449 lines
18 KiB
Kotlin
449 lines
18 KiB
Kotlin
package org.pixeldroid.app.postCreation
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import android.app.Activity
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import android.app.AlertDialog
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import android.content.*
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import android.media.MediaScannerConnection
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import android.net.Uri
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import android.os.Build
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import android.os.Bundle
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import android.os.Environment
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import android.provider.MediaStore
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import android.provider.OpenableColumns
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import android.util.Log
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import android.view.View
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import android.view.View.INVISIBLE
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import android.view.View.VISIBLE
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import android.widget.Toast
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import androidx.activity.result.ActivityResult
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import androidx.activity.result.ActivityResultLauncher
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import androidx.activity.result.contract.ActivityResultContracts
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import androidx.core.net.toFile
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import androidx.core.net.toUri
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import androidx.lifecycle.lifecycleScope
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import com.google.android.material.snackbar.Snackbar
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import org.pixeldroid.app.MainActivity
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import org.pixeldroid.app.R
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import org.pixeldroid.app.databinding.ActivityPostCreationBinding
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import org.pixeldroid.app.postCreation.camera.CameraActivity
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import org.pixeldroid.app.postCreation.carousel.CarouselItem
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import org.pixeldroid.app.postCreation.carousel.ImageCarousel
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import org.pixeldroid.app.postCreation.photoEdit.PhotoEditActivity
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import org.pixeldroid.app.utils.BaseActivity
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import org.pixeldroid.app.utils.api.objects.Attachment
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import org.pixeldroid.app.utils.db.entities.InstanceDatabaseEntity
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import org.pixeldroid.app.utils.db.entities.UserDatabaseEntity
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import io.reactivex.android.schedulers.AndroidSchedulers
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import io.reactivex.disposables.Disposable
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import io.reactivex.schedulers.Schedulers
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import okhttp3.MultipartBody
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import retrofit2.HttpException
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import java.io.File
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import java.io.FileNotFoundException
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import java.io.IOException
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import java.io.OutputStream
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import java.text.SimpleDateFormat
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import java.util.*
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import kotlin.collections.ArrayList
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import kotlin.math.ceil
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private const val TAG = "Post Creation Activity"
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data class PhotoData(
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var imageUri: Uri,
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var size: Long,
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var uploadId: String? = null,
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var progress: Int? = null,
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var imageDescription: String? = null,
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)
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class PostCreationActivity : BaseActivity() {
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private var user: UserDatabaseEntity? = null
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private lateinit var instance: InstanceDatabaseEntity
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private val photoData: ArrayList<PhotoData> = ArrayList()
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private lateinit var binding: ActivityPostCreationBinding
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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binding = ActivityPostCreationBinding.inflate(layoutInflater)
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setContentView(binding.root)
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user = db.userDao().getActiveUser()
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instance = user?.run {
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db.instanceDao().getAll().first { instanceDatabaseEntity ->
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instanceDatabaseEntity.uri.contains(instance_uri)
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}
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} ?: InstanceDatabaseEntity("", "")
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binding.postTextInputLayout.counterMaxLength = instance.maxStatusChars
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// get image URIs
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intent.clipData?.let { addPossibleImages(it) }
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val carousel: ImageCarousel = binding.carousel
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carousel.addData(photoData.map { CarouselItem(it.imageUri) })
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carousel.layoutCarouselCallback = {
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if(it){
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// Became a carousel
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binding.toolbarPostCreation.visibility = VISIBLE
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} else {
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// Became a grid
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binding.toolbarPostCreation.visibility = INVISIBLE
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}
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}
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carousel.maxEntries = instance.albumLimit
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carousel.addPhotoButtonCallback = {
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addPhoto()
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}
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carousel.updateDescriptionCallback = { position: Int, description: String ->
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photoData.getOrNull(position)?.imageDescription = description
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}
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// get the description and send the post
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binding.postCreationSendButton.setOnClickListener {
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if (validateDescription() && photoData.isNotEmpty()) upload()
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}
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// Button to retry image upload when it fails
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binding.retryUploadButton.setOnClickListener {
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binding.uploadError.visibility = View.GONE
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photoData.forEach {
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it.uploadId = null
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it.progress = null
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}
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upload()
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}
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binding.editPhotoButton.setOnClickListener {
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carousel.currentPosition.takeIf { it != -1 }?.let { currentPosition ->
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edit(currentPosition)
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}
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}
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binding.addPhotoButton.setOnClickListener {
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addPhoto()
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}
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binding.savePhotoButton.setOnClickListener {
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carousel.currentPosition.takeIf { it != -1 }?.let { currentPosition ->
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savePicture(it, currentPosition)
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}
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}
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binding.removePhotoButton.setOnClickListener {
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carousel.currentPosition.takeIf { it != -1 }?.let { currentPosition ->
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photoData.removeAt(currentPosition)
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carousel.addData(photoData.map { CarouselItem(it.imageUri, it.imageDescription) })
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binding.addPhotoButton.isEnabled = true
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}
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}
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}
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/**
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* Will add as many images as possible to [photoData], from the [clipData], and if
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* ([photoData].size + [clipData].itemCount) > [albumLimit] then it will only add as many images
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* as are legal (if any) and a dialog will be shown to the user alerting them of this fact.
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*/
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private fun addPossibleImages(clipData: ClipData){
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var count = clipData.itemCount
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if(count + photoData.size > instance.albumLimit){
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AlertDialog.Builder(this).apply {
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setMessage(getString(R.string.total_exceeds_album_limit).format(instance.albumLimit))
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setNegativeButton(android.R.string.ok) { _, _ -> }
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}.show()
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count = count.coerceAtMost(instance.albumLimit - photoData.size)
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}
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if (count + photoData.size >= instance.albumLimit) {
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// Disable buttons to add more images
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binding.addPhotoButton.isEnabled = false
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}
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for (i in 0 until count) {
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clipData.getItemAt(i).uri.let {
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val size = it.getSize()
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photoData.add(PhotoData(imageUri = it, size = size))
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}
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}
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}
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/**
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* Returns the size of the file of the Uri, and opens a dialog in case it is too big.
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*/
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private fun Uri.getSize(): Long {
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val size: Long =
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if (toString().startsWith("content")) {
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contentResolver.query(this, null, null, null, null)
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?.use { cursor ->
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/* Get the column indexes of the data in the Cursor,
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* move to the first row in the Cursor, get the data,
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* and display it.
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*/
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val sizeIndex = cursor.getColumnIndex(OpenableColumns.SIZE)
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cursor.moveToFirst()
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cursor.getLong(sizeIndex)
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} ?: 0
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} else {
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toFile().length()
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}
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val sizeInkBytes = ceil(size.toDouble() / 1000).toLong()
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if (sizeInkBytes > instance.maxPhotoSize || sizeInkBytes > instance.maxVideoSize) {
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val maxSize = when {
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instance.maxPhotoSize != instance.maxVideoSize -> {
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val type = contentResolver.getType(this)
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if (type?.startsWith("video/") == true) {
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instance.maxVideoSize
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} else instance.maxPhotoSize
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}
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else -> instance.maxPhotoSize
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}
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AlertDialog.Builder(this@PostCreationActivity).apply {
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setMessage(getString(R.string.size_exceeds_instance_limit, photoData.size + 1, sizeInkBytes, maxSize))
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setNegativeButton(android.R.string.ok) { _, _ -> }
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}.show()
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}
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return size
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}
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private val addPhotoResultContract = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
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if (result.resultCode == Activity.RESULT_OK && result.data?.clipData != null) {
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result.data?.clipData?.let {
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addPossibleImages(it)
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}
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binding.carousel.addData(photoData.map { CarouselItem(it.imageUri, it.imageDescription) })
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} else if (result.resultCode != Activity.RESULT_CANCELED) {
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Toast.makeText(applicationContext, "Error while adding images", Toast.LENGTH_SHORT).show()
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}
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}
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private fun addPhoto(){
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addPhotoResultContract.launch(
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Intent(this, CameraActivity::class.java)
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)
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}
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private fun savePicture(button: View, currentPosition: Int) {
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val name = SimpleDateFormat("yyyy-MM-dd-HH-mm-ss-SSS", Locale.US)
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.format(System.currentTimeMillis()) + ".png"
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val pair = getOutputFile(name)
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val outputStream: OutputStream = pair.first
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val path: String = pair.second
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contentResolver.openInputStream(photoData[currentPosition].imageUri)!!.use { input ->
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outputStream.use { output ->
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input.copyTo(output)
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}
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}
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if(path.startsWith("file")) {
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MediaScannerConnection.scanFile(
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this,
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arrayOf(path.toUri().toFile().absolutePath),
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null
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) { path, uri ->
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if (uri == null) {
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Log.e(
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"NEW IMAGE SCAN FAILED",
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"Tried to scan $path, but it failed"
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)
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}
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}
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}
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Snackbar.make(
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button, getString(R.string.save_image_success),
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Snackbar.LENGTH_LONG
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).show()
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}
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private fun getOutputFile(name: String): Pair<OutputStream, String> {
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val outputStream: OutputStream
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val path: String
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
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val resolver: ContentResolver = contentResolver
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val contentValues = ContentValues()
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contentValues.put(MediaStore.MediaColumns.DISPLAY_NAME, name)
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contentValues.put(MediaStore.MediaColumns.MIME_TYPE, "image/png")
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contentValues.put(
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MediaStore.MediaColumns.RELATIVE_PATH,
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Environment.DIRECTORY_PICTURES
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)
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val imageUri: Uri =
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resolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, contentValues)!!
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path = imageUri.toString()
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outputStream = resolver.openOutputStream(Objects.requireNonNull(imageUri))!!
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} else {
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@Suppress("DEPRECATION") val imagesDir =
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Environment.getExternalStoragePublicDirectory(getString(R.string.app_name))
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imagesDir.mkdir()
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val file = File(imagesDir, name)
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path = Uri.fromFile(file).toString()
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outputStream = file.outputStream()
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}
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return Pair(outputStream, path)
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}
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private fun validateDescription(): Boolean {
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binding.postTextInputLayout.run {
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val content = editText?.length() ?: 0
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if (content > counterMaxLength) {
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// error, too many characters
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error = resources.getQuantityString(R.plurals.description_max_characters, counterMaxLength, counterMaxLength)
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return false
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}
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}
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return true
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}
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/**
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* Uploads the images that are in the [photoData] array.
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* Keeps track of them in the [PhotoData.progress] (for the upload progress), and the
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* [PhotoData.uploadId] (for the list of ids of the uploads).
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*/
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private fun upload() {
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enableButton(false)
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binding.uploadProgressBar.visibility = View.VISIBLE
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binding.uploadCompletedTextview.visibility = View.INVISIBLE
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binding.removePhotoButton.isEnabled = false
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binding.editPhotoButton.isEnabled = false
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binding.addPhotoButton.isEnabled = false
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for (data: PhotoData in photoData) {
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val imageUri = data.imageUri
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val imageInputStream = try {
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contentResolver.openInputStream(imageUri)!!
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} catch (e: FileNotFoundException){
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AlertDialog.Builder(this).apply {
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setMessage(getString(R.string.file_not_found).format(imageUri))
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setNegativeButton(android.R.string.ok) { _, _ -> }
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}.show()
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return
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}
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val imagePart = ProgressRequestBody(imageInputStream, data.size)
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val requestBody = MultipartBody.Builder()
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.setType(MultipartBody.FORM)
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.addFormDataPart("file", System.currentTimeMillis().toString(), imagePart)
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.build()
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val sub = imagePart.progressSubject
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.subscribeOn(Schedulers.io())
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.subscribe { percentage ->
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data.progress = percentage.toInt()
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binding.uploadProgressBar.progress =
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photoData.sumBy { it.progress ?: 0 } / photoData.size
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}
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var postSub: Disposable? = null
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val description = data.imageDescription?.let { MultipartBody.Part.createFormData("description", it) }
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val api = apiHolder.api ?: apiHolder.setToCurrentUser()
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val inter = api.mediaUpload(description, requestBody.parts[0])
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postSub = inter
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.subscribeOn(Schedulers.io())
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(
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{ attachment: Attachment ->
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data.progress = 0
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data.uploadId = attachment.id!!
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},
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{ e: Throwable ->
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binding.uploadError.visibility = View.VISIBLE
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if(e is HttpException){
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binding.uploadErrorTextExplanation.text =
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getString(R.string.upload_error, e.code())
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binding.uploadErrorTextExplanation.visibility= VISIBLE
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} else {
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binding.uploadErrorTextExplanation.visibility= View.GONE
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}
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e.printStackTrace()
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postSub?.dispose()
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sub.dispose()
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},
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{
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data.progress = 100
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if (photoData.all { it.progress == 100 && it.uploadId != null }) {
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binding.uploadProgressBar.visibility = View.GONE
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binding.uploadCompletedTextview.visibility = View.VISIBLE
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post()
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}
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postSub?.dispose()
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sub.dispose()
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}
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)
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}
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}
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private fun post() {
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val description = binding.newPostDescriptionInputField.text.toString()
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enableButton(false)
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lifecycleScope.launchWhenCreated {
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try {
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val api = apiHolder.api ?: apiHolder.setToCurrentUser()
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api.postStatus(
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statusText = description,
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media_ids = photoData.mapNotNull { it.uploadId }.toList()
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)
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Toast.makeText(applicationContext, getString(R.string.upload_post_success),
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Toast.LENGTH_SHORT).show()
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val intent = Intent(this@PostCreationActivity, MainActivity::class.java)
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intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
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startActivity(intent)
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} catch (exception: IOException) {
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Toast.makeText(applicationContext, getString(R.string.upload_post_error),
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Toast.LENGTH_SHORT).show()
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Log.e(TAG, exception.toString())
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enableButton(true)
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} catch (exception: HttpException) {
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Toast.makeText(applicationContext, getString(R.string.upload_post_failed),
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Toast.LENGTH_SHORT).show()
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Log.e(TAG, exception.response().toString() + exception.message().toString())
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enableButton(true)
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}
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}
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}
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private fun enableButton(enable: Boolean = true){
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binding.postCreationSendButton.isEnabled = enable
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if(enable){
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binding.postingProgressBar.visibility = View.GONE
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binding.postCreationSendButton.visibility = View.VISIBLE
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} else {
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binding.postingProgressBar.visibility = View.VISIBLE
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binding.postCreationSendButton.visibility = View.GONE
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}
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}
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private val editResultContract: ActivityResultLauncher<Intent> = registerForActivityResult(ActivityResultContracts.StartActivityForResult()){
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result: ActivityResult? ->
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if (result?.resultCode == Activity.RESULT_OK && result.data != null) {
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val position: Int = result.data!!.getIntExtra(PhotoEditActivity.PICTURE_POSITION, 0)
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photoData.getOrNull(position)?.apply {
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imageUri = result.data!!.getStringExtra(PhotoEditActivity.PICTURE_URI)!!.toUri()
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size = imageUri.getSize()
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progress = null
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uploadId = null
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} ?: Toast.makeText(applicationContext, "Error while editing", Toast.LENGTH_SHORT).show()
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binding.carousel.addData(photoData.map { CarouselItem(it.imageUri, it.imageDescription) })
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} else if(result?.resultCode != Activity.RESULT_CANCELED){
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Toast.makeText(applicationContext, "Error while editing", Toast.LENGTH_SHORT).show()
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}
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}
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private fun edit(position: Int) {
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val intent = Intent(this, PhotoEditActivity::class.java)
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.putExtra(PhotoEditActivity.PICTURE_URI, photoData[position].imageUri)
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.putExtra(PhotoEditActivity.PICTURE_POSITION, position)
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editResultContract.launch(intent)
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}
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} |