From 93e6e02bcafaac0a57b7c1d98dca5ba52f32684b Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Thu, 15 Jun 2023 01:02:03 +0200
Subject: Began implementing surveying

---
 database/surveys.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 database/surveys.js

(limited to 'database/surveys.js')

diff --git a/database/surveys.js b/database/surveys.js
new file mode 100644
index 0000000..60c85b2
--- /dev/null
+++ b/database/surveys.js
@@ -0,0 +1,19 @@
+import db from './db.js';
+
+const deleteExpiredSurveysStatement = db.prepare(`DELETE FROM surveys WHERE data->>'expiration' < ?;`);
+const getSurveysStatement = db.prepare(`SELECT data FROM surveys WHERE data->>'symbol' = ?;`);
+const setSurveysStatement = db.prepare(`INSERT INTO surveys(data) VALUES (json(?));`);
+
+export function deleteExpired() {
+	return deleteExpiredSurveysStatement.run(new Date().toISOString()).changes;
+}
+
+export function get(symbol) {
+	deleteExpired();
+	return getSurveysStatement.all(symbol);
+}
+
+export function set(survey) {
+	deleteExpired();
+	return setSurveysStatement.run(JSON.stringify(survey));
+}
-- 
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