diff options
Diffstat (limited to 'nodejs/database/systems.js')
-rw-r--r-- | nodejs/database/systems.js | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/nodejs/database/systems.js b/nodejs/database/systems.js new file mode 100644 index 0000000..0d637df --- /dev/null +++ b/nodejs/database/systems.js @@ -0,0 +1,71 @@ +import db from './db.js'; + +const getSystemStatement = db.prepare(`SELECT data FROM systems WHERE data->>'symbol' = ?;`); +const getSystemUpdatedStatement = db.prepare(`SELECT updated FROM systems WHERE data->>'symbol' = ?;`); +const initStatement = db.prepare(`INSERT INTO config(key, value) VALUES ('systems_initialized', TRUE);`); +const isInitStatement = db.prepare(`SELECT value FROM config WHERE key = 'systems_initialized'`); +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 data->>'symbol' = :symbol), updated = :date WHERE data->>'symbol' = :symbol;`); + +export function init() { + try { + return initStatement.run().lastInsertRowid; + } catch (err) { + return null; + } +} + +export function isInit() { + try { + return isInitStatement.get().value === '1'; + } catch (err) { + return false; + } +} + +export function getSystem(symbol) { + try { + const data = getSystemStatement.get(symbol); + if (data === undefined) { + return null; + } + return JSON.parse(data.data); + } catch (err) { + console.log(err); + return null; + } +} + +export function getSystemUpdated(symbol) { + try { + 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), + }).changes; + } catch (err) { + console.log(err); + return null; + } +} |