From 4a51ee7e5ec7d6a1e0a880b2edc7a315609f24a9 Mon Sep 17 00:00:00 2001
From: joowojr <joowojr@gmail.com>
Date: Fri, 7 Feb 2025 11:45:47 +0900
Subject: [PATCH 1/4] =?UTF-8?q?CLAP-314=20Feat:=20=EC=83=88=EB=A1=9C?=
 =?UTF-8?q?=EC=9A=B4=20=EB=B9=84=EB=B0=80=EB=B2=88=ED=98=B8=20=EC=9E=AC?=
 =?UTF-8?q?=EC=84=A4=EC=A0=95=20=EC=97=94=EB=93=9C=ED=8F=AC=EC=9D=B8?=
 =?UTF-8?q?=ED=8A=B8=20=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

<footer>
- 관련: #387
---
 .../clap/server/adapter/inbound/security/WebSecurityUrl.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/clap/server/adapter/inbound/security/WebSecurityUrl.java b/src/main/java/clap/server/adapter/inbound/security/WebSecurityUrl.java
index d4cf2dd7..398db74d 100644
--- a/src/main/java/clap/server/adapter/inbound/security/WebSecurityUrl.java
+++ b/src/main/java/clap/server/adapter/inbound/security/WebSecurityUrl.java
@@ -13,6 +13,6 @@ private WebSecurityUrl() {
             "/swagger-ui/**", "/swagger"
     };
     public static final String REISSUANCE_ENDPOINT = "/api/auths/reissuance";
-    public static final String PASSWORD_EMAIL_ENDPOINT = "/api/verifications/**";
+    public static final String PASSWORD_EMAIL_ENDPOINT = "/api/new-password";
     public static final String TEMPORARY_TOKEN_ALLOWED_ENDPOINT = "/api/members/initial-password";
 }

From e6ae9cd59976c29ff1ad7a237bbbf9a92f9e2c99 Mon Sep 17 00:00:00 2001
From: joowojr <joowojr@gmail.com>
Date: Fri, 7 Feb 2025 11:46:24 +0900
Subject: [PATCH 2/4] =?UTF-8?q?CLAP-314=20Docs:=20=EC=82=AC=EC=9A=A9?=
 =?UTF-8?q?=EB=90=98=EC=A7=80=20=EC=95=8A=EB=8A=94=20api=20@Deprecated=20?=
 =?UTF-8?q?=EC=A0=84=ED=99=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

<footer>
- 관련: #387
---
 .../web/{member => auth}/EmailVerificationController.java | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
 rename src/main/java/clap/server/adapter/inbound/web/{member => auth}/EmailVerificationController.java (84%)

diff --git a/src/main/java/clap/server/adapter/inbound/web/member/EmailVerificationController.java b/src/main/java/clap/server/adapter/inbound/web/auth/EmailVerificationController.java
similarity index 84%
rename from src/main/java/clap/server/adapter/inbound/web/member/EmailVerificationController.java
rename to src/main/java/clap/server/adapter/inbound/web/auth/EmailVerificationController.java
index 9d3a443a..9780e490 100644
--- a/src/main/java/clap/server/adapter/inbound/web/member/EmailVerificationController.java
+++ b/src/main/java/clap/server/adapter/inbound/web/auth/EmailVerificationController.java
@@ -1,7 +1,7 @@
-package clap.server.adapter.inbound.web.member;
+package clap.server.adapter.inbound.web.auth;
 
-import clap.server.adapter.inbound.web.dto.member.response.SendVerificationCodeRequest;
-import clap.server.adapter.inbound.web.dto.member.response.VerifyCodeRequest;
+import clap.server.adapter.inbound.web.dto.member.request.SendVerificationCodeRequest;
+import clap.server.adapter.inbound.web.dto.member.request.VerifyCodeRequest;
 import clap.server.application.port.inbound.member.SendVerificationEmailUsecase;
 import clap.server.application.port.inbound.member.VerifyEmailCodeUsecase;
 import clap.server.common.annotation.architecture.WebAdapter;
@@ -20,12 +20,14 @@ public class EmailVerificationController {
     private final SendVerificationEmailUsecase sendVerificationEmailUsecase;
     private final VerifyEmailCodeUsecase verifyEmailCodeUsecase;
 
+    @Deprecated
     @Operation(summary = "인증번호 전송 API")
     @PostMapping("/verifications/email")
     public void sendVerificationEmail(@RequestBody SendVerificationCodeRequest request) {
         sendVerificationEmailUsecase.sendVerificationCode(request);
     }
 
+    @Deprecated
     @Operation(summary = "인증번호 검증 API")
     @PostMapping("/verifications")
     public void sendVerificationEmail(@RequestBody VerifyCodeRequest request) {

From 4225048b48721496b243652e5bbefce1f1cefc0f Mon Sep 17 00:00:00 2001
From: joowojr <joowojr@gmail.com>
Date: Fri, 7 Feb 2025 11:53:33 +0900
Subject: [PATCH 3/4] =?UTF-8?q?CLAP-314=20Feat:=20=EC=83=88=20=EB=B9=84?=
 =?UTF-8?q?=EB=B0=80=EB=B2=88=ED=98=B8=20=EC=9D=B4=EB=A9=94=EC=9D=BC=20?=
 =?UTF-8?q?=EC=A0=84=EC=86=A1=20API=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

<footer>
- 관련: #387
---
 .../request/SendInitialPasswordRequest.java   | 11 +++
 .../SendVerificationCodeRequest.java          |  2 +-
 .../VerifyCodeRequest.java                    |  2 +-
 .../web/member/ResetPasswordController.java   |  9 ++
 .../persistense/MemberPersistenceAdapter.java | 13 ++-
 .../repository/member/MemberRepository.java   |  2 +
 .../member/SendNewPasswordUsecase.java        |  7 ++
 .../member/SendVerificationEmailUsecase.java  |  2 +-
 .../member/VerifyEmailCodeUsecase.java        |  2 +-
 .../port/outbound/member/LoadMemberPort.java  |  6 +-
 .../service/admin/SendInvitationService.java  |  2 +-
 .../auth/EmailVerificationService.java        |  9 +-
 .../service/member/ResetPasswordService.java  | 25 +++++-
 .../utils/InitialPasswordGenerator.java       | 35 +++++---
 .../resources/templates/new-password.html     | 88 +++++++++++++++++++
 15 files changed, 182 insertions(+), 33 deletions(-)
 create mode 100644 src/main/java/clap/server/adapter/inbound/web/dto/member/request/SendInitialPasswordRequest.java
 rename src/main/java/clap/server/adapter/inbound/web/dto/member/{response => request}/SendVerificationCodeRequest.java (74%)
 rename src/main/java/clap/server/adapter/inbound/web/dto/member/{response => request}/VerifyCodeRequest.java (73%)
 create mode 100644 src/main/java/clap/server/application/port/inbound/member/SendNewPasswordUsecase.java
 create mode 100644 src/main/resources/templates/new-password.html

diff --git a/src/main/java/clap/server/adapter/inbound/web/dto/member/request/SendInitialPasswordRequest.java b/src/main/java/clap/server/adapter/inbound/web/dto/member/request/SendInitialPasswordRequest.java
new file mode 100644
index 00000000..6ffb8c89
--- /dev/null
+++ b/src/main/java/clap/server/adapter/inbound/web/dto/member/request/SendInitialPasswordRequest.java
@@ -0,0 +1,11 @@
+package clap.server.adapter.inbound.web.dto.member.request;
+
+import jakarta.validation.constraints.NotBlank;
+
+public record SendInitialPasswordRequest(
+        @NotBlank
+        String name,
+        @NotBlank
+        String email
+){
+}
diff --git a/src/main/java/clap/server/adapter/inbound/web/dto/member/response/SendVerificationCodeRequest.java b/src/main/java/clap/server/adapter/inbound/web/dto/member/request/SendVerificationCodeRequest.java
similarity index 74%
rename from src/main/java/clap/server/adapter/inbound/web/dto/member/response/SendVerificationCodeRequest.java
rename to src/main/java/clap/server/adapter/inbound/web/dto/member/request/SendVerificationCodeRequest.java
index c39abb58..c7c07367 100644
--- a/src/main/java/clap/server/adapter/inbound/web/dto/member/response/SendVerificationCodeRequest.java
+++ b/src/main/java/clap/server/adapter/inbound/web/dto/member/request/SendVerificationCodeRequest.java
@@ -1,4 +1,4 @@
-package clap.server.adapter.inbound.web.dto.member.response;
+package clap.server.adapter.inbound.web.dto.member.request;
 
 import jakarta.validation.constraints.NotBlank;
 
diff --git a/src/main/java/clap/server/adapter/inbound/web/dto/member/response/VerifyCodeRequest.java b/src/main/java/clap/server/adapter/inbound/web/dto/member/request/VerifyCodeRequest.java
similarity index 73%
rename from src/main/java/clap/server/adapter/inbound/web/dto/member/response/VerifyCodeRequest.java
rename to src/main/java/clap/server/adapter/inbound/web/dto/member/request/VerifyCodeRequest.java
index 3234168e..f7df8e2f 100644
--- a/src/main/java/clap/server/adapter/inbound/web/dto/member/response/VerifyCodeRequest.java
+++ b/src/main/java/clap/server/adapter/inbound/web/dto/member/request/VerifyCodeRequest.java
@@ -1,5 +1,5 @@
 
-package clap.server.adapter.inbound.web.dto.member.response;
+package clap.server.adapter.inbound.web.dto.member.request;
 
 import jakarta.validation.constraints.NotBlank;
 
diff --git a/src/main/java/clap/server/adapter/inbound/web/member/ResetPasswordController.java b/src/main/java/clap/server/adapter/inbound/web/member/ResetPasswordController.java
index 9d6f986d..95b68994 100644
--- a/src/main/java/clap/server/adapter/inbound/web/member/ResetPasswordController.java
+++ b/src/main/java/clap/server/adapter/inbound/web/member/ResetPasswordController.java
@@ -1,11 +1,13 @@
 package clap.server.adapter.inbound.web.member;
 
 import clap.server.adapter.inbound.security.service.SecurityUserDetails;
+import clap.server.adapter.inbound.web.dto.member.request.SendInitialPasswordRequest;
 import clap.server.adapter.inbound.web.dto.member.request.UpdateInitialPasswordRequest;
 import clap.server.adapter.inbound.web.dto.member.request.UpdatePasswordRequest;
 import clap.server.adapter.inbound.web.dto.member.request.VerifyPasswordRequest;
 import clap.server.application.port.inbound.member.ResetInitialPasswordUsecase;
 import clap.server.application.port.inbound.member.ResetPasswordUsecase;
+import clap.server.application.port.inbound.member.SendNewPasswordUsecase;
 import clap.server.application.port.inbound.member.VerifyPasswordUseCase;
 import clap.server.common.annotation.architecture.WebAdapter;
 import io.swagger.v3.oas.annotations.Operation;
@@ -23,6 +25,7 @@ public class ResetPasswordController {
     private final ResetPasswordUsecase resetPasswordUsecase;
     private final ResetInitialPasswordUsecase resetInitialPasswordUsecase;
     private final VerifyPasswordUseCase verifyPasswordUseCase;
+    private final SendNewPasswordUsecase sendNewPasswordUsecase;
 
     @Operation(summary = "초기 로그인 후 비밀번호 재설정 API")
     @PatchMapping("/members/initial-password")
@@ -45,4 +48,10 @@ public void verifyPassword(@AuthenticationPrincipal SecurityUserDetails userInfo
                               @RequestBody @Valid VerifyPasswordRequest request) {
         verifyPasswordUseCase.verifyPassword(userInfo.getUserId(), request.password());
     }
+
+    @Operation(summary = "비밀번호 재설정 이메일 전송 API")
+    @PostMapping("/new-password")
+    public void sendNewPasswordEmail(@RequestBody @Valid SendInitialPasswordRequest request) {
+        sendNewPasswordUsecase.sendInitialPassword(request);
+    }
 }
diff --git a/src/main/java/clap/server/adapter/outbound/persistense/MemberPersistenceAdapter.java b/src/main/java/clap/server/adapter/outbound/persistense/MemberPersistenceAdapter.java
index 26e19c8f..e6fbafbe 100644
--- a/src/main/java/clap/server/adapter/outbound/persistense/MemberPersistenceAdapter.java
+++ b/src/main/java/clap/server/adapter/outbound/persistense/MemberPersistenceAdapter.java
@@ -86,12 +86,6 @@ public List<Member> findActiveManagers() {
                 .collect(Collectors.toList());
     }
 
-    @Override
-    public int getRemainingTasks(Long memberId) {
-        List<TaskStatus> targetStatuses = List.of(TaskStatus.IN_PROGRESS, TaskStatus.IN_REVIEWING);
-        return findTasksByMemberIdAndStatus(memberId, targetStatuses).size();
-    }
-
     @Override
     public List<Task> findTasksByMemberIdAndStatus(Long memberId, List<TaskStatus> taskStatuses) {
         List<TaskEntity> taskEntities = taskRepository.findByProcessor_MemberIdAndTaskStatusIn(memberId, taskStatuses);
@@ -111,8 +105,13 @@ public Page<Member> findMembersWithFilter(Pageable pageable, FindMemberRequest f
     }
 
     @Override
-    public Optional<Member> findByNicknameOrEmail(String nickname, String email) {
+    public Optional<Member> findByNicknameAndEmail(String nickname, String email) {
         return memberRepository.findByNicknameAndEmail(nickname, email).map(memberPersistenceMapper::toDomain);
     }
+
+    @Override
+    public Optional<Member> findByNameAndEmail(String name, String email) {
+        return memberRepository.findByNameAndEmail(name, email).map(memberPersistenceMapper::toDomain);
+    }
 }
 
diff --git a/src/main/java/clap/server/adapter/outbound/persistense/repository/member/MemberRepository.java b/src/main/java/clap/server/adapter/outbound/persistense/repository/member/MemberRepository.java
index eb573737..4f608bd9 100644
--- a/src/main/java/clap/server/adapter/outbound/persistense/repository/member/MemberRepository.java
+++ b/src/main/java/clap/server/adapter/outbound/persistense/repository/member/MemberRepository.java
@@ -24,5 +24,7 @@ public interface MemberRepository extends JpaRepository<MemberEntity, Long>,  Me
     Optional<MemberEntity> findByMemberIdAndIsReviewerTrue(Long memberId);
 
     Optional<MemberEntity> findByNicknameAndEmail(String nickname, String email);
+
+    Optional<MemberEntity> findByNameAndEmail(String name, String email);
 }
 
diff --git a/src/main/java/clap/server/application/port/inbound/member/SendNewPasswordUsecase.java b/src/main/java/clap/server/application/port/inbound/member/SendNewPasswordUsecase.java
new file mode 100644
index 00000000..cf515718
--- /dev/null
+++ b/src/main/java/clap/server/application/port/inbound/member/SendNewPasswordUsecase.java
@@ -0,0 +1,7 @@
+package clap.server.application.port.inbound.member;
+
+import clap.server.adapter.inbound.web.dto.member.request.SendInitialPasswordRequest;
+
+public interface SendNewPasswordUsecase {
+    void sendInitialPassword(SendInitialPasswordRequest request);
+}
diff --git a/src/main/java/clap/server/application/port/inbound/member/SendVerificationEmailUsecase.java b/src/main/java/clap/server/application/port/inbound/member/SendVerificationEmailUsecase.java
index 1056b13f..5748520f 100644
--- a/src/main/java/clap/server/application/port/inbound/member/SendVerificationEmailUsecase.java
+++ b/src/main/java/clap/server/application/port/inbound/member/SendVerificationEmailUsecase.java
@@ -1,6 +1,6 @@
 package clap.server.application.port.inbound.member;
 
-import clap.server.adapter.inbound.web.dto.member.response.SendVerificationCodeRequest;
+import clap.server.adapter.inbound.web.dto.member.request.SendVerificationCodeRequest;
 
 public interface SendVerificationEmailUsecase {
     void sendVerificationCode(SendVerificationCodeRequest request);
diff --git a/src/main/java/clap/server/application/port/inbound/member/VerifyEmailCodeUsecase.java b/src/main/java/clap/server/application/port/inbound/member/VerifyEmailCodeUsecase.java
index 290b3d98..fe0441a9 100644
--- a/src/main/java/clap/server/application/port/inbound/member/VerifyEmailCodeUsecase.java
+++ b/src/main/java/clap/server/application/port/inbound/member/VerifyEmailCodeUsecase.java
@@ -1,6 +1,6 @@
 package clap.server.application.port.inbound.member;
 
-import clap.server.adapter.inbound.web.dto.member.response.VerifyCodeRequest;
+import clap.server.adapter.inbound.web.dto.member.request.VerifyCodeRequest;
 
 public interface VerifyEmailCodeUsecase {
     void verifyEmailCode(VerifyCodeRequest request);
diff --git a/src/main/java/clap/server/application/port/outbound/member/LoadMemberPort.java b/src/main/java/clap/server/application/port/outbound/member/LoadMemberPort.java
index e83a261b..972a5edd 100644
--- a/src/main/java/clap/server/application/port/outbound/member/LoadMemberPort.java
+++ b/src/main/java/clap/server/application/port/outbound/member/LoadMemberPort.java
@@ -21,8 +21,6 @@ public interface LoadMemberPort {
 
     List<Task> findTasksByMemberIdAndStatus(Long memberId, List<TaskStatus> taskStatuses);
 
-    int getRemainingTasks(Long memberId);
-
     Optional<Member> findReviewerById(Long id);
 
     Optional<Member> findByNickname(String nickname);
@@ -33,5 +31,7 @@ public interface LoadMemberPort {
 
     Page<Member> findMembersWithFilter(Pageable pageable, FindMemberRequest filterRequest, String sortDirection);
 
-    Optional<Member> findByNicknameOrEmail(String nickname, String email);
+    Optional<Member> findByNicknameAndEmail(String nickname, String email);
+
+    Optional<Member> findByNameAndEmail(String name, String email);
 }
diff --git a/src/main/java/clap/server/application/service/admin/SendInvitationService.java b/src/main/java/clap/server/application/service/admin/SendInvitationService.java
index 9bdee671..b17918f1 100644
--- a/src/main/java/clap/server/application/service/admin/SendInvitationService.java
+++ b/src/main/java/clap/server/application/service/admin/SendInvitationService.java
@@ -31,7 +31,7 @@ public void sendInvitation(SendInvitationRequest request) {
                 .orElseThrow(() -> new ApplicationException(MemberErrorCode.MEMBER_NOT_FOUND));
 
         // 초기 비밀번호 생성
-        String initialPassword = passwordGenerator.generateRandomPassword(8);
+        String initialPassword = passwordGenerator.generateRandomPassword();
         String encodedPassword = passwordEncoder.encode(initialPassword);
 
         // 회원 비밀번호 업데이트
diff --git a/src/main/java/clap/server/application/service/auth/EmailVerificationService.java b/src/main/java/clap/server/application/service/auth/EmailVerificationService.java
index d0212053..f44934f6 100644
--- a/src/main/java/clap/server/application/service/auth/EmailVerificationService.java
+++ b/src/main/java/clap/server/application/service/auth/EmailVerificationService.java
@@ -1,8 +1,7 @@
 package clap.server.application.service.auth;
 
-import clap.server.adapter.inbound.web.dto.member.response.SendVerificationCodeRequest;
-import clap.server.adapter.inbound.web.dto.member.response.VerifyCodeRequest;
-import clap.server.application.port.inbound.domain.MemberService;
+import clap.server.adapter.inbound.web.dto.member.request.SendVerificationCodeRequest;
+import clap.server.adapter.inbound.web.dto.member.request.VerifyCodeRequest;
 import clap.server.application.port.inbound.member.SendVerificationEmailUsecase;
 import clap.server.application.port.inbound.member.VerifyEmailCodeUsecase;
 import clap.server.application.port.outbound.auth.otp.CommandOtpPort;
@@ -22,7 +21,6 @@
 @ApplicationService
 @RequiredArgsConstructor
  public class EmailVerificationService implements SendVerificationEmailUsecase, VerifyEmailCodeUsecase {
-    private final MemberService memberService;
     private final LoadMemberPort loadMemberPort;
     private final SendEmailPort sendEmailPort;
     private final CommandOtpPort commandOtpPort;
@@ -31,7 +29,8 @@ public class EmailVerificationService implements SendVerificationEmailUsecase, V
     @Override
     @Transactional
     public void sendVerificationCode(SendVerificationCodeRequest request) {
-        Member member = loadMemberPort.findByNicknameOrEmail(request.nickname(), request.email())
+        Member member = loadMemberPort.
+                findByNicknameAndEmail(request.nickname(), request.email())
                 .orElseThrow(() -> new ApplicationException(MemberErrorCode.MEMBER_NOT_FOUND));
         String verificationCode = VerificationCodeGenerator.generateRandomCode();
         commandOtpPort.save(new Otp(member.getMemberInfo().getEmail(), verificationCode));
diff --git a/src/main/java/clap/server/application/service/member/ResetPasswordService.java b/src/main/java/clap/server/application/service/member/ResetPasswordService.java
index 4baad9b5..59ce3e39 100644
--- a/src/main/java/clap/server/application/service/member/ResetPasswordService.java
+++ b/src/main/java/clap/server/application/service/member/ResetPasswordService.java
@@ -1,11 +1,18 @@
 package clap.server.application.service.member;
 
+import clap.server.adapter.inbound.web.dto.member.request.SendInitialPasswordRequest;
 import clap.server.application.port.inbound.domain.MemberService;
 import clap.server.application.port.inbound.member.ResetInitialPasswordUsecase;
 import clap.server.application.port.inbound.member.ResetPasswordUsecase;
+import clap.server.application.port.inbound.member.SendNewPasswordUsecase;
+import clap.server.application.port.outbound.email.SendEmailPort;
 import clap.server.application.port.outbound.member.CommandMemberPort;
+import clap.server.application.port.outbound.member.LoadMemberPort;
 import clap.server.common.annotation.architecture.ApplicationService;
+import clap.server.common.utils.InitialPasswordGenerator;
 import clap.server.domain.model.member.Member;
+import clap.server.exception.ApplicationException;
+import clap.server.exception.code.MemberErrorCode;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.security.crypto.password.PasswordEncoder;
@@ -15,10 +22,13 @@
 @RequiredArgsConstructor
 @Transactional
 @Slf4j
-class ResetPasswordService implements ResetPasswordUsecase, ResetInitialPasswordUsecase {
+class ResetPasswordService implements ResetPasswordUsecase, ResetInitialPasswordUsecase, SendNewPasswordUsecase {
     private final MemberService memberService;
     private final PasswordEncoder passwordEncoder;
     private final CommandMemberPort commandMemberPort;
+    private final LoadMemberPort loadMemberPort;
+    private final InitialPasswordGenerator initialPasswordGenerator;
+    private final SendEmailPort sendEmailPort;
 
     @Override
     public void resetPassword(Long memberId, String inputPassword) {
@@ -34,4 +44,17 @@ public void resetPasswordAndActivateMember(Long memberId, String password) {
         member.resetPasswordAndActivateMember(passwordEncoder.encode(password));
         commandMemberPort.save(member);
     }
+
+    @Override
+    public void sendInitialPassword(SendInitialPasswordRequest request) {
+        Member member = loadMemberPort.findByNameAndEmail(request.name(), request.email())
+                .orElseThrow(
+                        () -> new ApplicationException(MemberErrorCode.MEMBER_NOT_FOUND));
+
+        String newPassword = initialPasswordGenerator.generateRandomPassword();
+        sendEmailPort.sendNewPasswordEmail(request.email(), request.name(), newPassword);
+        String encodedPassword = passwordEncoder.encode(newPassword);
+        member.resetPassword(encodedPassword);
+        commandMemberPort.save(member);
+    }
 }
diff --git a/src/main/java/clap/server/common/utils/InitialPasswordGenerator.java b/src/main/java/clap/server/common/utils/InitialPasswordGenerator.java
index 3e5ed23f..6973d0d7 100644
--- a/src/main/java/clap/server/common/utils/InitialPasswordGenerator.java
+++ b/src/main/java/clap/server/common/utils/InitialPasswordGenerator.java
@@ -1,28 +1,39 @@
 package clap.server.common.utils;
 
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
 import java.security.SecureRandom;
 @Component
 public class InitialPasswordGenerator {
-    @Value("${password.policy.characters:ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()}")
-    private String characters;
+    private static final String CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()";
+    private static final int UPPER = 0, LOWER = 26, DIGIT = 52, SPECIAL = 62;
+    private static final int PASSWORD_LENGTH = 8;
 
-    public String generateRandomPassword(int length) {
-        if (length <= 0) {
-            throw new IllegalArgumentException("Password length must be greater than 0");
+    private final SecureRandom random = new SecureRandom();
+
+    public String generateRandomPassword() {
+        char[] password = new char[PASSWORD_LENGTH];
+        int[] cases = {UPPER, LOWER, DIGIT, SPECIAL};
+
+        for (int i = 0; i < 4; i++) {
+            int start = cases[i];
+            int end = (i == 3) ? CHARS.length() : cases[i + 1];
+            password[i] = CHARS.charAt(start + random.nextInt(end - start));
         }
 
-        SecureRandom secureRandom = new SecureRandom();
-        StringBuilder password = new StringBuilder(length);
+        for (int i = 4; i < PASSWORD_LENGTH; i++) {
+            password[i] = CHARS.charAt(random.nextInt(CHARS.length()));
+        }
 
-        for (int i = 0; i < length; i++) {
-            int randomIndex = secureRandom.nextInt(characters.length());
-            password.append(characters.charAt(randomIndex));
+        for (int i = PASSWORD_LENGTH - 1; i > 0; i--) {
+            int j = random.nextInt(i + 1);
+            char temp = password[i];
+            password[i] = password[j];
+            password[j] = temp;
         }
 
-        return password.toString();
+        return new String(password);
     }
 }
 
+
diff --git a/src/main/resources/templates/new-password.html b/src/main/resources/templates/new-password.html
new file mode 100644
index 00000000..b71275b9
--- /dev/null
+++ b/src/main/resources/templates/new-password.html
@@ -0,0 +1,88 @@
+<!DOCTYPE html>
+<html lang="ko" xmlns:th="http://www.w3.org/1999/xhtml">
+<head>
+    <meta charset="UTF-8">
+    <title>[TaskFlow] 비밀번호 재설정 </title>
+    <style>
+        /* CSS 스타일 */
+        body {
+            font-family: Arial, sans-serif;
+            line-height: 1.6;
+            background-color: #f9f9f9;
+            margin: 0;
+            padding: 0;
+        }
+        .email-container {
+            max-width: 500px;
+            margin: 20px auto;
+            background: #ffffff;
+            border: 1px solid #eaeaea;
+            border-radius: 8px;
+            overflow: hidden;
+            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+        }
+        .header {
+            background-color: #7879EB;
+            color: #ffffff;
+            padding: 15px;
+            text-align: center;
+        }
+        .content {
+            padding: 20px;
+            color: #333333;
+        }
+        .content p {
+            margin: 10px 0;
+        }
+        .cta-button {
+            text-align: center;
+            margin: 20px 0;
+        }
+        .cta-button a {
+            background-color: #7879EB;
+            color: #ffffff;
+            text-decoration: none;
+            padding: 10px 20px;
+            border-radius: 5px;
+            font-weight: bold;
+        }
+        .cta-button a:hover {
+            background-color: #18181B;
+        }
+        .footer {
+            text-align: center;
+            padding: 10px;
+            font-size: 0.9em;
+            color: #777777;
+            background-color: #f4f4f4;
+            border-top: 1px solid #eaeaea;
+        }
+        .footer .taskflow {
+            font-size: 1.2em; /* 글자 크기 조정 */
+            font-weight: bold; /* 글자 굵게 */
+        }
+    </style>
+</head>
+<body>
+<div class="email-container">
+    <div class="header">
+        TaskFlow 비밀번호 재설정
+    </div>
+    <div class="content">
+        <p>안녕하세요, <strong th:text="${receiverName}"></strong>님!</p>
+        <p>TaskFlow 회원님의 비밀번호가 재설정되었습니다.</p>
+        <ul>
+            <li>비밀번호: <strong th:text="${newPassword}"></strong></li>
+        </ul>
+        <div class="cta-button">
+            <a href="https://example.com/login" target="_blank" th:href="${loginLink}">로그인 하러가기</a>
+        </div>
+    </div>
+    <div class="footer">
+        <span class="taskflow">TaskFlow</span><br>
+        스마트한 업무 관리를 위한<br>
+        "혁신적인 서비스"
+    </div>
+</div>
+</body>
+</html>

From 884e357b8ef28dd0880153a231e97b7569f80bd2 Mon Sep 17 00:00:00 2001
From: joowojr <joowojr@gmail.com>
Date: Fri, 7 Feb 2025 11:54:55 +0900
Subject: [PATCH 4/4] =?UTF-8?q?CLAP-314=20Feat:=20=EC=83=88=20=EB=B9=84?=
 =?UTF-8?q?=EB=B0=80=EB=B2=88=ED=98=B8=20=EC=9D=B4=EB=A9=94=EC=9D=BC=20?=
 =?UTF-8?q?=EC=A0=84=EC=86=A1=20=EB=A1=9C=EC=A7=81=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

<footer>
- 관련: #387
---
 .../adapter/outbound/api/EmailClient.java       | 17 +++++++++++++++++
 .../outbound/api/EmailTemplateBuilder.java      | 11 +++++++++++
 .../port/outbound/email/SendEmailPort.java      |  2 ++
 3 files changed, 30 insertions(+)

diff --git a/src/main/java/clap/server/adapter/outbound/api/EmailClient.java b/src/main/java/clap/server/adapter/outbound/api/EmailClient.java
index bcb335e0..00ab7452 100644
--- a/src/main/java/clap/server/adapter/outbound/api/EmailClient.java
+++ b/src/main/java/clap/server/adapter/outbound/api/EmailClient.java
@@ -70,5 +70,22 @@ public void sendVerificationEmail(String memberEmail, String receiverName, Strin
         }
     }
 
+    @Override
+    public void sendNewPasswordEmail(String memberEmail, String receiverName, String newPassword) {
+        try {
+            MimeMessage mimeMessage = mailSender.createMimeMessage();
+            MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
+
+            EmailTemplate template = emailTemplateBuilder.createNewPasswordTemplate(memberEmail, receiverName, newPassword);
+            helper.setTo(template.email());
+            helper.setSubject(template.subject());
+            helper.setText(template.body(), true);
+
+            mailSender.send(mimeMessage);
+        } catch (Exception e) {
+            throw new AdapterException(NotificationErrorCode.EMAIL_SEND_FAILED);
+        }
+    }
+
 
 }
\ No newline at end of file
diff --git a/src/main/java/clap/server/adapter/outbound/api/EmailTemplateBuilder.java b/src/main/java/clap/server/adapter/outbound/api/EmailTemplateBuilder.java
index f235f3af..4411e7de 100644
--- a/src/main/java/clap/server/adapter/outbound/api/EmailTemplateBuilder.java
+++ b/src/main/java/clap/server/adapter/outbound/api/EmailTemplateBuilder.java
@@ -82,4 +82,15 @@ public EmailTemplate createVerificationCodeTemplate(String receiver, String rece
         String body = templateEngine.process(templateName, context);
         return new EmailTemplate(receiver, subject, body);
     }
+
+    public EmailTemplate createNewPasswordTemplate(String receiver, String receiverName, String newPassword) {
+        Context context = new Context();
+        String templateName = "new-password";
+        String subject = "[TaskFlow] 비밀번호 재설정";
+        context.setVariable("loginLink", "http://localhost:5173/login");
+        context.setVariable("newPassword", newPassword);
+        context.setVariable("receiverName", receiverName);
+        String body = templateEngine.process(templateName, context);
+        return new EmailTemplate(receiver, subject, body);
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/clap/server/application/port/outbound/email/SendEmailPort.java b/src/main/java/clap/server/application/port/outbound/email/SendEmailPort.java
index 6cd8cf86..eedd1979 100644
--- a/src/main/java/clap/server/application/port/outbound/email/SendEmailPort.java
+++ b/src/main/java/clap/server/application/port/outbound/email/SendEmailPort.java
@@ -6,4 +6,6 @@ public interface SendEmailPort {
 
     void sendVerificationEmail(String memberEmail, String receiverName, String verificationCode);
 
+    void sendNewPasswordEmail(String memberEmail, String receiverName, String newPassword);
+
 }
\ No newline at end of file