feat: booking JSON user_nickname/email for owner UI. Refs EventHub/EventHubBack#56

src/handlers/handler_booking_by_id.erl

@@ -181,17 +181,4 @@ cancel_booking(Req) ->
 %% Учитывает все поля из records.hrl.
 -spec booking_to_json(#booking{}) -> map().
 booking_to_json(Booking) ->
-  #{
+  handler_utils:booking_to_json(Booking).
-    id            => Booking#booking.id,
-    event_id      => Booking#booking.event_id,
-    user_id       => Booking#booking.user_id,
-    status        => Booking#booking.status,
-    notes         => Booking#booking.notes,
-    reminder_sent => Booking#booking.reminder_sent,
-    confirmed_at  => case Booking#booking.confirmed_at of
-                       undefined -> null;
-                       Dt        -> handler_utils:datetime_to_iso8601(Dt)
-                     end,
-    created_at    => handler_utils:datetime_to_iso8601(Booking#booking.created_at),
-    updated_at    => handler_utils:datetime_to_iso8601(Booking#booking.updated_at)
-  }.

src/handlers/handler_bookings.erl

@@ -167,17 +167,4 @@ list_bookings(Req) ->
 %% @private Формирует JSON-представление записи #booking{}.
 -spec booking_to_json(#booking{}) -> map().
 booking_to_json(Booking) ->
-  #{
+  handler_utils:booking_to_json(Booking).
-    id            => Booking#booking.id,
-    event_id      => Booking#booking.event_id,
-    user_id       => Booking#booking.user_id,
-    status        => Booking#booking.status,
-    notes         => Booking#booking.notes,
-    reminder_sent => Booking#booking.reminder_sent,
-    confirmed_at  => case Booking#booking.confirmed_at of
-                       undefined -> null;
-                       Dt        -> handler_utils:datetime_to_iso8601(Dt)
-                     end,
-    created_at    => handler_utils:datetime_to_iso8601(Booking#booking.created_at),
-    updated_at    => handler_utils:datetime_to_iso8601(Booking#booking.updated_at)
-  }.

src/handlers/handler_user_bookings.erl

@@ -89,17 +89,4 @@ list_user_bookings(Req) ->
 %% @private Формирует JSON-представление записи #booking{}.
 -spec booking_to_json(#booking{}) -> map().
 booking_to_json(Booking) ->
-  #{
+  handler_utils:booking_to_json(Booking).
-    id            => Booking#booking.id,
-    event_id      => Booking#booking.event_id,
-    user_id       => Booking#booking.user_id,
-    status        => Booking#booking.status,
-    notes         => Booking#booking.notes,
-    reminder_sent => Booking#booking.reminder_sent,
-    confirmed_at  => case Booking#booking.confirmed_at of
-                       undefined -> null;
-                       Dt        -> handler_utils:datetime_to_iso8601(Dt)
-                     end,
-    created_at    => handler_utils:datetime_to_iso8601(Booking#booking.created_at),
-    updated_at    => handler_utils:datetime_to_iso8601(Booking#booking.updated_at)
-  }.

src/handlers/handler_utils.erl

@@ -26,6 +26,7 @@
   ticket_to_json/1,
   calendar_to_json/1,
   subscription_to_json/1,
+  booking_to_json/1,
   trails_for_crud/4,
   is_superadmin/1,
   pagination_headers/2,
@@ -473,6 +474,44 @@ subscription_to_json(Subscription) ->
     updated_at  => datetime_to_iso8601(Subscription#subscription.updated_at)
   }.
 
+%% @doc Booking JSON with optional booker nickname/email for owner UI.
+-spec booking_to_json(#booking{}) -> map().
+booking_to_json(Booking) ->
+  Base = #{
+    id            => Booking#booking.id,
+    event_id      => Booking#booking.event_id,
+    user_id       => Booking#booking.user_id,
+    status        => Booking#booking.status,
+    notes         => Booking#booking.notes,
+    reminder_sent => Booking#booking.reminder_sent,
+    confirmed_at  => case Booking#booking.confirmed_at of
+                       undefined -> null;
+                       Dt        -> datetime_to_iso8601(Dt)
+                     end,
+    created_at    => datetime_to_iso8601(Booking#booking.created_at),
+    updated_at    => datetime_to_iso8601(Booking#booking.updated_at)
+  },
+  maps:merge(Base, booking_user_fields(Booking#booking.user_id)).
+
+%% @private
+booking_user_fields(UserId) when is_binary(UserId) ->
+  case core_user:get_by_id(UserId) of
+    {ok, #user{nickname = Nick, email = Email}} ->
+      #{
+        user_nickname => empty_to_null(Nick),
+        user_email => empty_to_null(Email)
+      };
+    _ ->
+      #{user_nickname => null, user_email => null}
+  end;
+booking_user_fields(_) ->
+  #{user_nickname => null, user_email => null}.
+
+empty_to_null(undefined) -> null;
+empty_to_null(null) -> null;
+empty_to_null(<<>>) -> null;
+empty_to_null(V) -> V.
+
 %%%===================================================================
 %%% Вспомогательные внутренние функции
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