minor changes in the code to add members

app/src/main/java/chat/rocket/android/createChannel/addMembers/di/AddMembersModule.kt

@@ -2,7 +2,11 @@ package chat.rocket.android.createChannel.addMembers.di
 
 import android.arch.lifecycle.LifecycleOwner
 import chat.rocket.android.core.lifecycle.CancelStrategy
+import chat.rocket.android.createChannel.addMembers.presentation.AddMembersView
 import chat.rocket.android.createChannel.addMembers.ui.AddMembersActivity
+import chat.rocket.android.createChannel.presentation.CreateNewChannelView
+import chat.rocket.android.createChannel.ui.CreateNewChannelActivity
+import chat.rocket.android.dagger.scope.PerActivity
 import dagger.Module
 import dagger.Provides
 import kotlinx.coroutines.experimental.Job
@@ -14,6 +18,12 @@ class AddMembersModule {
         return activity
     }
 
+    @Provides
+    @PerActivity
+    fun addMembersView(activity: AddMembersActivity): AddMembersView{
+        return activity
+    }
+
     @Provides
     fun provideCancelStrategy(owner: LifecycleOwner, jobs: Job): CancelStrategy {
         return CancelStrategy(owner, jobs)

app/src/main/java/chat/rocket/android/createChannel/addMembers/di/AddMembersProvider.kt

+package chat.rocket.android.createChannel.addMembers.di
+
+import chat.rocket.android.createChannel.addMembers.ui.AddMembersActivity
+import dagger.Module
+import dagger.android.ContributesAndroidInjector
+
+@Module
+abstract class AddMembersProvider {
+    @ContributesAndroidInjector(modules = [AddMembersModule::class])
+    abstract fun provideNewChannelActivity(): AddMembersActivity
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/createChannel/addMembers/presentation/AddMembersPresenter.kt

 package chat.rocket.android.createChannel.addMembers.presentation
 
-class AddMembersPresenter {
+import chat.rocket.android.core.lifecycle.CancelStrategy
+import chat.rocket.android.members.viewmodel.MemberViewModelMapper
+import chat.rocket.android.server.domain.GetCurrentServerInteractor
+import chat.rocket.android.server.infraestructure.RocketChatClientFactory
+import chat.rocket.android.util.extensions.launchUI
+import chat.rocket.android.util.retryIO
+import chat.rocket.common.RocketChatException
+import chat.rocket.core.RocketChatClient
+import chat.rocket.core.internal.rest.queryUsers
+import javax.inject.Inject
+
+class AddMembersPresenter @Inject constructor(
+    private val view: AddMembersView,
+    private val strategy: CancelStrategy,
+    private val serverInteractor: GetCurrentServerInteractor,
+    private val mapper: MemberViewModelMapper,
+    factory: RocketChatClientFactory
+) {
+    val serverUrl: String? = serverInteractor.get()
+    private val client = if (serverUrl != null) factory.create(serverUrl) else null
+
+    fun queryUsersFromRegex(queryParam: String) {
+        if (client != null) {
+            launchUI(strategy) {
+                try {
+                    val allMembers = retryIO("queryUsers($queryParam)") {
+                        client.queryUsers(queryParam)
+                    }
+                    val memberViewModelMapper = mapper.mapToViewModelList(allMembers.result)
+                } catch (ex: RocketChatException) {
+
+                }
+            }
+        }
+    }
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/createChannel/addMembers/ui/AddMembersActivity.kt

@@ -2,12 +2,18 @@ package chat.rocket.android.createChannel.addMembers.ui
 
 import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
+import android.widget.SearchView
 import chat.rocket.android.R
 import chat.rocket.android.createChannel.addMembers.presentation.AddMembersPresenter
 import chat.rocket.android.createChannel.addMembers.presentation.AddMembersView
 import com.jakewharton.rxbinding2.widget.RxTextView
+import io.reactivex.Observable
+import io.reactivex.android.schedulers.AndroidSchedulers
+import io.reactivex.subjects.BehaviorSubject
+import kotlinx.android.synthetic.main.activity_add_members.*
 import kotlinx.android.synthetic.main.activity_create_new_channel.*
 import kotlinx.android.synthetic.main.layout_toolbar.*
+import java.util.concurrent.TimeUnit
 import javax.inject.Inject
 
 class AddMembersActivity : AppCompatActivity(), AddMembersView {
@@ -37,9 +43,20 @@ class AddMembersActivity : AppCompatActivity(), AddMembersView {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setUpToolBar()
+        observableFromSearchView(search_view)
+            .debounce(300, TimeUnit.MILLISECONDS)
+            .filter { item -> item.length > 1 }
+            .observeOn(AndroidSchedulers.mainThread())
+            .subscribe { query ->
+                {
+                    //search for elements on the basis of query obtained and also add a function in
+                    // login presenter
+                }
+            }
+
     }
 
-    private fun setUpToolBar(){
+    private fun setUpToolBar() {
         toolbar_title.text = getString(R.string.title_add_members)
         toolbar_action_text.text = getString(R.string.action_select_members)
 
@@ -52,4 +69,23 @@ class AddMembersActivity : AppCompatActivity(), AddMembersView {
                 toolbar_action_text.alpha = 1.0f
         }
     }
+
+    private fun observableFromSearchView(searchView: SearchView): Observable<String> {
+        val observableSubject: BehaviorSubject<String> = BehaviorSubject.create()
+        searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
+
+            override fun onQueryTextSubmit(query: String): Boolean {
+                observableSubject.onComplete()
+                return true
+            }
+
+            override fun onQueryTextChange(newText: String): Boolean {
+                if (!newText.isEmpty()) {
+                    observableSubject.onNext(newText)
+                }
+                return true
+            }
+        })
+        return observableSubject
+    }
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/createChannel/presentation/CreateNewChannelPresenter.kt

@@ -14,17 +14,25 @@ import chat.rocket.core.model.Room
 import javax.inject.Inject
 
 
-class CreateNewChannelPresenter @Inject constructor(private val view: CreateNewChannelView,
-                                                    private val strategy: CancelStrategy,
-                                                    private val serverInteractor: GetCurrentServerInteractor,
-                                                    factory: RocketChatClientFactory) {
+class CreateNewChannelPresenter @Inject constructor(
+    private val view: CreateNewChannelView,
+    private val strategy: CancelStrategy,
+    private val serverInteractor: GetCurrentServerInteractor,
+    factory: RocketChatClientFactory
+) {
     private val client: RocketChatClient = factory.create(serverInteractor.get()!!)
 
-    fun createNewChannel(roomType: RoomType, channelName: String, usersList: List<String>, readOnly: Boolean) {
+    fun createNewChannel(
+        roomType: RoomType,
+        channelName: String,
+        usersList: List<String>,
+        readOnly: Boolean
+    ) {
         launchUI(strategy) {
             view.showLoading()
             try {
-                val channelCreated:Room? = client.createChannel(roomType, channelName, usersList, readOnly)
+                val channelCreated: Room? =
+                    client.createChannel(roomType, channelName, usersList, readOnly)
                 view.showChannelCreatedSuccessfullyMessage()
             } catch (exception: RocketChatException) {
                 exception.message?.let {

app/src/main/res/layout/activity_add_members.xml

@@ -20,10 +20,19 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/toolbar_layout">
 
-        <EditText
-            android:id="@+id/search_edit_text"
+        <android.support.design.chip.ChipGroup
+            android:id="@+id/members_chips"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            app:chipSpacing="2dp"
+            >
+
+        </android.support.design.chip.ChipGroup>
+        <SearchView
+            android:id="@+id/search_view"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layout_constraintTop_toBottomOf="@id/members_chips"
             android:layout_margin="8dp"
             android:backgroundTint="@color/colorLightTheme"
             android:hint="@string/msg_search"/>
@@ -33,7 +42,7 @@
             android:layout_width="match_parent"
             android:layout_height="0.2dp"
             android:background="@color/colorDividerMessageComposer"
-            app:layout_constraintTop_toBottomOf="@id/search_edit_text" />
+            app:layout_constraintTop_toBottomOf="@id/search_view" />
 
         <android.support.v7.widget.RecyclerView
             android:id="@+id/search_results"

dependencies.gradle

 ext {
     versions = [
             java                  : JavaVersion.VERSION_1_8,
-            compileSdk            : 27,
-            targetSdk             : 27,
+            compileSdk            : "android-P",
+            targetSdk             : 28,
             buildTools            : '27.0.3',
             kotlin                : '1.2.41',
             coroutine             : '0.22.5',
             dokka                 : '0.9.16',
 
             // Main dependencies
-            support               : '27.1.1',
+            support               : '28.0.0-alpha1',
             constraintLayout      : '1.1.0',
             androidKtx            : '0.3',
             dagger                : '2.14.1',