Add account recover (#635)

2020-02-27 00:10:11 +01:00
parent 96c1bb4c69
commit 18d6ec6961
21 changed files with 867 additions and 35 deletions
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/recover/RecoverRemote.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/recover/RecoverRemote.kt
@ -0,0 +1,19 @@
+package io.github.wulkanowy.data.repositories.recover
+
+import io.github.wulkanowy.sdk.Sdk
+import io.reactivex.Single
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class RecoverRemote @Inject constructor(private val sdk: Sdk) {
+
+    fun getReCaptchaSiteKey(host: String, symbol: String): Single<Pair<String, String>> {
+        return sdk.getPasswordResetCaptchaCode(host, symbol)
+    }
+
+    fun sendRecoverRequest(url: String, symbol: String, email: String, reCaptchaResponse: String): Single<String> {
+        return sdk.sendPasswordResetRequest(url, symbol, email, reCaptchaResponse)
+    }
+}
+
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/recover/RecoverRepository.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/recover/RecoverRepository.kt
@ -0,0 +1,26 @@
+package io.github.wulkanowy.data.repositories.recover
+
+import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
+import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
+import io.reactivex.Single
+import java.net.UnknownHostException
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class RecoverRepository @Inject constructor(private val settings: InternetObservingSettings, private val remote: RecoverRemote) {
+
+    fun getReCaptchaSiteKey(host: String, symbol: String): Single<Pair<String, String>> {
+        return ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
+            if (it) remote.getReCaptchaSiteKey(host, symbol)
+            else Single.error(UnknownHostException())
+        }
+    }
+
+    fun sendRecoverRequest(url: String, symbol: String, email: String, reCaptchaResponse: String): Single<String> {
+        return ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
+            if (it) remote.sendRecoverRequest(url, symbol, email, reCaptchaResponse)
+            else Single.error(UnknownHostException())
+        }
+    }
+}
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt
@ -10,6 +10,7 @@ import io.github.wulkanowy.ui.base.BaseActivity
 import io.github.wulkanowy.ui.base.BaseFragmentPagerAdapter
 import io.github.wulkanowy.ui.modules.login.advanced.LoginAdvancedFragment
 import io.github.wulkanowy.ui.modules.login.form.LoginFormFragment
+import io.github.wulkanowy.ui.modules.login.recover.LoginRecoverFragment
 import io.github.wulkanowy.ui.modules.login.studentselect.LoginStudentSelectFragment
 import io.github.wulkanowy.ui.modules.login.symbol.LoginSymbolFragment
 import io.github.wulkanowy.utils.setOnSelectPageListener
@ -52,7 +53,8 @@ class LoginActivity : BaseActivity<LoginPresenter>(), LoginView {
                LoginFormFragment.newInstance(),
                LoginSymbolFragment.newInstance(),
                LoginStudentSelectFragment.newInstance(),
-                LoginAdvancedFragment.newInstance()
+                LoginAdvancedFragment.newInstance(),
+                LoginRecoverFragment.newInstance()
            ))
        }

@ -99,4 +101,8 @@ class LoginActivity : BaseActivity<LoginPresenter>(), LoginView {
    fun onAdvancedLoginClick() {
        presenter.onAdvancedLoginClick()
    }
+
+    fun onRecoverClick() {
+        presenter.onRecoverClick()
+    }
 }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginErrorHandler.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginErrorHandler.kt
@ -43,5 +43,8 @@ class LoginErrorHandler @Inject constructor(
        super.clear()
        onBadCredentials = {}
        onStudentDuplicate = {}
+        onInvalidToken = {}
+        onInvalidPin = {}
+        onInvalidSymbol = {}
    }
 }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginModule.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginModule.kt
@ -8,6 +8,7 @@ import io.github.wulkanowy.di.scopes.PerFragment
 import io.github.wulkanowy.ui.base.BaseFragmentPagerAdapter
 import io.github.wulkanowy.ui.modules.login.advanced.LoginAdvancedFragment
 import io.github.wulkanowy.ui.modules.login.form.LoginFormFragment
+import io.github.wulkanowy.ui.modules.login.recover.LoginRecoverFragment
 import io.github.wulkanowy.ui.modules.login.studentselect.LoginStudentSelectFragment
 import io.github.wulkanowy.ui.modules.login.symbol.LoginSymbolFragment

@ -37,4 +38,8 @@ internal abstract class LoginModule {
    @PerFragment
    @ContributesAndroidInjector
    abstract fun bindLoginSelectStudentFragment(): LoginStudentSelectFragment
+
+    @PerFragment
+    @ContributesAndroidInjector
+    abstract fun bindLoginRecoverFragment(): LoginRecoverFragment
 }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt
@ -49,11 +49,15 @@ class LoginPresenter @Inject constructor(
        view?.switchView(3)
    }

+    fun onRecoverClick() {
+        view?.switchView(4)
+    }
+
    fun onViewSelected(index: Int) {
        view?.apply {
            when (index) {
                0 -> showActionBar(false)
-                1, 2 -> showActionBar(true)
+                1, 2, 3, 4 -> showActionBar(true)
            }
        }
    }
@ -62,7 +66,7 @@ class LoginPresenter @Inject constructor(
        Timber.i("Back pressed in login view")
        view?.apply {
            when (currentViewIndex) {
-                1, 2, 3 -> switchView(0)
+                1, 2, 3, 4 -> switchView(0)
                else -> default()
            }
        }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedFragment.kt
@ -3,6 +3,8 @@ package io.github.wulkanowy.ui.modules.login.advanced
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
 import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo
 import android.widget.ArrayAdapter
@ -98,8 +100,9 @@ class LoginAdvancedFragment : BaseFragment(), LoginAdvancedView {
        loginFormSymbol.setAdapter(ArrayAdapter(requireContext(), android.R.layout.simple_list_item_1, resources.getStringArray(R.array.symbols_values)))

        with(loginFormHost) {
-            setText(hostKeys.getOrElse(0) { "" })
+            setText(hostKeys.getOrNull(0).orEmpty())
            setAdapter(LoginSymbolAdapter(context, R.layout.support_simple_spinner_dropdown_item, hostKeys))
+            setOnClickListener { if (loginFormContainer.visibility == GONE) dismissDropDown() }
        }
    }

@ -212,30 +215,30 @@ class LoginAdvancedFragment : BaseFragment(), LoginAdvancedView {
    }

    override fun showOnlyHybridModeInputs() {
-        loginFormUsernameLayout.visibility = View.VISIBLE
-        loginFormPassLayout.visibility = View.VISIBLE
-        loginFormHostLayout.visibility = View.VISIBLE
-        loginFormPinLayout.visibility = View.GONE
-        loginFormSymbolLayout.visibility = View.VISIBLE
-        loginFormTokenLayout.visibility = View.GONE
+        loginFormUsernameLayout.visibility = VISIBLE
+        loginFormPassLayout.visibility = VISIBLE
+        loginFormHostLayout.visibility = VISIBLE
+        loginFormPinLayout.visibility = GONE
+        loginFormSymbolLayout.visibility = VISIBLE
+        loginFormTokenLayout.visibility = GONE
    }

    override fun showOnlyScrapperModeInputs() {
-        loginFormUsernameLayout.visibility = View.VISIBLE
-        loginFormPassLayout.visibility = View.VISIBLE
-        loginFormHostLayout.visibility = View.VISIBLE
-        loginFormPinLayout.visibility = View.GONE
-        loginFormSymbolLayout.visibility = View.VISIBLE
-        loginFormTokenLayout.visibility = View.GONE
+        loginFormUsernameLayout.visibility = VISIBLE
+        loginFormPassLayout.visibility = VISIBLE
+        loginFormHostLayout.visibility = VISIBLE
+        loginFormPinLayout.visibility = GONE
+        loginFormSymbolLayout.visibility = VISIBLE
+        loginFormTokenLayout.visibility = GONE
    }

    override fun showOnlyMobileApiModeInputs() {
-        loginFormUsernameLayout.visibility = View.GONE
-        loginFormPassLayout.visibility = View.GONE
-        loginFormHostLayout.visibility = View.GONE
-        loginFormPinLayout.visibility = View.VISIBLE
-        loginFormSymbolLayout.visibility = View.VISIBLE
-        loginFormTokenLayout.visibility = View.VISIBLE
+        loginFormUsernameLayout.visibility = GONE
+        loginFormPassLayout.visibility = GONE
+        loginFormHostLayout.visibility = GONE
+        loginFormPinLayout.visibility = VISIBLE
+        loginFormSymbolLayout.visibility = VISIBLE
+        loginFormTokenLayout.visibility = VISIBLE
    }

    override fun showSoftKeyboard() {
@ -247,11 +250,11 @@ class LoginAdvancedFragment : BaseFragment(), LoginAdvancedView {
    }

    override fun showProgress(show: Boolean) {
-        loginFormProgress.visibility = if (show) View.VISIBLE else View.GONE
+        loginFormProgress.visibility = if (show) VISIBLE else GONE
    }

    override fun showContent(show: Boolean) {
-        loginFormContainer.visibility = if (show) View.VISIBLE else View.GONE
+        loginFormContainer.visibility = if (show) VISIBLE else GONE
    }

    override fun notifyParentAccountLogged(students: List<Student>) {
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormFragment.kt
@ -74,14 +74,15 @@ class LoginFormFragment : BaseFragment(), LoginFormView {
        loginFormPrivacyLink.setOnClickListener { presenter.onPrivacyLinkClick() }
        loginFormFaq.setOnClickListener { presenter.onFaqClick() }
        loginFormContactEmail.setOnClickListener { presenter.onEmailClick() }
-
+        loginFormRecoverLink.setOnClickListener { presenter.onRecoverClick() }
        loginFormPass.setOnEditorActionListener { _, id, _ ->
            if (id == IME_ACTION_DONE || id == IME_NULL) loginFormSignIn.callOnClick() else false
        }

        with(loginFormHost) {
-            setText(hostKeys.getOrElse(0) { "" })
+            setText(hostKeys.getOrNull(0).orEmpty())
            setAdapter(LoginSymbolAdapter(context, R.layout.support_simple_spinner_dropdown_item, hostKeys))
+            setOnClickListener { if (loginFormContainer.visibility == GONE) dismissDropDown() }
        }
    }

@ -167,6 +168,10 @@ class LoginFormFragment : BaseFragment(), LoginFormView {
        (activity as? LoginActivity)?.onAdvancedLoginClick()
    }

+    override fun onRecoverClick() {
+        (activity as? LoginActivity)?.onRecoverClick()
+    }
+
    override fun onDestroyView() {
        super.onDestroyView()
        presenter.onDetachView()
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
@ -108,6 +108,10 @@ class LoginFormPresenter @Inject constructor(
        view?.openEmail()
    }

+    fun onRecoverClick() {
+        view?.onRecoverClick()
+    }
+
    private fun validateCredentials(login: String, password: String): Boolean {
        var isCorrect = true

--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormView.kt
@ -54,4 +54,6 @@ interface LoginFormView : BaseView {
    fun openEmail()

    fun openAdvancedLogin()
+
+    fun onRecoverClick()
 }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverFragment.kt
@ -0,0 +1,209 @@
+package io.github.wulkanowy.ui.modules.login.recover
+
+import android.annotation.SuppressLint
+import android.graphics.Color
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.view.ViewGroup
+import android.webkit.JavascriptInterface
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import android.widget.ArrayAdapter
+import androidx.core.widget.doOnTextChanged
+import io.github.wulkanowy.R
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.login.LoginActivity
+import io.github.wulkanowy.ui.modules.login.form.LoginSymbolAdapter
+import io.github.wulkanowy.utils.hideSoftInput
+import io.github.wulkanowy.utils.showSoftInput
+import kotlinx.android.synthetic.main.fragment_login_recover.*
+import javax.inject.Inject
+
+class LoginRecoverFragment : BaseFragment(), LoginRecoverView {
+
+    @Inject
+    lateinit var presenter: LoginRecoverPresenter
+
+    companion object {
+        fun newInstance() = LoginRecoverFragment()
+    }
+
+    private lateinit var hostKeys: Array<String>
+
+    private lateinit var hostValues: Array<String>
+
+    override val recoverHostValue: String
+        get() = hostValues.getOrNull(hostKeys.indexOf(loginRecoverHost.text.toString())).orEmpty()
+
+    override val recoverNameValue: String
+        get() = loginRecoverName.text.toString().trim()
+
+    override val recoverSymbolValue: String
+        get() = loginRecoverSymbol.text.toString().trim()
+
+    override val emailHintString: String
+        get() = getString(R.string.login_email_hint)
+
+    override val loginPeselEmailHintString: String
+        get() = getString(R.string.login_login_pesel_email_hint)
+
+    override val invalidEmailString: String
+        get() = getString(R.string.login_invalid_email)
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_login_recover, container, false)
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        loginRecoverWebView.setBackgroundColor(Color.TRANSPARENT)
+        hostKeys = resources.getStringArray(R.array.hosts_keys)
+        hostValues = resources.getStringArray(R.array.hosts_values)
+
+        loginRecoverName.doOnTextChanged { _, _, _, _ -> presenter.onNameTextChanged() }
+        loginRecoverHost.setOnItemClickListener { _, _, _, _ -> presenter.onHostSelected() }
+        loginRecoverButton.setOnClickListener { presenter.onRecoverClick() }
+        loginRecoverErrorRetry.setOnClickListener { presenter.onRecoverClick() }
+        loginRecoverErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        loginRecoverLogin.setOnClickListener { (activity as LoginActivity).switchView(0) }
+
+        loginRecoverSymbol.setAdapter(ArrayAdapter(requireContext(), android.R.layout.simple_list_item_1, resources.getStringArray(R.array.symbols_values)))
+
+        with(loginRecoverHost) {
+            setText(hostKeys.getOrNull(0).orEmpty())
+            setAdapter(LoginSymbolAdapter(context, R.layout.support_simple_spinner_dropdown_item, hostKeys))
+            setOnClickListener { if (loginRecoverFormContainer.visibility == GONE) dismissDropDown() }
+        }
+    }
+
+    override fun setDefaultCredentials(username: String, symbol: String) {
+        loginRecoverName.setText(username)
+        loginRecoverSymbol.setText(symbol)
+    }
+
+    override fun setErrorNameRequired() {
+        with(loginRecoverNameLayout) {
+            requestFocus()
+            error = getString(R.string.login_field_required)
+        }
+    }
+
+    override fun setUsernameHint(hint: String) {
+        loginRecoverNameLayout.hint = hint
+    }
+
+    override fun setUsernameError(message: String) {
+        with(loginRecoverNameLayout) {
+            requestFocus()
+            error = message
+        }
+    }
+
+    override fun clearUsernameError() {
+        loginRecoverNameLayout.error = null
+    }
+
+    override fun showSymbol(show: Boolean) {
+        loginRecoverSymbolLayout.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showProgress(show: Boolean) {
+        loginRecoverProgress.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showRecoverForm(show: Boolean) {
+        loginRecoverFormContainer.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showCaptcha(show: Boolean) {
+        loginRecoverCaptchaContainer.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        loginRecoverError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        loginRecoverErrorMessage.text = message
+    }
+
+    override fun showSuccessView(show: Boolean) {
+        loginRecoverSuccess.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setSuccessTitle(title: String) {
+        loginRecoverSuccessTitle.text = title
+    }
+
+    override fun setSuccessMessage(message: String) {
+        loginRecoverSuccessMessage.text = message
+    }
+
+    override fun showSoftKeyboard() {
+        activity?.showSoftInput()
+    }
+
+    override fun hideSoftKeyboard() {
+        activity?.hideSoftInput()
+    }
+
+    @SuppressLint("SetJavaScriptEnabled", "AddJavascriptInterface")
+    override fun loadReCaptcha(siteKey: String, url: String) {
+        val html = """
+            <div style="position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);" id="recaptcha"></div>
+            <script src="https://www.google.com/recaptcha/api.js?onload=cl&render=explicit&hl=pl" async defer></script>
+            <script>var cl=()=>grecaptcha.render("recaptcha",{
+            sitekey:'$siteKey',
+            callback:e =>Android.captchaCallback(e)})</script>
+        """.trimIndent()
+
+        with(loginRecoverWebView) {
+            settings.javaScriptEnabled = true
+            webViewClient = object : WebViewClient() {
+                private var recoverWebViewSuccess: Boolean = true
+
+                override fun onPageFinished(view: WebView?, url: String?) {
+                    if (recoverWebViewSuccess) {
+                        showCaptcha(true)
+                        showProgress(false)
+                    } else {
+                        showProgress(false)
+                        showErrorView(true)
+                    }
+                }
+
+                override fun onReceivedError(view: WebView, errorCode: Int, description: String, failingUrl: String) {
+                    recoverWebViewSuccess = false
+                }
+            }
+
+            loadDataWithBaseURL(url, html, "text/html", "UTF-8", null)
+            addJavascriptInterface(object {
+                @JavascriptInterface
+                fun captchaCallback(reCaptchaResponse: String) {
+                    activity?.runOnUiThread {
+                        presenter.onReCaptchaVerified(reCaptchaResponse)
+                    }
+                }
+            }, "Android")
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        presenter.updateFields()
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        loginRecoverWebView.destroy()
+        presenter.onDetachView()
+    }
+}
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt
@ -0,0 +1,157 @@
+package io.github.wulkanowy.ui.modules.login.recover
+
+import io.github.wulkanowy.data.repositories.recover.RecoverRepository
+import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.ifNullOrBlank
+import timber.log.Timber
+import javax.inject.Inject
+
+class LoginRecoverPresenter @Inject constructor(
+    schedulers: SchedulersProvider,
+    studentRepository: StudentRepository,
+    private val loginErrorHandler: RecoverErrorHandler,
+    private val analytics: FirebaseAnalyticsHelper,
+    private val recoverRepository: RecoverRepository
+) : BasePresenter<LoginRecoverView>(loginErrorHandler, studentRepository, schedulers) {
+
+    private lateinit var lastError: Throwable
+
+    override fun onAttachView(view: LoginRecoverView) {
+        super.onAttachView(view)
+        view.initView()
+
+        with(loginErrorHandler) {
+            showErrorMessage = ::showErrorMessage
+            onInvalidUsername = ::onInvalidUsername
+            onInvalidCaptcha = ::onInvalidCaptcha
+        }
+    }
+
+    fun onNameTextChanged() {
+        view?.clearUsernameError()
+    }
+
+    fun onHostSelected() {
+        view?.run {
+            if ("fakelog" in recoverHostValue) setDefaultCredentials("jan@fakelog.cf", "Default")
+            clearUsernameError()
+            updateFields()
+        }
+    }
+
+    fun updateFields() {
+        view?.run {
+            if ("fakelog" in recoverHostValue || "vulcan" in recoverHostValue) {
+                showSymbol(true)
+                setUsernameHint(emailHintString)
+            } else {
+                showSymbol(false)
+                setUsernameHint(loginPeselEmailHintString)
+            }
+        }
+    }
+
+    fun onRecoverClick() {
+        val username = view?.recoverNameValue.orEmpty()
+        val host = view?.recoverHostValue.orEmpty()
+        val symbol = view?.recoverSymbolValue.ifNullOrBlank { "Default" }
+
+        if (username.isEmpty()) {
+            view?.setErrorNameRequired()
+            return
+        }
+
+        if (("fakelog" in host || "vulcan" in host) && "@" !in username) {
+            view?.setUsernameError(view?.invalidEmailString.orEmpty())
+            return
+        }
+
+        disposable.add(recoverRepository.getReCaptchaSiteKey(host, symbol)
+            .subscribeOn(schedulers.backgroundThread)
+            .observeOn(schedulers.mainThread)
+            .doOnSubscribe {
+                view?.run {
+                    hideSoftKeyboard()
+                    showRecoverForm(false)
+                    showProgress(true)
+                    showErrorView(false)
+                    showCaptcha(false)
+                }
+            }
+            .subscribe({ (resetUrl, siteKey) ->
+                view?.loadReCaptcha(siteKey, resetUrl)
+            }) {
+                Timber.e("Obtain captcha site key result: An exception occurred")
+                errorHandler.dispatch(it)
+            })
+    }
+
+    fun onReCaptchaVerified(reCaptchaResponse: String) {
+        val username = view?.recoverNameValue.orEmpty()
+        val host = view?.recoverHostValue.orEmpty()
+        val symbol = view?.recoverSymbolValue.ifNullOrBlank { "Default" }
+
+        with(disposable) {
+            clear()
+            add(recoverRepository.sendRecoverRequest(host, symbol, username, reCaptchaResponse)
+                .subscribeOn(schedulers.backgroundThread)
+                .observeOn(schedulers.mainThread)
+                .doOnSubscribe {
+                    view?.run {
+                        showProgress(true)
+                        showRecoverForm(false)
+                        showCaptcha(false)
+                    }
+                }
+                .doFinally {
+                    view?.showProgress(false)
+                }
+                .subscribe({
+                    view?.run {
+                        showSuccessView(true)
+                        setSuccessTitle(it.substringBefore(". "))
+                        setSuccessMessage(it.substringAfter(". "))
+                    }
+
+                    analytics.logEvent("account_recover", "register" to host, "symbol" to symbol, "success" to true)
+                }) {
+                    Timber.e("Send recover request result: An exception occurred")
+                    errorHandler.dispatch(it)
+                    analytics.logEvent("account_recover", "register" to host, "symbol" to symbol, "success" to false)
+                })
+        }
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun showErrorMessage(message: String, error: Throwable) {
+        view?.run {
+            lastError = error
+            showProgress(false)
+            setErrorDetails(message)
+            showErrorView(true)
+        }
+    }
+
+    private fun onInvalidUsername(message: String) {
+        view?.run {
+            setUsernameError(message)
+            showRecoverForm(true)
+        }
+    }
+
+    private fun onInvalidCaptcha(message: String, error: Throwable) {
+        view?.run {
+            lastError = error
+            setErrorDetails(message)
+            showCaptcha(false)
+            showRecoverForm(false)
+            showErrorView(true)
+        }
+    }
+}
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverView.kt
@ -0,0 +1,54 @@
+package io.github.wulkanowy.ui.modules.login.recover
+
+import io.github.wulkanowy.ui.base.BaseView
+
+interface LoginRecoverView : BaseView {
+
+    val recoverHostValue: String
+
+    val recoverNameValue: String
+
+    val recoverSymbolValue: String
+
+    val emailHintString: String
+
+    val loginPeselEmailHintString: String
+
+    val invalidEmailString: String
+
+    fun initView()
+
+    fun setDefaultCredentials(username: String, symbol: String)
+
+    fun clearUsernameError()
+
+    fun showSymbol(show: Boolean)
+
+    fun setErrorNameRequired()
+
+    fun setUsernameHint(hint: String)
+
+    fun setUsernameError(message: String)
+
+    fun showSoftKeyboard()
+
+    fun hideSoftKeyboard()
+
+    fun showProgress(show: Boolean)
+
+    fun showRecoverForm(show: Boolean)
+
+    fun showCaptcha(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun showSuccessView(show: Boolean)
+
+    fun setSuccessMessage(message: String)
+
+    fun setSuccessTitle(title: String)
+
+    fun loadReCaptcha(siteKey: String, url: String)
+}
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/RecoverErrorHandler.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/RecoverErrorHandler.kt
@ -0,0 +1,32 @@
+package io.github.wulkanowy.ui.modules.login.recover
+
+import android.content.res.Resources
+import com.readystatesoftware.chuck.api.ChuckCollector
+import io.github.wulkanowy.sdk.scrapper.exception.InvalidCaptchaException
+import io.github.wulkanowy.sdk.scrapper.exception.InvalidEmailException
+import io.github.wulkanowy.sdk.scrapper.exception.NoAccountFoundException
+import io.github.wulkanowy.ui.base.ErrorHandler
+import javax.inject.Inject
+
+class RecoverErrorHandler @Inject constructor(
+    resources: Resources,
+    chuckCollector: ChuckCollector
+) : ErrorHandler(resources, chuckCollector) {
+
+    var onInvalidUsername: (String) -> Unit = {}
+
+    var onInvalidCaptcha: (String, Throwable) -> Unit = { _, _ -> }
+
+    override fun proceed(error: Throwable) {
+        when (error) {
+            is InvalidEmailException, is NoAccountFoundException -> onInvalidUsername(error.localizedMessage.orEmpty())
+            is InvalidCaptchaException -> onInvalidCaptcha(error.localizedMessage.orEmpty(), error)
+            else -> super.proceed(error)
+        }
+    }
+
+    override fun clear() {
+        super.clear()
+        onInvalidUsername = {}
+    }
+}