initial boilerplate

internal/api/router.go

@@ -0,0 +1,51 @@
+// Package api wires together the HTTP router and all handlers.
+package api
+
+import (
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
+	"github.com/go-chi/cors"
+	"github.com/jackc/pgx/v5/pgxpool"
+	"github.com/yourname/deflated/internal/db"
+)
+
+// NewRouter builds the full Chi router with middleware and all routes.
+// This is the only place routes are registered — easy to see the full API shape.
+func NewRouter(pool *pgxpool.Pool) http.Handler {
+	queries := db.NewQueries(pool)
+	h := &handlers{q: queries}
+
+	r := chi.NewRouter()
+
+	// ── Middleware stack ────────────────────────────────────────────────────
+	r.Use(middleware.RequestID)   // adds X-Request-Id header
+	r.Use(middleware.RealIP)      // reads X-Forwarded-For
+	r.Use(middleware.Logger)      // logs every request: method, path, status, latency
+	r.Use(middleware.Recoverer)   // catches panics, returns 500 instead of crashing
+
+	r.Use(cors.Handler(cors.Options{
+		AllowedOrigins: []string{"http://localhost:3000", "https://deflated.fyi"},
+		AllowedMethods: []string{"GET", "POST", "OPTIONS"},
+		AllowedHeaders: []string{"Accept", "Content-Type"},
+	}))
+
+	// ── Routes ──────────────────────────────────────────────────────────────
+	r.Get("/health", h.health)
+
+	r.Route("/api", func(r chi.Router) {
+		// Receipt submission
+		r.Post("/receipts", h.submitReceipt)
+		r.Get("/receipts/{id}", h.getReceipt)
+
+		// Price data for the dashboard
+		r.Get("/items/{name}/history", h.getPriceHistory) // ?months=24
+		r.Get("/items/movers", h.getTopMovers)            // ?limit=10
+
+		// The torn dollar bill — purchasing power over time
+		r.Get("/inflation/summary", h.getInflationSummary) // ?from=2009-01&to=2025-01
+	})
+
+	return r
+}