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import { ajax as Ajax, Reflection } from "main.core";
import { CategoryModel } from "crm.category-model";
let instance = null;
/**
* @memberOf BX.Crm
*/
export class CategoryList {
#items: Object<number, CategoryModel[]> = {};
#isProgress: boolean = false;
static get Instance(): CategoryList
{
if ((window.top !== window) && Reflection.getClass('top.BX.Crm.CategoryList'))
{
return window.top.BX.Crm.CategoryList.Instance;
}
if (instance === null)
{
instance = new CategoryList();
}
return instance;
}
getItems(entityTypeId: number): Promise<CategoryModel[]>
{
return new Promise((resolve, reject) => {
if (this.#items.hasOwnProperty(entityTypeId))
{
resolve(this.#items[entityTypeId]);
return;
}
this.#loadItems(entityTypeId).then((categories) => {
this.#items[entityTypeId] = categories;
resolve(categories);
}).catch((error) => {
this.#items[entityTypeId] = [];
reject(error);
});
});
}
setItems(entityTypeId: number, items: CategoryModel[]): CategoryList
{
this.#items[entityTypeId] = items;
return this;
}
#loadItems(entityTypeId): Promise<CategoryModel[], string>
{
return new Promise((resolve, reject) => {
if (this.#isProgress)
{
reject('CategoryList is already loading');
return;
}
this.#isProgress = true;
Ajax.runAction('crm.category.list', {
data: {
entityTypeId,
}
}).then((response) => {
this.#isProgress = false;
const categories = [];
response.data.categories.forEach((category) => {
categories.push(new CategoryModel(category));
});
resolve(categories);
}).catch((response) => {
this.#isProgress = false;
reject("CategoryList error: " + response.errors.map(({message}) => message).join("; "));
});
});
}
}