login check

app/src/main/java/com/example/infrastudy/APIData.kt

@@ -42,6 +42,9 @@ data class GetPostResponse(
     @SerializedName("image_src") val imageSrc:String,
     @SerializedName("user_id") val userid:String?
 ):Serializable
+data class GetUserResponse(
+    @SerializedName("user_id") val userid:String
+)
 
 data class imgaeResponse(
     @SerializedName("message") val message:String,

app/src/main/java/com/example/infrastudy/APIInterface.kt

@@ -47,6 +47,12 @@ interface GetPostInterface{
     ):Response<ArrayList<GetPostResponse>?>
 }
 
+interface GetUserInterface{
+    @GET("/users/getid")
+    suspend fun GetUserRequest(
+    ):Response<ArrayList<GetUserResponse>?>
+}
+
 interface DeleteInterface{
     @DELETE("/board/{board_id}")
     suspend fun DeleteRequest(

app/src/main/java/com/example/infrastudy/APIServiceImp.kt

@@ -3,10 +3,11 @@ package com.example.infrastudy
 import okhttp3.OkHttpClient
 import retrofit2.Retrofit
 import retrofit2.converter.gson.GsonConverterFactory
+import retrofit2.create
 import java.util.concurrent.TimeUnit
 
 object APIServiceImp {
-    private const val BASE_URL = "http://133.186.159.229:80/"
+    private const val BASE_URL = "http://dev-api-team2.openinfra-kr.org/"
     //"http://10.0.2.2"
     //"http://133.186.223.119:80"
 
@@ -23,5 +24,6 @@ object APIServiceImp {
     val getPostInterface =retrofit.create(GetPostInterface::class.java)
     val imageInterface= retrofit.create(ImageInterface::class.java)
     val deleteInterface= retrofit.create(DeleteInterface::class.java)
+    val getUserInterface=retrofit.create(GetUserInterface::class.java)
 }
 

app/src/main/java/com/example/infrastudy/LoginActivity.kt

@@ -1,11 +1,13 @@
-package com.example.infrastudy
+package com.example.infrastud
+
 
 import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.util.Log
 import android.webkit.CookieManager
 import android.widget.Toast
+import com.example.infrastudy.*
 import com.example.infrastudy.databinding.ActivityLoginBinding
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -18,6 +20,7 @@ import retrofit2.Response
 
 class LoginActivity : AppCompatActivity() {
     lateinit var binding: ActivityLoginBinding
+    var data=ArrayList<GetUserResponse>()
 
     companion object {
         const val TAG = "LoginActivty"
@@ -28,33 +31,56 @@ class LoginActivity : AppCompatActivity() {
         binding = ActivityLoginBinding.inflate(layoutInflater)
         setContentView(binding.root)
         postInformation()
+        initData()
         binding.userid.setText("fantasy7772")
         binding.userpw.setText("123123k")
         binding.username.setText("jinuk")
     }
 
+    private fun initData(){
+        var response_GetUserRequest:Response<ArrayList<GetUserResponse>?>
+        CoroutineScope(Dispatchers.Main).launch {
+            withContext(Dispatchers.IO){
+                response_GetUserRequest= APIServiceImp.getUserInterface.GetUserRequest()
+                Log.i("userdata",response_GetUserRequest.body().toString())
+            }
+            response_GetUserRequest.body()?.let{data.addAll(it)}
+
+        }
+
+
+    }
     private fun postInformation() {
         binding.apply {
             button3.setOnClickListener {
-                var response_Join: Response<JoinResponse>
-                CoroutineScope(Dispatchers.Main).launch {
-                    withContext(Dispatchers.IO) {
-                        response_Join = APIServiceImp.joinInterface.postJoinRequest(
-                            userid = userid.text.toString(),
-                            userpw = userpw.text.toString(),
-                            username = username.text.toString()
-                        )
-                        if (response_Join != null) {
-                            Log.i("message", "join success")
+                var check=true
+                for(i in 0 until data.count()){
+                    if(data[i].userid==binding.userid.text.toString()){
+                        Toast.makeText(this@LoginActivity, "중복된 ID 입니다", Toast.LENGTH_SHORT).show()
+                        check=false
+                    }
+                }
+                if(check==true) {
+                    var response_Join: Response<JoinResponse>
+                    CoroutineScope(Dispatchers.Main).launch {
+                        withContext(Dispatchers.IO) {
+                            response_Join = APIServiceImp.joinInterface.postJoinRequest(
+                                userid = userid.text.toString(),
+                                userpw = userpw.text.toString(),
+                                username = username.text.toString()
+                            )
+                            if (response_Join != null) {
+                                Log.i("message", "join success")
 
-                        } else {
-                            Log.i("message", "join failed")
+                            } else {
+                                Log.i("message", "join failed")
+                            }
+                        }
+                        if (response_Join != null) {
+                            val i = Intent(this@LoginActivity, MainActivity::class.java)
+                            i.putExtra("cur_user", userid.text.toString())
+                            startActivity(i)
                         }
-                    }
-                    if(response_Join!=null){
-                        val i= Intent(this@LoginActivity, MainActivity::class.java)
-                        i.putExtra("cur_user", userid.text.toString())
-                        startActivity(i)
                     }
                 }
             }
@@ -72,11 +98,14 @@ class LoginActivity : AppCompatActivity() {
                             Log.i("message", "login failed")
                         }
                     }
-                    if(response_Login!=null){
+                    if(response_Login.body()!!.msg =="success"){
                         val i= Intent(this@LoginActivity, MainActivity::class.java)
                         i.putExtra("cur_user", userid.text.toString())
                         startActivity(i)
                     }
+                    else{
+                        Toast.makeText(this@LoginActivity, "로그인 실패", Toast.LENGTH_SHORT).show()
+                    }
                 }
             }
         }