优化mongo，封装count逻辑，处理objectId

consts/ad_source_provider.go

@@ -0,0 +1,57 @@
+package consts
+
+// AdSourceProvider 广告源提供商枚举
+type AdSourceProvider string
+
+const (
+	AdSourceProviderGoogle  AdSourceProvider = "google"  // Google
+	AdSourceProviderBaidu   AdSourceProvider = "baidu"   // 百度
+	AdSourceProviderTencent AdSourceProvider = "tencent" // 腾讯
+	AdSourceProviderSelf    AdSourceProvider = "self"    // 自营
+)
+
+// GetAllAdSourceProviders 获取所有广告源提供商
+func GetAllAdSourceProviders() []AdSourceProvider {
+	return []AdSourceProvider{
+		AdSourceProviderGoogle,
+		AdSourceProviderBaidu,
+		AdSourceProviderTencent,
+		AdSourceProviderSelf,
+	}
+}
+
+type AdSourceProviderKeyValue struct {
+	Key   AdSourceProvider
+	Value string
+}
+
+var (
+	AdSourceProviderGoogleKeyValue  = AdSourceProviderKeyValue{Key: AdSourceProviderGoogle, Value: "Google"}
+	AdSourceProviderBaiduKeyValue   = AdSourceProviderKeyValue{Key: AdSourceProviderBaidu, Value: "百度"}
+	AdSourceProviderTencentKeyValue = AdSourceProviderKeyValue{Key: AdSourceProviderTencent, Value: "腾讯"}
+	AdSourceProviderSelfKeyValue    = AdSourceProviderKeyValue{Key: AdSourceProviderSelf, Value: "自营"}
+)
+
+func GetAllAdSourceProviderKeyValue() []AdSourceProviderKeyValue {
+	return []AdSourceProviderKeyValue{
+		AdSourceProviderGoogleKeyValue,
+		AdSourceProviderBaiduKeyValue,
+		AdSourceProviderTencentKeyValue,
+		AdSourceProviderSelfKeyValue,
+	}
+}
+
+var adSourceProviderValueMap = map[AdSourceProvider]string{
+	AdSourceProviderGoogle:  AdSourceProviderGoogleKeyValue.Value,
+	AdSourceProviderBaidu:   AdSourceProviderBaiduKeyValue.Value,
+	AdSourceProviderTencent: AdSourceProviderTencentKeyValue.Value,
+	AdSourceProviderSelf:    AdSourceProviderSelfKeyValue.Value,
+}
+
+func GetAdSourceProviderValueByKey(key AdSourceProvider) (value string) {
+	value, exists := adSourceProviderValueMap[key]
+	if !exists {
+		value = "未知提供商"
+	}
+	return
+}