filipebezerra · filipebezerra · Sep 27, 2020 · Sep 27, 2020 · Sep 27, 2020 · Jan 12, 2021
diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/app/build.gradle b/app/build.gradle
@@ -1,4 +1,5 @@
 apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
 
 android {
     compileSdkVersion 27
@@ -26,4 +27,8 @@ dependencies {
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
     implementation 'com.android.support:recyclerview-v7:27.1.1'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}
+repositories {
+    mavenCentral()
 }
diff --git a/app/src/main/java/br/com/alura/leilao/model/Lance.java b/app/src/main/java/br/com/alura/leilao/model/Lance.java
diff --git a/app/src/main/java/br/com/alura/leilao/model/Lance.kt b/app/src/main/java/br/com/alura/leilao/model/Lance.kt
@@ -0,0 +1,8 @@
+package br.com.alura.leilao.model
+
+import java.io.Serializable
+
+class Lance(
+        val usuario: Usuario,
+        val valor: Double
+) : Serializable
diff --git a/app/src/main/java/br/com/alura/leilao/model/Leilao.java b/app/src/main/java/br/com/alura/leilao/model/Leilao.java
diff --git a/app/src/main/java/br/com/alura/leilao/model/Leilao.kt b/app/src/main/java/br/com/alura/leilao/model/Leilao.kt
@@ -0,0 +1,24 @@
+package br.com.alura.leilao.model
+
+import java.io.Serializable
+import java.util.*
+
+class Leilao(val descricao: String) : Serializable {
+    private val lances: MutableList<Lance> =  ArrayList()
+
+    var maiorLance: Double = Double.NEGATIVE_INFINITY
+        private set
+
+    var menorLance: Double = Double.POSITIVE_INFINITY
+        private set
+
+    fun oferta(lance: Lance) {
+        lances.add(lance)
+        if (lance.valor > maiorLance) {
+            maiorLance = lance.valor
+        }
+        if (lance.valor < menorLance) {
+            menorLance = lance.valor
+        }
+    }
+}
diff --git a/app/src/main/java/br/com/alura/leilao/model/Usuario.java b/app/src/main/java/br/com/alura/leilao/model/Usuario.java
diff --git a/app/src/main/java/br/com/alura/leilao/model/Usuario.kt b/app/src/main/java/br/com/alura/leilao/model/Usuario.kt
@@ -0,0 +1,5 @@
+package br.com.alura.leilao.model
+
+import java.io.Serializable
+
+class Usuario(val nome: String) : Serializable
diff --git a/app/src/main/java/br/com/alura/leilao/ui/activity/LancesLeilaoActivity.java b/app/src/main/java/br/com/alura/leilao/ui/activity/LancesLeilaoActivity.java