feat: add cocker-compose yaml
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398
python_core/database/model_postgres.py
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398
python_core/database/model_postgres.py
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"""
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模特表 PostgreSQL 实现
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"""
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import uuid
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from datetime import datetime
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from typing import List, Optional, Dict, Any
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import psycopg2
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from psycopg2.extras import RealDictCursor
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from python_core.database.types import Model
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from python_core.database.db_postgres import DatabasePostgres
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from python_core.utils.logger import logger
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class ModelTablePostgres(DatabasePostgres):
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"""模特表 PostgreSQL 实现"""
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def __init__(self):
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super().__init__()
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self._init_model_table()
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def _init_model_table(self):
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"""初始化模特表"""
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try:
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with self.get_connection() as conn:
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with conn.cursor() as cursor:
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# 创建模特表
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cursor.execute("""
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CREATE TABLE IF NOT EXISTS models (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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model_number VARCHAR(100) NOT NULL,
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model_image VARCHAR(500) NOT NULL,
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is_active BOOLEAN DEFAULT true,
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is_cloud BOOLEAN DEFAULT false,
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user_id VARCHAR(100) NOT NULL DEFAULT 'default',
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created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(model_number, user_id)
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)
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""")
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# 创建索引
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cursor.execute("""
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CREATE INDEX IF NOT EXISTS idx_models_user_id ON models(user_id)
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""")
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cursor.execute("""
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CREATE INDEX IF NOT EXISTS idx_models_model_number ON models(model_number)
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""")
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cursor.execute("""
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CREATE INDEX IF NOT EXISTS idx_models_is_active ON models(is_active)
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""")
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cursor.execute("""
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CREATE INDEX IF NOT EXISTS idx_models_is_cloud ON models(is_cloud)
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""")
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cursor.execute("""
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CREATE INDEX IF NOT EXISTS idx_models_created_at ON models(created_at)
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""")
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# 创建更新时间触发器
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cursor.execute("""
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CREATE OR REPLACE FUNCTION update_models_updated_at()
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RETURNS TRIGGER AS $$
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BEGIN
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NEW.updated_at = CURRENT_TIMESTAMP;
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RETURN NEW;
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END;
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$$ language 'plpgsql';
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""")
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cursor.execute("""
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DROP TRIGGER IF EXISTS update_models_updated_at_trigger ON models;
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CREATE TRIGGER update_models_updated_at_trigger
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BEFORE UPDATE ON models
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FOR EACH ROW
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EXECUTE FUNCTION update_models_updated_at();
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""")
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conn.commit()
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logger.info("模特表初始化成功")
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except Exception as e:
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logger.error(f"初始化模特表失败: {e}")
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raise
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def _row_to_model(self, row: Dict[str, Any]) -> Model:
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"""将数据库行转换为 Model 对象"""
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return Model(
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id=str(row['id']),
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model_number=row['model_number'],
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model_image=row['model_image'],
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is_active=row['is_active'],
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is_cloud=row['is_cloud'],
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user_id=row['user_id'],
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created_at=row['created_at'].isoformat() if row['created_at'] else '',
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updated_at=row['updated_at'].isoformat() if row['updated_at'] else ''
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)
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def create_model(self, model_number: str, model_image: str, user_id: str = "default",
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is_cloud: bool = False) -> Optional[Model]:
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"""创建模特"""
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try:
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with self.get_connection() as conn:
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with conn.cursor(cursor_factory=RealDictCursor) as cursor:
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cursor.execute("""
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INSERT INTO models (model_number, model_image, user_id, is_cloud)
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VALUES (%s, %s, %s, %s)
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RETURNING *
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""", (model_number, model_image, user_id, is_cloud))
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row = cursor.fetchone()
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conn.commit()
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if row:
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model = self._row_to_model(row)
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logger.info(f"创建模特成功: {model.model_number}")
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return model
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except psycopg2.IntegrityError as e:
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if "unique" in str(e).lower():
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logger.warning(f"模特编号已存在: {model_number}")
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raise ValueError(f"模特编号 '{model_number}' 已存在")
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else:
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logger.error(f"创建模特失败: {e}")
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raise
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except Exception as e:
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logger.error(f"创建模特失败: {e}")
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raise
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return None
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def get_model_by_id(self, model_id: str) -> Optional[Model]:
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"""根据ID获取模特"""
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try:
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with self.get_connection() as conn:
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with conn.cursor(cursor_factory=RealDictCursor) as cursor:
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cursor.execute("""
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SELECT * FROM models WHERE id = %s
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""", (model_id,))
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row = cursor.fetchone()
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if row:
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return self._row_to_model(row)
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except Exception as e:
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logger.error(f"获取模特失败: {e}")
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raise
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return None
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def get_model_by_number(self, model_number: str, user_id: str = "default") -> Optional[Model]:
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"""根据模特编号获取模特"""
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try:
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with self.get_connection() as conn:
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with conn.cursor(cursor_factory=RealDictCursor) as cursor:
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cursor.execute("""
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SELECT * FROM models
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WHERE model_number = %s AND user_id = %s
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""", (model_number, user_id))
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row = cursor.fetchone()
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if row:
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return self._row_to_model(row)
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except Exception as e:
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logger.error(f"获取模特失败: {e}")
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raise
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return None
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def get_all_models(self, user_id: str = "default", include_cloud: bool = True,
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include_inactive: bool = False, limit: int = 100,
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offset: int = 0) -> List[Model]:
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"""获取所有模特"""
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try:
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with self.get_connection() as conn:
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with conn.cursor(cursor_factory=RealDictCursor) as cursor:
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# 构建查询条件
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conditions = []
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params = []
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if include_cloud:
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conditions.append("(user_id = %s OR is_cloud = true)")
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params.append(user_id)
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else:
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conditions.append("user_id = %s")
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params.append(user_id)
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if not include_inactive:
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conditions.append("is_active = true")
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where_clause = " AND ".join(conditions) if conditions else "1=1"
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cursor.execute(f"""
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SELECT * FROM models
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WHERE {where_clause}
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ORDER BY created_at DESC
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LIMIT %s OFFSET %s
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""", params + [limit, offset])
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rows = cursor.fetchall()
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return [self._row_to_model(row) for row in rows]
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except Exception as e:
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logger.error(f"获取模特列表失败: {e}")
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raise
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return []
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def update_model(self, model_id: str, updates: Dict[str, Any]) -> bool:
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"""更新模特"""
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try:
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if not updates:
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return True
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# 允许更新的字段
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allowed_fields = {
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'model_number', 'model_image', 'is_active', 'is_cloud'
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}
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# 过滤允许的字段
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filtered_updates = {k: v for k, v in updates.items() if k in allowed_fields}
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if not filtered_updates:
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logger.warning("没有有效的更新字段")
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return False
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with self.get_connection() as conn:
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with conn.cursor() as cursor:
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# 构建更新语句
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set_clauses = []
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params = []
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for field, value in filtered_updates.items():
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set_clauses.append(f"{field} = %s")
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params.append(value)
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params.append(model_id)
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cursor.execute(f"""
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UPDATE models
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SET {', '.join(set_clauses)}
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WHERE id = %s
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""", params)
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affected_rows = cursor.rowcount
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conn.commit()
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if affected_rows > 0:
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logger.info(f"更新模特成功: {model_id}")
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return True
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else:
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logger.warning(f"模特不存在: {model_id}")
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return False
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except psycopg2.IntegrityError as e:
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if "unique" in str(e).lower():
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logger.warning(f"模特编号已存在")
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raise ValueError("模特编号已存在")
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else:
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logger.error(f"更新模特失败: {e}")
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raise
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except Exception as e:
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logger.error(f"更新模特失败: {e}")
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raise
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def delete_model(self, model_id: str, hard_delete: bool = False) -> bool:
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"""删除模特"""
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try:
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with self.get_connection() as conn:
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with conn.cursor() as cursor:
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if hard_delete:
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# 硬删除
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cursor.execute("""
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DELETE FROM models WHERE id = %s
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""", (model_id,))
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else:
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# 软删除
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cursor.execute("""
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UPDATE models SET is_active = false WHERE id = %s
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""", (model_id,))
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affected_rows = cursor.rowcount
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conn.commit()
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if affected_rows > 0:
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action = "删除" if hard_delete else "禁用"
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logger.info(f"{action}模特成功: {model_id}")
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return True
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else:
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logger.warning(f"模特不存在: {model_id}")
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return False
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except Exception as e:
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logger.error(f"删除模特失败: {e}")
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raise
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def search_models(self, query: str, user_id: str = "default",
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include_cloud: bool = True, limit: int = 50) -> List[Model]:
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"""搜索模特"""
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try:
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with self.get_connection() as conn:
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with conn.cursor(cursor_factory=RealDictCursor) as cursor:
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# 构建查询条件
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conditions = ["is_active = true"]
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params = [f"%{query}%"]
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if include_cloud:
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conditions.append("(user_id = %s OR is_cloud = true)")
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params.append(user_id)
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else:
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conditions.append("user_id = %s")
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params.append(user_id)
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params.append(limit)
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where_clause = " AND ".join(conditions)
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cursor.execute(f"""
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SELECT * FROM models
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WHERE model_number ILIKE %s AND {where_clause}
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ORDER BY
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CASE WHEN model_number ILIKE %s THEN 1 ELSE 2 END,
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created_at DESC
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LIMIT %s
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""", [f"%{query}%"] + params)
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rows = cursor.fetchall()
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return [self._row_to_model(row) for row in rows]
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except Exception as e:
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logger.error(f"搜索模特失败: {e}")
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raise
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return []
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def get_model_count(self, user_id: str = "default", include_cloud: bool = True,
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include_inactive: bool = False) -> int:
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"""获取模特数量"""
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try:
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with self.get_connection() as conn:
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with conn.cursor() as cursor:
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# 构建查询条件
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conditions = []
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params = []
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if include_cloud:
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conditions.append("(user_id = %s OR is_cloud = true)")
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params.append(user_id)
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else:
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conditions.append("user_id = %s")
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params.append(user_id)
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if not include_inactive:
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conditions.append("is_active = true")
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where_clause = " AND ".join(conditions) if conditions else "1=1"
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cursor.execute(f"""
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SELECT COUNT(*) FROM models WHERE {where_clause}
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""", params)
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result = cursor.fetchone()
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return result[0] if result else 0
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except Exception as e:
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logger.error(f"获取模特数量失败: {e}")
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raise
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return 0
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def toggle_model_status(self, model_id: str) -> bool:
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"""切换模特状态"""
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try:
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with self.get_connection() as conn:
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with conn.cursor() as cursor:
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cursor.execute("""
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UPDATE models
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SET is_active = NOT is_active
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WHERE id = %s
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""", (model_id,))
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affected_rows = cursor.rowcount
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conn.commit()
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if affected_rows > 0:
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logger.info(f"切换模特状态成功: {model_id}")
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return True
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else:
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logger.warning(f"模特不存在: {model_id}")
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return False
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except Exception as e:
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logger.error(f"切换模特状态失败: {e}")
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raise
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# 创建全局实例
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model_table = ModelTablePostgres()
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