Create method to fetch and create withdraw transaction in OpenPix

Author: rennerocha

thebook/settings.py

@@ -260,10 +260,17 @@
 EMAIL_HOST_PASSWORD = config("EMAIL_HOST_PASSWORD", default="")
 DEFAULT_FROM_EMAIL = config("DEFAULT_FROM_EMAIL")
 
+PAYPAL_BANK_ACCOUNT = "PayPal"
 PAYPAL_API_BASE_URL = config("PAYPAL_API_BASE_URL", default="https://api-m.paypal.com")
 PAYPAL_CLIENT_ID = config("PAYPAL_CLIENT_ID", default="")
 PAYPAL_CLIENT_SECRET = config("PAYPAL_CLIENT_SECRET", default="")
 
+OPENPIX_BANK_ACCOUNT = "OpenPix"
+OPENPIX_API_BASE_URL = config(
+    "OPENPIX_API_BASE_URL", default="https://api.openpix.com.br"
+)
+OPENPIX_APP_ID = config("OPENPIX_APP_ID", default="")
+
 
 def show_callback(request):
     return True

thebook/webhooks/openpix/services.py

@@ -0,0 +1,57 @@
+import datetime
+import decimal
+
+import requests
+
+from django.conf import settings
+from django.contrib.auth import get_user_model
+
+from thebook.bookkeeping.models import BankAccount, Category, Transaction
+
+
+def fetch_transactions(start_date: datetime.date, end_date: datetime.date):
+    bank_account, _ = BankAccount.objects.get_or_create(
+        name=settings.OPENPIX_BANK_ACCOUNT
+    )
+    user = get_user_model().objects.get_or_create_automation_user()
+    bank_account_transfer_category, _ = Category.objects.get_or_create(
+        name="Transferência entre contas bancárias"
+    )
+
+    response = requests.get(
+        f"{settings.OPENPIX_API_BASE_URL}/api/v1/transaction",
+        params={
+            "start": start_date.strftime("%Y-%m-%dT00:00:00Z"),
+            "end": end_date.strftime("%Y-%m-%dT00:00:00Z"),
+        },
+        headers={
+            "Authorization": settings.OPENPIX_APP_ID,
+        },
+    )
+    data = response.json()
+
+    transactions = jmespath("transactions", data)
+    for transaction in transactions:
+        transaction_type = jmespath.search("type", transaction)
+        if transaction_type != "WITHDRAW":
+            continue
+
+        transaction_id = jmespath.search("endToEndId", transaction)
+        transaction_date = datetime.datetime.strptime(
+            jmespath.search("time", transaction), "%Y-%m-%dT%H:%M:%S.%fZ"
+        ).date()
+        transaction_amount = -1 * jmespath.search("value", transaction) / 100
+
+        utc_transaction_date = datetime.datetime.strptime(
+            raw_date, "%Y-%m-%dT%H:%M:%SZ"
+        )
+
+        Transaction.objects.create(
+            reference=transaction_id,
+            date=transaction_date,
+            description=f"Transferência entre contas bancárias - {transaction_id}",
+            amount=transaction_amount,
+            bank_account=bank_account,
+            category=bank_account_transfer_category,
+            created_by=user,
+        )