package particle import ( "time" ) type DummyData struct { Event string `json:"event"` Data string `json:"data"` Ttl int `json:"ttl"` PublishedAt string `json:"published_at"` } type ParticleData struct { Event string `json:"event"` Tags map[string]string `json:"tags"` Fields map[string]interface{} `json:"values"` } func (d *DummyData) Time() (time.Time, error) { return time.Parse("2006-01-02T15:04:05Z", d.PublishedAt) }