Module:Mermaid

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

local p = {}

function p.wrap( s, length )
	s = mw.text.trim( s )
	local oldindex = 1
	local index = string.find( s, ' ' )
	while ( index ) do
		if ( index - oldindex >= length ) then
			local temp = string.sub( s, 1, index - 1 ) .. '<BR/>' .. string.sub( s, index + 1 )
			s = temp
			oldindex = index + 4
		end
		index = string.find( s, ' ', index + 1)
	end
	return s
end

function p.cleanseDisplayTitle( displaytitle, extra )
	local s = displaytitle
	s = string.gsub( s, '"', '' )
	s = string.gsub( s, '%[', '' )
	s = string.gsub( s, '%]', '' )
	s = string.gsub( s, '&', 'and' )
	s = p.wrap ( s, 15 )
	return s .. extra
end

function p.getNodes( category, depends_on_property, status_property,
	owner_property, project_property, column_property, tag_property )
	local nodes = {};
	local result = mw.smw.getQueryResult( '[[Category:' .. category .. ']]|?' ..
		depends_on_property .. '|?' .. status_property .. '|?' ..
		owner_property .. '|?' .. project_property .. '|?' .. column_property ..
		'|?' .. tag_property )
    if result ~= nil then
		for k1,v1 in pairs( result.results ) do
			nodes[v1.fulltext] = {}
			local extra = ''
			local owner = table.concat( v1.printouts[owner_property], ', ' )
			if ( #owner > 0 ) then
				extra = '<BR/>' .. owner
			end
			for k2,v2 in pairs ( v1.printouts[project_property] ) do
				if string.match( v2, '^MCR%-SDC' ) or
					string.match( v2, '^Multi%-Content%-Revisions' ) then
					extra = extra .. '<BR/>' .. v2 .. ' (' ..
						v1.printouts[column_property][1] .. ')'
					break;
				end
			end
			nodes[v1.fulltext].displaytitle =
				p.cleanseDisplayTitle( v1.displaytitle, extra )
			nodes[v1.fulltext].status = v1.printouts[status_property][1]
			nodes[v1.fulltext].dependencies = {} 
			for k2,v2 in pairs ( v1.printouts[depends_on_property] ) do
				nodes[v1.fulltext].dependencies[v2.fulltext] = true
			end
			nodes[v1.fulltext].projects = {}
			for k2,v2 in pairs ( v1.printouts[project_property] ) do
				nodes[v1.fulltext].projects[v2] = true
			end
			nodes[v1.fulltext].column = v1.printouts[column_property][1]
			nodes[v1.fulltext].tags = v1.printouts[tag_property]
		end
	end
   return nodes
end

function p.getPageName( title )
	return string.sub( title, string.find( title, ':' ) + 1 )
end

function p.contains( t, value )
	for k,v in pairs ( t ) do
		if v == value then
			return true
		end
	end
	return false
end

function p.drawGraph( category, depends_on_property, status_property,
	owner_property, project_property, column_property, tag_property )
	local nodes = p.getNodes( category, depends_on_property, status_property,
		owner_property, project_property, column_property, tag_property )
	local s = 'graph LR\n'

	for k1,v1 in pairs( nodes ) do
		local name = p.getPageName( k1 )
		if v1.projects['Epic'] or p.contains( v1.tags, 'Deployment' ) then
			s = s .. name .. '("' .. v1.displaytitle .. '")\n';
		else
			s = s .. name .. '["' .. v1.displaytitle .. '"]\n';
		end
		s = s .. 'click ' .. name .. ' "/' .. k1 .. '"\n'
		if p.contains( v1.tags, 'Deployment' ) then
			s = s .. 'class ' .. name .. ' mermaid-deployment\n'
		end
		if v1.projects['Epic'] then
			s = s .. 'class ' .. name .. ' mermaid-epic\n'
		elseif v1.column == 'In Progress' then
			s = s .. 'class ' .. name .. ' mermaid-in-progress\n'
		elseif v1.column == 'Blocked' then
			s = s .. 'class ' .. name .. ' mermaid-blocked\n'
		elseif v1.column == 'Blocked on Review' then
			s = s .. 'class ' .. name .. ' mermaid-blocked-on-review\n'
		elseif v1.column == 'Done' then
			s = s .. 'class ' .. name .. ' mermaid-done\n'
		else
			s = s .. 'class ' .. name .. ' mermaid-other\n'
		end
	end
	for k1,v1 in pairs( nodes ) do
		for k2, v2 in pairs ( v1.dependencies ) do
			s = s .. p.getPageName( k2 ) .. '==>' .. p.getPageName( k1 ) .. '\n'
		end
	end
	return s
end

function p.pert_chart(frame)
	local s = p.drawGraph( 'Phabricator Tasks', 'Subtask', 'Status', 'Owner', 'Project', 'MCR Column', 'Tag' )
	return '<div style="width:100%;text-align:center;font-size:20pt;font-weight:bold;">' ..
		frame:callParserFunction{ name = '#mermaid', args = { s } } .. '</div>'
end

return p