Request contents from ACM

lua/sourcer/init.lua

@@ -1,9 +1,18 @@
 local M = {}
 
 function M.lookup()
-	local keywords = vim.fn.getreg("*")
+	local keywords = vim.fn.getreg("") -- receive highlighted text
+	local url = "https://dl.acm.org/action/doSearch?AllField=" .. keywords
 
-	print(keywords)
+	-- Setup a http socket and request
+	local http = require("socket.http")
+	local response, status_code, headers = http.request(url)
+
+	if status_code == 200 then
+		print(response)
+	else
+		print("Getting sources failed with error code " .. status_code .. "!")
+	end
 end
 
 return M