dify / api /services /billing_service.py
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import os
from typing import Literal, Optional
import httpx
from tenacity import retry, retry_if_exception_type, stop_before_delay, wait_fixed
from extensions.ext_database import db
from models.account import TenantAccountJoin, TenantAccountRole
class BillingService:
base_url = os.environ.get("BILLING_API_URL", "BILLING_API_URL")
secret_key = os.environ.get("BILLING_API_SECRET_KEY", "BILLING_API_SECRET_KEY")
@classmethod
def get_info(cls, tenant_id: str):
params = {"tenant_id": tenant_id}
billing_info = cls._send_request("GET", "/subscription/info", params=params)
return billing_info
@classmethod
def get_subscription(cls, plan: str, interval: str, prefilled_email: str = "", tenant_id: str = ""):
params = {"plan": plan, "interval": interval, "prefilled_email": prefilled_email, "tenant_id": tenant_id}
return cls._send_request("GET", "/subscription/payment-link", params=params)
@classmethod
def get_model_provider_payment_link(cls, provider_name: str, tenant_id: str, account_id: str, prefilled_email: str):
params = {
"provider_name": provider_name,
"tenant_id": tenant_id,
"account_id": account_id,
"prefilled_email": prefilled_email,
}
return cls._send_request("GET", "/model-provider/payment-link", params=params)
@classmethod
def get_invoices(cls, prefilled_email: str = "", tenant_id: str = ""):
params = {"prefilled_email": prefilled_email, "tenant_id": tenant_id}
return cls._send_request("GET", "/invoices", params=params)
@classmethod
@retry(
wait=wait_fixed(2),
stop=stop_before_delay(10),
retry=retry_if_exception_type(httpx.RequestError),
reraise=True,
)
def _send_request(cls, method: Literal["GET", "POST", "DELETE"], endpoint: str, json=None, params=None):
headers = {"Content-Type": "application/json", "Billing-Api-Secret-Key": cls.secret_key}
url = f"{cls.base_url}{endpoint}"
response = httpx.request(method, url, json=json, params=params, headers=headers)
if method == "GET" and response.status_code != httpx.codes.OK:
raise ValueError("Unable to retrieve billing information. Please try again later or contact support.")
return response.json()
@staticmethod
def is_tenant_owner_or_admin(current_user):
tenant_id = current_user.current_tenant_id
join: Optional[TenantAccountJoin] = (
db.session.query(TenantAccountJoin)
.filter(TenantAccountJoin.tenant_id == tenant_id, TenantAccountJoin.account_id == current_user.id)
.first()
)
if not join:
raise ValueError("Tenant account join not found")
if not TenantAccountRole.is_privileged_role(join.role):
raise ValueError("Only team owner or team admin can perform this action")
@classmethod
def delete_account(cls, account_id: str):
"""Delete account."""
params = {"account_id": account_id}
return cls._send_request("DELETE", "/account/", params=params)
@classmethod
def is_email_in_freeze(cls, email: str) -> bool:
params = {"email": email}
try:
response = cls._send_request("GET", "/account/in-freeze", params=params)
return bool(response.get("data", False))
except Exception:
return False
@classmethod
def update_account_deletion_feedback(cls, email: str, feedback: str):
"""Update account deletion feedback."""
json = {"email": email, "feedback": feedback}
return cls._send_request("POST", "/account/delete-feedback", json=json)