From 341950bc2c2021be9963d6fa3e1e11dfac10b1a0 Mon Sep 17 00:00:00 2001
From: Ethan Niser <ethan@niser.com>
Date: Sun, 20 Oct 2024 21:53:00 -0400
Subject: [PATCH] wip

---
 src/app/api/search/route.ts | 68 ++++++++++---------------------------
 src/db/schema.ts            |  7 ++--
 2 files changed, 21 insertions(+), 54 deletions(-)

diff --git a/src/app/api/search/route.ts b/src/app/api/search/route.ts
index f14b3e6..9c83810 100644
--- a/src/app/api/search/route.ts
+++ b/src/app/api/search/route.ts
@@ -5,7 +5,7 @@ import {
   subcategories,
   subcollection,
 } from "@/db/schema";
-import { sql } from "drizzle-orm";
+import { ilike, sql } from "drizzle-orm";
 import { NextRequest } from "next/server";
 
 export async function GET(request: NextRequest) {
@@ -15,55 +15,23 @@ export async function GET(request: NextRequest) {
     return Response.json([]);
   }
 
-  let results;
-
-  if (searchTerm.length <= 2) {
-    // If the search term is short (e.g., "W"), use ILIKE for prefix matching
-    results = await db
-      .select()
-      .from(products)
-      .where(sql`${products.name} ILIKE ${searchTerm + "%"}`) // Prefix match
-      .limit(5)
-      .innerJoin(
-        subcategories,
-        sql`${products.subcategory_slug} = ${subcategories.slug}`,
-      )
-      .innerJoin(
-        subcollection,
-        sql`${subcategories.subcollection_id} = ${subcollection.id}`,
-      )
-      .innerJoin(
-        categories,
-        sql`${subcollection.category_slug} = ${categories.slug}`,
-      );
-  } else {
-    // For longer search terms, use full-text search with tsquery
-    const formattedSearchTerm = searchTerm
-      .split(" ")
-      .filter((term) => term.trim() !== "") // Filter out empty terms
-      .map((term) => `${term}:*`)
-      .join(" & ");
-
-    results = await db
-      .select()
-      .from(products)
-      .where(
-        sql`to_tsvector('english', ${products.name}) @@ to_tsquery('english', ${formattedSearchTerm})`,
-      )
-      .limit(5)
-      .innerJoin(
-        subcategories,
-        sql`${products.subcategory_slug} = ${subcategories.slug}`,
-      )
-      .innerJoin(
-        subcollection,
-        sql`${subcategories.subcollection_id} = ${subcollection.id}`,
-      )
-      .innerJoin(
-        categories,
-        sql`${subcollection.category_slug} = ${categories.slug}`,
-      );
-  }
+  const results = await db
+    .select()
+    .from(products)
+    .where(ilike(products.name, `%${searchTerm}%`))
+    .limit(5)
+    .innerJoin(
+      subcategories,
+      sql`${products.subcategory_slug} = ${subcategories.slug}`,
+    )
+    .innerJoin(
+      subcollection,
+      sql`${subcategories.subcollection_id} = ${subcollection.id}`,
+    )
+    .innerJoin(
+      categories,
+      sql`${subcollection.category_slug} = ${categories.slug}`,
+    );
 
   const searchResults: ProductSearchResult = results.map((item) => {
     const href = `/products/${item.categories.slug}/${item.subcategories.slug}/${item.products.slug}`;
diff --git a/src/db/schema.ts b/src/db/schema.ts
index 320fc67..366198a 100644
--- a/src/db/schema.ts
+++ b/src/db/schema.ts
@@ -63,10 +63,9 @@ export const products = pgTable(
     image_url: text("image_url"),
   },
   (table) => ({
-    nameSearchIndex: index("name_search_index").using(
-      "gin",
-      sql`to_tsvector('english', ${table.name})`,
-    ),
+    nameSearchIndex: index("name_search_index")
+      .using("gin", sql`${table.name}`, sql`gi`, sql`n_trgm_ops`)
+      .concurrently(),
   }),
 );