalize_players_and_add_recipients(field, recipients, undeliverable)
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local order = mail.parse_player_list(field)
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for _, recipient_name in ipairs(order) do
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if not minetest.player_exists(recipient_name) then
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undeliverable[recipient_name] = true
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else
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recipients[recipient_name] = true
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end
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end
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return mail.concat_player_list(order)
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end
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function mail.parse_player_list(field)
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if not field then
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return {}
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end
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local separator = ", "
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local pattern = "([^" .. separator .. "]+)"
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-- get individual players
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local player_set = {}
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local order = {}
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field:gsub(pattern, function(player_name)
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local lower = string.lower(player_name)
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if not player_set[lower] then
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if has_canonical_name then
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player_name = canonical_name.get(player_name) or player_name
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end
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player_set[lower] = player_name
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order[#order+1] = player_name
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end
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end)
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return order
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end
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function mail.concat_player_list(order)
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-- turn list of players back into normalized string
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return table.concat(order, ", ")
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end
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function mail.player_in_list(name, list)
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list = list or {}
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if type(list) == "string" then
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list = mail.parse_player_list(list)
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end
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for _, player_name in pairs(list) do
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if name == player_name then
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return true
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end
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end
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return false
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end
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