src/com/owncloud/android/db/DbHandler.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011-2012  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 2 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package com.owncloud.android.db;
  19
  20 import com.owncloud.android.Log_OC;
  21
  22 import android.content.ContentValues;
  23 import android.content.Context;
  24 import android.database.Cursor;
  25 import android.database.sqlite.SQLiteDatabase;
  26 import android.database.sqlite.SQLiteOpenHelper;
  27 import android.util.Log;
  28
  29 /**
  30  * Custom database helper for ownCloud
  31  *
  32  * @author Bartek Przybylski
  33  *
  34  */
  35 public class DbHandler {
  36     private SQLiteDatabase mDB;
  37     private OpenerHelper mHelper;
  38     private final String mDatabaseName = "ownCloud";
  39     private final int mDatabaseVersion = 3;
  40
  41     private final String TABLE_INSTANT_UPLOAD = "instant_upload";
  42
  43     public static final int UPLOAD_STATUS_UPLOAD_LATER = 0;
  44     public static final int UPLOAD_STATUS_UPLOAD_FAILED = 1;
  45
  46     public DbHandler(Context context) {
  47         mHelper = new OpenerHelper(context);
  48         mDB = mHelper.getWritableDatabase();
  49     }
  50
  51     public void close() {
  52         mDB.close();
  53     }
  54
  55     public boolean putFileForLater(String filepath, String account) {
  56         ContentValues cv = new ContentValues();
  57         cv.put("path", filepath);
  58         cv.put("account", account);
  59         cv.put("attempt", UPLOAD_STATUS_UPLOAD_LATER);
  60         long result = mDB.insert(TABLE_INSTANT_UPLOAD, null, cv);
  61         Log_OC.d(TABLE_INSTANT_UPLOAD, "putFileForLater returns with: " + result + " for file: " + filepath);
  62         return result != -1;
  63     }
  64
  65     public int updateFileState(String filepath, Integer status) {
  66         ContentValues cv = new ContentValues();
  67         cv.put("attempt", status);
  68         int result = mDB.update(TABLE_INSTANT_UPLOAD, cv, "path=?", new String[] { filepath });
  69         Log_OC.d(TABLE_INSTANT_UPLOAD, "updateFileState returns with: " + result + " for file: " + filepath);
  70         return result;
  71     }
  72
  73     public Cursor getAwaitingFiles() {
  74         return mDB.query(TABLE_INSTANT_UPLOAD, null, "attempt=" + UPLOAD_STATUS_UPLOAD_LATER, null, null, null, null);
  75     }
  76
  77     public Cursor getFailedFiles() {
  78         return mDB.query(TABLE_INSTANT_UPLOAD, null, "attempt>" + UPLOAD_STATUS_UPLOAD_LATER, null, null, null, null);
  79     }
  80
  81     public void clearFiles() {
  82         mDB.delete(TABLE_INSTANT_UPLOAD, null, null);
  83     }
  84
  85     /**
  86      *
  87      * @param localPath
  88      * @return true when one or more pending files was removed
  89      */
  90     public boolean removeIUPendingFile(String localPath) {
  91         long result = mDB.delete(TABLE_INSTANT_UPLOAD, "path = ?", new String[] { localPath });
  92         Log_OC.d(TABLE_INSTANT_UPLOAD, "delete returns with: " + result + " for file: " + localPath);
  93         return result != 0;
  94
  95     }
  96
  97     private class OpenerHelper extends SQLiteOpenHelper {
  98         public OpenerHelper(Context context) {
  99             super(context, mDatabaseName, null, mDatabaseVersion);
 100         }
 101
 102         @Override
 103         public void onCreate(SQLiteDatabase db) {
 104             db.execSQL("CREATE TABLE " + TABLE_INSTANT_UPLOAD + " (" + " _id INTEGER PRIMARY KEY, " + " path TEXT,"
 105                     + " account TEXT,attempt INTEGER);");
 106         }
 107
 108         @Override
 109         public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
 110             db.execSQL("ALTER TABLE " + TABLE_INSTANT_UPLOAD + " ADD COLUMN attempt;");
 111
 112         }
 113     }
 114 }