Object

Documentation for this module may be created at Module:LabProcess/Object/doc

-- Module:SMW
local p = {}

-- another example, subobject used inside another function
function p.create_object( frame, args )

	--page = frame:getParent()
	local page = nil
	if args['page'] == nil then page = mw.title.getCurrentTitle()
	else page = mw.title.new(args['page']) end
	local namespace = mw.site.namespaces[page.namespace]
	mw.log(namespace.name) --or page.nsText
	
	if args['custom_id'] ~= nil and args['custom_id'] ~= "" and args['custom_id_pattern'] ~= nil and args['custom_id_replace'] then
		args['custom_id'] = string.gsub(args['custom_id'], args['custom_id_pattern'], args['custom_id_replace'])	
	end
	
	local subobjectId = args['id']
	local objectType = args['type']
	if objectType == "from_mapping" then objectType = p.getPredecessor( page.fullText .. "#" .. subobjectId ) end --query predecessor material / object
	
	local isInstance = true
	if page.nsText ~= "LabObject" then isInstance = false end
	local isGlobal = false
	if args['global'] ~= nil and args['global'] ~= "" then isGlobal = true end

	local display_label = args['label'];
	if (args['use_as_label'] == "custom_id") and isInstance == true then display_label = args['custom_id'] --don't use id as label in process types
	elseif (args['use_as_label'] == "id") then display_label = args['id'] end
	
	-- OBJECT PROPERTIES
    local properties = {}
    
    if args['custom_id'] ~= nil and args['custom_id'] ~= "" then properties['HasId'] = args['custom_id'] 
    else properties['HasId'] = string.gsub(page.fullText, page.nsText .. ":", "")  .. "#" .. args['id'] end --LabObject:1ef4...#O0001 -> 1ef4...#O0001
    
    --properties['HasName'] = args['name']
    if args['label'] ~= nil then 
    	properties['HasLabel'] = args['label'] .. "@en"
    	properties['Display title of'] = display_label
    end
    
    if isInstance == true then properties['IsInstanceOf'] = objectType
	else properties['IsA'] = objectType end 
    
    if isGlobal == true and isInstance == true then
	    properties['@category'] = {
	        'LabProcess/Object',
	        'LabProcessObject',
	        'LabProcess/GlobalObject',
	        'LabProcessOutput'
	    }
	else
		properties['@category'] = {
	        'LabProcess/Object',
	        'LabProcessObject'
	    }
	end

	mw.logObject(properties)
    local result = mw.smw.subobject( properties, subobjectId )

    if result == true then
        -- everything ok
        mw.log('Your data was stored successfully in a subobject')
    else
        -- error message to be found in result.error
        mw.log('An error occurred during the subobject storage process. Message reads ' .. result.error)
    end
    
    -- PAGE PROPERTIES
    local page_properties = {}
    page_properties['HasObject'] = page.fullText .. "#" .. subobjectId
    if global == true then
    	page_properties['HasOutput'] = page.fullText .. "#" .. subobjectId
    end
    result = mw.smw.set( page_properties )

    if result == true then
        -- everything ok
        return subobjectId .. ";"
    else
        -- error message to be found in result.error
    end
end

-- replaces a number patter with an index, e. g. 
-- Object0000 -index=32-> Object0013
function p.indexed_string(string_pattern, index)
	--local pattern = string.match(string_pattern, "%d+")
	local pattern = string.reverse(string.match(string.reverse(string_pattern), "%d+")) --select the last number group
	--local pattern = ""
	--for word in string.gmatch("string_pattern", "%d+") do pattern = word end --select the last number group
	--local offset = tonumber(pattern)
	--index = index + offset
	pattern = string.gsub(pattern, "%d", "0") --reset to e. g. 0001 to 0000
	local pattern_len = string.len(pattern)
	local index_string = "" .. index
	if (string.len(index_string) < pattern_len) then --auto grow pattern
		index_string = string.sub(pattern .. index, -pattern_len) 
	end
	local result = string.reverse(string.gsub(string.reverse(string_pattern), "%d+", string.reverse(index_string), 1)) --replace only the last number group
	return result
end

-- from https://stackoverflow.com/questions/640642/how-do-you-copy-a-lua-table-by-value
function p.copy(obj, seen)
  if type(obj) ~= 'table' then return obj end
  if seen and seen[obj] then return seen[obj] end
  local s = seen or {}
  local res = setmetatable({}, getmetatable(obj))
  s[obj] = res
  for k, v in pairs(obj) do res[p.copy(k, s)] = p.copy(v, s) end
  return res
end

function p.object( frame, reference_only )
	local args = p.copy(frame.args) --frame.args is a metatable so we have to create a normal table as copy to edit it
	
	if args['count'] == nil or args['count'] == "" then args['count'] = "1" end
	local count = tonumber(args['count'])
	
	if args['id'] == nil then args['id'] = "O0000" end
	if args['label'] == nil then args['label'] = "Object 0" end
	
	local object_ids = ""
	local custom_id_offset	= 0
	if args['custom_id_offset'] ~= nil and args['custom_id_offset'] ~= "" then custom_id_offset = tonumber(args['custom_id_offset']) end
	local id_offset = 0
	local label_offset = 0
	
	if count > 1 or (args['custom_id_offset'] ~= nil and args['custom_id_offset'] ~= "") or (args['offset'] ~= nil and args['offset'] ~= "") then 
		--set offset for arrays or if an offset is defined
		if args['custom_id'] ~= nil and args['custom_id'] ~= "" then
			if string.match(args['custom_id'], "%d+") == nil then args['custom_id'] = args['custom_id'] .. "0" end -- e. g. "O" -> "O0"
			if args['offset'] == nil or args['offset'] == "" then
				custom_id_offset = custom_id_offset + tonumber(string.reverse(string.match(string.reverse("" .. args['custom_id']), "%d+")))
			else custom_id_offset = custom_id_offset + tonumber(args['offset']) end
		end
	end
	if count > 1 or (args['offset'] ~= nil and args['offset'] ~= "") then --set offset for arrays or if an offset is defined
		if string.match(args['id'], "%d+") == nil then args['id'] = args['id'] .. "0" end -- e. g. "O" -> "O0"
		if string.match(args['label'], "%d+") == nil then args['label'] = args['label'] .. "0" end
		
		if args['offset'] == nil or args['offset'] == "" then
			id_offset = tonumber(string.reverse(string.match(string.reverse("" .. args['id']), "%d+")))
			label_offset = tonumber(string.reverse(string.match(string.reverse("" .. args['label']), "%d+")))
		else 
			id_offset	= tonumber(args['offset'])
			label_offset	= tonumber(args['offset'])
		end
	end
	
	for index = 0, count - 1 do
		if count > 1 or (args['offset'] ~= nil and args['offset'] ~= "") then --generate indexed strings for arrays or if an offset is defined
			args['id'] = p.indexed_string( args['id'], index + id_offset)
			args['label'] = p.indexed_string( args['label'], index + label_offset)
		end
		if count > 1 or (args['custom_id_offset'] ~= nil and args['custom_id_offset'] ~= "") then --generate indexed strings for arrays or if an offset is defined
			if args['custom_id'] ~= nil and args['custom_id'] ~= "" then
				args['custom_id'] = p.indexed_string( args['custom_id'], index + custom_id_offset)
			end
		end
		--object_ids = object_ids .. args['id']
		if reference_only then object_ids = object_ids .. args['id'] .. ";"
		else object_ids = object_ids .. p.create_object(frame, args) end
	end
	return object_ids
end

function p.reference( frame )
	return p.object( frame, true )
end

function p.getPredecessor(obj)
	--mw.logObject(obj)
	-- please note the unlinking of properties 'page authors', and mainlabel '?' by using the #- operator
	-- note also: unlinking via parameter link is not supported at this point
	local query = "[[IsObjectParameterOf::" .. obj .. "]] |?HasPredecessor.IsInstanceOf.-HasPredecessor#-=predecessor |mainlabel=- |headers=hide |format=plain"
	local result = mw.smw.ask( query )
	if result ~= nil then
		--mw.logObject(result)
		result = result[1]['predecessor']
		--mw.logObject(result)
	end
	return result
end

return p

--DEBUG
--[[
frame = mw.getCurrentFrame() -- Get a frame object
newFrame = frame:newChild{ -- Get one with args
	title = 'LabObject:OSL02344d31ba6d4e49acc75772946f1ba1' ,
 args = { 
["page"] = "LabObject:OSL02344d31ba6d4e49acc75772946f1ba1",
["id"] = "O0001",
["custom_id"] = "220504-sist-0100-pi",
["count"] = 3,
label="Sample0",
use_as_label="custom_id",
custom_id_pattern="(%d+)-(%a+)-(%d+)-(%a+)",
custom_id_replace="%1-%2-%3-mi",
offset="",
    }
}
mw.log(p.object( newFrame ) ) 
--]]