Update:Add libraries playlists API endpoint, add lazy playlists card

client/components/cards/LazyPlaylistCard.vue

@@ -0,0 +1,115 @@
+<template>
+  <div ref="card" :id="`playlist-card-${index}`" :style="{ width: width + 'px', height: height + 'px' }" class="absolute top-0 left-0 rounded-sm z-30 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
+    <div class="absolute top-0 left-0 w-full box-shadow-book shadow-height" />
+    <div class="w-full h-full bg-primary relative rounded overflow-hidden">
+      <covers-playlist-cover ref="cover" :items="items" :width="width" :height="height" :book-cover-aspect-ratio="bookCoverAspectRatio" />
+    </div>
+    <div v-show="isHovering && userCanUpdate" class="w-full h-full absolute top-0 left-0 z-10 bg-black bg-opacity-40 pointer-events-none">
+      <div class="absolute pointer-events-auto" :style="{ top: 0.5 * sizeMultiplier + 'rem', right: 0.5 * sizeMultiplier + 'rem' }" @click.stop.prevent="clickEdit">
+        <span class="material-icons text-xl text-white text-opacity-75 hover:text-opacity-100">edit</span>
+      </div>
+    </div>
+    <div v-if="!isAlternativeBookshelfView" class="categoryPlacard absolute z-30 left-0 right-0 mx-auto -bottom-6 h-6 rounded-md font-book text-center" :style="{ width: Math.min(160, width) + 'px' }">
+      <div class="w-full h-full shinyBlack flex items-center justify-center rounded-sm border" :style="{ padding: `0rem ${0.5 * sizeMultiplier}rem` }">
+        <p class="truncate" :style="{ fontSize: labelFontSize + 'rem' }">{{ title }}</p>
+      </div>
+    </div>
+    <div v-else class="absolute z-30 left-0 right-0 mx-auto -bottom-8 h-8 py-1 rounded-md text-center">
+      <p class="truncate" :style="{ fontSize: labelFontSize + 'rem' }">{{ title }}</p>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  props: {
+    index: Number,
+    width: Number,
+    height: Number,
+    bookCoverAspectRatio: Number,
+    bookshelfView: {
+      type: Number,
+      default: 0
+    },
+    playlistMount: {
+      type: Object,
+      default: () => null
+    }
+  },
+  data() {
+    return {
+      playlist: null,
+      isSelectionMode: false,
+      selected: false,
+      isHovering: false
+    }
+  },
+  computed: {
+    labelFontSize() {
+      if (this.width < 160) return 0.75
+      return 0.875
+    },
+    sizeMultiplier() {
+      if (this.bookCoverAspectRatio === 1) return this.width / (120 * 1.6 * 2)
+      return this.width / 240
+    },
+    title() {
+      return this.playlist ? this.playlist.name : ''
+    },
+    items() {
+      return this.playlist ? this.playlist.items || [] : []
+    },
+    store() {
+      return this.$store || this.$nuxt.$store
+    },
+    currentLibraryId() {
+      return this.store.state.libraries.currentLibraryId
+    },
+    isAlternativeBookshelfView() {
+      const constants = this.$constants || this.$nuxt.$constants
+      return this.bookshelfView == constants.BookshelfView.DETAIL
+    },
+    userCanUpdate() {
+      return this.store.getters['user/getUserCanUpdate']
+    }
+  },
+  methods: {
+    setEntity(playlist) {
+      this.playlist = playlist
+    },
+    setSelectionMode(val) {
+      this.isSelectionMode = val
+    },
+    mouseover() {
+      this.isHovering = true
+    },
+    mouseleave() {
+      this.isHovering = false
+    },
+    clickCard() {
+      if (!this.playlist) return
+      var router = this.$router || this.$nuxt.$router
+      router.push(`/playlist/${this.playlist.id}`)
+    },
+    clickEdit() {
+      this.$emit('edit', this.playlist)
+    },
+    destroy() {
+      // destroy the vue listeners, etc
+      this.$destroy()
+
+      // remove the element from the DOM
+      if (this.$el && this.$el.parentNode) {
+        this.$el.parentNode.removeChild(this.$el)
+      } else if (this.$el && this.$el.remove) {
+        this.$el.remove()
+      }
+    }
+  },
+  mounted() {
+    if (this.playlistMount) {
+      this.setEntity(this.playlistMount)
+    }
+  }
+}
+</script>