Added an periodical backup to the telegram bot

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -41,6 +41,14 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 
 	private val prefs = PreferenceManager.getDefaultSharedPreferences(context)
 	private val connectivityManager = context.connectivityManager
+	private val preferences: SharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+
+
+	var telegramChatId: String?
+		get() = preferences.getString("telegram_chat_id", null)
+		set(value) {
+			preferences.edit().putString("telegram_chat_id", value).apply()
+		}
 
 	var listMode: ListMode
 		get() = prefs.getEnumValue(KEY_LIST_MODE, ListMode.GRID)

app/src/main/kotlin/org/koitharu/kotatsu/settings/backup/PeriodicalBackupSettingsFragment.kt

@@ -5,6 +5,7 @@ import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
 import android.view.View
+import android.widget.Toast
 import androidx.activity.result.ActivityResultCallback
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.documentfile.provider.DocumentFile
@@ -20,7 +21,13 @@ import org.koitharu.kotatsu.core.ui.BasePreferenceFragment
 import org.koitharu.kotatsu.core.util.ext.resolveFile
 import org.koitharu.kotatsu.core.util.ext.tryLaunch
 import org.koitharu.kotatsu.core.util.ext.viewLifecycleScope
+import okhttp3.Call
+import okhttp3.Callback
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.Response
 import java.io.File
+import java.io.IOException
 import java.text.SimpleDateFormat
 import javax.inject.Inject
 
@@ -38,7 +45,100 @@ class PeriodicalBackupSettingsFragment : BasePreferenceFragment(R.string.periodi
 
 	override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
 		addPreferencesFromResource(R.xml.pref_backup_periodic)
+
+		val openTelegramBotPreference = findPreference<Preference>("open_telegram_chat")
+
+		openTelegramBotPreference?.setOnPreferenceClickListener {
+			openTelegramBot("kotatsu_backup_bot")
+			true
+		}
+		// Кнопка для проверки работы API
+		val checkApiButton = Preference(requireContext()).apply {
+			key = "check_api_working"
+			title = "Проверить работу API"
+			summary = "Нажмите для проверки работы Telegram Bot API"
+		}
+
+		checkApiButton.setOnPreferenceClickListener {
+			val apiKey = "7455491254:AAGYJKgpP1DZN3d9KZfb8tvtIdaIMxUayXM" // Получите API Key из настроек
+			if (apiKey.isNotEmpty()) {
+				checkTelegramBotApiKey(apiKey)
+			} else {
+				Toast.makeText(requireContext(), "Введите API Key в настройках!", Toast.LENGTH_SHORT).show()
+			}
+			true
+		}
+
+		preferenceScreen.addPreference(checkApiButton)
 	}
+	private fun checkTelegramBotApiKey(apiKey: String) {
+		val url = "https://api.telegram.org/bot$apiKey/getMe"
+
+		val client = OkHttpClient()
+		val request = Request.Builder()
+			.url(url)
+			.build()
+
+		client.newCall(request).enqueue(object : Callback {
+			override fun onResponse(call: Call, response: Response) {
+				requireActivity().runOnUiThread {
+					if (response.isSuccessful) {
+						sendMessageToTelegram(apiKey, "Kotatsu's backup in Telegram is working!!")
+					}
+				}
+			}
+
+			override fun onFailure(call: Call, e: IOException) {
+				requireActivity().runOnUiThread {
+					Toast.makeText(requireContext(), "Network error! Check your Net", Toast.LENGTH_SHORT).show()
+				}
+			}
+		})
+	}
+	private fun openTelegramBot(botUsername: String) {
+		try {
+			val telegramIntent = Intent(Intent.ACTION_VIEW)
+			telegramIntent.data = Uri.parse("https://t.me/$botUsername")
+			telegramIntent.setPackage("org.telegram.messenger")
+			startActivity(telegramIntent)
+		} catch (e: Exception) {
+			// Если Telegram не установлен, открываем через браузер
+			val browserIntent = Intent(Intent.ACTION_VIEW, Uri.parse("https://t.me/$botUsername"))
+			startActivity(browserIntent)
+		}
+	}
+	private fun sendMessageToTelegram(apiKey: String, message: String) {
+		val chatId = settings.telegramChatId
+		if (chatId.isNullOrEmpty()) {
+			Toast.makeText(requireContext(), "Chat ID is not set!", Toast.LENGTH_SHORT).show()
+			return
+		}
+
+		val url = "https://api.telegram.org/bot$apiKey/sendMessage?chat_id=$chatId&text=$message"
+		val client = OkHttpClient()
+		val request = Request.Builder()
+			.url(url)
+			.build()
+
+		client.newCall(request).enqueue(object : Callback {
+			override fun onResponse(call: Call, response: Response) {
+				requireActivity().runOnUiThread {
+					if (response.isSuccessful) {
+						Toast.makeText(requireContext(), "Success! Check Telegram Bot", Toast.LENGTH_SHORT).show()
+					} else {
+						Toast.makeText(requireContext(), "OOPS! Something went wrong", Toast.LENGTH_SHORT).show()
+					}
+				}
+			}
+
+			override fun onFailure(call: Call, e: IOException) {
+				requireActivity().runOnUiThread {
+					Toast.makeText(requireContext(), "Network error!", Toast.LENGTH_SHORT).show()
+				}
+			}
+		})
+	}
+
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)

app/src/main/kotlin/org/koitharu/kotatsu/settings/backup/PeriodicalBackupWorker.kt

@@ -25,6 +25,15 @@ import org.koitharu.kotatsu.settings.work.PeriodicWorkScheduler
 import java.util.Date
 import java.util.concurrent.TimeUnit
 import javax.inject.Inject
+import okhttp3.Call
+import okhttp3.Callback
+import okhttp3.MediaType.Companion.toMediaTypeOrNull
+import okhttp3.MultipartBody
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.RequestBody.Companion.asRequestBody
+import okhttp3.Response
+import java.io.File
 
 @HiltWorker
 class PeriodicalBackupWorker @AssistedInject constructor(
@@ -54,8 +63,40 @@ class PeriodicalBackupWorker @AssistedInject constructor(
 		applicationContext.contentResolver.openOutputStream(target, "wt")?.use { output ->
 			file.inputStream().copyTo(output)
 		} ?: return Result.failure()
+
+		val botToken = "7455491254:AAGYJKgpP1DZN3d9KZfb8tvtIdaIMxUayXM"
+		val chatId = settings.telegramChatId ?: return Result.failure()
+
+		val success = sendBackupToTelegram(file, botToken, chatId)
+
 		file.deleteAwait()
-		return Result.success(resultData)
+
+		return if (success) {
+			Result.success(resultData)
+		} else {
+			Result.failure()
+		}
+	}
+
+	fun sendBackupToTelegram(file: File, botToken: String, chatId: String): Boolean {
+		val client = OkHttpClient()
+		val mediaType = "application/zip".toMediaTypeOrNull()
+		val requestBody = file.asRequestBody(mediaType)
+
+		val multipartBody = MultipartBody.Builder()
+			.setType(MultipartBody.FORM)
+			.addFormDataPart("chat_id", chatId)
+			.addFormDataPart("document", file.name, requestBody)
+			.build()
+
+		val request = Request.Builder()
+			.url("https://api.telegram.org/bot$botToken/sendDocument")
+			.post(multipartBody)
+			.build()
+
+		client.newCall(request).execute().use { response ->
+			return response.isSuccessful
+		}
 	}
 
 	@Reusable

app/src/main/res/xml/pref_backup_periodic.xml

@@ -32,4 +32,16 @@
 		app:allowDividerAbove="true"
 		app:isPreferenceVisible="false" />
 
+	<Preference
+		android:key="open_telegram_chat"
+		android:title="Open Telegram Bot"
+		android:summary="Press to open chat with Kotatsu Backup Bot" />
+	<EditTextPreference
+		android:key="telegram_chat_id"
+		android:title="Telegram Chat ID"
+		android:inputType="text"
+		android:defaultValue=""
+		android:summary="Enter the chat ID where backups should be sent" />
+
+
 </androidx.preference.PreferenceScreen>