Add access token table and manage ui.

src/main/scala/service/AccesTokenService.scala

@@ -0,0 +1,43 @@
+package service
+
+import model.Profile._
+import profile.simple._
+import model.AccessToken
+import util.StringUtil
+import scala.util.Random
+
+trait AccessTokenService {
+
+  def makeAccessTokenString: String = {
+    val bytes = new Array[Byte](20)
+    Random.nextBytes(bytes)
+    bytes.map("%02x".format(_)).mkString
+  }
+
+  def tokenToHash(token: String): String = StringUtil.sha1(token)
+
+  /**
+   * @retuen (TokenId, Token)
+   */
+  def generateAccessToken(userName: String, note: String)(implicit s: Session): (Int, String) = {
+    var token: String = null
+    var hash: String = null
+    do{
+      token = makeAccessTokenString
+      hash = tokenToHash(token)
+    }while(AccessTokens.filter(_.tokenHash === hash.bind).exists.run)
+    val newToken = AccessToken(
+        userName = userName,
+        note = note,
+        tokenHash = hash)
+    val tokenId = (AccessTokens returning AccessTokens.map(_.accessTokenId)) += newToken
+    (tokenId, token)
+  }
+
+  def getAccessTokens(userName: String)(implicit s: Session): List[AccessToken] =
+    AccessTokens.filter(_.userName === userName.bind).sortBy(_.accessTokenId.desc).list
+
+  def deleteAccessToken(userName: String, accessTokenId: Int)(implicit s: Session): Unit =
+    AccessTokens filter (t => t.userName === userName.bind && t.accessTokenId === accessTokenId) delete
+
+}