Added wikipedia plugin

plugins/wiki.lua

@@ -0,0 +1,70 @@
+require("./plugins/google")
+
+function firstresult(results)
+  return results[1][2]
+end
+
+function wikiapilink(wikiurl)
+  local wikipattern="^http://de.wikipedia.org/wiki/(.*)$"
+  local matches = { string.match(wikiurl, wikipattern) }
+  local queryterm=matches[1]
+  local apilink = "http://de.wikipedia.org/w/index.php?action=raw&title="..queryterm
+  return apilink
+end
+
+
+function getwikifromapi(apilink)
+  -- Do the request
+  local res, code = https.request(apilink)
+  if code ~=200 then return "Ein Fehler ist aufgetreten" end
+  local data = res
+  local wikitext=data
+  return wikitext
+end
+
+function plaintext(wikitext)
+  local plaintext=string.gsub(wikitext,"{{Infobox.-\n}}\n","")
+  plaintext=string.gsub(wikitext,"{{Medienbox.-\n}}\n","")
+  plaintext=string.gsub(wikitext,"<!--.--->","")  
+  plaintext=string.gsub(plaintext,"Datei:.-]]","")
+  plaintext=string.gsub(plaintext,"{{.-}}","")
+  plaintext=string.gsub(plaintext,"[%[%|%]%]]","")
+  plaintext=string.gsub(plaintext,"<ref.->.-</ref>","")
+  local firstsectionindex=string.find(plaintext,"==")
+  if firstsectionindex~=nil then
+    plaintext=string.sub(plaintext,1,firstsectionindex-1)
+  end
+  return plaintext
+end
+
+function formatwikiforsending(wikitext,url)
+  -- local stringtosend=title.."\n==="
+  local stringtosend=plaintext(wikitext).."\n"
+  stringtosend=stringtosend.."- "..url
+  return stringtosend
+end
+
+
+function scrapewiki(results)
+  local url=firstresult(results)
+  local tosend=formatwikiforsending(getwikifromapi(wikiapilink(url)),url)
+  return tosend
+end
+
+function run(msg, matches)
+  vardump(matches)
+  local results = googlethat(matches[1].." site:de.wikipedia.org")
+  return scrapewiki(results)
+end
+
+
+return {
+  description = "Sendet einen Wikipedia-Artikel",
+  usage = "/wiki Suchwort",
+  patterns = {
+    "^/wiki (.*)$",
+    "^%.[w|W]iki (.*)$",
+	"de.wikipedia.org/wiki/([A-Za-z0-9-_-]+)"
+    },
+    run = run
+  }