为大数据库新增delegate

review by 枪兵

@@ -19,6 +19,9 @@ typedef NS_ENUM(NSInteger, YHLogStrategy) {
 
 @class YHEvent;
 @class YHError;
+
+@protocol YH_AnalyticsDelegate;
+
 @interface YH_Analytics : NSObject
 /**
  *  获取统计对象的实例
@@ -170,4 +173,21 @@ typedef NS_ENUM(NSInteger, YHLogStrategy) {
  */
 @property (copy, nonatomic) void(^errorBlock)(NSDictionary *dict);
 
+@property (weak, nonatomic) id <YH_AnalyticsDelegate>delegate;
+
+@end
+
+
+@protocol YH_AnalyticsDelegate<NSObject>
+
+@optional
+
+/**
+ 大数据发生上报事件时, 即将上报代理
+
+ @param eventId Event Name
+ @since 6.6.3
+ */
+- (void)willSendLogWithEventID:(NSString *)eventId;
+
 @end

@@ -262,6 +262,12 @@
 - (void)logEvent:(NSString *)eventId parameters:(NSDictionary *)param
 {
     YALog(@"logEvent %@, %@", eventId, param);
+    
+    if (_delegate
+        && [_delegate respondsToSelector:@selector(willSendLogWithEventID:)]) {
+        [_delegate willSendLogWithEventID:eventId];
+    }
+    
     YHEvent *event = [[YHEvent alloc] init];
     event.op = eventId;
     event.uid = self.uid ? self.uid : @"";