implement recycler view for userlist

base/src/main/java/com/hako/base/extensions/ApplicationExtension.kt

@@ -0,0 +1,8 @@
+package com.hako.base.extensions
+
+import android.content.Context
+import android.widget.Toast
+
+fun Context.toast(message: String) {
+    Toast.makeText(this, message, Toast.LENGTH_SHORT).show()
+}

base/src/main/java/com/hako/base/extensions/ListExtensions.kt

@@ -0,0 +1,23 @@
+package com.hako.base.extensions
+
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.RecyclerView
+
+fun <T> RecyclerView.Adapter<*>.autoNotify(oldList: List<T>, newList: List<T>, compare: (T, T) -> Boolean) {
+    val diff = DiffUtil.calculateDiff(object : DiffUtil.Callback() {
+
+        override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
+            return compare(oldList[oldItemPosition], newList[newItemPosition])
+        }
+
+        override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
+            return oldList[oldItemPosition] == newList[newItemPosition]
+        }
+
+        override fun getOldListSize() = oldList.size
+
+        override fun getNewListSize() = newList.size
+    })
+
+    diff.dispatchUpdatesTo(this)
+}

base/src/main/java/com/hako/base/extensions/ViewExtensions.kt

@@ -1,10 +1,11 @@
 package com.hako.base.extensions
 
 import android.view.LayoutInflater
+import android.view.View
 import android.view.ViewGroup
 import androidx.annotation.LayoutRes
 
-fun ViewGroup.inflate(@LayoutRes layout: Int, attachToRoot: Boolean = false) =
+fun ViewGroup.inflate(@LayoutRes layout: Int, attachToRoot: Boolean = false): View =
     LayoutInflater
         .from(context)
         .inflate(layout, this, attachToRoot)

userlist/src/main/java/com/hako/friendlist/feature/UserlistFragment.kt

@@ -5,16 +5,63 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.hako.base.extensions.toast
+import com.hako.friendlist.model.UserViewable
+import com.hako.friendlist.widget.UserlistAdapter
 import com.hako.friendlist_userlist.R
+import kotlinx.android.synthetic.main.fragment_userlist.*
 
 class UserlistFragment : Fragment() {
 
+    private val chatAdapter by lazy { UserlistAdapter() }
+
     override fun onCreateView(
-        inflater: LayoutInflater,
+        inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?
-        container: ViewGroup?,
+    ): View = inflater.inflate(R.layout.fragment_userlist, container, false)
-        savedInstanceState: Bundle?
+
-    ): View {
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        return inflater.inflate(R.layout.fragment_userlist, container, false)
+        super.onViewCreated(view, savedInstanceState)
+        setRecycler()
     }
 
+    private fun setRecycler() {
+        fragment_userlist_recycler_container.apply {
+            layoutManager = LinearLayoutManager(context)
+            adapter = chatAdapter.apply {
+                addAll(
+                    listOf(
+                        UserViewable(1, "Carlos Martinez", "carlitos"),
+                        UserViewable(2, "Carlos Martinez", "carlitos"),
+                        UserViewable(3, "Carlos Martinez", "carlitos"),
+                        UserViewable(4, "Carlos Martinez", "carlitos"),
+                        UserViewable(5, "Carlos Martinez", "carlitos"),
+                        UserViewable(6, "Carlos Martinez", "carlitos"),
+                        UserViewable(7, "Carlos Martinez", "carlitos"),
+                        UserViewable(8, "Carlos Martinez", "carlitos"),
+                        UserViewable(9, "Carlos Martinez", "carlitos"),
+                        UserViewable(10, "Carlos Martinez", "carlitos"),
+                        UserViewable(11, "Carlos Martinez", "carlitos"),
+                        UserViewable(12, "Carlos Martinez", "carlitos"),
+                        UserViewable(13, "Carlos Martinez", "carlitos"),
+                        UserViewable(14, "Carlos Martinez", "carlitos"),
+                        UserViewable(15, "Carlos Martinez", "carlitos"),
+                        UserViewable(16, "Carlos Martinez", "carlitos"),
+                        UserViewable(17, "Carlos Martinez", "carlitos"),
+                        UserViewable(18, "Carlos Martinez", "carlitos"),
+                        UserViewable(19, "Carlos Martinez", "carlitos"),
+                        UserViewable(20, "Carlos Martinez", "carlitos")
+                    )
+                )
+
+                onItemClick = {
+                    context.toast(it.realName)
+                }
+
+                onFavoriteClick = {
+                    context.toast(it.userName)
+                }
+            }
+        }
+    }
 }

userlist/src/main/java/com/hako/friendlist/model/UserModels.kt

@@ -2,6 +2,7 @@ package com.hako.friendlist.model
 
 import android.os.Parcelable
 import com.google.gson.annotations.SerializedName
+import com.hako.base.room.entities.UserEntity
 import kotlinx.android.parcel.Parcelize
 
 @Parcelize
@@ -10,35 +11,18 @@ data class User(
     @SerializedName("name") val realName: String,
     @SerializedName("username") val userName: String,
     @SerializedName("email") val email: String,
-    @SerializedName("amount") val balance: Address,
     @SerializedName("phone") val phone: String,
-    @SerializedName("website") val website: String,
+    @SerializedName("website") val website: String
-    @SerializedName("company") val company: Company
+) : Parcelable
-) : Parcelable {
 
-    @Parcelize
+data class UserViewable(
-    data class Address(
+    val id: Int,
-        @SerializedName("street") val street: String,
+    val realName: String,
-        @SerializedName("suite") val realName: String,
+    val userName: String,
-        @SerializedName("city") val userName: String,
+    var isFavorite: Boolean = false
-        @SerializedName("zipcode") val email: String,
+) {
-        @SerializedName("geo") val geoLocation: GeoLocation
+    fun User.toUserViewable() = UserViewable(this.id, this.realName, this.userName)
-    ) : Parcelable {
 
-        @Parcelize
+    fun UserEntity.toUserViewable() = UserViewable(this.id, this.realName, this.userName)
-        data class GeoLocation(
-            @SerializedName("lat") val latitude: String,
-            @SerializedName("lng") val longitude: String
-        ) : Parcelable
-    }
-
-    @Parcelize
-    data class Company(
-        @SerializedName("name") val name: String,
-        @SerializedName("catchPhrase") val catchPhrase: String,
-        @SerializedName("bs") val keywords: String
-    ) : Parcelable {
-        fun getKeywordList() = keywords.split(" ")
-    }
 }
 

userlist/src/main/java/com/hako/friendlist/widget/UserlistAdapter.kt

@@ -0,0 +1,69 @@
+package com.hako.friendlist.widget
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.hako.base.extensions.autoNotify
+import com.hako.friendlist.model.UserViewable
+import com.hako.friendlist_userlist.R
+import kotlinx.android.synthetic.main.item_user_card.view.*
+import kotlin.properties.Delegates
+
+class UserlistAdapter : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private var items by Delegates.observable(emptyList<UserViewable>()) { _, oldList, newList ->
+        autoNotify(oldList, newList) { old, new -> old.id == new.id }
+        notifyDataSetChanged()
+    }
+
+    var onItemClick: (UserViewable) -> Unit = { }
+    var onFavoriteClick: (UserViewable) -> Unit = { }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder =
+        UserViewHolder(
+            LayoutInflater
+                .from(parent.context)
+                .inflate(R.layout.item_user_card, parent, false),
+            onItemClick,
+            onFavoriteClick
+        )
+
+    fun getItem(position: Int) = items[position]
+
+    fun addAll(list: List<UserViewable>) {
+        items = list
+    }
+
+    override fun getItemCount() = items.size
+
+    override fun onBindViewHolder(viewholder: RecyclerView.ViewHolder, position: Int) =
+        when (viewholder) {
+            is UserViewHolder -> viewholder.bind(items[position])
+            else -> throw NoWhenBranchMatchedException("Undefined viewholder")
+        }
+}
+
+class UserViewHolder(private val view: View,
+                     private val onItemClick: (UserViewable) -> Unit,
+                     private val onFavoriteClick: (UserViewable) -> Unit) :
+    RecyclerView.ViewHolder(view) {
+
+    fun bind(user: UserViewable) = with(view) {
+        item_user_card_real_name.text = user.realName
+        item_user_card_user_name.text = user.userName
+        item_user_card_container.setOnClickListener {
+            onItemClick(user)
+        }
+        item_user_card_like_button.setOnClickListener {
+            onFavoriteClick(user)
+        }
+    }
+
+    private fun setFavorite(status: Boolean) {
+        when (status) {
+            true -> view.item_user_card_like_button.like()
+            false -> view.item_user_card_like_button.dislike()
+        }
+    }
+}

userlist/src/main/res/layout/fragment_userlist.xml

@@ -3,10 +3,14 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:orientation="vertical">
+    android:orientation="vertical"
+    android:id="@+id/fragment_userlist_base">
 
-    <include
+    <androidx.recyclerview.widget.RecyclerView
-        layout="@layout/item_user_card"
+        android:id="@+id/fragment_userlist_recycler_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />

userlist/src/main/res/layout/item_user_card.xml

@@ -2,8 +2,12 @@
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/item_user_card_container"
     android:layout_width="match_parent"
     android:layout_height="70dp"
+    android:layout_marginStart="8dp"
+    android:layout_marginTop="8dp"
+    android:layout_marginEnd="8dp"
     android:background="@drawable/bg_card"
     android:elevation="2dp"
     android:orientation="vertical">