search, db integration

apps/web/src/lib/api/browse.ts

@@ -0,0 +1,94 @@
+/**
+ * Browse API — fetches plants with disease counts from the Turso DB
+ * for the browse page. Runs server-side only.
+ */
+
+import { sql, eq } from "drizzle-orm";
+import { getDb } from "@/lib/db/index";
+import { plants, diseases } from "@/lib/db/schema";
+import type { PlantCardData } from "@/components/PlantCard";
+
+export type { PlantCardData };
+
+/**
+ * Get all plants with their disease counts for the browse page.
+ */
+export async function getBrowsePlants(): Promise<PlantCardData[]> {
+  const db = getDb();
+
+  // LEFT JOIN to include plants with zero diseases
+  const rows = await db
+    .select({
+      id: plants.id,
+      commonName: plants.commonName,
+      scientificName: plants.scientificName,
+      family: plants.family,
+      category: plants.category,
+      diseaseCount: sql<number>`COUNT(${diseases.id})`,
+    })
+    .from(plants)
+    .leftJoin(diseases, eq(diseases.plantId, plants.id))
+    .groupBy(plants.id)
+    .orderBy(plants.commonName);
+
+  return rows.map((r) => ({
+    id: r.id,
+    commonName: r.commonName,
+    scientificName: r.scientificName,
+    family: r.family,
+    category: r.category,
+    diseaseCount: r.diseaseCount,
+  }));
+}
+
+/**
+ * Get a single plant with disease count (for detail page lookups).
+ */
+export async function getBrowsePlant(id: string): Promise<PlantCardData | null> {
+  const db = getDb();
+  const rows = await db
+    .select({
+      id: plants.id,
+      commonName: plants.commonName,
+      scientificName: plants.scientificName,
+      family: plants.family,
+      category: plants.category,
+      diseaseCount: sql<number>`COUNT(${diseases.id})`,
+    })
+    .from(plants)
+    .leftJoin(diseases, eq(diseases.plantId, plants.id))
+    .where(eq(plants.id, id))
+    .groupBy(plants.id)
+    .limit(1);
+
+  return rows[0] ?? null;
+}
+
+/**
+ * Get featured plants for the homepage (subset).
+ */
+const FEATURED_IDS = [
+  "tomato",
+  "basil",
+  "rose",
+  "monstera",
+  "snake-plant",
+  "pepper",
+  "apple",
+  "corn",
+  "wheat",
+  "strawberry",
+  "blueberry",
+  "lettuce",
+];
+
+export async function getFeaturedPlants(): Promise<PlantCardData[]> {
+  const all = await getBrowsePlants();
+  const featured = all.filter((p) => FEATURED_IDS.includes(p.id));
+  // If fewer than expected are found, pad with first available plants
+  if (featured.length < 6) {
+    const rest = all.filter((p) => !FEATURED_IDS.includes(p.id));
+    return [...featured, ...rest].slice(0, 12);
+  }
+  return featured.slice(0, 12);
+}