fix: url encoding (#1142)

The Wolframalpha API call would previously throw an error due to an
incorrect layout of the input data to the url encoding step.
This commit fixes it

Author: lucascherzer

sourced/api_wrappers/wolframalpha.nu

@@ -1,19 +1,19 @@
-let appID = "" #YOUR APP_ID
+let appID = $env.WOLFRAMALPHA_APPID
 
 #Fetch simple answer from WolframAlpha API
-def wolfram [...query #Your query
+def wolfram [...query
 ] {
     let query_string = ($query | str join " ")
-    let result = (http get ("https://api.wolframalpha.com/v1/result?" + ([[appid i]; [$appID $query_string]] | url build-query)))
+    let result = (http get ("https://api.wolframalpha.com/v1/result?" + ([[key value]; [appid $appID] [i $query_string]] | url build-query)))
     $result + ""
 }
 
 #Fetch image with full answer from WolframAlpha API
-def wolframimg [...query #Your query
+def wolframimg [...query
 ] {
     let query_string = ($query | str join " ")
     let filename = ($query_string + ".png")
-    let link = ("https://api.wolframalpha.com/v1/simple?" + ([[appid i]; [$appID $query_string]] | url build-query) + "&background=F5F5F5&fontsize=20")
+    let link = ("https://api.wolframalpha.com/v1/simple?" + ([[key value]; [appid $appID] [i $query_string]] | url build-query) + "&background=F5F5F5&fontsize=20")
     http get $link | save $filename
     echo ("Query result saved in file: " + $filename)
 }