Статистика для дашборда #7

src/core/core_booking.erl

@@ -4,6 +4,7 @@
 -export([create/2, get_by_id/1, get_by_event_and_user/2, list_by_event/1, list_by_user/1]).
 -export([update_status/2, delete/1]).
 -export([generate_id/0]).
+-export([count_bookings/0]).
 
 %% Создание бронирования
 create(EventId, UserId) ->
@@ -97,6 +98,8 @@ delete(Id) ->
     {aborted, Reason} -> {error, Reason}
   end.
 
+count_bookings() -> mnesia:table_info(booking, size).
+
 %% Внутренние функции
 generate_id() ->
   base64:encode(crypto:strong_rand_bytes(16), #{mode => urlsafe, padding => false}).

src/core/core_calendar.erl

@@ -3,6 +3,7 @@
 
 -export([create/4, create/5, get_by_id/1, list_by_owner/1, update/2, delete/1]).
 -export([generate_id/0]).
+-export([count_calendars/0]).
 
 %% Создание календаря
 create(OwnerId, Title, Description, Confirmation) ->
@@ -95,6 +96,8 @@ update(Id, Updates) ->
 delete(Id) ->
   update(Id, [{status, deleted}]).
 
+count_calendars() -> mnesia:table_info(calendar, size).
+
 %% Внутренние функции
 generate_id() ->
   base64:encode(crypto:strong_rand_bytes(16), #{mode => urlsafe, padding => false}).

src/core/core_event.erl

@@ -4,6 +4,7 @@
 -export([create/4, create_recurring/5, get_by_id/1, list_by_calendar/1,
   update/2, delete/1, materialize_occurrence/3]).
 -export([generate_id/0]).
+-export([count_events/0]).
 
 %% Создание одиночного события
 create(CalendarId, Title, StartTime, Duration) ->
@@ -167,6 +168,9 @@ update(Id, Updates) ->
 delete(Id) ->
   update(Id, [{status, deleted}]).
 
+count_events() ->
+  mnesia:table_info(event, size).
+
 %% Внутренние функции
 generate_id() ->
   base64:encode(crypto:strong_rand_bytes(16), #{mode => urlsafe, padding => false}).

src/core/core_report.erl

@@ -4,6 +4,7 @@
 -export([create/4, get_by_id/1, list_by_target/2, list_by_reporter/1, list_all/0]).
 -export([update_status/3, get_count_by_target/2]).
 -export([generate_id/0]).
+-export([count_reports_by_status/1, count_reports_by_admin/2]).
 
 %% Создание жалобы
 create(ReporterId, TargetType, TargetId, Reason) ->
@@ -83,6 +84,14 @@ get_count_by_target(TargetType, TargetId) ->
   Reports = mnesia:dirty_match_object(Match),
   length(Reports).
 
+count_reports_by_status(Status) ->
+  Match = #report{status = Status, _ = '_'},
+  length(mnesia:dirty_match_object(Match)).
+
+count_reports_by_admin(AdminId, Status) ->
+  Match = #report{resolved_by = AdminId, status = Status, _ = '_'},
+  length(mnesia:dirty_match_object(Match)).
+
 %% Внутренние функции
 generate_id() ->
   base64:encode(crypto:strong_rand_bytes(16), #{mode => urlsafe, padding => false}).

src/core/core_review.erl

@@ -5,6 +5,7 @@
   update/2, delete/1, hide/1, unhide/1]).
 -export([get_average_rating/2, has_user_reviewed/3]).
 -export([generate_id/0]).
+-export([count_reviews/0]).
 
 %% Создание отзыва
 create(UserId, TargetType, TargetId, Rating, Comment) ->
@@ -113,6 +114,8 @@ has_user_reviewed(UserId, TargetType, TargetId) ->
     _ -> true
   end.
 
+count_reviews() -> mnesia:table_info(review, size).
+
 %% Внутренние функции
 generate_id() ->
   base64:encode(crypto:strong_rand_bytes(16), #{mode => urlsafe, padding => false}).

src/core/core_subscription.erl

@@ -10,6 +10,7 @@
   update_subscription/2,
   delete_subscription/1
 ]).
+-export([count_subscription/0]).
 
 -define(TRIAL_DAYS, 30).
 
@@ -214,4 +215,6 @@ apply_updates(Sub, Updates) ->
         Acc#subscription{expires_at = Value, updated_at = calendar:universal_time()};
       _ -> Acc
     end
-              end, Sub, maps:to_list(Updates)).
+              end, Sub, maps:to_list(Updates)).
+
+count_subscription() -> mnesia:table_info(subscription, size).

src/core/core_ticket.erl

@@ -7,6 +7,7 @@
   stats/0,
   create_ticket/1,
   list_by_user/1]).
+-export([count_tickets_by_status/1, count_tickets_by_admin/2]).
 
 list_all() ->
   mnesia:dirty_match_object(#ticket{_ = '_'}).
@@ -83,4 +84,12 @@ apply_updates(Ticket, Updates) ->
               end, Ticket, maps:to_list(Updates)).
 
 count_by_status(Status, Tickets) ->
-  length([T || T <- Tickets, T#ticket.status =:= Status]).
+  length([T || T <- Tickets, T#ticket.status =:= Status]).
+
+count_tickets_by_status(Status) ->
+  Match = #ticket{status = Status, _ = '_'},
+  length(mnesia:dirty_match_object(Match)).
+
+count_tickets_by_admin(AdminId, Status) ->
+  Match = #ticket{assigned_to = AdminId, status = Status, _ = '_'},
+  length(mnesia:dirty_match_object(Match)).

src/core/core_user.erl

@@ -6,6 +6,7 @@
 -export([generate_id/0]).
 -export([list_users/0]).
 -export([block/1, unblock/1]).
+-export([count_users/0]).
 
 %% Создание пользователя
 create(Email, Password) ->
@@ -122,6 +123,9 @@ unblock(Id) ->
     Error -> Error
   end.
 
+count_users() ->
+  mnesia:table_info(user, size).
+
 %% Внутренние функции
 generate_id() ->
   base64:encode(crypto:strong_rand_bytes(16), #{mode => urlsafe, padding => false}).