Module:Solar eclipse

local p = {} local args = {}

local data_module_prefix = "Module:Solar eclipse/db/" local infobox_image = nil -- lazy load

local function InfoboxImage(image) if (image and image ~= '') then if infobox_image == nil then infobox_image = require('Module:InfoboxImage').InfoboxImage end return infobox_image{args = { image = image, size = '320px', sizedefault = 'frameless', upright = 1 }}	end return nil end

local function ifnotempty(s,a,b) if (s and s ~= '') then return a	else return b	end end

local function ifexist(page) if not page then return false end if mw.title.new(page).exists then return true end return false end

local function parsedate(y,m,d) local lang = mw.language.getContentLanguage d = (tonumber(d) < 10) and ('0' .. tonumber(d)) or (d) m = (tonumber(m) < 10) and ('0' .. tonumber(m)) or (m) local success, result = pcall(lang.formatDate, lang, 'F j, Y', y .. '-' .. m .. '-' .. d)	return success and result or nil end

local function parsecoord(frame, s)	local lat = s:match('^%s*([%d][%d.]*)%s*[NS]%s*[%d][%d.]*[EW]%s*$') local NS = s:match('^%s*[%d][%d.]*%s*([NS])%s*[%d][%d.]*[EW]%s*$') local lon = s:match('^%s*[%d][%d.]*%s*[NS]%s*([%d][%d.]*)[EW]%s*$') local EW = s:match('^%s*[%d][%d.]*%s*[NS]%s*[%d][%d.]*([EW])%s*$') if( lat and NS and lon and EW ) then return frame:expandTemplate{ title = 'coord', args = {lat, NS, lon, EW, 'type:landmark'} } else return s	end end

local function parsekm(frame, s)	if(s and s:match('^%s*[%d][%d.]*%s*$')) then return frame:expandTemplate{ title = 'convert', args = {s, 'km', 'mi', abbr = 'on'} } else if(s and s ~= '') then return s .. ' km' else return nil end end end

local function parsetime(s) if(s and s ~= '') then local min = s:match('^%s*(%d+)m%s*%d+s%s*$') local sec = s:match('^%s*%d+m%s*(%d+)s%s*$') if( min and sec ) then return tostring(tonumber(min)*60 + tonumber(sec)) .. ' s' .. ' (' .. min .. ' min ' .. sec .. ' s)' end end return s end

local function cataloglink(c, y, m, d)	y, m, d = tonumber(y), tonumber(m), tonumber(d) if tonumber(c) and y and m and d then d = (d < 10) and ('0' .. d) or d m = (m < 10) and ('0' .. m) or m return '[https://eclipse.gsfc.nasa.gov/SEsearch/SEdata.php?Ecl=+' .. y .. m .. d .. ' ' .. c .. ']'	else return c	end end

local function loadsolardb(frame, s)	local yearstr = s:match('^%s*(%d%d%d%d)[A-Z][a-z][a-z]%d%d%s*$') or '' local function setarg(k, v)		if(v and v ~= '') then v = mw.ustring.gsub(v, '^%s*%-(%d)', '−%1') args[k] = v		end end if( yearstr ~= '' ) then local dbsubpage = math.floor( (tonumber(yearstr) - 1) / 50 ) * 5 local dbpage = data_module_prefix .. tostring( dbsubpage ) if (ifexist(dbpage)) then local data = mw.loadData(dbpage) local dargs = data[s] or error('Error: unknown date ' .. s .. ' in Infobox solar eclipse', 0) setarg('date', parsedate(dargs['y'], dargs['m'] or dargs['m3'] or dargs['m2'], dargs['d'] or dargs['d2'])) setarg('image', (dargs['Ph'] and dargs['Ph'] ~= ) and  or nil) setarg('caption', dargs['PhCap']) setarg('map', (dargs['Map'] and dargs['Map'] ~= ) and  or nil) setarg('map_caption', 'Map') setarg('type_ref', '') setarg('cat', cataloglink(dargs['Cat'], dargs['y'], dargs['m'] or dargs['m3'] or dargs['m2'], dargs['d'] or dargs['d2']) ) setarg('nature', dargs['Ty']) setarg('gamma', dargs['Gam']) setarg('magnitude', dargs['Mag']) setarg('saros', dargs['Saros'] and  .. dargs['Saros'] .. ) setarg('saros_sequence', dargs['Mem']) setarg('saros_total', dargs['Max']) setarg('max_eclipse_ref', '') setarg('duration', parsetime(dargs['Dur'])) setarg('location', '') setarg('coords', parsecoord(frame,dargs['Loc'])) setarg('max_width', parsekm(frame,dargs['Wid'])) setarg('times_ref', '') setarg('start_partial', dargs['TiPB']) setarg('start_total', dargs['TiTB']) setarg('start_central', '') setarg('greatest_eclipse', dargs['TiG']) setarg('end_central', '') setarg('end_total', dargs['TiTE']) setarg('end_partial', dargs['TiPE']) end end end

local function infobox(frame) local abovestr = ifnotempty(args['date'],		"Solar eclipse of " .. (args['date'] or ''),		"For instructions on use, see Template:Infobox Solar eclipse") local bgcolor = args['background'] or args['bgcolour'] or '' local mapstr = ifnotempty(args['map'],		" " ..		(InfoboxImage(args['map']) or '') .. ifnotempty(args['map_caption'], " " ..			(args['map_caption'] or '') .. " ", '') .. ' ')

return frame:expandTemplate{ title = 'infobox', args = { ["bodyclass"] = "vevent", ["bodystyle"] = "width:25em; text-align:left; font-size:88%;", ["above"] = abovestr, ["aboveclass"] = "summary", ["abovestyle"] = "padding-bottom:0.25em; background:" .. bgcolor .. "; line-height:1.2em; text-align:center; font-size:115%;", -- Images and maps -- ["image"] = InfoboxImage(args['image']), ["imagestyle"] = "padding-bottom:0.5em;", ["caption"] = args['caption'] or '', ["headerstyle"] = "background:#eee; font-size:105%;", ["data1"] = mapstr, - Type of eclipse and saros - ["header2"] = "Type of eclipse" .. (args['type_ref'] or ''), ["label3"] = "Nature", ["data3"]  = args['nature'] or '', ["label4"] = "Gamma", ["data4"]  = args['gamma'] or '', ["label5"] = "Magnitude", ["data5"]  = args['magnitude'] or '', -- Maximum eclipse -- ["header7"] = "Maximum eclipse" .. (args['max_eclipse_ref'] or ''), ["label8"] = "Duration", ["data8"] = args['duration'] or '', ["label9"] = "Location", ["data9"] = args['location'] or '', ["class9"] = "location", ["label10"] = "Coordinates", ["data10"] = args['coords'] or '', ["label11"] = "Max. width of band", ["data11"] = args['max_width'] or '', --- Times --- ["header12"] = "Times (UTC)" .. (args['times_ref'] or ''), ["label13"] = "(P1) Partial begin", ["data13"] = args['start_partial'] or '', ["label14"] = "(U1) Total begin", ["data14"] = args['start_total'] or '', ["label15"] = "(U2) Central begin", ["data15"] = args['start_central'] or '', ["label16"] = "Greatest eclipse", ["data16"] = args['greatest_eclipse'] or '', ["label17"] = "(U3) Central end", ["data17"] = args['end_central'] or '', ["label18"] = "(U4) Total end", ["data18"] = args['end_total'] or '', ["label19"] = "(P4) Partial end", ["data19"] = args['end_partial'] or '', Event references - ["header20"] = "References", ["label21"] = "Saros", ["data21"] = (args['saros'] or '') .. " (" .. (args['saros_sequence'] or ) .. " of " .. (args['saros_total'] or ) .. ")", ["label22"] = "Catalog # (SE5000)", ["data22"] = args['cat'] or '', } }

end

function p.box(frame) args = require('Module:Arguments').getArgs(frame, {			wrappers = 'Template:Infobox solar eclipse'		})

if( args['2'] and args['2'] ~= '') then loadsolardb(frame,args['2']) elseif( args['1'] and args['1'] ~= '') then loadsolardb(frame,args['1']) end

return infobox(frame) end

return p