Перенес бизнес логику, хы
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@ -1,5 +1,15 @@
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package com.example.myapplication.api.item
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import android.content.ContentResolver
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import android.content.ContentValues
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import android.content.Context
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import android.content.Intent
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import android.graphics.Canvas
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import android.graphics.Paint
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import android.graphics.pdf.PdfDocument
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import android.net.Uri
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import android.os.Environment
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import android.provider.MediaStore
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import com.example.myapplication.api.MyServerService
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import com.example.myapplication.api.report.ReportRemote
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import com.example.myapplication.database.entities.model.Item
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@ -7,6 +17,10 @@ import com.example.myapplication.database.entities.repository.OfflineRentItemRep
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import com.example.myapplication.database.entities.repository.OfflineItemRepository
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import com.example.myapplication.database.entities.repository.OfflineUserItemRepository
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import com.example.myapplication.database.entities.repository.ItemRepository
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.withContext
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import java.io.IOException
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import java.io.OutputStream
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class RestItemRepository(
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private val service: MyServerService,
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@ -53,4 +67,87 @@ class RestItemRepository(
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{
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return service.getReportInfo(fromDate,toDate)
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}
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suspend fun createPdfFile(context: Context, fileName: String, reportData: List<ReportRemote>) {
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withContext(Dispatchers.IO) {
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val contentValues = ContentValues().apply {
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put(MediaStore.MediaColumns.DISPLAY_NAME, fileName)
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put(MediaStore.MediaColumns.MIME_TYPE, "application/pdf")
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put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_DOCUMENTS)
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}
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val contentResolver: ContentResolver = context.contentResolver
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val uri: Uri? = contentResolver.insert(MediaStore.Files.getContentUri("external"), contentValues)
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uri?.let {
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try {
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contentResolver.openOutputStream(uri)?.use { outputStream ->
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createPdfContent(outputStream, reportData)
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}
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// Optional: Notify MediaStore about the new file
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context.sendBroadcast(Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri))
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} catch (e: IOException) {
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e.printStackTrace()
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}
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}
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}
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}
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private fun createPdfContent(outputStream: OutputStream, reportData: List<ReportRemote>) {
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val pdfDocument = PdfDocument()
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val pageInfo = PdfDocument.PageInfo.Builder(595, 842, 1).create()
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val page = pdfDocument.startPage(pageInfo)
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val canvas = page.canvas
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val paint = Paint()
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paint.textSize = 16f // Уменьшаем размер шрифта для лучшей видимости
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paint.isAntiAlias = true
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// Отображаем заголовок
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val title = "Отчет"
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val xTitle = (pageInfo.pageWidth - paint.measureText(title)) / 2
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val yTitle = 40f
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canvas.drawText(title, xTitle, yTitle, paint)
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// Отображаем данные в виде таблицы
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val tableStartY = yTitle + 80f
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val columnWidths = floatArrayOf(0.5f, 1.5f, 1f, 1.5f, 1f) // Увеличиваем ширину столбцов
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val rowHeight = 30f // Увеличиваем высоту строки
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drawTableRow(canvas, arrayOf("ID", "Дата проверки", "Вес", "Количество", "ID велосипеда"), columnWidths, tableStartY, paint)
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for ((index, report) in reportData.withIndex()) {
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val row = arrayOf(
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report.id.toString(),
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report.dateTime.toString(),
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report.weight.toString(),
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report.maxCount.toString(),
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report.bikeId.toString()
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)
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drawTableRow(canvas, row, columnWidths, tableStartY + (index + 1) * rowHeight, paint)
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}
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pdfDocument.finishPage(page)
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pdfDocument.writeTo(outputStream)
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pdfDocument.close()
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}
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private fun drawTableRow(
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canvas: Canvas,
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row: Array<String>,
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columnWidths: FloatArray,
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y: Float,
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paint: Paint
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) {
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var x = 40f
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for (i in row.indices) {
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val text = row[i]
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canvas.drawText(text, x, y, paint)
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x += columnWidths[i] * 80 // Увеличиваем ширину столбцов
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}
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}
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}
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@ -131,7 +131,7 @@ fun ReportPage (navController: NavController?, viewModel: ReportViewModel = view
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Button(
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onClick = {coroutineScope.launch {
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//viewModel.getReport()
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createPdfFile(context = context, fileName = "отчет.pdf",reportData = reportResultPageState.resReport)
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viewModel.generatePdfFile(context = context, fileName = "отчет.pdf",reportData = reportResultPageState.resReport)
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} },
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enabled = viewModel.reportPageUiState.isEntryValid,
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modifier = Modifier
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@ -194,85 +194,4 @@ fun TableScreen(reportData: List<ReportRemote>) {
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}
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}
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suspend fun createPdfFile(context: Context, fileName: String, reportData: List<ReportRemote>) {
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withContext(Dispatchers.IO) {
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val contentValues = ContentValues().apply {
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put(MediaStore.MediaColumns.DISPLAY_NAME, fileName)
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put(MediaStore.MediaColumns.MIME_TYPE, "application/pdf")
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put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_DOCUMENTS)
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}
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val contentResolver: ContentResolver = context.contentResolver
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val uri: Uri? = contentResolver.insert(MediaStore.Files.getContentUri("external"), contentValues)
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uri?.let {
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try {
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contentResolver.openOutputStream(uri)?.use { outputStream ->
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createPdfContent(outputStream, reportData)
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}
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// Optional: Notify MediaStore about the new file
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context.sendBroadcast(Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri))
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} catch (e: IOException) {
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e.printStackTrace()
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}
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}
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}
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}
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private fun createPdfContent(outputStream: OutputStream, reportData: List<ReportRemote>) {
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val pdfDocument = PdfDocument()
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val pageInfo = PdfDocument.PageInfo.Builder(595, 842, 1).create()
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val page = pdfDocument.startPage(pageInfo)
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val canvas = page.canvas
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val paint = Paint()
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paint.textSize = 16f // Уменьшаем размер шрифта для лучшей видимости
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paint.isAntiAlias = true
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// Отображаем заголовок
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val title = "Отчет"
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val xTitle = (pageInfo.pageWidth - paint.measureText(title)) / 2
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val yTitle = 40f
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canvas.drawText(title, xTitle, yTitle, paint)
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// Отображаем данные в виде таблицы
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val tableStartY = yTitle + 80f
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val columnWidths = floatArrayOf(0.5f, 1.5f, 1f, 1.5f, 1f) // Увеличиваем ширину столбцов
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val rowHeight = 30f // Увеличиваем высоту строки
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drawTableRow(canvas, arrayOf("ID", "Дата проверки", "Вес", "Количество", "ID велосипеда"), columnWidths, tableStartY, paint)
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for ((index, report) in reportData.withIndex()) {
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val row = arrayOf(
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report.id.toString(),
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report.dateTime.toString(),
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report.weight.toString(),
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report.maxCount.toString(),
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report.bikeId.toString()
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)
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drawTableRow(canvas, row, columnWidths, tableStartY + (index + 1) * rowHeight, paint)
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}
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pdfDocument.finishPage(page)
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pdfDocument.writeTo(outputStream)
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pdfDocument.close()
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}
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private fun drawTableRow(
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canvas: Canvas,
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row: Array<String>,
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columnWidths: FloatArray,
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y: Float,
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paint: Paint
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) {
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var x = 40f
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for (i in row.indices) {
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val text = row[i]
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canvas.drawText(text, x, y, paint)
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x += columnWidths[i] * 80 // Увеличиваем ширину столбцов
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}
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}
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@ -1,5 +1,6 @@
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package com.example.myapplication.database.entities.composeui
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import android.content.Context
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import android.util.Log
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.mutableStateOf
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@ -40,6 +41,10 @@ class ReportViewModel(private val itemRespository: RestItemRepository): ViewMode
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val res = itemRespository.getReport(startDateQueryParam, endDateQueryParam)
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reportResultPageUiState = ReportResultPageUiState(res)
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}
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suspend fun generatePdfFile(context: Context, fileName: String, reportData: List<ReportRemote>) {
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itemRespository.createPdfFile(context, fileName, reportData)
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}
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}
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data class ReportDetails(
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