NTV-365 Migrate to Kotlin DiscoveryAdapter.java (#1531)

* Rename .java to .kt

* Migrate to Kotlin `DiscoveryAdapter.java`

* Add Discovery sections adapter

* Update DiscoveryOnboardingViewHolder

* Update DiscoveryFragment with Discovery adapters

* Remove  DiscoveryAdapter

* Update format

* rename object

* update ActivitySampleFriendBackingViewHolder

* update ActivitySampleFriendBackingViewHolder
ActivitySampleProjectViewHolder

* Add viewModels to viewholders

* Add viewModels test

* Add viewModels test

* Solve viewmodel issue

app/src/main/java/com/kickstarter/ui/adapters/DiscoveryActivitySampleAdapter.kt

@@ -0,0 +1,95 @@
+package com.kickstarter.ui.adapters
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.annotation.LayoutRes
+import com.kickstarter.R
+import com.kickstarter.databinding.ActivitySampleFriendBackingViewBinding
+import com.kickstarter.databinding.ActivitySampleFriendFollowViewBinding
+import com.kickstarter.databinding.ActivitySampleProjectViewBinding
+import com.kickstarter.databinding.EmptyViewBinding
+import com.kickstarter.models.Activity
+import com.kickstarter.ui.viewholders.ActivitySampleFriendBackingViewHolder
+import com.kickstarter.ui.viewholders.ActivitySampleFriendFollowViewHolder
+import com.kickstarter.ui.viewholders.ActivitySampleProjectViewHolder
+import com.kickstarter.ui.viewholders.EmptyViewHolder
+import com.kickstarter.ui.viewholders.KSViewHolder
+
+class DiscoveryActivitySampleAdapter(private val delegate: Delegate) : KSListAdapter() {
+    interface Delegate :
+        ActivitySampleFriendFollowViewHolder.Delegate,
+        ActivitySampleFriendBackingViewHolder.Delegate,
+        ActivitySampleProjectViewHolder.Delegate
+
+    fun takeActivity(activity: Activity?) {
+        activity?.let {
+            setSection(SECTION_ACTIVITY_SAMPLE_VIEW, listOf(activity))
+        }
+        submitList(items())
+    }
+
+    @LayoutRes
+    override fun layout(sectionRow: SectionRow): Int {
+        return if (objectFromSectionRow(sectionRow) is Activity) {
+            val activity = objectFromSectionRow(sectionRow) as Activity
+            return when {
+                activity.category() == Activity.CATEGORY_BACKING -> {
+                    R.layout.activity_sample_friend_backing_view
+                }
+                activity.category() == Activity.CATEGORY_FOLLOW -> {
+                    R.layout.activity_sample_friend_follow_view
+                }
+                else -> {
+                    R.layout.activity_sample_project_view
+                }
+            }
+        } else {
+            R.layout.empty_view
+        }
+    }
+
+    override fun viewHolder(@LayoutRes layout: Int, viewGroup: ViewGroup): KSViewHolder {
+        return when (layout) {
+            R.layout.activity_sample_friend_backing_view -> ActivitySampleFriendBackingViewHolder(
+                ActivitySampleFriendBackingViewBinding.inflate(
+                    LayoutInflater.from(viewGroup.context),
+                    viewGroup,
+                    false
+                ),
+                delegate
+            )
+            R.layout.activity_sample_friend_follow_view -> ActivitySampleFriendFollowViewHolder(
+                ActivitySampleFriendFollowViewBinding.inflate(
+                    LayoutInflater.from(viewGroup.context),
+                    viewGroup,
+                    false
+                ),
+                delegate
+            )
+            R.layout.activity_sample_project_view -> ActivitySampleProjectViewHolder(
+                ActivitySampleProjectViewBinding.inflate(
+                    LayoutInflater.from(viewGroup.context),
+                    viewGroup,
+                    false
+                ),
+                delegate
+            )
+            else -> EmptyViewHolder(
+                EmptyViewBinding.inflate(
+                    LayoutInflater.from(
+                        viewGroup.context
+                    ),
+                    viewGroup, false
+                )
+            )
+        }
+    }
+
+    companion object {
+        private const val SECTION_ACTIVITY_SAMPLE_VIEW = 0
+    }
+
+    init {
+        insertSection(SECTION_ACTIVITY_SAMPLE_VIEW, emptyList<Activity>())
+    }
+}

app/src/main/java/com/kickstarter/ui/adapters/DiscoveryEditorialAdapter.kt

@@ -0,0 +1,42 @@
+package com.kickstarter.ui.adapters
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.annotation.LayoutRes
+import com.kickstarter.R
+import com.kickstarter.databinding.ItemLightsOnBinding
+import com.kickstarter.ui.data.Editorial
+import com.kickstarter.ui.viewholders.EditorialViewHolder
+import com.kickstarter.ui.viewholders.KSViewHolder
+
+class DiscoveryEditorialAdapter(private val delegate: Delegate) : KSListAdapter() {
+    interface Delegate : EditorialViewHolder.Delegate
+
+    fun setShouldShowEditorial(editorial: Editorial?) {
+        if (editorial == null) {
+            setSection(SECTION_EDITORIAL_VIEW, emptyList<Any>())
+        } else {
+            setSection(SECTION_EDITORIAL_VIEW, listOf(editorial))
+        }
+        submitList(items())
+    }
+    override fun layout(sectionRow: SectionRow): Int = R.layout.item_lights_on
+
+    override fun viewHolder(@LayoutRes layout: Int, viewGroup: ViewGroup): KSViewHolder {
+        return EditorialViewHolder(
+            ItemLightsOnBinding.inflate(
+                LayoutInflater.from(viewGroup.context),
+                viewGroup,
+                false
+            ),
+            delegate
+        )
+    }
+
+    companion object {
+        private const val SECTION_EDITORIAL_VIEW = 0
+    }
+
+    init {
+        insertSection(SECTION_EDITORIAL_VIEW, emptyList<Editorial>())
+    }
+}

app/src/main/java/com/kickstarter/ui/adapters/DiscoveryOnboardingAdapter.kt

@@ -0,0 +1,44 @@
+package com.kickstarter.ui.adapters
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.annotation.LayoutRes
+import com.kickstarter.R
+import com.kickstarter.databinding.DiscoveryOnboardingViewBinding
+import com.kickstarter.ui.viewholders.DiscoveryOnboardingViewHolder
+import com.kickstarter.ui.viewholders.KSViewHolder
+
+class DiscoveryOnboardingAdapter(private val delegate: Delegate) : KSListAdapter() {
+    interface Delegate :
+        DiscoveryOnboardingViewHolder.Delegate
+
+    fun setShouldShowOnboardingView(shouldShowOnboardingView: Boolean) {
+        if (shouldShowOnboardingView) {
+            setSection(SECTION_ONBOARDING_VIEW, listOf(true))
+        } else {
+            setSection(SECTION_ONBOARDING_VIEW, emptyList<Boolean>())
+        }
+        submitList(items())
+    }
+
+    override fun layout(sectionRow: SectionRow): Int = R.layout.discovery_onboarding_view
+
+    override fun viewHolder(@LayoutRes layout: Int, viewGroup: ViewGroup): KSViewHolder {
+        return DiscoveryOnboardingViewHolder(
+            DiscoveryOnboardingViewBinding.inflate(
+                LayoutInflater.from(viewGroup.context),
+                viewGroup,
+                false
+            ),
+            delegate
+        )
+    }
+
+    companion object {
+        private const val SECTION_ONBOARDING_VIEW = 0
+    }
+
+    init {
+        insertSection(SECTION_ONBOARDING_VIEW, emptyList<Boolean>())
+    }
+}

app/src/main/java/com/kickstarter/ui/adapters/DiscoveryProjectCardAdapter.kt

@@ -0,0 +1,42 @@
+package com.kickstarter.ui.adapters
+
+import android.util.Pair
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.annotation.LayoutRes
+import com.kickstarter.R
+import com.kickstarter.databinding.ProjectCardViewBinding
+import com.kickstarter.models.Project
+import com.kickstarter.services.DiscoveryParams
+import com.kickstarter.ui.viewholders.KSViewHolder
+import com.kickstarter.ui.viewholders.ProjectCardViewHolder
+
+class DiscoveryProjectCardAdapter(private val delegate: Delegate) : KSListAdapter() {
+    interface Delegate :
+        ProjectCardViewHolder.Delegate
+
+    fun takeProjects(projects: List<Pair<Project, DiscoveryParams>>) {
+        setSection(SECTION_PROJECT_CARD_VIEW, projects)
+        submitList(items())
+    }
+    override fun layout(sectionRow: SectionRow): Int = R.layout.project_card_view
+
+    override fun viewHolder(@LayoutRes layout: Int, viewGroup: ViewGroup): KSViewHolder {
+        return ProjectCardViewHolder(
+            ProjectCardViewBinding.inflate(
+                LayoutInflater.from(viewGroup.context),
+                viewGroup,
+                false
+            ),
+            delegate
+        )
+    }
+
+    companion object {
+        private const val SECTION_PROJECT_CARD_VIEW = 0
+    }
+
+    init {
+        insertSection(SECTION_PROJECT_CARD_VIEW, emptyList<Pair<Project, DiscoveryParams>>())
+    }
+}