Added URL detection in reader, improved platform URL handling, library item auto-rescan, and file association support.

composeApp/src/jvmMain/kotlin/net/sergeych/toread/BookPlatform.jvm.kt

@@ -20,6 +20,7 @@ import java.awt.datatransfer.Transferable
 import java.awt.datatransfer.UnsupportedFlavorException
 import java.io.File
 import java.io.ByteArrayInputStream
+import java.net.URI
 import javax.imageio.ImageIO
 import java.text.SimpleDateFormat
 import java.util.Date
@@ -36,6 +37,14 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
+private var pendingOpenBookFile: File? = null
+
+fun rememberPlatformOpenBookArguments(args: Array<String>) {
+    pendingOpenBookFile = args.asSequence()
+        .map(::File)
+        .firstOrNull { it.isFile && it.name.isSupportedBookFile() }
+}
+
 actual fun loadDefaultBookBytes(): ByteArray? {
     var current = File(System.getProperty("user.dir")).absoluteFile
     while (true) {
@@ -70,7 +79,26 @@ actual suspend fun copyImageToClipboard(bytes: ByteArray, mimeType: String, labe
 
 actual fun defaultLibraryScanPath(): String? = findProjectRoot()?.let { File(it, "test_books").absolutePath }
 
-actual suspend fun loadPlatformOpenBookRequest(): PlatformOpenBookRequest? = null
+actual suspend fun loadPlatformOpenBookRequest(): PlatformOpenBookRequest? = withContext(Dispatchers.IO) {
+    val file = pendingOpenBookFile ?: return@withContext null
+    pendingOpenBookFile = null
+    val bytes = file.readBytes()
+    val importResult = openLibraryDatabase().useLibrary { db ->
+        LibraryScanner(db, ::appendLibraryLog).importExternalFileAndGetResult(
+            bytes = bytes,
+            displayName = file.name,
+            storageUri = file.absolutePath,
+            sizeBytes = file.length(),
+            lastModifiedMillis = file.lastModified(),
+        )
+    }
+    appendLibraryLog("platform open imported=${importResult.imported} fileId=${importResult.fileId} path=${file.absolutePath}")
+    PlatformOpenBookRequest(
+        id = importResult.fileId,
+        displayName = file.name,
+        bytes = bytes,
+    )
+}
 
 actual suspend fun chooseLibraryScanDirectory(): String? = withContext(Dispatchers.IO) {
     val chooser = JFileChooser(defaultLibraryScanPath())
@@ -301,6 +329,15 @@ actual suspend fun viewLibraryBookFile(folder: String, fileName: String): Boolea
     }.getOrDefault(false)
 }
 
+actual fun openPlatformUrl(url: String): Boolean =
+    runCatching {
+        if (!Desktop.isDesktopSupported() || !Desktop.getDesktop().isSupported(Desktop.Action.BROWSE)) {
+            return@runCatching false
+        }
+        Desktop.getDesktop().browse(URI(url))
+        true
+    }.getOrDefault(false)
+
 private fun selectOrOpenBookFile(directory: File, file: File): Boolean {
     if (isLinuxDesktop() && trySelectLinuxFile(file)) return true
     if (!Desktop.isDesktopSupported()) return false
@@ -654,6 +691,9 @@ private fun runCommand(vararg command: String): String? =
         }
     }.getOrNull()
 
+private fun String.isSupportedBookFile(): Boolean =
+    endsWith(".fb2", ignoreCase = true) || endsWith(".fb2.zip", ignoreCase = true)
+
 private const val ActiveReadingFileIdFlag = "active_reading_file_id"
 private const val ThemeModeFlag = "theme_mode"
 private const val ReaderFontSettingsFlag = "reader_font_settings"

composeApp/src/jvmMain/kotlin/net/sergeych/toread/main.kt

@@ -3,11 +3,14 @@ package net.sergeych.toread
 import androidx.compose.ui.window.Window
 import androidx.compose.ui.window.application
 
-fun main() = application {
-    Window(
-        onCloseRequest = ::exitApplication,
-        title = strings.appName,
-    ) {
-        App()
+fun main(args: Array<String>) {
+    rememberPlatformOpenBookArguments(args)
+    application {
+        Window(
+            onCloseRequest = ::exitApplication,
+            title = strings.appName,
+        ) {
+            App()
+        }
     }
 }