Merge pull request github#603 from aanoaa/eval

evaluate multiple lines with `on` and `off|finish|done`

Author: technicalpickles

src/scripts/eval.coffee

@@ -9,15 +9,52 @@
 #
 # Commands:
 #   hubot eval me <lang> <code> - evaluate <code> and show the result
+#   hubot eval on <lang> - start recording
+#   hubot eval off|finish|done - evaluate recorded <code> and show the result
+#   hubot eval cancel - cancel recording
 #
 # Author:
 #   aanoaa
 
 module.exports = (robot) ->
+  robot.respond /eval[,:]? +on +([a-z]+) *$/i, (msg) ->
+    robot.brain.data.eval or= {}
+    robot.brain.data.eval[msg.message.user.name] = {
+      recording: true
+      lang: msg.match[1]
+    }
+    msg.send("OK, recording #{msg.message.user.name}'s codes for evaluate.")
+
+  robot.respond /eval[,:]? +(?:off|finish|done) *$/i, (msg) ->
+    return unless robot.brain.data.eval?[msg.message.user.name]?.recording
+    code = robot.brain.data.eval[msg.message.user.name].code?.join("\n")
+    lang = robot.brain.data.eval[msg.message.user.name].lang
+    msg
+      .http("http://api.dan.co.jp/lleval.cgi")
+      .query(s: "#!/usr/bin/#{lang}\n#{code}")
+      .get() (err, res, body) ->
+        out = JSON.parse(body)
+        ret = out.stdout or out.stderr
+        msg.send ret.split("\n")
+    delete robot.brain.data.eval[msg.message.user.name]
+
+  robot.respond /eval[,:]? +cancel *$/i, (msg) ->
+    delete robot.brain.data.eval?[msg.message.user.name]?
+    msg.send "canceled #{msg.message.user.name}'s evaluation recording"
+
   robot.respond /eval( me)? ([^ ]+) (.+)/i, (msg) ->
+    return if msg.match[2] in ['on', 'off', 'finish', 'done', 'cancel']
     msg
       .http("http://api.dan.co.jp/lleval.cgi")
       .query(s: "#!/usr/bin/#{msg.match[2]}\n#{msg.match[3]}")
       .get() (err, res, body) ->
         out = JSON.parse(body)
-        msg.send if out.stderr then out.stderr else out.stdout
+        ret = out.stdout or out.stderr
+        msg.send ret.split("\n")
+
+  robot.catchAll (msg) ->
+    return unless robot.brain.data.eval?[msg.message.user.name]
+    if robot.brain.data.eval[msg.message.user.name].recording
+      robot.brain.data.eval[msg.message.user.name].code or= []
+      unless msg.message.text?.match /eval[,:]? +on +([a-z]+) *$/i
+        robot.brain.data.eval[msg.message.user.name].code.push msg.message.text