81 lines
2.5 KiB
Go
81 lines
2.5 KiB
Go
package database
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import (
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"encoding/json"
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"fmt"
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"time"
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"git.adyxax.org/adyxax/spacetraders/golang/pkg/model"
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)
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// ----- System -----------------------------------------------------------------
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func (db *DB) LoadSystem(symbol string) (*model.System, error) {
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var buf []byte
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if err := db.QueryRow(`SELECT data FROM systems WHERE data->>'symbol' = ?;`, symbol).Scan(&buf); err != nil {
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return nil, fmt.Errorf("failed to query row: %w", err)
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}
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var system model.System
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if err := json.Unmarshal(buf, &system); err != nil {
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return nil, fmt.Errorf("failed to unmarshal system: %w", err)
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}
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return &system, nil
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}
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func (db *DB) SaveSystem(system *model.System) error {
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data, err := json.Marshal(system)
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if err != nil {
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return fmt.Errorf("failed to marshal system: %w", err)
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}
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if _, err := db.Exec(`INSERT INTO systems(data) VALUES (json(?));`, data); err != nil {
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return fmt.Errorf("failed to exec: %w", err)
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}
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return nil
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}
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// ----- Waypoint ---------------------------------------------------------------
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func (db *DB) LoadWaypoint(symbol string) (*model.Waypoint, error) {
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var buf []byte
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if err := db.QueryRow(`SELECT data FROM waypoints WHERE data->>'symbol' = ?;`, symbol).Scan(&buf); err != nil {
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return nil, fmt.Errorf("failed to query row: %w", err)
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}
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var waypoint model.Waypoint
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if err := json.Unmarshal(buf, &waypoint); err != nil {
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return nil, fmt.Errorf("failed to unmarshal waypoint: %w", err)
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}
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return &waypoint, nil
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}
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func (db *DB) LoadWaypointsInSystem(systemSymbol string) ([]model.Waypoint, error) {
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rows, err := db.Query(`SELECT data FROM waypoints WHERE data->>'systemSymbol' = ?;`, systemSymbol)
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if err != nil {
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return nil, fmt.Errorf("failed to query rows: %w", err)
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}
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defer rows.Close()
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waypoints := make([]model.Waypoint, 0)
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for rows.Next() {
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var buf []byte
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if err := rows.Scan(&buf); err != nil {
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return nil, fmt.Errorf("failed to scan row: %w", err)
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}
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var waypoint model.Waypoint
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if err := json.Unmarshal(buf, &waypoint); err != nil {
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return nil, fmt.Errorf("failed to unmarshal waypoint: %w", err)
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}
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waypoints = append(waypoints, waypoint)
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}
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if err := rows.Err(); err != nil {
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return nil, fmt.Errorf("failed to scan rows: %w", err)
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}
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return waypoints, nil
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}
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func (db *DB) SaveWaypoint(waypoint *model.Waypoint) error {
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data, err := json.Marshal(waypoint)
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if err != nil {
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return fmt.Errorf("failed to marshal waypoint: %w", err)
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}
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if _, err := db.Exec(`INSERT INTO waypoints(data, updated) VALUES (json(?), ?);`, data, time.Now()); err != nil {
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return fmt.Errorf("failed to exec: %w", err)
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}
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return nil
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}
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