From 05dfe38f193e37313ebd1040ad17024a3c773a90 Mon Sep 17 00:00:00 2001
From: Jambaldorj Ochirpurev <dorj222@gmail.com>
Date: Thu, 1 Dec 2022 06:31:16 +0100
Subject: [PATCH] feat: add the fuzzy search on Categories, Tags, and Tools
 pages (#1867)

---
 .../Domain/Recipe/RecipeOrganizerPage.vue     | 65 ++++++++++++++++++-
 1 file changed, 62 insertions(+), 3 deletions(-)

diff --git a/frontend/components/Domain/Recipe/RecipeOrganizerPage.vue b/frontend/components/Domain/Recipe/RecipeOrganizerPage.vue
index 9779cacfb1d2..20e1e167690a 100644
--- a/frontend/components/Domain/Recipe/RecipeOrganizerPage.vue
+++ b/frontend/components/Domain/Recipe/RecipeOrganizerPage.vue
@@ -12,6 +12,22 @@
     >
       <v-card-text> {{ $t("general.confirm-delete-generic-with-name", { name: deleteTarget.name }) }} </v-card-text>
     </BaseDialog>
+
+    <v-row dense>
+        <v-col>
+          <v-text-field
+            v-model="searchString"
+            outlined
+            autofocus
+            color="primary accent-3"
+            :placeholder="$t('search.search-placeholder')"
+            :prepend-inner-icon="$globals.icons.search"
+            clearable
+          >
+          </v-text-field>
+        </v-col>
+      </v-row>
+
     <v-app-bar color="transparent" flat class="mt-n1 rounded align-center">
       <v-icon large left>
         {{ icon }}
@@ -24,8 +40,8 @@
       <v-spacer></v-spacer>
       <BaseButton create @click="dialog = true" />
     </v-app-bar>
-    <section v-for="(itms, key, idx) in itemsSorted" :key="'header' + idx" :class="idx === 1 ? null : 'my-4'">
-      <BaseCardSectionTitle :title="key"> </BaseCardSectionTitle>
+    <section v-for="(itms, key, idx) in showItems" :key="'header' + idx" :class="idx === 1 ? null : 'my-4'">
+      <BaseCardSectionTitle v-if="key.length === 1" :title="key"> </BaseCardSectionTitle>
       <v-row>
         <v-col v-for="(item, index) in itms" :key="'cat' + index" cols="12" :sm="12" :md="6" :lg="4" :xl="3">
           <v-card class="left-border" hover :to="`/recipes/${itemType}/${item.slug}`">
@@ -47,10 +63,12 @@
 </template>
 
 <script lang="ts">
-import { defineComponent, computed, ref } from "@nuxtjs/composition-api";
+import Fuse from "fuse.js";
+import { defineComponent, computed, ref, reactive } from "@nuxtjs/composition-api";
 import { useContextPresets } from "~/composables/use-context-presents";
 import RecipeOrganizerDialog from "~/components/Domain/Recipe/RecipeOrganizerDialog.vue";
 import { RecipeOrganizer } from "~/lib/api/types/non-generated";
+import { useRouteQuery } from "~/composables/use-router";
 
 interface GenericItem {
   id?: string;
@@ -77,6 +95,20 @@ export default defineComponent({
     },
   },
   setup(props, { emit }) {
+    const state = reactive({
+      // Search Options
+      options: {
+        ignoreLocation: true,
+        shouldSort: true,
+        threshold: 0.6,
+        location: 0,
+        distance: 100,
+        findAllMatches: true,
+        maxPatternLength: 32,
+        minMatchCharLength: 1,
+        keys: ["name"],
+      },
+    });
     // =================================================================
     // Sorted Items
     const itemsSorted = computed(() => {
@@ -119,6 +151,31 @@ export default defineComponent({
 
     const dialog = ref(false);
 
+    // ================================================================
+    // Search Functions
+
+    const searchString = useRouteQuery("q", "");
+
+    const fuse = computed(() => {
+      return new Fuse(props.items, state.options);
+    });
+
+    const fuzzyItems = computed(() => {
+      if (searchString.value.trim() === "") {
+        return props.items;
+      }
+      const result = fuse.value.search(searchString.value.trim() as string);
+      return result.map((x) => x.item);
+    });
+
+    const showItems = computed(() => {
+      if (searchString.value.trim() === "") {
+        return itemsSorted.value;
+      } else {
+        return fuzzyItems;
+      }
+    });
+
     return {
       dialog,
       confirmDelete,
@@ -127,6 +184,8 @@ export default defineComponent({
       deleteTarget,
       presets,
       itemsSorted,
+      searchString,
+      showItems,
     };
   },
   // Needed for useMeta