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- package com.example.demir.carsharing;
- import android.content.ContentValues;
- import android.content.Context;
- import android.database.Cursor;
- import android.database.sqlite.SQLiteDatabase;
- import android.database.sqlite.SQLiteOpenHelper;
- import android.util.Log;
- public class DbHelper extends SQLiteOpenHelper {
- public static final String TAG = DbHelper.class.getSimpleName();
- public static final String DB_NAME="carsharing.db";
- public static final int DB_VERSION =1;
- public static final String USER_TABLE = "users";
- public static final String COLUMN_ID = "_id";
- public static final String COLUMN_EMAIL = "email";
- public static final String COLUMN_PASS = "password";
- /*
- * public static final String TABLE_NAME="reservation";
- public static final String COL_1="id";
- public static final String COL_2="name";
- public static final String COL_3="address";
- public static final String COL_4="phone_number";
- public static final String COL_5="starting_point";
- public static final String COL_6="destination";
- *
- * */
- /*
- create table users(
- id integer primary key autoincrement,
- email text,
- password text);
- */
- public static final String CREATE_TABLE_USERS = "CREATE TABLE " + USER_TABLE + "("
- + COLUMN_ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
- + COLUMN_EMAIL + " TEXT,"
- + COLUMN_PASS + " TEXT);";
- public DbHelper(Context context) {
- super(context, DB_NAME, null, DB_VERSION);
- }
- @Override
- public void onCreate(SQLiteDatabase db) {
- db.execSQL(CREATE_TABLE_USERS);
- }
- @Override
- public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
- db.execSQL("DROP TABLE IF EXIST"+USER_TABLE);
- onCreate(db);
- }
- public void addUser(String email, String password) {
- SQLiteDatabase db = this.getWritableDatabase();
- ContentValues values = new ContentValues();
- values.put(COLUMN_EMAIL, email);
- values.put(COLUMN_PASS, password);
- long id = db.insert(USER_TABLE, null, values);
- db.close();
- Log.d(TAG, "user inserted" + id);
- }
- public boolean getUser(String email, String pass){
- //HashMap<String, String> user = new HashMap<String, String>();
- String selectQuery = "select * from " + USER_TABLE + " where " +
- COLUMN_EMAIL + " = " + "'"+email+"'" + " and " + COLUMN_PASS + " = " + "'"+pass+"'";
- SQLiteDatabase db = this.getReadableDatabase();
- Cursor cursor = db.rawQuery(selectQuery, null);
- // Move to first row
- cursor.moveToFirst();
- if (cursor.getCount() > 0) {
- return true;
- }
- cursor.close();
- db.close();
- return false;
- }
- }
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