/**
* Updates or insert a new a category
*
* @param category Category to be updated or inserted
* @return Rows affected or new inserted category id
*/
public Category updateCategory(Category category) {
ContentValues values = new ContentValues();
values.put(
KEY_CATEGORY_ID,
category.getId() != null ? category.getId() : Calendar.getInstance().getTimeInMillis());
values.put(KEY_CATEGORY_NAME, category.getName());
values.put(KEY_CATEGORY_DESCRIPTION, category.getDescription());
values.put(KEY_CATEGORY_COLOR, category.getColor());
getDatabase(true)
.insertWithOnConflict(
TABLE_CATEGORY, KEY_CATEGORY_ID, values, SQLiteDatabase.CONFLICT_REPLACE);
return category;
}
public int getCategorizedCount(Category category) {
int count = 0;
String sql =
"SELECT COUNT(*)"
+ " FROM "
+ TABLE_NOTES
+ " WHERE "
+ KEY_CATEGORY
+ " = "
+ category.getId();
Cursor cursor = null;
try {
cursor = getDatabase().rawQuery(sql, null);
// Looping through all rows and adding to list
if (cursor.moveToFirst()) {
count = cursor.getInt(0);
}
} finally {
if (cursor != null) cursor.close();
}
return count;
}
/**
* Deletion of a category
*
* @param category Category to be deleted
* @return Number 1 if category's record has been deleted, 0 otherwise
*/
public long deleteCategory(Category category) {
long deleted;
SQLiteDatabase db = getDatabase(true);
// Un-categorize notes associated with this category
ContentValues values = new ContentValues();
values.put(KEY_CATEGORY, "");
// Updating row
db.update(
TABLE_NOTES,
values,
KEY_CATEGORY + " = ?",
new String[] {String.valueOf(category.getId())});
// Delete category
deleted =
db.delete(
TABLE_CATEGORY,
KEY_CATEGORY_ID + " = ?",
new String[] {String.valueOf(category.getId())});
return deleted;
}