weijuesen
59 lines
2.8 KiB
Go
59 lines
2.8 KiB
Go
package model
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import (
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"encoding/json"
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"errors"
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"time"
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)
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// DiseaseEvent 独立发病事件，作为处置、会诊、溯源和效果评估主线。
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type DiseaseEvent struct {
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ID string `gorm:"type:uuid;primaryKey;default:gen_random_uuid()" json:"id"`
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SourceKey string `gorm:"column:source_key;size:128;uniqueIndex" json:"sourceKey,omitempty"`
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RoomID *string `gorm:"column:room_id;type:uuid;index" json:"roomId,omitempty"`
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BatchID *string `gorm:"column:batch_id;type:uuid;index" json:"batchId,omitempty"`
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DetectionTaskID *string `gorm:"column:detection_task_id;type:uuid;index" json:"detectionTaskId,omitempty"`
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LampTestID *string `gorm:"column:lamp_test_id;type:uuid;index" json:"lampTestId,omitempty"`
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ConsultationID *string `gorm:"column:consultation_id;type:uuid;index" json:"consultationId,omitempty"`
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InspectionID *string `gorm:"column:inspection_id;type:uuid;index" json:"inspectionId,omitempty"`
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Disease string `gorm:"size:64" json:"disease"`
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Status string `gorm:"size:16;default:suspected;index" json:"status"`
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Evidence json.RawMessage `gorm:"type:jsonb" json:"evidence,omitempty"`
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ConfirmedAt *time.Time `gorm:"column:confirmed_at;type:timestamptz" json:"confirmedAt,omitempty"`
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ConfirmedBy *string `gorm:"column:confirmed_by;type:uuid" json:"confirmedBy,omitempty"`
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LossSummary *string `gorm:"column:loss_summary;type:text" json:"lossSummary,omitempty"`
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Measure *string `gorm:"type:text" json:"measure,omitempty"`
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Note *string `gorm:"type:text" json:"note,omitempty"`
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CreatedAt time.Time `gorm:"type:timestamptz" json:"createdAt"`
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UpdatedAt time.Time `gorm:"type:timestamptz" json:"updatedAt"`
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RoomName *string `gorm:"-" json:"roomName,omitempty"`
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}
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func (DiseaseEvent) TableName() string { return "disease_events" }
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// ValidDiseaseEventTransition 状态机：suspected/confirmed/controlled/closed/reopened。
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func ValidDiseaseEventTransition(from, to string) bool {
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switch from {
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case "suspected":
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return to == "confirmed" || to == "closed"
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case "confirmed":
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return to == "controlled" || to == "closed"
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case "controlled":
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return to == "closed" || to == "reopened"
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case "closed":
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return to == "reopened"
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case "reopened":
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return to == "confirmed" || to == "controlled" || to == "closed"
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default:
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return false
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}
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}
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// ValidateDiseaseEventEvidence 确诊必须有证据，不能仅凭状态字段确认。
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func ValidateDiseaseEventEvidence(event DiseaseEvent) error {
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if event.Status == "confirmed" && len(event.Evidence) == 0 {
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return errors.New("确诊发病事件必须提供证据")
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}
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return nil
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}
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