1 files changed, 84 insertions, 0 deletions
diff --git a/src/services/graphql/fetchers/topics/fetch-topics-list.ts b/src/services/graphql/fetchers/topics/fetch-topics-list.ts
new file mode 100644
index 0000000..1bc2e38
--- /dev/null
+++ b/src/services/graphql/fetchers/topics/fetch-topics-list.ts
@@ -0,0 +1,84 @@
+import type {
+  GraphQLConnection,
+  GraphQLEdgesInput,
+  GraphQLTaxonomyOrderBy,
+  GraphQLTaxonomyWhere,
+  Nullable,
+  WPTopicPreview,
+} from '../../../../types';
+import { fetchGraphQL, getGraphQLUrl } from '../../../../utils/helpers';
+
+type TopicsListResponse = {
+  topics: Nullable<GraphQLConnection<WPTopicPreview>>;
+};
+
+const topicsListQuery = `query TopicsList($after: String, $before: String, $first: Int, $last: Int, $orderby: [PostObjectsConnectionOrderbyInput], $search: String, $title: String) {
+  topics(
+    after: $after
+    before: $before
+    first: $first
+    last: $last
+    where: {orderby: $orderby, search: $search, title: $title}
+  ) {
+    edges {
+      cursor
+      node {
+        contentParts {
+          beforeMore
+        }
+        databaseId
+        featuredImage {
+          node {
+            altText
+            mediaDetails {
+              height
+              width
+            }
+            slug
+            title
+          }
+        }
+        slug
+        title
+      }
+    }
+    pageInfo {
+      endCursor
+      hasNextPage
+      hasPreviousPage
+      startCursor
+      total
+    }
+  }
+}`;
+
+export type FetchTopicsListInput = GraphQLEdgesInput & {
+  orderBy?: GraphQLTaxonomyOrderBy;
+  where?: GraphQLTaxonomyWhere;
+};
+
+/**
+ * Retrieve a paginated list of WordPress topics.
+ *
+ * @param {FetchTopicsListInput} input - The input to retrieve topics.
+ * @returns {Promise<GraphQLConnection<WPTopicPreview>>} The paginated topics.
+ */
+export const fetchTopicsList = async ({
+  orderBy,
+  where,
+  ...vars
+}: FetchTopicsListInput): Promise<GraphQLConnection<WPTopicPreview>> => {
+  const response = await fetchGraphQL<TopicsListResponse>({
+    query: topicsListQuery,
+    url: getGraphQLUrl(),
+    variables: {
+      ...vars,
+      ...where,
+      orderBy: orderBy ? [orderBy] : undefined,
+    },
+  });
+
+  if (!response.topics) return Promise.reject(new Error('No topics found.'));
+
+  return response.topics;
+};