Add support for creating online models and integrating custom model providers

common/common.go

@@ -0,0 +1,36 @@
+package common
+
+import (
+	"encoding/json"
+	"strings"
+)
+
+func MergeJSON(json1, json2 string) string {
+	var data1, data2 map[string]interface{}
+	if strings.TrimSpace(json1) != "" {
+		if err := json.Unmarshal([]byte(json1), &data1); err != nil {
+			return ""
+		}
+	}
+	if strings.TrimSpace(json2) != "" {
+		if err := json.Unmarshal([]byte(json2), &data2); err != nil {
+			return ""
+		}
+	}
+
+	merged := make(map[string]interface{})
+	// copy data1
+	for k, v := range data1 {
+		merged[k] = v
+	}
+	// merge data2 & cover same key
+	for k, v := range data2 {
+		merged[k] = v
+	}
+	// transfer to json string
+	result, err := json.Marshal(merged)
+	if err != nil {
+		return ""
+	}
+	return string(result)
+}