refactor: resource => document

This lets us create three types of APIs:

- Document APIs that operate on documents
- DocType APIs that operate on collections - list, count, search
- Method APIs that are RPC calls

frappe/api/v2.py

@@ -1,3 +1,12 @@
+"""REST API v2
+
+This file defines routes and implementation for REST API.
+
+Note:
+	- All functions in this file should be treated as "whitelisted" as they are exposed via routes
+	- None of the functions present here should be called from python code, their location and
+	  internal implementation can change without treating it as "breaking change".
+"""
 import json
 
 from werkzeug.routing import Rule
@@ -12,11 +21,12 @@ def handle_rpc_call(method: str, doctype: str | None = None):
 	from frappe.modules.utils import load_doctype_module
 
 	if doctype:
-		# Expand to run actual method
+		# Expand to run actual method from doctype controller
 		module = load_doctype_module(doctype)
 		method = module.__name__ + "." + method
 
 	if method == "login":
+		# Login works implicitly right now.
 		return
 
 	return execute_cmd(method)
@@ -96,13 +106,13 @@ def execute_doc_method(doctype: str, name: str, method: str | None = None):
 url_rules = [
 	Rule("/method/<method>", endpoint=handle_rpc_call),
 	Rule("/method/<doctype>/<method>", endpoint=handle_rpc_call),
-	Rule("/resource/<doctype>", methods=["GET"], endpoint=document_list),
-	Rule("/resource/<doctype>", methods=["POST"], endpoint=create_doc),
-	Rule("/resource/<doctype>/<path:name>/", methods=["GET"], endpoint=read_doc),
-	Rule("/resource/<doctype>/<path:name>/", methods=["PUT"], endpoint=update_doc),
-	Rule("/resource/<doctype>/<path:name>/", methods=["DELETE"], endpoint=delete_doc),
+	Rule("/document/<doctype>", methods=["GET"], endpoint=document_list),
+	Rule("/document/<doctype>", methods=["POST"], endpoint=create_doc),
+	Rule("/document/<doctype>/<path:name>/", methods=["GET"], endpoint=read_doc),
+	Rule("/document/<doctype>/<path:name>/", methods=["PUT"], endpoint=update_doc),
+	Rule("/document/<doctype>/<path:name>/", methods=["DELETE"], endpoint=delete_doc),
 	Rule(
-		"/resource/<doctype>/<path:name>/method/<method>/",
+		"/document/<doctype>/<path:name>/method/<method>/",
 		methods=["GET", "POST"],
 		endpoint=execute_doc_method,
 	),

frappe/tests/test_api.py

@@ -91,6 +91,13 @@ def parameterize(*api_versions):
 	return decorator
 
 
+resource_key = {
+	"": "resource",
+	"v1": "resource",
+	"v2": "document",
+}
+
+
 class FrappeAPITestCase(FrappeTestCase):
 	version = ""  # Empty implies v1
 	TEST_CLIENT = get_test_client()
@@ -100,7 +107,7 @@ class FrappeAPITestCase(FrappeTestCase):
 		return get_url()
 
 	def resource_path(self, *parts):
-		return self.get_path("resource", *parts)
+		return self.get_path(resource_key[self.version], *parts)
 
 	def method_path(self, *method):
 		return self.get_path("method", *method)