142 lines
4.9 KiB
Python
142 lines
4.9 KiB
Python
"""
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shared/messaging/events.py
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Event definitions for microservices communication
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"""
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from datetime import datetime, timezone
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from typing import Dict, Any, Optional
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import uuid
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class BaseEvent:
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"""Base event class - FIXED"""
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def __init__(self, service_name: str, data: Dict[str, Any], event_type: str = "", correlation_id: Optional[str] = None):
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self.service_name = service_name
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self.data = data
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self.event_type = event_type
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self.event_id = str(uuid.uuid4())
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self.timestamp = datetime.now(timezone.utc)
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self.correlation_id = correlation_id
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def to_dict(self) -> Dict[str, Any]:
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"""Converts the event object to a dictionary for JSON serialization - FIXED"""
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return {
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"service_name": self.service_name,
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"data": self.data,
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"event_type": self.event_type,
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"event_id": self.event_id,
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"timestamp": self.timestamp.isoformat(), # Convert datetime to ISO string
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"correlation_id": self.correlation_id
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}
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# Auth Events - FIXED
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class UserRegisteredEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="user.registered",
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correlation_id=correlation_id
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)
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class UserLoginEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="user.login",
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correlation_id=correlation_id
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)
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class UserLogoutEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="user.logout",
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correlation_id=correlation_id
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)
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# Training Events
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class TrainingStartedEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="training.started",
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correlation_id=correlation_id
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)
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class TrainingCompletedEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="training.completed",
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correlation_id=correlation_id
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)
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class TrainingFailedEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="training.failed",
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correlation_id=correlation_id
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)
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# Forecasting Events
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class ForecastGeneratedEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="forecast.generated",
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correlation_id=correlation_id
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)
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# Data Events
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class DataImportedEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="data.imported",
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correlation_id=correlation_id
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)
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# Procurement Events
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class PurchaseOrderApprovedEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="po.approved",
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correlation_id=correlation_id
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)
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class PurchaseOrderRejectedEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="po.rejected",
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correlation_id=correlation_id
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)
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class PurchaseOrderSentToSupplierEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="po.sent_to_supplier",
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correlation_id=correlation_id
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)
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class DeliveryReceivedEvent(BaseEvent):
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def __init__(self, service_name: str, data: Dict[str, Any], correlation_id: Optional[str] = None):
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super().__init__(
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service_name=service_name,
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data=data,
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event_type="delivery.received",
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correlation_id=correlation_id
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)
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