rbac system first stage

internal/handlers/admin_dashboard.go

@@ -0,0 +1,36 @@
+package handlers
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"git.haelnorr.com/h/golib/hws"
+	"git.haelnorr.com/h/oslstats/internal/db"
+	"git.haelnorr.com/h/oslstats/internal/view/page"
+	"github.com/pkg/errors"
+	"github.com/uptrace/bun"
+)
+
+func AdminDashboard(s *hws.Server, conn *bun.DB) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		ctx, cancel := context.WithTimeout(r.Context(), 15*time.Second)
+		defer cancel()
+
+		tx, err := conn.BeginTx(ctx, nil)
+		if err != nil {
+			throwInternalServiceError(s, w, r, "Database error", errors.Wrap(err, "conn.BeginTx"))
+			return
+		}
+		defer func() { _ = tx.Rollback() }()
+
+		users, err := db.GetUsers(ctx, tx, nil)
+		if err != nil {
+			throwInternalServiceError(s, w, r, "Database error", errors.Wrap(err, "db.GetUsers"))
+			return
+		}
+		_ = tx.Commit()
+
+		renderSafely(page.AdminDashboard(users), s, r, w)
+	})
+}