增加留言表

增加创建留言，获取留言接口，和客户端对接。

resources/application.conf

@@ -8,7 +8,9 @@ ktor {
             jdbcUrl   = "jdbc:mysql://localhost:3306/csams"
             driverClassName = "com.mysql.cj.jdbc.Driver"
         }
-
+        leaveMessage {
+            maxSize = 20
+        }
         watch = [ classes ]
     }
     application {

src/Application.kt

@@ -32,4 +32,5 @@ fun Application.module(testing: Boolean = false) {
 fun Application.Controller(testing: Boolean = false){
     this.AccountController()
     this.TestController()
+    this.MainController()
 }

src/Controller.kt

@@ -6,6 +6,15 @@ import io.ktor.response.*
 import io.ktor.routing.*
 import org.slf4j.LoggerFactory
 
+suspend inline fun <reified T:BaseVo> withToken(call:ApplicationCall, callback:(vo:T)->Unit){
+    val levelVo=call.receive<T>()
+    if(AccountService.validToken(levelVo.token)){
+        callback(levelVo)
+    }else{
+        call.respond(ApiResponse(message = "token校验失败",body = null))
+    }
+}
+
 private val logger = LoggerFactory.getLogger(Application::class.java)
 fun Application.AccountController() {
 
@@ -46,9 +55,9 @@ fun Application.AccountController() {
                 post{
                     val userLoginVo= call.receive<UserLoginVo>()
                     logger.info("执行登陆")
-                    val tokenResDto:TokenResDto=AccountService.login(userLoginVo,call.request.host())
+                    val token=AccountService.login(userLoginVo,call.request.host())
                     logger.info("登录请求处理完毕")
-                    call.respond(ApiResponse(message = if(tokenResDto.token!=null) "登陆成功" else "账号或密码错误！！！",body = tokenResDto))
+                    call.respond(ApiResponse(message = if(token!=null) "登陆成功" else "账号或密码错误！！！",body = token))
                 }
                 post(path = "/token"){
                     val tokenVo=call.receive<TokenVo>()
@@ -68,3 +77,37 @@ fun Application.AccountController() {
     }
 }
 
+/**
+ * 主界面接口
+ *
+ */
+fun Application.MainController(){
+    MainService.register(maxSize = environment.config.property("ktor.deployment.leaveMessage.maxSize").getString().toInt())
+
+    routing {
+        //发送留言
+        route("$ApiPathPrefix/main") {
+            post("/leaveMessage") {
+                withToken<LeaveMessageVo>(call){
+                    val flag=MainService.createMessage(leaveMessageVo = it)
+                    call.respond(ApiResponse(message = if(flag) "留言创建成功" else "留言创建失败",body=flag))
+                }
+            }
+            post("/getMessage"){
+                withToken<OnlyToken>(call){
+                    val s=MainService.getAllLeaveMessage()
+                    call.respond(ApiResponse(message = "留言获取成功",body = s))
+                }
+            }
+        }
+    }
+}
+
+fun Application.TestController(){
+    routing {
+        get("$ApiPathPrefix/test"){
+            AccountService.test()
+            call.respond(ApiResponse(message = "成功连接服务端",body=true))
+        }
+    }
+}

src/Dao.kt

@@ -5,6 +5,8 @@ import org.jetbrains.exposed.dao.IntEntityClass
 import org.jetbrains.exposed.dao.id.EntityID
 import org.jetbrains.exposed.dao.id.IntIdTable
 import org.jetbrains.exposed.sql.Column
+import org.jetbrains.exposed.sql.`java-time`.CurrentDateTime
+import org.jetbrains.exposed.sql.`java-time`.CurrentTimestamp
 import org.jetbrains.exposed.sql.`java-time`.datetime
 import java.time.LocalDateTime
 
@@ -41,7 +43,7 @@ object UserTokens: IntIdTable(){
     val ip:Column<String> = varchar(name="ip",length = 32)
 
     @TableComment("令牌创建时间")
-    val createTime:Column<LocalDateTime> = datetime("create_time").default(LocalDateTime.now())
+    val createTime:Column<LocalDateTime> = datetime("create_time").defaultExpression(CurrentTimestamp())
 
     @TableComment("授权设备")
     val device:Column<String> = varchar(name="device",length = 256)
@@ -55,3 +57,23 @@ class UserToken(id:EntityID<Int>):IntEntity(id){
     var createTime by UserTokens.createTime
     var device by UserTokens.device
 }
+
+@TableComment("留言")
+object LeaveMessages:IntIdTable(){
+    @TableComment("留言用户")
+    val studentId:Column<String> = reference("student_id",Users.studentId)
+
+    @TableComment("留言内容")
+    val message:Column<String> = varchar(name = "message",length = 20)
+
+    @TableComment("留言创建时间")
+    val createTime:Column<LocalDateTime> = datetime("create_time").defaultExpression(CurrentDateTime())
+}
+
+class LeaveMessage(id:EntityID<Int>):IntEntity(id){
+    companion object:IntEntityClass<LeaveMessage>(LeaveMessages)
+    var studentId by LeaveMessages.studentId
+    var message by LeaveMessages.message
+    var createTime by LeaveMessages.createTime
+}
+

src/MySQL.kt

@@ -40,7 +40,7 @@ fun Application.MySQL(testing: Boolean = false){
 
 fun initTable(){
     transaction {
-        val tableList= arrayOf(Users,UserTokens)
+        val tableList= arrayOf(Users,UserTokens,LeaveMessages)
         SchemaUtils.createMissingTablesAndColumns(*tableList)
         updateComment(*tableList)
 

src/Service.kt

@@ -42,18 +42,18 @@ object AccountService {
          *
          * @param userLoginVo 登陆表单
          */
-        fun login(userLoginVo: UserLoginVo,_ip:String):TokenResDto{
+        fun login(userLoginVo: UserLoginVo,_ip:String):Token?{
             return transaction {
                 val user=User.find { Users.studentId eq userLoginVo.studentId }.firstOrNull()
 
                 when {
                     user==null -> {
                         logger.warn("学号：${userLoginVo.studentId}不存在")
-                        return@transaction TokenResDto(isValid = false)
+                        return@transaction null
                     }
                     userLoginVo.password.md5() != user.password -> {
                         logger.warn("密码：${userLoginVo.password}错误")
-                        return@transaction TokenResDto(isValid = false)
+                        return@transaction null
                     }
                     else -> {
                         val token=UserToken.new{
@@ -62,13 +62,19 @@ object AccountService {
                             device=userLoginVo.device
                             token=listOf(studentId,ip,device).joinToString(separator = ('a' .. 'z').random().toString()).md5()
                         }
-                        return@transaction TokenResDto(isValid = true,token = Token(token = token.token,createTime = token.createTime.toEpochSecond(
-                            ZoneOffset.of("+8")),studentId = token.studentId))
+                        token.flush()
+                        return@transaction Token(studentId = userLoginVo.studentId,token = token.token,
+                            createTime = token.createTime.toEpochSecond(
+                            ZoneOffset.of("+8")),name=user.name)
                     }
                 }
             }
         }
 
+        fun validToken(token: Token):Boolean{
+            return validToken(TokenVo(token = token.token,studentId = token.studentId))
+        }
+
         /**
          * 令牌校验
          *
@@ -99,3 +105,54 @@ object AccountService {
         }
 
 }
+
+object MainService{
+    private val logger = LoggerFactory.getLogger(MainService::class.java)
+
+    var maxSize:Int=20
+
+    fun register(maxSize:Int){
+        this.maxSize=maxSize
+    }
+
+    /**
+     * 创建留言信息
+     *
+     * @param leaveMessageVo
+     * @return
+     */
+    fun createMessage(leaveMessageVo: LeaveMessageVo):Boolean{
+        return if(leaveMessageVo.message.isNotEmpty()){
+            return transaction {
+                val count=LeaveMessage.count().toInt()
+                logger.info("系统留言数：$count,限制数：$maxSize")
+                if(count>= maxSize){
+                    LeaveMessage.all().sortedBy { it.createTime }.subList(0, count-maxSize).forEach {
+                        it.delete()
+                    }
+
+                }
+                logger.info("保存留言：${leaveMessageVo.message}")
+                LeaveMessage.new {
+                    studentId = leaveMessageVo.token.studentId
+                    message = leaveMessageVo.message
+                }
+                logger.info("留言保存成功")
+                return@transaction true
+            }
+        }else{
+            logger.info("留言不能为空")
+            false
+        }
+    }
+
+    fun getAllLeaveMessage():List<LeaveMessageFormatVo>{
+        return transaction {
+            logger.info("获取所有留言")
+            return@transaction LeaveMessage.all().toList().map {
+                LeaveMessageFormatVo(message = "${User.find { Users.studentId eq it.studentId }.first().name}说：${it.message}",studentId = it.studentId)
+            }
+        }
+    }
+}
+

src/TestController.kt

@@ -1,17 +0,0 @@
-package com.gyf.csams
-
-import io.ktor.application.*
-import io.ktor.response.*
-import io.ktor.routing.*
-import org.slf4j.LoggerFactory
-
-private val logger = LoggerFactory.getLogger(Application::class.java)
-
-fun Application.TestController(){
-    routing {
-        get("$ApiPathPrefix/test"){
-            AccountService.test()
-            call.respond(ApiResponse(message = "成功连接服务端",body=true))
-        }
-    }
-}

src/Vo.kt

@@ -40,13 +40,17 @@ data class UserLogoutVo(val studentId:String)
 
 data class UserResDto(val password:String)
 
-data class Token(val token:String,val createTime:Long,val studentId:String)
-/**
- * 令牌传输
- *
- * @property isValid
- * @property token
- */
-data class TokenResDto(val isValid:Boolean,val token: Token?=null)
+data class Token(val token:String,val createTime:Long,val studentId:String,val name:String)
 
 data class TokenVo(val token:String,val studentId:String)
+
+sealed class BaseVo{
+    abstract val token:Token
+}
+
+data class LeaveMessageVo(val message: String, override val token:Token):BaseVo()
+
+data class OnlyToken(override val token: Token):BaseVo()
+//data class PageVo(val pageSize:Int=10,val page:, override val token: Token):BaseVo()
+
+data class LeaveMessageFormatVo(val message: String,val studentId: String)

test/ApplicationTest.kt

@@ -10,7 +10,6 @@ import io.ktor.config.*
 import io.ktor.http.*
 import io.ktor.server.testing.*
 import org.jetbrains.exposed.sql.transactions.transaction
-import java.time.LocalDateTime
 import kotlin.test.Test
 import kotlin.test.assertEquals
 
@@ -90,7 +89,13 @@ class ApplicationTest {
 
     @Test
     fun localTime(){
-        println(LocalDateTime.now())
+        initApp {
+            transaction {
+
+            }
+
+
+        }
     }
 
     /**