From 61b5c8493e57c73469f31a795037922bd9d34931 Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Wed, 31 May 2023 01:19:31 +0200
Subject: Reworked the systems handling and caching with sqlite

---
 database/001_systems.sql |  6 +++---
 database/systems.js      | 51 ++++++++++++++++++++++++++++++++++++++++++++----
 2 files changed, 50 insertions(+), 7 deletions(-)

(limited to 'database')

diff --git a/database/001_systems.sql b/database/001_systems.sql
index 8448955..9ad76b1 100644
--- a/database/001_systems.sql
+++ b/database/001_systems.sql
@@ -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'));
diff --git a/database/systems.js b/database/systems.js
index 46b4663..e3822d3 100644
--- a/database/systems.js
+++ b/database/systems.js
@@ -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 {
+		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 setSystemStatement.run(symbol, JSON.stringify(data)).lastInsertRowid;
+		return setSystemWaypointsStatement.run({
+			date: new Date().toISOString(),
+			symbol: symbol,
+			waypoints: JSON.stringify(waypoints),
+		});
 	} catch (err) {
 		console.log(err);
 		return null;
-- 
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