Module:NepaliDateConverter
Implements {{NepaliDateConverter}}
local p = {}; --All lua modules on Wikipedia must begin by defining a variable
--that will hold their externally accessible functions.
--Such variables can have whatever name you want and may
--also contain various data as well as functions.
p.hello = function( frame ) --Add a function to "p".
--Such functions are callable in Wikipedia
--via the #invoke command.
--"frame" will contain the data that Wikipedia
--sends this function when it runs.
-- 'Hello' is a name of your choice. The same name needs to be referred to when the module is used.
local str = "Hello Nirmal!" --Declare a local variable and set it equal to
--"Hello World!".
return str --This tells us to quit this function and send the information in
--"str" back to Wikipedia.
end -- end of the function "hello"
function p.hello_to(frame) -- Add another function
local name = frame.args[1] -- To access arguments passed to a module, use `frame.args`
-- `frame.args[1]` refers to the first unnamed parameter
-- given to the module
return "Hello, " .. name .. "!" -- `..` concatenates strings. This will return a customized
-- greeting depending on the name given, such as "Hello, Fred!"
end
function p.count_fruit(frame)
local num_bananas = frame.args.bananas -- Named arguments ({{#invoke:Example|count_fruit|foo=bar}}) are likewise
local num_apples = frame.args.apples -- accessed by indexing `frame.args` by name (`frame.args["bananas"]`, or)
-- equivalently `frame.args.bananas`.
return 'I have ' .. num_bananas .. ' bananas and ' .. num_apples .. ' apples'
-- Like above, concatenate a bunch of strings together to produce
-- a sentence based on the arguments given.
end
--This function converts nepali date to english date
-- The input should be either one of following format
-- See MOS for date format
--{{#invoke:moduleForNepaliDateConverter|returnEnglishDate|nepaiYear=1984|nepaliMonth=6|nepaliDay=21}}-->Retruns full date
--{{#invoke:moduleForNepaliDateConverter|returnEnglishDate|nepaiYear=1984}}-->Retruns years e.g. 2007-2008
function p.returnEnglishDate(frame)
local n_year = tonumber(frame.args.nepaliYear)
local n_month = tonumber(frame.args.nepaliMonth)
local n_day = tonumber(frame.args.nepaliDay)
--define variables to hold converted date
local e_year
local e_month
local e_day
-- when nepali day or month is missing, retrun the year only
-- or when date is out of range(2000-2089 BS), return year only
local e_year1
local e_year2
if (n_month== nil or n_day==nil or n_year < 2000 or n_year > 2089) then
e_year1=n_year-57
e_year2=n_year-56
e_year=n_year .. ' [[Bikram Sambat|BS]] ('..e_year1 .. '-' .. e_year2 .. ')'
return e_year
end
-- when both month and day is given, and year is in range and return compelte date
--- calculate
local bs={} --declear array to hold bikram sambat calendar and fill the array
bs[0]={2000, 30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31}
bs[1]={2001, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[2]={2002, 31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[3]={2003, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[4]={2004, 30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31}
bs[5]={2005, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[6]={2006, 31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[7]={2007, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[8]={2008, 31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 29, 31}
bs[9]={2009, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[10]={2010, 31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[11]={2011, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[12]={2012, 31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 30, 30}
bs[13]={2013, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[14]={2014, 31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[15]={2015, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[16]={2016, 31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 30, 30}
bs[17]={2017, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[18]={2018, 31, 32, 31, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[19]={2019, 31, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31}
bs[20]={2020, 31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30}
bs[21]={2021, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[22]={2022, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 30}
bs[23]={2023, 31, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31}
bs[24]={2024, 31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30}
bs[25]={2025, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[26]={2026, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[27]={2027, 30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31}
bs[28]={2028, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[29]={2029, 31, 31, 32, 31, 32, 30, 30, 29, 30, 29, 30, 30}
bs[30]={2030, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[31]={2031, 30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31}
bs[32]={2032, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[33]={2033, 31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[34]={2034, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[35]={2035, 30, 32, 31, 32, 31, 31, 29, 30, 30, 29, 29, 31}
bs[36]={2036, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[37]={2037, 31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[38]={2038, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[39]={2039, 31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 30, 30}
bs[40]={2040, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[41]={2041, 31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[42]={2042, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[43]={2043, 31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 30, 30}
bs[44]={2044, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[45]={2045, 31, 32, 31, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[46]={2046, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[47]={2047, 31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30}
bs[48]={2048, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[49]={2049, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 30}
bs[50]={2050, 31, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31}
bs[51]={2051, 31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30}
bs[52]={2052, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[53]={2053, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 30}
bs[54]={2054, 31, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31}
bs[55]={2055, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[56]={2056, 31, 31, 32, 31, 32, 30, 30, 29, 30, 29, 30, 30}
bs[57]={2057, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[58]={2058, 30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31}
bs[59]={2059, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[60]={2060, 31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[61]={2061, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[62]={2062, 30, 32, 31, 32, 31, 31, 29, 30, 29, 30, 29, 31}
bs[63]={2063, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[64]={2064, 31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[65]={2065, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[66]={2066, 31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 29, 31}
bs[67]={2067, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[68]={2068, 31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[69]={2069, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[70]={2070, 31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 30, 30}
bs[71]={2071, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[72]={2072, 31, 32, 31, 32, 31, 30, 30, 29, 30, 29, 30, 30}
bs[73]={2073, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31}
bs[74]={2074, 31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30}
bs[75]={2075, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[76]={2076, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 30}
bs[77]={2077, 31, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31}
bs[78]={2078, 31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30}
bs[79]={2079, 31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30}
bs[80]={2080, 31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 30}
bs[81]={2081, 31, 31, 32, 32, 31, 30, 30, 30, 29, 30, 30, 30}
bs[82]={2082, 30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 30, 30}
bs[83]={2083, 31, 31, 32, 31, 31, 30, 30, 30, 29, 30, 30, 30}
bs[84]={2084, 31, 31, 32, 31, 31, 30, 30, 30, 29, 30, 30, 30}
bs[85]={2085, 31, 32, 31, 32, 30, 31, 30, 30, 29, 30, 30, 30}
bs[86]={2086, 30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 30, 30}
bs[87]={2087, 31, 31, 32, 31, 31, 31, 30, 30, 29, 30, 30, 30}
bs[88]={2088, 30, 31, 32, 32, 30, 31, 30, 30, 29, 30, 30, 30}
bs[89]={2089, 30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 30, 30}
bs[90]={2090, 30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 30, 30}
return bs[0][2]
--return "date is ok. It is in range."
end
function p.nep_to_eng(yy, mm, dd)
local a
local day
local m
local y
local i
local j
local k
local numDay
local month
local lmonth
local def_eyy = 1943
local def_emm = 4
local def_edd = 14 - 1 -- english dates
local def_nyy = 2000
local def_nmm = 1
local def_ndd = 1 -- equivalent nepali dates
-- initializate
local total_eDays = 0
local total_nDays = 0
local a = 0
local day = 4 - 1
local m = 0
local y = 0
local i = 0
local k = 0
local numDay = 0
month = Array(0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)
lmonth = Array(0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31) --leap year
--count total days in-terms of years
for i = 0, yy - def_nyy - 1 do
for j = 1, 12 do
total_nDays = total_nDays + bs(k)(j)
end
k = k + 1
end
-- count total days in-terms of months
for j = 1, mm - 1 do
total_nDays = total_nDays + bs[k][j]
end
--count total days in-terms of days
total_nDays = total_nDays + dd
--calculation of equivalent english date--
total_eDays = def_edd
m = def_emm
y = def_eyy
while (total_nDays ~= 0)
do
if (is_leap_year(y)) then
a = lmonth(m)
else
a = month(m)
end
total_eDays = total_eDays + 1
day = day + 1
if (total_eDays > a) then
m = m + 1
total_eDays = 1
if (m > 12) then
y = y + 1
m = 1
end
end
if (day > 7) then
day = 1
end
total_nDays = total_nDays - 1
end
numDay = day
returnVal=y..m..day
return returnVal
end
return p --All modules end by returning the variable containing their functions to Wikipedia.
-- Now we can use this module by calling {{#invoke: Example | hello }},
-- {{#invoke: Example | hello_to | foo }}, or {{#invoke:Example|count_fruit|bananas=5|apples=6}}
-- Note that the first part of the invoke is the name of the Module's wikipage,
-- and the second part is the name of one of the functions attached to the
-- variable that you returned.
-- The "print" function is not allowed in Wikipedia. All output is accomplished
-- via strings "returned" to Wikipedia.