Determine Pitchers ERA - AppleScript

fantasyERA.scpt

-- User input 1
display dialog "Enter the runs scored:" default answer ""
set runsScored to the text returned of the result
set fullGameRuns to runsScored * 9

-- User input 2
display dialog "Enter the lenth the picher has pitched (in decimal):" default answer ""
set inning to the text returned of the result

-- Determine if decimal, covert properly
set inningMod to inning mod 1
if inningMod is equal to 0 then
	set inning1 to inning
	set inningDec to (inning1) as string
else
	set split to theSplit(inning, ".")
	set inning1 to item 1 of split as integer
	set inning2 to item 2 of split as integer
	
	if inning2 is 1 then
		set in2 to "333333333333"
	else if inning2 is 2 then
		set in2 to "666666666666"
	else if inning2 is 0 or "" then
		set in2 to inning2
	end if
	
	set inningDec to (inning1 & "." & in2) as string
end if

-- ERA equation
set era to fullGameRuns / inningDec


-- Output
display dialog round_truncate(era, 2)


-- Libraries

on theSplit(theString, theDelimiter)
	-- save delimiters to restore old settings
	set oldDelimiters to AppleScript's text item delimiters
	-- set delimiters to delimiter to be used
	set AppleScript's text item delimiters to theDelimiter
	-- create the array
	set theArray to every text item of theString
	-- restore the old setting
	set AppleScript's text item delimiters to oldDelimiters
	-- return the result
	return theArray
end theSplit

on round_truncate(this_number, decimal_places)
	if decimal_places is 0 then
		set this_number to this_number + 0.5
		return number_to_text(this_number div 1)
	end if
	
	set the rounding_value to "5"
	repeat decimal_places times
		set the rounding_value to "0" & the rounding_value
	end repeat
	set the rounding_value to ("." & the rounding_value) as number
	
	set this_number to this_number + rounding_value
	9
	set the mod_value to "1"
	repeat decimal_places - 1 times
		set the mod_value to "0" & the mod_value
	end repeat
	set the mod_value to ("." & the mod_value) as number
	
	set second_part to (this_number mod 1) div the mod_value
	if the length of (the second_part as text) is less than the decimal_places then
		repeat decimal_places - (the length of (the second_part as text)) times
			set second_part to ("0" & second_part) as string
		end repeat
	end if
	
	set first_part to this_number div 1
	set first_part to number_to_text(first_part)
	set this_number to (first_part & "." & second_part)
	
	return this_number
end round_truncate

on number_to_text(this_number)
	set this_number to this_number as string
	if this_number contains "E+" then
		set x to the offset of "." in this_number
		set y to the offset of "+" in this_number
		set z to the offset of "E" in this_number
		set the decimal_adjust to characters (y - (length of this_number)) thru ¬
			-1 of this_number as string as number
		if x is not 0 then
			set the first_part to characters 1 thru (x - 1) of this_number as string
		else
			set the first_part to ""
		end if
		set the second_part to characters (x + 1) thru (z - 1) of this_number as string
		set the converted_number to the first_part
		repeat with i from 1 to the decimal_adjust
			try
				set the converted_number to ¬
					the converted_number & character i of the second_part
			on error
				set the converted_number to the converted_number & "0"
			end try
		end repeat
		return the converted_number
	else
		return this_number
	end if
end number_to_text