Add SendHttpRequest designer plugin

Fixes #1069

src/designer/elsa-workflows-studio/src/plugins/send-http-request-plugin.tsx

@@ -0,0 +1,24 @@
+import {ElsaPlugin} from "../services/elsa-plugin";
+import {eventBus} from '../services/event-bus';
+import {ActivityDesignDisplayContext, EventTypes, SyntaxNames} from "../models";
+import {h} from "@stencil/core";
+import {parseJson} from "../utils/utils";
+
+export class SendHttpRequestPlugin implements ElsaPlugin {
+  constructor() {
+    eventBus.on(EventTypes.ActivityDesignDisplaying, this.onActivityDesignDisplaying);
+  }
+
+  onActivityDesignDisplaying(context: ActivityDesignDisplayContext) {
+    const activityModel = context.activityModel;
+
+    if (activityModel.type !== 'SendHttpRequest')
+      return;
+
+    const props = activityModel.properties || [];
+    const syntax = SyntaxNames.Json;
+    const supportedStatusCodes = props.find(x => x.name == 'SupportedStatusCodes') || {expressions: {'Json': '[]'}, syntax: syntax};
+    const expression = supportedStatusCodes.expressions[syntax];
+    context.outcomes = !!expression['$values'] ? expression['$values'] : parseJson(expression) || [];
+  }
+}

src/designer/elsa-workflows-studio/src/services/plugin-manager.ts

@@ -16,6 +16,7 @@ import {SignalReceivedPlugin} from "../plugins/signal-received-plugin";
 import {SendSignalPlugin} from "../plugins/send-signal-plugin";
 import {UserTaskPlugin} from "../plugins/user-task-plugin";
 import {StatePlugin} from "../plugins/state-plugin";
+import {SendHttpRequestPlugin} from "../plugins/send-http-request-plugin";
 
 export class PluginManager {
 
@@ -30,6 +31,7 @@ export class PluginManager {
       new ForkPlugin(),
       new SwitchPlugin(),
       new HttpEndpointPlugin(),
+      new SendHttpRequestPlugin(),
       new TimerPlugin(),
       new StartAtPlugin(),
       new CronPlugin(),