mirror of
https://github.com/advplyr/audiobookshelf.git
synced 2024-12-20 19:06:06 +01:00
367 lines
12 KiB
Vue
367 lines
12 KiB
Vue
<template>
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<div class="w-full h-full">
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<div v-show="showPageMenu" v-click-outside="clickOutside" class="pagemenu absolute top-9 left-8 rounded-md overflow-y-auto bg-bg shadow-lg z-20 border border-gray-400" :style="{ width: pageMenuWidth + 'px' }">
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<div v-for="(file, index) in cleanedPageNames" :key="file" class="w-full cursor-pointer hover:bg-black-200 px-2 py-1" :class="page === index ? 'bg-black-200' : ''" @click="setPage(index + 1)">
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<p class="text-sm truncate">{{ file }}</p>
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</div>
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</div>
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<div v-show="showInfoMenu" v-click-outside="clickOutside" class="pagemenu absolute top-9 left-20 rounded-md overflow-y-auto bg-bg shadow-lg z-20 border border-gray-400 w-96">
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<div v-for="key in comicMetadataKeys" :key="key" class="w-full px-2 py-1">
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<p class="text-xs">
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<strong>{{ key }}</strong
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>: {{ comicMetadata[key] }}
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</p>
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</div>
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</div>
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<a v-if="pages && numPages" :href="mainImg" :download="pages[page - 1]" class="absolute top-0 bg-bg text-gray-100 border-b border-l border-r border-gray-400 hover:bg-black-200 cursor-pointer rounded-b-md w-10 h-9 flex items-center justify-center text-center z-20" :class="comicMetadata ? 'left-32' : 'left-20'">
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<span class="material-icons text-xl">download</span>
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</a>
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<div v-if="comicMetadata" class="absolute top-0 left-20 bg-bg text-gray-100 border-b border-l border-r border-gray-400 hover:bg-black-200 cursor-pointer rounded-b-md w-10 h-9 flex items-center justify-center text-center z-20" @mousedown.prevent @click.stop.prevent="clickShowInfoMenu">
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<span class="material-icons text-xl">more</span>
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</div>
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<div v-if="numPages" class="absolute top-0 left-8 bg-bg text-gray-100 border-b border-l border-r border-gray-400 hover:bg-black-200 cursor-pointer rounded-b-md w-10 h-9 flex items-center justify-center text-center z-20" @mousedown.prevent @click.stop.prevent="clickShowPageMenu">
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<span class="material-icons text-xl">menu</span>
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</div>
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<div v-if="numPages" class="absolute top-0 right-16 bg-bg text-gray-100 border-b border-l border-r border-gray-400 rounded-b-md px-2 h-9 flex items-center text-center z-20">
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<p class="font-mono">{{ page }} / {{ numPages }}</p>
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</div>
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<div v-if="mainImg" class="absolute top-0 right-40 bg-bg text-gray-100 border-b border-l border-r border-gray-400 z-20 rounded-b-md px-2 h-9 hidden md:flex items-center text-center">
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<ui-icon-btn icon="zoom_out" :size="8" :disabled="!canScaleDown" borderless class="mr-px" @click="zoomOut" />
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<ui-icon-btn icon="zoom_in" :size="8" :disabled="!canScaleUp" borderless class="ml-px" @click="zoomIn" />
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</div>
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<div class="w-full h-full relative">
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<div v-show="canGoPrev" class="absolute top-0 left-0 h-full w-1/2 lg:w-1/3 hover:opacity-100 opacity-0 z-10 cursor-pointer" @click.stop.prevent="prev" @mousedown.prevent>
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<div class="flex items-center justify-center h-full w-1/2">
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<span v-show="loadedFirstPage" class="material-icons text-5xl text-white cursor-pointer text-opacity-30 hover:text-opacity-90">arrow_back_ios</span>
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</div>
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</div>
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<div v-show="canGoNext" class="absolute top-0 right-0 h-full w-1/2 lg:w-1/3 hover:opacity-100 opacity-0 z-10 cursor-pointer" @click.stop.prevent="next" @mousedown.prevent>
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<div class="flex items-center justify-center h-full w-1/2 ml-auto">
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<span v-show="loadedFirstPage" class="material-icons text-5xl text-white cursor-pointer text-opacity-30 hover:text-opacity-90">arrow_forward_ios</span>
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</div>
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</div>
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<div class="w-full h-full relative overflow-auto">
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<div class="h-full flex" :class="scale > 100 ? '' : 'justify-center'">
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<img v-if="mainImg" :style="{ minWidth: scale + '%', width: scale + '%' }" :src="mainImg" class="object-contain m-auto" />
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</div>
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</div>
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<div v-show="loading" class="w-full h-full absolute top-0 left-0 flex items-center justify-center z-10">
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<ui-loading-indicator />
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</div>
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</div>
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</div>
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</template>
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<script>
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import Path from 'path'
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import { Archive } from 'libarchive.js/main.js'
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import { CompressedFile } from 'libarchive.js/src/compressed-file'
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// This is % with respect to the screen width
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const MAX_SCALE = 400
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const MIN_SCALE = 10
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Archive.init({
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workerUrl: '/libarchive/worker-bundle.js'
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})
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export default {
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props: {
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libraryItem: {
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type: Object,
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default: () => {}
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},
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playerOpen: Boolean,
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keepProgress: Boolean,
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fileId: String
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},
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data() {
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return {
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loading: false,
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pages: null,
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filesObject: null,
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mainImg: null,
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page: 0,
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numPages: 0,
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pageMenuWidth: 256,
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showPageMenu: false,
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showInfoMenu: false,
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loadTimeout: null,
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loadedFirstPage: false,
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comicMetadata: null,
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scale: 80,
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}
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},
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watch: {
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url: {
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immediate: true,
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handler() {
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this.extract()
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}
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}
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},
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computed: {
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userToken() {
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return this.$store.getters['user/getToken']
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},
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libraryItemId() {
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return this.libraryItem?.id
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},
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ebookUrl() {
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if (this.fileId) {
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return `/api/items/${this.libraryItemId}/ebook/${this.fileId}`
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}
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return `/api/items/${this.libraryItemId}/ebook`
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},
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comicMetadataKeys() {
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return this.comicMetadata ? Object.keys(this.comicMetadata) : []
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},
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canGoNext() {
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return this.page < this.numPages
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},
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canGoPrev() {
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return this.page > 1
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},
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userMediaProgress() {
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if (!this.libraryItemId) return
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return this.$store.getters['user/getUserMediaProgress'](this.libraryItemId)
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},
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savedPage() {
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if (!this.keepProgress) return 0
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// Validate ebookLocation is a number
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if (!this.userMediaProgress?.ebookLocation || isNaN(this.userMediaProgress.ebookLocation)) return 0
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return Number(this.userMediaProgress.ebookLocation)
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},
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cleanedPageNames() {
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return (
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this.pages?.map((p) => {
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if (p.length > 50) {
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let firstHalf = p.slice(0, 22)
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let lastHalf = p.slice(p.length - 23)
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return `${firstHalf} ... ${lastHalf}`
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}
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return p
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}) || []
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)
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},
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canScaleUp() {
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return this.scale < MAX_SCALE
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},
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canScaleDown() {
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return this.scale > MIN_SCALE
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}
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},
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methods: {
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clickShowPageMenu() {
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this.showInfoMenu = false
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this.showPageMenu = !this.showPageMenu
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},
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clickShowInfoMenu() {
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this.showPageMenu = false
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this.showInfoMenu = !this.showInfoMenu
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},
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updateProgress() {
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if (!this.keepProgress) return
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if (!this.numPages) {
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console.error('Num pages not loaded')
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return
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}
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if (this.savedPage === this.page) {
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return
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}
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const payload = {
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ebookLocation: this.page,
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ebookProgress: Math.max(0, Math.min(1, (Number(this.page) - 1) / Number(this.numPages)))
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}
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this.$axios.$patch(`/api/me/progress/${this.libraryItemId}`, payload).catch((error) => {
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console.error('ComicReader.updateProgress failed:', error)
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})
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},
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clickOutside() {
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if (this.showPageMenu) this.showPageMenu = false
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if (this.showInfoMenu) this.showInfoMenu = false
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},
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next() {
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if (!this.canGoNext) return
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this.setPage(this.page + 1)
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},
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prev() {
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if (!this.canGoPrev) return
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this.setPage(this.page - 1)
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},
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setPage(page) {
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if (page <= 0 || page > this.numPages) {
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return
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}
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this.showPageMenu = false
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this.showInfoMenu = false
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const filename = this.pages[page - 1]
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this.page = page
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this.updateProgress()
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return this.extractFile(filename)
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},
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setLoadTimeout() {
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this.loadTimeout = setTimeout(() => {
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this.loading = true
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}, 150)
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},
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extractFile(filename) {
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return new Promise(async (resolve) => {
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this.setLoadTimeout()
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var file = await this.filesObject[filename].extract()
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var reader = new FileReader()
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reader.onload = (e) => {
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this.mainImg = e.target.result
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this.loading = false
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resolve()
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}
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reader.onerror = (e) => {
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console.error(e)
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this.$toast.error('Read page file failed')
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this.loading = false
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resolve()
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}
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reader.readAsDataURL(file)
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clearTimeout(this.loadTimeout)
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})
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},
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async extract() {
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this.loading = true
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var buff = await this.$axios.$get(this.ebookUrl, {
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responseType: 'blob',
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headers: {
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Authorization: `Bearer ${this.userToken}`
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}
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})
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const archive = await Archive.open(buff)
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const originalFilesObject = await archive.getFilesObject()
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// to support images in subfolders we need to flatten the object
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// ref: https://github.com/advplyr/audiobookshelf/issues/811
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this.filesObject = this.flattenFilesObject(originalFilesObject)
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console.log('Extracted files object', this.filesObject)
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var filenames = Object.keys(this.filesObject)
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this.parseFilenames(filenames)
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var xmlFile = filenames.find((f) => (Path.extname(f) || '').toLowerCase() === '.xml')
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if (xmlFile) await this.extractXmlFile(xmlFile)
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this.numPages = this.pages.length
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// Calculate page menu size
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const largestFilename = this.cleanedPageNames
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.map((p) => p)
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.sort((a, b) => a.length - b.length)
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.pop()
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const pEl = document.createElement('p')
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pEl.innerText = largestFilename
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pEl.style.fontSize = '0.875rem'
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pEl.style.opacity = 0
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pEl.style.position = 'absolute'
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document.body.appendChild(pEl)
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const textWidth = pEl.getBoundingClientRect()?.width
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if (textWidth) {
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this.pageMenuWidth = textWidth + (16 + 5 + 2 + 5)
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}
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pEl.remove()
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if (this.pages.length) {
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this.loading = false
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const startPage = this.savedPage > 0 && this.savedPage <= this.numPages ? this.savedPage : 1
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await this.setPage(startPage)
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this.loadedFirstPage = true
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} else {
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this.$toast.error('Unable to extract pages')
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this.loading = false
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}
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},
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flattenFilesObject(filesObject) {
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const flattenObject = (obj, prefix = '') => {
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var _obj = {}
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for (const key in obj) {
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const newKey = prefix ? prefix + '/' + key : key
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if (obj[key] instanceof CompressedFile) {
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_obj[newKey] = obj[key]
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} else if (!key.startsWith('_') && typeof obj[key] === 'object' && !Array.isArray(obj[key])) {
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_obj = {
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..._obj,
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...flattenObject(obj[key], newKey)
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}
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} else {
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_obj[newKey] = obj[key]
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}
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}
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return _obj
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}
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return flattenObject(filesObject)
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},
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async extractXmlFile(filename) {
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console.log('extracting xml filename', filename)
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try {
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var file = await this.filesObject[filename].extract()
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var reader = new FileReader()
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reader.onload = (e) => {
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this.comicMetadata = this.$xmlToJson(e.target.result)
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console.log('Metadata', this.comicMetadata)
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}
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reader.onerror = (e) => {
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console.error(e)
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}
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reader.readAsText(file)
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} catch (error) {
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console.error(error)
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}
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},
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parseImageFilename(filename) {
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var basename = Path.basename(filename, Path.extname(filename))
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var numbersinpath = basename.match(/\d+/g)
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if (!numbersinpath?.length) {
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return {
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index: -1,
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filename
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}
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} else {
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return {
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index: Number(numbersinpath[numbersinpath.length - 1]),
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filename
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}
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}
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},
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parseFilenames(filenames) {
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const acceptableImages = ['.jpeg', '.jpg', '.png']
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var imageFiles = filenames.filter((f) => {
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return acceptableImages.includes((Path.extname(f) || '').toLowerCase())
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})
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var imageFileObjs = imageFiles.map((img) => {
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return this.parseImageFilename(img)
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})
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var imagesWithNum = imageFileObjs.filter((i) => i.index >= 0)
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var orderedImages = imagesWithNum.sort((a, b) => a.index - b.index).map((i) => i.filename)
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var noNumImages = imageFileObjs.filter((i) => i.index < 0)
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orderedImages = orderedImages.concat(noNumImages.map((i) => i.filename))
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this.pages = orderedImages
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},
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zoomIn() {
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this.scale += 10
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},
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zoomOut() {
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this.scale -= 10
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},
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},
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mounted() {},
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beforeDestroy() {}
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}
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</script>
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<style scoped>
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.pagemenu {
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max-height: calc(100% - 48px);
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}
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</style> |