Добавил утилиты для дебаунса и проверки интернета

app/src/main/java/ru/practicum/android/diploma/util/DebounceExtension.kt

@@ -0,0 +1,30 @@
+package ru.practicum.android.diploma.util
+
+import android.view.View
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+
+class DebounceExtension(private val delayMillis: Long, private val action: () -> Unit) {
+    private var debounceJob: Job? = null
+    fun debounce() {
+        debounceJob?.cancel()
+        debounceJob = CoroutineScope(Dispatchers.Main).launch {
+            delay(delayMillis)
+            action.invoke()
+        }
+    }
+}
+
+fun View.setDebouncedClickListener(delayMillis: Long = NumericConstants.HALF_SECOND, onClick: () -> Unit) {
+    var debounceJob: Job? = null
+    setOnClickListener {
+        debounceJob?.cancel()
+        debounceJob = CoroutineScope(Dispatchers.Main).launch {
+            delay(delayMillis)
+            onClick()
+        }
+    }
+}

app/src/main/java/ru/practicum/android/diploma/util/NetworkUtils.kt

@@ -0,0 +1,21 @@
+
+package ru.practicum.android.diploma.util
+
+import android.content.Context
+import android.net.ConnectivityManager
+import android.net.NetworkCapabilities
+
+fun isInternetAvailable(context: Context): Boolean {
+    val connectivityManager = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
+    val capabilities = connectivityManager.getNetworkCapabilities(connectivityManager.activeNetwork)
+    var result = false
+    if (capabilities != null) {
+        result = when {
+            capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) -> true
+            capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI) -> true
+            capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET) -> true
+            else -> false
+        }
+    }
+    return result
+}

app/src/main/java/ru/practicum/android/diploma/util/NumericConstants.kt

@@ -0,0 +1,7 @@
+package ru.practicum.android.diploma.util
+
+object NumericConstants {
+    const val HALF_SECOND = 500L
+    const val ONE_SECOND = 1000L
+    const val TWO_SECONDS = 2000L
+}