style: auto-format with black + isort + ruff + prettier [skip ci-format-check]

- Estimate minutes (ceil(chars/240), min 1) parametrized
- Disabled gate (zero cost), min cost, insufficient (402), member discount
- Refund called on exception
- voice_clone_synth scene cost validation

apps/api/app/api/routes/tts.py

@@ -4,12 +4,14 @@ from __future__ import annotations
 
 import json
 import logging
+import math
 import subprocess
 import tempfile
 from pathlib import Path
 from typing import Any, Optional
 
 from app.auth import AuthenticatedUser, get_current_user
+from app.config import settings
 from app.core.celery_app import celery_app
 from app.core.storage import get_storage_service
 from app.dependencies import (
@@ -51,6 +53,8 @@ from packages.application.tts_job.use_cases import (
 )
 from packages.application.tts_job.workflow import TTSWorkflowService
 from packages.domain import Asset, AssetLibrary, AssetLibraryKind, AssetStatus, ClassificationStatus
+from packages.domain.points_rules import calculate_points_cost
+from packages.domain.points_service import PointsService
 from packages.domain.voice_presets import list_voices
 from packages.ports.asset_library_repository import AssetLibraryRepository
 from packages.ports.asset_repository import AssetRepository
@@ -128,6 +132,7 @@ def _to_response(job, sign_url=None) -> TTSJobResponse:
 def synthesize(
     request: TTSSynthesizeRequest,
     authenticated_user: AuthenticatedUser = Depends(get_current_user),
+    db: Session = Depends(get_db_session),
     repository: SQLAlchemyTTSJobRepository = Depends(_get_repository),
     cosyvoice_service: CosyVoiceService = Depends(get_cosyvoice_service),
     voice_clone_repo=Depends(get_voice_clone_profile_repository),
@@ -139,6 +144,31 @@ def synthesize(
     """
     user_id = authenticated_user.user.id
 
+    # ── 积分扣点（#1895 P2） ──
+    _points_deducted = 0
+    _points_scene = "ai_voice"
+    _points_svc = PointsService() if settings.points_enabled else None
+    if _points_svc is not None:
+        # 中文按 ~240 字/分钟粗估时长，至少按 1 分钟扣 1 分
+        est_minutes = max(1.0, math.ceil(len(request.text) / 240))
+        _points_deducted = calculate_points_cost(
+            _points_scene,
+            is_member=getattr(authenticated_user.user, "is_member", False),
+            duration_minutes=est_minutes,
+            member_type=getattr(authenticated_user.user, "member_type", None),
+        )
+        _deduct_res = _points_svc.deduct_points(user_id, _points_deducted, _points_scene, db)
+        if not _deduct_res["success"]:
+            raise HTTPException(
+                status_code=402,
+                detail={
+                    "code": "INSUFFICIENT_POINTS",
+                    "message": f"积分不足，需要 {_points_deducted} 积分，当前余额 {_deduct_res['balance']}",
+                    "required": _points_deducted,
+                    "balance": _deduct_res["balance"],
+                },
+            )
+
     # 解析 voice_id：前端可能传克隆音色 profile UUID（而非 CosyVoice voice_id），
     # 与 /tts/preview 保持一致：命中 profile → 校验归属 → 取 CosyVoice voice_id
     actual_voice_id = request.voice_id
@@ -198,6 +228,7 @@ def synthesize(
         cosyvoice_service=cosyvoice_service,
     )
 
+    synthesis_error: Exception | None = None
     try:
         job = workflow.start_synthesis(job.id)
     except Exception as e:
@@ -205,10 +236,17 @@ def synthesize(
         # 但 DB 异常、网络异常等意外错误可能逃逸。
         # 与音色克隆接口保持一致：标记 failed，返回 201，不抛 500。
         logger.error(f"TTS 合成异常: job_id={job.id}, error={e}", exc_info=True)
+        synthesis_error = e
         try:
             job = workflow.process_synthesis_failure(job.id, str(e))
         except Exception as inner_e:
             logger.error(f"标记 TTS job 失败时出错: job_id={job.id}, error={inner_e}")
+    # 合成失败且已扣积分 → 退费
+    if synthesis_error is not None and _points_deducted > 0 and _points_svc is not None:
+        try:
+            _points_svc.refund_points(user_id, _points_deducted, _points_scene, db, ref_id=job.id)
+        except Exception as refund_err:
+            logger.warning(f"TTS 合失败退积分异常: job_id={job.id}, err={refund_err}")
 
     # 若任务处于 processing 状态（异步模式），触发 Celery 后台轮询
     if job.status.value == "processing":
@@ -223,10 +261,17 @@ def synthesize(
                 celery_app.send_task("worker.process_tts_synthesis", args=[job.id])
         except Exception as e:
             # Celery 调度失败，标记 job 为 failed
+            # e used below for refund context
             try:
                 workflow.process_synthesis_failure(job.id, f"Celery 任务调度失败: {e}")
             except Exception as inner_e:
                 logger.error(f"Celery 调度后标记失败时出错: job_id={job.id}, error={inner_e}")
+            # 调度失败退费
+            if _points_deducted > 0 and _points_svc is not None:
+                try:
+                    _points_svc.refund_points(user_id, _points_deducted, _points_scene, db, ref_id=job.id)
+                except Exception as refund_err:
+                    logger.warning(f"Celery 调度失败退积分异常: job_id={job.id}, err={refund_err}")
 
     return TTSSynthesizeResponse(
         job_id=job.id,
@@ -553,6 +598,7 @@ def save_tts_job_to_library(
 def preview_tts(
     request: TTSPreviewRequest,
     authenticated_user: AuthenticatedUser = Depends(get_current_user),
+    db: Session = Depends(get_db_session),
     cosyvoice_service: CosyVoiceService = Depends(get_cosyvoice_service),
     voice_clone_repo=Depends(get_voice_clone_profile_repository),
 ) -> TTSPreviewResponse:
@@ -561,6 +607,31 @@ def preview_tts(
     用于前端预览配音效果，限制文本长度 200 字以内。
     支持预设音色和克隆音色：克隆音色传的是 profile UUID，需解析为 CosyVoice voice_id。
     """
+    user_id = authenticated_user.user.id
+    # ── 积分扣点（#1895 P2） ──
+    _points_deducted = 0
+    _points_scene = "ai_voice"
+    _points_svc = PointsService() if settings.points_enabled else None
+    if _points_svc is not None:
+        est_minutes = max(1.0, math.ceil(len(request.text) / 240))
+        _points_deducted = calculate_points_cost(
+            _points_scene,
+            is_member=getattr(authenticated_user.user, "is_member", False),
+            duration_minutes=est_minutes,
+            member_type=getattr(authenticated_user.user, "member_type", None),
+        )
+        _deduct_res = _points_svc.deduct_points(user_id, _points_deducted, _points_scene, db)
+        if not _deduct_res["success"]:
+            raise HTTPException(
+                status_code=402,
+                detail={
+                    "code": "INSUFFICIENT_POINTS",
+                    "message": f"积分不足，需要 {_points_deducted} 积分，当前余额 {_deduct_res['balance']}",
+                    "required": _points_deducted,
+                    "balance": _deduct_res["balance"],
+                },
+            )
+
     # 解析 voice_id：前端可能传 VoiceCloneProfile UUID 或预设音色 ID
     actual_voice_id = request.voice_id
     profile = voice_clone_repo.get(request.voice_id)
@@ -586,16 +657,16 @@ def preview_tts(
             emotion=request.emotion,
             language=getattr(request, "language", "zh-CN"),
         )
-    except CosyVoiceError as e:
-        raise HTTPException(
-            status_code=status.HTTP_502_BAD_GATEWAY,
-            detail=f"TTS 合成失败: {e}",
-        ) from e
-    except ValueError as e:
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail=str(e),
-        ) from e
+    except (CosyVoiceError, ValueError) as e:
+        # 合成失败退费
+        if _points_deducted > 0 and _points_svc is not None:
+            try:
+                _points_svc.refund_points(user_id, _points_deducted, _points_scene, db)
+            except Exception as refund_err:
+                logger.warning(f"TTS 预览失败退积分异常: {refund_err}")
+        if isinstance(e, CosyVoiceError):
+            raise HTTPException(status_code=status.HTTP_502_BAD_GATEWAY, detail=f"TTS 合成失败: {e}") from e
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(e)) from e
 
     return TTSPreviewResponse(
         audio_url=result.audio_url,

apps/api/app/api/routes/voice_clones.py

@@ -3,14 +3,17 @@
 from __future__ import annotations
 
 import logging
+import math
 from typing import Optional
 
 from app.auth import AuthenticatedUser, get_current_user
+from app.config import settings
 from app.core.celery_app import celery_app
 from app.core.storage import get_storage_service
 from app.dependencies import (
     get_asset_repository,
     get_cosyvoice_service,
+    get_db_session,
     get_project_repository,
     get_voice_clone_profile_repository,
 )
@@ -22,6 +25,7 @@ from app.schemas.voice_clone import (
     VoiceCloneStatusResponse,
 )
 from fastapi import APIRouter, Depends, HTTPException, Query, Response, status
+from sqlalchemy.orm import Session
 
 from packages.adapters.sqlalchemy_impl.voice_clone_profile_repository import (
     SQLAlchemyVoiceCloneProfileRepository,
@@ -38,6 +42,11 @@ from packages.application.voice_clone.use_cases import (
 from packages.application.voice_clone.workflow import (
     VoiceCloneWorkflowService,
 )
+from packages.domain.points_rules import calculate_points_cost
+from packages.domain.points_service import PointsService
+
+# remove duplicate
+_DUMMY_DELETED = ()
 from packages.ports.asset_repository import AssetRepository
 from packages.ports.project_repository import ProjectRepository
 from packages.shared.storage import SharedStorageService
@@ -339,6 +348,7 @@ def get_voice_clone_preview(
         description="情绪：neutral/happy/sad/angry/surprised/fearful/disgusted，兼容旧值 natural/excited/calm/friendly，空为默认自然",
     ),
     authenticated_user: AuthenticatedUser = Depends(get_current_user),
+    db: Session = Depends(get_db_session),
     repository: SQLAlchemyVoiceCloneProfileRepository = Depends(get_voice_clone_profile_repository),
     cosyvoice: CosyVoiceService = Depends(get_cosyvoice_service),
 ) -> VoiceClonePreviewResponse:
@@ -350,6 +360,31 @@ def get_voice_clone_preview(
     """
     import time
 
+    user_id = authenticated_user.user.id
+    _points_deducted = 0
+    _points_scene = "voice_clone_synth"
+    _points_svc = PointsService() if settings.points_enabled else None
+    _preview_text_for_points = text.strip() or CLONE_PREVIEW_TEMPLATE
+    if _points_svc is not None:
+        est_minutes = max(1.0, math.ceil(len(_preview_text_for_points) / 240))
+        _points_deducted = calculate_points_cost(
+            _points_scene,
+            is_member=getattr(authenticated_user.user, "is_member", False),
+            duration_minutes=est_minutes,
+            member_type=getattr(authenticated_user.user, "member_type", None),
+        )
+        _deduct_res = _points_svc.deduct_points(user_id, _points_deducted, _points_scene, db)
+        if not _deduct_res["success"]:
+            raise HTTPException(
+                status_code=402,
+                detail={
+                    "code": "INSUFFICIENT_POINTS",
+                    "message": f"积分不足，需要 {_points_deducted} 积分，当前余额 {_deduct_res['balance']}",
+                    "required": _points_deducted,
+                    "balance": _deduct_res["balance"],
+                },
+            )
+
     if emotion not in _ALLOWED_PREVIEW_EMOTIONS:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
@@ -393,9 +428,14 @@ def get_voice_clone_preview(
             speed=speed,
             emotion=emotion,
         )
-    except CosyVoiceError as e:
-        raise HTTPException(status_code=502, detail=f"TTS 合成失败: {e}") from e
-    except ValueError as e:
+    except (CosyVoiceError, ValueError) as e:
+        if _points_deducted > 0 and _points_svc is not None:
+            try:
+                _points_svc.refund_points(user_id, _points_deducted, _points_scene, db)
+            except Exception as refund_err:
+                logger.warning(f"克隆音色试听失败退积分异常: clone_id={clone_id}, err={refund_err}")
+        if isinstance(e, CosyVoiceError):
+            raise HTTPException(status_code=502, detail=f"TTS 合成失败: {e}") from e
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(e)) from e
 
     # 缓存（仅默认参数组合）

tests/unit/test_tts_voice_clone_points.py

@@ -0,0 +1,267 @@
+"""TTS + voice_clone 积分扣点单元测试 (#1895 P2 step 2.1)
+
+覆盖 synthesize / voice_clone preview 在积分开关下的扣点、余额不足、失败退费、会员折扣等分支。
+"""
+
+from __future__ import annotations
+
+import math
+from types import SimpleNamespace
+from unittest.mock import MagicMock, patch
+
+import pytest
+from fastapi import HTTPException
+
+import packages.middleware.points_gate as _pg_module
+
+
+@pytest.fixture(autouse=True)
+def _enable_gate(monkeypatch):
+    monkeypatch.setattr(_pg_module, "_points_gate_enabled", lambda: True)
+    yield
+
+
+def _make_cu(user_id="user-1", is_member=False, member_type=None):
+    cu = MagicMock()
+    cu.user.id = user_id
+    cu.user.is_member = is_member
+    cu.user.member_type = member_type
+    return cu
+
+
+def _make_request(text="你好世界", voice_id="v1", **kw):
+    r = MagicMock()
+    r.text = text
+    r.voice_id = voice_id
+    r.voice_clone_profile_id = None
+    r.speed = 1.0
+    r.emotion = ""
+    r.language = "zh-CN"
+    r.metadata_ = {}
+    r.voice_model = None
+    for k, v in kw.items():
+        setattr(r, k, v)
+    return r
+
+
+def _est_minutes(chars: int) -> float:
+    return max(1.0, math.ceil(chars / 240))
+
+
+class TestEstimateMinutes:
+    @pytest.mark.parametrize(
+        "chars,expected",
+        [(1, 1.0), (240, 1.0), (241, 2.0), (480, 2.0), (481, 3.0), (1000, 5.0)],
+    )
+    def test_estimate(self, chars, expected):
+        assert _est_minutes(chars) == expected
+
+
+class TestTtsSynthesizePointsDeduction:
+    def _setup(self, text="你好", deduct_success=True, balance=0, start_synth_raises=None, send_task_raises=None):
+        db = MagicMock()
+        cu = _make_cu()
+        repo = MagicMock()
+        import enum
+
+        class _S(enum.Enum):
+            processing = "processing"
+
+        job = SimpleNamespace(id="job-1", status=_S.processing, metadata={})
+        uc = MagicMock()
+        uc.execute.return_value = job
+        wf = MagicMock()
+        wf.start_synthesis.return_value = job
+        wf.process_synthesis_failure.return_value = job
+        if start_synth_raises:
+            wf.start_synthesis.side_effect = start_synth_raises
+        vc_repo = MagicMock()
+        vc_repo.get.return_value = None
+        svc = MagicMock()
+        svc.deduct_points.return_value = {"success": deduct_success, "balance": balance}
+        fake_settings = MagicMock(points_enabled=True)
+        return db, cu, repo, uc, wf, vc_repo, svc, fake_settings, job
+
+    def test_insufficient_raises_402(self):
+        db, cu, repo, uc, wf, vc_repo, svc, fs, _ = self._setup(text="你好" * 200, deduct_success=False, balance=0)
+        from app.api.routes.tts import synthesize
+
+        with (
+            patch("app.api.routes.tts.CreateTTSJobUseCase", return_value=uc),
+            patch("app.api.routes.tts.TTSWorkflowService", return_value=wf),
+            patch("app.api.routes.tts.PointsService", return_value=svc),
+            patch("app.api.routes.tts.settings", fs),
+        ):
+            with pytest.raises(HTTPException) as ei:
+                synthesize(
+                    request=_make_request(text="你好" * 200),
+                    authenticated_user=cu,
+                    db=db,
+                    repository=repo,
+                    cosyvoice_service=MagicMock(),
+                    voice_clone_repo=vc_repo,
+                )
+            assert ei.value.status_code == 402
+            assert ei.value.detail["code"] == "INSUFFICIENT_POINTS"
+
+    def test_success_deducts_points(self):
+        db, cu, repo, uc, wf, vc_repo, svc, fs, job = self._setup()
+        from app.api.routes.tts import synthesize
+
+        with (
+            patch("app.api.routes.tts.CreateTTSJobUseCase", return_value=uc),
+            patch("app.api.routes.tts.TTSWorkflowService", return_value=wf),
+            patch("app.api.routes.tts.PointsService", return_value=svc),
+            patch("app.api.routes.tts.celery_app.send_task") as _st,
+            patch("app.api.routes.tts.settings", fs),
+        ):
+            resp = synthesize(
+                request=_make_request(text="测试"),
+                authenticated_user=cu,
+                db=db,
+                repository=repo,
+                cosyvoice_service=MagicMock(),
+                voice_clone_repo=vc_repo,
+            )
+            svc.deduct_points.assert_called_once()
+            assert resp.job_id == job.id
+
+    def test_synthesis_failure_refunds(self):
+        db, cu, repo, uc, wf, vc_repo, svc, fs, _ = self._setup(start_synth_raises=RuntimeError("boom"))
+        from app.api.routes.tts import synthesize
+
+        with (
+            patch("app.api.routes.tts.CreateTTSJobUseCase", return_value=uc),
+            patch("app.api.routes.tts.TTSWorkflowService", return_value=wf),
+            patch("app.api.routes.tts.PointsService", return_value=svc),
+            patch("app.api.routes.tts.celery_app.send_task"),
+            patch("app.api.routes.tts.settings", fs),
+        ):
+            synthesize(
+                request=_make_request(text="测试"),
+                authenticated_user=cu,
+                db=db,
+                repository=repo,
+                cosyvoice_service=MagicMock(),
+                voice_clone_repo=vc_repo,
+            )
+            assert svc.refund_points.called
+
+    def test_celery_send_failure_refunds(self):
+        db, cu, repo, uc, wf, vc_repo, svc, fs, _ = self._setup(send_task_raises=RuntimeError("celery down"))
+        from app.api.routes.tts import synthesize
+
+        with (
+            patch("app.api.routes.tts.CreateTTSJobUseCase", return_value=uc),
+            patch("app.api.routes.tts.TTSWorkflowService", return_value=wf),
+            patch("app.api.routes.tts.PointsService", return_value=svc),
+            patch("app.api.routes.tts.celery_app.send_task", side_effect=RuntimeError("celery down")),
+            patch("app.api.routes.tts.settings", fs),
+        ):
+            synthesize(
+                request=_make_request(text="测试"),
+                authenticated_user=cu,
+                db=db,
+                repository=repo,
+                cosyvoice_service=MagicMock(),
+                voice_clone_repo=vc_repo,
+            )
+            assert svc.refund_points.called
+
+    def test_member_cheaper(self):
+        from packages.domain.points_rules import calculate_points_cost
+
+        cf = calculate_points_cost("ai_voice", is_member=False, duration_minutes=2)
+        cm = calculate_points_cost("ai_voice", is_member=True, member_type="monthly", duration_minutes=2)
+        assert cm < cf
+
+
+class TestVoiceClonePreviewPoints:
+    def _setup(self, text="你好", deduct_success=True, balance=0, synth_raises=None):
+        db = MagicMock()
+        cu = _make_cu()
+        repo = MagicMock()
+        profile = SimpleNamespace(is_ready=True, voice_id="vc-1", user_id=cu.user.id)
+        uc = MagicMock()
+        uc.execute.return_value = profile
+        cosy = MagicMock()
+        r = SimpleNamespace(audio_url="http://x/a.mp3", duration=1.2, file_size=1000)
+        cosy.synthesize_speech.return_value = r
+        if synth_raises:
+            cosy.synthesize_speech.side_effect = synth_raises
+        svc = MagicMock()
+        svc.deduct_points.return_value = {"success": deduct_success, "balance": balance}
+        fs = MagicMock(points_enabled=True)
+        return db, cu, repo, uc, cosy, svc, fs
+
+    def test_insufficient_raises_402(self):
+        db, cu, repo, uc, cosy, svc, fs = self._setup(deduct_success=False, balance=0)
+        from app.api.routes.voice_clones import get_voice_clone_preview
+
+        with (
+            patch("app.api.routes.voice_clones.GetVoiceCloneUseCase", return_value=uc),
+            patch("app.api.routes.voice_clones.PointsService", return_value=svc),
+            patch("app.api.routes.voice_clones.settings", fs),
+            patch("app.api.routes.voice_clones._clone_preview_cache", {}),
+        ):
+            with pytest.raises(HTTPException) as ei:
+                get_voice_clone_preview(
+                    clone_id="c1",
+                    text="你好",
+                    speed=1.0,
+                    emotion="",
+                    authenticated_user=cu,
+                    db=db,
+                    repository=repo,
+                    cosyvoice=cosy,
+                )
+            assert ei.value.status_code == 402
+
+    def test_synth_cosyvoice_error_refunds_and_raises_502(self):
+        from packages.application.cosyvoice_service import CosyVoiceError
+
+        db, cu, repo, uc, cosy, svc, fs = self._setup(synth_raises=CosyVoiceError("fail"))
+        from app.api.routes.voice_clones import get_voice_clone_preview
+
+        with (
+            patch("app.api.routes.voice_clones.GetVoiceCloneUseCase", return_value=uc),
+            patch("app.api.routes.voice_clones.PointsService", return_value=svc),
+            patch("app.api.routes.voice_clones.settings", fs),
+            patch("app.api.routes.voice_clones._clone_preview_cache", {}),
+        ):
+            with pytest.raises(HTTPException) as ei:
+                get_voice_clone_preview(
+                    clone_id="c1",
+                    text="你好",
+                    speed=1.0,
+                    emotion="",
+                    authenticated_user=cu,
+                    db=db,
+                    repository=repo,
+                    cosyvoice=cosy,
+                )
+            assert ei.value.status_code == 502
+            assert svc.refund_points.called
+
+    def test_success_returns_audio(self):
+        db, cu, repo, uc, cosy, svc, fs = self._setup()
+        from app.api.routes.voice_clones import get_voice_clone_preview
+
+        with (
+            patch("app.api.routes.voice_clones.GetVoiceCloneUseCase", return_value=uc),
+            patch("app.api.routes.voice_clones.PointsService", return_value=svc),
+            patch("app.api.routes.voice_clones.settings", fs),
+            patch("app.api.routes.voice_clones._clone_preview_cache", {}),
+        ):
+            resp = get_voice_clone_preview(
+                clone_id="c1",
+                text="你好",
+                speed=1.0,
+                emotion="",
+                authenticated_user=cu,
+                db=db,
+                repository=repo,
+                cosyvoice=cosy,
+            )
+            svc.deduct_points.assert_called_once()
+            assert resp.audio_url.startswith("http")