Refactored the application structure to better separate concerns between files and packages

internal/adapters/inbound/httpapi/query_bind.go

@@ -0,0 +1,36 @@
+// query_bind.go binds endpoint query parameters into typed request config.
+// Layer: adapters/inbound/httpapi request binding.
+package httpapi
+
+import (
+	"net/http"
+	"strings"
+
+	"gitea.maximumdirect.net/ejr/feedapi/bind"
+	"gitea.maximumdirect.net/ejr/weatherapi/internal/adapters/inbound/httpapi/presenter"
+)
+
+type queryRequest struct {
+	Units presenter.Units
+}
+
+func bindQuery(r *http.Request) (queryRequest, error) {
+	normalizeCommonQueryValue(r, "units")
+	normalizeCommonQueryValue(r, "format")
+
+	common, err := bind.CommonQueryParams(r, bind.QueryPolicy{
+		AllowUnits:    true,
+		AllowFormat:   true,
+		DefaultUnits:  string(presenter.UnitsMetric),
+		RejectUnknown: true,
+	})
+	if err != nil {
+		return queryRequest{}, err
+	}
+
+	units := presenter.Units(strings.ToLower(strings.TrimSpace(common.Units)))
+	if units == "" {
+		units = presenter.UnitsMetric
+	}
+	return queryRequest{Units: units}, nil
+}