sms-metering-location-link: per-tag SMS credits (allocated/used, admin top-up), short URLs + owner location page (map embed + finder details) — 13/13 scenarios

frontend/internal/handlers/location.go

@@ -0,0 +1,59 @@
+package handlers
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/jackc/pgx/v5"
+
+	"wherewoof/frontend/internal/db"
+)
+
+// locationData is passed to the owner's location page template.
+type locationData struct {
+	Lat         float64
+	Lng         float64
+	FinderPhone string
+	TagCode     string
+	ScannedAt   string
+}
+
+// ServeShort resolves a short code to its scan and renders the owner's
+// location page (map embed + finder details).
+func (a *App) ServeShort(w http.ResponseWriter, r *http.Request) {
+	code := r.PathValue("code")
+	sc, err := a.Queries.GetShortCode(r.Context(), code)
+	if err != nil {
+		http.NotFound(w, r)
+		return
+	}
+
+	scan, err := a.Queries.GetScanByID(r.Context(), sc.ScanID)
+	if err != nil || !scan.Lat.Valid || !scan.Lng.Valid {
+		http.NotFound(w, r)
+		return
+	}
+
+	tag, err := a.Queries.GetTagByID(r.Context(), scan.TagID)
+	if err != nil {
+		if errors.Is(err, pgx.ErrNoRows) {
+			http.NotFound(w, r)
+			return
+		}
+		http.Error(w, "internal error", http.StatusInternalServerError)
+		return
+	}
+
+	data := locationData{
+		Lat:         scan.Lat.Float64,
+		Lng:         scan.Lng.Float64,
+		FinderPhone: scan.ScannerPhone.String,
+		TagCode:     tag.TagCode,
+		ScannedAt:   scan.ScannedAt.Time.Local().Format("Mon 2 Jan, 3:04 pm"),
+	}
+	a.render(w, r, "location", "Location found", data, "")
+}
+
+// keep the db import referenced (Tag lookup above uses a.Queries only; this
+// guards against accidental removal while the package evolves).
+var _ = db.Tag{}