Reload the conf only if files has been modified

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Kay0u 2020-09-02 12:57:16 +02:00
parent 3f362be371
commit 1ca22508fc
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@ -6,15 +6,41 @@
module('config', package.seeall)
local config_attributes = nil
local config_persistent_attributes = nil
local conf = {}
function compare_attributes(file_attributes1, file_attributes2)
if file_attributes1 == nil and file_attributes2 == nil then
return true
elseif file_attributes1 == nil and file_attributes2 ~= nil or file_attributes1 ~= nil and file_attributes2 == nil then
return false
end
return file_attributes1["modification"] == file_attributes2["modification"] and file_attributes1["size"] == file_attributes2["size"]
end
function get_config()
-- Load the configuration file
local conf_file = assert(io.open(conf_path, "r"), "Configuration file is missing")
local conf = json.decode(conf_file:read("*all"))
if conf_file ~= nil then
conf_file:close()
-- Get config files attributes (timestamp modification and size)
local new_config_attributes = lfs.attributes(conf_path, {"modification", "size"})
local new_config_persistent_attributes = lfs.attributes(conf_path..".persistent", {"modification", "size"})
if compare_attributes(new_config_attributes, config_attributes) and compare_attributes(new_config_persistent_attributes, config_persistent_attributes) then
return conf
-- If the file is being written, its size may be 0 and reloading fails, return the last valid config
elseif new_config_attributes == nil or new_config_attributes["size"] == 0 then
return conf
end
-- If the timestamp of the modification or the size is different, reload the configuration.
config_attributes = new_config_attributes
config_persistent_attributes = new_config_persistent_attributes
local conf_file = assert(io.open(conf_path, "r"), "Configuration file is missing")
conf = json.decode(conf_file:read("*all"))
conf_file:close()
-- Load additional rules from the `.persistent` configuration file.
-- The `.persistent` file contains rules that will overwrite previous rules.
-- It typically enables you to set custom rules.
@ -24,19 +50,19 @@ function get_config()
persistent_conf_file:close()
for k, v in pairs(perm_conf) do
-- If the configuration key already exists and is a table, merge it
if conf[k] and type(v) == "table" then
for subk, subv in pairs(v) do
if type(subk) == "number" then
table.insert(conf[k], subv)
else
conf[k][subk] = subv
end
end
-- If the configuration key already exists and is a table, merge it
if conf[k] and type(v) == "table" then
for subk, subv in pairs(v) do
if type(subk) == "number" then
table.insert(conf[k], subv)
else
conf[k][subk] = subv
end
end
-- Else just take the persistent rule's value
else
conf[k] = v
conf[k] = v
end
end
end