feat: support mf calling api

features/ue/mf_calling/service.go

@@ -0,0 +1,38 @@
+package mf_calling
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	neModel "be.ems/src/modules/network_element/model"
+)
+
+func (s *MfCallingInfo) GetCallingInfoFromMF(neInfo neModel.NeInfo) ([]MfCallingInfo, int, error) {
+	// 构造网元MF的API地址
+	url := fmt.Sprintf("http://%s:%d/api/rest/psap/v1/mf/callingInfo", neInfo.IP, neInfo.Port)
+
+	// 可根据querys拼接更多参数
+
+	resp, err := http.Get(url)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	// 假设MF返回格式为 {"totalCalls": 10, "Data": [...]}
+	var mfResp struct {
+		TotalCalls int             `json:"totalCalls"`
+		Data       []MfCallingInfo `json:"data"`
+	}
+	if err := json.Unmarshal(body, &mfResp); err != nil {
+		return nil, 0, err
+	}
+	return mfResp.Data, mfResp.TotalCalls, nil
+}