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web: save events on timer

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This commit is contained in:
Thomas Mathews 2022-12-20 18:52:34 -08:00
parent a5415906e9
commit add261dd01
3 changed files with 64 additions and 55 deletions
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47
web/js/event.js
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@ -121,51 +121,4 @@ function event_parse_reaction(ev) {
}
}
async function model_save_events(model) {
function _events_save(ev, resolve, reject) {
const db = ev.target.result;
let tx = db.transaction("events", "readwrite");
let store = tx.objectStore("events");
for (const evid in model.all_events) {
store.put(model.all_events[evid]);
}
tx.oncomplete = (ev) => {
db.close();
resolve();
log_debug("saved events!");
};
tx.onerror = (ev) => {
db.close();
log_error("failed to save events");
reject(ev);
};
}
return dbcall(_events_save);
}
async function model_load_events(model, fn) {
function _events_load(ev, resolve, reject) {
const db = ev.target.result;
const tx = db.transaction("events", "readonly");
const store = tx.objectStore("events");
const cursor = store.openCursor();
cursor.onsuccess = (ev) => {
var cursor = ev.target.result;
if (cursor) {
fn(cursor.value);
cursor.continue();
} else {
db.close();
resolve();
log_debug("Successfully loaded events");
}
}
cursor.onerror = (ev) => {
db.close();
reject(ev);
log_error("Could not load events.");
};
}
return dbcall(_events_load);
}