From 019689087d4ebd3a69309d115c53b394ec54192f Mon Sep 17 00:00:00 2001
From: MaysWind <i@mayswind.net>
Date: Fri, 19 Sep 2025 23:40:37 +0800
Subject: [PATCH] code refactor

---
 pkg/api/model_context_protocols.go | 4 +---
 pkg/core/common_types.go           | 4 ++++
 pkg/utils/api.go                   | 7 +++----
 3 files changed, 8 insertions(+), 7 deletions(-)
 create mode 100644 pkg/core/common_types.go

diff --git a/pkg/api/model_context_protocols.go b/pkg/api/model_context_protocols.go
index 7c81f403..a5af8fd9 100644
--- a/pkg/api/model_context_protocols.go
+++ b/pkg/api/model_context_protocols.go
@@ -3,8 +3,6 @@ package api
 import (
 	"encoding/json"
 
-	"github.com/gin-gonic/gin"
-
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
@@ -233,7 +231,7 @@ func (a *ModelContextProtocolAPI) CallToolHandler(c *core.WebContext, jsonRPCReq
 
 // PingHandler return the ping response for model context protocol
 func (a *ModelContextProtocolAPI) PingHandler(c *core.WebContext, jsonRPCRequest *core.JSONRPCRequest) (any, *errs.Error) {
-	return gin.H{}, nil
+	return core.O{}, nil
 }
 
 // GetTransactionService implements the MCPAvailableServices interface
diff --git a/pkg/core/common_types.go b/pkg/core/common_types.go
new file mode 100644
index 00000000..d3bf8e05
--- /dev/null
+++ b/pkg/core/common_types.go
@@ -0,0 +1,4 @@
+package core
+
+// O is a shortcut for map[string]any
+type O map[string]any
diff --git a/pkg/utils/api.go b/pkg/utils/api.go
index 1edf41c1..75fd7e42 100644
--- a/pkg/utils/api.go
+++ b/pkg/utils/api.go
@@ -5,7 +5,6 @@ import (
 	"net/http"
 	"reflect"
 
-	"github.com/gin-gonic/gin"
 	"github.com/go-playground/validator/v10"
 
 	"github.com/mayswind/ezbookkeeping/pkg/core"
@@ -14,7 +13,7 @@ import (
 
 // PrintJsonSuccessResult writes success response in json format to current http context
 func PrintJsonSuccessResult(c *core.WebContext, result any) {
-	c.JSON(http.StatusOK, gin.H{
+	c.JSON(http.StatusOK, core.O{
 		"success": true,
 		"result":  result,
 	})
@@ -46,7 +45,7 @@ func PrintJsonErrorResult(c *core.WebContext, err *errs.Error) {
 		}
 	}
 
-	result := gin.H{
+	result := core.O{
 		"success":      false,
 		"errorCode":    err.Code(),
 		"errorMessage": errorMessage,
@@ -163,7 +162,7 @@ func WriteEventStreamJsonErrorResult(c *core.WebContext, originalErr *errs.Error
 		}
 	}
 
-	result := gin.H{
+	result := core.O{
 		"success":      false,
 		"errorCode":    originalErr.Code(),
 		"errorMessage": errorMessage,