Finish lazy bookshelf,Fix:Async sql db,Fix:Load user progress

pages/bookshelf/collections.vue

@@ -1,52 +1,14 @@
 <template>
   <bookshelf-lazy-bookshelf page="collections" />
-  <!-- <div class="w-full h-full">
-    <template v-for="(shelf, index) in shelves">
-      <bookshelf-group-shelf :key="shelf.id" group-type="collection" :groups="shelf.groups" :style="{ zIndex: shelves.length - index }" />
-    </template>
-  </div> -->
 </template>
 
 <script>
 export default {
   data() {
-    return {
-      groupsPerRow: 2
-    }
+    return {}
   },
   watch: {},
-  computed: {
-    collections() {
-      return this.$store.state.user.collections || []
-    },
-    shelves() {
-      var shelves = []
-      var shelf = {
-        id: 0,
-        groups: []
-      }
-      for (let i = 0; i < this.collections.length; i++) {
-        var shelfNum = Math.floor((i + 1) / this.groupsPerRow)
-        shelf.id = shelfNum
-        shelf.groups.push(this.collections[i])
-
-        if ((i + 1) % this.groupsPerRow === 0) {
-          shelves.push(shelf)
-          shelf = {
-            id: 0,
-            groups: []
-          }
-        }
-      }
-      if (shelf.groups.length) {
-        shelves.push(shelf)
-      }
-      return shelves
-    }
-  },
-  methods: {},
-  mounted() {
-    this.$store.dispatch('user/loadUserCollections')
-  }
+  computed: {},
+  methods: {}
 }
 </script>