feat: unified package

components/readers/PdfReader.vue

@@ -0,0 +1,182 @@
+<template>
+  <div class="w-full h-full pt-20 relative">
+    <div v-show="canGoPrev" class="absolute top-0 left-0 h-full w-1/2 hover:opacity-100 opacity-0 z-10 cursor-pointer" @click.stop.prevent="prev" @mousedown.prevent>
+      <div class="flex items-center justify-center h-full w-1/2">
+        <span class="material-symbols text-5xl text-white cursor-pointer text-opacity-30 hover:text-opacity-90">arrow_back_ios</span>
+      </div>
+    </div>
+    <div v-show="canGoNext" class="absolute top-0 right-0 h-full w-1/2 hover:opacity-100 opacity-0 z-10 cursor-pointer" @click.stop.prevent="next" @mousedown.prevent>
+      <div class="flex items-center justify-center h-full w-1/2 ml-auto">
+        <span class="material-symbols text-5xl text-white cursor-pointer text-opacity-30 hover:text-opacity-90">arrow_forward_ios</span>
+      </div>
+    </div>
+
+    <div class="absolute top-0 right-20 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">
+      <p class="font-mono">{{ page }} / {{ numPages }}</p>
+    </div>
+    <div 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">
+      <ui-icon-btn icon="zoom_out" :size="8" :disabled="!canScaleDown" borderless class="mr-px" @click="zoomOut" />
+      <ui-icon-btn icon="zoom_in" :size="8" :disabled="!canScaleUp" borderless class="ml-px" @click="zoomIn" />
+    </div>
+
+    <div :style="{ height: pdfHeight + 'px' }" class="overflow-hidden m-auto">
+      <div class="flex items-center justify-center">
+        <div :style="{ width: pdfWidth + 'px', height: pdfHeight + 'px' }" class="overflow-auto">
+          <div v-if="loadedRatio > 0 && loadedRatio < 1" style="background-color: green; color: white; text-align: center" :style="{ width: loadedRatio * 100 + '%' }">{{ Math.floor(loadedRatio * 100) }}%</div>
+          <pdf v-if="pdfDocInitParams" ref="pdf" class="m-auto z-10 border border-black border-opacity-20 shadow-md" :src="pdfDocInitParams" :page="page" :rotate="rotate" @progress="progressEvt" @error="error" @num-pages="numPagesLoaded" @link-clicked="page = $event" @loaded="loadedEvt"></pdf>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import pdf from '@teckel/vue-pdf'
+
+export default {
+  components: {
+    pdf
+  },
+  props: {
+    libraryItem: {
+      type: Object,
+      default: () => {}
+    },
+    playerOpen: Boolean,
+    keepProgress: Boolean,
+    fileId: String
+  },
+  data() {
+    return {
+      windowWidth: 0,
+      windowHeight: 0,
+      scale: 1,
+      rotate: 0,
+      loadedRatio: 0,
+      page: 1,
+      numPages: 0,
+      pdfDocInitParams: null
+    }
+  },
+  computed: {
+    userToken() {
+      return this.$store.getters['user/getToken']
+    },
+    libraryItemId() {
+      return this.libraryItem?.id
+    },
+    fitToPageWidth() {
+      return this.pdfHeight * 0.6
+    },
+    pdfWidth() {
+      return this.fitToPageWidth * this.scale
+    },
+    pdfHeight() {
+      if (this.windowHeight < 400 || !this.playerOpen) return this.windowHeight - 120
+      return this.windowHeight - 284
+    },
+    maxScale() {
+      return Math.floor((this.windowWidth * 10) / this.fitToPageWidth) / 10
+    },
+    canGoNext() {
+      return this.page < this.numPages
+    },
+    canGoPrev() {
+      return this.page > 1
+    },
+    canScaleUp() {
+      return this.scale < this.maxScale
+    },
+    canScaleDown() {
+      return this.scale > 1
+    },
+    userMediaProgress() {
+      if (!this.libraryItemId) return
+      return this.$store.getters['user/getUserMediaProgress'](this.libraryItemId)
+    },
+    savedPage() {
+      if (!this.keepProgress) return 0
+
+      // Validate ebookLocation is a number
+      if (!this.userMediaProgress?.ebookLocation || isNaN(this.userMediaProgress.ebookLocation)) return 0
+      return Number(this.userMediaProgress.ebookLocation)
+    },
+    ebookUrl() {
+      if (this.fileId) {
+        return `/api/items/${this.libraryItemId}/ebook/${this.fileId}`
+      }
+      return `/api/items/${this.libraryItemId}/ebook`
+    }
+  },
+  methods: {
+    zoomIn() {
+      this.scale += 0.1
+    },
+    zoomOut() {
+      this.scale -= 0.1
+    },
+    updateProgress() {
+      if (!this.keepProgress) return
+      if (!this.numPages) {
+        console.error('Num pages not loaded')
+        return
+      }
+
+      const payload = {
+        ebookLocation: this.page,
+        ebookProgress: Math.max(0, Math.min(1, (Number(this.page) - 1) / Number(this.numPages)))
+      }
+      this.$axios.$patch(`/api/me/progress/${this.libraryItemId}`, payload, { progress: false }).catch((error) => {
+        console.error('EpubReader.updateProgress failed:', error)
+      })
+    },
+    loadedEvt() {
+      if (this.savedPage > 0 && this.savedPage <= this.numPages) {
+        this.page = this.savedPage
+      }
+    },
+    progressEvt(progress) {
+      this.loadedRatio = progress
+    },
+    numPagesLoaded(e) {
+      if (!e) return
+      this.numPages = e
+    },
+    prev() {
+      if (this.page <= 1) return
+      this.page--
+      this.updateProgress()
+    },
+    next() {
+      if (this.page >= this.numPages) return
+      this.page++
+      this.updateProgress()
+    },
+    error(err) {
+      console.error(err)
+    },
+    resize() {
+      this.windowWidth = window.innerWidth
+      this.windowHeight = window.innerHeight
+    },
+    init() {
+      this.pdfDocInitParams = {
+        url: this.ebookUrl,
+        httpHeaders: {
+          Authorization: `Bearer ${this.userToken}`
+        }
+      }
+    }
+  },
+  mounted() {
+    this.windowWidth = window.innerWidth
+    this.windowHeight = window.innerHeight
+    window.addEventListener('resize', this.resize)
+
+    this.init()
+  },
+  beforeDestroy() {
+    window.removeEventListener('resize', this.resize)
+  }
+}
+</script>