Initial commit

data/sql/movies_repository.cpp

@@ -0,0 +1,106 @@
+#include "movies_repository.h"
+
+#include "create_movie_request.h"
+#include "movie_dto.h"
+#include "repository_result.h"
+#include "update_movie_request.h"
+#include <QSqlError>
+#include <QSqlQuery>
+
+MoviesRepository::MoviesRepository(QSqlDatabase &database, QObject *parent)
+    : BaseSqlTableRepository(database, parent) {}
+
+RepositoryResult
+MoviesRepository::createMovie(const CreateMovieRequest &request) {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("INSERT INTO movies (title, genre_id, duration) VALUES "
+                "(:title, :genre_id, :duration)");
+  query.bindValue(":title", request.title());
+  query.bindValue(":genre_id", request.genreId());
+  query.bindValue(":duration", request.duration());
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  emit dataCreated();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult
+MoviesRepository::getAllMovies(QVector<MovieDTO> &movies) const {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("SELECT movie_id, title, genre_id, duration FROM movies");
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  while (query.next()) {
+    movies.append(mapQueryToDTO(query));
+  }
+
+  emit dataRetrieved();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult MoviesRepository::getMovieById(qint32 id,
+                                                MovieDTO &movie) const {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("SELECT movie_id, title, genre_id, duration FROM movies WHERE "
+                "movie_id = :id");
+  query.bindValue(":id", id);
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+  if (!query.next()) {
+    return RepositoryResult::failureResult("Movie not found");
+  }
+
+  movie = mapQueryToDTO(query);
+
+  emit dataRetrieved();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult
+MoviesRepository::updateMovie(const UpdateMovieRequest &request) {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("UPDATE movies SET title = :title, genre_id = :genre_id, "
+                "duration = :duration WHERE movie_id = :id");
+  query.bindValue(":duration", request.duration());
+  query.bindValue(":genre_id", request.genreId());
+  query.bindValue(":id", request.movieId());
+  query.bindValue(":title", request.title());
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  emit dataUpdated();
+  return RepositoryResult::successResult();
+}
+
+RepositoryResult MoviesRepository::deleteMovieById(qint32 movieId) {
+  QSqlQuery query = foreignKeysOnQuery();
+  query.prepare("DELETE FROM movies WHERE movie_id = :id");
+  query.bindValue(":id", movieId);
+
+  if (!query.exec()) {
+    return RepositoryResult::failureResult(query.lastError().text());
+  }
+
+  emit dataDeleted();
+  return RepositoryResult::successResult();
+}
+
+MovieDTO MoviesRepository::mapQueryToDTO(const QSqlQuery &query) const {
+  MovieDTO movieDTO;
+  movieDTO.setDuration(query.value("duration").toInt());
+  movieDTO.setGenreId(query.value("genre_id").toInt());
+  movieDTO.setMovieId(query.value("movie_id").toInt());
+  movieDTO.setTitle(query.value("title").toString());
+
+  return movieDTO;
+}