feat: Add search functionality for public portal (#5683)

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

app/javascript/portal/components/PublicArticleSearch.vue

@@ -0,0 +1,129 @@
+<template>
+  <div
+    v-on-clickaway="closeSearch"
+    class="mx-auto max-w-md w-full relative my-4"
+  >
+    <public-search-input
+      v-model="searchTerm"
+      :search-placeholder="searchTranslations.searchPlaceholder"
+      @focus="openSearch"
+    />
+    <div
+      v-if="shouldShowSearchBox"
+      class="absolute show-search-box w-full"
+      @mouseover="openSearch"
+    >
+      <search-suggestions
+        :items="searchResults"
+        :is-loading="isLoading"
+        :empty-placeholder="searchTranslations.emptyPlaceholder"
+        :results-title="searchTranslations.resultsTitle"
+        :loading-placeholder="searchTranslations.loadingPlaceholder"
+      />
+    </div>
+  </div>
+</template>
+
+<script>
+import { mixin as clickaway } from 'vue-clickaway';
+
+import SearchSuggestions from './SearchSuggestions';
+import PublicSearchInput from './PublicSearchInput';
+
+import ArticlesAPI from '../api/article';
+
+export default {
+  components: {
+    PublicSearchInput,
+    SearchSuggestions,
+  },
+  mixins: [clickaway],
+  props: {
+    value: {
+      type: [String, Number],
+      default: '',
+    },
+  },
+  data() {
+    return {
+      searchTerm: '',
+      isLoading: false,
+      showSearchBox: false,
+      searchResults: [],
+    };
+  },
+
+  computed: {
+    portalSlug() {
+      return window.portalConfig.portalSlug;
+    },
+    localeCode() {
+      return window.portalConfig.localeCode;
+    },
+    shouldShowSearchBox() {
+      return this.searchTerm !== '' && this.showSearchBox;
+    },
+    searchTranslations() {
+      const { searchTranslations = {} } = window.portalConfig;
+      return searchTranslations;
+    },
+  },
+
+  watch: {
+    searchTerm() {
+      if (this.typingTimer) {
+        clearTimeout(this.typingTimer);
+      }
+
+      this.openSearch();
+      this.isLoading = true;
+      this.typingTimer = setTimeout(() => {
+        this.fetchArticlesByQuery();
+      }, 1000);
+    },
+    currentPage() {
+      this.clearSearchTerm();
+    },
+  },
+
+  methods: {
+    onChange(e) {
+      this.$emit('input', e.target.value);
+    },
+    onBlur(e) {
+      this.$emit('blur', e.target.value);
+    },
+    openSearch() {
+      this.showSearchBox = true;
+    },
+    closeSearch() {
+      this.showSearchBox = false;
+    },
+    clearSearchTerm() {
+      this.searchTerm = '';
+    },
+    async fetchArticlesByQuery() {
+      try {
+        this.isLoading = true;
+        this.searchResults = [];
+        const { data } = await ArticlesAPI.searchArticles(
+          this.portalSlug,
+          this.localeCode,
+          this.searchTerm
+        );
+        this.searchResults = data.payload;
+        this.isLoading = true;
+      } catch (error) {
+        // Show something wrong message
+      } finally {
+        this.isLoading = false;
+      }
+    },
+  },
+};
+</script>
+<style lang="scss" scoped>
+.show-search-box {
+  top: 4rem;
+}
+</style>