Files
bitchat-android/app/src/main/java/com/bitchat/android/ui/MediaSendingManager.kt
T
2026-06-10 14:14:28 +02:00

343 lines
13 KiB
Kotlin

package com.bitchat.android.ui
import android.util.Log
import com.bitchat.android.mesh.BluetoothMeshService
import com.bitchat.android.model.BitchatFilePacket
import com.bitchat.android.model.BitchatMessage
import com.bitchat.android.model.BitchatMessageType
import com.bitchat.android.util.Hashing
import java.util.Date
/**
* Handles media file sending operations (voice notes, images, generic files)
* Separated from ChatViewModel for better separation of concerns
*/
class MediaSendingManager(
private val state: ChatState,
private val messageManager: MessageManager,
private val channelManager: ChannelManager,
private val getMeshService: () -> BluetoothMeshService
) {
// Helper to get current mesh service (may change after panic clear)
private val meshService: BluetoothMeshService
get() = getMeshService()
companion object {
private const val TAG = "MediaSendingManager"
private const val MAX_FILE_SIZE = com.bitchat.android.util.AppConstants.Media.MAX_FILE_SIZE_BYTES // 50MB limit
}
// Track in-flight transfer progress: transferId -> messageId and reverse
private val transferMessageMap = mutableMapOf<String, String>()
private val messageTransferMap = mutableMapOf<String, String>()
/**
* Send a voice note (audio file)
*/
fun sendVoiceNote(toPeerIDOrNull: String?, channelOrNull: String?, filePath: String) {
try {
val file = java.io.File(filePath)
if (!file.exists()) {
Log.e(TAG, "❌ File does not exist: $filePath")
return
}
Log.d(TAG, "📁 File exists: size=${file.length()} bytes, name=${file.name}")
if (file.length() > MAX_FILE_SIZE) {
Log.e(TAG, "❌ File too large: ${file.length()} bytes (max: $MAX_FILE_SIZE)")
return
}
val filePacket = BitchatFilePacket(
fileName = file.name,
fileSize = file.length(),
mimeType = "audio/mp4",
content = file.readBytes()
)
if (toPeerIDOrNull != null) {
sendPrivateFile(toPeerIDOrNull, filePacket, filePath, BitchatMessageType.Audio)
} else {
sendPublicFile(channelOrNull, filePacket, filePath, BitchatMessageType.Audio)
}
} catch (e: Exception) {
Log.e(TAG, "Failed to send voice note: ${e.message}")
}
}
/**
* Send an image file
*/
fun sendImageNote(toPeerIDOrNull: String?, channelOrNull: String?, filePath: String) {
try {
Log.d(TAG, "🔄 Starting image send: $filePath")
val file = java.io.File(filePath)
if (!file.exists()) {
Log.e(TAG, "❌ File does not exist: $filePath")
return
}
Log.d(TAG, "📁 File exists: size=${file.length()} bytes, name=${file.name}")
if (file.length() > MAX_FILE_SIZE) {
Log.e(TAG, "❌ File too large: ${file.length()} bytes (max: $MAX_FILE_SIZE)")
return
}
val filePacket = BitchatFilePacket(
fileName = file.name,
fileSize = file.length(),
mimeType = "image/jpeg",
content = file.readBytes()
)
if (toPeerIDOrNull != null) {
sendPrivateFile(toPeerIDOrNull, filePacket, filePath, BitchatMessageType.Image)
} else {
sendPublicFile(channelOrNull, filePacket, filePath, BitchatMessageType.Image)
}
} catch (e: Exception) {
Log.e(TAG, "❌ CRITICAL: Image send failed completely", e)
Log.e(TAG, "❌ Image path: $filePath")
Log.e(TAG, "❌ Error details: ${e.message}")
Log.e(TAG, "❌ Error type: ${e.javaClass.simpleName}")
}
}
/**
* Send a generic file
*/
fun sendFileNote(toPeerIDOrNull: String?, channelOrNull: String?, filePath: String) {
try {
Log.d(TAG, "🔄 Starting file send: $filePath")
val file = java.io.File(filePath)
if (!file.exists()) {
Log.e(TAG, "❌ File does not exist: $filePath")
return
}
Log.d(TAG, "📁 File exists: size=${file.length()} bytes, name=${file.name}")
if (file.length() > MAX_FILE_SIZE) {
Log.e(TAG, "❌ File too large: ${file.length()} bytes (max: $MAX_FILE_SIZE)")
return
}
// Use the real MIME type based on extension; fallback to octet-stream
val mimeType = try {
com.bitchat.android.features.file.FileUtils.getMimeTypeFromExtension(file.name)
} catch (_: Exception) {
"application/octet-stream"
}
Log.d(TAG, "🏷️ MIME type: $mimeType")
// Try to preserve the original file name if our copier prefixed it earlier
val originalName = run {
val name = file.name
val base = name.substringBeforeLast('.')
val ext = name.substringAfterLast('.', "").let { if (it.isNotBlank()) ".${it}" else "" }
val stripped = Regex("^send_\\d+_(.+)$").matchEntire(base)?.groupValues?.getOrNull(1) ?: base
stripped + ext
}
Log.d(TAG, "📝 Original filename: $originalName")
val filePacket = BitchatFilePacket(
fileName = originalName,
fileSize = file.length(),
mimeType = mimeType,
content = file.readBytes()
)
Log.d(TAG, "📦 Created file packet successfully")
val messageType = when {
mimeType.lowercase().startsWith("image/") -> BitchatMessageType.Image
mimeType.lowercase().startsWith("audio/") -> BitchatMessageType.Audio
else -> BitchatMessageType.File
}
if (toPeerIDOrNull != null) {
sendPrivateFile(toPeerIDOrNull, filePacket, filePath, messageType)
} else {
sendPublicFile(channelOrNull, filePacket, filePath, messageType)
}
} catch (e: Exception) {
Log.e(TAG, "❌ CRITICAL: File send failed completely", e)
Log.e(TAG, "❌ File path: $filePath")
Log.e(TAG, "❌ Error details: ${e.message}")
Log.e(TAG, "❌ Error type: ${e.javaClass.simpleName}")
}
}
/**
* Send a file privately (encrypted)
*/
private fun sendPrivateFile(
toPeerID: String,
filePacket: BitchatFilePacket,
filePath: String,
messageType: BitchatMessageType
) {
val payload = filePacket.encode()
if (payload == null) {
Log.e(TAG, "❌ Failed to encode file packet for private send")
return
}
Log.d(TAG, "🔒 Encoded private packet: ${payload.size} bytes")
val transferId = Hashing.sha256Hex(payload)
val contentHash = Hashing.sha256Hex(filePacket.content)
Log.d(TAG, "📤 FILE_TRANSFER send (private): name='${filePacket.fileName}', size=${filePacket.fileSize}, mime='${filePacket.mimeType}', sha256=$contentHash, to=${toPeerID.take(8)} transferId=${transferId.take(16)}…")
val msg = BitchatMessage(
id = java.util.UUID.randomUUID().toString().uppercase(), // Generate unique ID for each message
sender = state.getNicknameValue() ?: "me",
content = filePath,
type = messageType,
timestamp = Date(),
isRelay = false,
isPrivate = true,
recipientNickname = try { meshService.getPeerNicknames()[toPeerID] } catch (_: Exception) { null },
senderPeerID = meshService.myPeerID
)
messageManager.addPrivateMessage(toPeerID, msg)
synchronized(transferMessageMap) {
transferMessageMap[transferId] = msg.id
messageTransferMap[msg.id] = transferId
}
// Seed progress so delivery icons render for media
messageManager.updateMessageDeliveryStatus(
msg.id,
com.bitchat.android.model.DeliveryStatus.PartiallyDelivered(0, 100)
)
Log.d(TAG, "📤 Calling meshService.sendFilePrivate to $toPeerID")
meshService.sendFilePrivate(toPeerID, filePacket)
Log.d(TAG, "✅ File send completed successfully")
}
/**
* Send a file publicly (broadcast or channel)
*/
private fun sendPublicFile(
channelOrNull: String?,
filePacket: BitchatFilePacket,
filePath: String,
messageType: BitchatMessageType
) {
val payload = filePacket.encode()
if (payload == null) {
Log.e(TAG, "❌ Failed to encode file packet for broadcast send")
return
}
Log.d(TAG, "🔓 Encoded broadcast packet: ${payload.size} bytes")
val transferId = Hashing.sha256Hex(payload)
val contentHash = Hashing.sha256Hex(filePacket.content)
Log.d(TAG, "📤 FILE_TRANSFER send (broadcast): name='${filePacket.fileName}', size=${filePacket.fileSize}, mime='${filePacket.mimeType}', sha256=$contentHash, transferId=${transferId.take(16)}…")
val message = BitchatMessage(
id = java.util.UUID.randomUUID().toString().uppercase(), // Generate unique ID for each message
sender = state.getNicknameValue() ?: meshService.myPeerID,
content = filePath,
type = messageType,
timestamp = Date(),
isRelay = false,
senderPeerID = meshService.myPeerID,
channel = channelOrNull
)
if (!channelOrNull.isNullOrBlank()) {
channelManager.addChannelMessage(channelOrNull, message, meshService.myPeerID)
} else {
messageManager.addMessage(message)
}
synchronized(transferMessageMap) {
transferMessageMap[transferId] = message.id
messageTransferMap[message.id] = transferId
}
// Seed progress so animations start immediately
messageManager.updateMessageDeliveryStatus(
message.id,
com.bitchat.android.model.DeliveryStatus.PartiallyDelivered(0, 100)
)
Log.d(TAG, "📤 Calling meshService.sendFileBroadcast")
meshService.sendFileBroadcast(filePacket)
Log.d(TAG, "✅ File broadcast completed successfully")
}
/**
* Cancel a media transfer by message ID
*/
fun cancelMediaSend(messageId: String) {
val transferId = synchronized(transferMessageMap) { messageTransferMap[messageId] }
if (transferId != null) {
val cancelled = meshService.cancelFileTransfer(transferId)
if (cancelled) {
// Try to remove cached local file for this message (if any)
runCatching { findMessagePathById(messageId)?.let { java.io.File(it).delete() } }
// Remove the message from chat upon explicit cancel
messageManager.removeMessageById(messageId)
synchronized(transferMessageMap) {
transferMessageMap.remove(transferId)
messageTransferMap.remove(messageId)
}
}
}
}
private fun findMessagePathById(messageId: String): String? {
// Search main timeline
state.getMessagesValue().firstOrNull { it.id == messageId }?.content?.let { return it }
// Search private chats
state.getPrivateChatsValue().values.forEach { list ->
list.firstOrNull { it.id == messageId }?.content?.let { return it }
}
// Search channel messages
state.getChannelMessagesValue().values.forEach { list ->
list.firstOrNull { it.id == messageId }?.content?.let { return it }
}
return null
}
/**
* Update progress for a transfer
*/
fun updateTransferProgress(transferId: String, messageId: String) {
synchronized(transferMessageMap) {
transferMessageMap[transferId] = messageId
messageTransferMap[messageId] = transferId
}
}
/**
* Handle transfer progress events
*/
fun handleTransferProgressEvent(evt: com.bitchat.android.mesh.TransferProgressEvent) {
val msgId = synchronized(transferMessageMap) { transferMessageMap[evt.transferId] }
if (msgId != null) {
if (evt.completed) {
messageManager.updateMessageDeliveryStatus(
msgId,
com.bitchat.android.model.DeliveryStatus.Delivered(to = "mesh", at = java.util.Date())
)
synchronized(transferMessageMap) {
val msgIdRemoved = transferMessageMap.remove(evt.transferId)
if (msgIdRemoved != null) messageTransferMap.remove(msgIdRemoved)
}
} else {
messageManager.updateMessageDeliveryStatus(
msgId,
com.bitchat.android.model.DeliveryStatus.PartiallyDelivered(evt.sent, evt.total)
)
}
}
}
}