Refine database package

src/main/scala/com/github/shadowsocks/database/DBHelper.scala

@@ -23,11 +23,11 @@ package com.github.shadowsocks.database
 import android.content.Context
 import android.content.pm.ApplicationInfo
 import android.database.sqlite.SQLiteDatabase
+import com.github.shadowsocks.ShadowsocksApplication.app
 import com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper
 import com.j256.ormlite.dao.Dao
 import com.j256.ormlite.support.ConnectionSource
 import com.j256.ormlite.table.TableUtils
-import com.github.shadowsocks.ShadowsocksApplication.app
 
 import scala.collection.JavaConverters._
 import scala.collection.mutable
@@ -55,12 +55,16 @@ class DBHelper(val context: Context)
     TableUtils.createTable(connectionSource, classOf[Profile])
   }
 
+  def recreate(database: SQLiteDatabase, connectionSource: ConnectionSource) {
+    TableUtils.dropTable(connectionSource, classOf[Profile], true)
+    onCreate(database, connectionSource)
+  }
+
   def onUpgrade(database: SQLiteDatabase, connectionSource: ConnectionSource, oldVersion: Int,
     newVersion: Int) {
     if (oldVersion != newVersion) {
       if (oldVersion < 7) {
-        profileDao.executeRawNoArgs("DROP TABLE IF EXISTS 'profile';")
-        onCreate(database, connectionSource)
+        recreate(database, connectionSource)
         return
       }
 
@@ -132,8 +136,7 @@ class DBHelper(val context: Context)
       } catch {
         case ex: Exception =>
           app.track(ex)
-          profileDao.executeRawNoArgs("DROP TABLE IF EXISTS 'profile';")
-          onCreate(database, connectionSource)
+          recreate(database, connectionSource)
           return
       }
     }

src/main/scala/com/github/shadowsocks/database/Profile.scala

@@ -31,7 +31,7 @@ import com.j256.ormlite.field.{DataType, DatabaseField}
 
 class Profile {
   @DatabaseField(generatedId = true)
-  var id: Int = 0
+  var id: Int = _
 
   @DatabaseField
   var name: String = ""
@@ -59,28 +59,28 @@ class Profile {
   var remoteDns: String = "8.8.8.8"
 
   @DatabaseField
-  var proxyApps: Boolean = false
+  var proxyApps: Boolean = _
 
   @DatabaseField
-  var bypass: Boolean = false
+  var bypass: Boolean = _
 
   @DatabaseField
-  var udpdns: Boolean = false
+  var udpdns: Boolean = _
 
   @DatabaseField
-  var auth: Boolean = false
+  var auth: Boolean = _
 
   @DatabaseField
-  var ipv6: Boolean = false
+  var ipv6: Boolean = _
 
   @DatabaseField(dataType = DataType.LONG_STRING)
   var individual: String = ""
 
   @DatabaseField
-  var tx: Long = 0
+  var tx: Long = _
 
   @DatabaseField
-  var rx: Long = 0
+  var rx: Long = _
 
   @DatabaseField
   val date: java.util.Date = new java.util.Date()
@@ -89,7 +89,7 @@ class Profile {
   var userOrder: Long = _
 
   @DatabaseField
-  var kcp: Boolean = false
+  var kcp: Boolean = _
 
   @DatabaseField
   var kcpPort: Int = 8399