573 lines
16 KiB
Go
573 lines
16 KiB
Go
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package events
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import (
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"encoding/json"
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"time"
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"github.com/google/uuid"
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)
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// StatisticsEventType 统计事件类型
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type StatisticsEventType string
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const (
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// 指标相关事件
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MetricCreatedEventType StatisticsEventType = "statistics.metric.created"
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MetricUpdatedEventType StatisticsEventType = "statistics.metric.updated"
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MetricAggregatedEventType StatisticsEventType = "statistics.metric.aggregated"
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// 报告相关事件
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ReportCreatedEventType StatisticsEventType = "statistics.report.created"
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ReportGenerationStartedEventType StatisticsEventType = "statistics.report.generation_started"
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ReportCompletedEventType StatisticsEventType = "statistics.report.completed"
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ReportFailedEventType StatisticsEventType = "statistics.report.failed"
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ReportExpiredEventType StatisticsEventType = "statistics.report.expired"
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// 仪表板相关事件
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DashboardCreatedEventType StatisticsEventType = "statistics.dashboard.created"
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DashboardUpdatedEventType StatisticsEventType = "statistics.dashboard.updated"
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DashboardActivatedEventType StatisticsEventType = "statistics.dashboard.activated"
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DashboardDeactivatedEventType StatisticsEventType = "statistics.dashboard.deactivated"
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)
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// BaseStatisticsEvent 统计事件基础结构
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type BaseStatisticsEvent struct {
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ID string `json:"id"`
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Type string `json:"type"`
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Version string `json:"version"`
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Timestamp time.Time `json:"timestamp"`
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Source string `json:"source"`
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AggregateID string `json:"aggregate_id"`
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AggregateType string `json:"aggregate_type"`
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Metadata map[string]interface{} `json:"metadata"`
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Payload interface{} `json:"payload"`
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// DDD特有字段
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DomainVersion string `json:"domain_version"`
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CausationID string `json:"causation_id"`
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CorrelationID string `json:"correlation_id"`
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}
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// 实现 Event 接口
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func (e *BaseStatisticsEvent) GetID() string {
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return e.ID
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}
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func (e *BaseStatisticsEvent) GetType() string {
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return e.Type
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}
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func (e *BaseStatisticsEvent) GetVersion() string {
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return e.Version
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}
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func (e *BaseStatisticsEvent) GetTimestamp() time.Time {
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return e.Timestamp
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}
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func (e *BaseStatisticsEvent) GetPayload() interface{} {
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return e.Payload
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}
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func (e *BaseStatisticsEvent) GetMetadata() map[string]interface{} {
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return e.Metadata
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}
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func (e *BaseStatisticsEvent) GetSource() string {
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return e.Source
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}
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func (e *BaseStatisticsEvent) GetAggregateID() string {
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return e.AggregateID
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}
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func (e *BaseStatisticsEvent) GetAggregateType() string {
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return e.AggregateType
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}
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func (e *BaseStatisticsEvent) GetDomainVersion() string {
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return e.DomainVersion
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}
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func (e *BaseStatisticsEvent) GetCausationID() string {
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return e.CausationID
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}
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func (e *BaseStatisticsEvent) GetCorrelationID() string {
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return e.CorrelationID
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}
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func (e *BaseStatisticsEvent) Marshal() ([]byte, error) {
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return json.Marshal(e)
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}
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func (e *BaseStatisticsEvent) Unmarshal(data []byte) error {
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return json.Unmarshal(data, e)
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}
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// ================ 指标相关事件 ================
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// MetricCreatedEvent 指标创建事件
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type MetricCreatedEvent struct {
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*BaseStatisticsEvent
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MetricID string `json:"metric_id"`
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MetricType string `json:"metric_type"`
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MetricName string `json:"metric_name"`
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Value float64 `json:"value"`
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Dimension string `json:"dimension"`
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Date time.Time `json:"date"`
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}
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func NewMetricCreatedEvent(metricID, metricType, metricName, dimension string, value float64, date time.Time, correlationID string) *MetricCreatedEvent {
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return &MetricCreatedEvent{
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BaseStatisticsEvent: &BaseStatisticsEvent{
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ID: uuid.New().String(),
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Type: string(MetricCreatedEventType),
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Version: "1.0",
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Timestamp: time.Now(),
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Source: "statistics-service",
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AggregateID: metricID,
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AggregateType: "StatisticsMetric",
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DomainVersion: "1.0",
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CorrelationID: correlationID,
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Metadata: map[string]interface{}{
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"metric_id": metricID,
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"metric_type": metricType,
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"metric_name": metricName,
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"dimension": dimension,
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},
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},
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MetricID: metricID,
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MetricType: metricType,
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MetricName: metricName,
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Value: value,
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Dimension: dimension,
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Date: date,
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}
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}
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func (e *MetricCreatedEvent) GetPayload() interface{} {
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return map[string]interface{}{
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"metric_id": e.MetricID,
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"metric_type": e.MetricType,
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"metric_name": e.MetricName,
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"value": e.Value,
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"dimension": e.Dimension,
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"date": e.Date,
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}
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}
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// MetricUpdatedEvent 指标更新事件
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type MetricUpdatedEvent struct {
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*BaseStatisticsEvent
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MetricID string `json:"metric_id"`
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OldValue float64 `json:"old_value"`
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NewValue float64 `json:"new_value"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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func NewMetricUpdatedEvent(metricID string, oldValue, newValue float64, correlationID string) *MetricUpdatedEvent {
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return &MetricUpdatedEvent{
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BaseStatisticsEvent: &BaseStatisticsEvent{
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ID: uuid.New().String(),
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Type: string(MetricUpdatedEventType),
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Version: "1.0",
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Timestamp: time.Now(),
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Source: "statistics-service",
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AggregateID: metricID,
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AggregateType: "StatisticsMetric",
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DomainVersion: "1.0",
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CorrelationID: correlationID,
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Metadata: map[string]interface{}{
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"metric_id": metricID,
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},
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},
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MetricID: metricID,
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OldValue: oldValue,
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NewValue: newValue,
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UpdatedAt: time.Now(),
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}
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}
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func (e *MetricUpdatedEvent) GetPayload() interface{} {
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return map[string]interface{}{
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"metric_id": e.MetricID,
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"old_value": e.OldValue,
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"new_value": e.NewValue,
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"updated_at": e.UpdatedAt,
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}
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}
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// MetricAggregatedEvent 指标聚合事件
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type MetricAggregatedEvent struct {
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*BaseStatisticsEvent
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MetricType string `json:"metric_type"`
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Dimension string `json:"dimension"`
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AggregatedAt time.Time `json:"aggregated_at"`
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RecordCount int `json:"record_count"`
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TotalValue float64 `json:"total_value"`
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}
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func NewMetricAggregatedEvent(metricType, dimension string, recordCount int, totalValue float64, correlationID string) *MetricAggregatedEvent {
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return &MetricAggregatedEvent{
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BaseStatisticsEvent: &BaseStatisticsEvent{
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ID: uuid.New().String(),
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Type: string(MetricAggregatedEventType),
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Version: "1.0",
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Timestamp: time.Now(),
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Source: "statistics-service",
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AggregateID: uuid.New().String(),
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AggregateType: "StatisticsMetric",
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DomainVersion: "1.0",
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CorrelationID: correlationID,
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Metadata: map[string]interface{}{
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"metric_type": metricType,
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"dimension": dimension,
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},
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},
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MetricType: metricType,
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Dimension: dimension,
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AggregatedAt: time.Now(),
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RecordCount: recordCount,
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TotalValue: totalValue,
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}
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}
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func (e *MetricAggregatedEvent) GetPayload() interface{} {
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return map[string]interface{}{
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"metric_type": e.MetricType,
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"dimension": e.Dimension,
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"aggregated_at": e.AggregatedAt,
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"record_count": e.RecordCount,
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"total_value": e.TotalValue,
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}
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}
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// ================ 报告相关事件 ================
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// ReportCreatedEvent 报告创建事件
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type ReportCreatedEvent struct {
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*BaseStatisticsEvent
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ReportID string `json:"report_id"`
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ReportType string `json:"report_type"`
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Title string `json:"title"`
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Period string `json:"period"`
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UserRole string `json:"user_role"`
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}
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func NewReportCreatedEvent(reportID, reportType, title, period, userRole, correlationID string) *ReportCreatedEvent {
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return &ReportCreatedEvent{
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BaseStatisticsEvent: &BaseStatisticsEvent{
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ID: uuid.New().String(),
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Type: string(ReportCreatedEventType),
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Version: "1.0",
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Timestamp: time.Now(),
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Source: "statistics-service",
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AggregateID: reportID,
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AggregateType: "StatisticsReport",
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DomainVersion: "1.0",
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CorrelationID: correlationID,
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Metadata: map[string]interface{}{
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"report_id": reportID,
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"report_type": reportType,
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"user_role": userRole,
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},
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},
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ReportID: reportID,
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ReportType: reportType,
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Title: title,
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Period: period,
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UserRole: userRole,
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}
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}
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func (e *ReportCreatedEvent) GetPayload() interface{} {
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return map[string]interface{}{
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"report_id": e.ReportID,
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"report_type": e.ReportType,
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"title": e.Title,
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"period": e.Period,
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"user_role": e.UserRole,
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}
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}
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// ReportGenerationStartedEvent 报告生成开始事件
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type ReportGenerationStartedEvent struct {
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*BaseStatisticsEvent
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ReportID string `json:"report_id"`
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GeneratedBy string `json:"generated_by"`
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StartedAt time.Time `json:"started_at"`
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}
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func NewReportGenerationStartedEvent(reportID, generatedBy, correlationID string) *ReportGenerationStartedEvent {
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return &ReportGenerationStartedEvent{
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BaseStatisticsEvent: &BaseStatisticsEvent{
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ID: uuid.New().String(),
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Type: string(ReportGenerationStartedEventType),
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Version: "1.0",
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Timestamp: time.Now(),
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Source: "statistics-service",
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AggregateID: reportID,
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AggregateType: "StatisticsReport",
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DomainVersion: "1.0",
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CorrelationID: correlationID,
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Metadata: map[string]interface{}{
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"report_id": reportID,
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"generated_by": generatedBy,
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},
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},
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ReportID: reportID,
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GeneratedBy: generatedBy,
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StartedAt: time.Now(),
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}
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}
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func (e *ReportGenerationStartedEvent) GetPayload() interface{} {
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return map[string]interface{}{
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"report_id": e.ReportID,
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"generated_by": e.GeneratedBy,
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"started_at": e.StartedAt,
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}
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}
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// ReportCompletedEvent 报告完成事件
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type ReportCompletedEvent struct {
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*BaseStatisticsEvent
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ReportID string `json:"report_id"`
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CompletedAt time.Time `json:"completed_at"`
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ContentSize int `json:"content_size"`
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}
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func NewReportCompletedEvent(reportID string, contentSize int, correlationID string) *ReportCompletedEvent {
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return &ReportCompletedEvent{
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BaseStatisticsEvent: &BaseStatisticsEvent{
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ID: uuid.New().String(),
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Type: string(ReportCompletedEventType),
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Version: "1.0",
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Timestamp: time.Now(),
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Source: "statistics-service",
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AggregateID: reportID,
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AggregateType: "StatisticsReport",
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DomainVersion: "1.0",
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CorrelationID: correlationID,
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Metadata: map[string]interface{}{
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"report_id": reportID,
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},
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},
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ReportID: reportID,
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CompletedAt: time.Now(),
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ContentSize: contentSize,
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}
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}
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func (e *ReportCompletedEvent) GetPayload() interface{} {
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return map[string]interface{}{
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"report_id": e.ReportID,
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"completed_at": e.CompletedAt,
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"content_size": e.ContentSize,
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}
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}
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// ReportFailedEvent 报告失败事件
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type ReportFailedEvent struct {
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*BaseStatisticsEvent
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ReportID string `json:"report_id"`
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Reason string `json:"reason"`
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FailedAt time.Time `json:"failed_at"`
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}
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func NewReportFailedEvent(reportID, reason, correlationID string) *ReportFailedEvent {
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return &ReportFailedEvent{
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BaseStatisticsEvent: &BaseStatisticsEvent{
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ID: uuid.New().String(),
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Type: string(ReportFailedEventType),
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Version: "1.0",
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Timestamp: time.Now(),
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Source: "statistics-service",
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AggregateID: reportID,
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AggregateType: "StatisticsReport",
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DomainVersion: "1.0",
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CorrelationID: correlationID,
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Metadata: map[string]interface{}{
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"report_id": reportID,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
ReportID: reportID,
|
||
|
|
Reason: reason,
|
||
|
|
FailedAt: time.Now(),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e *ReportFailedEvent) GetPayload() interface{} {
|
||
|
|
return map[string]interface{}{
|
||
|
|
"report_id": e.ReportID,
|
||
|
|
"reason": e.Reason,
|
||
|
|
"failed_at": e.FailedAt,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ================ 仪表板相关事件 ================
|
||
|
|
|
||
|
|
// DashboardCreatedEvent 仪表板创建事件
|
||
|
|
type DashboardCreatedEvent struct {
|
||
|
|
*BaseStatisticsEvent
|
||
|
|
DashboardID string `json:"dashboard_id"`
|
||
|
|
Name string `json:"name"`
|
||
|
|
UserRole string `json:"user_role"`
|
||
|
|
CreatedBy string `json:"created_by"`
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewDashboardCreatedEvent(dashboardID, name, userRole, createdBy, correlationID string) *DashboardCreatedEvent {
|
||
|
|
return &DashboardCreatedEvent{
|
||
|
|
BaseStatisticsEvent: &BaseStatisticsEvent{
|
||
|
|
ID: uuid.New().String(),
|
||
|
|
Type: string(DashboardCreatedEventType),
|
||
|
|
Version: "1.0",
|
||
|
|
Timestamp: time.Now(),
|
||
|
|
Source: "statistics-service",
|
||
|
|
AggregateID: dashboardID,
|
||
|
|
AggregateType: "StatisticsDashboard",
|
||
|
|
DomainVersion: "1.0",
|
||
|
|
CorrelationID: correlationID,
|
||
|
|
Metadata: map[string]interface{}{
|
||
|
|
"dashboard_id": dashboardID,
|
||
|
|
"user_role": userRole,
|
||
|
|
"created_by": createdBy,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
DashboardID: dashboardID,
|
||
|
|
Name: name,
|
||
|
|
UserRole: userRole,
|
||
|
|
CreatedBy: createdBy,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e *DashboardCreatedEvent) GetPayload() interface{} {
|
||
|
|
return map[string]interface{}{
|
||
|
|
"dashboard_id": e.DashboardID,
|
||
|
|
"name": e.Name,
|
||
|
|
"user_role": e.UserRole,
|
||
|
|
"created_by": e.CreatedBy,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// DashboardUpdatedEvent 仪表板更新事件
|
||
|
|
type DashboardUpdatedEvent struct {
|
||
|
|
*BaseStatisticsEvent
|
||
|
|
DashboardID string `json:"dashboard_id"`
|
||
|
|
UpdatedBy string `json:"updated_by"`
|
||
|
|
UpdatedAt time.Time `json:"updated_at"`
|
||
|
|
Changes map[string]interface{} `json:"changes"`
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewDashboardUpdatedEvent(dashboardID, updatedBy string, changes map[string]interface{}, correlationID string) *DashboardUpdatedEvent {
|
||
|
|
return &DashboardUpdatedEvent{
|
||
|
|
BaseStatisticsEvent: &BaseStatisticsEvent{
|
||
|
|
ID: uuid.New().String(),
|
||
|
|
Type: string(DashboardUpdatedEventType),
|
||
|
|
Version: "1.0",
|
||
|
|
Timestamp: time.Now(),
|
||
|
|
Source: "statistics-service",
|
||
|
|
AggregateID: dashboardID,
|
||
|
|
AggregateType: "StatisticsDashboard",
|
||
|
|
DomainVersion: "1.0",
|
||
|
|
CorrelationID: correlationID,
|
||
|
|
Metadata: map[string]interface{}{
|
||
|
|
"dashboard_id": dashboardID,
|
||
|
|
"updated_by": updatedBy,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
DashboardID: dashboardID,
|
||
|
|
UpdatedBy: updatedBy,
|
||
|
|
UpdatedAt: time.Now(),
|
||
|
|
Changes: changes,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e *DashboardUpdatedEvent) GetPayload() interface{} {
|
||
|
|
return map[string]interface{}{
|
||
|
|
"dashboard_id": e.DashboardID,
|
||
|
|
"updated_by": e.UpdatedBy,
|
||
|
|
"updated_at": e.UpdatedAt,
|
||
|
|
"changes": e.Changes,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// DashboardActivatedEvent 仪表板激活事件
|
||
|
|
type DashboardActivatedEvent struct {
|
||
|
|
*BaseStatisticsEvent
|
||
|
|
DashboardID string `json:"dashboard_id"`
|
||
|
|
ActivatedBy string `json:"activated_by"`
|
||
|
|
ActivatedAt time.Time `json:"activated_at"`
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewDashboardActivatedEvent(dashboardID, activatedBy, correlationID string) *DashboardActivatedEvent {
|
||
|
|
return &DashboardActivatedEvent{
|
||
|
|
BaseStatisticsEvent: &BaseStatisticsEvent{
|
||
|
|
ID: uuid.New().String(),
|
||
|
|
Type: string(DashboardActivatedEventType),
|
||
|
|
Version: "1.0",
|
||
|
|
Timestamp: time.Now(),
|
||
|
|
Source: "statistics-service",
|
||
|
|
AggregateID: dashboardID,
|
||
|
|
AggregateType: "StatisticsDashboard",
|
||
|
|
DomainVersion: "1.0",
|
||
|
|
CorrelationID: correlationID,
|
||
|
|
Metadata: map[string]interface{}{
|
||
|
|
"dashboard_id": dashboardID,
|
||
|
|
"activated_by": activatedBy,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
DashboardID: dashboardID,
|
||
|
|
ActivatedBy: activatedBy,
|
||
|
|
ActivatedAt: time.Now(),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e *DashboardActivatedEvent) GetPayload() interface{} {
|
||
|
|
return map[string]interface{}{
|
||
|
|
"dashboard_id": e.DashboardID,
|
||
|
|
"activated_by": e.ActivatedBy,
|
||
|
|
"activated_at": e.ActivatedAt,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// DashboardDeactivatedEvent 仪表板停用事件
|
||
|
|
type DashboardDeactivatedEvent struct {
|
||
|
|
*BaseStatisticsEvent
|
||
|
|
DashboardID string `json:"dashboard_id"`
|
||
|
|
DeactivatedBy string `json:"deactivated_by"`
|
||
|
|
DeactivatedAt time.Time `json:"deactivated_at"`
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewDashboardDeactivatedEvent(dashboardID, deactivatedBy, correlationID string) *DashboardDeactivatedEvent {
|
||
|
|
return &DashboardDeactivatedEvent{
|
||
|
|
BaseStatisticsEvent: &BaseStatisticsEvent{
|
||
|
|
ID: uuid.New().String(),
|
||
|
|
Type: string(DashboardDeactivatedEventType),
|
||
|
|
Version: "1.0",
|
||
|
|
Timestamp: time.Now(),
|
||
|
|
Source: "statistics-service",
|
||
|
|
AggregateID: dashboardID,
|
||
|
|
AggregateType: "StatisticsDashboard",
|
||
|
|
DomainVersion: "1.0",
|
||
|
|
CorrelationID: correlationID,
|
||
|
|
Metadata: map[string]interface{}{
|
||
|
|
"dashboard_id": dashboardID,
|
||
|
|
"deactivated_by": deactivatedBy,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
DashboardID: dashboardID,
|
||
|
|
DeactivatedBy: deactivatedBy,
|
||
|
|
DeactivatedAt: time.Now(),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e *DashboardDeactivatedEvent) GetPayload() interface{} {
|
||
|
|
return map[string]interface{}{
|
||
|
|
"dashboard_id": e.DashboardID,
|
||
|
|
"deactivated_by": e.DeactivatedBy,
|
||
|
|
"deactivated_at": e.DeactivatedAt,
|
||
|
|
}
|
||
|
|
}
|