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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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8
web/js/damus.js
View file

@ -68,6 +68,7 @@ async function damus_web_init_ready() {
});
on_timer_timestamps();
on_timer_invalidations();
on_timer_save();
pool.on("open", on_pool_open);
pool.on("event", on_pool_event);
pool.on("notice", on_pool_notice);
@ -91,6 +92,13 @@ function on_timer_invalidations() {
}, 1 * 1000);
}
function on_timer_save() {
setTimeout(() => {
model_save_events(DAMUS);
on_timer_invalidations();
}, 10 * 1000);
}
/* on_pool_open occurs when a relay is opened. It then subscribes for the
* relative REQ as needed.
*/

47
web/js/event.js
View file

@ -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);
}

64
web/js/model.js
View file

@ -198,6 +198,17 @@ function model_subscribe_defaults(model, relay) {
filters_subscribe(filters, model.pool, [relay]);
}
function model_events_arr(model) {
const events = model.all_events;
let arr = [];
for (const evid in events) {
const ev = events[evid];
const i = arr_bsearch_insert(arr, ev, event_cmp_created);
arr.splice(i, 0, ev);
}
return arr;
}
function test_model_events_arr() {
const arr = model_events_arr({all_events: {
"c": {name: "c", created_at: 2},
@ -221,15 +232,52 @@ function test_model_events_arr() {
}
}
function model_events_arr(model) {
const events = model.all_events;
let arr = [];
for (const evid in events) {
const ev = events[evid];
const i = arr_bsearch_insert(arr, ev, event_cmp_created);
arr.splice(i, 0, 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]);
}
return arr;
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);
}
function new_model() {