platform/apps/api/src/server.ts

import {
    DEFAULT_STANDARDS_DATA,
    LevelCalculator,
    Standards,
} from "@blade-and-brawn/calculator";

import {
    ActivityPerformanceSchema,
    PlayerSchema,
} from "@blade-and-brawn/domain"
import { cors } from "@elysiajs/cors";
import { Elysia, NotFoundError, status } from "elysia";
import {
    PrintfulClient,
    PrintfulError,
    ProductSyncer,
    WebflowClient,
    WebflowError,
    Printful,
    Webflow,
} from "@blade-and-brawn/commerce";
import zipcodesUs from "zipcodes-us";
import z from "zod";
import pino from "pino";
import { env } from "./env";
import serverTiming from "@elysia/server-timing";

const log = pino({
    level: env.LOG_LEVEL,
    transport: env.NODE_ENV != "production"
        ? { target: "pino-pretty" }
        : undefined,
});

// SERVICES
// -----------
const levelCalculator = new LevelCalculator(
    new Standards(DEFAULT_STANDARDS_DATA),
);

const printful = new PrintfulClient({
    token: env.PRINTFUL_AUTH,
    storeId: env.PRINTFUL_STORE_ID,
});

const webflow = new WebflowClient({
    siteId: env.WEBFLOW_SITE_ID,
    collectionsId: env.WEBFLOW_COLLECTION_ID,
    token: env.WEBFLOW_AUTH,
    webhookSecret: env.WEBFLOW_WEBHOOK_SECRET,
});

const productSyncer = new ProductSyncer(printful, webflow, log);

// ELYSIA
// -----------
export const app = new Elysia()
    .use(serverTiming())
    .use(
        cors({
            origin: [
                // WEBSITE
                // -----------
                // production
                /^https?:\/\/([a-z0-9-]+\.)?bladeandbrawn\.com$/i,
                // testing
                /^https?:\/\/([a-z0-9-]+\.)?bladeandbrawn\.webflow\.io$/i,

                // PORTAL
                // -----------
                // production
                /^https?:\/\/blade-and-brawn\.fly\.dev$/i,
                // development
                "http://localhost:5173",
                "http://dev.portal.bladeandbrawn.com/"
            ],
        }),
    )

    .error({
        PrintfulError,
        WebflowError,
    })

    .onError(({ code, error }) => {
        switch (code) {
            case "PrintfulError":
            case "WebflowError":
                log.error(
                    { upstreamStatus: error.status, payload: error.payload },
                    error.message,
                );
                return status(502, { error: error.message });
            case "NOT_FOUND":
                return status(404, { error: "Not found" });
            case "VALIDATION":
                return status(400, { error: error.message });
            default:
                log.error({ err: error }, "unhandled error");
        }
    })

    .onAfterResponse(({ request, status, path }) => {
        const skip: Record<string, string[]> = {
            "/products/sync/": ["GET"]
        };
        if (env.NODE_ENV === "development" && skip[path]?.includes(request.method)) return;

        log.info({
            method: request.method,
            path,
            status
        }, "request");
    })

    .get("/", () => ({ status: "ok" }))
    .get("/health", () => ({ status: "ok" }))

    // CALCULATOR

    .post("/calculate", async ({ body }) => {
        return {
            levels: levelCalculator.calculate(body.player, body.activityPerformances),
        };
    }, {
        body: z.object({
            player: PlayerSchema,
            activityPerformances: z.array(ActivityPerformanceSchema)
        }),
    })

    // COMMERCE
    // TODO: protect with api key/token
    .group("/products", (app) =>
        app
            .group("/sync", (app) =>
                app
                    // Sync status
                    .get("/", async ({ }) => ({
                        state: await productSyncer.getState(),
                        isRunning: await productSyncer.isRunning()
                    }))
                    // Full sync
                    .post("/", async ({ }) => {
                        if (!await productSyncer.sync())
                            throw status(409, "Sync already in progress");
                    })
                    // Per-product sync
                    .post("/:printfulProductId", async ({ params }) => {
                        if (!await productSyncer.sync({ printfulProductIdsFilter: [params.printfulProductId] }))
                            throw status(409, "Sync already in progress");
                    }, { params: z.object({ printfulProductId: z.coerce.number() }) }),
            )
            .get("/:printfulProductId", async ({ params }) => {
                const printfulProduct = await printful.Products.get(params.printfulProductId);
                if (!printfulProduct) throw new NotFoundError("Missing printful product");

                const webflowProductId = printfulProduct.sync_product.external_id.split("-")[0];
                if (!webflowProductId) throw new NotFoundError("Missing webflow product ID");

                const webflowProduct = await webflow.Products.get(webflowProductId);

                return { printfulProduct, webflowProduct };
            }, {
                params: z.object({ printfulProductId: z.coerce.number() })
            }),
    )

    // WEBHOOKS
    .post("/webhook/printful", async ({ body }) => {
        // https://webflow.com/integrations/printful
        const payload = body as Printful.Webhook.EventPayload;

        switch (payload.type) {
            case Printful.Webhook.Event.ProductUpdated: {
                const printfulProduct = payload.data.sync_product;
                log.info({ productId: printfulProduct.id }, "printful webhook: product updated");
                await productSyncer.sync({ printfulProductIdsFilter: [printfulProduct.id] });
                break;
            }
            case Printful.Webhook.Event.ProductDeleted: {
                log.info({ externalId: payload.data.sync_product.external_id }, "printful webhook: product deleted");
                await webflow.Products.remove(payload.data.sync_product.external_id);
                break;
            }
            case Printful.Webhook.Event.PackageShipped: {
                const webflowOrderId = payload.data.order.external_id;
                const shipInfo = payload.data.shipment;
                log.info({ webflowOrderId, carrier: shipInfo.carrier, tracking: shipInfo.tracking_number }, "printful webhook: package shipped");

                await webflow.Orders.update(webflowOrderId, {
                    shippingTrackingURL: shipInfo.tracking_url,
                    shippingTracking: shipInfo.tracking_number,
                    shippingProvider: shipInfo.carrier,
                });
                await webflow.Orders.fulfill(webflowOrderId, {
                    sendOrderFulfilledEmail: true,
                });
                break;
            }
            default:
                log.warn({ type: (payload as any).type }, "printful webhook: unhandled event type");
        }
    })
    .post("/webhook/webflow", async ({ request, body }) => {
        if (!webflow.Util.verifyWebflowSignature(request, body))
            throw status(400, "Invalid signature");

        const payload = body as Webflow.Webhook.EventPayload;

        switch (payload.triggerType) {
            case Webflow.Webhook.Event.OrderCreated: {
                const webflowOrder = payload.payload;
                log.info({ orderId: webflowOrder.orderId }, "webflow webhook: order created");

                await printful.Orders.create({
                    external_id: webflowOrder.orderId,
                    // TODO: derive from webflow
                    shipping: "STANDARD",
                    recipient: {
                        name: webflowOrder.shippingAddress.addressee,
                        address1: webflowOrder.shippingAddress.line1,
                        address2: webflowOrder.shippingAddress.line2,
                        city: webflowOrder.shippingAddress.city,
                        state_code: zipcodesUs.find(
                            webflowOrder.shippingAddress.postalCode.split("-")[0] ?? "",
                        ).stateCode,
                        country_code: webflowOrder.shippingAddress.country,
                        zip: webflowOrder.shippingAddress.postalCode,
                    },
                    items: webflowOrder.purchasedItems.map((webflowOrderSku) => ({
                        external_variant_id: webflowOrderSku.variantId,
                        quantity: webflowOrderSku.count,
                    })),
                });

                break;
            }
            default:
                log.warn({ triggerType: (payload as any).triggerType }, "webflow webhook: unhandled event type");
        }
    });

app.listen(3000, () => log.info({ port: 3000 }, "server started"));

export type API = typeof app