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import "reflect-metadata";
import { BaseEntity, EntityMetadata, ObjectIdColumn, PrimaryColumn, FindOptionsWhere } from "typeorm";
import { Snowflake } from "../util/Snowflake";
import "missing-native-js-functions";
export class BaseClassWithoutId extends BaseEntity {
constructor(props?: any) {
super();
this.assign(props);
}
private get construct(): any {
return this.constructor;
}
private get metadata() {
return this.construct.getRepository().metadata as EntityMetadata;
}
assign(props: any = {}) {
delete props.opts;
delete props.props;
const properties = new Set(
this.metadata.columns
.map((x: any) => x.propertyName)
.concat(this.metadata.relations.map((x) => x.propertyName))
);
// will not include relational properties
for (const key in props) {
if (!properties.has(key)) continue;
// @ts-ignore
const setter = this[`set${key.capitalize()}`]; // use setter function if it exists
if (setter) {
setter.call(this, props[key]);
} else {
// @ts-ignore
this[key] = props[key];
}
}
}
toJSON(): any {
return Object.fromEntries(
this.metadata.columns // @ts-ignore
.map((x) => [x.propertyName, this[x.propertyName]]) // @ts-ignore
.concat(this.metadata.relations.map((x) => [x.propertyName, this[x.propertyName]]))
);
}
static increment<T extends BaseClass>(
conditions: FindOptionsWhere<T>,
propertyPath: string,
value: number | string
) {
const repository = this.getRepository();
return repository.increment(conditions, propertyPath, value);
}
static decrement<T extends BaseClass>(
conditions: FindOptionsWhere<T>,
propertyPath: string,
value: number | string
) {
const repository = this.getRepository();
return repository.decrement(conditions, propertyPath, value);
}
}
export const PrimaryIdColumn = process.env.DATABASE?.startsWith("mongodb") ? ObjectIdColumn : PrimaryColumn;
export class BaseClass extends BaseClassWithoutId {
@PrimaryIdColumn()
id: string;
assign(props: any = {}) {
super.assign(props);
if (!this.id) this.id = Snowflake.generate();
return this;
}
}
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