fix: 对齐报工归属有效工时分配

app/services/metrics.py

@@ -461,9 +461,11 @@ def item_time_ranges(
 
     ranges: list[ItemTimeRange] = []
     allocated_item_ids: set[int] = set()
+    unassigned_ranges: list[tuple[datetime, datetime]] = []
     for device_no, device_ranges in segment_ranges.items():
         device_items = items_by_device.get(device_no, [])
         if not device_items:
+            unassigned_ranges.extend(device_ranges)
             continue
         for segment_start, segment_end in device_ranges:
             ranges.extend(_device_item_time_ranges(device_items, segment_start, segment_end))
@@ -471,8 +473,18 @@ def item_time_ranges(
             allocated_item_ids.add(id(item))
 
     unmatched_items = [item for item in items if id(item) not in allocated_item_ids]
-    if unmatched_items:
+    if unmatched_items and unassigned_ranges:
-        ranges.extend(ItemTimeRange(item=item, start_at=start_at, end_at=end_at) for item in unmatched_items)
+        allocation_weight = 1 / len(unmatched_items)
+        for segment_start, segment_end in unassigned_ranges:
+            ranges.extend(
+                ItemTimeRange(
+                    item=item,
+                    start_at=segment_start,
+                    end_at=segment_end,
+                    allocation_weight=allocation_weight,
+                )
+                for item in unmatched_items
+            )
     return ranges
 
 

app/services/report_allocations.py

@@ -1,6 +1,6 @@
 from collections import defaultdict
 from dataclasses import dataclass
-from datetime import date, datetime, time, timedelta
+from datetime import date, datetime, timedelta
 
 from sqlalchemy import delete
 from sqlalchemy.orm import Session
@@ -40,10 +40,6 @@ class ReportAllocationDraft:
     reference_wage: float = 0
 
 
-def _midnight(value: date) -> datetime:
-    return datetime.combine(value, time.min)
-
-
 def _add_minutes(
     rows: dict[date, dict[str, float]],
     allocation_date: date,
@@ -55,18 +51,6 @@ def _add_minutes(
     rows[allocation_date][bucket] += minutes
 
 
-def _add_night_minutes(
-    rows: dict[date, dict[str, float]],
-    start_at: datetime,
-    end_at: datetime,
-    base_date: date,
-) -> None:
-    midnight = _midnight(base_date + timedelta(days=1))
-    before_midnight = _overlap_minutes(start_at, end_at, _midnight(base_date), midnight)
-    after_midnight = _overlap_minutes(start_at, end_at, midnight, midnight + timedelta(days=1))
-    _add_minutes(rows, base_date, "night", before_midnight + after_midnight)
-
-
 def _range_allocation_minutes(
     start_at: datetime,
     end_at: datetime,
@@ -107,7 +91,7 @@ def _range_allocation_minutes(
                 )
                 minutes = max(0.0, minutes_between(overlap_start, overlap_end) - meal_minutes)
                 if bucket == "night":
-                    _add_night_minutes(rows, overlap_start, overlap_end, current_date)
+                    _add_minutes(rows, current_date, "night", minutes)
                 else:
                     _add_minutes(rows, overlap_start.date(), bucket, minutes)
 

tests/test_report_allocations.py

@@ -7,11 +7,13 @@ from sqlalchemy.orm import sessionmaker
 
 from app.database import Base
 from app.models import ProductionReport, ProductionReportAllocation, ProductionReportItem
+from app.services.metrics import calculate_report_metrics
 from app.services.report_allocations import (
     allocation_summary_text,
     build_report_allocation_drafts,
     refresh_report_allocations,
 )
+from app.services.work_schedule import WorkScheduleConfig
 
 
 @compiles(BigInteger, "sqlite")
@@ -28,12 +30,15 @@ def _item(
     changeover_count: float = 0,
     process_unit_price_yuan: float = 0,
     started_at: datetime | None = None,
+    device_no: str = "23#",
+    product_name: str | None = None,
+    process_name: str | None = "冲压",
 ):
     return SimpleNamespace(
         id=id,
-        device_no="23#",
+        device_no=device_no,
-        product_name="23#",
+        product_name=product_name or device_no,
-        process_name="冲压",
+        process_name=process_name,
         started_at=started_at,
         standard_beat=1,
         standard_workload=0,
@@ -168,6 +173,54 @@ def test_items_sharing_same_started_at_split_the_segment_minutes():
     ]
 
 
+def test_device_matched_and_unmatched_items_match_metrics_remaining_minutes():
+    start_at = datetime(2026, 7, 25, 8, 0)
+    end_at = datetime(2026, 7, 25, 11, 0)
+    matching_item = _item(id=1, good_qty=10, device_no="23#")
+    unmatched_item = _item(id=2, good_qty=20, device_no="99#")
+    report = _report(start_at, end_at, [matching_item, unmatched_item], devices=[_device(start_at)])
+
+    calculate_report_metrics(start_at, end_at, [matching_item, unmatched_item], devices=[_device(start_at)])
+    rows = build_report_allocation_drafts(report)
+
+    assert {matching_item.id: matching_item.allocated_minutes, unmatched_item.id: unmatched_item.allocated_minutes} == {
+        1: 180,
+        2: 0,
+    }
+    assert {row.report_item_id: row.effective_minutes for row in rows} == {
+        1: 180,
+        2: 0,
+    }
+
+
+def test_night_allocation_uses_meal_deducted_minutes_with_previous_date_rules():
+    schedule = WorkScheduleConfig(
+        day_start="08:00",
+        day_end="17:20",
+        lunch_start="11:40",
+        lunch_end="12:40",
+        dinner_start="21:00",
+        dinner_end="21:30",
+        overtime_start="18:00",
+        overtime_end="20:00",
+        night_start="20:00",
+        night_end="06:00",
+    )
+    start_at = datetime(2026, 7, 25, 20, 0)
+    end_at = datetime(2026, 7, 25, 22, 0)
+    item = _item(id=1, good_qty=90)
+    report = _report(start_at, end_at, item)
+
+    metrics = calculate_report_metrics(start_at, end_at, [item], schedule=schedule)
+    rows = build_report_allocation_drafts(report, schedule=schedule)
+
+    assert metrics["effective_minutes"] == 90
+    assert metrics["shift_night_minutes"] == 90
+    assert [(row.allocation_date, row.night_minutes, row.effective_minutes) for row in rows] == [
+        (date(2026, 7, 25), 90, 90),
+    ]
+
+
 def test_zero_effective_minutes_falls_back_to_original_report_date():
     item = _item(good_qty=5, defect_qty=1, scrap_qty=0.5, changeover_count=2, process_unit_price_yuan=3)
     report = _report(