fix(merchant): 操作统计按订单去重并返回职位备注

同一行为对同一订单只计1单金额取Max；补充 total_order_count/action_count；人员候选展示职位与商家备注。

Co-authored-by: Cursor <cursoragent@cursor.com>

merchant_ops/services/action_stats.py

@@ -1,8 +1,10 @@
 """按真实操作人聚合商家订单操作流水统计。"""
+from collections import defaultdict
 from datetime import datetime
 from decimal import Decimal
 
-from django.db.models import Count, Sum, Q
+from django.conf import settings
+from django.db.models import Count, Max, Sum
 from django.utils import timezone
 
 from merchant_ops.constants import (
@@ -34,9 +36,7 @@ def _parse_dt(value, end_of_day=False):
     if dt is None:
         return None
 
-    from django.conf import settings
     use_tz = bool(getattr(settings, 'USE_TZ', False))
-
     if use_tz:
         if timezone.is_naive(dt):
             dt = timezone.make_aware(dt, timezone.get_current_timezone())
@@ -52,6 +52,15 @@ def _money(val):
     return f'{Decimal(str(val)):.2f}'
 
 
+def _dec(val):
+    if val is None:
+        return Decimal('0')
+    try:
+        return Decimal(str(val))
+    except Exception:
+        return Decimal('0')
+
+
 def build_action_stats_queryset(
     merchant_id,
     *,
@@ -93,47 +102,92 @@ def build_action_stats_queryset(
     return qs
 
 
+def _aggregate_unique_orders(qs, group_fields):
+    """
+    同一分组下：同一订单同一行为只计 1 单、金额取该订单该行为记录的 Max(amount)。
+    返回: {group_tuple: {'order_count', 'action_count', 'amount'}}
+    """
+    # 操作次数（含重复）
+    action_cnt_map = {}
+    for row in qs.values(*group_fields).annotate(cnt=Count('id')):
+        key = tuple(row[f] for f in group_fields)
+        action_cnt_map[key] = int(row['cnt'] or 0)
+
+    # 订单去重：每个 (group..., order_id) 只留一笔金额
+    unique_rows = qs.values(*group_fields, 'order_id').annotate(one_amt=Max('amount'))
+    result = defaultdict(lambda: {
+        'order_count': 0,
+        'action_count': 0,
+        'amount': Decimal('0'),
+    })
+    for row in unique_rows:
+        key = tuple(row[f] for f in group_fields)
+        result[key]['order_count'] += 1
+        result[key]['amount'] += _dec(row['one_amt'])
+
+    for key, meta in result.items():
+        meta['action_count'] = action_cnt_map.get(key, 0)
+    # 只有重复操作、但 unique 漏掉的分组也补上（理论上 unique 覆盖全部）
+    for key, cnt in action_cnt_map.items():
+        if key not in result:
+            result[key] = {
+                'order_count': 0,
+                'action_count': cnt,
+                'amount': Decimal('0'),
+            }
+    return result
+
+
 def summarize_action_logs(qs):
-    total = qs.aggregate(cnt=Count('id'), amt=Sum('amount'))
-    by_action_rows = (
-        qs.values('action_code')
-        .annotate(cnt=Count('id'), amt=Sum('amount'))
-        .order_by('action_code')
-    )
+    action_total = qs.aggregate(cnt=Count('id'))
+    order_total = qs.values('order_id').distinct().count()
+
+    # 总额：先按 (action_code, order_id) 去重取 Max(amount)，再按订单取各行为中金额的？
+    # 用户关心订单量去重；总额对「全部」按 (action, order) 去重后的金额求和（不同行为各自算一笔金额）
+    unique_amt_rows = qs.values('action_code', 'order_id').annotate(one_amt=Max('amount'))
+    total_amount = sum((_dec(r['one_amt']) for r in unique_amt_rows), Decimal('0'))
+
+    by_action_map = _aggregate_unique_orders(qs, ['action_code'])
     by_action = []
-    for row in by_action_rows:
-        code = int(row['action_code'])
+    for key in sorted(by_action_map.keys(), key=lambda k: k[0] if k[0] is not None else 0):
+        code = int(key[0])
+        meta = by_action_map[key]
         by_action.append({
             'action_code': code,
             'action_label': ORDER_ACTION_LABELS.get(code, f'未知({code})'),
-            'count': int(row['cnt'] or 0),
-            'amount': _money(row['amt']),
+            'order_count': meta['order_count'],
+            'count': meta['order_count'],  # 兼容旧字段：对外主展示订单量
+            'action_count': meta['action_count'],
+            'amount': _money(meta['amount']),
         })
 
-    by_leixing_rows = (
-        qs.exclude(leixing_id__isnull=True)
-        .values('leixing_id')
-        .annotate(cnt=Count('id'), amt=Sum('amount'))
-        .order_by('-cnt')
+    by_leixing_map = _aggregate_unique_orders(
+        qs.exclude(leixing_id__isnull=True),
+        ['leixing_id'],
     )
-    leixing_ids = [r['leixing_id'] for r in by_leixing_rows if r['leixing_id'] is not None]
+    leixing_ids = [k[0] for k in by_leixing_map.keys() if k[0] is not None]
     name_map = {}
     if leixing_ids:
         for lx in ShangpinLeixing.query.filter(id__in=leixing_ids).only('id', 'jieshao'):
             name_map[lx.id] = getattr(lx, 'jieshao', '') or str(lx.id)
+
     by_leixing = []
-    for row in by_leixing_rows:
-        lid = row['leixing_id']
+    for key, meta in sorted(by_leixing_map.items(), key=lambda x: -x[1]['order_count']):
+        lid = key[0]
         by_leixing.append({
             'leixing_id': lid,
             'leixing_name': name_map.get(lid, str(lid)),
-            'count': int(row['cnt'] or 0),
-            'amount': _money(row['amt']),
+            'order_count': meta['order_count'],
+            'count': meta['order_count'],
+            'action_count': meta['action_count'],
+            'amount': _money(meta['amount']),
         })
 
     return {
-        'total_count': int(total['cnt'] or 0),
-        'total_amount': _money(total['amt']),
+        'total_order_count': int(order_total or 0),
+        'total_count': int(order_total or 0),  # 主数字=去重订单量
+        'total_action_count': int(action_total['cnt'] or 0),
+        'total_amount': _money(total_amount),
         'by_action': by_action,
         'by_leixing': by_leixing,
     }
@@ -143,22 +197,44 @@ def build_operator_action_stats(merchant_id, filters):
     qs = build_action_stats_queryset(merchant_id, **filters)
     summary = summarize_action_logs(qs)
 
-    people_rows = (
-        qs.values('operator_user_id', 'operator_type', 'role_code', 'role_name')
-        .annotate(cnt=Count('id'), amt=Sum('amount'))
-        .order_by('-cnt')
+    people_map = _aggregate_unique_orders(
+        qs,
+        ['operator_user_id', 'operator_type', 'role_code', 'role_name'],
     )
+
+    # 补职位备注
+    staff_uids = [
+        k[0] for k in people_map.keys()
+        if k[1] == ACTOR_STAFF
+    ]
+    remark_map = {}
+    name_map = {}
+    if staff_uids:
+        for m in MerchantStaffMember.objects.filter(
+            merchant_id=str(merchant_id),
+            staff_user_id__in=staff_uids,
+            status=1,
+        ).select_related('role'):
+            remark_map[m.staff_user_id] = m.merchant_remark or ''
+            name_map[m.staff_user_id] = m.display_name or ''
+
     people = []
-    for row in people_rows:
+    for key, meta in sorted(people_map.items(), key=lambda x: -x[1]['order_count']):
+        uid, op_type, role_code, role_name = key
+        role_name = role_name or ('商家本人' if op_type == ACTOR_MERCHANT else '')
+        remark = remark_map.get(uid, '') if op_type == ACTOR_STAFF else ''
+        display = name_map.get(uid, '') if op_type == ACTOR_STAFF else '商家本人'
         people.append({
-            'operator_user_id': row['operator_user_id'],
-            'operator_type': row['operator_type'],
-            'role_code': row['role_code'] or '',
-            'role_name': row['role_name'] or (
-                '商家本人' if row['operator_type'] == ACTOR_MERCHANT else ''
-            ),
-            'count': int(row['cnt'] or 0),
-            'amount': _money(row['amt']),
+            'operator_user_id': uid,
+            'operator_type': op_type,
+            'role_code': role_code or '',
+            'role_name': role_name,
+            'merchant_remark': remark,
+            'display_name': display,
+            'order_count': meta['order_count'],
+            'count': meta['order_count'],
+            'action_count': meta['action_count'],
+            'amount': _money(meta['amount']),
         })
 
     return {
@@ -172,12 +248,13 @@ def build_operator_action_stats(merchant_id, filters):
 
 
 def list_operator_candidates(merchant_id):
-    """经营数据页可选身份：商家本人 + 子客服列表。"""
+    """经营数据页可选身份：商家本人 + 子客服（展示职位+备注）。"""
     items = [{
         'operator_user_id': str(merchant_id),
         'operator_type': ACTOR_MERCHANT,
         'role_code': 'OWNER',
         'role_name': '商家本人',
+        'merchant_remark': '',
         'display_name': '商家本人',
         'staff_member_id': None,
     }]
@@ -188,12 +265,22 @@ def list_operator_candidates(merchant_id):
         .order_by('id')
     )
     for m in members:
+        role_name = m.role.role_name if m.role else '子客服'
+        remark = (m.merchant_remark or '').strip()
+        nick = (m.display_name or '').strip()
+        parts = [role_name]
+        if remark:
+            parts.append(f'备注:{remark}')
+        elif nick:
+            parts.append(nick)
+        parts.append(m.staff_user_id)
         items.append({
             'operator_user_id': m.staff_user_id,
             'operator_type': ACTOR_STAFF,
             'role_code': m.role.role_code if m.role else '',
-            'role_name': m.role.role_name if m.role else '',
-            'display_name': m.display_name or m.merchant_remark or m.staff_user_id,
+            'role_name': role_name,
+            'merchant_remark': remark,
+            'display_name': ' · '.join(parts),
             'staff_member_id': m.id,
         })
     return items