Initial commit

data/sql/halls_repository.cpp

@@ -0,0 +1,99 @@
+#include "halls_repository.h"
+
+#include "create_hall_request.h"
+#include "hall_dto.h"
+#include "repository_result.h"
+#include "update_hall_request.h"
+#include <QSqlError>
+#include <QSqlQuery>
+
+HallsRepository::HallsRepository(QSqlDatabase &database, QObject *parent)
+    : BaseSqlTableRepository(database, parent) {}
+
+RepositoryResult HallsRepository::createHall(const CreateHallRequest &request) {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("INSERT INTO halls (hall_name, capacity) VALUES "
+                "(:hall_name, :capacity)");
+  query.bindValue(":hall_name", request.hallName());
+  query.bindValue(":capacity", request.capacity());
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  emit dataCreated();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult HallsRepository::getHallById(qint32 id, HallDTO &hall) const {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare(
+      "SELECT hall_id, hall_name, capacity FROM halls WHERE hall_id = :id");
+  query.bindValue(":id", id);
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+  if (!query.next()) {
+    return RepositoryResult::failureResult("Hall not found");
+  }
+
+  hall = mapQueryToDTO(query);
+
+  emit dataRetrieved();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult HallsRepository::getAllHalls(QVector<HallDTO> &halls) const {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("SELECT hall_id, hall_name, capacity FROM halls");
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  while (query.next()) {
+    halls.append(mapQueryToDTO(query));
+  }
+
+  emit dataRetrieved();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult HallsRepository::updateHall(const UpdateHallRequest &request) {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("UPDATE halls SET hall_name = :hall_name, capacity = :capacity "
+                "WHERE hall_id = :hall_id");
+  query.bindValue(":capacity", request.capacity());
+  query.bindValue(":hall_id", request.hallId());
+  query.bindValue(":hall_name", request.hallName());
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  emit dataUpdated();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult HallsRepository::deleteHallById(qint32 hallId) {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("DELETE FROM halls WHERE hall_id = :hall_id");
+  query.bindValue(":hall_id", hallId);
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  emit dataDeleted();
+  return RepositoryResult::successResult();
+}
+
+HallDTO HallsRepository::mapQueryToDTO(const QSqlQuery &query) const {
+  HallDTO hallDTO;
+  hallDTO.setCapacity(query.value("capacity").toInt());
+  hallDTO.setHallId(query.value("hall_id").toInt());
+  hallDTO.setHallName(query.value("hall_name").toString());
+
+  return hallDTO;
+}