mirror of
https://github.com/esiur/esiur-js.git
synced 2025-05-06 04:22:58 +00:00
385 lines
11 KiB
JavaScript
385 lines
11 KiB
JavaScript
/*
|
|
* Copyright (c) 2017-2021 Ahmed Kh. Zamil
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
/**
|
|
* Created by Ahmed Zamil on 2/18/2021.
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
import { ResourceTrigger } from '../Resource/IResource.js';
|
|
import IStore from '../Resource/IStore.js'
|
|
import AsyncReply from '../Core/AsyncReply.js';
|
|
import Codec from '../Data/Codec.js';
|
|
import Warehouse from '../Resource/Warehouse.js';
|
|
import DataType from '../Data/DataType.js';
|
|
import AsyncBag from '../Core/AsyncBag.js';
|
|
import ErrorType from '../Core/ErrorType.js';
|
|
import ExceptionCode from '../Core/ExceptionCode.js';
|
|
|
|
export default class IndexedDBStore extends IStore
|
|
{
|
|
constructor()
|
|
{
|
|
super();
|
|
this.resources = new Map();
|
|
this.classes = new Map();
|
|
}
|
|
|
|
compose(value)
|
|
{
|
|
let type = Codec.getDataType(value, null);
|
|
|
|
switch (type)
|
|
{
|
|
case DataType.Void:
|
|
// nothing to do;
|
|
return null;
|
|
|
|
case DataType.String:
|
|
return value;
|
|
|
|
case DataType.Resource:
|
|
case DataType.DistributedResource:
|
|
return { "type": 0 , "link": value.instance.link };
|
|
|
|
case DataType.Structure:
|
|
return this.composeStructure(value);
|
|
|
|
case DataType.VarArray:
|
|
return this.composeVarArray(value);
|
|
|
|
case DataType.ResourceArray:
|
|
return this.composeResourceArray(value);
|
|
|
|
case DataType.StructureArray:
|
|
return this.composeStructureArray(value);
|
|
|
|
default:
|
|
return value;
|
|
}
|
|
}
|
|
|
|
parse(value)
|
|
{
|
|
if (value instanceof Array)
|
|
{
|
|
let bag = new AsyncBag();
|
|
|
|
for(let i = 0; i < value.length; i++)
|
|
bag.add(this.parse(value[i]));
|
|
|
|
bag.seal();
|
|
|
|
return bag;
|
|
}
|
|
else if (value?.type !== undefined)
|
|
{
|
|
if (value.type == 0)
|
|
{
|
|
return Warehouse.get(value.link);
|
|
} // structure
|
|
else if (value.type == 1)
|
|
{
|
|
var bag = new AsyncBag();
|
|
var rt = new AsyncReply();
|
|
|
|
let s = new Structure();
|
|
|
|
for (let i = 0; i < value.values.length; i++)
|
|
bag.add(this.parse(value.values[i].value));
|
|
|
|
bag.seal();
|
|
bag.then((x) =>
|
|
{
|
|
for (let i = 0; i < x.Length; i++)
|
|
s[value.values[i].name] = x[i];
|
|
|
|
rt.trigger(s);
|
|
});
|
|
|
|
return rt;
|
|
}
|
|
else
|
|
return new AsyncReply(null);
|
|
}
|
|
else
|
|
{
|
|
return new AsyncReply(value);
|
|
}
|
|
}
|
|
|
|
|
|
addClass(type)
|
|
{
|
|
let template = type.template;
|
|
let className = template.namespace + "." + type.prototype.constructor.name;
|
|
this.classes.set(className, type);
|
|
}
|
|
|
|
fetch(id)
|
|
{
|
|
let self = this;
|
|
|
|
if (this.resources.has(id))
|
|
return new AsyncReply(this.resources.get(id));
|
|
|
|
let rt = new AsyncReply();
|
|
|
|
var transaction = this.db.transaction(["resources"]);
|
|
var objectStore = transaction.objectStore("resources");
|
|
var request = objectStore.get(id);
|
|
|
|
request.onerror = function(event) {
|
|
rt.triggerError(event);
|
|
};
|
|
|
|
request.onsuccess = function(event) {
|
|
var doc = request.result;
|
|
|
|
if (doc == null)
|
|
{
|
|
//rt.triggerError(ErrorType.Management, ExceptionCode.ResourceNotFound);
|
|
rt.trigger(null);
|
|
return;
|
|
}
|
|
|
|
if (!self.classes.has(doc.className))
|
|
{
|
|
rt.triggerError(ErrorType.Management, ExceptionCode.ClassNotFound);
|
|
return;
|
|
}
|
|
|
|
//let r = await Warehouse.new(, doc.name, this, null, null, this);
|
|
let type = self.classes.get(doc.className);
|
|
var proxyType = ResourceProxy.getProxy(type);
|
|
var resource = new proxyType();
|
|
self.resources.set(doc.id, resource);
|
|
|
|
resource._id = doc.id;
|
|
|
|
Warehouse.put(resource, doc.name, self, null, null, null, null).then(ok=>{
|
|
self.parse(doc.attributes).then(attributes=>{
|
|
|
|
resource.instance.setAttributes(attributes);
|
|
|
|
// Apply store managers
|
|
for (var i = 0; i < self.instance.managers.length; i++)
|
|
resource.instance.managers.add(self.instance.managers[i]);
|
|
|
|
// Load values
|
|
|
|
var bag = new AsyncBag();
|
|
|
|
for(var i = 0; i < doc.values.length; i++)
|
|
{
|
|
let v = doc.values[i];
|
|
|
|
bag.add(self.parse(v.value));
|
|
//var x = await this.parse(v.value);
|
|
resource.instance.loadProperty(v.name, v.age, v.modification, x);
|
|
}
|
|
|
|
bag.seal();
|
|
|
|
bag.then(ar=>{
|
|
for(var i = 0; i < ar.length; i++)
|
|
{
|
|
let v = doc.values[i];
|
|
resource.instance.loadProperty(v.name, v.age, v.modification, ar[i]);
|
|
}
|
|
|
|
rt.trigger(resource);
|
|
}).error(ex => rt.triggerError(ex));
|
|
}).error(ex => rt.triggerError(ex));
|
|
}).error(ex => rt.triggerError(ex));
|
|
};
|
|
|
|
return rt;
|
|
}
|
|
|
|
put(resource)
|
|
{
|
|
|
|
let rt = new AsyncReply();
|
|
|
|
var transaction = this.db.transaction(["resources"], "readwrite");
|
|
var objectStore = transaction.objectStore("resources");
|
|
|
|
|
|
let attrs = resource.instance.getAttributes();
|
|
|
|
var record = {
|
|
className: resource.instance.template.className,
|
|
name: resource.instance.name,
|
|
attributes: this.composeStructure(attrs),
|
|
};
|
|
|
|
if (resource._id != null)
|
|
record.id = resource._id;
|
|
|
|
// copy resource data
|
|
let props = resource.instance.template.properties;
|
|
|
|
var snap = {};
|
|
for(var i = 0; i < props.length; i++)
|
|
{
|
|
let pt = props[i];
|
|
snap[pt.name] = { "age": resource.instance.getAge(pt.index),
|
|
"modification": resource.instance.getModificationDate(pt.index),
|
|
"value": this.compose(resource[pt.name])
|
|
};
|
|
}
|
|
|
|
record.values = snap;
|
|
|
|
var request = objectStore.put(record);
|
|
|
|
request.onerror = function(event) {
|
|
rt.trigger(false);
|
|
};
|
|
|
|
request.onsuccess = function(event) {
|
|
resource["_id"] = request.result;
|
|
rt.trigger(true);
|
|
};
|
|
|
|
return rt;
|
|
}
|
|
|
|
// retrive(id)
|
|
// {
|
|
// let rt = new AsyncReply();
|
|
|
|
// var transaction = this.db.transaction(["resources"]);
|
|
// var objectStore = transaction.objectStore("resources");
|
|
// var request = objectStore.get(id);
|
|
|
|
// request.onerror = function(event) {
|
|
// rt.trigger(null);
|
|
// };
|
|
|
|
// request.onsuccess = function(event) {
|
|
// rt.trigger(request.result);
|
|
// };
|
|
|
|
// return rt;
|
|
// }
|
|
|
|
get(path)
|
|
{
|
|
var p = path.split('/');
|
|
if (p.length == 2)
|
|
if (p[0] == "id")
|
|
{
|
|
// load from Id
|
|
return this.fetch(parseInt(p[1]));
|
|
}
|
|
|
|
return new AsyncReply(null);
|
|
}
|
|
|
|
|
|
link(resource)
|
|
{
|
|
if (resource.instance.store == this)
|
|
return this.instance.name + "/" + resource._id;
|
|
}
|
|
|
|
trigger(trigger)
|
|
{
|
|
if (trigger == ResourceTrigger.Initialize)
|
|
{
|
|
let dbName = this.instance.attributes.item("db") ?? "esiur";
|
|
let request = indexedDB.open(dbName, 3);
|
|
let self = this;
|
|
let rt = new AsyncReply();
|
|
|
|
request.onupgradeneeded = function(event) {
|
|
self._store = request.result.createObjectStore("resources", {keyPath: "id", autoIncrement: true});
|
|
console.log(self._store);
|
|
};
|
|
|
|
request.onerror = function(event) {
|
|
console.error("Database error: " + event.target.errorCode);
|
|
rt.trigger(false);
|
|
};
|
|
|
|
request.onsuccess = function(event) {
|
|
console.log(event);
|
|
self.db = request.result;
|
|
rt.trigger(true);
|
|
};
|
|
|
|
return rt;
|
|
}
|
|
|
|
return new AsyncReply(true);
|
|
}
|
|
|
|
record(resource, propertyName, value, age, dateTime)
|
|
{
|
|
|
|
}
|
|
|
|
getRecord(resource, fromDate, toDate)
|
|
{
|
|
|
|
}
|
|
|
|
|
|
composeStructure(value)
|
|
{
|
|
return {type: 1, values: value.toObject()};
|
|
}
|
|
|
|
composeVarArray(array)
|
|
{
|
|
var rt = [];
|
|
|
|
for (var i = 0; i < array.length; i++)
|
|
rt.push(this.compose(array[i]));
|
|
return rt;
|
|
}
|
|
|
|
composeStructureArray(structures)
|
|
{
|
|
var rt = [];
|
|
|
|
if (structures == null || structures.Length == 0)
|
|
return rt;
|
|
|
|
for(var i = 0; i < structures.length; i++)
|
|
rt.push(this.composeStructure(structures[s]));
|
|
|
|
return rt;
|
|
}
|
|
|
|
composeResourceArray(array)
|
|
{
|
|
var rt = [];
|
|
for (var i = 0; i < array.length; i++)
|
|
rt.push({ "type": 0 , "link": array[i].instance.link });
|
|
return rt;
|
|
}
|
|
|
|
} |