Add API for retrieving cards

app/controllers/Cards.scala

@@ -26,4 +26,12 @@ object Cards extends Controller {
     )
   }
 
+  def dump = Action {
+    Ok(Json.toJson(Card.list()))
+  }
+
+  def random = Action {
+    Ok(Json.toJson(Card.getRandom()))
+  }
+
 }

app/models/Card.scala

@@ -28,16 +28,31 @@ object Card {
   }
 
   def getRandom() = DB.withConnection { implicit c =>
-    SQL("""
+    val list = SQL("""
       with rand as (
-        select * from words offset random() * (select count(*) from words) limit 1
+        select * from words offset floor(random() * (select count(*) from words)) limit 1
       )
       select rand.word as word, taboo.word as taboo from taboo, rand where word_id = rand.id
     """)
     .list(str("word") ~ str("taboo") map flatten)
-    .groupBy(_._1)
-    .map { case (word, taboos) => Card(word, taboos.map(_._2).toSet) }
-    .head
+
+    mapToCard(list).head
+  }
+
+  def list() = DB.withConnection { implicit c =>
+    val list = SQL("""
+      select words.word as word, taboo.word as taboo
+      from words left join taboo on word_id = words.id
+    """)
+    .list(str("word") ~ str("taboo") map flatten)
+
+    mapToCard(list)
+  }
+
+  def mapToCard(seq: Seq[(String, String)]) = {
+    seq.groupBy(_._1).map {
+      case (word, taboos) => Card(word, taboos.map(_._2).toSet)
+    }
   }
 }
 

conf/routes

@@ -7,7 +7,9 @@ GET     /                                controllers.Application.index
 GET     /room/chat                       controllers.Application.chat(username)
 GET     /jsRoutes                        controllers.Application.javascriptRoutes
 
+GET     /cards                           controllers.Cards.dump
 POST    /cards                           controllers.Cards.add
+GET     /cards/random                    controllers.Cards.random
 
 # Map static resources from the /public folder to the /assets URL path
 GET     /assets/*file                    controllers.Assets.at(path="/public", file)