databases.py 8.7 KB

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  1. from networkx.algorithms.components import connected
  2. from sqlmodel import Field, Session, SQLModel, create_engine, select
  3. from typing import Dict
  4. from datetime import datetime
  5. from typing import Optional
  6. import json
  7. from sqlalchemy import and_, desc, asc
  8. from utils.utils_func import check_path
  9. from sqlalchemy.dialects import sqlite
  10. from model import DeviceConfig, PhotoRecord, SysConfigs, DeviceConfigTabs
  11. check_path("C:/Zhihuiyin")
  12. # 创建SQLite数据库引擎
  13. sqlite_file_name = "C:/Zhihuiyin/database.db"
  14. sqlite_url = f"sqlite:///{sqlite_file_name}"
  15. engine = create_engine(
  16. sqlite_url,
  17. echo=False,
  18. connect_args={"check_same_thread": False}, # 允许多线程访问
  19. pool_size=10,
  20. max_overflow=20,
  21. pool_timeout=30,
  22. pool_recycle=1800,
  23. )
  24. # 创建表
  25. def create_all_database():
  26. SQLModel.metadata.create_all(engine)
  27. # 创建会话
  28. def __get_session():
  29. with Session(engine) as session:
  30. try:
  31. yield session
  32. finally:
  33. session.close()
  34. # 创建一个通用的 CRUD 类
  35. class CRUD:
  36. def __init__(self, model):
  37. self.model = model
  38. def create(self, session: Session, obj_in):
  39. obj_in_data = dict(obj_in)
  40. db_obj = self.model(**obj_in_data)
  41. session.add(db_obj)
  42. session.commit()
  43. session.refresh(db_obj)
  44. return db_obj
  45. def read(
  46. self,
  47. session: Session,
  48. conditions: Optional[Dict] = None,
  49. order_by: Optional[str] = None,
  50. ascending: bool = True,
  51. ):
  52. query = select(self.model)
  53. if conditions:
  54. query = query.where(
  55. and_(
  56. *(
  57. getattr(self.model, key) == value
  58. for key, value in conditions.items()
  59. )
  60. )
  61. )
  62. if order_by:
  63. if ascending:
  64. query = query.order_by(asc(getattr(self.model, order_by)))
  65. else:
  66. query = query.order_by(desc(getattr(self.model, order_by)))
  67. data = session.exec(query).first()
  68. return data
  69. def read_all(
  70. self,
  71. session: Session,
  72. conditions: Optional[Dict] = None,
  73. order_by: Optional[str] = None,
  74. ascending: bool = True,
  75. join_conditions: Optional[list] = None, # 新增:支持多个JOIN
  76. ):
  77. query = select(self.model)
  78. # 处理JOIN逻辑
  79. if join_conditions:
  80. for join_info in join_conditions:
  81. joined_model = join_info.get("model")
  82. on_clause = join_info.get("on")
  83. is_outer = join_info.get("is_outer", False)
  84. if not joined_model or not on_clause:
  85. continue
  86. if is_outer:
  87. query = query.outerjoin(joined_model, on_clause)
  88. else:
  89. query = query.join(joined_model, on_clause)
  90. if conditions:
  91. for key, value in conditions.items():
  92. column = getattr(self.model, key)
  93. if isinstance(value, list):
  94. # 如果值是列表,使用 IN 查询
  95. query = query.where(column.in_(value))
  96. else:
  97. # 否则使用等于条件
  98. query = query.where(column == value)
  99. if order_by:
  100. if ascending:
  101. query = query.order_by(asc(getattr(self.model, order_by)))
  102. else:
  103. query = query.order_by(desc(getattr(self.model, order_by)))
  104. data = session.exec(query).all()
  105. return data
  106. def update(self, session: Session, obj_id: int, **kwargs):
  107. db_obj = session.get(self.model, obj_id)
  108. for key, value in kwargs.items():
  109. setattr(db_obj, key, value)
  110. session.commit()
  111. session.refresh(db_obj)
  112. return db_obj
  113. def deleteConditions(
  114. self,
  115. session: Session,
  116. conditions: Optional[Dict] = None,
  117. ):
  118. query = select(self.model)
  119. if conditions == None:
  120. return False
  121. query = query.where(
  122. and_(
  123. *(
  124. getattr(self.model, key) == value
  125. for key, value in conditions.items()
  126. )
  127. )
  128. )
  129. objects_to_delete = session.exec(query).all()
  130. for obj in objects_to_delete:
  131. session.delete(obj)
  132. session.commit()
  133. # session.refresh()
  134. return True
  135. def delete(self, session: Session, obj_id: int):
  136. db_obj = session.get(self.model, obj_id)
  137. session.delete(db_obj)
  138. session.commit()
  139. # session.refresh()
  140. # 恢复 updateConditions 方法
  141. def updateConditions(self, session: Session, conditions: Dict, **kwargs):
  142. """
  143. 根据条件更新记录
  144. :param session: 数据库会话
  145. :param conditions: 更新条件字典
  146. :param kwargs: 需要更新的字段和值
  147. :return: 更新后的对象
  148. """
  149. query = select(self.model).where(
  150. and_(
  151. *(
  152. getattr(self.model, key) == value
  153. for key, value in conditions.items()
  154. )
  155. )
  156. )
  157. result = session.exec(query).first()
  158. if result:
  159. for key, value in kwargs.items():
  160. setattr(result, key, value)
  161. session.commit() # 提交事务以保存更改
  162. return result
  163. return None
  164. # 批量插入数据到设备配置表
  165. def batch_insert_device_configs(session: Session, action_tabs: list, data_list: list):
  166. """批量插入数据到设备配置表"""
  167. for idx, tab in enumerate(action_tabs):
  168. crud = CRUD(DeviceConfigTabs)
  169. device_tab = DeviceConfigTabs(
  170. mode_type=tab.get("mode_type"),
  171. mode_name=tab.get("mode_name"),
  172. )
  173. create_obj = crud.create(session, obj_in=device_tab)
  174. for data in data_list:
  175. data["tab_id"] = create_obj.id
  176. data["is_system"] = False
  177. if idx in [0, 6]:
  178. data["is_system"] = True
  179. device_config = DeviceConfig(**data)
  180. session.add(device_config)
  181. session.commit() # 合并事务提交
  182. # 批量插入系统配置
  183. def batch_insert_sys_configs(session: Session, data_list: list):
  184. """批量插入数据到设备配置表"""
  185. for data in data_list:
  186. config = SysConfigs(**data)
  187. session.add(config)
  188. session.commit() # 合并事务提交
  189. # 插入照片记录
  190. async def insert_photo_records(
  191. image_deal_mode: int, goods_art_no: str, image_index: int, action_id: int
  192. ):
  193. with SqlQuery() as session: # 使用上下文管理器复用会话
  194. """批量插入数据到照片记录"""
  195. data = {
  196. "image_deal_mode": image_deal_mode,
  197. "goods_art_no": goods_art_no,
  198. "image_index": image_index,
  199. "action_id": action_id,
  200. }
  201. device_config = PhotoRecord(**data)
  202. session.add(device_config)
  203. session.commit()
  204. session.refresh(device_config)
  205. record_id = device_config.id
  206. return True, record_id
  207. def SqlQuery():
  208. return next(__get_session())
  209. # 使用示例
  210. if __name__ == "__main__":
  211. pass
  212. # 使用 next 函数从生成器中获取 Session 对象
  213. # session = SqlQuery()
  214. # 创建 CRUD 实例
  215. # device_config_crud = CRUD(DeviceConfig)
  216. # 创建新记录
  217. # new_device_config = DeviceConfig(
  218. # mode_type="example_mode",
  219. # execution_type="example_execution",
  220. # action_name="example_action",
  221. # action_index=1,
  222. # picture_index=1,
  223. # camera_height=100,
  224. # camera_angle=45.5,
  225. # number_focus=2,
  226. # take_picture=True,
  227. # turntable_position=10.0,
  228. # turntable_angle=30.5,
  229. # shoe_upturn=False,
  230. # pre_delay=1.5,
  231. # after_delay=2.5,
  232. # led_switch=True,
  233. # is_wait=False,
  234. # )
  235. # created_device_config = device_config_crud.create(session, new_device_config)
  236. # print(f"Created Device Config: {created_device_config}")
  237. # 读取记录
  238. # read_device = device_config_crud.read(session, 1)
  239. # print(f"Read Device Config: {read_device.model_dump()}")
  240. # 读取所有记录
  241. # all_devices = device_config_crud.read_all(session, conditions={"id": 2})
  242. # print(f"All Device Configs: {[device.model_dump() for device in all_devices]}")
  243. # # 更新记录
  244. # updated_device = device_config_crud.update(
  245. # session, created_device_config.id, mode_type="updated_mode"
  246. # )
  247. # print(f"Updated Device Config: {updated_device}")
  248. # # 删除记录
  249. # device_config_crud.delete(session, created_device_config.id)
  250. # print("Device Config deleted.")