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"""
Portal da Transparência Integration Service
Real-time data fetching from Brazilian government transparency portal
"""
import asyncio
from typing import Dict, List, Optional, Any
from datetime import datetime, date, timedelta
import httpx
from urllib.parse import urlencode
from src.core import get_logger
from src.core.config import settings
from src.core.exceptions import TransparencyAPIError
from src.services.cache_service import CacheService
logger = get_logger(__name__)
class PortalTransparenciaService:
"""Service for fetching real data from Portal da Transparência."""
BASE_URL = "https://api.portaldatransparencia.gov.br/api-de-dados"
# API Endpoints
ENDPOINTS = {
"contratos": "/contratos",
"licitacoes": "/licitacoes",
"convenios": "/convenios",
"despesas": "/despesas",
"servidores": "/servidores",
"viagens": "/viagens",
"cartoes": "/cartoes",
"fornecedores": "/fornecedores",
"orgaos": "/orgaos",
"emendas": "/emendas-parlamentares"
}
def __init__(self):
"""Initialize the Portal da Transparência service."""
self.api_key = getattr(settings, "transparency_api_key", None)
if self.api_key:
self.api_key = self.api_key.get_secret_value() if hasattr(self.api_key, 'get_secret_value') else self.api_key
self.cache = CacheService()
self.client = None
self._initialize_client()
def _initialize_client(self):
"""Initialize HTTP client with proper headers."""
headers = {
"Accept": "application/json",
"User-Agent": "CidadaoAI/1.0 (https://cidadao.ai)"
}
if self.api_key:
headers["chave-api-dados"] = self.api_key
self.client = httpx.AsyncClient(
base_url=self.BASE_URL,
headers=headers,
timeout=30.0,
limits=httpx.Limits(max_keepalive_connections=10)
)
async def search_contracts(
self,
orgao: Optional[str] = None,
cnpj_fornecedor: Optional[str] = None,
data_inicial: Optional[date] = None,
data_final: Optional[date] = None,
valor_minimo: Optional[float] = None,
valor_maximo: Optional[float] = None,
situacao: Optional[str] = None,
modalidade: Optional[str] = None,
page: int = 1,
size: int = 100
) -> Dict[str, Any]:
"""
Search government contracts with filters.
Args:
orgao: Government agency code
cnpj_fornecedor: Supplier CNPJ
data_inicial: Start date
data_final: End date
valor_minimo: Minimum value
valor_maximo: Maximum value
situacao: Contract status
modalidade: Contract modality
page: Page number
size: Page size
Returns:
Dict with contracts data and metadata
"""
# Build query parameters
params = {
"pagina": page,
"tamanhoPagina": min(size, 500) # API limit
}
if orgao:
params["codigoOrgao"] = orgao
if cnpj_fornecedor:
params["cnpjFornecedor"] = cnpj_fornecedor
if data_inicial:
params["dataInicial"] = data_inicial.strftime("%d/%m/%Y")
if data_final:
params["dataFinal"] = data_final.strftime("%d/%m/%Y")
if valor_minimo:
params["valorMinimo"] = valor_minimo
if valor_maximo:
params["valorMaximo"] = valor_maximo
if situacao:
params["situacao"] = situacao
if modalidade:
params["modalidadeCompra"] = modalidade
# Check cache
cache_key = f"contracts:{urlencode(params)}"
cached = await self.cache.get(cache_key)
if cached:
logger.info("Returning cached contracts data")
return cached
# Demo mode if no API key
if not self.api_key:
logger.warning("No API key configured - returning demo data")
return self._get_demo_contracts(params)
try:
response = await self.client.get(
self.ENDPOINTS["contratos"],
params=params
)
response.raise_for_status()
data = response.json()
# Process and enrich data
result = {
"contratos": data.get("resultado", []),
"total": data.get("quantidadeTotal", 0),
"pagina": page,
"tamanho_pagina": size,
"timestamp": datetime.utcnow().isoformat()
}
# Cache for 1 hour
await self.cache.set(cache_key, result, ttl=3600)
logger.info(f"Fetched {len(result['contratos'])} contracts from Portal da Transparência")
return result
except httpx.HTTPStatusError as e:
if e.response.status_code == 401:
logger.error("Invalid API key for Portal da Transparência")
raise TransparencyAPIError("Invalid API key")
elif e.response.status_code == 429:
logger.warning("Rate limit exceeded for Portal da Transparência")
raise TransparencyAPIError("Rate limit exceeded")
else:
logger.error(f"HTTP error from Portal da Transparência: {e}")
raise TransparencyAPIError(f"API error: {e.response.status_code}")
except Exception as e:
logger.error(f"Error fetching contracts: {e}")
raise TransparencyAPIError(f"Failed to fetch contracts: {str(e)}")
async def search_biddings(
self,
orgao: Optional[str] = None,
modalidade: Optional[str] = None,
situacao: Optional[str] = None,
data_inicial: Optional[date] = None,
data_final: Optional[date] = None,
page: int = 1,
size: int = 100
) -> Dict[str, Any]:
"""Search government biddings (licitações)."""
params = {
"pagina": page,
"tamanhoPagina": min(size, 500)
}
if orgao:
params["codigoOrgao"] = orgao
if modalidade:
params["modalidadeLicitacao"] = modalidade
if situacao:
params["situacao"] = situacao
if data_inicial:
params["dataInicial"] = data_inicial.strftime("%d/%m/%Y")
if data_final:
params["dataFinal"] = data_final.strftime("%d/%m/%Y")
try:
response = await self.client.get(
self.ENDPOINTS["licitacoes"],
params=params
)
response.raise_for_status()
data = response.json()
return {
"licitacoes": data.get("resultado", []),
"total": data.get("quantidadeTotal", 0),
"pagina": page,
"tamanho_pagina": size,
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error fetching biddings: {e}")
raise TransparencyAPIError(f"Failed to fetch biddings: {str(e)}")
async def search_expenses(
self,
orgao: Optional[str] = None,
favorecido: Optional[str] = None,
elemento_despesa: Optional[str] = None,
mes_ano: Optional[str] = None, # MM/AAAA
page: int = 1,
size: int = 100
) -> Dict[str, Any]:
"""Search government expenses."""
params = {
"pagina": page,
"tamanhoPagina": min(size, 500)
}
if orgao:
params["codigoOrgao"] = orgao
if favorecido:
params["nomeFavorecido"] = favorecido
if elemento_despesa:
params["codigoElementoDespesa"] = elemento_despesa
if mes_ano:
params["mesAno"] = mes_ano
try:
response = await self.client.get(
self.ENDPOINTS["despesas"],
params=params
)
response.raise_for_status()
data = response.json()
return {
"despesas": data.get("resultado", []),
"total": data.get("quantidadeTotal", 0),
"pagina": page,
"tamanho_pagina": size,
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error fetching expenses: {e}")
raise TransparencyAPIError(f"Failed to fetch expenses: {str(e)}")
async def search_public_servants(
self,
nome: Optional[str] = None,
cpf: Optional[str] = None,
orgao: Optional[str] = None,
cargo: Optional[str] = None,
page: int = 1,
size: int = 100
) -> Dict[str, Any]:
"""Search public servants information."""
params = {
"pagina": page,
"tamanhoPagina": min(size, 500)
}
if nome:
params["nome"] = nome
if cpf:
params["cpf"] = cpf
if orgao:
params["codigoOrgaoLotacao"] = orgao
if cargo:
params["descricaoCargo"] = cargo
try:
response = await self.client.get(
self.ENDPOINTS["servidores"],
params=params
)
response.raise_for_status()
data = response.json()
# Handle both list and object responses
if isinstance(data, list):
return {
"servidores": data,
"total": len(data),
"pagina": page,
"tamanho_pagina": size,
"timestamp": datetime.utcnow().isoformat()
}
else:
return {
"servidores": data.get("resultado", []),
"total": data.get("quantidadeTotal", 0),
"pagina": page,
"tamanho_pagina": size,
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error fetching servants: {e}")
raise TransparencyAPIError(f"Failed to fetch servants: {str(e)}")
async def get_supplier_info(self, cnpj: str) -> Dict[str, Any]:
"""Get detailed information about a supplier."""
cache_key = f"supplier:{cnpj}"
cached = await self.cache.get(cache_key)
if cached:
return cached
try:
# Get basic info
response = await self.client.get(
f"{self.ENDPOINTS['fornecedores']}/{cnpj}"
)
response.raise_for_status()
supplier_info = response.json()
# Get contracts for this supplier
contracts = await self.search_contracts(
cnpj_fornecedor=cnpj,
size=10
)
result = {
"fornecedor": supplier_info,
"contratos_recentes": contracts.get("contratos", []),
"total_contratos": contracts.get("total", 0),
"timestamp": datetime.utcnow().isoformat()
}
# Cache for 24 hours
await self.cache.set(cache_key, result, ttl=86400)
return result
except Exception as e:
logger.error(f"Error fetching supplier info: {e}")
raise TransparencyAPIError(f"Failed to fetch supplier: {str(e)}")
async def get_agency_info(self, codigo: str) -> Dict[str, Any]:
"""Get detailed information about a government agency."""
try:
response = await self.client.get(
f"{self.ENDPOINTS['orgaos']}/{codigo}"
)
response.raise_for_status()
return response.json()
except Exception as e:
logger.error(f"Error fetching agency info: {e}")
raise TransparencyAPIError(f"Failed to fetch agency: {str(e)}")
async def analyze_spending_patterns(
self,
orgao: Optional[str] = None,
periodo_meses: int = 12
) -> Dict[str, Any]:
"""Analyze spending patterns over time."""
end_date = datetime.now().date()
start_date = end_date - timedelta(days=periodo_meses * 30)
# Fetch contracts
contracts_task = self.search_contracts(
orgao=orgao,
data_inicial=start_date,
data_final=end_date,
size=500
)
# Fetch expenses
expenses_tasks = []
current_date = start_date
while current_date <= end_date:
mes_ano = current_date.strftime("%m/%Y")
expenses_tasks.append(
self.search_expenses(
orgao=orgao,
mes_ano=mes_ano,
size=500
)
)
# Move to next month
if current_date.month == 12:
current_date = current_date.replace(year=current_date.year + 1, month=1)
else:
current_date = current_date.replace(month=current_date.month + 1)
# Wait for all requests
results = await asyncio.gather(
contracts_task,
*expenses_tasks,
return_exceptions=True
)
# Process results
contracts = results[0].get("contratos", []) if isinstance(results[0], dict) else []
all_expenses = []
for result in results[1:]:
if isinstance(result, dict):
all_expenses.extend(result.get("despesas", []))
# Analyze patterns
analysis = {
"periodo": {
"inicio": start_date.isoformat(),
"fim": end_date.isoformat()
},
"total_contratos": len(contracts),
"total_despesas": len(all_expenses),
"valor_total_contratos": sum(c.get("valorTotal", 0) for c in contracts),
"fornecedores_unicos": len(set(c.get("cnpjFornecedor") for c in contracts if c.get("cnpjFornecedor"))),
"modalidades": {},
"evolucao_mensal": {},
"maiores_fornecedores": [],
"alertas": []
}
# Count by modality
for contract in contracts:
modalidade = contract.get("modalidadeCompra", "Não informado")
analysis["modalidades"][modalidade] = analysis["modalidades"].get(modalidade, 0) + 1
# Find top suppliers
supplier_values = {}
for contract in contracts:
cnpj = contract.get("cnpjFornecedor")
if cnpj:
supplier_values[cnpj] = supplier_values.get(cnpj, 0) + contract.get("valorTotal", 0)
analysis["maiores_fornecedores"] = sorted(
[{"cnpj": k, "valor_total": v} for k, v in supplier_values.items()],
key=lambda x: x["valor_total"],
reverse=True
)[:10]
# Check for alerts
if len(analysis["maiores_fornecedores"]) > 0:
top_supplier_value = analysis["maiores_fornecedores"][0]["valor_total"]
if analysis["valor_total_contratos"] > 0:
concentration = top_supplier_value / analysis["valor_total_contratos"]
if concentration > 0.3:
analysis["alertas"].append({
"tipo": "concentracao_fornecedor",
"mensagem": f"Fornecedor concentra {concentration:.1%} dos contratos",
"severidade": "alta"
})
return analysis
async def close(self):
"""Close HTTP client."""
if self.client:
await self.client.aclose()
async def __aenter__(self):
"""Async context manager entry."""
return self
async def __aexit__(self, exc_type, exc_val, exc_tb):
"""Async context manager exit."""
await self.close()
def _get_demo_contracts(self, params: Dict[str, Any]) -> Dict[str, Any]:
"""Get demo contracts when no API key is available."""
from datetime import datetime
demo_contracts = [
{
"id": "CTR-2024-001",
"numero": "001/2024",
"objeto": "Aquisição de medicamentos para tratamento de COVID-19 e outras doenças respiratórias",
"valorTotal": 2500000.00,
"dataAssinatura": "2024-01-15",
"dataPublicacao": "2024-01-16",
"vigenciaInicio": "2024-01-20",
"vigenciaFim": "2025-01-20",
"situacao": "Ativo",
"modalidadeCompra": "Pregão Eletrônico",
"cnpjFornecedor": "12345678000190",
"nomeFantasiaFornecedor": "Farmacêutica Nacional S.A.",
"orgaoContratante": {
"codigo": "26000",
"nome": "Ministério da Saúde",
"sigla": "MS"
}
},
{
"id": "CTR-2024-002",
"numero": "002/2024",
"objeto": "Contratação de serviços de manutenção hospitalar para unidades de saúde",
"valorTotal": 8750000.00,
"dataAssinatura": "2024-02-01",
"dataPublicacao": "2024-02-02",
"vigenciaInicio": "2024-02-05",
"vigenciaFim": "2025-02-05",
"situacao": "Ativo",
"modalidadeCompra": "Concorrência",
"cnpjFornecedor": "98765432000123",
"nomeFantasiaFornecedor": "Engenharia e Manutenção LTDA",
"orgaoContratante": {
"codigo": "26000",
"nome": "Ministério da Saúde",
"sigla": "MS"
}
},
{
"id": "CTR-2024-003",
"numero": "003/2024",
"objeto": "Fornecimento de equipamentos de proteção individual (EPIs) para profissionais de saúde",
"valorTotal": 3200000.00,
"dataAssinatura": "2024-03-10",
"dataPublicacao": "2024-03-11",
"vigenciaInicio": "2024-03-15",
"vigenciaFim": "2025-03-15",
"situacao": "Ativo",
"modalidadeCompra": "Pregão Eletrônico",
"cnpjFornecedor": "11223344000155",
"nomeFantasiaFornecedor": "Proteção Médica Distribuidora",
"orgaoContratante": {
"codigo": "26000",
"nome": "Ministério da Saúde",
"sigla": "MS"
}
}
]
# Filter by organization if specified
if params.get("codigoOrgao"):
demo_contracts = [c for c in demo_contracts if c["orgaoContratante"]["codigo"] == params["codigoOrgao"]]
return {
"contratos": demo_contracts[:params.get("tamanhoPagina", 100)],
"total": len(demo_contracts),
"pagina": params.get("pagina", 1),
"tamanho_pagina": params.get("tamanhoPagina", 100),
"timestamp": datetime.utcnow().isoformat(),
"demo_mode": True
}
# Singleton instance
portal_transparencia = PortalTransparenciaService() |