From d6360224c2c146f96a0ba72aba21bb7b1a455955 Mon Sep 17 00:00:00 2001
From: Philipp Wundrack <philipp.wundrack@live.de>
Date: Tue, 8 Aug 2023 14:38:26 +0200
Subject: [PATCH] make the HTTP method of a REST connector editable

---
 plugins/rest_connector/api/edit_routes.py     |  8 +++++++
 plugins/rest_connector/api/tasks.py           |  2 +-
 .../api/templates/rest_connector_edit.html    | 23 ++++++++++++++++++-
 3 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/plugins/rest_connector/api/edit_routes.py b/plugins/rest_connector/api/edit_routes.py
index d73e0f3f8..81c362cb1 100644
--- a/plugins/rest_connector/api/edit_routes.py
+++ b/plugins/rest_connector/api/edit_routes.py
@@ -55,6 +55,7 @@ def get(self, connector_id: str):
                 "rest_connector_edit.html",
                 name=name,
                 connector=ConnectorSchema().dump(connector),
+                http_methods=["GET", "PUT", "POST", "DELETE", "PATCH"],
                 process=url_for(
                     f"{REST_CONN_BLP.name}.{WipConnectorView.__name__}",
                     connector_id=connector_id,
@@ -123,6 +124,8 @@ def post(self, data, connector_id: str):
             connector = self.update_openapi_spec(connector, update_value)
         elif update_key == ConnectorKey.ENDPOINT_URL:
             connector = self.update_endpoint_url(connector, update_value)
+        elif update_key == ConnectorKey.ENDPOINT_METHOD:
+            connector = self.update_endpoint_method(connector, update_value)
         elif update_key == ConnectorKey.VARIABLES:
             connector = self.update_variables(connector, update_value)
         elif update_key == ConnectorKey.REQUEST_HEADERS:
@@ -175,6 +178,11 @@ def update_endpoint_url(self, connector: dict, new_endpoint_url: str) -> dict:
         # TODO: discover headers/body from openapi spec?
         return connector
 
+    def update_endpoint_method(self, connector: dict, new_endpoint_method: str) -> dict:
+        connector["endpoint_method"] = new_endpoint_method
+        # TODO: discover method from openapi spec?
+        return connector
+
     def update_variables(self, connector: dict, new_variables: str) -> dict:
         print(new_variables)
         parsed_variables = ConnectorVariableSchema(many=True).loads(new_variables)
diff --git a/plugins/rest_connector/api/tasks.py b/plugins/rest_connector/api/tasks.py
index d991eb963..144c28bf0 100644
--- a/plugins/rest_connector/api/tasks.py
+++ b/plugins/rest_connector/api/tasks.py
@@ -69,7 +69,7 @@ def perform_request(self, connector_id: str, db_id: int) -> None:
     parsed_headers = parse_headers(BytesIO(headers.encode()))
 
     response = request(
-        method="post",  # FIXME read from connector definition
+        method=connector["endpoint_method"],
         url=urljoin(
             connector["base_url"], connector["endpoint_url"]
         ),  # FIXME allow variables in endpoint
diff --git a/plugins/rest_connector/api/templates/rest_connector_edit.html b/plugins/rest_connector/api/templates/rest_connector_edit.html
index e7326ac73..4416641de 100644
--- a/plugins/rest_connector/api/templates/rest_connector_edit.html
+++ b/plugins/rest_connector/api/templates/rest_connector_edit.html
@@ -62,7 +62,28 @@ <h3>{{name}} (WIP)</h3>
         </form>
     </details>
 
-    <!-- FIXME add endpoint method and support variables in endpoint -->
+    <!-- FIXME add support for variables in endpoint -->
+
+    <details class="step" open>
+        <summary class="step-head">Endpoint method</summary>
+
+        <form action="{{process}}" method="post" class="qhana-form" data-step="endpoint-method" enctype="application/json">
+            <div class="qhana-form-field">
+                <label class="qhana-form-label" for="endpoint_method">Endpoint URL</label>
+                <div class="qhana-input-wrapper">
+                    <select class="qhana-form-input" name="value" id="endpoint_method">
+                        {% for method in http_methods %}
+                            <option value="{{ method }}" {% if connector['endpointMethod'] == method %} selected {% endif %}>{{ method }}</option>
+                        {% endfor %}
+                    </select>
+                </div>
+            </div>
+
+            <div class="qhana-form-buttons">
+                <button class="qhana-form-submit" type="submit" data-target="api" >set endpoint method</button>
+            </div>
+        </form>
+    </details>
 
     <details class="step" open>
         <summary class="step-head">Variables</summary>