Initial commit: 000-platform project skeleton

backend/app/models/__init__.py

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+"""数据模型"""
+from .tenant import Tenant, Subscription, Config
+from .stats import AICallEvent, TenantUsageDaily
+from .logs import PlatformLog
+
+__all__ = [
+    "Tenant",
+    "Subscription", 
+    "Config",
+    "AICallEvent",
+    "TenantUsageDaily",
+    "PlatformLog"
+]

backend/app/models/logs.py

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+"""日志相关模型"""
+from datetime import datetime
+from sqlalchemy import Column, BigInteger, String, Integer, Text, JSON, Enum, TIMESTAMP
+from ..database import Base
+
+
+class PlatformLog(Base):
+    """统一日志表"""
+    __tablename__ = "platform_logs"
+    
+    id = Column(BigInteger, primary_key=True, autoincrement=True)
+    trace_id = Column(String(36))
+    tenant_id = Column(BigInteger)
+    user_id = Column(BigInteger)
+    app_code = Column(String(50), nullable=False)
+    log_type = Column(Enum('request', 'error', 'app', 'biz', 'audit'), nullable=False)
+    level = Column(Enum('debug', 'info', 'warn', 'error', 'fatal'), default='info')
+    category = Column(String(100))
+    message = Column(Text, nullable=False)
+    context = Column(JSON)
+    method = Column(String(10))
+    path = Column(String(500))
+    status_code = Column(Integer)
+    duration_ms = Column(Integer)
+    error_type = Column(String(100))
+    stack_trace = Column(Text)
+    action = Column(String(100))
+    target_type = Column(String(50))
+    target_id = Column(String(100))
+    log_time = Column(TIMESTAMP, nullable=False)
+    created_at = Column(TIMESTAMP, default=datetime.now)

backend/app/models/stats.py

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+"""统计相关模型"""
+from datetime import datetime, date
+from decimal import Decimal
+from sqlalchemy import Column, BigInteger, String, Integer, Date, DECIMAL, TIMESTAMP
+from ..database import Base
+
+
+class AICallEvent(Base):
+    """AI调用明细"""
+    __tablename__ = "platform_ai_call_events"
+    
+    id = Column(BigInteger, primary_key=True, autoincrement=True)
+    tenant_id = Column(BigInteger, nullable=False)
+    user_id = Column(BigInteger)
+    app_code = Column(String(50), nullable=False)
+    module_code = Column(String(50), nullable=False)
+    trace_id = Column(String(36))
+    prompt_name = Column(String(100), nullable=False)
+    model = Column(String(100), nullable=False)
+    input_tokens = Column(Integer, default=0)
+    output_tokens = Column(Integer, default=0)
+    cost = Column(DECIMAL(10, 6), default=0)
+    latency_ms = Column(Integer, default=0)
+    status = Column(String(20), default='success')
+    event_time = Column(TIMESTAMP, nullable=False)
+    created_at = Column(TIMESTAMP, default=datetime.now)
+
+
+class TenantUsageDaily(Base):
+    """租户日用量汇总"""
+    __tablename__ = "platform_tenant_usage_daily"
+    
+    id = Column(BigInteger, primary_key=True, autoincrement=True)
+    tenant_id = Column(BigInteger, nullable=False)
+    app_code = Column(String(50), nullable=False)
+    stat_date = Column(Date, nullable=False)
+    ai_calls = Column(Integer, default=0)
+    ai_tokens = Column(BigInteger, default=0)
+    ai_cost = Column(DECIMAL(10, 4), default=0)
+    created_at = Column(TIMESTAMP, default=datetime.now)
+    updated_at = Column(TIMESTAMP, default=datetime.now, onupdate=datetime.now)

backend/app/models/tenant.py

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+"""租户相关模型"""
+from datetime import datetime, date
+from sqlalchemy import Column, BigInteger, String, Enum, Date, Text, Boolean, JSON, TIMESTAMP
+from ..database import Base
+
+
+class Tenant(Base):
+    """租户表"""
+    __tablename__ = "platform_tenants"
+    
+    id = Column(BigInteger, primary_key=True, autoincrement=True)
+    code = Column(String(50), unique=True, nullable=False)
+    name = Column(String(100), nullable=False)
+    contact_info = Column(JSON)
+    status = Column(Enum('active', 'expired', 'trial'), default='active')
+    expired_at = Column(Date)
+    created_at = Column(TIMESTAMP, default=datetime.now)
+    updated_at = Column(TIMESTAMP, default=datetime.now, onupdate=datetime.now)
+
+
+class Subscription(Base):
+    """订阅表"""
+    __tablename__ = "platform_subscriptions"
+    
+    id = Column(BigInteger, primary_key=True, autoincrement=True)
+    tenant_id = Column(BigInteger, nullable=False)
+    app_code = Column(String(50), nullable=False)
+    start_date = Column(Date)
+    end_date = Column(Date)
+    quota = Column(JSON)
+    status = Column(Enum('active', 'expired'), default='active')
+    created_at = Column(TIMESTAMP, default=datetime.now)
+    updated_at = Column(TIMESTAMP, default=datetime.now, onupdate=datetime.now)
+
+
+class Config(Base):
+    """配置表"""
+    __tablename__ = "platform_configs"
+    
+    id = Column(BigInteger, primary_key=True, autoincrement=True)
+    tenant_id = Column(BigInteger, nullable=False)
+    config_type = Column(String(50), nullable=False)
+    config_key = Column(String(100), nullable=False)
+    config_value = Column(Text)
+    is_encrypted = Column(Boolean, default=False)
+    created_at = Column(TIMESTAMP, default=datetime.now)
+    updated_at = Column(TIMESTAMP, default=datetime.now, onupdate=datetime.now)