first commit

hooks.py

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+doc_events = {
+    "Sales Invoice": {
+        "on_submit": "erpnext_zra_integration.modules.doctype.zra_invoice.zra_invoice.before_submit"
+    }
+}

modules/doctype/zra_invoice/zra_invoice.json

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+{
+    "doctype": "DocType",
+    "name": "ZRA Invoice",
+    "module": "ERPNext ZRA Integration",
+    "fields": [
+        {
+            "fieldname": "customer_name",
+            "fieldtype": "Data",
+            "label": "Customer Name",
+            "reqd": 1
+        },
+        {
+            "fieldname": "posting_date",
+            "fieldtype": "Date",
+            "label": "Posting Date",
+            "reqd": 1
+        },
+        {
+            "fieldname": "items",
+            "fieldtype": "Table",
+            "label": "Items",
+            "options": "ZRA Invoice Item",
+            "reqd": 1
+        }
+    ],
+    "permissions": [
+        {
+            "role": "System Manager",
+            "read": 1,
+            "write": 1,
+            "create": 1,
+            "delete": 1
+        }
+    ]
+}

modules/doctype/zra_invoice/zra_invoice.py

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+import frappe
+from frappe.model.document import Document
+from erpnext_zra_integration.zra_api import ZRAAPI
+
+class ZRAInvoice(Document):
+    def before_submit(self):
+        settings = frappe.get_doc("ZRA Settings")
+        zra_api = ZRAAPI(
+            api_key=settings.api_key,
+            device_serial_no=settings.device_serial_no,
+            branch_id=settings.branch_id,
+            tpin=settings.tpin
+        )
+
+        invoice_data = self.get_invoice_data()
+        response = zra_api.submit_sales_invoice(invoice_data)
+
+        if response.get('error'):
+            frappe.throw(response['error'])
+
+    def get_invoice_data(self):
+        # Prepare the invoice data as required by the ZRA API
+        invoice_data = {
+            "invoice_no": self.name,
+            "date": self.posting_date,
+            "customer_name": self.customer_name,
+            "items": [{
+                "item_code": item.item_code,
+                "description": item.description,
+                "quantity": item.qty,
+                "rate": item.rate,
+                "amount": item.amount
+            } for item in self.items],
+            # we We can Add other fields as needed
+        }
+        return invoice_data

modules/doctype/zra_settings/zra_settings.json

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+{
+    "doctype": "DocType",
+    "name": "ZRA Settings",
+    "module": "ERPNext ZRA Integration",
+    "fields": [
+        {
+            "fieldname": "api_key",
+            "fieldtype": "Data",
+            "label": "API Key",
+            "reqd": 1
+        },
+        {
+            "fieldname": "device_serial_no",
+            "fieldtype": "Data",
+            "label": "Device Serial Number",
+            "reqd": 1
+        },
+        {
+            "fieldname": "branch_id",
+            "fieldtype": "Data",
+            "label": "Branch ID",
+            "reqd": 1
+        },
+        {
+            "fieldname": "tpin",
+            "fieldtype": "Data",
+            "label": "TPIN",
+            "reqd": 1
+        }
+    ]
+}

modules/doctype/zra_settings/zra_settings.py

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+import frappe
+from frappe.model.document import Document
+
+class ZRASettings(Document):
+    pass

zra_api.py

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+import requests
+import json
+
+class ZRAAPI:
+    BASE_URL = "http://<hostname>:<server.port>/<vsdcpath>"
+
+    def __init__(self, api_key, device_serial_no, branch_id, tpin):
+        self.api_key = api_key
+        self.device_serial_no = device_serial_no
+        self.branch_id = branch_id
+        self.tpin = tpin
+
+    def initialize_device(self):
+        url = f"{self.BASE_URL}/initializer/selectInitInfo"
+        payload = {
+            "tpin": self.tpin,
+            "bhfId": self.branch_id,
+            "dvcSrlNo": self.device_serial_no
+        }
+        headers = {
+            'Content-Type': 'application/json',
+            'Authorization': f'Bearer {self.api_key}'
+        }
+        response = requests.post(url, data=json.dumps(payload), headers=headers)
+        return response.json()
+
+    def submit_sales_invoice(self, invoice_data):
+        url = f"{self.BASE_URL}/sales/newInvoice"
+        headers = {
+            'Content-Type': 'application/json',
+            'Authorization': f'Bearer {self.api_key}'
+        }
+        response = requests.post(url, data=json.dumps(invoice_data), headers=headers)
+        return response.json()
+
+    # We can Add other methods as required by the VSDC API