fix: statistics profit dates fix

services/statistics/profit_statistics.py

@@ -16,13 +16,20 @@ from services.statistics.expenses_statistics import ExpensesStatisticsService
 class ProfitStatisticsService(BaseService):
     @staticmethod
     def _get_sub_deals_created_at(date_from: datetime.date, date_to: datetime.date):
-        return (
+        deals_created_at = (
             select(
                 Deal.id.label('deal_id'),
-                Deal.created_at.label('date'),
+                func.date_trunc(
+                    'day',
+                    Deal.created_at,
+                ).label('date'),
                 Deal.current_status,
             )
-            .where(Deal.created_at.between(date_from, date_to))
+            .subquery()
+        )
+        return (
+            select(deals_created_at)
+            .where(deals_created_at.c.date.between(date_from, date_to))
             .subquery()
         )
 
@@ -39,7 +46,10 @@ class ProfitStatisticsService(BaseService):
         return (
             select(
                 Deal.id.label('deal_id'),
-                last_statuses.c.changed_at.label('date'),
+                func.date_trunc(
+                    'day',
+                    last_statuses.c.changed_at,
+                ).label('date'),
                 Deal.current_status,
             )
             .join(last_statuses, last_statuses.c.deal_id == Deal.id)
@@ -170,22 +180,22 @@ class ProfitStatisticsService(BaseService):
                 func.count(stmt.c.deal_id).label("deals_count"),
                 func.sum(stmt.c.revenue).label("revenue"),
                 func.sum(stmt.c.profit).label("profit"),
-                literal(0).label("expenses"),
             )
             .group_by(stmt.c.date)
-            .order_by(stmt.c.date.asc())
+            .subquery()
         )
-        missing_dates = (
-            select(all_dates)
-            .where(all_dates.c.date.not_in(
-                select(deals.c.date)
-            ))
-        )
-        deals_with_filled_gaps = union_all(deals, missing_dates).subquery()
-        return (
-            select(deals_with_filled_gaps)
-            .order_by(deals_with_filled_gaps.c.date.asc())
+        deals_with_filled_gaps = (
+            select(
+                all_dates.c.date,
+                (all_dates.c.deals_count + func.coalesce(deals.c.deals_count, 0)).label("deals_count"),
+                (all_dates.c.revenue + func.coalesce(deals.c.revenue, 0)).label("revenue"),
+                (all_dates.c.profit + func.coalesce(deals.c.profit, 0)).label("profit"),
+                literal(0).label("expenses"),
+            )
+            .join(deals, all_dates.c.date == deals.c.date, isouter=True)
+            .order_by(all_dates.c.date.asc())
         )
+        return deals_with_filled_gaps
 
     @staticmethod
     def _group_by_deals(stmt_union: Subquery):