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local function get_status(status)
local smap = {
['success'] = 'success',
['pending'] = 'pending',
['failure'] = 'failure',
['error'] = 'error',
['true'] = 'success',
['false'] = 'failure',
['nil'] = 'error',
}
return smap[tostring(status)] or 'error'
end
return function(inital_status)
local objstat = get_status(inital_status)
local obj = {
success = function(self) return (objstat == 'success') end,
pending = function(self) return (objstat == 'pending') end,
failure = function(self) return (objstat == 'failure') end,
error = function(self) return (objstat == 'error') end,
get = function(self)
return objstat
end,
set = function(self, status)
objstat = get_status(status)
end,
update = function(self, status)
-- prefer current failure/error status over new status
status = get_status(status)
if objstat == 'success' or (objstat == 'pending' and status ~= 'success') then
objstat = status
end
end
}
return setmetatable(obj, {
__index = {},
__tostring = function(self) return objstat end
})
end
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