mirror of
https://github.com/kiwix/kiwix-android.git
synced 2025-08-03 18:56:44 -04:00
Refactored the ZimManageViewModel to fetch the library reactively from the network and laid the groundwork for applying filters in network requests.
This commit is contained in:
MohitMaliFtechiz
parent
d9a10b30a6
commit
8b02f96c1c
@ -57,6 +57,7 @@ import org.kiwix.kiwixmobile.core.R.string
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import org.kiwix.kiwixmobile.core.base.BaseActivity
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import org.kiwix.kiwixmobile.core.base.BaseFragment
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import org.kiwix.kiwixmobile.core.base.FragmentActivityExtensions
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import org.kiwix.kiwixmobile.core.data.remote.KiwixService.Companion.ITEMS_PER_PAGE
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import org.kiwix.kiwixmobile.core.downloader.Downloader
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import org.kiwix.kiwixmobile.core.downloader.downloadManager.ZERO
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import org.kiwix.kiwixmobile.core.extensions.ActivityExtensions.hasNotificationPermission
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@ -76,6 +77,7 @@ import org.kiwix.kiwixmobile.core.navigateToAppSettings
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import org.kiwix.kiwixmobile.core.navigateToSettings
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import org.kiwix.kiwixmobile.core.page.SEARCH_ICON_TESTING_TAG
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import org.kiwix.kiwixmobile.core.ui.components.NavigationIcon
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import org.kiwix.kiwixmobile.core.ui.components.ONE
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import org.kiwix.kiwixmobile.core.ui.components.rememberBottomNavigationVisibility
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import org.kiwix.kiwixmobile.core.ui.models.ActionMenuItem
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import org.kiwix.kiwixmobile.core.ui.models.IconItem
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@ -89,11 +91,13 @@ import org.kiwix.kiwixmobile.core.utils.SharedPreferenceUtil
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import org.kiwix.kiwixmobile.core.utils.dialog.AlertDialogShower
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import org.kiwix.kiwixmobile.core.utils.dialog.DialogHost
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import org.kiwix.kiwixmobile.core.utils.dialog.KiwixDialog
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import org.kiwix.kiwixmobile.core.utils.files.Log
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import org.kiwix.kiwixmobile.core.zim_manager.NetworkState
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import org.kiwix.kiwixmobile.main.KiwixMainActivity
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import org.kiwix.kiwixmobile.storage.STORAGE_SELECT_STORAGE_TITLE_TEXTVIEW_SIZE
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import org.kiwix.kiwixmobile.storage.StorageSelectDialog
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import org.kiwix.kiwixmobile.zimManager.ZimManageViewModel
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import org.kiwix.kiwixmobile.zimManager.ZimManageViewModel.OnlineLibraryRequest
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import org.kiwix.kiwixmobile.zimManager.libraryView.AvailableSpaceCalculator
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import org.kiwix.kiwixmobile.zimManager.libraryView.adapter.LibraryListItem
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import javax.inject.Inject
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@ -138,11 +142,37 @@ class OnlineLibraryFragment : BaseFragment(), FragmentActivityExtensions {
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isSearchActive = false,
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searchText = "",
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searchValueChangedListener = { onSearchValueChanged(it) },
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clearSearchButtonClickListener = { onSearchClear() }
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clearSearchButtonClickListener = { onSearchClear() },
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onLoadMore = { totalItemShowingCount ->
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loadMoreBooksFromNetwork(totalItemShowingCount)
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},
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isLoadingMoreItem = false
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)
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)
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}
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private fun loadMoreBooksFromNetwork(totalItemShowingCount: Int) {
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val totalResults = zimManageViewModel.onlineLibraryManager.totalResult
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val totalPages =
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zimManageViewModel.onlineLibraryManager.calculateTotalPages(
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totalResults,
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ITEMS_PER_PAGE
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)
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val currentPage = totalItemShowingCount / ITEMS_PER_PAGE
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val nextPage = currentPage + ONE
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if (nextPage < totalPages) {
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zimManageViewModel.updateOnlineLibraryFilters(
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zimManageViewModel.onlineLibraryRequest.value.copy(
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page = nextPage,
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isLoadMoreItem = true
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)
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)
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} else {
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Log.d("OnlineLibrary", "All pages loaded")
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}
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}
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private fun onSearchClear() {
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onlineLibraryScreenState.value.update {
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copy(searchText = "")
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@ -250,9 +280,17 @@ class OnlineLibraryFragment : BaseFragment(), FragmentActivityExtensions {
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}
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observeViewModelData()
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showPreviouslySearchedTextInSearchView()
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startDownloadingLibrary()
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startDownloadingLibrary(getOnlineLibraryRequest())
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}
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private fun getOnlineLibraryRequest(): OnlineLibraryRequest = OnlineLibraryRequest(
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null,
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null,
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null,
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false,
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1
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)
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private fun observeViewModelData() {
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zimManageViewModel.apply {
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// Observe when library items changes.
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@ -265,12 +303,13 @@ class OnlineLibraryFragment : BaseFragment(), FragmentActivityExtensions {
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}
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// Observe when online library downloading.
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onlineLibraryDownloading
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.onEach {
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if (it) {
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.onEach { (initialLibraryDownloading, loadingMoreItem) ->
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if (initialLibraryDownloading) {
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showProgressBarOfFetchingOnlineLibrary()
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} else {
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hideProgressBarOfFetchingOnlineLibrary()
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}
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onlineLibraryScreenState.value.update { copy(isLoadingMoreItem = loadingMoreItem) }
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}.launchIn(viewLifecycleOwner.lifecycleScope)
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// Observe when library list refreshing e.g. applying filters.
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libraryListIsRefreshing.observe(
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@ -369,7 +408,7 @@ class OnlineLibraryFragment : BaseFragment(), FragmentActivityExtensions {
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// User allowed downloading over mobile data.
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// Since the download flow now triggers only when appropriate,
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// we start the library download explicitly after updating the preference.
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startDownloadingLibrary(true)
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startDownloadingLibrary(getOnlineLibraryRequest())
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},
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{
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context.toast(
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@ -456,18 +495,15 @@ class OnlineLibraryFragment : BaseFragment(), FragmentActivityExtensions {
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NetworkState.CONNECTED -> {
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when {
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NetworkUtils.isWiFi(requireContext()) -> {
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if (!zimManageViewModel.isOnlineLibraryDownloading) {
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refreshFragment(false)
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}
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}
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noWifiWithWifiOnlyPreferenceSet -> {
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hideRecyclerviewAndShowSwipeDownForLibraryErrorText()
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}
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onlineLibraryScreenState.value.value.onlineLibraryList.isNullOrEmpty() &&
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!zimManageViewModel.isOnlineLibraryDownloading -> {
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startDownloadingLibrary(true)
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onlineLibraryScreenState.value.value.onlineLibraryList.isNullOrEmpty() -> {
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startDownloadingLibrary(getOnlineLibraryRequest())
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showProgressBarOfFetchingOnlineLibrary()
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}
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}
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@ -525,15 +561,15 @@ class OnlineLibraryFragment : BaseFragment(), FragmentActivityExtensions {
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if (isNotConnected) {
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showNoInternetConnectionError()
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} else {
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startDownloadingLibrary(isExplicitRefresh)
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startDownloadingLibrary(getOnlineLibraryRequest())
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if (isExplicitRefresh) {
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showRecyclerviewAndHideSwipeDownForLibraryErrorText()
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}
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}
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}
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private fun startDownloadingLibrary(isExplicitRefresh: Boolean = false) {
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zimManageViewModel.requestOnlineLibraryIfNeeded(isExplicitRefresh)
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private fun startDownloadingLibrary(onlineLibraryRequest: OnlineLibraryRequest) {
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zimManageViewModel.updateOnlineLibraryFilters(onlineLibraryRequest)
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}
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private fun downloadFile() {
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@ -30,6 +30,7 @@ import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.size
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import androidx.compose.foundation.layout.width
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import androidx.compose.foundation.lazy.LazyColumn
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import androidx.compose.foundation.lazy.LazyListScope
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import androidx.compose.foundation.lazy.LazyListState
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import androidx.compose.foundation.lazy.items
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import androidx.compose.foundation.rememberScrollState
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@ -42,6 +43,9 @@ import androidx.compose.material3.Scaffold
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import androidx.compose.material3.Text
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import androidx.compose.material3.TopAppBarDefaults
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.runtime.derivedStateOf
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import androidx.compose.runtime.snapshotFlow
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.input.nestedscroll.nestedScroll
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@ -51,7 +55,11 @@ import androidx.compose.ui.semantics.semantics
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import androidx.compose.ui.semantics.testTag
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import androidx.compose.ui.text.font.FontWeight
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import androidx.compose.ui.text.style.TextAlign
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import kotlinx.coroutines.flow.distinctUntilChanged
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import kotlinx.coroutines.flow.filter
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import org.kiwix.kiwixmobile.core.R.string
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import org.kiwix.kiwixmobile.core.downloader.downloadManager.FIVE
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import org.kiwix.kiwixmobile.core.downloader.downloadManager.ZERO
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import org.kiwix.kiwixmobile.core.extensions.hideKeyboardOnLazyColumnScroll
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import org.kiwix.kiwixmobile.core.main.reader.rememberScrollBehavior
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import org.kiwix.kiwixmobile.core.ui.components.ContentLoadingProgressBar
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@ -194,6 +202,46 @@ private fun OnlineLibraryList(state: OnlineLibraryScreenState, lazyListState: La
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}
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}
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}
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showLoadMoreProgressBar(state.isLoadingMoreItem)
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}
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LaunchedEffect(state.isLoadingMoreItem) {
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if (state.isLoadingMoreItem) {
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// Scroll to the last item (i.e., the loading spinner)
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val lastItemIndex = state.onlineLibraryList?.size ?: 0
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lazyListState.animateScrollToItem(lastItemIndex)
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}
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}
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LaunchedEffect(lazyListState) {
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snapshotFlow {
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derivedStateOf {
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val layoutInfo = lazyListState.layoutInfo
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val totalItems = layoutInfo.totalItemsCount
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val lastVisibleItemIndex = layoutInfo.visibleItemsInfo.lastOrNull()?.index ?: ZERO
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(totalItems > ZERO && lastVisibleItemIndex >= (totalItems - FIVE)) to totalItems
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}.value
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}
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.distinctUntilChanged()
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.filter { it.first }
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.collect { (_, totalItems) ->
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state.onLoadMore(totalItems)
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}
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}
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}
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private fun LazyListScope.showLoadMoreProgressBar(isLoadingMoreItem: Boolean) {
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if (isLoadingMoreItem) {
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item {
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Box(
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modifier = Modifier
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.fillMaxWidth()
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.padding(SIXTEEN_DP),
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contentAlignment = Alignment.Center
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) {
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ContentLoadingProgressBar()
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}
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}
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}
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}
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@ -99,5 +99,13 @@ data class OnlineLibraryScreenState(
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/**
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* Triggers when clear button clicked.
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*/
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val clearSearchButtonClickListener: () -> Unit
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val clearSearchButtonClickListener: () -> Unit,
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/**
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* Triggers when user at the end of the online content.
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*/
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val onLoadMore: (Int) -> Unit,
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/**
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* Manages the showing of progressBar at the end of book list when more items is loading.
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*/
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val isLoadingMoreItem: Boolean
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)
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@ -20,6 +20,7 @@ package org.kiwix.kiwixmobile.zimManager
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.withContext
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import org.kiwix.kiwixmobile.core.data.remote.KiwixService.Companion.ITEMS_PER_PAGE
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import org.kiwix.kiwixmobile.core.data.remote.KiwixService.Companion.OPDS_LIBRARY_ENDPOINT
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import org.kiwix.kiwixmobile.core.downloader.downloadManager.ZERO
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import org.kiwix.kiwixmobile.core.entity.LibkiwixBook
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@ -44,7 +45,8 @@ class OnlineLibraryManager @Inject constructor(
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urlHost: String
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): ArrayList<LibkiwixBook>? =
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runCatching {
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content?.let { totalResult = extractTotalResults(it) }
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if (content == null) return null
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totalResult = extractTotalResults(content)
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val onlineBooksList = arrayListOf<LibkiwixBook>()
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val tempLibrary = Library()
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val tempManager = Manager(tempLibrary)
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@ -83,8 +85,8 @@ class OnlineLibraryManager @Inject constructor(
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*/
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fun buildLibraryUrl(
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baseUrl: String,
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start: Int = 0,
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count: Int = 50,
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start: Int,
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count: Int,
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query: String? = null,
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lang: String? = null,
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category: String? = null
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@ -39,6 +39,7 @@ import kotlinx.coroutines.flow.catch
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import kotlinx.coroutines.flow.combine
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import kotlinx.coroutines.flow.debounce
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import kotlinx.coroutines.flow.distinctUntilChanged
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import kotlinx.coroutines.flow.drop
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import kotlinx.coroutines.flow.filter
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import kotlinx.coroutines.flow.filterNotNull
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import kotlinx.coroutines.flow.first
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@ -53,6 +54,7 @@ import kotlinx.coroutines.flow.merge
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import kotlinx.coroutines.flow.onEach
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import kotlinx.coroutines.flow.retry
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import kotlinx.coroutines.flow.take
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import kotlinx.coroutines.flow.update
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import kotlinx.coroutines.launch
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import okhttp3.OkHttpClient
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import okhttp3.Request
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@ -71,7 +73,6 @@ import org.kiwix.kiwixmobile.core.dao.LibkiwixBookOnDisk
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import org.kiwix.kiwixmobile.core.data.DataSource
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import org.kiwix.kiwixmobile.core.data.remote.KiwixService
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import org.kiwix.kiwixmobile.core.data.remote.KiwixService.Companion.ITEMS_PER_PAGE
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import org.kiwix.kiwixmobile.core.data.remote.KiwixService.Companion.OPDS_LIBRARY_ENDPOINT
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import org.kiwix.kiwixmobile.core.data.remote.ProgressResponseBody
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import org.kiwix.kiwixmobile.core.data.remote.UserAgentInterceptor
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import org.kiwix.kiwixmobile.core.di.modules.CALL_TIMEOUT
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@ -123,6 +124,7 @@ import org.kiwix.kiwixmobile.zimManager.libraryView.adapter.LibraryListItem.Book
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import org.kiwix.kiwixmobile.zimManager.libraryView.adapter.LibraryListItem.DividerItem
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import org.kiwix.kiwixmobile.zimManager.libraryView.adapter.LibraryListItem.LibraryDownloadItem
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import org.kiwix.libkiwix.Book
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import retrofit2.Response
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import java.util.Locale
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import java.util.concurrent.TimeUnit.SECONDS
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import javax.inject.Inject
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@ -148,7 +150,7 @@ class ZimManageViewModel @Inject constructor(
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private val dataSource: DataSource,
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private val connectivityManager: ConnectivityManager,
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private val sharedPreferenceUtil: SharedPreferenceUtil,
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private val onlineLibraryManager: OnlineLibraryManager
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val onlineLibraryManager: OnlineLibraryManager
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) : ViewModel() {
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sealed class FileSelectActions {
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data class RequestNavigateTo(val bookOnDisk: BookOnDisk) : FileSelectActions()
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@ -161,6 +163,19 @@ class ZimManageViewModel @Inject constructor(
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object UserClickedDownloadBooksButton : FileSelectActions()
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}
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data class OnlineLibraryRequest(
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val query: String?,
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val category: String?,
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val lang: String?,
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val isLoadMoreItem: Boolean,
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val page: Int
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)
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data class OnlineLibraryResult(
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val onlineLibraryRequest: OnlineLibraryRequest,
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val books: List<LibkiwixBook>
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)
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private var isUnitTestCase: Boolean = false
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val sideEffects: MutableSharedFlow<SideEffect<*>> = MutableSharedFlow()
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private val _libraryItems = MutableStateFlow<List<LibraryListItem>>(emptyList())
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@ -168,20 +183,36 @@ class ZimManageViewModel @Inject constructor(
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val fileSelectListStates: MutableLiveData<FileSelectListState> = MutableLiveData()
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val deviceListScanningProgress = MutableLiveData<Int>()
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val libraryListIsRefreshing = MutableLiveData<Boolean>()
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val onlineLibraryDownloading = MutableStateFlow(false)
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/**
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* Manages the showing of downloading online library progress,
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* and showing the progressBar at the end of content when loading more items.
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*
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* A [Pair] containing:
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* - [Boolean]: When initial content is downloading.
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* - [Boolean]: When loading more item.
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*/
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val onlineLibraryDownloading = MutableStateFlow(false to false)
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val shouldShowWifiOnlyDialog = MutableLiveData<Boolean>()
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val networkStates = MutableLiveData<NetworkState>()
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val networkLibrary = MutableSharedFlow<List<LibkiwixBook>>(replay = 0)
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val networkLibrary = MutableStateFlow<List<LibkiwixBook>>(emptyList())
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val requestFileSystemCheck = MutableSharedFlow<Unit>(replay = 0)
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val fileSelectActions = MutableSharedFlow<FileSelectActions>()
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private val requestDownloadLibrary = MutableSharedFlow<Unit>(
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private val requestDownloadLibrary = MutableSharedFlow<OnlineLibraryRequest>(
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replay = 0,
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extraBufferCapacity = 1,
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onBufferOverflow = BufferOverflow.DROP_OLDEST
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)
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@Volatile
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var isOnlineLibraryDownloading = false
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val onlineLibraryRequest: MutableStateFlow<OnlineLibraryRequest> =
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MutableStateFlow<OnlineLibraryRequest>(
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OnlineLibraryRequest(
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query = null,
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category = null,
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lang = null,
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isLoadMoreItem = false,
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page = 0
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)
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)
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val requestFiltering = MutableStateFlow("")
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val onlineBooksSearchedQuery = MutableLiveData<String>()
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private val coroutineJobs: MutableList<Job> = mutableListOf()
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@ -194,14 +225,6 @@ class ZimManageViewModel @Inject constructor(
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context.registerReceiver(connectivityBroadcastReceiver)
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}
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fun requestOnlineLibraryIfNeeded(isExplicitRefresh: Boolean) {
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if (isOnlineLibraryDownloading && !isExplicitRefresh) return
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isOnlineLibraryDownloading = true
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viewModelScope.launch {
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requestDownloadLibrary.tryEmit(Unit)
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}
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}
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fun setIsUnitTestCase() {
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isUnitTestCase = true
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}
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@ -210,9 +233,18 @@ class ZimManageViewModel @Inject constructor(
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this.alertDialogShower = alertDialogShower
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}
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private fun createKiwixServiceWithProgressListener(): KiwixService {
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private fun createKiwixServiceWithProgressListener(
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baseUrl: String,
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start: Int = ZERO,
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count: Int = ITEMS_PER_PAGE,
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query: String? = null,
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lang: String? = null,
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category: String? = null,
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shouldTrackProgress: Boolean
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): KiwixService {
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if (isUnitTestCase) return kiwixService
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val contentLength = getContentLengthOfLibraryXmlFile()
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val contentLength =
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getContentLengthOfLibraryXmlFile(baseUrl, start, count, query, lang, category)
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val customOkHttpClient =
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OkHttpClient().newBuilder()
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.followRedirects(true)
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@ -228,22 +260,19 @@ class ZimManageViewModel @Inject constructor(
|
||||
.addNetworkInterceptor(UserAgentInterceptor(USER_AGENT))
|
||||
.addNetworkInterceptor { chain ->
|
||||
val originalResponse = chain.proceed(chain.request())
|
||||
originalResponse.body?.let { responseBody ->
|
||||
val body = originalResponse.body
|
||||
if (shouldTrackProgress && body != null) {
|
||||
originalResponse.newBuilder()
|
||||
.body(
|
||||
ProgressResponseBody(
|
||||
responseBody,
|
||||
appProgressListener,
|
||||
contentLength
|
||||
)
|
||||
)
|
||||
.body(ProgressResponseBody(body, appProgressListener, contentLength))
|
||||
.build()
|
||||
} ?: originalResponse
|
||||
} else {
|
||||
originalResponse
|
||||
}
|
||||
}
|
||||
.build()
|
||||
return KiwixService.ServiceCreator.newHackListService(
|
||||
customOkHttpClient,
|
||||
KIWIX_OPDS_LIBRARY_URL
|
||||
baseUrl
|
||||
)
|
||||
.also {
|
||||
kiwixService = it
|
||||
@ -252,10 +281,19 @@ class ZimManageViewModel @Inject constructor(
|
||||
|
||||
private var appProgressListener: AppProgressListenerProvider? = AppProgressListenerProvider(this)
|
||||
|
||||
private fun getContentLengthOfLibraryXmlFile(): Long {
|
||||
private fun getContentLengthOfLibraryXmlFile(
|
||||
baseUrl: String,
|
||||
start: Int = ZERO,
|
||||
count: Int = ITEMS_PER_PAGE,
|
||||
query: String? = null,
|
||||
lang: String? = null,
|
||||
category: String? = null
|
||||
): Long {
|
||||
val requestUrl =
|
||||
onlineLibraryManager.buildLibraryUrl(baseUrl, start, count, query, lang, category)
|
||||
val headRequest =
|
||||
Request.Builder()
|
||||
.url("$KIWIX_OPDS_LIBRARY_URL$OPDS_LIBRARY_ENDPOINT?count=$ITEMS_PER_PAGE")
|
||||
.url(requestUrl)
|
||||
.head()
|
||||
.header("Accept-Encoding", "identity")
|
||||
.build()
|
||||
@ -298,6 +336,7 @@ class ZimManageViewModel @Inject constructor(
|
||||
add(updateLanguagesInDao(networkLibrary, languages))
|
||||
add(updateNetworkStates())
|
||||
add(requestsAndConnectivityChangesToLibraryRequests(networkLibrary))
|
||||
add(onlineLibraryRequest())
|
||||
}
|
||||
}
|
||||
|
||||
@ -311,6 +350,25 @@ class ZimManageViewModel @Inject constructor(
|
||||
super.onCleared()
|
||||
}
|
||||
|
||||
fun updateOnlineLibraryFilters(newRequest: OnlineLibraryRequest) {
|
||||
onlineLibraryRequest.update { current ->
|
||||
current.copy(
|
||||
query = newRequest.query.takeUnless { it.isNullOrEmpty() } ?: current.query,
|
||||
category = newRequest.category.takeUnless { it.isNullOrEmpty() } ?: current.category,
|
||||
lang = newRequest.lang.takeUnless { it.isNullOrEmpty() } ?: current.lang,
|
||||
page = newRequest.page,
|
||||
isLoadMoreItem = newRequest.isLoadMoreItem
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
private fun onlineLibraryRequest() = onlineLibraryRequest
|
||||
.drop(1)
|
||||
.onEach { request ->
|
||||
requestDownloadLibrary.tryEmit(request)
|
||||
}
|
||||
.launchIn(viewModelScope)
|
||||
|
||||
private fun scanBooksFromStorage(dispatcher: CoroutineDispatcher = Dispatchers.IO) =
|
||||
checkFileSystemForBooksOnRequest(books())
|
||||
.catch { it.printStackTrace() }
|
||||
@ -392,85 +450,133 @@ class ZimManageViewModel @Inject constructor(
|
||||
return None
|
||||
}
|
||||
|
||||
private fun updateDownloadState(isInitial: Boolean) {
|
||||
onlineLibraryDownloading.tryEmit(isInitial to !isInitial)
|
||||
}
|
||||
|
||||
private fun resetDownloadState() {
|
||||
onlineLibraryDownloading.tryEmit(false to false)
|
||||
}
|
||||
|
||||
@OptIn(ExperimentalCoroutinesApi::class)
|
||||
private fun requestsAndConnectivityChangesToLibraryRequests(
|
||||
library: MutableSharedFlow<List<LibkiwixBook>>,
|
||||
library: MutableStateFlow<List<LibkiwixBook>>,
|
||||
dispatcher: CoroutineDispatcher = Dispatchers.IO
|
||||
) = requestDownloadLibrary.flatMapConcat {
|
||||
) = requestDownloadLibrary.flatMapConcat { onlineLibraryRequest ->
|
||||
connectivityBroadcastReceiver.networkStates
|
||||
.filter { networkState -> networkState == CONNECTED }
|
||||
.take(1)
|
||||
.flatMapConcat {
|
||||
shouldProceedWithDownload()
|
||||
updateDownloadState(onlineLibraryRequest.isLoadMoreItem.not())
|
||||
shouldProceedWithDownload(onlineLibraryRequest)
|
||||
.flatMapConcat { kiwixService ->
|
||||
downloadLibraryFlow(kiwixService).also {
|
||||
onlineLibraryDownloading.tryEmit(true)
|
||||
}
|
||||
downloadLibraryFlow(kiwixService, onlineLibraryRequest)
|
||||
}
|
||||
}
|
||||
}
|
||||
.filterNotNull()
|
||||
.catch {
|
||||
it.printStackTrace().also {
|
||||
isOnlineLibraryDownloading = false
|
||||
onlineLibraryDownloading.tryEmit(false)
|
||||
resetDownloadState()
|
||||
library.emit(emptyList())
|
||||
}
|
||||
}
|
||||
.onEach {
|
||||
library.emit(it).also {
|
||||
// Setting this to true because once library downloaded we don't need to download again
|
||||
// until user wants to refresh the online library.
|
||||
isOnlineLibraryDownloading = true
|
||||
onlineLibraryDownloading.tryEmit(false)
|
||||
.onEach { result ->
|
||||
networkLibrary.value = if (result.onlineLibraryRequest.isLoadMoreItem) {
|
||||
networkLibrary.value + result.books
|
||||
} else {
|
||||
result.books
|
||||
}
|
||||
resetDownloadState()
|
||||
}
|
||||
.flowOn(dispatcher)
|
||||
.launchIn(viewModelScope)
|
||||
|
||||
private fun shouldProceedWithDownload(): Flow<KiwixService> {
|
||||
private fun shouldProceedWithDownload(onlineLibraryRequest: OnlineLibraryRequest): Flow<KiwixService> {
|
||||
val baseUrl = KIWIX_OPDS_LIBRARY_URL
|
||||
val start =
|
||||
onlineLibraryManager.getStartOffset(onlineLibraryRequest.page.minus(ONE), ITEMS_PER_PAGE)
|
||||
val shouldTrackProgress = !onlineLibraryRequest.isLoadMoreItem
|
||||
return if (connectivityManager.isWifi()) {
|
||||
flowOf(createKiwixServiceWithProgressListener())
|
||||
flowOf(
|
||||
createKiwixServiceWithProgressListener(
|
||||
baseUrl,
|
||||
start,
|
||||
ITEMS_PER_PAGE,
|
||||
onlineLibraryRequest.query,
|
||||
onlineLibraryRequest.lang,
|
||||
onlineLibraryRequest.category,
|
||||
shouldTrackProgress
|
||||
)
|
||||
)
|
||||
} else {
|
||||
flow {
|
||||
val wifiOnly = sharedPreferenceUtil.prefWifiOnlys.first()
|
||||
if (wifiOnly) {
|
||||
onlineLibraryDownloading.emit(false to false)
|
||||
shouldShowWifiOnlyDialog.postValue(true)
|
||||
// Don't emit anything — just return
|
||||
return@flow
|
||||
}
|
||||
emit(createKiwixServiceWithProgressListener())
|
||||
emit(
|
||||
createKiwixServiceWithProgressListener(
|
||||
baseUrl,
|
||||
start,
|
||||
ITEMS_PER_PAGE,
|
||||
onlineLibraryRequest.query,
|
||||
onlineLibraryRequest.lang,
|
||||
onlineLibraryRequest.category,
|
||||
shouldTrackProgress
|
||||
)
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private fun downloadLibraryFlow(
|
||||
kiwixService: KiwixService
|
||||
): Flow<List<LibkiwixBook>> = flow {
|
||||
downloadProgress.postValue(context.getString(R.string.starting_downloading_remote_library))
|
||||
// TODO get the filter from online library and pass it here to get the online content based on filters.
|
||||
kiwixService: KiwixService,
|
||||
request: OnlineLibraryRequest
|
||||
): Flow<OnlineLibraryResult> = flow {
|
||||
updateDownloadProgressIfNeeded(
|
||||
request,
|
||||
R.string.starting_downloading_remote_library
|
||||
)
|
||||
val start =
|
||||
onlineLibraryManager.getStartOffset(request.page.minus(ONE), ITEMS_PER_PAGE)
|
||||
val buildUrl = onlineLibraryManager.buildLibraryUrl(
|
||||
KIWIX_OPDS_LIBRARY_URL,
|
||||
start,
|
||||
ITEMS_PER_PAGE,
|
||||
request.query,
|
||||
request.lang,
|
||||
request.category,
|
||||
)
|
||||
val response = kiwixService.getLibraryPage(buildUrl)
|
||||
val resolvedUrl = response.raw().networkResponse?.request?.url
|
||||
?: response.raw().request.url
|
||||
val baseHostUrl = "${resolvedUrl.scheme}://${resolvedUrl.host}"
|
||||
downloadProgress.postValue(context.getString(R.string.parsing_remote_library))
|
||||
val libraryXml = response.body()
|
||||
val onlineBooks = onlineLibraryManager.parseOPDSStreamAndGetBooks(libraryXml, baseHostUrl)
|
||||
emit(
|
||||
if (onlineBooks.isNullOrEmpty()) {
|
||||
emptyList()
|
||||
} else {
|
||||
onlineBooks
|
||||
}
|
||||
val urlHost = response.getResolvedBaseUrl()
|
||||
updateDownloadProgressIfNeeded(
|
||||
request,
|
||||
R.string.parsing_remote_library
|
||||
)
|
||||
val libraryXml = response.body()
|
||||
val onlineBooks =
|
||||
onlineLibraryManager.parseOPDSStreamAndGetBooks(libraryXml, urlHost).orEmpty()
|
||||
emit(OnlineLibraryResult(request, onlineBooks))
|
||||
}
|
||||
.retry(5)
|
||||
.catch { e ->
|
||||
e.printStackTrace()
|
||||
emit(emptyList())
|
||||
emit(OnlineLibraryResult(request, emptyList()))
|
||||
}
|
||||
|
||||
private fun updateDownloadProgressIfNeeded(request: OnlineLibraryRequest, messageResId: Int) {
|
||||
if (!request.isLoadMoreItem) {
|
||||
downloadProgress.postValue(context.getString(messageResId))
|
||||
}
|
||||
}
|
||||
|
||||
private fun Response<String>.getResolvedBaseUrl(): String {
|
||||
val url = raw().networkResponse?.request?.url ?: raw().request.url
|
||||
return "${url.scheme}://${url.host}"
|
||||
}
|
||||
|
||||
private fun updateNetworkStates() = connectivityBroadcastReceiver.networkStates
|
||||
@ -482,7 +588,7 @@ class ZimManageViewModel @Inject constructor(
|
||||
private fun updateLibraryItems(
|
||||
localBooksFromLibkiwix: Flow<List<Book>>,
|
||||
downloads: Flow<List<DownloadModel>>,
|
||||
library: MutableSharedFlow<List<LibkiwixBook>>,
|
||||
library: MutableStateFlow<List<LibkiwixBook>>,
|
||||
languages: Flow<List<Language>>,
|
||||
dispatcher: CoroutineDispatcher = Dispatchers.IO
|
||||
) = viewModelScope.launch(dispatcher) {
|
||||
@ -527,7 +633,7 @@ class ZimManageViewModel @Inject constructor(
|
||||
}
|
||||
|
||||
private fun updateLanguagesInDao(
|
||||
library: MutableSharedFlow<List<LibkiwixBook>>,
|
||||
library: MutableStateFlow<List<LibkiwixBook>>,
|
||||
languages: Flow<List<Language>>,
|
||||
dispatcher: CoroutineDispatcher = Dispatchers.IO
|
||||
) =
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user