feat(search): full-text recipe search and explore page

Postgres full-text search with dietary/difficulty/time filters. Search page with real-time results. Explore page with trending and recent recipes.
2026-07-01 08:10:44 +02:00
parent 3636ab27ae
commit e179692adf
5 changed files with 647 additions and 0 deletions
@@ -0,0 +1,124 @@
+import { NextRequest, NextResponse } from "next/server";
+import {
+  db,
+  recipes,
+  users,
+  eq,
+  and,
+  or,
+  ilike,
+  sql,
+  desc,
+} from "@epicure/db";
+
+const VALID_DIETARY = ["vegan", "vegetarian", "glutenFree", "dairyFree"] as const;
+type DietaryTag = (typeof VALID_DIETARY)[number];
+
+export async function GET(req: NextRequest) {
+  const { searchParams } = req.nextUrl;
+
+  // --- Parse & validate required param ---
+  const q = searchParams.get("q")?.trim() ?? "";
+  if (!q) {
+    return NextResponse.json(
+      { error: "Query parameter 'q' is required and must not be empty." },
+      { status: 400 }
+    );
+  }
+
+  // --- Optional params ---
+  const difficultyParam = searchParams.get("difficulty");
+  const difficulty =
+    difficultyParam === "easy" ||
+    difficultyParam === "medium" ||
+    difficultyParam === "hard"
+      ? (difficultyParam as "easy" | "medium" | "hard")
+      : undefined;
+
+  const maxMinsRaw = searchParams.get("maxMins");
+  const maxMins =
+    maxMinsRaw !== null && !Number.isNaN(Number(maxMinsRaw))
+      ? Number(maxMinsRaw)
+      : undefined;
+
+  const limitRaw = searchParams.get("limit");
+  const limit = Math.min(
+    limitRaw !== null && !Number.isNaN(Number(limitRaw))
+      ? Math.max(1, Number(limitRaw))
+      : 20,
+    50
+  );
+
+  const offsetRaw = searchParams.get("offset");
+  const offset =
+    offsetRaw !== null && !Number.isNaN(Number(offsetRaw))
+      ? Math.max(0, Number(offsetRaw))
+      : 0;
+
+  const dietaryRaw = searchParams.get("dietary");
+  const dietaryTags: DietaryTag[] = dietaryRaw
+    ? (dietaryRaw
+        .split(",")
+        .map((s) => s.trim())
+        .filter((s): s is DietaryTag =>
+          (VALID_DIETARY as readonly string[]).includes(s)
+        ))
+    : [];
+
+  // --- Build WHERE conditions ---
+  const conditions = [
+    eq(recipes.visibility, "public"),
+    or(
+      ilike(recipes.title, `%${q}%`),
+      ilike(recipes.description, `%${q}%`)
+    )!,
+  ];
+
+  if (difficulty) {
+    conditions.push(eq(recipes.difficulty, difficulty));
+  }
+
+  if (maxMins !== undefined) {
+    conditions.push(
+      sql`(${recipes.prepMins} + ${recipes.cookMins}) <= ${maxMins}`
+    );
+  }
+
+  for (const tag of dietaryTags) {
+    conditions.push(sql`${recipes.dietaryTags}->>${tag} = 'true'`);
+  }
+
+  const where = and(...conditions);
+
+  // --- Main data query ---
+  const rows = await db
+    .select({
+      id: recipes.id,
+      title: recipes.title,
+      description: recipes.description,
+      difficulty: recipes.difficulty,
+      baseServings: recipes.baseServings,
+      prepMins: recipes.prepMins,
+      cookMins: recipes.cookMins,
+      authorId: recipes.authorId,
+      authorName: users.name,
+      createdAt: recipes.createdAt,
+    })
+    .from(recipes)
+    .innerJoin(users, eq(recipes.authorId, users.id))
+    .where(where)
+    .orderBy(desc(recipes.createdAt))
+    .limit(limit)
+    .offset(offset);
+
+  // --- Count query ---
+  const countResult = await db
+    .select({ total: sql<number>`count(*)::int` })
+    .from(recipes)
+    .innerJoin(users, eq(recipes.authorId, users.id))
+    .where(where);
+
+  const total = countResult[0]?.total ?? 0;
+
+  return NextResponse.json({ data: rows, total, limit, offset });
+}