feat: url dashboard

internal/handler/admin_short_url.go

@@ -0,0 +1,50 @@
+package handler
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/prabhupadasays/spsays-bff/pkg/response"
+)
+
+// ListShortURLs — GET /admin/short-urls?q=&limit=&offset= — paginated list of
+// shortened URLs, newest first.
+func (h *AdminHandler) ListShortURLs(w http.ResponseWriter, r *http.Request) {
+	q, limit, offset := pageParams(r)
+	items, total, err := h.svc.ListShortURLs(r.Context(), q, limit, offset)
+	if err != nil {
+		response.Error(w, http.StatusInternalServerError, "could not list short urls")
+		return
+	}
+	response.JSONWithMeta(w, http.StatusOK, items, meta(total, limit, offset))
+}
+
+// ShortURLStats — GET /admin/short-urls/stats?from=YYYY-MM-DD&to=YYYY-MM-DD —
+// today/week/month/all-time counts, plus a custom range when from+to are given.
+func (h *AdminHandler) ShortURLStats(w http.ResponseWriter, r *http.Request) {
+	from, to := parseDateRange(r)
+	stats, err := h.svc.ShortURLStats(r.Context(), from, to)
+	if err != nil {
+		response.Error(w, http.StatusInternalServerError, "could not load short url stats")
+		return
+	}
+	response.JSON(w, http.StatusOK, stats)
+}
+
+// parseDateRange reads ?from=YYYY-MM-DD&to=YYYY-MM-DD (UTC). `to` is treated as
+// inclusive, so the returned upper bound is the exclusive start of the next
+// day. Returns (nil, nil) unless both dates are present and valid.
+func parseDateRange(r *http.Request) (*time.Time, *time.Time) {
+	fs := r.URL.Query().Get("from")
+	ts := r.URL.Query().Get("to")
+	if fs == "" || ts == "" {
+		return nil, nil
+	}
+	from, err1 := time.ParseInLocation("2006-01-02", fs, time.UTC)
+	to, err2 := time.ParseInLocation("2006-01-02", ts, time.UTC)
+	if err1 != nil || err2 != nil {
+		return nil, nil
+	}
+	toExclusive := to.AddDate(0, 0, 1)
+	return &from, &toExclusive
+}