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mirror of https://github.com/vladmandic/automatic synced 2026-09-18 08:44:33 +02:00
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Improve error handling

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awsr
2025-11-28 14:26:03 -08:00
parent 1b5295dd5e
commit eb4f4c683c
2 changed files with 60 additions and 45 deletions
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javascript/indexdb.js
+54 -43
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@@ -87,17 +87,21 @@ async function put(record) {
async function idbGetAllKeys(index = null, query = null) {
if (!db) return null;
return new Promise((resolve, reject) => {
let request;
const store = db
.transaction('thumbs', 'readonly')
.objectStore('thumbs');
if (index) {
request = store.index(index).getAllKeys(query);
} else {
request = store.getAllKeys(query);
try {
let request;
const transaction = db.transaction('thumbs', 'readonly');
const store = transaction.objectStore('thumbs');
if (index) {
request = store.index(index).getAllKeys(query);
} else {
request = store.getAllKeys(query);
}
request.onsuccess = () => resolve(request.result);
request.onerror = (e) => reject(e);
transaction.onabort = (e) => reject(e);
} catch (err) {
reject(err);
}
request.onsuccess = () => resolve(request.result);
request.onerror = (evt) => reject(evt);
});
}
@@ -110,17 +114,21 @@ async function idbGetAllKeys(index = null, query = null) {
async function idbCount(folder = null) {
if (!db) return null;
return new Promise((resolve, reject) => {
let request;
const store = db
.transaction('thumbs', 'readonly')
.objectStore('thumbs');
if (folder) {
request = store.index('folder').count(folder);
} else {
request = store.count();
try {
let request;
const transaction = db.transaction('thumbs', 'readonly');
const store = transaction.objectStore('thumbs');
if (folder) {
request = store.index('folder').count(folder);
} else {
request = store.count();
}
request.onsuccess = () => resolve(request.result);
request.onerror = (e) => reject(e);
transaction.onabort = (e) => reject(e);
} catch (err) {
reject(err);
}
request.onsuccess = () => resolve(request.result);
request.onerror = (evt) => reject(evt);
});
}
@@ -143,32 +151,35 @@ async function idbFolderCleanup(keepSet, folder, msgCallback) {
const totalRemovals = removals.size;
let counter = 0;
return new Promise((resolve, reject) => {
const folderIndex = db
.transaction('thumbs', 'readwrite')
.objectStore('thumbs')
.index('folder');
const request = folderIndex.openCursor(folder);
try {
const transaction = db.transaction('thumbs', 'readwrite');
const folderIndex = transaction.objectStore('thumbs').index('folder');
const request = folderIndex.openCursor(folder);
request.onsuccess = (evt) => {
const cursor = evt.target.result;
if (cursor) {
if (removals.has(cursor.primaryKey)) {
counter++;
cursor.delete();
}
if (counter === totalRemovals) {
resolve(counter); // Got lucky with element order and can stop early
} else {
if (counter % 100 === 0 && counter !== 0) {
msgCallback(Math.floor((counter / totalRemovals) * 100));
request.onsuccess = (evt) => {
const cursor = evt.target.result;
if (cursor) {
if (removals.has(cursor.primaryKey)) {
counter++;
cursor.delete();
}
cursor.continue();
if (counter === totalRemovals) {
resolve(counter); // Got lucky with element order and can stop early
} else {
if (counter % 100 === 0 && counter !== 0) {
msgCallback(Math.floor((counter / totalRemovals) * 100));
}
cursor.continue();
}
} else {
resolve(counter);
}
} else {
resolve(counter);
}
};
request.onerror = (evt) => reject(evt);
};
request.onerror = (e) => reject(e);
transaction.onabort = (e) => reject(e);
} catch (err) {
reject(err);
}
});
}