Side rail, book group cards, fix dropdown select

client/components/cards/GroupCover.vue

@@ -0,0 +1,139 @@
+<template>
+  <div ref="wrapper" :style="{ height: height + 'px', width: width + 'px' }" class="relative">
+    <div v-if="noValidCovers" class="absolute top-0 left-0 w-full h-full flex items-center justify-center box-shadow-book">
+      <p :style="{ fontSize: sizeMultiplier + 'rem' }">{{ name }}</p>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  props: {
+    name: String,
+    bookItems: {
+      type: Array,
+      default: () => []
+    },
+    width: Number,
+    height: Number
+  },
+  data() {
+    return {
+      noValidCovers: false,
+      coverDiv: null
+    }
+  },
+  watch: {
+    bookItems: {
+      immediate: true,
+      handler(newVal) {
+        if (newVal) {
+          // ensure wrapper is initialized
+          this.$nextTick(this.init)
+        }
+      }
+    }
+  },
+  computed: {
+    sizeMultiplier() {
+      return this.width / 192
+    }
+  },
+  methods: {
+    getCoverUrl(book) {
+      return this.$store.getters['audiobooks/getBookCoverSrc'](book, '')
+    },
+    async buildCoverImg(src, bgCoverWidth, offsetLeft, forceCoverBg = false) {
+      var showCoverBg =
+        forceCoverBg ||
+        (await new Promise((resolve) => {
+          var image = new Image()
+
+          image.onload = () => {
+            var { naturalWidth, naturalHeight } = image
+            var aspectRatio = naturalHeight / naturalWidth
+            var arDiff = Math.abs(aspectRatio - 1.6)
+
+            // If image aspect ratio is <= 1.45 or >= 1.75 then use cover bg, otherwise stretch to fit
+            if (arDiff > 0.15) {
+              resolve(true)
+            } else {
+              resolve(false)
+            }
+          }
+          image.onerror = (err) => {
+            console.error(err)
+            resolve(false)
+          }
+          image.src = src
+        }))
+
+      var imgdiv = document.createElement('div')
+      imgdiv.style.height = this.height + 'px'
+      imgdiv.style.width = bgCoverWidth + 'px'
+      imgdiv.style.left = offsetLeft + 'px'
+      imgdiv.className = 'absolute top-0 box-shadow-book'
+      imgdiv.style.boxShadow = '-4px 0px 4px #11111166'
+      // imgdiv.style.transform = 'skew(0deg, 15deg)'
+
+      if (showCoverBg) {
+        var coverbgwrapper = document.createElement('div')
+        coverbgwrapper.className = 'absolute top-0 left-0 w-full h-full bg-primary'
+
+        var coverbg = document.createElement('div')
+        coverbg.className = 'w-full h-full'
+        coverbg.style.backgroundImage = `url("${src}")`
+        coverbg.style.backgroundSize = 'cover'
+        coverbg.style.backgroundPosition = 'center'
+        coverbg.style.opacity = 0.25
+        coverbg.style.filter = 'blur(1px)'
+
+        coverbgwrapper.appendChild(coverbg)
+        imgdiv.appendChild(coverbgwrapper)
+      }
+
+      var img = document.createElement('img')
+      img.src = src
+      img.className = 'absolute top-0 left-0 w-full h-full'
+      img.style.objectFit = showCoverBg ? 'contain' : 'cover'
+
+      imgdiv.appendChild(img)
+      return imgdiv
+    },
+    async init() {
+      if (this.coverDiv) {
+        this.coverDiv.remove()
+        this.coverDiv = null
+      }
+      var validCovers = this.bookItems.map((bookItem) => this.getCoverUrl(bookItem.book)).filter((b) => b !== '')
+      if (!validCovers.length) {
+        this.noValidCovers = true
+        return
+      }
+      this.noValidCovers = false
+
+      var coverWidth = this.width
+      var widthPer = this.width
+      if (validCovers.length > 1) {
+        coverWidth = this.height / 1.6
+        widthPer = (this.width - coverWidth) / (validCovers.length - 1)
+      }
+
+      var outerdiv = document.createElement('div')
+      outerdiv.className = 'w-full h-full relative'
+
+      for (let i = 0; i < validCovers.length; i++) {
+        var offsetLeft = widthPer * i
+        var img = await this.buildCoverImg(validCovers[i], coverWidth, offsetLeft, validCovers.length === 1)
+        outerdiv.appendChild(img)
+      }
+
+      if (this.$refs.wrapper) {
+        this.coverDiv = outerdiv
+        this.$refs.wrapper.appendChild(outerdiv)
+      }
+    }
+  },
+  mounted() {}
+}
+</script>