Initial commit

data/sql/roles_repository.cpp

@@ -0,0 +1,98 @@
+#include "roles_repository.h"
+
+#include "create_role_request.h"
+#include "repository_result.h"
+#include "role_dto.h"
+#include "update_role_request.h"
+#include <QSqlError>
+#include <QSqlQuery>
+
+RolesRepository::RolesRepository(QSqlDatabase &database, QObject *parent)
+    : BaseSqlTableRepository(database, parent) {}
+
+RepositoryResult RolesRepository::createRole(const CreateRoleRequest &request) {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("INSERT INTO roles (role_name, access_level) VALUES "
+                "(:role_name, :access_level)");
+  query.bindValue(":role_name", request.roleName());
+  query.bindValue(":access_level", request.accessLevel());
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  emit dataCreated();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult RolesRepository::getRoleById(qint32 id, RoleDTO &role) const {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("SELECT role_id, role_name, access_level FROM roles WHERE "
+                "role_id = :role_id");
+  query.bindValue(":role_id", id);
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+  if (!query.next()) {
+    return RepositoryResult::failureResult("Role not found");
+  }
+
+  role = mapQueryToDTO(query);
+
+  emit dataRetrieved();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult RolesRepository::getAllRoles(QVector<RoleDTO> &roles) const {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("SELECT role_id, role_name, access_level FROM roles");
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  while (query.next()) {
+    roles.append(mapQueryToDTO(query));
+  }
+
+  emit dataRetrieved();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult RolesRepository::updateRole(const UpdateRoleRequest &request) {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare(
+      "UPDATE roles SET role_name = :role_name WHERE role_id = :role_id");
+  query.bindValue(":role_name", request.roleName());
+  query.bindValue(":role_id", request.roleId());
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  emit dataUpdated();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult RolesRepository::deleteRoleById(qint32 roleId) {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("DELETE FROM roles WHERE role_id = :role_id");
+  query.bindValue(":role_id", roleId);
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  emit dataDeleted();
+  return RepositoryResult::successResult();
+}
+
+RoleDTO RolesRepository::mapQueryToDTO(const QSqlQuery &query) const {
+  RoleDTO roleDTO;
+  roleDTO.setAccessLevel(query.value("access_level").toInt());
+  roleDTO.setRoleId(query.value("role_id").toInt());
+  roleDTO.setRoleName(query.value("role_name").toString());
+
+  return roleDTO;
+}