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download pdf file and store it locally

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This commit is contained in:
Satindar Dhillon 2022-09-30 13:54:26 -07:00
parent 9fc81ed50d
commit a466887dc7
2 changed files with 41 additions and 16 deletions
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10
android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/PDFReader.kt
View file

@ -37,14 +37,15 @@ class PDFReaderActivity: AppCompatActivity() {
@Composable
fun PDFReaderLoadingContainer(slug: String, pdfReaderViewModel: PDFReaderViewModel) {
val context = LocalContext.current
val pdfReaderParams: PDFReaderParams? by pdfReaderViewModel.pdfReaderParamsLiveData.observeAsState(null)
if (pdfReaderParams == null) {
pdfReaderViewModel.loadItem(slug = slug)
pdfReaderViewModel.loadItem(slug = slug, context)
}
if (pdfReaderParams != null) {
PDFDocumentView(urlString = pdfReaderParams!!.item.pageURLString)
PDFDocumentView(documentUri = pdfReaderParams!!.localFileUri)
} else {
// TODO: add a proper loading view
Text("Loading...")
@ -53,7 +54,7 @@ fun PDFReaderLoadingContainer(slug: String, pdfReaderViewModel: PDFReaderViewMod
@OptIn(ExperimentalPSPDFKitApi::class)
@Composable
fun PDFDocumentView(urlString: String) {
fun PDFDocumentView(documentUri: Uri) {
val context = LocalContext.current
val pdfActivityConfiguration = remember {
@ -64,8 +65,7 @@ fun PDFDocumentView(urlString: String) {
}
val pdfDocumentState = rememberDocumentState(
documentUri = Uri.parse("file:///android_asset/test.pdf"),
// documentUri = Uri.parse(urlString),
documentUri = documentUri,
configuration = pdfActivityConfiguration
)

47
android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/PDFReaderViewModel.kt
View file

@ -1,5 +1,7 @@
package app.omnivore.omnivore.ui.reader
import android.content.Context
import android.net.Uri
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
@ -8,13 +10,18 @@ import app.omnivore.omnivore.models.LinkedItem
import app.omnivore.omnivore.networking.Networker
import app.omnivore.omnivore.networking.linkedItem
import com.google.gson.Gson
import com.pspdfkit.document.download.DownloadJob
import com.pspdfkit.document.download.DownloadRequest
import com.pspdfkit.document.download.Progress
import dagger.hilt.android.lifecycle.HiltViewModel
import kotlinx.coroutines.launch
import java.io.File
import javax.inject.Inject
data class PDFReaderParams(
val item: LinkedItem,
val articleContent: ArticleContent
val articleContent: ArticleContent,
val localFileUri: Uri
)
@HiltViewModel
@ -24,22 +31,40 @@ class PDFReaderViewModel @Inject constructor(
): ViewModel() {
val pdfReaderParamsLiveData = MutableLiveData<PDFReaderParams?>(null)
fun loadItem(slug: String) {
fun loadItem(slug: String, context: Context) {
viewModelScope.launch {
val articleQueryResult = networker.linkedItem(slug)
val article = articleQueryResult.item ?: return@launch
val articleContent = ArticleContent(
title = article.title,
htmlContent = article.content ?: "",
highlightsJSONString = Gson().toJson(articleQueryResult.highlights),
contentStatus = "SUCCEEDED",
objectID = "",
labelsJSONString = Gson().toJson(articleQueryResult.labels)
)
val request = DownloadRequest.Builder(context)
.uri(article.pageURLString)
.build()
pdfReaderParamsLiveData.value = PDFReaderParams(article, articleContent)
val job = DownloadJob.startDownload(request)
job.setProgressListener(object : DownloadJob.ProgressListenerAdapter() {
override fun onProgress(progress: Progress) {
// progressBar.setProgress((100f * progress.bytesReceived / progress.totalBytes).toInt())
}
override fun onComplete(output: File) {
val articleContent = ArticleContent(
title = article.title,
htmlContent = article.content ?: "",
highlightsJSONString = Gson().toJson(articleQueryResult.highlights),
contentStatus = "SUCCEEDED",
objectID = "",
labelsJSONString = Gson().toJson(articleQueryResult.labels)
)
pdfReaderParamsLiveData.value = PDFReaderParams(article, articleContent, Uri.fromFile(output))
}
override fun onError(exception: Throwable) {
// handleDownloadError(exception)
}
})
}
}