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Persist filter cache

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Jordan Wages 2025-06-15 21:00:02 -05:00
commit 4432b23565
1 changed files with 39 additions and 0 deletions
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39
modules/ExpressionSearchFilter.jsm
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@ -4,6 +4,7 @@ var { MailServices } = ChromeUtils.importESModule("resource:///modules/MailSe
var { Services } = globalThis || ChromeUtils.importESModule("resource://gre/modules/Services.sys.mjs");
var { NetUtil } = ChromeUtils.importESModule("resource://gre/modules/NetUtil.sys.mjs");
var { MimeParser } = ChromeUtils.importESModule("resource:///modules/mimeParser.sys.mjs");
var { FileUtils } = ChromeUtils.importESModule("resource://gre/modules/FileUtils.sys.mjs");
var EXPORTED_SYMBOLS = ["AIFilter", "ClassificationTerm"];
@ -14,10 +15,47 @@ class CustomerTermBase {
this.name = this.extension.localeData.localizeMessage(nameId);
this.operators = operators;
this.cache = new Map();
this._cacheFile = Services.dirsvc.get("ProfD", Ci.nsIFile);
this._cacheFile.append("aifilter_cache.json");
this._loadCache();
console.log(`[ai-filter][ExpressionSearchFilter] Initialized term base "${this.id}"`);
}
_loadCache() {
try {
if (this._cacheFile.exists()) {
let stream = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(Ci.nsIFileInputStream);
stream.init(this._cacheFile, -1, 0, 0);
let data = NetUtil.readInputStreamToString(stream, stream.available());
stream.close();
let obj = JSON.parse(data);
for (let [k, v] of Object.entries(obj)) {
this.cache.set(k, v);
}
console.log(`[ai-filter][ExpressionSearchFilter] Loaded ${this.cache.size} cache entries`);
}
} catch (e) {
console.error(`[ai-filter][ExpressionSearchFilter] Failed to load cache`, e);
}
}
_saveCache() {
try {
let obj = Object.fromEntries(this.cache);
let data = JSON.stringify(obj);
let stream = Cc["@mozilla.org/network/file-output-stream;1"].createInstance(Ci.nsIFileOutputStream);
stream.init(this._cacheFile,
FileUtils.MODE_WRONLY | FileUtils.MODE_CREATE | FileUtils.MODE_TRUNCATE,
FileUtils.PERMS_FILE,
0);
stream.write(data, data.length);
stream.close();
} catch (e) {
console.error(`[ai-filter][ExpressionSearchFilter] Failed to save cache`, e);
}
}
getEnabled() {
console.log(`[ai-filter][ExpressionSearchFilter] getEnabled() called on "${this.id}"`);
return true;
@ -146,6 +184,7 @@ class ClassificationTerm extends CustomerTermBase {
console.log(`[ai-filter][ExpressionSearchFilter] Caching:`, key);
this.cache.set(key, matched);
this._saveCache();
}
} catch (e) {
console.error(`[ai-filter][ExpressionSearchFilter] HTTP request failed:`, e);