Remove context from presenter and create InternetView interface

app/src/main/java/chat/rocket/android/authentication/login/presentation/LoginPresenter.kt

@@ -2,6 +2,7 @@ package chat.rocket.android.authentication.login.presentation
 
 import chat.rocket.android.authentication.presentation.AuthenticationNavigator
 import chat.rocket.android.core.lifecycle.CancelStrategy
+import chat.rocket.android.helper.NetworkHelper
 import chat.rocket.android.util.launchUI
 import chat.rocket.common.RocketChatException
 import chat.rocket.common.RocketChatTwoFactorException
@@ -26,24 +27,28 @@ class LoginPresenter @Inject constructor(private val view: LoginView,
             else -> {
                 launchUI(strategy) {
                     view.showLoading()
-                    try {
-                        val token = client.login(usernameOrEmail, password)
-                        Timber.d("Created token: $token")
-                        navigator.toChatList()
-                    } catch (rocketChatException: RocketChatException) {
-                        when (rocketChatException) {
-                            is RocketChatTwoFactorException -> {
-                                navigator.toTwoFA(navigator.currentServer!!, usernameOrEmail, password)
-                            }
-                            else -> {
-                                val errorMessage = rocketChatException.message
-                                if (errorMessage != null) {
-                                    view.showMessage(errorMessage)
+                    if (NetworkHelper.hasInternetAccess()) {
+                        try {
+                            val token = client.login(usernameOrEmail, password)
+                            Timber.d("Created token: $token")
+                            navigator.toChatList()
+                        } catch (rocketChatException: RocketChatException) {
+                            when (rocketChatException) {
+                                is RocketChatTwoFactorException -> {
+                                    navigator.toTwoFA(navigator.currentServer!!, usernameOrEmail, password)
+                                }
+                                else -> {
+                                    val errorMessage = rocketChatException.message
+                                    if (errorMessage != null) {
+                                        view.showMessage(errorMessage)
+                                    }
                                 }
                             }
+                        } finally {
+                            view.hideLoading()
                         }
-                    } finally {
-                        view.hideLoading()
+                    } else {
+                        view.showNoInternetConnection()
                     }
                 }
             }

app/src/main/java/chat/rocket/android/authentication/login/presentation/LoginView.kt

 package chat.rocket.android.authentication.login.presentation
 
+import chat.rocket.android.core.behaviours.InternetView
 import chat.rocket.android.core.behaviours.LoadingView
 import chat.rocket.android.core.behaviours.MessageView
 
-interface LoginView : LoadingView, MessageView {
+interface LoginView : LoadingView, MessageView, InternetView {
 
     /**
      * Shows the oauth view if the server settings allow the login via social accounts.

app/src/main/java/chat/rocket/android/authentication/login/ui/LoginFragment.kt

@@ -182,6 +182,10 @@ class LoginFragment : Fragment(), LoginView {
         Toast.makeText(activity, message, Toast.LENGTH_SHORT).show()
     }
 
+    override fun showNoInternetConnection() {
+        Toast.makeText(activity, getString(R.string.msg_no_internet_connection), Toast.LENGTH_SHORT).show()
+    }
+
     private fun tintEditTextDrawableStart() {
         activity?.applicationContext?.apply {
             val personDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_assignment_ind_black_24dp, this)

app/src/main/java/chat/rocket/android/authentication/server/presentation/ServerPresenter.kt

 package chat.rocket.android.authentication.server.presentation
 
-import android.content.Context
-import chat.rocket.android.R
 import chat.rocket.android.authentication.presentation.AuthenticationNavigator
 import chat.rocket.android.core.lifecycle.CancelStrategy
 import chat.rocket.android.helper.NetworkHelper
@@ -14,7 +12,7 @@ class ServerPresenter @Inject constructor(private val view: ServerView,
                                           private val navigator: AuthenticationNavigator) {
     @Inject lateinit var client: RocketChatClient
 
-    fun connect(context: Context, server: String) {
+    fun connect(server: String) {
         launchUI(strategy) {
             if (NetworkHelper.hasInternetAccess()) {
                 view.showLoading()
@@ -25,7 +23,7 @@ class ServerPresenter @Inject constructor(private val view: ServerView,
                 view.hideLoading()
                 navigator.toLogin(server)
             } else {
-                view.showMessage(context.getString(R.string.msg_no_internet_connection))
+                view.showNoInternetConnection()
             }
         }
     }

app/src/main/java/chat/rocket/android/authentication/server/presentation/ServerView.kt

 package chat.rocket.android.authentication.server.presentation
 
+import chat.rocket.android.core.behaviours.InternetView
 import chat.rocket.android.core.behaviours.LoadingView
 import chat.rocket.android.core.behaviours.MessageView
 
-interface ServerView : LoadingView, MessageView
+interface ServerView : LoadingView, MessageView, InternetView
\ No newline at end of file

app/src/main/java/chat/rocket/android/authentication/server/ui/ServerFragment.kt

@@ -43,7 +43,7 @@ class ServerFragment : Fragment(), ServerView {
         activity?.applicationContext?.apply {
             button_connect.setOnClickListener {
                 val url = text_server_url.textContent.ifEmpty(text_server_url.hintContent)
-                presenter.connect(this, text_server_protocol.textContent + url)
+                presenter.connect(text_server_protocol.textContent + url)
             }
         }
     }
@@ -68,4 +68,8 @@ class ServerFragment : Fragment(), ServerView {
     override fun showMessage(message: String) {
         Toast.makeText(activity, message, Toast.LENGTH_SHORT).show()
     }
+
+    override fun showNoInternetConnection() {
+        Toast.makeText(activity, getString(R.string.msg_no_internet_connection), Toast.LENGTH_SHORT).show()
+    }
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/authentication/signup/presentation/SignupPresenter.kt

@@ -2,6 +2,7 @@ package chat.rocket.android.authentication.signup.presentation
 
 import chat.rocket.android.authentication.presentation.AuthenticationNavigator
 import chat.rocket.android.core.lifecycle.CancelStrategy
+import chat.rocket.android.helper.NetworkHelper
 import chat.rocket.android.util.launchUI
 import chat.rocket.common.RocketChatException
 import chat.rocket.core.RocketChatClient
@@ -31,22 +32,26 @@ class SignupPresenter @Inject constructor(private val view: SignupView,
             }
             else -> {
                 launchUI(strategy) {
-                    view.showLoading()
-                    try {
-                        val user = client.signup(email, name, username, password)
-                        Timber.d("Created user: $user")
+                    if (NetworkHelper.hasInternetAccess()) {
+                        view.showLoading()
+                        try {
+                            val user = client.signup(email, name, username, password)
+                            Timber.d("Created user: $user")
 
-                        val token = client.login(username, password)
-                        Timber.d("Logged in. Token: $token")
+                            val token = client.login(username, password)
+                            Timber.d("Logged in. Token: $token")
 
-                        navigator.toChatList()
-                    } catch (ex: RocketChatException) {
-                        val errorMessage = ex.message
-                        if (errorMessage != null) {
-                            view.showMessage(errorMessage)
+                            navigator.toChatList()
+                        } catch (ex: RocketChatException) {
+                            val errorMessage = ex.message
+                            if (errorMessage != null) {
+                                view.showMessage(errorMessage)
+                            }
+                        } finally {
+                            view.hideLoading()
                         }
-                    } finally {
-                        view.hideLoading()
+                    } else {
+                        view.showNoInternetConnection()
                     }
                 }
             }

app/src/main/java/chat/rocket/android/authentication/signup/presentation/SignupView.kt

 package chat.rocket.android.authentication.signup.presentation
 
+import chat.rocket.android.core.behaviours.InternetView
 import chat.rocket.android.core.behaviours.LoadingView
 import chat.rocket.android.core.behaviours.MessageView
 
-interface SignupView : LoadingView, MessageView {
+interface SignupView : LoadingView, MessageView, InternetView {
 
     /**
      * Alerts the user about a blank name.

app/src/main/java/chat/rocket/android/authentication/signup/ui/SignupFragment.kt

@@ -116,6 +116,10 @@ class SignupFragment : Fragment(), SignupView {
         Toast.makeText(activity, message, Toast.LENGTH_SHORT).show()
     }
 
+    override fun showNoInternetConnection() {
+        Toast.makeText(activity, getString(R.string.msg_no_internet_connection), Toast.LENGTH_SHORT).show()
+    }
+
     private fun tintEditTextDrawableStart() {
         val personDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_person_black_24dp, appContext)
         val atDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_at_black_24dp, appContext)

app/src/main/java/chat/rocket/android/authentication/twofactor/presentation/TwoFAView.kt

 package chat.rocket.android.authentication.twofactor.presentation
 
+import chat.rocket.android.core.behaviours.InternetView
 import chat.rocket.android.core.behaviours.LoadingView
 import chat.rocket.android.core.behaviours.MessageView
 
-interface TwoFAView : LoadingView, MessageView {
+interface TwoFAView : LoadingView, MessageView, InternetView {
 
     /**
      * Alerts the user about a blank two factor authentication code.

app/src/main/java/chat/rocket/android/authentication/twofactor/ui/TwoFAFragment.kt

@@ -84,6 +84,10 @@ class TwoFAFragment : Fragment(), TwoFAView {
         Toast.makeText(activity, message, Toast.LENGTH_SHORT).show()
     }
 
+    override fun showNoInternetConnection() {
+        Toast.makeText(activity, getString(R.string.msg_no_internet_connection), Toast.LENGTH_SHORT).show()
+    }
+
     private fun tintEditTextDrawableStart() {
         activity?.applicationContext?.apply {
             val lockDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_vpn_key_black_24dp, this)

app/src/main/java/chat/rocket/android/core/behaviours/InternetView.kt

+package chat.rocket.android.core.behaviours
+
+interface InternetView {
+
+    fun showNoInternetConnection()
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/core/behaviours/LoadingView.kt

 package chat.rocket.android.core.behaviours
 
 interface LoadingView {
+
     fun showLoading()
+
     fun hideLoading()
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/core/behaviours/MessageView.kt

 package chat.rocket.android.core.behaviours
 
 interface MessageView {
+
     fun showMessage(message: String)
 }
\ No newline at end of file