feat: Refactors API for conversation and messages to support multiple conversations

app/javascript/widget/api/messagePublic.js

@@ -0,0 +1,40 @@
+import { API } from 'widget/helpers/axios';
+
+const buildUrl = endPoint =>
+  `/api/v1/widget/${endPoint}${window.location.search}`;
+
+/*
+ *  Refer: https://www.chatwoot.com/developers/api#tag/Messages-API
+ */
+
+export default {
+  create(conversationId, content, echoId) {
+    return API.post(buildUrl(`conversations/${conversationId}/messages`), {
+      content,
+      echo_id: echoId,
+    });
+  },
+
+  createAttachment(conversationId, attachmentParams) {
+    return API.post(
+      buildUrl(`conversations/${conversationId}/messages`),
+      attachmentParams
+    );
+  },
+
+  get(conversationId, beforeId) {
+    return API.get(buildUrl(`conversations/${conversationId}/messages`), {
+      params: { before: beforeId },
+    });
+  },
+
+  update(conversationId, messageObject) {
+    const { id: messageId } = messageObject;
+    return API.patch(
+      buildUrl(`conversations/${conversationId}/messages/${messageId}`),
+      {
+        ...messageObject,
+      }
+    );
+  },
+};