init commit

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

qwen3-tts-backend/db/models.py

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+from datetime import datetime
+from enum import Enum
+from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey, Text, Index, JSON
+from sqlalchemy.orm import relationship
+
+from db.database import Base
+
+class JobStatus(str, Enum):
+    PENDING = "pending"
+    PROCESSING = "processing"
+    COMPLETED = "completed"
+    FAILED = "failed"
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    username = Column(String(50), unique=True, nullable=False, index=True)
+    email = Column(String(255), unique=True, nullable=False, index=True)
+    hashed_password = Column(String(255), nullable=False)
+    is_active = Column(Boolean, default=True, nullable=False)
+    is_superuser = Column(Boolean, default=False, nullable=False)
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
+
+    jobs = relationship("Job", back_populates="user", cascade="all, delete-orphan")
+    voice_caches = relationship("VoiceCache", back_populates="user", cascade="all, delete-orphan")
+
+class Job(Base):
+    __tablename__ = "jobs"
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
+    job_type = Column(String(50), nullable=False)
+    status = Column(String(50), default="pending", nullable=False, index=True)
+    input_data = Column(Text, nullable=True)
+    input_params = Column(JSON, nullable=True)
+    output_path = Column(String(500), nullable=True)
+    error_message = Column(Text, nullable=True)
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False, index=True)
+    started_at = Column(DateTime, nullable=True)
+    completed_at = Column(DateTime, nullable=True)
+
+    user = relationship("User", back_populates="jobs")
+
+    __table_args__ = (
+        Index('idx_user_status', 'user_id', 'status'),
+        Index('idx_user_created', 'user_id', 'created_at'),
+    )
+
+class VoiceCache(Base):
+    __tablename__ = "voice_caches"
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
+    ref_audio_hash = Column(String(64), nullable=False, index=True)
+    cache_path = Column(String(500), nullable=False)
+    meta_data = Column(Text, nullable=True)
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    last_accessed = Column(DateTime, default=datetime.utcnow, nullable=False, index=True)
+    access_count = Column(Integer, default=0, nullable=False)
+
+    user = relationship("User", back_populates="voice_caches")
+
+    __table_args__ = (
+        Index('idx_user_hash', 'user_id', 'ref_audio_hash'),
+    )