stakancheck/PDFGenerator.kt

## PDFGenerator.kt
class PdfGenerator(private val context: Context) {
    private val htmlToPdfConvertor = HtmlToPdfConvertor(context)

    // Функция генерации и сохранения
    suspend fun generateExpertAct(
        act: ActSave,
        images: List<File>,
        outFile: File
    ): Result<Unit> {
        return suspendCoroutine { continuation ->
            Handler(Looper.getMainLooper()).post {
                htmlToPdfConvertor.convert(
                    pdfLocation = outFile,
                    htmlString = generateExpertActHtml(
                        act = act,
                        images = images
                    ),
                    onPdfGenerationFailed = { exception ->
                        continuation.resume(Result.failure(exception))
                    },
                    onPdfGenerated = {
                        continuation.resume(Result.success(Unit))
                    }
                )
            }
        }
    }

    private fun generateExpertActHtml(
        act: ActSave,
        images: List<File>
    ): String {

        // Генерируем шапку файла
        val documentInfoHeader: String = generateDocumentInfoHeader(
            act.object_,
            act.address,
            act.owner
        )

        // Список картинок для таблицы
        var imagesToAdd = mutableListOf<String>()

        // Основной контент, таблица с комментариями
        val tableObservationsContent = buildString {
            for (room in act.rooms) {
                for (item in room.items) {
                    append(generateItemTableLine(room.room_name, item.item_name))
                    for (observation in item.observes) {
                        append(
                            generateItemTableObservation(
                                observation.problem_description,
                                observation.standard_description,
                                observation.comment,
                                generateImagesData(
                                    imagesToAdd.size,
                                    observation.images
                                )
                            )
                        )
                        // Добавляем картинки из записи, для таблицы картинок
                        imagesToAdd.addAll(observation.images)
                    }
                }
            }
        }

        // Таблица картинок
        val tableImagesContent = buildString {
            for (i in 0 until imagesToAdd.size step 2) {
                val image1 = images.findLast { it.name == imagesToAdd[i] }?.absolutePath
                val image2 =
                    images.findLast { it.name == imagesToAdd.getOrNull(i + 1) }?.absolutePath
                if (image1 != null) {
                    append(
                        generateImageTableLine(
                            i + 1,  // Номер картинки
                            image1, // Картинка слева
                            image2  // Картинка справа
                        )
                    )
                }
            }
        }

        // Возвращаем готовый HTML контент
        return buildString {
            append(PREFIX)
            append(STYLE)
            append(
                surroundWithBody(
                    buildString {
                        append(documentInfoHeader)
                        append(
                            surroundWithTableObservations(
                                tableObservationsContent
                            )
                        )
                        append(
                            surroundWithTableImages(
                                tableImagesContent
                            )
                        )
                    }
                )
            )
            append(SUFFIX)
        }
    }

    <..>

    companion object {
        const val TAG: String = "PdfGenerator"

        private val PREFIX = """
            <!DOCTYPE html>
            <html lang="ru">
            <head>
                <meta charset="UTF-8">
                <title>Report</title>
            </head>

        """.trimIndent()

        private val SUFFIX = """
            </html>

        """.trimIndent()

        private val STYLE = """
            <style>
                table, td {
                    border: 1px solid;
                    padding: 5px;
                }
                td {
                    font-family: "Times New Roman", serif;
                    font-style: normal;
                    font-weight: normal;
                    text-decoration: none;
                    font-size: 12pt;
                    vertical-align: top;
                    text-align: left;
                }
                table {
                    width: 100%;
                    border-collapse: collapse;
                    table-layout: fixed;
                }
                h1 {
                    font-family: "Times New Roman", serif;
                    font-style: normal;
                    font-weight: bold;
                    text-decoration: none;
                    font-size: 18pt;
                }
                h3 {
                    font-family: "Times New Roman", serif;
                    font-style: normal;
                    font-weight: bold;
                    text-decoration: none;
                    font-size: 14pt;
                }
                .break-before {
                    page-break-before: always;
                }
                th {
                    text-align: left;
                }
                * {
                    overflow: visible !important;
                }
                table {
                    page-break-before: avoid !important;
                }
                table, tr, td, th, tbody, thead, tfoot {
                    page-break-inside: avoid !important;
                    page-break-before: auto;
                }
                img {
                    max-width: 100%;
                    max-height: 100%;
                }
                @page {
                    size: A4;
                    margin: 10mm;
                }
                @media print {
                    body {
                        width: 210mm;
                        height: 297mm;
                    }
                }
            </style>

        """.trimIndent()
    }
}
	class PdfGenerator(private val context: Context) {
	private val htmlToPdfConvertor = HtmlToPdfConvertor(context)

	// Функция генерации и сохранения
	suspend fun generateExpertAct(
	act: ActSave,
	images: List<File>,
	outFile: File
	): Result<Unit> {
	return suspendCoroutine { continuation ->
	Handler(Looper.getMainLooper()).post {
	htmlToPdfConvertor.convert(
	pdfLocation = outFile,
	htmlString = generateExpertActHtml(
	act = act,
	images = images
	),
	onPdfGenerationFailed = { exception ->
	continuation.resume(Result.failure(exception))
	},
	onPdfGenerated = {
	continuation.resume(Result.success(Unit))
	}
	)
	}
	}
	}

	private fun generateExpertActHtml(
	act: ActSave,
	images: List<File>
	): String {

	// Генерируем шапку файла
	val documentInfoHeader: String = generateDocumentInfoHeader(
	act.object_,
	act.address,
	act.owner
	)

	// Список картинок для таблицы
	var imagesToAdd = mutableListOf<String>()

	// Основной контент, таблица с комментариями
	val tableObservationsContent = buildString {
	for (room in act.rooms) {
	for (item in room.items) {
	append(generateItemTableLine(room.room_name, item.item_name))
	for (observation in item.observes) {
	append(
	generateItemTableObservation(
	observation.problem_description,
	observation.standard_description,
	observation.comment,
	generateImagesData(
	imagesToAdd.size,
	observation.images
	)
	)
	)
	// Добавляем картинки из записи, для таблицы картинок
	imagesToAdd.addAll(observation.images)
	}
	}
	}
	}

	// Таблица картинок
	val tableImagesContent = buildString {
	for (i in 0 until imagesToAdd.size step 2) {
	val image1 = images.findLast { it.name == imagesToAdd[i] }?.absolutePath
	val image2 =
	images.findLast { it.name == imagesToAdd.getOrNull(i + 1) }?.absolutePath
	if (image1 != null) {
	append(
	generateImageTableLine(
	i + 1, // Номер картинки
	image1, // Картинка слева
	image2 // Картинка справа
	)
	)
	}
	}
	}

	// Возвращаем готовый HTML контент
	return buildString {
	append(PREFIX)
	append(STYLE)
	append(
	surroundWithBody(
	buildString {
	append(documentInfoHeader)
	append(
	surroundWithTableObservations(
	tableObservationsContent
	)
	)
	append(
	surroundWithTableImages(
	tableImagesContent
	)
	)
	}
	)
	)
	append(SUFFIX)
	}
	}

	<..>

	companion object {
	const val TAG: String = "PdfGenerator"

	private val PREFIX = """
	<!DOCTYPE html>
	<html lang="ru">
	<head>
	<meta charset="UTF-8">
	<title>Report</title>
	</head>

	""".trimIndent()

	private val SUFFIX = """
	</html>

	""".trimIndent()

	private val STYLE = """
	<style>
	table, td {
	border: 1px solid;
	padding: 5px;
	}
	td {
	font-family: "Times New Roman", serif;
	font-style: normal;
	font-weight: normal;
	text-decoration: none;
	font-size: 12pt;
	vertical-align: top;
	text-align: left;
	}
	table {
	width: 100%;
	border-collapse: collapse;
	table-layout: fixed;
	}
	h1 {
	font-family: "Times New Roman", serif;
	font-style: normal;
	font-weight: bold;
	text-decoration: none;
	font-size: 18pt;
	}
	h3 {
	font-family: "Times New Roman", serif;
	font-style: normal;
	font-weight: bold;
	text-decoration: none;
	font-size: 14pt;
	}
	.break-before {
	page-break-before: always;
	}
	th {
	text-align: left;
	}
	* {
	overflow: visible !important;
	}
	table {
	page-break-before: avoid !important;
	}
	table, tr, td, th, tbody, thead, tfoot {
	page-break-inside: avoid !important;
	page-break-before: auto;
	}
	img {
	max-width: 100%;
	max-height: 100%;
	}
	@page {
	size: A4;
	margin: 10mm;
	}
	@media print {
	body {
	width: 210mm;
	height: 297mm;
	}
	}
	</style>

	""".trimIndent()
	}
	}