# ERP Integration Analysis
## Overview
Based on DDC methodology (Chapter 1.2), this skill analyzes ERP system integration patterns in construction organizations, mapping data flows between modules and identifying optimization opportunities.
**Book Reference:** "Технологии и системы управления в современном строительстве" / "Technologies and Management Systems in Modern Construction"
## Quick Start
```python
from dataclasses import dataclass, field
from enum import Enum
from typing import List, Dict, Optional, Set, Tuple
from datetime import datetime
import json
class ERPModule(Enum):
"""Common ERP modules in construction"""
FINANCE = "finance"
PROJECT_MANAGEMENT = "project_management"
PROCUREMENT = "procurement"
INVENTORY = "inventory"
HR = "human_resources"
PAYROLL = "payroll"
EQUIPMENT = "equipment"
SUBCONTRACTS = "subcontracts"
BILLING = "billing"
COST_CONTROL = "cost_control"
DOCUMENT_MANAGEMENT = "document_management"
REPORTING = "reporting"
class IntegrationMethod(Enum):
"""Types of integration methods"""
API = "api"
DATABASE = "database"
FILE_EXPORT = "file_export"
MANUAL = "manual"
WEBHOOK = "webhook"
MESSAGE_QUEUE = "message_queue"
ETL = "etl"
class DataFlowDirection(Enum):
"""Direction of data flow"""
INBOUND = "inbound"
OUTBOUND = "outbound"
BIDIRECTIONAL = "bidirectional"
@dataclass
class DataFlow:
"""Represents a data flow between systems/modules"""
source_module: str
target_module: str
data_type: str
frequency: str # real-time, hourly, daily, weekly, manual
method: IntegrationMethod
direction: DataFlowDirection
volume: str # low, medium, high
critical: bool = False
issues: List[str] = field(default_factory=list)
@dataclass
class ERPSystem:
"""ERP system definition"""
name: str
vendor: str
version: str
modules: List[ER...