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class FactsViewModel | |
@Inject constructor(private val getRandomFactUseCase: GetRandomFactUseCase) : BaseViewModel() { | |
companion object { | |
const val FIRST_FACT = 0L | |
} | |
val fact = MutableLiveData<FactUi>() | |
init { | |
getFact(FIRST_FACT) |
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class FactsFragment : BaseFragment<FragmentFactsBinding, FactsViewModel>() { | |
// Bounce down animation distance | |
private val halfScreenHeight: Float by lazy { | |
context?.resources?.displayMetrics?.heightPixels?.div(2f)!! | |
} | |
private lateinit var springAnimation: SpringAnimation | |
override fun onViewCreated(view: View, savedInstanceState: Bundle?) { |
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abstract class BaseFragment<VB : ViewDataBinding, VM : BaseViewModel> : DaggerFragment() { | |
abstract fun getViewModelClass(): Class<VM> | |
abstract fun layoutId(): Int | |
@Inject | |
lateinit var viewModelFactory: ViewModelProvider.Factory | |
protected lateinit var binding: VB | |
protected lateinit var viewModel: VM |
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class DateTimeHandler { | |
fun currentEpochSecs(): Long = Instant.now(Clock.systemDefaultZone()).epochSecond | |
fun currentLocalDate(): LocalDate = LocalDate.now(ZoneId.systemDefault()) | |
... | |
} |
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class GetAllConsumedSweetsUseCase(private val repo: ConsumedSweetsRepo) : | |
SingleUseCase<List<ConsumedSweet>> { | |
override fun execute(): Single<List<ConsumedSweet>> { | |
return repo.getAllConsumedSweets() | |
} | |
} |
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data class ConsumedSweet( | |
val id: Long = 0, | |
val sweetId: Long, | |
val g: Long, | |
val date: Long, | |
val sweet: Sweet) |
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interface FactRepo { | |
fun getRandomFact(currentFactId: Long): Single<Fact> | |
fun downloadAllFactsAndSave(): Completable | |
} |
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interface CompletableUseCaseWithParameter<P> { | |
fun execute(parameter: P): Completable | |
} |
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enum class MeasurementUnit { | |
GRAM { | |
override val ratioWithGrams: Int = 1 | |
}, | |
OUNCE { | |
override val ratioWithGrams: Int = 28 | |
}; | |
abstract val ratioWithGrams: Int | |
} |
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//Constructing the PagedList (in viewModel for example) | |
private static final int INITIAL_LOAD_KEY = 0; | |
private static final int PAGE_SIZE = 15; | |
private static final int PREFETCH_DISTANCE = 5; | |
final MutableLiveData<PagedList<Item>> itemList = new MutableLiveData<>(); | |
public void load(Executor uiExecutor, Executor threadPoolExecutor) { | |
Box<Item> db = DataBase.getInstance(getContext()); |