Extension functions that fire [CoroutineScope] (support: [Dispatchers.IO], [Dispatchers.Main], [Dispatchers.Default]) respective to [AppCompatActivity]/[Fragment]/[ViewModel]. Functions are called under the parent [CoroutineScope] of respective [AppCompatActivity]/[Fragment]/[ViewModel], So if the parent is no longer exists, cancel any ongoing o…

FrameworkExtensions.kt

/**
 * Extension functions that fire [CoroutineScope] (support: [Dispatchers.IO], [Dispatchers.Main], [Dispatchers.Default]) respective to [AppCompatActivity]/[Fragment]/[ViewModel].
 * Functions are called under the parent [CoroutineScope] of respective [AppCompatActivity]/[Fragment]/[ViewModel],
 * So if the parent is no longer exists, cancel any ongoing operation automatically.
 */

private suspend fun CoroutineScope.executeBody(block: suspend CoroutineScope.() -> Unit) {
    try {
        block.invoke(this)
    } catch (e: Exception) {
        e.printStackTrace(); logThis(e.message ?: "")
    }
}

fun AppCompatActivity.mainScope(block: suspend CoroutineScope.() -> Unit) =
    lifecycleScope.launch { executeBody(block) }

suspend fun AppCompatActivity.mainScopeSuspended(block: suspend CoroutineScope.() -> Unit) =
    withContext(Dispatchers.Main) { executeBody(block) }

fun AppCompatActivity.ioScope(block: suspend CoroutineScope.() -> Unit) =
    lifecycleScope.launch { executeBody(block) }

suspend fun AppCompatActivity.ioScopeSuspended(block: suspend CoroutineScope.() -> Unit) =
    withContext(Dispatchers.IO) { executeBody(block) }

fun AppCompatActivity.defaultScope(block: suspend CoroutineScope.() -> Unit) =
    lifecycleScope.launch { withContext(Dispatchers.Default) { executeBody(block) } }

suspend fun AppCompatActivity.defaultScopeSuspended(block: suspend CoroutineScope.() -> Unit) =
    withContext(Dispatchers.Default) { executeBody(block) }

fun Fragment.mainScope(block: suspend CoroutineScope.() -> Unit) =
    lifecycleScope.launch { executeBody(block) }

suspend fun Fragment.mainScopeSuspended(block: suspend CoroutineScope.() -> Unit) =
    withContext(Dispatchers.Main) { executeBody(block) }

fun Fragment.ioScope(block: suspend CoroutineScope.() -> Unit) =
    lifecycleScope.launch { withContext(Dispatchers.IO) { executeBody(block) } }

suspend fun Fragment.ioScopeSuspended(block: suspend CoroutineScope.() -> Unit) =
    withContext(Dispatchers.IO) { executeBody(block) }

fun Fragment.defaultScope(block: suspend CoroutineScope.() -> Unit) =
    lifecycleScope.launch { withContext(Dispatchers.Default) { executeBody(block) } }

suspend fun Fragment.defaultScopeSuspended(block: suspend CoroutineScope.() -> Unit) =
    withContext(Dispatchers.Default) { executeBody(block) }

fun ViewModel.mainScope(block: suspend CoroutineScope.() -> Unit) =
    viewModelScope.launch { executeBody(block) }

suspend fun ViewModel.mainScopeSuspended(block: suspend CoroutineScope.() -> Unit) =
    withContext(Dispatchers.Main) { executeBody(block) }

fun ViewModel.ioScope(block: suspend CoroutineScope.() -> Unit) =
    viewModelScope.launch { withContext(Dispatchers.IO) { executeBody(block) } }

suspend fun ViewModel.ioScopeSuspended(block: suspend CoroutineScope.() -> Unit) =
    withContext(Dispatchers.IO) { executeBody(block) }

fun ViewModel.defaultScope(block: suspend CoroutineScope.() -> Unit) =
    viewModelScope.launch { withContext(Dispatchers.Default) { executeBody(block) } }

suspend fun ViewModel.defaultScopeSuspended(block: suspend CoroutineScope.() -> Unit) =
    withContext(Dispatchers.Default) {
        executeBody(block)