Create FeedbackResponse and FeedbackResponseComment entities

src/main/java/teammates/common/util/HibernateUtil.java

@@ -15,6 +15,8 @@
 import teammates.storage.sqlentity.Course;
 import teammates.storage.sqlentity.DeadlineExtension;
 import teammates.storage.sqlentity.FeedbackQuestion;
+import teammates.storage.sqlentity.FeedbackResponse;
+import teammates.storage.sqlentity.FeedbackResponseComment;
 import teammates.storage.sqlentity.FeedbackSession;
 import teammates.storage.sqlentity.Instructor;
 import teammates.storage.sqlentity.Notification;
@@ -26,6 +28,7 @@
 import teammates.storage.sqlentity.User;
 import teammates.storage.sqlentity.questions.FeedbackNumericalScaleQuestion;
 import teammates.storage.sqlentity.questions.FeedbackTextQuestion;
+import teammates.storage.sqlentity.responses.FeedbackTextResponse;
 
 /**
  * Utility class for Hibernate related methods.
@@ -49,7 +52,11 @@ public final class HibernateUtil {
             FeedbackQuestion.class,
             FeedbackNumericalScaleQuestion.class,
             FeedbackTextQuestion.class,
-            DeadlineExtension.class);
+            DeadlineExtension.class,
+            FeedbackResponse.class,
+            FeedbackTextResponse.class,
+            FeedbackNumericalScaleQuestion.class,
+            FeedbackResponseComment.class);
 
     private HibernateUtil() {
         // Utility class

src/main/java/teammates/storage/sqlentity/BaseEntity.java

@@ -8,6 +8,7 @@
 
 import com.google.common.reflect.TypeToken;
 
+import teammates.common.datatransfer.FeedbackParticipantType;
 import teammates.common.util.JsonUtils;
 
 import jakarta.persistence.AttributeConverter;
@@ -100,4 +101,22 @@ public T convertToEntityAttribute(String dbData) {
             return JsonUtils.fromJson(dbData, new TypeToken<T>(){}.getType());
         }
     }
+
+    /**
+     * Attribute converter between FeedbackParticipantType and JSON.
+     */
+    @Converter
+    public static class FeedbackParticipantTypeConverter
+            extends JsonConverter<FeedbackParticipantType> {
+
+    }
+
+    /**
+     * Attribute converter between a list of FeedbackParticipantTypes and JSON.
+     */
+    @Converter
+    public static class FeedbackParticipantTypeListConverter
+            extends JsonConverter<List<FeedbackParticipantType>> {
+
+    }
 }

src/main/java/teammates/storage/sqlentity/FeedbackQuestion.java

@@ -15,7 +15,6 @@
 
 import jakarta.persistence.Column;
 import jakarta.persistence.Convert;
-import jakarta.persistence.Converter;
 import jakarta.persistence.Entity;
 import jakarta.persistence.EnumType;
 import jakarta.persistence.Enumerated;
@@ -24,6 +23,7 @@
 import jakarta.persistence.InheritanceType;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToMany;
 import jakarta.persistence.Table;
 
 /**
@@ -40,6 +40,9 @@ public abstract class FeedbackQuestion extends BaseEntity {
     @JoinColumn(name = "sessionId")
     private FeedbackSession feedbackSession;
 
+    @OneToMany(mappedBy = "feedbackQuestion")
+    private List<FeedbackResponse> feedbackResponses = new ArrayList<>();
+
     @Column(nullable = false)
     private Integer questionNumber;
 
@@ -137,6 +140,14 @@ public void setFeedbackSession(FeedbackSession feedbackSession) {
         this.feedbackSession = feedbackSession;
     }
 
+    public List<FeedbackResponse> getFeedbackResponses() {
+        return feedbackResponses;
+    }
+
+    public void setFeedbackResponses(List<FeedbackResponse> feedbackResponses) {
+        this.feedbackResponses = feedbackResponses;
+    }
+
     public Integer getQuestionNumber() {
         return questionNumber;
     }
@@ -255,11 +266,5 @@ public boolean equals(Object other) {
             return false;
         }
     }
-
-    @Converter
-    private static class FeedbackParticipantTypeListConverter
-            extends JsonConverter<List<FeedbackParticipantType>> {
-
-    }
 }
 

src/main/java/teammates/storage/sqlentity/FeedbackResponse.java

@@ -0,0 +1,185 @@
+package teammates.storage.sqlentity;
+
+import java.time.Instant;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
+
+import org.hibernate.annotations.UpdateTimestamp;
+
+import teammates.common.datatransfer.questions.FeedbackQuestionType;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Convert;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Inheritance;
+import jakarta.persistence.InheritanceType;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.OneToOne;
+import jakarta.persistence.Table;
+
+/**
+ * Represents a Feedback Response.
+ */
+@Entity
+@Table(name = "FeedbackReponses")
+@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
+public abstract class FeedbackResponse extends BaseEntity {
+    @Id
+    private UUID id;
+
+    @ManyToOne
+    @JoinColumn(name = "questionId")
+    private FeedbackQuestion feedbackQuestion;
+
+    @Column(nullable = false)
+    @Convert(converter = FeedbackParticipantTypeConverter.class)
+    private FeedbackQuestionType type;
+
+    @OneToMany(mappedBy = "feedbackResponse")
+    private List<FeedbackResponseComment> feedbackResponseComments = new ArrayList<>();
+
+    @Column(nullable = false)
+    private String giver;
+
+    @OneToOne
+    @JoinColumn(name = "giverSectionId")
+    private Section giverSection;
+
+    @Column(nullable = false)
+    private String receiver;
+
+    @OneToOne
+    @JoinColumn(name = "receiverSectionId")
+    private Section receiverSection;
+
+    @UpdateTimestamp
+    private Instant updatedAt;
+
+    protected FeedbackResponse() {
+        // required by Hibernate
+    }
+
+    public FeedbackResponse(
+            FeedbackQuestion feedbackQuestion, FeedbackQuestionType type, String giver,
+            Section giverSection, String receiver, Section receiverSection
+    ) {
+        this.setFeedbackQuestion(feedbackQuestion);
+        this.setFeedbackQuestionType(type);
+        this.setGiver(giver);
+        this.setGiverSection(giverSection);
+        this.setReceiver(receiver);
+        this.setReceiverSection(receiverSection);
+    }
+
+    public UUID getId() {
+        return id;
+    }
+
+    public void setId(UUID id) {
+        this.id = id;
+    }
+
+    public FeedbackQuestion getFeedbackQuestion() {
+        return feedbackQuestion;
+    }
+
+    public void setFeedbackQuestion(FeedbackQuestion feedbackQuestion) {
+        this.feedbackQuestion = feedbackQuestion;
+    }
+
+    public FeedbackQuestionType getFeedbackQuestionType() {
+        return type;
+    }
+
+    public void setFeedbackQuestionType(FeedbackQuestionType type) {
+        this.type = type;
+    }
+
+    public List<FeedbackResponseComment> getFeedbackResponseComments() {
+        return feedbackResponseComments;
+    }
+
+    public void setFeedbackResponseComments(List<FeedbackResponseComment> feedbackResponseComments) {
+        this.feedbackResponseComments = feedbackResponseComments;
+    }
+
+    public String getGiver() {
+        return giver;
+    }
+
+    public void setGiver(String giver) {
+        this.giver = giver;
+    }
+
+    public Section getGiverSection() {
+        return giverSection;
+    }
+
+    public void setGiverSection(Section giverSection) {
+        this.giverSection = giverSection;
+    }
+
+    public String getReceiver() {
+        return receiver;
+    }
+
+    public void setReceiver(String receiver) {
+        this.receiver = receiver;
+    }
+
+    public Section getReceiverSection() {
+        return receiverSection;
+    }
+
+    public void setReceiverSection(Section receiverSection) {
+        this.receiverSection = receiverSection;
+    }
+
+    public Instant getUpdatedAt() {
+        return updatedAt;
+    }
+
+    public void setUpdatedAt(Instant updatedAt) {
+        this.updatedAt = updatedAt;
+    }
+
+    @Override
+    public List<String> getInvalidityInfo() {
+        /*
+        * The old FeedbackResponse checks invalidity info for courseId and sessionName,
+        * which do not exist on this new entity.
+        */
+        return new ArrayList<>();
+    }
+
+    @Override
+    public String toString() {
+        return "FeedbackResponse [id=" + id + ", giver=" + giver + ", receiver=" + receiver
+                + ", createdAt=" + getCreatedAt() + ", updatedAt=" + updatedAt + "]";
+    }
+
+    @Override
+    public int hashCode() {
+        // FeedbackQuestion ID uniquely identifies a Feedback Response.
+        return this.getId().hashCode();
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (other == null) {
+            return false;
+        } else if (this == other) {
+            return true;
+        } else if (this.getClass() == other.getClass()) {
+            FeedbackResponse otherResponse = (FeedbackResponse) other;
+            return Objects.equals(this.id, otherResponse.id);
+        } else {
+            return false;
+        }
+    }
+}