[Tux4kids-commits] r1287 - tux4kids-admin/trunk/libtux4kidsadmin

[Michał Świtakowski]

Author: swistakers-guest
Date: 2009-07-28 21:36:40 +0000 (Tue, 28 Jul 2009)
New Revision: 1287

Modified:
   tux4kids-admin/trunk/libtux4kidsadmin/schoolData.cpp
   tux4kids-admin/trunk/libtux4kidsadmin/schoolDatabase.cpp
   tux4kids-admin/trunk/libtux4kidsadmin/schoolDatabase_p.h
Log:
working students synchronization

Modified: tux4kids-admin/trunk/libtux4kidsadmin/schoolData.cpp
===================================================================
--- tux4kids-admin/trunk/libtux4kidsadmin/schoolData.cpp	2009-07-28 20:45:37 UTC (rev 1286)
+++ tux4kids-admin/trunk/libtux4kidsadmin/schoolData.cpp	2009-07-28 21:36:40 UTC (rev 1287)
@@ -23,6 +23,8 @@
 
 	if (!database.open(path + "/school_database.db")) {
 		status = SchoolData::InitializationError;
+	} else {
+		database.synchronizeStudents(students);
 	}
 }
 

Modified: tux4kids-admin/trunk/libtux4kidsadmin/schoolDatabase.cpp
===================================================================
--- tux4kids-admin/trunk/libtux4kidsadmin/schoolDatabase.cpp	2009-07-28 20:45:37 UTC (rev 1286)
+++ tux4kids-admin/trunk/libtux4kidsadmin/schoolDatabase.cpp	2009-07-28 21:36:40 UTC (rev 1287)
@@ -334,18 +334,90 @@
 	return result;
 }
 
-void SchoolDatabasePrivate::synchronizeStudents(const QList< QPointer<StudentDir> > &studentList)
+void SchoolDatabasePrivate::synchronizeStudents(const QList< QPointer<StudentDir> > &studentsList)
 {
 	QStringList existingStudents;
 
-	foreach(StudentDir *studentDir, studentList) {
+	foreach(StudentDir *studentDir, studentsList) {
 		existingStudents.append(studentDir->dirName());
 	}
 
+	QStringList databaseStudents = studentList();
 
+	QStringList toAddStudents = existingStudents;
+	foreach(QString profileName, databaseStudents) {
+		toAddStudents.removeOne(profileName);
+	}
+	qDebug() << toAddStudents;
+	QStringList toDeleteStudents = databaseStudents;
+	foreach(QString profileName, existingStudents) {
+		toDeleteStudents.removeOne(profileName);
+	}
+
+	db.transaction();
+
+	foreach(QString profileName, toAddStudents) {
+		QSqlQuery addStudent;
+		addStudent.prepare("INSERT INTO students(profile_name) VALUES(:profile_name);");
+		addStudent.bindValue(":profile_name", profileName);
+		addStudent.exec();
+		if (!addStudent.isActive()) {
+			error = true;
+			lastError = addStudent.lastError().text();
+			return;
+		}
+	}
+
+	foreach(QString profileName, toDeleteStudents) {
+		QSqlQuery deleteStudent;
+		deleteStudent.prepare("DELETE FROM students WHERE profile_name = :profile_name;");
+		deleteStudent.bindValue(":profile_name", profileName);
+		deleteStudent.exec();
+
+		if (!deleteStudent.isActive()) {
+			error = true;
+			lastError = deleteStudent.lastError().text();
+			return;
+		}
+	}
+
+	db.commit();
+
 }
 
+QStringList SchoolDatabasePrivate::studentList() const
+{
+	QStringList result;
 
+	if (!db.isOpen()) {
+		error = true;
+		lastError = QObject::tr("Database is not open");
+		return result;
+	}
+
+	QSqlQuery studentList;
+
+	error = false;
+
+	studentList.prepare("SELECT profile_name FROM students;");
+	studentList.exec();
+
+	if (!studentList.isActive()) {
+		error = true;
+		lastError = studentList.lastError().text();
+		return result;
+	}
+
+	QSqlRecord studentRec = studentList.record();
+
+	while (studentList.next()) {
+		QString profileName = studentList.value(studentRec.indexOf("profile_name")).toString();
+		result.append(profileName);
+	}
+	return result;
+}
+
+
 /************************ SchoolDatabase **************************/
 
 SchoolDatabase::SchoolDatabase(QObject *parent)

Modified: tux4kids-admin/trunk/libtux4kidsadmin/schoolDatabase_p.h
===================================================================
--- tux4kids-admin/trunk/libtux4kidsadmin/schoolDatabase_p.h	2009-07-28 20:45:37 UTC (rev 1286)
+++ tux4kids-admin/trunk/libtux4kidsadmin/schoolDatabase_p.h	2009-07-28 21:36:40 UTC (rev 1287)
@@ -28,6 +28,8 @@
 	QList<Class> classList() const;
 	QList<Teacher> teacherList() const;
 	void synchronizeStudents(const QList< QPointer<StudentDir> > &studentList);
+	QStringList studentList() const;
+
 	SchoolDatabase *q_ptr;
 
 	QSqlDatabase db;