feat(auth): implement login logic with database and password verification

- Replace stub with MyBatis-Plus user query and password matching
- Integrate kotlin-logging for structured logging across services
- Add custom Log utility replacing direct SLF4J usage
- Add kotlin-logging dependency to build configuration

build.gradle.kts

@@ -29,6 +29,7 @@ dependencies {
     implementation("com.baomidou:mybatis-plus-spring-boot4-starter:3.5.15")
     implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
     implementation("org.springframework.boot:spring-boot-starter-validation")
+    implementation("io.github.oshai:kotlin-logging-jvm:7.0.0")
     testImplementation("org.springframework.boot:spring-boot-starter-test")
     testImplementation("org.jetbrains.kotlin:kotlin-test-junit5")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")

src/main/kotlin/com/msksbr/bookmgr/controller/AuthController.kt

@@ -1,13 +1,16 @@
 package com.msksbr.bookmgr.controller
 
 import com.msksbr.bookmgr.dto.UserLoginDTO
+import com.msksbr.bookmgr.script.log
 import com.msksbr.bookmgr.service.AuthService
 import jakarta.servlet.http.HttpSession
 import org.springframework.web.bind.annotation.PostMapping
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RestController
 import com.msksbr.bookmgr.template.Result
+import jakarta.servlet.http.HttpServletRequest
 import jakarta.validation.Valid
+import org.springframework.web.bind.annotation.RequestBody
 
 /*
 * 登录接口
@@ -21,23 +24,35 @@ class AuthController(
     @PostMapping("/login")
     fun login(
         @Valid
+        @RequestBody
         loginDTO: UserLoginDTO,
-        session: HttpSession
+        session: HttpSession,
+        request: HttpServletRequest
     ) : Result<String> {
+        log.info("Login from ${request.remoteAddr} username: ${loginDTO.username}")
+        log.info("UA: ${request.getHeader("User-Agent")}")
         // 调用service验证
-        val success=authService.login(loginDTO)
-        return if (success) {
+        val pass=authService.login(loginDTO)
+        return if (pass) {
             // 登录成功，存入session
             session.setAttribute("loginUser", loginDTO.username)
+            log.info("Login success")
             Result.success("login success")
         }else{
+            log.info("Login failed")
             Result.error("username or password not match")
         }
     }
     @PostMapping("/logout")
-    fun logout(session: HttpSession): Result<String> {
+    fun logout(
+        session: HttpSession,
+        request:HttpServletRequest
+    ): Result<String> {
+        log.info("Logout from ${request.remoteAddr}")
+        log.info("UA: ${request.getHeader("User-Agent")}")
         // 直接销毁session
         session.invalidate()
+        log.info("Logout success")
         return Result.success("logout successfully")
     }
 }

src/main/kotlin/com/msksbr/bookmgr/dto/UserLoginDTO.kt

@@ -5,7 +5,7 @@ import jakarta.validation.constraints.NotBlank
 
 data class UserLoginDTO(
     @NotBlank(message = "username is required")
-    var username: String,
+    val username: String?,
     @NotBlank(message = "password is required")
-    var password: String
+    val password: String?
 )

src/main/kotlin/com/msksbr/bookmgr/runner/InitUserRunner.kt

@@ -3,7 +3,7 @@ package com.msksbr.bookmgr.runner
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper
 import com.msksbr.bookmgr.entity.User
 import com.msksbr.bookmgr.mapper.UserMapper
-import org.slf4j.LoggerFactory
+import com.msksbr.bookmgr.script.log
 import org.springframework.boot.ApplicationArguments
 import org.springframework.boot.ApplicationRunner
 import org.springframework.security.crypto.password.PasswordEncoder
@@ -15,45 +15,43 @@ class InitUserRunner(
     val passwordEncoder: PasswordEncoder,
     val userMapper: UserMapper,
 ) : ApplicationRunner {
-    private val logger = LoggerFactory.getLogger(InitUserRunner::class.java)
-
     // 添加注解，失败时可回滚
     @Transactional
     override fun run(args: ApplicationArguments) {
-        logger.info("Starting default user initialization")
-        logger.debug("Querying for admin user")
+        log.info("Starting default user initialization")
+        log.debug("Querying for admin user")
         val existsAdmin = userMapper.selectOne(
             QueryWrapper<User>()
                 .eq("username", "admin")
         )
         if (existsAdmin == null) {
-            logger.info("Admin user not found, creating...")
+            log.info("Admin user not found, creating...")
             insertAdmin()
         } else {
-            logger.debug("Admin user already exists, skipping")
+            log.debug("Admin user already exists, skipping")
         }
-        logger.debug("Querying for common user01")
+        log.debug("Querying for common user01")
         val existsUser01 = userMapper.selectOne(
             QueryWrapper<User>()
                 .eq("username", "user01")
         )
         if (existsUser01 == null) {
-            logger.info("Common user01 not found, creating...")
+            log.info("Common user01 not found, creating...")
             insertUser01()
         } else {
-            logger.debug("Common user01 already exists, skipping")
+            log.debug("Common user01 already exists, skipping")
         }
         val existsUser02=userMapper.selectOne(
             QueryWrapper<User>()
             .eq("username", "user02")
         )
         if (existsUser02 == null) {
-            logger.info("Common user02 not found, creating...")
+            log.info("Common user02 not found, creating...")
             insertUser02()
         }else{
-            logger.info("Common user02 already exists, skipping")
+            log.info("Common user02 already exists, skipping")
         }
-        logger.info("Default user initialization completed")
+        log.info("Default user initialization completed")
     }
 
     fun insertAdmin() {
@@ -63,9 +61,9 @@ class InitUserRunner(
             password = passwordEncoder.encode("admin")!!,
             role = "admin"
         )
-        logger.debug("Creating admin user: username={}, role={}", user.username, user.role)
+        log.debug("Creating admin user: username=${user.username}, role=${user.role}")
         userMapper.insert(user)
-        logger.info("Admin user created successfully")
+        log.info("Admin user created successfully")
     }
 
     fun insertUser01() {
@@ -75,9 +73,9 @@ class InitUserRunner(
             password = passwordEncoder.encode("user01")!!,
             role = "user"
         )
-        logger.debug("Creating common user: username={}, role={}", user.username, user.role)
+        log.debug("Creating common user: username=${user.username}, role=${user.role}")
         userMapper.insert(user)
-        logger.info("Common user created successfully")
+        log.info("Common user created successfully")
     }
     fun insertUser02() {
         val user = User(
@@ -86,8 +84,8 @@ class InitUserRunner(
             password = passwordEncoder.encode("user02")!!,
             role = "user"
         )
-        logger.debug("Creating common user: username={}, role={}", user.username, user.role)
+        log.debug("Creating common user: username=${user.username}, role=${user.role}")
         userMapper.insert(user)
-        logger.info("Common user created successfully")
+        log.info("Common user created successfully")
     }
 }

src/main/kotlin/com/msksbr/bookmgr/script/Log.kt

@@ -0,0 +1,7 @@
+package com.msksbr.bookmgr.script
+
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+
+val <T: Any> T.log: Logger
+    get() = LoggerFactory.getLogger(this::class.java)

src/main/kotlin/com/msksbr/bookmgr/service/impl/AuthServiceImpl.kt

@@ -1,12 +1,29 @@
 package com.msksbr.bookmgr.service.impl
 
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper
 import com.msksbr.bookmgr.dto.UserLoginDTO
+import com.msksbr.bookmgr.entity.User
+import com.msksbr.bookmgr.mapper.UserMapper
+import com.msksbr.bookmgr.script.log
 import com.msksbr.bookmgr.service.AuthService
+import org.springframework.security.crypto.password.PasswordEncoder
 import org.springframework.stereotype.Service
 
 @Service
-class AuthServiceImpl: AuthService {
+class AuthServiceImpl(private val userMapper: UserMapper, private val passwordEncoder: PasswordEncoder) : AuthService {
     override fun login(loginDTO: UserLoginDTO): Boolean {
-        TODO("Not yet implemented")
+        // 数据查询
+        log.debug("Select user{username=${loginDTO.username}} from database")
+        val user = userMapper.selectOne(
+            QueryWrapper<User>()
+                .eq("username", loginDTO.username)
+        )
+        // 找不到用户时直接返回false
+        if (user == null) {
+            log.debug("User ${loginDTO.username} does not exist")
+            return false
+        }
+        // 比对密码
+        return passwordEncoder.matches(loginDTO.password, user.password)
     }
 }