feat: 비밀번호 찾기 기능 추가

src/main/java/com/integrated/techhub/member/application/MemberService.java

@@ -0,0 +1,23 @@
+package com.integrated.techhub.member.application;
+
+import com.integrated.techhub.auth.domain.PasswordEncoder;
+import com.integrated.techhub.member.domain.Member;
+import com.integrated.techhub.member.domain.repository.MemberRepository;
+import com.integrated.techhub.member.dto.MemberChangePasswordRequest;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class MemberService {
+
+    private final PasswordEncoder passwordEncoder;
+    private final MemberRepository memberRepository;
+
+    public void changePassword(final MemberChangePasswordRequest request) {
+        final Member member = memberRepository.getByEmail(request.email());
+
+        member.changeEncodedPassword(passwordEncoder, request.newPassword());
+    }
+
+}

src/main/java/com/integrated/techhub/member/domain/Member.java

@@ -52,6 +52,10 @@ public void encodePassword(final PasswordEncoder passwordEncoder) {
         this.password = passwordEncoder.encode(this.password);
     }
 
+    public void changeEncodedPassword(final PasswordEncoder passwordEncoder, final String newPassword) {
+        this.password = passwordEncoder.encode(newPassword);
+    }
+
     public void validateMatchPassword(final PasswordEncoder passwordEncoder, final String requestPassword) {
         if (!passwordEncoder.isMatch(requestPassword, this.password)) {
             throw new PasswordNotMatchException();

src/main/java/com/integrated/techhub/member/dto/MemberChangePasswordRequest.java

@@ -0,0 +1,29 @@
+package com.integrated.techhub.member.dto;
+
+import com.integrated.techhub.common.exception.ErrorCode;
+import com.integrated.techhub.common.exception.TechHubException;
+
+import static org.springframework.http.HttpStatus.BAD_REQUEST;
+
+public record MemberChangePasswordRequest(
+        String email,
+        String newPassword,
+        String checkPassword
+) {
+
+
+    public void validateSamePassword() {
+        if (!newPassword.equals(checkPassword)) {
+            throw new PasswordRequestNotMatchException();
+        }
+    }
+
+    public class PasswordRequestNotMatchException extends TechHubException {
+
+        public PasswordRequestNotMatchException() {
+            super(new ErrorCode(BAD_REQUEST, "비밀번호가 일치하지 않습니다. 같은 비밀번호인지 확인해주세요."));
+        }
+
+    }
+
+}

src/main/java/com/integrated/techhub/member/exception/PasswordNotMatchException.java

@@ -3,12 +3,12 @@
 import com.integrated.techhub.common.exception.ErrorCode;
 import com.integrated.techhub.common.exception.TechHubException;
 
-import static org.springframework.http.HttpStatus.FORBIDDEN;
+import static org.springframework.http.HttpStatus.UNAUTHORIZED;
 
 public class PasswordNotMatchException extends TechHubException {
 
     public PasswordNotMatchException() {
-        super(new ErrorCode(FORBIDDEN, "유저의 비밀번호가 일치하지 않습니다."));
+        super(new ErrorCode(UNAUTHORIZED, "유저의 비밀번호가 일치하지 않습니다."));
     }
 
 }

src/main/java/com/integrated/techhub/member/presentation/MemberController.java

@@ -0,0 +1,28 @@
+package com.integrated.techhub.member.presentation;
+
+import com.integrated.techhub.member.application.MemberService;
+import com.integrated.techhub.member.dto.MemberChangePasswordRequest;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PatchMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/members")
+public class MemberController {
+
+    private final MemberService memberService;
+
+    @PatchMapping("/password")
+    public ResponseEntity<Void> changePassword(
+            @RequestBody final MemberChangePasswordRequest request
+    ) {
+        request.validateSamePassword();
+        memberService.changePassword(request);
+        return ResponseEntity.ok().build();
+    }
+
+}