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Code Issues Projects Releases Wiki Activity

Automatically clean users information cache.

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This commit is contained in:
Pierre HUBERT 2018-09-01 10:18:42 +02:00
parent 81f5a80ed8
commit 10d382ccb6
4 changed files with 72 additions and 52 deletions
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3
app/src/main/java/org/communiquons/android/comunic/client/data/DatabaseContract.java
View File

@ -15,7 +15,7 @@ public final class DatabaseContract {
public DatabaseContract(){}
/* Database basic information */
public static final int DATABASE_VERSION = 4;
public static final int DATABASE_VERSION = 5;
public static final String DATABASE_NAME = "database.db";
/* Users info table */
@ -23,6 +23,7 @@ public final class DatabaseContract {
public static final String TABLE_NAME = "users_info";
public static final String COLUMN_NAME_USER_ID = "user_id";
public static final String COLUMN_NAME_TIME_INSERT = "time_insert";
public static final String COLUMN_NAME_USER_FIRSTNAME = "first_name";
public static final String COLUMN_NAME_USER_LASTNAME = "last_name";
public static final String COLUMN_NAME_USER_ACCOUNT_IMAGE = "account_image";

1
app/src/main/java/org/communiquons/android/comunic/client/data/helpers/DatabaseHelper.java
View File

@ -33,6 +33,7 @@ public class DatabaseHelper extends SQLiteOpenHelper {
"CREATE TABLE " + UsersInfoSchema.TABLE_NAME + " (" +
UsersInfoSchema._ID + " INTEGER PRIMARY KEY," +
UsersInfoSchema.COLUMN_NAME_USER_ID + INTEGER_TYPE + COMMA_SEP +
UsersInfoSchema.COLUMN_NAME_TIME_INSERT + INTEGER_TYPE + COMMA_SEP +
UsersInfoSchema.COLUMN_NAME_USER_FIRSTNAME + TEXT_TYPE + COMMA_SEP +
UsersInfoSchema.COLUMN_NAME_USER_LASTNAME + TEXT_TYPE + COMMA_SEP +
UsersInfoSchema.COLUMN_NAME_USER_ACCOUNT_IMAGE + TEXT_TYPE

6
app/src/main/java/org/communiquons/android/comunic/client/data/helpers/GetUsersHelper.java
View File

@ -38,7 +38,7 @@ public class GetUsersHelper {
/**
* User information database helper
*/
private UsersInfosDbHelper udbHelper = null;
private UsersInfoDbHelper udbHelper = null;
/**
* Public constructor of the class
@ -55,7 +55,7 @@ public class GetUsersHelper {
* @param context The context of execution of the application
* @param udbHelper User database helper
*/
public GetUsersHelper(@NonNull Context context, @NonNull UsersInfosDbHelper udbHelper){
public GetUsersHelper(@NonNull Context context, @NonNull UsersInfoDbHelper udbHelper){
mContext = context.getApplicationContext();
this.udbHelper = udbHelper;
}
@ -68,7 +68,7 @@ public class GetUsersHelper {
*/
public GetUsersHelper(@NonNull Context context, @NonNull DatabaseHelper dbHelper){
mContext = context;
this.udbHelper = new UsersInfosDbHelper(dbHelper);
this.udbHelper = new UsersInfoDbHelper(dbHelper);
}
/**

114
app/src/main/java/org/communiquons/android/comunic/client/data/helpers/UsersInfosDbHelper.java → app/src/main/java/org/communiquons/android/comunic/client/data/helpers/UsersInfoDbHelper.java
View File

@ -6,6 +6,10 @@ import android.database.sqlite.SQLiteDatabase;
import org.communiquons.android.comunic.client.data.DatabaseContract.UsersInfoSchema;
import org.communiquons.android.comunic.client.data.models.UserInfo;
import org.communiquons.android.comunic.client.data.utils.TimeUtils;
import static org.communiquons.android.comunic.client.data.DatabaseContract.UsersInfoSchema.COLUMN_NAME_TIME_INSERT;
import static org.communiquons.android.comunic.client.data.DatabaseContract.UsersInfoSchema.TABLE_NAME;
/**
* Users information helpers
@ -16,7 +20,12 @@ import org.communiquons.android.comunic.client.data.models.UserInfo;
* Created by pierre on 11/2/17.
*/
class UsersInfosDbHelper {
class UsersInfoDbHelper {
/**
* Max age of user information in cache
*/
private static final int USER_INFO_MAX_AGE = 36000; //10 hours
/**
* Database helper
@ -28,8 +37,9 @@ class UsersInfosDbHelper {
*
* @param dbHelper Database helper object
*/
UsersInfosDbHelper(DatabaseHelper dbHelper){
UsersInfoDbHelper(DatabaseHelper dbHelper){
this.dbHelper = dbHelper;
clean();
}
/**
@ -51,7 +61,7 @@ class UsersInfosDbHelper {
}
/**
* Check wether a user is present in the database or not
* Check whether a user is present in the database or not
*
* @param userID The user to research on the database
* @return boolean True if the user exists / false else
@ -73,7 +83,7 @@ class UsersInfosDbHelper {
//Perform the request on the database
Cursor c = db.query(
UsersInfoSchema.TABLE_NAME,
TABLE_NAME,
projection,
selection,
selectionArgs,
@ -87,9 +97,6 @@ class UsersInfosDbHelper {
//Close cursor
c.close();
//Close the database
//db.close();
return number_entries > 0;
}
@ -105,17 +112,10 @@ class UsersInfosDbHelper {
SQLiteDatabase db = dbHelper.getWritableDatabase();
//Prepare the insertion
ContentValues newValues = new ContentValues();
newValues.put(UsersInfoSchema.COLUMN_NAME_USER_ID, user.getId());
newValues.put(UsersInfoSchema.COLUMN_NAME_USER_FIRSTNAME, user.getFirstName());
newValues.put(UsersInfoSchema.COLUMN_NAME_USER_LASTNAME, user.getLastName());
newValues.put(UsersInfoSchema.COLUMN_NAME_USER_ACCOUNT_IMAGE, user.getAcountImageURL());
ContentValues newValues = UserInfoToDb(user);
//Insert it
long newRowId = db.insert(UsersInfoSchema.TABLE_NAME, null, newValues);
//Close the database
//db.close();
long newRowId = db.insert(TABLE_NAME, null, newValues);
return (int) newRowId;
}
@ -150,7 +150,7 @@ class UsersInfosDbHelper {
//Perform the request
Cursor c = db.query(
UsersInfoSchema.TABLE_NAME,
TABLE_NAME,
requestedFields,
selection,
selectionArgs,
@ -164,31 +164,14 @@ class UsersInfosDbHelper {
result = null;
else {
//Initialize User object
result = new UserInfo();
c.moveToFirst();
//Extract the information and record them
result.setId(c.getInt(c.getColumnIndexOrThrow(
UsersInfoSchema.COLUMN_NAME_USER_ID)));
result.setFirstName(c.getString(c.getColumnIndexOrThrow(
UsersInfoSchema.COLUMN_NAME_USER_FIRSTNAME)));
result.setLastName(c.getString(c.getColumnIndexOrThrow(
UsersInfoSchema.COLUMN_NAME_USER_LASTNAME)));
result.setAccountImageURL(c.getString(c.getColumnIndexOrThrow(
UsersInfoSchema.COLUMN_NAME_USER_ACCOUNT_IMAGE)));
c.moveToFirst();
result = DbToUserInfo(c);
}
//Close the cursor
c.close();
//Close the database
//db.close();
return result;
}
@ -208,10 +191,7 @@ class UsersInfosDbHelper {
String[] conditionArgs = {""+userID};
//Perform the request
int result = db.delete(UsersInfoSchema.TABLE_NAME, condition, conditionArgs);
//Close database
//db.close();
int result = db.delete(TABLE_NAME, condition, conditionArgs);
return result > 0;
}
@ -219,7 +199,7 @@ class UsersInfosDbHelper {
/**
* Update a user entry
*
* @param userInfo New informations about the user
* @param userInfo New information about the user
* @return True if the operation seems to be a success / false else
*/
private boolean update(UserInfo userInfo){
@ -228,10 +208,7 @@ class UsersInfosDbHelper {
//Prepare the request
//Set the new values
ContentValues newValues = new ContentValues();
newValues.put(UsersInfoSchema.COLUMN_NAME_USER_FIRSTNAME, userInfo.getFirstName());
newValues.put(UsersInfoSchema.COLUMN_NAME_USER_LASTNAME, userInfo.getLastName());
newValues.put(UsersInfoSchema.COLUMN_NAME_USER_ACCOUNT_IMAGE, userInfo.getAcountImageURL());
ContentValues newValues = UserInfoToDb(userInfo);
//Set the condition
String conditions = UsersInfoSchema.COLUMN_NAME_USER_ID + " = ?";
@ -241,10 +218,51 @@ class UsersInfosDbHelper {
//Perform the request
int result = db.update(UsersInfoSchema.TABLE_NAME, newValues, conditions, conditionArgs);
return db.update(TABLE_NAME, newValues, conditions, conditionArgs) > 0;
//db.close();
}
return result > 0;
/**
* Remove old user data
*/
private void clean(){
SQLiteDatabase db = dbHelper.getWritableDatabase();
String whereClauses = COLUMN_NAME_TIME_INSERT + " < ?";
String[] whereArgs = {(TimeUtils.time() - USER_INFO_MAX_AGE)+""};
db.delete(TABLE_NAME, whereClauses, whereArgs);
}
/**
* Turn user information object into database entry
*
* @param user Information about the user
* @return Generated database entry
*/
private ContentValues UserInfoToDb(UserInfo user){
ContentValues values = new ContentValues();
values.put(UsersInfoSchema.COLUMN_NAME_USER_ID, user.getId());
values.put(UsersInfoSchema.COLUMN_NAME_TIME_INSERT, TimeUtils.time());
values.put(UsersInfoSchema.COLUMN_NAME_USER_FIRSTNAME, user.getFirstName());
values.put(UsersInfoSchema.COLUMN_NAME_USER_LASTNAME, user.getLastName());
values.put(UsersInfoSchema.COLUMN_NAME_USER_ACCOUNT_IMAGE, user.getAcountImageURL());
return values;
}
/**
* Turn a database entry into a UserInfo object
*
* @param c The cursor to parse
* @return Generated user information
*/
private UserInfo DbToUserInfo(Cursor c){
UserInfo user = new UserInfo();
user.setId(c.getInt(c.getColumnIndexOrThrow(UsersInfoSchema.COLUMN_NAME_USER_ID)));
user.setFirstName(c.getString(c.getColumnIndexOrThrow(
UsersInfoSchema.COLUMN_NAME_USER_FIRSTNAME)));
user.setLastName(c.getString(c.getColumnIndexOrThrow(
UsersInfoSchema.COLUMN_NAME_USER_LASTNAME)));
user.setAccountImageURL(c.getString(c.getColumnIndexOrThrow(
UsersInfoSchema.COLUMN_NAME_USER_ACCOUNT_IMAGE)));
return user;
}
}