Changes to apod.lua:

- Now uses demo key if key is not configured.
 - Removed newlines in doc.
 - Removed some unused code.

config.lua

@@ -6,7 +6,7 @@ return {
 	owm_api_key = '',
 	biblia_api_key = '',
 	thecatapi_key = '',
-	nasaapi_key = '',
+	nasa_api_key = '',
 	time_offset = 0,
 	lang = 'en',
 	antisquig = false,

plugins/apod.lua

@@ -1,20 +1,9 @@
--- TODO:
--- 	inline bot stuff
-
-if not config.nasaapi_key then
-	print('Missing config value: nasaapi_key.')
-	print('You can use the simple key DEMO_KEY, but it is very limited.')
-	print('apod.lua will not be enabled.')
-	return
-end
-
 local command = 'apod [query]'
 local doc = [[```
 /apod [query]
 Returns the Astronomy Picture of the Day.
-
+If the query is a date, in the format YYYY-MM-DD, the APOD of that day is returned.
-If the query is a date, in the format YYYY-MM-DD,
+Source: nasa.gov
-the APOD of that day is returned.
 ```]]
 
 local triggers = {
@@ -23,19 +12,20 @@ local triggers = {
 
 local action = function(msg)
 
-	local input = msg.text:input()
+	if not config.nasa_api_key then
-	local caption = '' 
+		config.nasa_api_key = 'DEMO_KEY'
-	local date = '*'
+	end
-	--local date_url = ''
 
-	local url = 'https://api.nasa.gov/planetary/apod?api_key=' .. config.nasaapi_key
+	local input = msg.text:input()
+	local caption = ''
+	local date = '*'
+
+	local url = 'https://api.nasa.gov/planetary/apod?api_key=' .. config.nasa_api_key
 
 	if input then
 		url = url .. '&date=' .. URL.escape(input)
-	--	date_url = string.sub(date,3,4) .. string.sub(date,6,7) .. string.sub(date,9,10)
 		date = date .. input
 	else
-	--	date_url = os.date("%y%m%d")
 		date = date .. os.date("%Y-%m-%d")
 	end
 
@@ -55,14 +45,15 @@ local action = function(msg)
 	end
 
 	--local weburl = 'http://apod.nasa.gov/apod/ap' .. date_url .. '.html'
-	--caption = date .. '[' .. jdat.title  .. '](' .. weburl .. ')\n'
+	--output = date .. '[' .. jdat.title  .. '](' .. weburl .. ')\n'
-	caption = date .. '[' .. jdat.title  .. '](' .. jdat.url .. ')\n'
+	output = date .. '[' .. jdat.title  .. '](' .. jdat.url .. ')\n'
 
 	if jdat.copyright then
-		caption = caption .. 'Copyright: ' .. jdat.copyright
+		output = output .. 'Copyright: ' .. jdat.copyright
 	end
 
-	sendMessage(msg.chat.id, caption, false, nil, true)
+	sendMessage(msg.chat.id, output, false, nil, true)
+
 end
 
 return {