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vue-fastapi-admin/app/controllers/automation/scenario.py
T
2026-06-25 17:41:06 +08:00

222 lines
9.6 KiB
Python

# app/controllers/automation.py
from typing import List, Optional, Tuple, Dict, Any
from app.core.crud import CRUDBase
from app.models.automation import Scenario, ScenarioTriggerIndex, ScenarioScope
from app.schemas.automation import ScenarioCreate, ScenarioUpdate
from app.utils.event_task import event_manager
import logging
logger = logging.getLogger(__name__)
class ScenarioController(CRUDBase[Scenario, ScenarioCreate, ScenarioUpdate]):
def __init__(self):
super().__init__(model=Scenario)
async def update_trigger_index(self, scenario: Scenario, user_id: str) -> Scenario:
"""更新场景"""
add_list = []
event_set = set()
for condition in scenario.trigger.get('conditions') or []:
event_name = condition.get('event_name', '')
if event_name and event_name in event_set:
continue
event_set.add(event_name)
orm = ScenarioTriggerIndex(
owner_user_id=user_id,
scenario_id=scenario.id,
is_global=scenario.is_global,
event_name=condition.get('event_name', ''),
enabled=condition.get('enabled', True),
scope=condition.get('scope', ScenarioScope.PERSONAL),
)
add_list.append(orm)
if add_list:
await ScenarioTriggerIndex.bulk_create(add_list)
return True
return False
async def new_scenario(self, scenario_in: ScenarioCreate, user_id: str) -> Scenario:
"""创建新场景"""
obj = await self.create(scenario_in)
# 更新触发条件
if obj.trigger:
await self.update_trigger_index(obj, user_id)
return obj
async def update_scenario(self, scenario_in: ScenarioUpdate, user_id: str) -> Scenario:
"""更新场景"""
obj = await self.update(id=scenario_in.id, obj_in=scenario_in)
# 更新触发条件
if obj.trigger:
await ScenarioTriggerIndex.filter(scenario_id=obj.id).delete()
await self.update_trigger_index(obj, user_id)
return obj
async def remove_scenario(self, scenario_id: int) -> None:
"""删除场景"""
await self.model.filter(id=scenario_id).delete()
await ScenarioTriggerIndex.filter(scenario_id=scenario_id).delete()
return True
async def list_automation_events(self) -> List[Dict[str, Any]]:
"""获取所有自动化事件"""
return [a for a in event_manager.automation_event_handlers if a.get("automation_event")]
async def get_global_scenarios(self, enabled: bool = True) -> List[Scenario]:
"""获取所有启用的全局场景"""
return await self.model.filter(is_global=True, enabled=enabled).all()
async def get_user_scenarios(self, user_id: str, enabled: bool = True) -> List[Scenario]:
"""获取某用户的启用个人场景"""
return await self.model.filter(owner_user_id=user_id, is_global=False, enabled=enabled).all()
async def get_applicable_scenarios(self, user_id: str, enabled: bool = True) -> List[Scenario]:
"""获取对某用户生效的所有场景(全局 + 个人)"""
global_scenarios = await self.get_global_scenarios(enabled=enabled)
personal_scenarios = await self.get_user_scenarios(user_id, enabled=enabled)
return global_scenarios + personal_scenarios
class AutomationScenarioController(ScenarioController):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
async def find_active_scenarios(self, event_name: str, event_data: Dict[str, Any]) -> List[Scenario]:
"""查找所有实际激活的场景配置"""
scenario_index_list = await ScenarioTriggerIndex.filter(enabled=True, event_name=event_name).all()
scenario_list = []
if scenario_index_list:
scenario_list = await self.model.filter(id__in=[s.scenario_id for s in scenario_index_list]).all()
logger.info(f'find_active_scenarios: {len(scenario_list)}')
active_scenarios = []
for scenario in scenario_list:
result, reason = await self.check_is_applicable(scenario, event_data)
if result:
active_scenarios.append((scenario, reason))
return active_scenarios
async def check_is_applicable(self, scenario: Scenario, event_data: Dict[str, Any]) -> tuple[bool, str]:
"""检查场景是否适用于当前事件"""
trigger = scenario.trigger
# 如果没有条件,默认返回True,即只要事件发生就会激活场景
if not trigger or not trigger.get('conditions'):
logger.info(f'scenario {scenario.id} trigger without conditions, always return True')
return True, '没有设置具体的触发条件,事件发生就激活场景'
logic = trigger.get('logic', 'and')
conditions = trigger.get('conditions', [])
if logic == 'or':
for condition in conditions:
condition = condition.get('condition', {})
result, reason = self.check_condition(condition, event_data)
if result:
logger.info(f'scenario {scenario.id} trigger condition {condition} return True, reason: {reason}')
return True, reason
return False, '所有触发条件都不满足'
elif logic == 'and':
reason_list = []
for condition in conditions:
condition = condition.get('condition', {})
result, reason = self.check_condition(condition, event_data)
if not result:
logger.info(f'scenario {scenario.id} trigger condition {condition} return False, reason: {reason}')
return False, f'触发条件 {condition} 不满足, 原因: {reason}'
else:
reason_list.append(reason)
return True, f'{", ".join(reason_list)}'
raise ValueError(f"Invalid logic operator: {logic}")
def check_condition(self, condition: Dict[str, Any], event_data: Dict[str, Any]) -> tuple[bool, str]:
"""检查单个条件是否满足"""
def find_field_val(field: str, event_data: Dict[str, Any]) -> Any:
"""递归查找字段值"""
if '.' in field:
parts = field.split('.')
current = event_data
for part in parts:
if isinstance(current, list):
# current = current[int(part)]
result = []
for item in current:
# find_field_val
field_val = find_field_val(part, item)
if field_val is not None:
result.append(field_val)
return result
elif isinstance(current, dict):
current = current.get(part, None)
else:
return None
return current
return event_data.get(field, None)
if not condition or not condition.get('field', ''):
logger.error(f'scenario check_condition: field is empty, 当做无效条件处理')
return True, '没有设置具体的触发条件,事件发生就激活场景'
field = condition.get('field', '')
value = condition.get('value', '')
operator = condition.get('operator', '')
field_val = find_field_val(field, event_data)
if field_val is None:
logger.error(f'scenario check_condition: field {field} value is None, event_data: {event_data}')
return False, f'触发条件 {condition} 字段 {field} 不存在'
# 字符串比较
if operator in ['contains', 'not_contains']:
# if not isinstance(field_val, str):
# return False, f'字段 {field} 不是字符串类型'
if operator == 'contains' and value in field_val:
return True, f'字段 {field} 包含 {value}'
if operator == 'not_contains' and value not in field_val:
return True, f'字段 {field} 不包含 {value}'
return False, f'字段 {field} 不满足 {operator} {value}'
# 数字、时间比较
if operator in ['gt', 'gte', 'lt', 'lte', 'eq', 'ne']:
if not isinstance(field_val, (int, float, str)):
return False, f'字段 {field} 不是数字或时间类型'
try:
field_val = float(field_val)
value = float(value)
except ValueError:
return False, f'字段 {field} 不是数字或时间类型'
if operator == 'gt' and field_val > value:
return True, f'字段 {field} 大于 {value}'
if operator == 'gte' and field_val >= value:
return True, f'字段 {field} 大于等于 {value}'
if operator == 'lt' and field_val < value:
return True, f'字段 {field} 小于 {value}'
if operator == 'lte' and field_val <= value:
return True, f'字段 {field} 小于等于 {value}'
if operator == 'eq' and field_val == value:
return True, f'字段 {field} 等于 {value}'
if operator == 'ne' and field_val != value:
return True, f'字段 {field} 不等于 {value}'
return False, f'字段 {field} 不满足 {operator} {value}'
automation_scenario_controller = AutomationScenarioController()