repair reading from db
That was tiring
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1 changed files with 140 additions and 26 deletions
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@ -2,39 +2,155 @@
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Manage the local cache.
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*/
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/* Read all storeed data in the browser cache.
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import logging from "/gui/scripts/logging.JS";
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@param {string} prefname the preference name
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@param {int} cloud determine cloud reading, which is otherwise set to automatic (0)
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@return {dictionary} the preferences
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/* Read all stored data in the browser cache.
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@param {array} DATA_NAME the data name
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@param {int} CLOUD determine cloud reading, which is otherwise set to automatic (0)
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@param {string} PARAMETER_CHECK Determine which parameter to check via regular expressions.
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@return {object} the data
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*/
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export function read(prefname, cloud = 0) {
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export async function read(DATA_NAME, CLOUD = 0, PARAMETER_TEST = null) {
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// Initialize the selected pref data.
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let pref_data;
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let DATA = {}, DATA_ALL = {}, DATA_RETURNED = {};
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if (prefname) {
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// Retrieve the data.
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let data_readings = {'sync': null, 'local': null}
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chrome.storage.sync.get(null, (database) => {data_readings[`sync`] = database[prefname]});
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chrome.storage.sync.get(null, (database) => {data_readings[`local`] = database[prefname]});
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// Convert the entered prefname to an array if it is not one.
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if (!(typeof DATA_NAME).includes(`object`)) {
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// Avoid null
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if (((typeof DATA_NAME).includes(`str`)) ? DATA_NAME.trim() : DATA_NAME) {
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// Syntax of splitting is by commas.
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DATA_NAME = (String(DATA_NAME).trim()).split(",");
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}
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};
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if ((cloud == 0 && data_readings[`sync`]) || cloud == 1) {
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pref_data = data_readings[`sync`];
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/*
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Find the data now.
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@param {number} SOURCE the data source
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*/
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function read_database(SOURCE = -1) {
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let data = {};
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let data_returned;
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async function read_database_local() {
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return new Promise((resolve, reject) => {
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chrome.storage.local.get(null, function(result) {
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if (chrome.runtime.lastError) {
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// Something went wrong
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reject(new Error(chrome.runtime.lastError));
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} else {
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pref_data = data_readings[`local`];
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// If the key exists, return the value
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resolve(result);
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}
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});
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});
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};
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async function read_database_sync() {
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return new Promise((resolve, reject) => {
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chrome.storage.sync.get(null, function(result) {
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if (chrome.runtime.lastError) {
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// Something went wrong
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reject(new Error(chrome.runtime.lastError));
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} else {
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// If the key exists, return the value
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resolve(result);
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}
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});
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});
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}
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// Return the data.
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if (SOURCE > 0) {
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data_returned = read_database_sync();
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} else {
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data_returned = read_database_local();
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}
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return(data_returned);
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};
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/* Recursively find through each data, returning either that value or null when the object is not found.
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@param {dictionary} DATA_ALL the data
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@param {object} DATA_PATH the path of the data
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@return {object} the data
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*/
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function find_data(DATA_ALL, DATA_PATH, PARAMETER_TEST) {
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// Pull the data out.
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let DATA_PATH_SELECTED = String(DATA_PATH.shift()).trim();
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let DATA_SELECTED = DATA_ALL;
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// Only run when the data is valid.
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if (DATA_ALL) {
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if (DATA_SELECTED) {
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// Get the selected data.
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DATA_SELECTED = DATA_ALL[DATA_PATH_SELECTED];
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if (DATA_PATH.length > 0) {
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// Recursively run to make use of the existing data.
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DATA_SELECTED = find_data(DATA_SELECTED, DATA_PATH, PARAMETER_TEST);
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}
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} else if (PARAMETER_TEST && DATA_SELECTED) {
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let QUALIFIED = false;
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// The expected keys are "field" and "test value"
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DATA_SELECTED_KEYS = Object.keys(DATA_SELECTED);
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if (PARAMETER_TEST[`field`] && PARAMETER_TEST[`test value`]) {
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// Perform a sequential search.
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for (let DATA_SELECTED_KEY_INDEX = 0; ((DATA_SELECTED_KEY_INDEX < DATA_SELECTED_KEYS.length) || (!QUALIFIED)); DATA_SELECTED_KEY_INDEX++) {
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PARAMETER_TEST[`value`] = DATA_SELECTED[DATA_SELECTED_KEYS[DATA_SELECTED_KEY_INDEX]][PARAMETER_TEST[`field`]]
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if (PARAMETER_TEST[`value`]) {
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QUALIFIED = (((new RegExp(String(PARAMETER_TEST[`value`])).test(PARAMETER_TEST[`test value`])) || (PARAMETER_TEST[`test value`].includes(PARAMETER_TEST[`value`]))));
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};
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if (QUALIFIED) {
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DATA_SELECTED = DATA_SELECTED[DATA_SELECTED_KEYS[DATA_SELECTED_KEY_INDEX]];
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break;
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}
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}
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if (!QUALIFIED) {
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DATA_SELECTED = null;
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}
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} else {
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// You can get everything if you'd like.
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if (cloud > 0) {
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chrome.storage.sync.get(null, (database) => {pref_data = database});
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} else {
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chrome.storage.local.get(null, (database) => {pref_data = database;});
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// It is not valid, so do not return anything.
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DATA_SELECTED = null;
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}
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}
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}
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// Now return the data.
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return (DATA_SELECTED);
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}
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// Read data from local and sync storage (asynchronous operations)
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try {
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if (CLOUD <= 0) {
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[DATA_ALL[`local`]] = await Promise.all([read_database(-1)]);
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};
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if (CLOUD >= 0) {
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[DATA_ALL[`sync`]] = await Promise.all([read_database(1)]);
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};
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} catch ({name, message}) {
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logging.error(name, message);
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};
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// Let's get through everything and then determine which one has…
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(Object.keys(DATA_ALL)).forEach((DATA_SOURCE) => {
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if (DATA_ALL[DATA_SOURCE]) {
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DATA[DATA_SOURCE] = (DATA_NAME) ? find_data(DATA_ALL[DATA_SOURCE], DATA_NAME, PARAMETER_TEST) : DATA_ALL[DATA_SOURCE];
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}
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});
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return(pref_data);
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// Now return the data.
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DATA_RETURNED[`source`] = (CLOUD != 0) ? ((CLOUD > 0) ? `sync` : `local`) : (((DATA[`sync`]) ? (DATA[`sync`].length <= 0) : (DATA[`sync`])) ? `sync` : `local`)
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DATA_RETURNED[`value`] = DATA[DATA_RETURNED[`source`]];
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return(DATA_RETURNED[`value`]);
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}
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/* List the matching rule or memory for a particular domain.
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@ -112,7 +228,6 @@ export function specifics(WHERE, domain) {
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@param {int} CLOUD store in the cloud; otherwise set to automatic
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*/
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export function write(PREFERENCE, SUBPREFERENCE, DATA, CLOUD = 0) {
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let DATA_INJECTED = DATA;
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if (SUBPREFERENCE) {
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@ -200,7 +315,6 @@ export function forget(preference, subpreference, CLOUD = 0) {
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@param {dictionary} data this build's managed data
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*/
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export function init(data) {
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let PREFERENCES_ALL = {};
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PREFERENCES_ALL[`build`] = data;
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