From 42791baae93dd1af46970dd4c84f2ec27d4e76a0 Mon Sep 17 00:00:00 2001
From: Dominika Zemanovicova <xzemanov@fi.muni.cz>
Date: Thu, 23 Mar 2023 12:36:52 +0100
Subject: [PATCH] Add QuestionRepository and QuestionRepositoryImpl
---
.../question/QuestionRepository.java | 20 +++++++++++
.../question/QuestionRepositoryImpl.java | 36 +++++++++++++++++++
2 files changed, 56 insertions(+)
create mode 100644 application/module-exercise/src/main/java/org/fuseri/moduleexercise/question/QuestionRepository.java
create mode 100644 application/module-exercise/src/main/java/org/fuseri/moduleexercise/question/QuestionRepositoryImpl.java
diff --git a/application/module-exercise/src/main/java/org/fuseri/moduleexercise/question/QuestionRepository.java b/application/module-exercise/src/main/java/org/fuseri/moduleexercise/question/QuestionRepository.java
new file mode 100644
index 00000000..0f924cd5
--- /dev/null
+++ b/application/module-exercise/src/main/java/org/fuseri/moduleexercise/question/QuestionRepository.java
@@ -0,0 +1,20 @@
+package org.fuseri.moduleexercise.question;
+
+import org.fuseri.moduleexercise.common.DomainRepository;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+
+/**
+ * A repository interface for managing Question entities
+ */
+public interface QuestionRepository extends DomainRepository<Question, String> {
+
+ /**
+ * Find a page of questions associated with the exercise with the specified ID
+ *
+ * @param exerciseId the ID of the exercise to find questions for
+ * @param pageRequest the page request specifying the page number and page size
+ * @return a page of questions associated with the specified exercise
+ */
+ Page<Question> findByExerciseId(String exerciseId, PageRequest pageRequest);
+}
\ No newline at end of file
diff --git a/application/module-exercise/src/main/java/org/fuseri/moduleexercise/question/QuestionRepositoryImpl.java b/application/module-exercise/src/main/java/org/fuseri/moduleexercise/question/QuestionRepositoryImpl.java
new file mode 100644
index 00000000..7085bca8
--- /dev/null
+++ b/application/module-exercise/src/main/java/org/fuseri/moduleexercise/question/QuestionRepositoryImpl.java
@@ -0,0 +1,36 @@
+package org.fuseri.moduleexercise.question;
+
+import org.fuseri.moduleexercise.common.DomainRepositoryImpl;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageImpl;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+/**
+ * An implementation of the QuestionRepository interface
+ * Provides access to Question entities stored in a data source
+ */
+@Repository
+public class QuestionRepositoryImpl extends DomainRepositoryImpl<Question, String> implements QuestionRepository {
+
+ /**
+ * Find a page of questions associated with the exercise with the specified ID
+ *
+ * @param exerciseId the ID of the exercise to find questions for
+ * @param pageRequest the page request specifying the page number and page size
+ * @return a page of questions associated with the specified exercise
+ */
+ @Override
+ public Page<Question> findByExerciseId(String exerciseId, PageRequest pageRequest) {
+ List<Question> filteredQuestions = getItems()
+ .stream()
+ .filter(e -> e.getExerciseId().equals(exerciseId))
+ .skip(pageRequest.getOffset())
+ .limit(pageRequest.getPageSize())
+ .toList();
+
+ return new PageImpl<>(filteredQuestions, pageRequest, filteredQuestions.size());
+ }
+}
--
GitLab