Finalize history admin tools and semantic UI navigation

internal/history/backfill.go

@@ -0,0 +1,68 @@
+package history
+
+import (
+	"context"
+	"database/sql"
+)
+
+type BackfillCurrentFromObservationsResult struct {
+	UpdatedComponentTypes int64 `json:"updated_component_types"`
+	UpdatedInstallationSlots int64 `json:"updated_installation_slots"`
+}
+
+func (s *Service) BackfillCurrentFromObservations(ctx context.Context) (BackfillCurrentFromObservationsResult, error) {
+	if s == nil || s.db == nil {
+		return BackfillCurrentFromObservationsResult{}, sql.ErrConnDone
+	}
+	tx, err := s.db.BeginTx(ctx, &sql.TxOptions{})
+	if err != nil {
+		return BackfillCurrentFromObservationsResult{}, err
+	}
+	defer func() { _ = tx.Rollback() }()
+
+	res1, err := tx.ExecContext(ctx, `
+		UPDATE parts p
+		LEFT JOIN observations o ON o.id = (
+			SELECT o2.id
+			FROM observations o2
+			WHERE o2.part_id = p.id
+			  AND JSON_EXTRACT(o2.details, '$.component_type') IS NOT NULL
+			ORDER BY o2.observed_at DESC, o2.created_at DESC, o2.id DESC
+			LIMIT 1
+		)
+		SET p.component_type = NULLIF(JSON_UNQUOTE(JSON_EXTRACT(o.details, '$.component_type')), '')
+		WHERE (p.component_type IS NULL OR p.component_type = '')`)
+	if err != nil {
+		return BackfillCurrentFromObservationsResult{}, err
+	}
+	res2, err := tx.ExecContext(ctx, `
+		UPDATE installations i
+		LEFT JOIN observations o ON o.id = (
+			SELECT o2.id
+			FROM observations o2
+			WHERE o2.part_id = i.part_id
+			ORDER BY o2.observed_at DESC, o2.created_at DESC, o2.id DESC
+			LIMIT 1
+		)
+		SET i.slot_name = COALESCE(
+			i.slot_name,
+			NULLIF(JSON_UNQUOTE(JSON_EXTRACT(o.details, '$.slot')), ''),
+			NULLIF(JSON_UNQUOTE(JSON_EXTRACT(o.details, '$.attributes.location')), ''),
+			CASE
+			  WHEN JSON_EXTRACT(o.details, '$.attributes.socket') IS NULL THEN NULL
+			  ELSE CONCAT('Socket ', JSON_UNQUOTE(JSON_EXTRACT(o.details, '$.attributes.socket')))
+			END,
+			NULLIF(JSON_UNQUOTE(JSON_EXTRACT(o.details, '$.attributes.bdf')), '')
+		)
+		WHERE i.removed_at IS NULL AND (i.slot_name IS NULL OR i.slot_name = '')`)
+	if err != nil {
+		return BackfillCurrentFromObservationsResult{}, err
+	}
+
+	if err := tx.Commit(); err != nil {
+		return BackfillCurrentFromObservationsResult{}, err
+	}
+	updatedTypes, _ := res1.RowsAffected()
+	updatedSlots, _ := res2.RowsAffected()
+	return BackfillCurrentFromObservationsResult{UpdatedComponentTypes: updatedTypes, UpdatedInstallationSlots: updatedSlots}, nil
+}