[DDING-125-1] 섹션 여러 개일 경우 폼지 생성 수정

src/main/java/ddingdong/ddingdongBE/domain/form/entity/Form.java

@@ -123,4 +123,8 @@ public void updateFormFields(List<FormField> updatedFormFields) {
     public void updateEndDate(LocalDate endDate) {
         this.endDate = endDate;
     }
+
+    public boolean isLargerSectionThan(int sectionSize) {
+        return this.sections.size() > sectionSize;
+    }
 }

src/main/java/ddingdong/ddingdongBE/domain/form/entity/FormField.java

@@ -13,6 +13,7 @@
 import jakarta.persistence.Id;
 import jakarta.persistence.ManyToOne;
 import java.util.List;
+import java.util.stream.Stream;
 import lombok.AccessLevel;
 import lombok.Builder;
 import lombok.Getter;
@@ -22,6 +23,8 @@
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @Getter
 public class FormField extends BaseEntity {
+    private static final String COMMON_SECTION = "공통";
+    private static final int SINGLE_SECTION_SIZE = 1;
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -95,4 +98,32 @@ public void update(FormField updatedField) {
         this.section = updatedField.getSection();
         this.options = updatedField.getOptions();
     }
+
+    public Stream<FormField> generateFormFieldsBySection(Form form) {
+        if (form.isLargerSectionThan(SINGLE_SECTION_SIZE)) {
+            return expandCommonSectionFormField(form);
+        }
+        return Stream.of(this);
+    }
+
+    private Stream<FormField> expandCommonSectionFormField(Form form) {
+        if (this.section.equals(COMMON_SECTION)) {
+            return form.getSections().stream()
+                    .filter(section -> !section.equals(COMMON_SECTION))
+                    .map(this::copyWithSection);
+        }
+        return Stream.of(this);
+    }
+
+    private FormField copyWithSection(String newSection) {
+        return FormField.builder()
+                .question(this.question)
+                .fieldType(this.fieldType)
+                .required(this.required)
+                .fieldOrder(this.fieldOrder)
+                .section(newSection)
+                .options(this.options)
+                .form(this.form)
+                .build();
+    }
 }

src/main/java/ddingdong/ddingdongBE/domain/form/service/FacadeCentralFormServiceImpl.java

@@ -67,7 +67,6 @@ public void createForm(CreateFormCommand createFormCommand) {
 
         Form form = createFormCommand.toEntity(club);
         Form savedForm = formService.create(form);
-
         List<FormField> formFields = toCreateFormFields(savedForm,
                 createFormCommand.formFieldCommands());
         formFieldService.createAll(formFields);
@@ -249,12 +248,15 @@ private void validateEndDate(LocalDate startDate, LocalDate endDate) {
     private List<FormField> toUpdateFormFields(Form originform,
             List<UpdateFormFieldCommand> updateFormFieldCommands) {
         return updateFormFieldCommands.stream()
-                .map(formFieldCommand -> formFieldCommand.toEntity(originform)).toList();
+                .map(formFieldCommand -> formFieldCommand.toEntity(originform))
+                .toList();
     }
 
     private List<FormField> toCreateFormFields(Form savedForm,
             List<CreateFormFieldCommand> createFormFieldCommands) {
         return createFormFieldCommands.stream()
-                .map(formFieldCommand -> formFieldCommand.toEntity(savedForm)).toList();
+                .map(formFieldCommand -> formFieldCommand.toEntity(savedForm))
+                .flatMap(formField -> formField.generateFormFieldsBySection(savedForm))
+                .toList();
     }
 }

src/main/java/ddingdong/ddingdongBE/domain/form/service/dto/command/CreateFormCommand.java

@@ -42,6 +42,19 @@ public FormField toEntity(Form savedForm) {
                     .form(savedForm)
                     .build();
         }
+
+        public FormField toEntityWithSection(Form savedForm, String section) {
+            return FormField.builder()
+                    .question(question)
+                    .fieldType(type)
+                    .options(options)
+                    .required(required)
+                    .fieldOrder(order)
+                    .section(section)
+                    .form(savedForm)
+                    .build();
+        }
+
     }
 
     public Form toEntity(Club club) {