feat: add analytics backend

backend-single/src/main/java/com/emotion/entity/AnalyticsEvent.java

@@ -0,0 +1,59 @@
+package com.emotion.entity;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler;
+import com.emotion.common.BaseEntity;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.experimental.SuperBuilder;
+
+import java.time.LocalDateTime;
+import java.util.Map;
+
+@Data
+@EqualsAndHashCode(callSuper = true)
+@SuperBuilder
+@NoArgsConstructor
+@AllArgsConstructor
+@TableName(value = "t_analytics_event", autoResultMap = true)
+public class AnalyticsEvent extends BaseEntity {
+
+    @TableField("user_id")
+    private String userId;
+
+    @TableField("anonymous_id")
+    private String anonymousId;
+
+    @TableField("session_id")
+    private String sessionId;
+
+    @TableField("event_name")
+    private String eventName;
+
+    @TableField("event_type")
+    private String eventType;
+
+    @TableField("page_path")
+    private String pagePath;
+
+    @TableField("referrer_path")
+    private String referrerPath;
+
+    @TableField(value = "properties", typeHandler = JacksonTypeHandler.class)
+    private Map<String, Object> properties;
+
+    @TableField(value = "device_info", typeHandler = JacksonTypeHandler.class)
+    private Map<String, Object> deviceInfo;
+
+    @TableField("duration_ms")
+    private Long durationMs;
+
+    @TableField("occurred_at")
+    private LocalDateTime occurredAt;
+
+    @TableField("server_time")
+    private LocalDateTime serverTime;
+}