itst/Pinboard.scpt

## Pinboard.scpt
(*	Import and update your Pinboard bookmarks to DEVONthink

	Based on work done by Christian Grunenberg on Mon Jan 23 2006,
	Rafael Bugajewski to support Pinboard instead of Delicious on Sun Dec 19 2010 and
	Andreas Zeitler on Sun Mar 03 2011 to display user feedback when finished.

	By Sascha A. Carlin <https://sascha.carlin.de/> on 2018-03-07 to set the creation date of new record, show progress bar, use Pinboard Auth Token, use modification date of folder to fetch only recent items
	Copyright (c) 2018. All rights reserved. *)

use framework "Foundation"
use scripting additions

-- Set this to the file path of the DT database you want your Pinboard bookmarks in. Would usually look like ~/Documents/Database.dtBase2
property dtDatabase : ""
-- We use your Pinboard Auth Token. See https://pinboard.in/settings/password
property pAuthToken : ""
-- We support different import strategies. See below for details.
property importStrategy : "decluttered"
-- 1…3. The higher, the more we send to DTs log
property logVerbosity : 1
-- If true, sends all log info to AppleScript's logging system
property scriptDebugging : false

on run argv
	-- Assume we should display dialogs
	set silentMode to false

	-- Check for command line argument silent. If present, omit all dialogs
	try
		if (item 1 of argv is "silent") then
			set silentMode to true
		end if
	end try

	my logMessage("silentMode", silentMode, 3)

	-- Extract username from Auth token, we'll display it in the progress bar
	set _words to words of pAuthToken
	set pUser to item 1 of _words

	-- We create the group in case it does not exist in the database
	-- We check whether to import all bookmarks from Pinboard or just the ones younger than a certain date
	set theUTCDateTime to ""
	set logUpdateFrom to ""
	set theGroupComment to ""
	tell application id "DNtp"
		set theDatabase to open database dtDatabase
		set theGroup to get record at "/Pinboard" in theDatabase
		if (theGroup is missing value or type of theGroup is not group) then
			-- If the group does not exist, we'l pull all bookmarks from Pinboard
			set theGroup to create location "/Pinboard" in theDatabase
			set thumbnail of theGroup to "https://imgur.com/download/UfP65so" -- PNG of a macOS folder with embosses Pinboard pin. Created using Lucas Garron's Folderify: https://github.com/lgarron/folderify
			set logUpdateFrom to "Group not found or has no comment, assuming we need to start from scratch!"
		else
			set theGroupComment to theGroup's comment as text
			if theGroupComment is not "" then
				-- We use the group's comment to store the datetime of the last Pinboard post to be imported.
				-- Create date string as per RFC 3339 for Pinboards API
				try
					tell application "System Events" to set theDate to (my dateFromRfc3339String:theGroupComment) as date
					set theUTCDateTime to (my rfc3339FromDate:theDate)
					set logUpdateFrom to "Group has comment, we start from " & theUTCDateTime
				on error error_message number error_number
					my logMessage(error_message, error_number, 4)
					set theUTCDateTime to ""
				end try
			else
				set logUpdateFrom to "Group has no comment, assuming we need to start from scratch!"
			end if
		end if
	end tell
	logMessage("Import strategy:", importStrategy, 1)
	logMessage("Update strategy:", logUpdateFrom, 1)
	logMessage("Import posts created on or after:", theUTCDateTime, 1)

	-- Set up the request parameters for Pinboard, telling it to deliver all or only entries younger than theUTCDateTime
	if (theUTCDateTime is not "") then
		set thePinboardURL to "https://api.pinboard.in/v1/posts/all?auth_token=" & pAuthToken & "&fromdt=" & theUTCDateTime
	else
		-- Debug Switch: Be nice to Pinboard and use recent while debugging.
		if scriptDebugging then
			set thePinboardURL to "https://api.pinboard.in/v1/posts/recent?auth_token=" & pAuthToken
		else
			set thePinboardURL to "https://api.pinboard.in/v1/posts/all?auth_token=" & pAuthToken
		end if
	end if
	logMessage("thePinboardURL:", thePinboardURL, 2)

	-- Get the data and process the entries
	tell application id "DNtp"
		try
			set theXML to download markup from thePinboardURL encoding "UTF-8"

			if (theXML is missing value or theXML is "") then
				error "Download failed."
			else if theXML contains "503 Service Temporarily Unavailable" then
				error "503 Service Temporarily Unavailable"
				logMessage("theXML:", theXML, 3)
			else

				tell application "System Events"
					set x to make new XML data with data theXML
					set theElements to XML elements of (XML element 1 of x) -- <posts>
				end tell
				set theElementCount to length of theElements
				my logMessage("Elements to process from XML:", theElementCount as string, 1)

				if (theElementCount < 1) then
					error "Pinboard says it found no new bookmarks."
				end if

				try
					tell application id "DNtp"
						show progress indicator "Importing " & theElementCount & " bookmarks from Pinboard (" & pUser & ") …" steps (theElementCount) with cancel button
					end tell

					set importedPosts to 0

					-- Import loop
					repeat with theSteps from theElementCount to 1 by -1

						-- Get URL first. We check whether it's unique.
						tell application "System Events"
							set theElement to item theSteps of theElements
							set theUrl to (value of XML attribute named "href" of theElement) as string
						end tell

						tell application id "DNtp"
							if not (exists record with URL theUrl) then
								-- URL is unique, let's go!

								-- Show what we're working on
								step progress indicator theUrl
								my logMessage(theUrl, "…", 3)

								-- Extract data from XML
								tell application "System Events"
									set theName to (value of XML attribute named "description" of theElement) as string
									set theTag to (value of XML attribute named "tag" of theElement) as string
									set theComment to (value of XML attribute named "extended" of theElement) as string
									set theDate to (value of XML attribute named "time" of theElement) as string
								end tell

								tell application "System Events"
									-- Get pathExtension and convert to lowercase. We'll use it to handle binary files.
									-- URLs containing UTF characters seem to cause NSURL to barf :-(
									set theExtension to ""
									try
										set _url to (current application's |NSURL|'s URLWithString:theUrl)
										set theExtension to _url's pathExtension as string
										tell me to set the theExtension to do shell script "echo " & quoted form of (theExtension) & " | tr A-Z a-z"
									end try

									set {od, AppleScript's text item delimiters} to {AppleScript's text item delimiters, " "}
									set theTags to {}
									try
										set theTags to (text items of theTag)
									end try
									set AppleScript's text item delimiters to od
								end tell

								try
									-- Judging by theExtension, some files should be processed as they come.
									-- We differentiate between "doucment" and binary formats.
									if (theExtension is in {"pdf", "jpg", "jpeg", "png", "zip", "rtf", "csv", "dmg", "doc", "docx", "ppt", "pptx", "xls", "xlsx", "key", "pages", "key", "numbers"}) then
										set theRecord to create web document from theUrl in theGroup
									else if (theExtension is in {"zip", "dmg", "exe", "tar", "gz"}) then
										set theRecord to create record with {type:bookmark, rich text:theComment} in theGroup
									else

										(* 	Choose an IMPORT STRATEGY.
											See also DEVONthink's blog: http://blog.devontechnologies.com/2010/05/tuesday-tip-capturing-web-content/ *)

										if (importStrategy is "create web document") then
											(*	Slow. As good as opening the URL in your favorite browser, includes all media & scripts.
												Great web-like format, until Apple breaks backwards compatability. *)
											-- set theRecord to create web document from "http://instapaper.com/text?u=" & (my encodeText:theUrl) in theGroup
											set theRecord to create web document from theUrl in theGroup

										else if (importStrategy is "create PDF document") then
											(* 	Slow. PDF version of the site's print layout.
												PDFs preserve most of the original style, most links can still be used.
												Probably the best for serious archiving.
												Todo: How does DEVONthink determine page width? *)
											set theRecord to create PDF document from theUrl in theGroup with pagination

										else if (importStrategy is "create formatted note") then
											(*	Slow. If your really can do without the original formatting and remote images.
												Really, I don't see the point. Can as well use Markdown and save some execution time. *)
											set theRecord to create formatted note from theUrl in theGroup

										else if (importStrategy is "decluttered") then
											(* 	Great for properly marked up HTML. Pretty bad for everthing else.
										 		Want to use the same declutter functionality as in the DEVONthink Web Clipper?
												Uses an external service! *)

											-- Alternativly you can use Instapaper.
											-- See the comment above at "create web document from"
											set theMarkDownUrl to "http://heckyesmarkdown.com/go/?read=1&md=1&u=" & (my encodeText:theUrl)
											set theContent to download markup from theMarkDownUrl

											-- If the Markdown content seems to be too short, grab a PDF instead.
											if (length of theContent < 400) then
												set theRecord to create PDF document from theUrl in theGroup with pagination
											else
												set theRecord to create record with {type:markdown, content:theContent} in theGroup
											end if

										else if (importStrategy is "create Markdown") then
											(*	Rather not use an external service? *)
											set theRecord to create Markdown from theUrl in theGroup

										else if (importStrategy is "create record") then
											(* 	Fastest method. Doesn't store anything local.
												If you do not need any content but just the URLs, then choose this. *)
											set theRecord to create record with {type:bookmark, rich text:theComment} in theGroup
										end if

									end if

									-- Populate the record's fields with your Pinboard data
									set the name of theRecord to theName
									set the tags of theRecord to theTags
									set the URL of theRecord to theUrl
									set the comment of theRecord to theComment
									-- Properly format theDate! For some functions, DEVONthink need an AppleScript date type as theDate
									set the date of theRecord to (my dateFromRfc3339String:theDate)

									-- Store the datetime of the last successfully imported post as a comment of the group. We'll use it to determine from which date onwards to ask for new posts the next time the script runs.
									-- Doing so on every post ensures that we'll never miss a post in case the import process breaks.
									try
										set theGroup's comment to theDate
										set importedPosts to importedPosts + 1
									end try
								on error error_message number error_number
									-- Something went wrong.
									my logMessage(theUrl, error_message, 0)
								end try
							else
								my logMessage(theUrl, "Skipped as duplicate", 3)
							end if

							-- I like percentages in my logs.
							set thePercentage to theSteps / theElementCount
							set thePercentage to round thePercentage * 100 rounding down

							my logMessage(theUrl, (thePercentage as string) & "% of " & theElementCount, 4) -- I am lazy. Log level 4 is a magic number. When you set scriptDebugging to true, this info will be logged to AppleScript's log but will never show up in DT.
							if cancelled progress then exit repeat
						end tell
					end repeat

				on error error_message number error_number
					hide progress indicator
					if silentMode is false then
						display alert "Pinboard importer" message error_message as warning
					else
						my logMessage(error_number, error_message, 0)
					end if
				end try
			end if

			-- When done, play a sound
			hide progress indicator
			tell application "Finder"
				if exists POSIX file "/System/Library/Sounds/Glass.aiff" then
					do shell script "afplay /System/Library/Sounds/Glass.aiff"
				end if
			end tell
			if silentMode is false then
				display alert "Done importing." & return & return & "Processed bookmarks: " & theElementCount & return & "Skipped:" & (theElementCount - importedPosts) & return & "Imported: " & importedPosts
			end if
		on error error_message number error_number
			hide progress indicator
			if silentMode is false and the error_number is not -128 then display alert "Pinboard importer" message error_message as warning
			my logMessage(error_number, error_message, 4)
		end try
	end tell
end run

-- Stolen from Mark Aldritt: http://forum.latenightsw.com/t/formatting-dates/841
on rfc3339FromDate:aDate
	set theFormatter to current application's NSDateFormatter's new()
	theFormatter's setLocale:(current application's NSLocale's localeWithLocaleIdentifier:"en_US_POSIX")
	theFormatter's setTimeZone:(current application's NSTimeZone's timeZoneWithAbbreviation:"GMT") -- skip for local time
	theFormatter's setDateFormat:"yyyy'-'MM'-'dd'T'HH':'mm':'ssXXX"
	return (theFormatter's stringFromDate:aDate) as text
end rfc3339FromDate:

-- Stolen from Mark Aldritt: http://forum.latenightsw.com/t/formatting-dates/841
on dateFromRfc3339String:theString
	set theFormatter to current application's NSDateFormatter's new()
	theFormatter's setLocale:(current application's NSLocale's localeWithLocaleIdentifier:"en_US_POSIX")
	theFormatter's setTimeZone:(current application's NSTimeZone's timeZoneWithAbbreviation:"GMT") -- skip for local time
	theFormatter's setDateFormat:"yyyy'-'MM'-'dd'T'HH':'mm':'ssXXX"
	return (theFormatter's dateFromString:theString) as date
end dateFromRfc3339String:

-- Stolen from Apple: https://developer.apple.com/library/content/documentation/LanguagesUtilities/Conceptual/MacAutomationScriptingGuide/EncodeandDecodeText.html
on encodeText:theText
	set theString to stringWithString_(theText) of NSString of current application
	set theEncoding to NSUTF8StringEncoding of current application
	set theAdjustedString to stringByAddingPercentEscapesUsingEncoding_(theEncoding) of theString
	return (theAdjustedString as string)
end encodeText:

on logMessage(logResource, logInfo, logLevel)
	if ((logLevel ≥ logVerbosity) and (logLevel < 4)) then
		tell application id "DNtp"
			log message logResource info (logInfo as String)
		end tell
	end if
	if (scriptDebugging) then
		log logInfo & ": " & logResource
	end if
end logMessage
	(* Import and update your Pinboard bookmarks to DEVONthink

	Based on work done by Christian Grunenberg on Mon Jan 23 2006,
	Rafael Bugajewski to support Pinboard instead of Delicious on Sun Dec 19 2010 and
	Andreas Zeitler on Sun Mar 03 2011 to display user feedback when finished.

	By Sascha A. Carlin <https://sascha.carlin.de/> on 2018-03-07 to set the creation date of new record, show progress bar, use Pinboard Auth Token, use modification date of folder to fetch only recent items
	Copyright (c) 2018. All rights reserved. *)

	use framework "Foundation"
	use scripting additions

	-- Set this to the file path of the DT database you want your Pinboard bookmarks in. Would usually look like ~/Documents/Database.dtBase2
	property dtDatabase : ""
	-- We use your Pinboard Auth Token. See https://pinboard.in/settings/password
	property pAuthToken : ""
	-- We support different import strategies. See below for details.
	property importStrategy : "decluttered"
	-- 1…3. The higher, the more we send to DTs log
	property logVerbosity : 1
	-- If true, sends all log info to AppleScript's logging system
	property scriptDebugging : false

	on run argv
	-- Assume we should display dialogs
	set silentMode to false

	-- Check for command line argument silent. If present, omit all dialogs
	try
	if (item 1 of argv is "silent") then
	set silentMode to true
	end if
	end try

	my logMessage("silentMode", silentMode, 3)

	-- Extract username from Auth token, we'll display it in the progress bar
	set _words to words of pAuthToken
	set pUser to item 1 of _words

	-- We create the group in case it does not exist in the database
	-- We check whether to import all bookmarks from Pinboard or just the ones younger than a certain date
	set theUTCDateTime to ""
	set logUpdateFrom to ""
	set theGroupComment to ""
	tell application id "DNtp"
	set theDatabase to open database dtDatabase
	set theGroup to get record at "/Pinboard" in theDatabase
	if (theGroup is missing value or type of theGroup is not group) then
	-- If the group does not exist, we'l pull all bookmarks from Pinboard
	set theGroup to create location "/Pinboard" in theDatabase
	set thumbnail of theGroup to "https://imgur.com/download/UfP65so" -- PNG of a macOS folder with embosses Pinboard pin. Created using Lucas Garron's Folderify: https://github.com/lgarron/folderify
	set logUpdateFrom to "Group not found or has no comment, assuming we need to start from scratch!"
	else
	set theGroupComment to theGroup's comment as text
	if theGroupComment is not "" then
	-- We use the group's comment to store the datetime of the last Pinboard post to be imported.
	-- Create date string as per RFC 3339 for Pinboards API
	try
	tell application "System Events" to set theDate to (my dateFromRfc3339String:theGroupComment) as date
	set theUTCDateTime to (my rfc3339FromDate:theDate)
	set logUpdateFrom to "Group has comment, we start from " & theUTCDateTime
	on error error_message number error_number
	my logMessage(error_message, error_number, 4)
	set theUTCDateTime to ""
	end try
	else
	set logUpdateFrom to "Group has no comment, assuming we need to start from scratch!"
	end if
	end if
	end tell
	logMessage("Import strategy:", importStrategy, 1)
	logMessage("Update strategy:", logUpdateFrom, 1)
	logMessage("Import posts created on or after:", theUTCDateTime, 1)

	-- Set up the request parameters for Pinboard, telling it to deliver all or only entries younger than theUTCDateTime
	if (theUTCDateTime is not "") then
	set thePinboardURL to "https://api.pinboard.in/v1/posts/all?auth_token=" & pAuthToken & "&fromdt=" & theUTCDateTime
	else
	-- Debug Switch: Be nice to Pinboard and use recent while debugging.
	if scriptDebugging then
	set thePinboardURL to "https://api.pinboard.in/v1/posts/recent?auth_token=" & pAuthToken
	else
	set thePinboardURL to "https://api.pinboard.in/v1/posts/all?auth_token=" & pAuthToken
	end if
	end if
	logMessage("thePinboardURL:", thePinboardURL, 2)

	-- Get the data and process the entries
	tell application id "DNtp"
	try
	set theXML to download markup from thePinboardURL encoding "UTF-8"

	if (theXML is missing value or theXML is "") then
	error "Download failed."
	else if theXML contains "503 Service Temporarily Unavailable" then
	error "503 Service Temporarily Unavailable"
	logMessage("theXML:", theXML, 3)
	else

	tell application "System Events"
	set x to make new XML data with data theXML
	set theElements to XML elements of (XML element 1 of x) -- <posts>
	end tell
	set theElementCount to length of theElements
	my logMessage("Elements to process from XML:", theElementCount as string, 1)

	if (theElementCount < 1) then
	error "Pinboard says it found no new bookmarks."
	end if

	try
	tell application id "DNtp"
	show progress indicator "Importing " & theElementCount & " bookmarks from Pinboard (" & pUser & ") …" steps (theElementCount) with cancel button
	end tell

	set importedPosts to 0

	-- Import loop
	repeat with theSteps from theElementCount to 1 by -1

	-- Get URL first. We check whether it's unique.
	tell application "System Events"
	set theElement to item theSteps of theElements
	set theUrl to (value of XML attribute named "href" of theElement) as string
	end tell

	tell application id "DNtp"
	if not (exists record with URL theUrl) then
	-- URL is unique, let's go!

	-- Show what we're working on
	step progress indicator theUrl
	my logMessage(theUrl, "…", 3)

	-- Extract data from XML
	tell application "System Events"
	set theName to (value of XML attribute named "description" of theElement) as string
	set theTag to (value of XML attribute named "tag" of theElement) as string
	set theComment to (value of XML attribute named "extended" of theElement) as string
	set theDate to (value of XML attribute named "time" of theElement) as string
	end tell

	tell application "System Events"
	-- Get pathExtension and convert to lowercase. We'll use it to handle binary files.
	-- URLs containing UTF characters seem to cause NSURL to barf :-(
	set theExtension to ""
	try
	set _url to (current application's \|NSURL\|'s URLWithString:theUrl)
	set theExtension to _url's pathExtension as string
	tell me to set the theExtension to do shell script "echo " & quoted form of (theExtension) & " \| tr A-Z a-z"
	end try

	set {od, AppleScript's text item delimiters} to {AppleScript's text item delimiters, " "}
	set theTags to {}
	try
	set theTags to (text items of theTag)
	end try
	set AppleScript's text item delimiters to od
	end tell

	try
	-- Judging by theExtension, some files should be processed as they come.
	-- We differentiate between "doucment" and binary formats.
	if (theExtension is in {"pdf", "jpg", "jpeg", "png", "zip", "rtf", "csv", "dmg", "doc", "docx", "ppt", "pptx", "xls", "xlsx", "key", "pages", "key", "numbers"}) then
	set theRecord to create web document from theUrl in theGroup
	else if (theExtension is in {"zip", "dmg", "exe", "tar", "gz"}) then
	set theRecord to create record with {type:bookmark, rich text:theComment} in theGroup
	else

	(* Choose an IMPORT STRATEGY.
	See also DEVONthink's blog: http://blog.devontechnologies.com/2010/05/tuesday-tip-capturing-web-content/ *)

	if (importStrategy is "create web document") then
	(* Slow. As good as opening the URL in your favorite browser, includes all media & scripts.
	Great web-like format, until Apple breaks backwards compatability. *)
	-- set theRecord to create web document from "http://instapaper.com/text?u=" & (my encodeText:theUrl) in theGroup
	set theRecord to create web document from theUrl in theGroup

	else if (importStrategy is "create PDF document") then
	(* Slow. PDF version of the site's print layout.
	PDFs preserve most of the original style, most links can still be used.
	Probably the best for serious archiving.
	Todo: How does DEVONthink determine page width? *)
	set theRecord to create PDF document from theUrl in theGroup with pagination

	else if (importStrategy is "create formatted note") then
	(* Slow. If your really can do without the original formatting and remote images.
	Really, I don't see the point. Can as well use Markdown and save some execution time. *)
	set theRecord to create formatted note from theUrl in theGroup

	else if (importStrategy is "decluttered") then
	(* Great for properly marked up HTML. Pretty bad for everthing else.
	Want to use the same declutter functionality as in the DEVONthink Web Clipper?
	Uses an external service! *)

	-- Alternativly you can use Instapaper.
	-- See the comment above at "create web document from"
	set theMarkDownUrl to "http://heckyesmarkdown.com/go/?read=1&md=1&u=" & (my encodeText:theUrl)
	set theContent to download markup from theMarkDownUrl

	-- If the Markdown content seems to be too short, grab a PDF instead.
	if (length of theContent < 400) then
	set theRecord to create PDF document from theUrl in theGroup with pagination
	else
	set theRecord to create record with {type:markdown, content:theContent} in theGroup
	end if

	else if (importStrategy is "create Markdown") then
	(* Rather not use an external service? *)
	set theRecord to create Markdown from theUrl in theGroup

	else if (importStrategy is "create record") then
	(* Fastest method. Doesn't store anything local.
	If you do not need any content but just the URLs, then choose this. *)
	set theRecord to create record with {type:bookmark, rich text:theComment} in theGroup
	end if

	end if

	-- Populate the record's fields with your Pinboard data
	set the name of theRecord to theName
	set the tags of theRecord to theTags
	set the URL of theRecord to theUrl
	set the comment of theRecord to theComment
	-- Properly format theDate! For some functions, DEVONthink need an AppleScript date type as theDate
	set the date of theRecord to (my dateFromRfc3339String:theDate)

	-- Store the datetime of the last successfully imported post as a comment of the group. We'll use it to determine from which date onwards to ask for new posts the next time the script runs.
	-- Doing so on every post ensures that we'll never miss a post in case the import process breaks.
	try
	set theGroup's comment to theDate
	set importedPosts to importedPosts + 1
	end try
	on error error_message number error_number
	-- Something went wrong.
	my logMessage(theUrl, error_message, 0)
	end try
	else
	my logMessage(theUrl, "Skipped as duplicate", 3)
	end if

	-- I like percentages in my logs.
	set thePercentage to theSteps / theElementCount
	set thePercentage to round thePercentage * 100 rounding down

	my logMessage(theUrl, (thePercentage as string) & "% of " & theElementCount, 4) -- I am lazy. Log level 4 is a magic number. When you set scriptDebugging to true, this info will be logged to AppleScript's log but will never show up in DT.
	if cancelled progress then exit repeat
	end tell
	end repeat

	on error error_message number error_number
	hide progress indicator
	if silentMode is false then
	display alert "Pinboard importer" message error_message as warning
	else
	my logMessage(error_number, error_message, 0)
	end if
	end try
	end if

	-- When done, play a sound
	hide progress indicator
	tell application "Finder"
	if exists POSIX file "/System/Library/Sounds/Glass.aiff" then
	do shell script "afplay /System/Library/Sounds/Glass.aiff"
	end if
	end tell
	if silentMode is false then
	display alert "Done importing." & return & return & "Processed bookmarks: " & theElementCount & return & "Skipped:" & (theElementCount - importedPosts) & return & "Imported: " & importedPosts
	end if
	on error error_message number error_number
	hide progress indicator
	if silentMode is false and the error_number is not -128 then display alert "Pinboard importer" message error_message as warning
	my logMessage(error_number, error_message, 4)
	end try
	end tell
	end run

	-- Stolen from Mark Aldritt: http://forum.latenightsw.com/t/formatting-dates/841
	on rfc3339FromDate:aDate
	set theFormatter to current application's NSDateFormatter's new()
	theFormatter's setLocale:(current application's NSLocale's localeWithLocaleIdentifier:"en_US_POSIX")
	theFormatter's setTimeZone:(current application's NSTimeZone's timeZoneWithAbbreviation:"GMT") -- skip for local time
	theFormatter's setDateFormat:"yyyy'-'MM'-'dd'T'HH':'mm':'ssXXX"
	return (theFormatter's stringFromDate:aDate) as text
	end rfc3339FromDate:

	-- Stolen from Mark Aldritt: http://forum.latenightsw.com/t/formatting-dates/841
	on dateFromRfc3339String:theString
	set theFormatter to current application's NSDateFormatter's new()
	theFormatter's setLocale:(current application's NSLocale's localeWithLocaleIdentifier:"en_US_POSIX")
	theFormatter's setTimeZone:(current application's NSTimeZone's timeZoneWithAbbreviation:"GMT") -- skip for local time
	theFormatter's setDateFormat:"yyyy'-'MM'-'dd'T'HH':'mm':'ssXXX"
	return (theFormatter's dateFromString:theString) as date
	end dateFromRfc3339String:

	-- Stolen from Apple: https://developer.apple.com/library/content/documentation/LanguagesUtilities/Conceptual/MacAutomationScriptingGuide/EncodeandDecodeText.html
	on encodeText:theText
	set theString to stringWithString_(theText) of NSString of current application
	set theEncoding to NSUTF8StringEncoding of current application
	set theAdjustedString to stringByAddingPercentEscapesUsingEncoding_(theEncoding) of theString
	return (theAdjustedString as string)
	end encodeText:

	on logMessage(logResource, logInfo, logLevel)
	if ((logLevel ≥ logVerbosity) and (logLevel < 4)) then
	tell application id "DNtp"
	log message logResource info (logInfo as String)
	end tell
	end if
	if (scriptDebugging) then
	log logInfo & ": " & logResource
	end if
	end logMessage