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| package com.example.medichome;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.Log;
public class DBAdapterAliment
{
private static final int NUM_KEY = 0;
private static final int NUM_TITRE = 1;
private static final int NUM_IMAGE = 2;
private static final int NUM_DANSLIST = 3;
private static final int NUM_TYPE = 4;
public static final String KEY_ROWID = "_id";
public static final String KEY_TITRE = "titre";
public static final String KEY_IMAGE = "image";
public static final String KEY_DANSLIST = "danslist";
public static final String KEY_TYPE = "type";
private static final String TAG = "DBAdapterAliment";
private static Context context;
private static final String DATABASE_NAME = "aliment_database.db";
private static final String DATABASE_TABLE = "aliments";
private static int DATABASE_VERSION = 1;
public static final String titre1 = "\"Pommes\"";
public static final String titre2 = "\"Oranges\"";
public static final String titre3 = "\"Bananes\"";
public static final String titre4 = "\"Fraises\"";
public static final String titre5 = "\"Kiwis\"";
public static final String titre6 = "\"Tomates\"";
public static final String titre7 = "\"Haricots\"";
public static final String titre8 = "\"Petit pois\"";
public static final String titre9 = "\"Salade\"";
public static final String titre10 = "\"Endives\"";
public static final String titre11 = "\"Oeufs\"";
public static final String titre12 = "\"Jambon\"";
public static final String titre13 = "\"Poulet\"";
public static final String titre14 = "\"Poisson\"";
public static final String titre15 = "\"Boeuf\"";
public static final String titre16 = "\"Eau\"";
public static final String titre17 = "\"Sel\"";
public static final String titre18 = "\"Poivre\"";
public static final String titre19 = "\"Beurre\"";
public static final String titre20 = "\"Lait\"";
public static final Bitmap image1 = BitmapFactory.decodeResource(context.getResources(), R.drawable.pomme);
public static final Bitmap image2 = BitmapFactory.decodeResource(context.getResources(), R.drawable.orange);
public static final Bitmap image3 = BitmapFactory.decodeResource(context.getResources(), R.drawable.banane);
public static final Bitmap image4 = BitmapFactory.decodeResource(context.getResources(), R.drawable.fraise);
public static final Bitmap image5 = BitmapFactory.decodeResource(context.getResources(), R.drawable.kiwi);
public static final Bitmap image6 = BitmapFactory.decodeResource(context.getResources(), R.drawable.tomate);
public static final Bitmap image7 = BitmapFactory.decodeResource(context.getResources(), R.drawable.haricot);
public static final Bitmap image8 = BitmapFactory.decodeResource(context.getResources(), R.drawable.petitp);
public static final Bitmap image9 = BitmapFactory.decodeResource(context.getResources(), R.drawable.salade);
public static final Bitmap image10 = BitmapFactory.decodeResource(context.getResources(), R.drawable.endive);
public static final Bitmap image11 = BitmapFactory.decodeResource(context.getResources(), R.drawable.oeufs);
public static final Bitmap image12 = BitmapFactory.decodeResource(context.getResources(), R.drawable.jambon);
public static final Bitmap image13 = BitmapFactory.decodeResource(context.getResources(), R.drawable.poulet);
public static final Bitmap image14 = BitmapFactory.decodeResource(context.getResources(), R.drawable.poisson);
public static final Bitmap image15 = BitmapFactory.decodeResource(context.getResources(), R.drawable.boeuf);
public static final Bitmap image16 = BitmapFactory.decodeResource(context.getResources(), R.drawable.eau);
public static final Bitmap image17 = BitmapFactory.decodeResource(context.getResources(), R.drawable.sel);
public static final Bitmap image18 = BitmapFactory.decodeResource(context.getResources(), R.drawable.poivre);
public static final Bitmap image19 = BitmapFactory.decodeResource(context.getResources(), R.drawable.beurre);
public static final Bitmap image20 = BitmapFactory.decodeResource(context.getResources(), R.drawable.lait);
public static final int type0 = 0;
public static final int type1 = 1;
public static final int type2 = 2;
public static final int type3 = 3;
public static final String INSERT1 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre1 + "," + image1 + "1," + type0 + ");";
public static final String INSERT2 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre2 + "," + image2 + "1," + type0 + ");";
public static final String INSERT3 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre3 + "," + image3 + "1," + type0 + ");";
public static final String INSERT4 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre4 + "," + image4 + "1," + type0 + ");";
public static final String INSERT5 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre5 + "," + image5 + "1," + type0 + ");";
public static final String INSERT6 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre6 + "," + image6 + "1," + type1 + ");";
public static final String INSERT7 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre7 + "," + image7 + "1," + type1 + ");";
public static final String INSERT8 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre8 + "," + image8 + "1," + type1 + ");";
public static final String INSERT9 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre9 + "," + image9 + "1," + type1 + ");";
public static final String INSERT10 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre10 + "," + image10 + "1," + type1 + ");";
public static final String INSERT11 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre11 + "," + image11 + "1," + type2 + ");";
public static final String INSERT12 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre12 + "," + image12 + "1," + type2 + ");";
public static final String INSERT13 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre13 + "," + image13 + "1," + type2 + ");";
public static final String INSERT14 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre14 + "," + image14 + "1," + type2 + ");";
public static final String INSERT15 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre15 + "," + image15 + "1," + type2 + ");";
public static final String INSERT16 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre16 + "," + image16 + "1," + type3 + ");";
public static final String INSERT17 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre17 + "," + image17 + "1," + type3 + ");";
public static final String INSERT18 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre18 + "," + image18 + "1," + type3 + ");";
public static final String INSERT19 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre19 + "," + image19 + "1," + type3 + ");";
public static final String INSERT20 = "INSERT INTO " + DATABASE_TABLE + " (titre, image, danslist, type) VALUES (" + titre20 + "," + image20 + "1," + type3 + ");";
private static final String DATABASE_CREATE =
"create table aliments (_id integer primary key autoincrement, titre text not null,"
+ "image blob, danslist integer, type interger);";
private DatabaseHelperAliment DBHelper;
private SQLiteDatabase db;
public DBAdapterAliment(Context ctx)
{
this.context = ctx;
DBHelper = new DatabaseHelperAliment(context);
}
private static class DatabaseHelperAliment extends SQLiteOpenHelper
{
DatabaseHelperAliment(Context context)
{
super(context, DATABASE_NAME, null, DATABASE_VERSION);
System.out.println("DatabaseHelperAliment");
}
@Override
public void onCreate(SQLiteDatabase db)
{
System.out.println(" OnCreate ");
db.execSQL(DATABASE_CREATE);
db.execSQL(INSERT1);
db.execSQL(INSERT2);
db.execSQL(INSERT3);
db.execSQL(INSERT4);
db.execSQL(INSERT5);
db.execSQL(INSERT6);
db.execSQL(INSERT7);
db.execSQL(INSERT8);
db.execSQL(INSERT9);
db.execSQL(INSERT10);
db.execSQL(INSERT11);
db.execSQL(INSERT12);
db.execSQL(INSERT13);
db.execSQL(INSERT14);
db.execSQL(INSERT15);
db.execSQL(INSERT16);
db.execSQL(INSERT17);
db.execSQL(INSERT18);
db.execSQL(INSERT19);
db.execSQL(INSERT20);
System.out.println(" 20 INSERT ");
Log.w("TEST : ", "PREMIERE CREATION DE LA BASE ALIMENT !");
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion)
{
System.out.println(" OnUpgrade ");
Log.w(TAG, "Upgrading database from version " + oldVersion
+ " to "
+ newVersion + ", which will destroy all old data");
db.execSQL("DROP TABLE IF EXISTS aliments");
onCreate(db);
}
}
public DBAdapterAliment open() throws SQLException
{
//DATABASE_VERSION++;
db = DBHelper.getWritableDatabase();
System.out.println(".open() OUVERTURE BD");
return this;
}
//---closes the database---
public void close()
{
System.out.println(".close() FERMETURE BD");
DBHelper.close();
}
//---insert a title into the database---
public long insertAliment(String t, byte[] image, int dl, int ty)
{
ContentValues initialValues = new ContentValues();
initialValues.put(KEY_TITRE, t);
initialValues.put(KEY_IMAGE, image);
initialValues.put(KEY_DANSLIST, dl);
initialValues.put(KEY_TYPE, ty);
return db.insert(DATABASE_TABLE, null, initialValues);
}
//---deletes a particular title---
public boolean deleteAliment(long rowId)
{
boolean i = db.delete(DATABASE_TABLE, KEY_ROWID + "=" + rowId, null) > 0;
if (i) System.out.println("Aliment supprimé");
return i;
}
public boolean deleteAliment(String t)
{
boolean i = db.delete(DATABASE_TABLE, KEY_TITRE +" LIKE '" + t + "'", null) > 0;
if (i) System.out.println("Aliment supprimé");
return i;
}
//---retrieves all the titles---
public Cursor getAllAliment()
{
return db.query(DATABASE_TABLE, new String[] {
KEY_ROWID,
KEY_TITRE,
KEY_IMAGE,
KEY_DANSLIST,
KEY_TYPE},
null,
null,
null,
null,
null);
}
//---retrieves a particular title---
public Cursor getAliment(long rowId) throws SQLException
{
Cursor mCursor =
db.query(true, DATABASE_TABLE, new String[] {
KEY_ROWID,
KEY_TITRE,
KEY_IMAGE,
KEY_DANSLIST,
KEY_TYPE},
KEY_ROWID + "=" + rowId,
null,
null,
null,
null,
null);
if (mCursor != null) {
mCursor.moveToFirst();
}
return mCursor;
}
public Cursor getAllAlimentByDansList(int dl) throws SQLException
{
Cursor mCursor = db.rawQuery("select * from aliments where danslist = " + dl, null);
if (mCursor != null) {
mCursor.moveToFirst();
}
else { System.out.println("Cursor vide");}
return mCursor;
}
//---updates a title---
public boolean updateAliment(long rowId, String t, byte[] image, int dl, int ty)
{
ContentValues args = new ContentValues();
args.put(KEY_TITRE, t);
args.put(KEY_IMAGE, image);
args.put(KEY_DANSLIST, dl);
args.put(KEY_TYPE, ty);
return db.update(DATABASE_TABLE, args,
KEY_ROWID + "=" + rowId, null) > 0;
}
public long insertAliment(UnAliment al)
{
//Création d'un ContentValues (fonctionne comme une HashMap)
ContentValues values = new ContentValues();
//on lui ajoute une valeur associé à une clé (qui est le nom de la colonne dans laquelle on veut mettre la valeur)
values.put(KEY_TITRE, al.getTitre());
values.put(KEY_IMAGE, al.getImage());
values.put(KEY_DANSLIST, al.getDansList());
values.put(KEY_TYPE, al.getType());
System.out.println("Aliment inseré");
//on insère l'objet dans la BDD via le ContentValues
return db.insert(DATABASE_TABLE, null, values);
}
public int updateAliment(long l, UnAliment al)
{
//La mise à jour d'un livre dans la BDD fonctionne plus ou moins comme une insertion
//il faut simple préciser quelle livre on doit mettre à jour grâce à l'ID
ContentValues values = new ContentValues();
values.put(KEY_TITRE, al.getTitre());
values.put(KEY_IMAGE, al.getImage());
values.put(KEY_DANSLIST, al.getDansList());
values.put(KEY_TYPE, al.getType());
return db.update(DATABASE_TABLE, values, KEY_ROWID + " = " +l, null);
}
public int removeAlimentWithID(long l)
{
//Suppression d'un livre de la BDD grâce à l'ID
return db.delete(DATABASE_TABLE, KEY_ROWID + " = " +l, null);
}
public UnAliment getAlimentWithTitre(String titre)
{
//Récupère dans un Cursor les valeur correspondant à un livre contenu dans la BDD (ici on sélectionne le livre grâce à son titre)
Cursor c = db.query(DATABASE_TABLE, new String[] {KEY_ROWID, KEY_TITRE, KEY_IMAGE, KEY_DANSLIST, KEY_TYPE}, KEY_TITRE + " LIKE \"" + titre +"\"", null, null, null, null);
return cursorToAliment(c);
}
public UnAliment getAlimentWithId(int id)
{
//Récupère dans un Cursor les valeur correspondant à un livre contenu dans la BDD (ici on sélectionne le livre grâce à son titre)
Cursor c = db.query(DATABASE_TABLE, new String[] {KEY_ROWID, KEY_TITRE, KEY_IMAGE, KEY_DANSLIST, KEY_TYPE}, KEY_ROWID + " LIKE \"" + id +"\"", null, null, null, null);
return cursorToAliment(c);
}
public UnAliment getAlimentWithDansList(int dl)
{
//Récupère dans un Cursor les valeur correspondant à un livre contenu dans la BDD (ici on sélectionne le livre grâce à son titre)
Cursor c = db.query(DATABASE_TABLE, new String[] {KEY_ROWID, KEY_TITRE, KEY_IMAGE, KEY_DANSLIST, KEY_TYPE}, KEY_DANSLIST + " = \"" + dl +"\"", null, null, null, null);
return cursorToAliment(c);
}
//Cette méthode permet de convertir un cursor en un livre
private UnAliment cursorToAliment(Cursor c)
{
//si aucun élément n'a été retourné dans la requête, on renvoie null
if (c.getCount() == 0)
return null;
//Sinon on se place sur le premier élément
c.moveToFirst();
//On créé un livre
UnAliment al = new UnAliment();
//on lui affecte toutes les infos grâce aux infos contenues dans le Cursor
al.setIdAl(c.getInt(NUM_KEY));
al.setTitre(c.getString(NUM_TITRE));
al.setImage(c.getBlob(NUM_IMAGE));
al.setDansList(c.getInt(NUM_DANSLIST));
al.setType(c.getInt(NUM_TYPE));
//On ferme le cursor
c.close();
//On retourne le livre
return al;
}
} |
