feat(reports): improve summary rates and export formatting

apps/reports/services/aggregation.py

@@ -18,8 +18,7 @@ from apps.projects.models import Project
 from apps.projects.services.access import user_has_project_access
 from apps.tags.models import Tag
 from apps.time_entries.models import TimeEntry
-from apps.workspaces.models import Workspace
-from apps.workspaces.models import WorkspaceUserRate
+from apps.workspaces.models import HourlyRateHistory, Workspace
 from apps.workspaces.services import WORKSPACE_VIEW, get_workspace_role, has_workspace_capability
 
 User = get_user_model()
@@ -121,113 +120,73 @@ def _serialize_distinct_rates_from_rows(rate_rows: list[dict]) -> list[dict]:
     ]
 
 
-def _serialize_rate_periods(entries: list[TimeEntry]) -> list[dict]:
-    sorted_entries = sorted(entries, key=lambda entry: (entry.start_time, entry.end_time or entry.start_time, entry.id))
-    periods: list[dict] = []
-    current: dict | None = None
-
-    for entry in sorted_entries:
-        if not entry.hourly_rate or not entry.start_time:
-            continue
-
-        amount = f"{Decimal(entry.hourly_rate).quantize(Decimal('0.01'))}"
-        currency = entry.currency or "USD"
-        start_date = _localize_datetime(entry.start_time).date()
-        end_source = entry.end_time or entry.start_time
-        end_date = _localize_datetime(end_source).date()
-
-        if (
-            current
-            and current["amount"] == amount
-            and current["currency"] == currency
-        ):
-            if end_date > current["to_date"]:
-                current["to_date"] = end_date
-            continue
-
-        if current:
-            periods.append(
-                {
-                    "amount": current["amount"],
-                    "currency": current["currency"],
-                    "from_date": current["from_date"].isoformat(),
-                    "to_date": current["to_date"].isoformat(),
-                }
-            )
-
-        current = {
-            "amount": amount,
-            "currency": currency,
-            "from_date": start_date,
-            "to_date": end_date,
-        }
-
-    if current:
-        periods.append(
-            {
-                "amount": current["amount"],
-                "currency": current["currency"],
-                "from_date": current["from_date"].isoformat(),
-                "to_date": current["to_date"].isoformat(),
-            }
-        )
-
-    return periods
-
-
-def _serialize_current_rate_rows(*, user, workspace: Workspace) -> list[dict]:
-    workspace_rate = (
-        WorkspaceUserRate.objects.filter(
+def _serialize_rate_history_rows(*, user, workspace: Workspace, from_date: date, to_date: date) -> list[dict]:
+    current_timezone = timezone.get_current_timezone()
+    period_start = timezone.make_aware(datetime.combine(from_date, time.min), current_timezone)
+    period_end = timezone.make_aware(datetime.combine(to_date + timedelta(days=1), time.min), current_timezone)
+    rows = list(
+        HourlyRateHistory.objects.filter(
             workspace=workspace,
             user=user,
-            is_active=True,
             is_deleted=False,
+            effective_from__lt=period_end,
         )
-        .order_by("-effective_from", "-updated_at")
-        .first()
+        .select_related("project")
+        .order_by("scope", "project_id", "effective_from", "created_at")
     )
-    if not workspace_rate or not workspace_rate.effective_from:
-        return []
-    return [
-        {
-            "amount": f"{Decimal(workspace_rate.hourly_rate).quantize(Decimal('0.01'))}",
-            "currency": workspace_rate.currency or "USD",
-            "from_date": _localize_datetime(workspace_rate.effective_from).date().isoformat(),
-            "to_date": None,
-            "is_current": True,
+
+    grouped: dict[tuple[str, str | None], list[HourlyRateHistory]] = defaultdict(list)
+    for row in rows:
+        grouped[(row.scope, str(row.project_id) if row.project_id else None)].append(row)
+
+    serialized: list[dict] = []
+    for (_scope, _project_id), history_rows in grouped.items():
+        selected_indexes = {
+            index for index, row in enumerate(history_rows) if row.effective_from >= period_start
         }
+        previous_indexes = [
+            index for index, row in enumerate(history_rows) if row.effective_from < period_start
         ]
+        if previous_indexes:
+            selected_indexes.add(previous_indexes[-1])
 
-
-def _merge_rate_history_rows(history_rows: list[dict], current_rows: list[dict]) -> list[dict]:
-    merged = [dict(row) for row in history_rows]
-    latest_indexes = {
-        (row["amount"], row["currency"]): index
-        for index, row in enumerate(merged)
-    }
-
-    for row in current_rows:
-        key = (row["amount"], row["currency"])
-        index = latest_indexes.get(key)
-        if index is not None:
-            merged[index]["to_date"] = None
+        for index in sorted(selected_indexes):
+            row = history_rows[index]
+            next_row = history_rows[index + 1] if index + 1 < len(history_rows) else None
+            if next_row and next_row.effective_from < period_start:
                 continue
-
-        merged.append(dict(row))
-        latest_indexes[key] = len(merged) - 1
+            from_day = max(_localize_datetime(row.effective_from).date(), from_date)
+            to_day = min(_localize_datetime(next_row.effective_from).date(), to_date) if next_row else None
+            serialized.append(
+                {
+                    "amount": f"{Decimal(row.hourly_rate).quantize(Decimal('0.01'))}",
+                    "currency": row.currency or "USD",
+                    "from_date": from_day.isoformat(),
+                    "to_date": to_day.isoformat() if to_day else None,
+                    "scope": row.scope,
+                    "project_name": row.project.name if row.project else None,
+                    "is_current": next_row is None,
+                }
+            )
 
     return sorted(
-        merged,
+        serialized,
         key=lambda item: (
             item["from_date"],
-            item["currency"],
+            item["scope"],
+            item.get("project_name") or "",
             Decimal(item["amount"]),
-            item.get("to_date") or "9999-12-31",
         ),
     )
 
 
 def _uncategorized_label(kind: str, language: str) -> str:
+    if language == "fa":
+        return {
+            "clients": "بدون مشتری",
+            "projects": "بدون پروژه",
+            "tags": "بدون تگ",
+        }[kind]
     resolved_language = language if language in UNCATEGORIZED_LABELS else "en"
     return UNCATEGORIZED_LABELS[resolved_language][kind]
 
@@ -422,11 +381,22 @@ def _serialize_income_percentage_rows(rows: list[dict], shares: dict[str, dict])
     return _complete_percentage_rows(rows, _allocate_percentage_rows(items, total_income))
 
 
-def _build_user_summary(user, entries: list[TimeEntry], *, language: str) -> dict:
+def _build_user_summary(
+    user,
+    entries: list[TimeEntry],
+    *,
+    workspace: Workspace,
+    from_date: date,
+    to_date: date,
+    language: str,
+) -> dict:
     summary = _summary_from_entries(entries)
-    historical_rate_rows = _serialize_rate_periods(entries)
-    current_rate_rows = _serialize_current_rate_rows(user=user, workspace=entries[0].workspace)
-    rate_rows = _merge_rate_history_rows(historical_rate_rows, current_rate_rows)
+    rate_rows = _serialize_rate_history_rows(
+        user=user,
+        workspace=workspace,
+        from_date=from_date,
+        to_date=to_date,
+    )
     project_rows = _build_breakdown(entries, "projects", language=language)
     client_rows = _build_breakdown(entries, "clients", language=language)
     tag_rows = _build_breakdown(entries, "tags", language=language)
@@ -458,13 +428,20 @@ def _build_user_summary(user, entries: list[TimeEntry], *, language: str) -> dic
     }
 
 
-def _build_user_summaries(entries: list[TimeEntry], *, language: str) -> list[dict]:
+def _build_user_summaries(entries: list[TimeEntry], *, filters: ReportFilters) -> list[dict]:
     grouped: dict[str, list[TimeEntry]] = defaultdict(list)
     for entry in entries:
         grouped[str(entry.user_id)].append(entry)
 
     summaries = [
-        _build_user_summary(grouped_entries[0].user, grouped_entries, language=language)
+        _build_user_summary(
+            grouped_entries[0].user,
+            grouped_entries,
+            workspace=filters.workspace,
+            from_date=filters.from_date,
+            to_date=filters.to_date,
+            language=filters.language,
+        )
         for grouped_entries in grouped.values()
         if grouped_entries
     ]
@@ -799,9 +776,6 @@ def _bucket_key(filters: ReportFilters, local_dt: datetime) -> tuple[str, date]:
     if filters.period in {PERIOD_THIS_WEEK, PERIOD_THIS_MONTH, PERIOD_CUSTOM}:
         bucket_date = local_dt.date()
         return bucket_date.isoformat(), bucket_date
-    if filters.language == "fa":
-        persian_date = jdatetime.date.fromgregorian(date=local_dt.date())
-        return f"{persian_date.year:04d}-{persian_date.month:02d}", local_dt.date()
     bucket_date = date(local_dt.year, local_dt.month, 1)
     return bucket_date.strftime("%Y-%m"), bucket_date
 
@@ -1045,11 +1019,18 @@ def build_table_report(actor, raw_filters) -> dict:
         payload = _table_report_payload(
             filters,
             entries,
-            user_summaries=_build_user_summaries(entries, language=filters.language),
+            user_summaries=_build_user_summaries(entries, filters=filters),
         )
         return payload
     user_summary = (
-        _build_user_summary(entries[0].user, entries, language=filters.language)
+        _build_user_summary(
+            entries[0].user,
+            entries,
+            workspace=filters.workspace,
+            from_date=filters.from_date,
+            to_date=filters.to_date,
+            language=filters.language,
+        )
         if entries and filters.user_id
         else None
     )
@@ -1063,7 +1044,14 @@ def build_user_summary_report(actor, raw_filters) -> dict:
 
     entries = list(_base_queryset(filters))
     user_summary = (
-        _build_user_summary(entries[0].user, entries, language=filters.language)
+        _build_user_summary(
+            entries[0].user,
+            entries,
+            workspace=filters.workspace,
+            from_date=filters.from_date,
+            to_date=filters.to_date,
+            language=filters.language,
+        )
         if entries
         else None
     )
@@ -1095,6 +1083,9 @@ def build_user_scoped_table_reports(actor, raw_filters) -> list[dict]:
                 user_summary=_build_user_summary(
                     user_entries[0].user,
                     user_entries,
+                    workspace=filters.workspace,
+                    from_date=filters.from_date,
+                    to_date=filters.to_date,
                     language=filters.language,
                 ),
             )

apps/reports/services/export_i18n.py

@@ -219,7 +219,7 @@ class ExportLocale:
 
     def format_money_label(self, income_totals: list[dict], *, ascii_digits: bool = False) -> str:
         if not income_totals:
-            return "-"
+            return self.format_number("0", ascii_digits=ascii_digits)
         parts = []
         for item in income_totals:
             currency = self.currency_label(item["currency"])

apps/reports/services/exporters.py

@@ -76,7 +76,7 @@ def _money_label_excel(locale: ExportLocale, income_totals: list[dict]) -> str:
 
 def _rates_label(locale: ExportLocale, rates: list[dict], *, ascii_digits: bool = False) -> str:
     if not rates:
-        return "-"
+        return locale.format_number("0", ascii_digits=ascii_digits)
     items = [
         f"{locale.format_amount_for_currency(rate['amount'], rate['currency'], ascii_digits=ascii_digits)} {locale.currency_label(rate['currency'])}"
         for rate in rates
@@ -103,13 +103,13 @@ def _rate_period_label(locale: ExportLocale, row: dict, *, ascii_digits: bool =
 
 def _rate_label(locale: ExportLocale, rate: dict | None) -> str:
     if not rate:
-        return "-"
+        return locale.format_number("0")
     return f"{locale.format_amount_for_currency(rate['amount'], rate['currency'])} {locale.currency_label(rate['currency'])}"
 
 
 def _rate_label_excel(locale: ExportLocale, rate: dict | None) -> str:
     if not rate:
-        return "-"
+        return locale.format_number("0", ascii_digits=True)
     value = (
         f"{locale.format_amount_for_currency(rate['amount'], rate['currency'], ascii_digits=True)} "
         f"{locale.currency_label(rate['currency'])}"
@@ -213,7 +213,14 @@ def _append_user_summary_block(worksheet, *, locale: ExportLocale, user_summary:
         worksheet.append(row)
 
 
-def _percentage_display(locale: ExportLocale, rows: list[dict], row_data: dict, *, ascii_digits: bool = False) -> str:
+def _percentage_display(
+    locale: ExportLocale,
+    rows: list[dict],
+    row_data: dict,
+    *,
+    ascii_digits: bool = False,
+    default: str = "0%",
+) -> str:
     row_id = str(row_data.get("id")) if row_data.get("id") is not None else None
     row_name = row_data.get("name")
     for row in rows:
@@ -222,7 +229,7 @@ def _percentage_display(locale: ExportLocale, rows: list[dict], row_data: dict,
             return value
         if row_name and row["name"] == row_name:
             return value
-    return "-"
+    return default
 
 
 def _percentage_number(rows: list[dict] | None, row_data: dict) -> float:
@@ -277,7 +284,7 @@ def _summary_breakdown_rows(
         [
             row["name"],
             _percentage_value(locale, row["percentage"], ascii_digits=True),
-            _percentage_display(locale, income_rows, row, ascii_digits=True),
+            _percentage_display(locale, income_rows, row, ascii_digits=True, default="-"),
         ]
         for row in sorted(hour_rows, key=lambda row: (-_percentage_sort_value(row), row.get("name") or ""))
     ]
@@ -304,11 +311,11 @@ def _rate_to_label(locale: ExportLocale, to_date: str | None, *, ascii_digits: b
 
 def _append_rate_history_table_excel(worksheet, *, locale: ExportLocale, user_summary: dict) -> None:
     worksheet.append([])
-    _append_merged_heading(worksheet, locale=locale, title=locale.t("rate_history"), span=3)
+    _append_merged_heading(worksheet, locale=locale, title=locale.t("rate_history"), span=4)
     header_row = worksheet.max_row + 1
     worksheet.append(
         _excel_table_row(
-            [locale.t("hourly_rate"), locale.t("from"), locale.t("to")],
+            [locale.t("hourly_rate"), locale.t("from"), locale.t("to"), locale.t("project")],
         )
     )
     for cell in worksheet[header_row]:
@@ -327,6 +334,7 @@ def _append_rate_history_table_excel(worksheet, *, locale: ExportLocale, user_su
                     _rate_period_label(locale, row, ascii_digits=True),
                     locale.format_date(row["from_date"], ascii_digits=True),
                     _rate_to_label(locale, row.get("to_date"), ascii_digits=True),
+                    row.get("project_name") or "-",
                 ],
             )
         )
@@ -562,7 +570,7 @@ def _append_breakdown_table(
             ),
             _money_label_excel(locale, row["income_totals"]),
             *(
-                [_percentage_display(locale, income_percentages or [], row, ascii_digits=True)]
+                [_percentage_display(locale, income_percentages or [], row, ascii_digits=True, default="-")]
                 if hour_percentages is not None
                 else []
             ),
@@ -669,8 +677,11 @@ def _user_summary_row_payload(locale: ExportLocale, summary: dict) -> tuple[int,
                 locale.format_duration(summary["billable_duration"], ascii_digits=True) if index == 0 else None,
                 *(rate_rows[index] if index < len(rate_rows) else [None, None]),
                 _money_label_excel(locale, summary["income_totals"]) if index == 0 else None,
+                None,
                 *(client_rows[index] if index < len(client_rows) else [None, None, None]),
+                None,
                 *(project_rows[index] if index < len(project_rows) else [None, None, None]),
+                None,
                 *(tag_rows[index] if index < len(tag_rows) else [None, None, None]),
             ],
         )
@@ -733,7 +744,7 @@ def _render_all_users_overall_excel_sheet(
         worksheet,
         row=15,
         start_col=1,
-        end_col=15,
+        end_col=18,
         value=locale.t("users_summary_sheet"),
         rtl=locale.is_rtl,
     )
@@ -744,12 +755,15 @@ def _render_all_users_overall_excel_sheet(
         locale.t("hourly_rate"),
         locale.t("period"),
         locale.t("income"),
+        "",
         locale.t("clients"),
         locale.t("hour_percentage"),
         locale.t("income_percentage"),
+        "",
         locale.t("projects"),
         locale.t("hour_percentage"),
         locale.t("income_percentage"),
+        "",
         locale.t("tags"),
         locale.t("hour_percentage"),
         locale.t("income_percentage"),
@@ -784,19 +798,26 @@ def _render_all_users_overall_excel_sheet(
             _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=4, value_present=True)
             _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=5, value_present=True)
         if len(client_rows) == 1:
-            _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=7, value_present=True)
             _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=8, value_present=True)
             _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=9, value_present=True)
-        if len(project_rows) == 1:
             _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=10, value_present=True)
-            _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=11, value_present=True)
+        if len(project_rows) == 1:
             _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=12, value_present=True)
-        if len(tag_rows) == 1:
             _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=13, value_present=True)
             _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=14, value_present=True)
-            _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=15, value_present=True)
+        if len(tag_rows) == 1:
+            _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=16, value_present=True)
+            _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=17, value_present=True)
+            _merge_vertical_if_needed(worksheet, start_row=current_row, span=span, column=18, value_present=True)
         current_row += span
 
+    for row_index in range(16, current_row):
+        for column_index in (7, 11, 15):
+            cell = worksheet.cell(row=row_index, column=column_index)
+            cell.value = None
+            cell.fill = PatternFill(fill_type=None)
+            cell.border = Border()
+
     current_row += 2
     for title_key, rows, hour_percentages, income_percentages in (
         (
@@ -855,7 +876,7 @@ def _render_all_users_overall_excel_sheet(
                         locale.format_duration(row["billable_duration"], ascii_digits=True),
                         _percentage_display(locale, hour_percentages or [], row, ascii_digits=True),
                         _money_label_excel(locale, row["income_totals"]),
-                        _percentage_display(locale, income_percentages or [], row, ascii_digits=True),
+                        _percentage_display(locale, income_percentages or [], row, ascii_digits=True, default="-"),
                     ],
                     rtl=locale.is_rtl,
                 )
@@ -1121,7 +1142,7 @@ def _build_pdf_user_summary_table(locale: ExportLocale, summary: dict, doc_width
 def _build_pdf_rate_history_table(locale: ExportLocale, summary: dict, doc_width: float) -> Table:
     rows = summary.get("rate_periods") or []
     data = [
-        _rtl_row(locale, [locale.t("hourly_rate"), locale.t("from"), locale.t("to")]),
+        _rtl_row(locale, [locale.t("hourly_rate"), locale.t("from"), locale.t("to"), locale.t("project")]),
         *(
             _rtl_row(
                 locale,
@@ -1129,14 +1150,15 @@ def _build_pdf_rate_history_table(locale: ExportLocale, summary: dict, doc_width
                     _rate_period_label(locale, row),
                     locale.format_date(row["from_date"]),
                     _rate_to_label(locale, row.get("to_date")),
+                    row.get("project_name") or "-",
                 ],
             )
             for row in rows
         ),
     ]
     if not rows:
-        data.append(_rtl_row(locale, [locale.t("no_data"), "", ""]))
-    fixed_widths = [doc_width * 0.18, doc_width * 0.18]
+        data.append(_rtl_row(locale, [locale.t("no_data"), "", "", ""]))
+    fixed_widths = [doc_width * 0.18, doc_width * 0.18, doc_width * 0.24]
     column_widths = [doc_width - sum(fixed_widths), *fixed_widths]
     if locale.is_rtl:
         column_widths = list(reversed(column_widths))
@@ -1227,7 +1249,7 @@ def _append_pdf_report_sections(
                             ]
                         ),
                         _money_label(locale, row["income_totals"]),
-                        _percentage_display(locale, income_percentage_rows or [], row),
+                        _percentage_display(locale, income_percentage_rows or [], row, default="-"),
                     ],
                 )
                 for row in sorted_rows

apps/reports/tests/test_exporters.py

@@ -199,9 +199,9 @@ class ReportExporterTests(TestCase):
         self.assertEqual(summary_sheet["A1"].value, "Workspace Report")
         self.assertEqual(summary_sheet["B1"].value, "Exports")
         self.assertEqual(summary_sheet["A15"].value, "Users Summary")
-        self.assertIn("A15:O15", {str(item) for item in summary_sheet.merged_cells.ranges})
+        self.assertIn("A15:R15", {str(item) for item in summary_sheet.merged_cells.ranges})
         self.assertEqual(
-            tuple(summary_sheet.iter_rows(min_row=16, max_row=16, values_only=True))[0][:15],
+            tuple(summary_sheet.iter_rows(min_row=16, max_row=16, values_only=True))[0][:18],
             (
                 "Name",
                 "Mobile",
@@ -209,12 +209,15 @@ class ReportExporterTests(TestCase):
                 "Hourly rate",
                 "Period",
                 "Income",
+                None,
                 "Clients",
                 "Hour %",
                 "Income %",
+                None,
                 "Projects",
                 "Hour %",
                 "Income %",
+                None,
                 "Tags",
                 "Hour %",
                 "Income %",