Exercise 8: Local-First Loading with DB + Network

FakeApi.kt

object FakeApi {
    suspend fun fetchItems(): List<String> {
        // TODO use context swiching
        delay(1500)
        if ((1..10).random() < 5) {
            throw IOException("Network error: Failed to reach server")
        }
        return List(10) { i -> "Item #${(100..999).random()}" }
    }
}

FakeDatabase.kt

object FakeDatabase {
    private var items = mutableListOf<String>()

    suspend fun readItems(): List<String> {
        // TODO use context swiching
        delay(500)
        if ((1..10).random() < 3) {
            throw IOException("Local DB corrupted: failed to read data")
        }
        return items
    }

    suspend fun saveItems(newItems: List<String>) {
        // TODO use context swiching
        delay(300)
        // TODO implement save logic
    }
}