51 lines
1.9 KiB
TypeScript
51 lines
1.9 KiB
TypeScript
import { DbData, db } from './db.ts';
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import { System, Waypoint } from '../lib/types.ts';
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const addSystemStatement = db.prepare(`INSERT INTO systems(data) VALUES (json(?));`);
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const getSystemStatement = db.prepare(`SELECT data FROM systems WHERE data->>'symbol' = ?;`);
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const getSystemUpdatedStatement = db.prepare(`SELECT updated FROM systems WHERE data->>'symbol' = ?;`);
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const getSystemsCountStatement = db.prepare(`SELECT COUNT(data) as data FROM systems;`);
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const setSystemStatement = db.prepare(`UPDATE systems SET data = json(:data), updated = :date WHERE data->>'symbol' = :symbol;`);
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const setSystemWaypointsStatement = db.prepare(`UPDATE systems SET data = (SELECT json_set(data, '$.waypoints', json(:waypoints)) FROM systems WHERE data->>'symbol' = :symbol), updated = :date WHERE data->>'symbol' = :symbol;`);
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export function addSystem(data: System): void {
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addSystemStatement.run(JSON.stringify(data)).lastInsertRowid;
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}
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export function getSystem(symbol: string): System|null {
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const data = getSystemStatement.get(symbol) as DbData|undefined;
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if (!data) return null;
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return JSON.parse(data.data);
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}
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export function getSystemsCount(): number {
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const data = getSystemsCountStatement.get() as number|undefined;
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if (!data) return 0;
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return data;
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}
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export function getSystemUpdated(symbol: string): Date|null {
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const data = getSystemUpdatedStatement.get(symbol) as {updated: Date}|undefined;
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if (!data) return null;
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return data.updated;
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}
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export function setSystem(data: System): void {
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if (getSystem(data.symbol) === null) {
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addSystem(data);
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} else {
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setSystemStatement.run({
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data: JSON.stringify(data),
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date: new Date().toISOString(),
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symbol: data.symbol,
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});
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}
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}
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export function setSystemWaypoints(symbol: string, waypoints: Array<Waypoint>): void {
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setSystemWaypointsStatement.run({
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date: new Date().toISOString(),
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symbol: symbol,
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waypoints: JSON.stringify(waypoints),
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});
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}
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