@ui-tool/core
Version:
85 lines • 12 kB
JavaScript
import { Injectable } from '@angular/core';
import { ReplaySubject } from 'rxjs';
import { StackItemDeletedEvent } from '../../../models/implementations/stacks/stack-item-deleted-event';
import { StackItemPushedEvent } from '../../../models/implementations/stacks/stack-item-pushed-event';
import { v4 } from 'uuid';
import * as i0 from "@angular/core";
export class StackService {
//#endregion
//#region Constructor
constructor() {
this.__stackCodeToContext = {};
}
//#endregion
//#region Methods
delete(stackCode, requestId) {
const context = this.__getContextByStackCode(stackCode);
const itemContextIndex = context.items.findIndex(item => item.id === requestId);
if (itemContextIndex < 0) {
return;
}
const itemContext = context.items[itemContextIndex];
if (!itemContext) {
return;
}
if (itemContext.option?.onItemBeingRemoved?.() === false) {
return;
}
context.items.splice(itemContextIndex, 1);
const stackItemDeletedEvent = new StackItemDeletedEvent(stackCode, context.items.map(x => x.id));
context.event$.next(stackItemDeletedEvent);
}
hookStackEvent(stackCode) {
const context = this.__getContextByStackCode(stackCode);
return context.event$.asObservable();
}
purge(designatedStackCode) {
if (!designatedStackCode) {
const stackCodes = Object.keys(this.__stackCodeToContext);
for (const stackCode of stackCodes) {
this.purgeByStackCode(stackCode);
}
return;
}
this.purgeByStackCode(designatedStackCode);
}
purgeByStackCode(stackCode) {
const context = this.__getContextByStackCode(stackCode);
context.items.splice(0);
const stackItemDeletedEvent = new StackItemDeletedEvent(stackCode, context.items.map(x => x.id));
context.event$.next(stackItemDeletedEvent);
}
push(stackCode, options) {
// Initialize request id.
const requestId = v4();
const context = this.__getContextByStackCode(stackCode);
if (options?.purge) {
context.items.splice(0);
}
context.items.push({
id: requestId,
option: options
});
const itemIds = context.items.map(x => x.id);
const stackItemPushedEvent = new StackItemPushedEvent(stackCode, requestId, itemIds);
context.event$.next(stackItemPushedEvent);
return requestId;
}
//#endregion
//#region Internal methods
__getContextByStackCode(stackCode) {
if (!this.__stackCodeToContext[stackCode]) {
this.__stackCodeToContext[stackCode] = {
event$: new ReplaySubject(1),
items: [],
};
}
return this.__stackCodeToContext[stackCode];
}
}
StackService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.3.11", ngImport: i0, type: StackService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
StackService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "13.3.11", ngImport: i0, type: StackService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.3.11", ngImport: i0, type: StackService, decorators: [{
type: Injectable
}], ctorParameters: function () { return []; } });
//# 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{IStackService} from '../../interfaces/stack-service.interface';\nimport {Injectable} from '@angular/core';\nimport {Observable, ReplaySubject, Subject} from 'rxjs';\nimport {StackItemDeletedEvent} from '../../../models/implementations/stacks/stack-item-deleted-event';\nimport {StackItemPushedEvent} from '../../../models/implementations/stacks/stack-item-pushed-event';\nimport {StackItemOptions} from '../../../models/implementations/stacks/stack-item-options';\nimport {IStackItemEvent} from '../../../models/interfaces/stacks/stack-item-event.interface';\nimport {v4} from 'uuid';\nimport {IStackContext} from '../../../models/interfaces/stacks/stack-context.interface';\n\n@Injectable()\nexport class StackService implements IStackService {\n\n  //#region Properties\n\n  // Mapping between container id & visibility emitter.\n  private readonly __stackCodeToContext: {\n    [stackCode: string]\n      : IStackContext\n  };\n\n  //#endregion\n\n  //#region Constructor\n\n  public constructor() {\n    this.__stackCodeToContext = {};\n  }\n\n  //#endregion\n\n  //#region Methods\n\n  public delete(stackCode: string, requestId: string): void {\n    const context = this.__getContextByStackCode(stackCode);\n    const itemContextIndex = context.items.findIndex(item => item.id === requestId);\n    if (itemContextIndex < 0) {\n      return;\n    }\n\n    const itemContext = context.items[itemContextIndex];\n    if (!itemContext) {\n      return;\n    }\n\n    if (itemContext.option?.onItemBeingRemoved?.() === false) {\n      return;\n    }\n\n    context.items.splice(itemContextIndex, 1);\n    const stackItemDeletedEvent = new StackItemDeletedEvent(stackCode, context.items.map(x => x.id));\n    context.event$.next(stackItemDeletedEvent);\n  }\n\n  public hookStackEvent(stackCode: string): Observable<IStackItemEvent> {\n    const context = this.__getContextByStackCode(stackCode);\n    return context.event$.asObservable();\n  }\n\n  public purge(designatedStackCode?: string): void {\n    if (!designatedStackCode) {\n\n      const stackCodes = Object.keys(this.__stackCodeToContext);\n      for (const stackCode of stackCodes) {\n        this.purgeByStackCode(stackCode);\n      }\n      return;\n    }\n\n    this.purgeByStackCode(designatedStackCode);\n  }\n\n  public purgeByStackCode(stackCode: string): void {\n    const context = this.__getContextByStackCode(stackCode);\n    context.items.splice(0);\n\n    const stackItemDeletedEvent = new StackItemDeletedEvent(stackCode, context.items.map(x => x.id));\n    context.event$.next(stackItemDeletedEvent);\n  }\n\n  public push(stackCode: string, options?: StackItemOptions): string {\n    // Initialize request id.\n    const requestId = v4();\n\n    const context = this.__getContextByStackCode(stackCode);\n    if (options?.purge) {\n      context.items.splice(0);\n    }\n    context.items.push({\n      id: requestId,\n      option: options\n    });\n\n    const itemIds = context.items.map(x => x.id);\n    const stackItemPushedEvent = new StackItemPushedEvent(stackCode, requestId, itemIds);\n    context.event$.next(stackItemPushedEvent);\n    return requestId;\n  }\n\n  //#endregion\n\n  //#region Internal methods\n\n  private __getContextByStackCode(stackCode: string): IStackContext {\n    if (!this.__stackCodeToContext[stackCode]) {\n      this.__stackCodeToContext[stackCode] = {\n        event$: new ReplaySubject<IStackItemEvent>(1),\n        items: [],\n      };\n    }\n\n    return this.__stackCodeToContext[stackCode];\n  }\n\n  //#endregion\n}\n"]}