�fix: 템플릿 추천 로직 수정 (#217)

* feat: 템플릿 추천 로직 구현

* chore: 템플릿 추천 로직 구현으로 인한 서비스 로직 수정

layer-api/src/main/java/org/layer/domain/form/controller/FormController.java

@@ -38,7 +38,7 @@ public ResponseEntity<RecommendFormResponseDto> getRecommendTemplate(
 		@Valid @ModelAttribute RecommendFormQueryDto queryDto,
 		@MemberId Long memberId) {
 
-		RecommendFormResponseDto response = formService.getRecommendTemplate(queryDto, memberId);
+		RecommendFormResponseDto response = formService.getRecommendTemplate(queryDto);
 		return ResponseEntity.ok().body(response);
 	}
 

layer-api/src/main/java/org/layer/domain/form/service/FormService.java

@@ -10,6 +10,8 @@
 import org.layer.domain.form.controller.dto.response.QuestionGetResponse;
 import org.layer.domain.form.controller.dto.response.RecommendFormResponseDto;
 import org.layer.domain.form.entity.Form;
+import org.layer.domain.form.entity.FormType;
+import org.layer.domain.form.enums.FormTag;
 import org.layer.domain.form.exception.FormException;
 import org.layer.domain.form.repository.FormRepository;
 import org.layer.domain.question.entity.Question;
@@ -44,9 +46,6 @@ public class FormService {
 	private final SpaceRepository spaceRepository;
 	private final TemplateMetadataRepository metadataRepository;
 
-	private static final int MIN = 10000;
-	private static final int MAX = 10005;
-
 	/**
 	 * 회고 폼 질문을 조회한다.
 	 *
@@ -72,13 +71,11 @@ public FormGetResponse getForm(Long formId, Long memberId) {
 		return FormGetResponse.of(form.getTitle(), form.getFormTag().getTag(), questionResponses);
 	}
 
-	public RecommendFormResponseDto getRecommendTemplate(RecommendFormQueryDto queryDto, Long memberId) {
-		Random random = new Random();
-		Long formId = random.nextLong(MAX - MIN + 1) + MIN;
+	public RecommendFormResponseDto getRecommendTemplate(RecommendFormQueryDto queryDto) {
+		FormTag recommandFormTag = FormTag.getRecommandFormTag(queryDto.purpose());
 
-		Form form = formRepository.findByIdOrThrow(formId);
-		TemplateMetadata metadata = metadataRepository.findByFormIdOrThrow(formId);
-		// TODO: 템플릿 이미지 필요
+		Form form = formRepository.findByFormTagAndFormTypeOrThrow(recommandFormTag, FormType.TEMPLATE);
+		TemplateMetadata metadata = metadataRepository.findByFormIdOrThrow(form.getId());
 
 		return RecommendFormResponseDto.of(form, metadata.getTemplateImageUrl());
 	}

layer-domain/src/main/java/org/layer/domain/form/enums/FormTag.java

@@ -1,18 +1,42 @@
 package org.layer.domain.form.enums;
 
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 
 @RequiredArgsConstructor
 @Getter
 public enum FormTag {
-    KPT("KPT"),
-    FIVE_F("5F"),
-    MAD_SAD_GLAD("Mad Sad Glad"),
-    SSC("SSC"),
-    PMI("PMI"),
-    UNTITLED("무제"),
-    CUSTOM("CUSTOM");
+	KPT("KPT"),
+	FIVE_F("5F"),
+	MAD_SAD_GLAD("Mad Sad Glad"),
+	SSC("SSC"),
+	PMI("PMI"),
+	UNTITLED("무제"),
+	CUSTOM("CUSTOM");
+
+	private final String tag;
+
+	public static FormTag getRecommandFormTag(List<RetrospectPurpose> retrospectPurposes) {
+		Map<FormTag, Integer> formTagIntegerMap = EnumSet.allOf(FormTag.class).stream()
+			.collect(Collectors.toMap(tag -> tag, tag -> 0));
+
+		retrospectPurposes.forEach(purpose -> {
+			formTagIntegerMap.put(KPT, formTagIntegerMap.get(KPT) + purpose.getKtpPoint());
+			formTagIntegerMap.put(FIVE_F, formTagIntegerMap.get(FIVE_F) + purpose.getFiveFPoint());
+			formTagIntegerMap.put(MAD_SAD_GLAD, formTagIntegerMap.get(MAD_SAD_GLAD) + purpose.getMadSadGladPoint());
+			formTagIntegerMap.put(SSC, formTagIntegerMap.get(SSC) +purpose.getSscPoint());
+			formTagIntegerMap.put(PMI, formTagIntegerMap.get(PMI) +purpose.getPmiPont());
+		});
 
-    private final String tag;
+		return formTagIntegerMap.entrySet()
+			.stream()
+			.max(Map.Entry.comparingByValue())
+			.map(Map.Entry::getKey)
+			.orElse(FormTag.UNTITLED);
+	}
 }

layer-domain/src/main/java/org/layer/domain/form/enums/RetrospectPurpose.java

@@ -1,5 +1,24 @@
 package org.layer.domain.form.enums;
 
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@Getter
 public enum RetrospectPurpose {
-	CHECK_PROGRESS, PERSONAL_GROWTH, TEAM_GROWTH, IMPROVE_COMMUNICATION, SHARE_EXPERIENCE, IMPROVE_PROBLEM, SHARE_EMOTION, STRATEGY_SETTING
+	CHECK_PROGRESS(1, 0, 0, 1, 0),
+	PERSONAL_GROWTH(1, 0, 0, 0, 0),
+	TEAM_GROWTH(1, 0, 1, 1, 1),
+	IMPROVE_COMMUNICATION(0, 0, 1, 0, 1),
+	SHARE_EXPERIENCE(0, 1, 0, 0, 1),
+	IMPROVE_PROBLEM(1, 1, 0, 0, 0),
+	SHARE_EMOTION(0, 1, 1, 0, 0),
+	STRATEGY_SETTING(1, 0, 0, 1, 0);
+
+	private final int ktpPoint;
+	private final int fiveFPoint;
+	private final int madSadGladPoint;
+	private final int sscPoint;
+	private final int pmiPont;
+
 }

layer-domain/src/main/java/org/layer/domain/form/repository/FormRepository.java

@@ -2,12 +2,14 @@
 
 import org.layer.domain.form.entity.Form;
 import org.layer.domain.form.entity.FormType;
+import org.layer.domain.form.enums.FormTag;
 import org.layer.domain.form.exception.FormException;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import java.util.List;
+import java.util.Optional;
 
 import static org.layer.common.exception.FormExceptionType.NOT_FOUND_FORM;
 
@@ -19,7 +21,12 @@ default Form findByIdOrThrow(Long formId) {
 
 	List<Form> findByFormTypeOrderById(FormType formType);
 
-	Page<Form> findAllByFormTypeOrderByIdDesc(Pageable pageable, FormType formType);
 	Page<Form> findAllByFormTypeAndSpaceIdOrderByIdDesc(Pageable pageable, FormType formType, Long spaceId);
 
+	Optional<Form> findByFormTagAndFormType(FormTag formTag, FormType formType);
+
+	default Form findByFormTagAndFormTypeOrThrow(FormTag formTag, FormType formType) {
+		return findByFormTagAndFormType(formTag, formType)
+			.orElseThrow(() -> new FormException(NOT_FOUND_FORM));
+	}
 }