[#163] feat: 어드민 관리 기능을 추가한다.

tecobrary-admin/src/main/java/com/woowacourse/tecobrary/admin/web/admin/AdminController.java

@@ -0,0 +1,33 @@
+package com.woowacourse.tecobrary.admin.web.admin;
+
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminCreateRequest;
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminCreateResponse;
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminSearchRequest;
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminSearchResponse;
+import com.woowacourse.tecobrary.admin.web.admin.service.AdminFacade;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.web.PageableDefault;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/api/admin")
+public class AdminController {
+
+    private final AdminFacade adminFacade;
+
+    @GetMapping
+    public Page<AdminSearchResponse> searchAdmin(@PageableDefault Pageable pageable,
+                                                 @Valid AdminSearchRequest request) {
+        return adminFacade.searchAdmin(pageable, request);
+    }
+
+    @PostMapping
+    public AdminCreateResponse createAdmin(@RequestBody AdminCreateRequest request) {
+        return adminFacade.createAdmin(request);
+    }
+}

tecobrary-admin/src/main/java/com/woowacourse/tecobrary/admin/web/admin/converter/AdminConverter.java

@@ -0,0 +1,26 @@
+package com.woowacourse.tecobrary.admin.web.admin.converter;
+
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminCreateResponse;
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminSearchResponse;
+import com.woowacourse.tecobrary.domain.admin.entity.Admin;
+import org.springframework.stereotype.Component;
+
+@Component
+public class AdminConverter {
+
+    public AdminSearchResponse convertToSearchResponse(Admin admin) {
+        return AdminSearchResponse.builder()
+                .id(admin.getId())
+                .email(admin.getEmail())
+                .name(admin.getName())
+                .role(admin.getRole().name())
+                .build();
+    }
+
+    public AdminCreateResponse convertToCreateResponse(Admin admin) {
+        return AdminCreateResponse.builder()
+                .id(admin.getId())
+                .email(admin.getEmail())
+                .build();
+    }
+}

tecobrary-admin/src/main/java/com/woowacourse/tecobrary/admin/web/admin/dto/AdminCreateRequest.java

@@ -0,0 +1,19 @@
+package com.woowacourse.tecobrary.admin.web.admin.dto;
+
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+@Getter
+@ToString
+public class AdminCreateRequest {
+
+    private String email;
+
+    public AdminCreateRequest(String email) {
+        this.email = email;
+    }
+}

tecobrary-admin/src/main/java/com/woowacourse/tecobrary/admin/web/admin/dto/AdminCreateResponse.java

@@ -0,0 +1,19 @@
+package com.woowacourse.tecobrary.admin.web.admin.dto;
+
+
+import lombok.*;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+@Getter
+@ToString
+public class AdminCreateResponse {
+
+    private Long id;
+    private String email;
+
+    @Builder
+    public AdminCreateResponse(Long id, String email) {
+        this.id = id;
+        this.email = email;
+    }
+}

tecobrary-admin/src/main/java/com/woowacourse/tecobrary/admin/web/admin/dto/AdminSearchRequest.java

@@ -0,0 +1,20 @@
+package com.woowacourse.tecobrary.admin.web.admin.dto;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+@Getter
+@ToString
+public class AdminSearchRequest {
+
+    private String email;
+    private String name;
+
+    public AdminSearchRequest(String email, String name) {
+        this.email = email;
+        this.name = name;
+    }
+}

tecobrary-admin/src/main/java/com/woowacourse/tecobrary/admin/web/admin/dto/AdminSearchResponse.java

@@ -0,0 +1,22 @@
+package com.woowacourse.tecobrary.admin.web.admin.dto;
+
+import lombok.*;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+@Getter
+@ToString
+public class AdminSearchResponse {
+
+    private Long id;
+    private String email;
+    private String name;
+    private String role;
+
+    @Builder
+    public AdminSearchResponse(Long id, String email, String name, String role) {
+        this.id = id;
+        this.email = email;
+        this.name = name;
+        this.role = role;
+    }
+}

tecobrary-admin/src/main/java/com/woowacourse/tecobrary/admin/web/admin/repository/AdminManageRepository.java

@@ -0,0 +1,36 @@
+package com.woowacourse.tecobrary.admin.web.admin.repository;
+
+import com.querydsl.core.QueryResults;
+import com.querydsl.jpa.JPQLQuery;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import com.woowacourse.tecobrary.domain.admin.entity.Admin;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageImpl;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.support.QuerydslRepositorySupport;
+import org.springframework.stereotype.Repository;
+
+import static com.woowacourse.tecobrary.domain.admin.entity.QAdmin.admin;
+
+@Repository
+public class AdminManageRepository extends QuerydslRepositorySupport {
+
+    private final JPAQueryFactory jpaQueryFactory;
+
+    public AdminManageRepository(JPAQueryFactory jpaQueryFactory) {
+        super(Admin.class);
+        this.jpaQueryFactory = jpaQueryFactory;
+    }
+
+    public Page<Admin> searchAdmin(Pageable pageable, AdminSearchClause clause) {
+        JPQLQuery<Admin> jpqlQuery = jpaQueryFactory.selectFrom(admin)
+                .where(clause.where())
+                .offset(pageable.getOffset())
+                .limit(pageable.getPageSize())
+                .orderBy(admin.id.asc());
+
+        QueryResults<Admin> queryResults = jpqlQuery.fetchResults();
+
+        return new PageImpl<>(queryResults.getResults(), pageable, queryResults.getTotal());
+    }
+}

tecobrary-admin/src/main/java/com/woowacourse/tecobrary/admin/web/admin/repository/AdminSearchClause.java

@@ -0,0 +1,49 @@
+package com.woowacourse.tecobrary.admin.web.admin.repository;
+
+
+import com.nimbusds.oauth2.sdk.util.StringUtils;
+import com.querydsl.core.types.Predicate;
+import com.querydsl.core.types.dsl.BooleanExpression;
+import lombok.Builder;
+
+import java.util.*;
+
+import static com.woowacourse.tecobrary.domain.admin.entity.QAdmin.admin;
+
+public class AdminSearchClause {
+
+    private String name;
+    private String email;
+
+    @Builder
+    public AdminSearchClause(String name, String email) {
+        this.name = name;
+        this.email = email;
+    }
+
+    Predicate[] where(Predicate... predicates) {
+        List<Predicate> result = new ArrayList<>(Arrays.asList(predicates));
+        result.addAll(Arrays.asList(
+                getNameExpression(),
+                getEmailExpression()
+        ));
+        return result.stream()
+                .filter(Objects::nonNull)
+                .toArray(Predicate[]::new);
+    }
+
+    private BooleanExpression getNameExpression() {
+        return Optional.ofNullable(name)
+                .filter(StringUtils::isNotBlank)
+                .map(admin.name::like)
+                .orElse(null);
+    }
+
+    private BooleanExpression getEmailExpression() {
+        return Optional.ofNullable(email)
+                .filter(StringUtils::isNotBlank)
+                .map(admin.email::like)
+                .orElse(null);
+    }
+
+}

tecobrary-admin/src/main/java/com/woowacourse/tecobrary/admin/web/admin/service/AdminFacade.java

@@ -0,0 +1,39 @@
+package com.woowacourse.tecobrary.admin.web.admin.service;
+
+import com.woowacourse.tecobrary.admin.web.admin.converter.AdminConverter;
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminCreateRequest;
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminCreateResponse;
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminSearchRequest;
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminSearchResponse;
+import com.woowacourse.tecobrary.domain.admin.entity.Admin;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageImpl;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+public class AdminFacade {
+
+    private final AdminService adminService;
+    private final AdminConverter adminConverter;
+
+    public Page<AdminSearchResponse> searchAdmin(Pageable pageable, AdminSearchRequest request) {
+        Page<Admin> admins = adminService.searchAdmin(pageable, request);
+
+        List<AdminSearchResponse> dtos = admins.stream()
+                .map(adminConverter::convertToSearchResponse)
+                .collect(Collectors.toList());
+
+        return new PageImpl<>(dtos, pageable, admins.getTotalElements());
+    }
+
+    public AdminCreateResponse createAdmin(AdminCreateRequest request) {
+        Admin admin = adminService.createAdmin(request);
+        return adminConverter.convertToCreateResponse(admin);
+    }
+}

tecobrary-admin/src/main/java/com/woowacourse/tecobrary/admin/web/admin/service/AdminService.java

@@ -0,0 +1,40 @@
+package com.woowacourse.tecobrary.admin.web.admin.service;
+
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminCreateRequest;
+import com.woowacourse.tecobrary.admin.web.admin.dto.AdminSearchRequest;
+import com.woowacourse.tecobrary.admin.web.admin.repository.AdminManageRepository;
+import com.woowacourse.tecobrary.admin.web.admin.repository.AdminSearchClause;
+import com.woowacourse.tecobrary.domain.admin.entity.Admin;
+import com.woowacourse.tecobrary.domain.admin.entity.AdminRole;
+import com.woowacourse.tecobrary.domain.admin.repository.AdminRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class AdminService {
+
+    private final AdminRepository adminRepository;
+    private final AdminManageRepository adminManageRepository;
+
+    public Page<Admin> searchAdmin(Pageable pageable, AdminSearchRequest request) {
+        AdminSearchClause clause = AdminSearchClause.builder()
+                .name(request.getName())
+                .email(request.getEmail())
+                .build();
+
+        return adminManageRepository.searchAdmin(pageable, clause);
+    }
+
+    public Admin createAdmin(AdminCreateRequest request) {
+        Admin admin = Admin.builder()
+                .email(request.getEmail())
+                .name("임시 이름")
+                .picture("임시 picture")
+                .build();
+        admin.updateRole(AdminRole.ROLE_ADMIN);
+        return adminRepository.save(admin);
+    }
+}

tecobrary-domain/src/main/java/com/woowacourse/tecobrary/domain/admin/entity/Admin.java

@@ -41,4 +41,9 @@ public Admin updateUserInfo(String name, String picture) {
         this.picture = picture;
         return this;
     }
+
+    public Admin updateRole(AdminRole role) {
+        this.role = role;
+        return this;
+    }
 }