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import type {
FindOrCreateResult,
ICoreCache,
ICoreEntityHandler,
QInterface,
QInterfaceSearch,
} from '../lib';
import {
type ColumnPropMap,
type ColumnProps,
type EUpDateProperties,
getColumnMeta,
} from './annotation';
import { EntityValidator } from '../utils';
import CMap from './CoreMap';
/**
* A wrapper for CoreEntity operations providing a convenient API for CRUD
* actions, bulk operations, and caching support. The wrapper is parameterized
* by a concrete entity type {@link E} that extends {@link CoreEntity}.
*
* @template E - The entity type managed by this wrapper.
*/
export default class CoreEntityWrapper<E extends CoreEntity> {
getIns: () => E;
propMap: ColumnPropMap<E>;
cache: ICoreCache | null;
protected e_con: ICoreEntityHandler;
protected className: string;
constructor(
con: ICoreEntityHandler,
name: string,
getIns: () => E,
noCache = false,
) {
this.e_con = con;
this.className = name;
this.getIns = getIns;
this.propMap = this.genPropMap();
this.cache = !noCache ? con.getCache() : null;
}
async createObject(args: E): Promise<E> {
const { valid, invalidKey } = EntityValidator.validateObj(
this.propMap,
args,
false,
);
if (!valid) {
throw this.e_con.lError(
`validation failed for ${this.className} create\nInvalid Fields:${invalidKey.join(',')}`,
);
}
return this.e_con.createEntity<E>(
{
className: this.className,
meta: this.propMap,
},
args,
);
}
async updateObject(
e_id: string,
args: EUpDateProperties<E>,
): Promise<boolean> {
Iif (!EntityValidator.validateObj(this.propMap, args, true)) {
throw this.e_con.lError(`validation failed for ${this.className} update`);
}
await this.cache?.deleteE(this.className, e_id);
return this.e_con.updateEntity<E>(
{
className: this.className,
meta: this.propMap,
},
e_id,
args,
);
}
async updateObjectBulk(
e_id: string[],
args: EUpDateProperties<E>,
): Promise<boolean> {
Iif (!EntityValidator.validateObj(this.propMap, args, true)) {
throw this.e_con.lError(`validation failed for ${this.className} update`);
}
for (const id of e_id) {
await this.cache?.deleteE(this.className, id);
}
return this.e_con.updateBulkEntity<E>(
{
className: this.className,
meta: this.propMap,
},
e_id,
args,
);
}
async getObjById(id: string): Promise<E | null> {
if (this.cache) {
const has = await this.cache.getE<E>(this.className, id);
Iif (has) {
return has;
}
}
const res = await this.e_con.getEntityById<E>(
{
className: this.className,
meta: this.propMap,
},
id,
);
if (res && this.cache) {
await this.cache.setE<E>(this.className, res);
}
return res;
}
async getObjByIdBulk(id: string[]): Promise<E[]> {
const map = new CMap<string, E>();
if (this.cache) {
for (const i of id) {
const has = await this.cache.getE<E>(this.className, i);
if (has) {
map.set(i, has);
}
}
}
const missing = id.filter((i) => !map.has(i));
const res = await this.e_con.getEntityBulkById<E>(
{
className: this.className,
meta: this.propMap,
},
missing,
);
for (const r of res) {
map.set(r.e_id, r);
if (this.cache) {
await this.cache.setE<E>(this.className, r);
}
}
return map.toValueArray();
}
async getObjList(query?: QInterface<E>): Promise<E[]> {
return this.e_con.getEntityList<E>({
config: {
className: this.className,
meta: this.propMap,
},
...query,
});
}
async findObj(search: QInterfaceSearch<E>): Promise<E | null> {
return this.e_con.findEntity<E>(
{
className: this.className,
meta: this.propMap,
},
search,
);
}
async count(search?: QInterfaceSearch<E>): Promise<number> {
return this.e_con.countEntity<E>(
{ className: this.className, meta: this.propMap },
search,
);
}
async exists(search: QInterfaceSearch<E>): Promise<boolean> {
const result = await this.e_con.findEntity<E>(
{ className: this.className, meta: this.propMap },
search,
);
return result !== null;
}
async upsert(search: QInterfaceSearch<E>, data: E): Promise<E> {
const existing = await this.findObj(search);
if (existing) {
await this.updateObject(existing.e_id, data);
return (await this.getObjById(existing.e_id))!;
}
return this.createObject(data);
}
async findOrCreate(
search: QInterfaceSearch<E>,
createData: E,
): Promise<FindOrCreateResult<E>> {
const existing = await this.findObj(search);
if (existing) {
return { entity: existing, created: false };
}
const entity = await this.createObject(createData);
return { entity, created: true };
}
async delete(e_id: string): Promise<boolean> {
await this.cache?.deleteE(this.className, e_id);
return this.e_con.deleteEntityById(this.className, e_id);
}
async deleteBulk(e_id: string[]): Promise<boolean> {
for (const id of e_id) {
await this.cache?.deleteE(this.className, id);
}
return this.e_con.deleteEntityBulkById(this.className, e_id);
}
async init(): Promise<boolean> {
return this.e_con.initEntity(this.className, this.getIns());
}
getPropMap(): ColumnPropMap<E> {
return this.propMap;
}
private genPropMap(): ColumnPropMap<E> {
const map = new Map<keyof E, ColumnProps>();
const ent: E = this.getIns();
const keys = Object.keys(ent) as (keyof E)[];
keys.forEach((key) => {
map.set(key, getColumnMeta(ent, key) as ColumnProps);
});
return map;
}
}
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