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#15586 - Improve designer database.js code and type docs

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Source of some changes: #15586

Signed-off-by: William Desportes <williamdes@wdes.fr>
This commit is contained in:
William Desportes 2021-06-12 01:06:49 +02:00
parent 5b0641e885
commit bf9531cbad
No known key found for this signature in database
GPG Key ID: 90A0EF1B8251A889
1 changed files with 80 additions and 22 deletions
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102
js/src/designer/database.js
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@ -14,8 +14,46 @@ var designerTables = [
// eslint-disable-next-line no-unused-vars
var DesignerOfflineDB = (function () {
var designerDB = {};
/**
* @type {IDBDatabase|null}
*/
var datastore = null;
/**
* @param {String} table
* @return {IDBTransaction}
*/
designerDB.getTransaction = function (table) {
return datastore.transaction([table], 'readwrite');
};
/**
* @param {String} table
* @return {IDBObjectStore}
*/
designerDB.getObjectStore = function (table) {
var transaction = designerDB.getTransaction(table);
var objStore = transaction.objectStore(table);
return objStore;
};
/**
* @param {IDBTransaction} transaction
* @param {String} table
* @return {IDBObjectStore}
*/
designerDB.getCursorRequest = function (transaction, table) {
var objStore = transaction.objectStore(table);
var keyRange = IDBKeyRange.lowerBound(0);
var cursorRequest = objStore.openCursor(keyRange);
return cursorRequest;
};
/**
* @param {Function} callback
* @return {void}
*/
designerDB.open = function (callback) {
var version = 1;
var request = window.indexedDB.open('pma_designer', version);
@ -41,7 +79,7 @@ var DesignerOfflineDB = (function () {
request.onsuccess = function (e) {
datastore = e.target.result;
if (typeof callback !== 'undefined' && callback !== null) {
if (typeof callback === 'function') {
callback(true);
}
};
@ -49,10 +87,14 @@ var DesignerOfflineDB = (function () {
request.onerror = designerDB.onerror;
};
/**
* @param {String} table
* @param {String} id
* @param {Function} callback
* @return {void}
*/
designerDB.loadObject = function (table, id, callback) {
var db = datastore;
var transaction = db.transaction([table], 'readwrite');
var objStore = transaction.objectStore(table);
var objStore = designerDB.getObjectStore(table);
var cursorRequest = objStore.get(parseInt(id));
cursorRequest.onsuccess = function (e) {
@ -62,12 +104,14 @@ var DesignerOfflineDB = (function () {
cursorRequest.onerror = designerDB.onerror;
};
/**
* @param {String} table
* @param {Function} callback
* @return {void}
*/
designerDB.loadAllObjects = function (table, callback) {
var db = datastore;
var transaction = db.transaction([table], 'readwrite');
var objStore = transaction.objectStore(table);
var keyRange = IDBKeyRange.lowerBound(0);
var cursorRequest = objStore.openCursor(keyRange);
var transaction = designerDB.getTransaction(table);
var cursorRequest = designerDB.getCursorRequest(transaction, table);
var results = [];
transaction.oncomplete = function () {
@ -86,12 +130,14 @@ var DesignerOfflineDB = (function () {
cursorRequest.onerror = designerDB.onerror;
};
/**
* @param {String} table
* @param {Function} callback
* @return {void}
*/
designerDB.loadFirstObject = function (table, callback) {
var db = datastore;
var transaction = db.transaction([table], 'readwrite');
var objStore = transaction.objectStore(table);
var keyRange = IDBKeyRange.lowerBound(0);
var cursorRequest = objStore.openCursor(keyRange);
var transaction = designerDB.getTransaction(table);
var cursorRequest = designerDB.getCursorRequest(transaction, table);
var firstResult = null;
transaction.oncomplete = function () {
@ -109,14 +155,18 @@ var DesignerOfflineDB = (function () {
cursorRequest.onerror = designerDB.onerror;
};
/**
* @param {String} table
* @param {Object} obj
* @param {Function} callback
* @return {void}
*/
designerDB.addObject = function (table, obj, callback) {
var db = datastore;
var transaction = db.transaction([table], 'readwrite');
var objStore = transaction.objectStore(table);
var objStore = designerDB.getObjectStore(table);
var request = objStore.put(obj);
request.onsuccess = function (e) {
if (typeof callback !== 'undefined' && callback !== null) {
if (typeof callback === 'function') {
callback(e.currentTarget.result);
}
};
@ -124,14 +174,18 @@ var DesignerOfflineDB = (function () {
request.onerror = designerDB.onerror;
};
/**
* @param {String} table
* @param {String} id
* @param {Function} callback
* @return {void}
*/
designerDB.deleteObject = function (table, id, callback) {
var db = datastore;
var transaction = db.transaction([table], 'readwrite');
var objStore = transaction.objectStore(table);
var objStore = designerDB.getObjectStore(table);
var request = objStore.delete(parseInt(id));
request.onsuccess = function () {
if (typeof callback !== 'undefined' && callback !== null) {
if (typeof callback === 'function') {
callback(true);
}
};
@ -139,6 +193,10 @@ var DesignerOfflineDB = (function () {
request.onerror = designerDB.onerror;
};
/**
* @param {Error} e
* @return {void}
*/
designerDB.onerror = function (e) {
// eslint-disable-next-line no-console
console.log(e);