Fix search functionality: search content and exclude shared posts

- Fix search not returning results by querying content_html instead of content
- Filter out shared posts from search results to show only original posts and replies
- Use isNull() for proper NULL value comparison in Drizzle ORM

Amp-Thread-ID: https://ampcode.com/threads/T-a8878c55-9f2e-4967-a456-399ff78ba98a
Co-authored-by: Amp <amp@ampcode.com>

Author: dahlia

CHANGES.md

@@ -6,6 +6,12 @@ Version 0.6.16
 
 To be released.
 
+ -  Fixed search functionality not returning any results when searching for
+    post content.
+
+ -  Fixed search results including shared posts (reposts/reblogs). Search now
+    shows only original posts and replies, excluding shares.
+
 
 Version 0.6.15
 --------------

src/api/v2/index.ts

@@ -7,7 +7,17 @@ import {
 } from "@fedify/fedify";
 import { zValidator } from "@hono/zod-validator";
 import { getLogger } from "@logtape/logtape";
-import { and, desc, eq, ilike, inArray, lte, or, sql } from "drizzle-orm";
+import {
+  and,
+  desc,
+  eq,
+  ilike,
+  inArray,
+  isNull,
+  lte,
+  or,
+  sql,
+} from "drizzle-orm";
 import { Hono } from "hono";
 import { z } from "zod";
 import { db } from "../../db";
@@ -79,6 +89,7 @@ app.get(
         ? await db.query.posts.findMany({
             where: and(
               or(eq(posts.iri, q), eq(posts.url, q)),
+              isNull(posts.sharingId),
               lte(posts.published, sql`NOW() + INTERVAL '5 minutes'`),
             ),
             with: getPostRelations(owner.id),
@@ -135,7 +146,10 @@ app.get(
       }
     }
     if (query.type == null || query.type === "statuses") {
-      let filter = ilike(posts.content, `%${q}%`);
+      let filter = and(
+        ilike(posts.contentHtml, `%${q}%`),
+        isNull(posts.sharingId),
+      )!;
       if (query.account_id != null) {
         filter = and(filter, eq(posts.accountId, query.account_id))!;
       }