Code Examples

// User input: "I want a marketplace where artists can sell digital art"
// SKYCOT archetype detection output:
{
  "archetype": "marketplace",
  "confidence": 0.92,
  "tier": 1,
  "suggestedFeatures": [
    "product-listings",
    "seller-profiles",
    "search-filtering",
    "reviews-ratings",
    "payment-processing"
  ],
  "questionsToAsk": 4
}

1import { cn } from "@/lib/utils";
2
3interface ProductCardProps {
4  title: string;
5  price: number;
6  imageUrl: string;
7  sellerName: string;
8  rating: number;
9  className?: string;
10}
11
12export function ProductCard({
13  title,
14  price,
15  imageUrl,
16  sellerName,
17  rating,
18  className,
19}: ProductCardProps) {
20  return (
21    <div
22      className={cn(
23        "group overflow-hidden rounded-xl border border-zinc-200",
24        "transition-shadow hover:shadow-lg dark:border-zinc-700",
25        className
26      )}
27    >
28      <div className="aspect-square overflow-hidden bg-zinc-100">
29        <img
30          src={imageUrl}
31          alt={title}
32          className="h-full w-full object-cover transition-transform group-hover:scale-105"
33        />
34      </div>
35      <div className="p-4">
36        <h3 className="font-semibold text-zinc-900 dark:text-white">
37          {title}
38        </h3>
39        <p className="mt-1 text-sm text-zinc-500">by {sellerName}</p>
40        <div className="mt-3 flex items-center justify-between">
41          <span className="text-lg font-bold text-zinc-900 dark:text-white">
42            ${price.toFixed(2)}
43          </span>
44          <span className="text-sm text-zinc-500">
45            {"\u2605"} {rating.toFixed(1)}
46          </span>
47        </div>
48      </div>
49    </div>
50  );
51}

1import { z } from "zod";
2import { eq, desc, and, ilike } from "drizzle-orm";
3import { protectedProcedure } from "@/server/trpc/trpc";
4import { db } from "@/server/db";
5import { products } from "@/server/db/schema/products";
6import { TRPCError } from "@trpc/server";
7
8export const listProducts = protectedProcedure
9  .input(
10    z.object({
11      page: z.number().int().min(1).default(1),
12      limit: z.number().int().min(1).max(50).default(20),
13      search: z.string().optional(),
14      sellerId: z.string().uuid().optional(),
15    })
16  )
17  .query(async ({ input }) => {
18    try {
19      const offset = (input.page - 1) * input.limit;
20      const conditions = [];
21
22      if (input.search) {
23        conditions.push(ilike(products.title, `%${input.search}%`));
24      }
25      if (input.sellerId) {
26        conditions.push(eq(products.sellerId, input.sellerId));
27      }
28
29      const items = await db
30        .select()
31        .from(products)
32        .where(conditions.length > 0 ? and(...conditions) : undefined)
33        .orderBy(desc(products.createdAt))
34        .limit(input.limit)
35        .offset(offset);
36
37      return { items, page: input.page, limit: input.limit };
38    } catch {
39      throw new TRPCError({
40        code: "INTERNAL_SERVER_ERROR",
41        message: "Failed to fetch products",
42      });
43    }
44  });

1import {
2  pgTable,
3  uuid,
4  text,
5  numeric,
6  integer,
7  timestamp,
8  index,
9} from "drizzle-orm/pg-core";
10import { users } from "./users";
11
12export const products = pgTable(
13  "products",
14  {
15    id: uuid("id").defaultRandom().primaryKey(),
16    sellerId: uuid("seller_id")
17      .notNull()
18      .references(() => users.id, { onDelete: "cascade" }),
19    title: text("title").notNull(),
20    description: text("description").notNull(),
21    price: numeric("price", { precision: 10, scale: 2 }).notNull(),
22    imageUrl: text("image_url"),
23    category: text("category").notNull(),
24    rating: numeric("rating", { precision: 3, scale: 2 }).default("0"),
25    reviewCount: integer("review_count").default(0),
26    status: text("status", { enum: ["active", "draft", "sold"] })
27      .notNull()
28      .default("draft"),
29    createdAt: timestamp("created_at").defaultNow().notNull(),
30    updatedAt: timestamp("updated_at").defaultNow().notNull(),
31  },
32  (table) => [
33    index("products_seller_idx").on(table.sellerId),
34    index("products_category_idx").on(table.category),
35    index("products_status_idx").on(table.status),
36  ]
37);

1// This test was generated BEFORE the implementation code.
2// The code agent implements until these tests pass.
3
4import { describe, it, expect, vi, beforeEach } from "vitest";
5
6// Mock the database
7vi.mock("@/server/db", () => ({
8  db: {
9    select: vi.fn().mockReturnThis(),
10    from: vi.fn().mockReturnThis(),
11    where: vi.fn().mockReturnThis(),
12    orderBy: vi.fn().mockReturnThis(),
13    limit: vi.fn().mockReturnThis(),
14    offset: vi.fn().mockResolvedValue([]),
15  },
16}));
17
18describe("listProducts", () => {
19  beforeEach(() => {
20    vi.clearAllMocks();
21  });
22
23  it("returns paginated products with default params", async () => {
24    const result = await caller.listProducts({
25      page: 1,
26      limit: 20,
27    });
28    expect(result).toHaveProperty("items");
29    expect(result).toHaveProperty("page", 1);
30    expect(result).toHaveProperty("limit", 20);
31    expect(Array.isArray(result.items)).toBe(true);
32  });
33
34  it("filters products by search term", async () => {
35    const result = await caller.listProducts({
36      page: 1,
37      limit: 20,
38      search: "digital art",
39    });
40    expect(result.items).toBeDefined();
41  });
42
43  it("filters products by seller ID", async () => {
44    const sellerId = "550e8400-e29b-41d4-a716-446655440000";
45    const result = await caller.listProducts({
46      page: 1,
47      limit: 20,
48      sellerId,
49    });
50    expect(result.items).toBeDefined();
51  });
52
53  it("rejects invalid page numbers", async () => {
54    await expect(
55      caller.listProducts({ page: 0, limit: 20 })
56    ).rejects.toThrow();
57  });
58
59  it("rejects limit above maximum", async () => {
60    await expect(
61      caller.listProducts({ page: 1, limit: 100 })
62    ).rejects.toThrow();
63  });
64});