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Reworked the systems handling and caching with sqlite

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This commit is contained in:
Julien Dessaux 2023-05-31 01:19:31 +02:00
parent afe2db8a35
commit 61b5c8493e
Signed by: adyxax
GPG key ID: F92E51B86E07177E
4 changed files with 129 additions and 46 deletions
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6
database/001_systems.sql
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@ -1,6 +1,6 @@
CREATE TABLE systems (
id INTEGER PRIMARY KEY,
symbol TEXT NOT NULL UNIQUE,
data TEXT NOT NULL,
updated DATE DEFAULT (datetime('now'))
data JSON NOT NULL,
updated DATE DEFAULT NULL
);
CREATE UNIQUE INDEX systems_data_symbol on systems (json_extract(data, '$.symbol'));

51
database/systems.js
View file

@ -1,7 +1,25 @@
import db from './db.js';
const getSystemStatement = db.prepare(`SELECT data from systems where symbol = ?;`);
const setSystemStatement = db.prepare(`INSERT INTO systems(symbol, data) VALUES (?, ?);`);
const getSystemStatement = db.prepare(`SELECT data from systems where json_extract(data, '$.symbol') = ?;`);
const getSystemUpdatedStatement = db.prepare(`SELECT updated from systems where json_extract(data, '$.symbol') = ?;`);
const setSystemStatement = db.prepare(`INSERT INTO systems(data) VALUES (json(?));`);
const setSystemWaypointsStatement = db.prepare(`UPDATE systems SET data = (SELECT json_set(data, '$.waypoints', json(:waypoints)) FROM systems WHERE json_extract(data, '$.symbol') = :symbol), updated = :date WHERE json_extract(data, '$.symbol') = :symbol;`);
export function init() {
try {
return db.prepare(`INSERT INTO config(key, value) VALUES ('systems_initialized', TRUE);`).run().lastInsertRowid;
} catch (err) {
return null;
}
}
export function isInit() {
try {
return db.prepare(`SELECT value FROM config WHERE key = 'systems_initialized'`).get().value === '1';
} catch (err) {
return false;
}
}
export function getSystem(symbol) {
try {
@ -16,9 +34,34 @@ export function getSystem(symbol) {
}
}
export function setSystem(symbol, data) {
export function getSystemUpdated(symbol) {
try {
return setSystemStatement.run(symbol, JSON.stringify(data)).lastInsertRowid;
const updated = getSystemUpdatedStatement.get(symbol);
if (updated === undefined) {
return null;
}
return updated.updated;
} catch (err) {
console.log(err);
return null;
}
}
export function setSystem(data) {
try {
return setSystemStatement.run(JSON.stringify(data)).lastInsertRowid;
} catch (err) {
return null;
}
}
export function setSystemWaypoints(symbol, waypoints) {
try {
return setSystemWaypointsStatement.run({
date: new Date().toISOString(),
symbol: symbol,
waypoints: JSON.stringify(waypoints),
});
} catch (err) {
console.log(err);
return null;