depot/go/trains/darwin/darwindb/ddbref.go

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2021-11-18 22:24:20 +00:00
package darwindb
import (
"context"
"fmt"
pgx "github.com/jackc/pgx/v4"
"hg.lukegb.com/lukegb/depot/go/trains/darwin"
)
// ProcessReferenceData updates the database by processing a PportReferenceData message in the given transaction.
func ProcessReferenceData(ctx context.Context, tx pgx.Tx, pprd *darwin.PushPortReferenceData, a *Affected) error {
crsToTIPLOC := make(map[string]string)
for _, loc := range pprd.Locations {
if loc.CRS != nil {
crsToTIPLOC[*loc.CRS] = loc.TIPLOC
}
_, err := tx.Exec(ctx, `
INSERT INTO ref_locations
(tiploc, name, crs, toc)
VALUES
($1, $2, $3, $4)
ON CONFLICT (tiploc) DO UPDATE
SET name=COALESCE(ref_locations.override_name, $2), crs=$3, toc=$4
`, loc.TIPLOC, loc.Name, loc.CRS, loc.TOC)
if err != nil {
return fmt.Errorf("updating location %q: %w", loc.TIPLOC, err)
}
a.TIPLOC(loc.TIPLOC)
}
for _, toc := range pprd.TOCs {
_, err := tx.Exec(ctx, `
INSERT INTO ref_tocs
(toc, name, url)
VALUES
($1, $2, $3)
ON CONFLICT (toc) DO UPDATE
SET name=$2, url=$3
`, toc.TOC, toc.Name, toc.URL)
if err != nil {
return fmt.Errorf("updating TOC %q: %w", toc.TOC, err)
}
}
for _, r := range pprd.LateRunningReasons {
_, err := tx.Exec(ctx, `
INSERT INTO ref_late_running_reasons
(code, text)
VALUES
($1, $2)
ON CONFLICT (code) DO UPDATE
SET text=$2
`, r.Code, r.Text)
if err != nil {
return fmt.Errorf("updating LateRunningReason %q: %w", r.Code, err)
}
}
for _, r := range pprd.CancellationReasons {
_, err := tx.Exec(ctx, `
INSERT INTO ref_cancel_reasons
(code, text)
VALUES
($1, $2)
ON CONFLICT (code) DO UPDATE
SET text=$2
`, r.Code, r.Text)
if err != nil {
return fmt.Errorf("updating CancellationReason %q: %w", r.Code, err)
}
}
for _, v := range pprd.Via {
_, err := tx.Exec(ctx, `
INSERT INTO ref_via
(at_crs, dest_tiploc, loc1_tiploc, loc2_tiploc, text)
VALUES
($1, $2, $3, $4, $5)
ON CONFLICT (at_crs, dest_tiploc, loc1_tiploc, loc2_tiploc) DO UPDATE
SET text=$5
RETURNING at_crs
`, v.AtCRS, v.DestTIPLOC, v.Loc1TIPLOC, v.Loc2TIPLOC, v.Text)
if err != nil {
return fmt.Errorf("updating Via %v/%v/%v/%v: %w", v.AtCRS, v.DestTIPLOC, v.Loc1TIPLOC, v.Loc2TIPLOC, err)
}
tiploc, ok := crsToTIPLOC[v.AtCRS]
if ok {
a.TIPLOC(tiploc)
}
}
for _, cis := range pprd.CISSource {
_, err := tx.Exec(ctx, `
INSERT INTO ref_cis
(code, name)
VALUES
($1, $2)
ON CONFLICT (code) DO UPDATE
SET name=$2
`, cis.CISCode, cis.Name)
if err != nil {
return fmt.Errorf("updating CISSource %v: %w", cis.CISCode, err)
}
}
return nil
}