feat(crm): align shared attachment payloads

internal/handler/api/v1/conversation_handler_test.go

@@ -68,6 +68,7 @@ func (s *ConversationHandlerTestSuite) SetupSuite() {
 		&model.Conversation{},
 		&model.ConversationParticipant{},
 		&model.Message{},
+		&model.Attachment{},
 		&model.InboxMember{},
 		&model.Tag{},
 		&model.ConversationLabel{},
@@ -134,6 +135,7 @@ func (s *ConversationHandlerTestSuite) TearDownSuite() {
 }
 
 func (s *ConversationHandlerTestSuite) TearDownTest() {
+	s.db.Exec("DELETE FROM attachments")
 	s.db.Exec("DELETE FROM conversations")
 	s.db.Exec("DELETE FROM contact_inboxes")
 	s.db.Exec("DELETE FROM contacts")
@@ -420,6 +422,31 @@ func (s *ConversationHandlerTestSuite) TestListAttachments_InvalidConversationID
 	assert.Equal(s.T(), http.StatusBadRequest, w.Code)
 }
 
+func (s *ConversationHandlerTestSuite) TestListAttachmentsReturnsChatwootPayload() {
+	message := &model.Message{AccountID: s.testAccount.ID, InboxID: s.testConv.InboxID, ConversationID: s.testConv.ID, Content: "file", MessageType: "incoming", ContentType: "text", Status: "sent"}
+	s.Require().NoError(s.db.Create(message).Error)
+	attachment := &model.Attachment{AccountID: s.testAccount.ID, MessageID: message.ID, FileType: "file", FileURL: "https://cdn.example.com/report.pdf", FileName: "report.pdf", FileSize: 2048}
+	s.Require().NoError(s.db.Create(attachment).Error)
+
+	w := httptest.NewRecorder()
+	req, _ := http.NewRequest("GET", fmt.Sprintf("%s/conversations/%d/attachments", s.accountURL(), s.testConv.ID), nil)
+	s.router.ServeHTTP(w, req)
+
+	assert.Equal(s.T(), http.StatusOK, w.Code, w.Body.String())
+	var resp map[string]any
+	assert.NoError(s.T(), json.Unmarshal(w.Body.Bytes(), &resp))
+	assert.Equal(s.T(), float64(1), resp["meta"].(map[string]any)["total_count"])
+	payload := resp["payload"].([]any)
+	assert.Len(s.T(), payload, 1)
+	item := payload[0].(map[string]any)
+	assert.Equal(s.T(), float64(attachment.ID), item["id"])
+	assert.Equal(s.T(), float64(message.ID), item["message_id"])
+	assert.Equal(s.T(), "file", item["file_type"])
+	assert.Equal(s.T(), "https://cdn.example.com/report.pdf", item["data_url"])
+	assert.Equal(s.T(), "pdf", item["extension"])
+	assert.Contains(s.T(), item, "created_at")
+}
+
 func (s *ConversationHandlerTestSuite) TestToggleTyping_InvalidAccountID() {
 	w := httptest.NewRecorder()
 	req, _ := http.NewRequest("POST", "/api/v1/accounts/abc/conversations/1/toggle_typing", bytes.NewBufferString(`{"typing_status":"on"}`))