安卓电子书抽屉App

data class Book(
    val id: String,
    val title: String,
    val author: String? = null,
    val series: String? = null,
    val path: String,
    val type: String,
    val size: Long,
    val coverPath: String? = null,
    val pageCount: Int? = null,
    val readingProgress: Float = 0f,
    val lastReadAt: Date? = null,
    var isFavorite: Boolean = false,
    var isPrivate: Boolean = false
)

class SeriesRecognizer {

private val seriesPatterns = mapOf(
    "三体" to listOf("三体", "黑暗森林", "死神永生"),
    "哈利·波特" to listOf("哈利·波特", "魔法石", "密室", "阿兹卡班囚徒"),
    "红楼梦" to listOf("红楼梦", "石头记"),
    "西游记" to listOf("西游记", "孙悟空")
)

fun recognizeSeries(title: String): String? {
    seriesPatterns.forEach { (seriesName, keywords) ->
        if (keywords.any { keyword -> title.contains(keyword, ignoreCase = true) }) {
            return seriesName
        }
    }
    return null
}

fun extractAuthor(title: String): String? {
    val authorPatterns = mapOf(
        "刘慈欣" to listOf("刘慈欣", "三体"),
        "J.K.罗琳" to listOf("J.K.罗琳", "哈利·波特")
    )

    authorPatterns.forEach { (author, keywords) ->
        if (keywords.any { keyword -> title.contains(keyword, ignoreCase = true) }) {
            return author
        }
    }
    return null
}
}

class ReaderActivity : AppCompatActivity() {

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    val filePath = intent.getStringExtra("filePath")
    val fileType = getFileType(filePath)

    when (fileType) {
        "pdf" -> {
            setupPdfReader(filePath)
        }
        "epub" -> {
            setupEpubReader(filePath)
        }
        else -> {
            Toast.makeText(this, "不支持的文件格式", Toast.LENGTH_SHORT).show()
        finish()
        }
    }
}

private fun setupPdfReader(filePath: String) {
    val pdfView = findViewById(R.id.pdf_view)
    pdfView.fromFile(File(filePath))
        .enableSwipe(true)
        .swipeHorizontal(false)
        .enableDoubleTapZoom(true)
        .enableAnnotationRendering(true)
        .defaultPage(0)
        .onLoad({ page ->
            Log.d("PDF", "加载完成，共 $page 页")
        })
        .onPageChange({ _, currentPage ->
            saveReadingProgress(currentPage)
        })
        .load()
}
}