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create a database for storing event operations, if the user was offline

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This commit is contained in:
tibbi 2017-07-26 21:37:27 +02:00
parent 891bae5378
commit ce3934612c
2 changed files with 42 additions and 0 deletions
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2
app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt
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@ -268,3 +268,5 @@ fun Context.isGoogleSyncActive() = config.googleSync && config.syncAccountName.i
val Context.config: Config get() = Config.newInstance(this) val Context.config: Config get() = Config.newInstance(this)
val Context.dbHelper: DBHelper get() = DBHelper.newInstance(this) val Context.dbHelper: DBHelper get() = DBHelper.newInstance(this)
val Context.googleSyncQueue: GoogleSyncQueueDB get() = GoogleSyncQueueDB.newInstance(this)

40
app/src/main/kotlin/com/simplemobiletools/calendar/helpers/GoogleSyncQueueDB.kt Normal file
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@ -0,0 +1,40 @@
package com.simplemobiletools.calendar.helpers
import android.content.Context
import android.database.sqlite.SQLiteDatabase
import android.database.sqlite.SQLiteOpenHelper
// database for storing operations performed on google events locally, while the user was offline
class GoogleSyncQueueDB private constructor(val context: Context) : SQLiteOpenHelper(context, DB_NAME, null, DB_VERSION) {
private val MAIN_TABLE_NAME = "operations"
private val COL_ID = "id"
private val COL_EVENT_ID = "event_id"
private val COL_OPERATION = "operation"
private val OPERATION_INSERT = 1
private val OPERATION_UPDATE = 2
private val OPERATION_DELETE = 3
private val mDb: SQLiteDatabase = writableDatabase
companion object {
private val DB_VERSION = 1
private val DB_NAME = "googlesyncqueue.db"
var dbInstance: GoogleSyncQueueDB? = null
fun newInstance(context: Context): GoogleSyncQueueDB {
if (dbInstance == null)
dbInstance = GoogleSyncQueueDB(context)
return dbInstance!!
}
}
override fun onCreate(db: SQLiteDatabase) {
db.execSQL("CREATE TABLE $MAIN_TABLE_NAME ($COL_ID INTEGER PRIMARY KEY, $COL_EVENT_ID INTEGER, $COL_OPERATION INTEGER)")
}
override fun onUpgrade(db: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
}
}