130 lines
3.8 KiB
TypeScript
130 lines
3.8 KiB
TypeScript
import "reflect-metadata";
|
|
import {
|
|
BaseEntity,
|
|
BeforeInsert,
|
|
BeforeUpdate,
|
|
EntityMetadata,
|
|
FindConditions,
|
|
getConnection,
|
|
getManager,
|
|
PrimaryColumn,
|
|
RemoveOptions,
|
|
} from "typeorm";
|
|
import { Snowflake } from "../util/Snowflake";
|
|
import "missing-native-js-functions";
|
|
|
|
// TODO use class-validator https://typeorm.io/#/validation with class annotators (isPhone/isEmail) combined with types from typescript-json-schema
|
|
// btw. we don't use class-validator for everything, because we need to explicitly set the type instead of deriving it from typescript also it doesn't easily support nested objects
|
|
|
|
export class BaseClassWithoutId extends BaseEntity {
|
|
constructor(private 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()}`];
|
|
|
|
if (setter) {
|
|
setter.call(this, props[key]);
|
|
} else {
|
|
// @ts-ignore
|
|
this[key] = props[key];
|
|
}
|
|
}
|
|
}
|
|
|
|
@BeforeUpdate()
|
|
@BeforeInsert()
|
|
validate() {
|
|
this.assign(this.props);
|
|
return this;
|
|
}
|
|
|
|
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: FindConditions<T>, propertyPath: string, value: number | string) {
|
|
const repository = this.getRepository();
|
|
return repository.increment(conditions, propertyPath, value);
|
|
}
|
|
|
|
static decrement<T extends BaseClass>(conditions: FindConditions<T>, propertyPath: string, value: number | string) {
|
|
const repository = this.getRepository();
|
|
return repository.decrement(conditions, propertyPath, value);
|
|
}
|
|
|
|
// static async delete<T>(criteria: FindConditions<T>, options?: RemoveOptions) {
|
|
// if (!criteria) throw new Error("You need to specify delete criteria");
|
|
|
|
// const repository = this.getRepository();
|
|
// const promises = repository.metadata.relations.map(async (x) => {
|
|
// if (x.orphanedRowAction !== "delete") return;
|
|
|
|
// const foreignKey =
|
|
// x.foreignKeys.find((key) => key.entityMetadata === repository.metadata) ||
|
|
// x.inverseRelation?.foreignKeys[0]; // find foreign key for this entity
|
|
// if (!foreignKey) {
|
|
// throw new Error(
|
|
// `Foreign key not found for entity ${repository.metadata.name} in relation ${x.propertyName}`
|
|
// );
|
|
// }
|
|
// const id = (criteria as any)[foreignKey.referencedColumnNames[0]];
|
|
// if (!id) throw new Error("id missing in criteria options " + foreignKey.referencedColumnNames);
|
|
|
|
// if (x.relationType === "many-to-many") {
|
|
// return getConnection()
|
|
// .createQueryBuilder()
|
|
// .relation(this, x.propertyName)
|
|
// .of(id)
|
|
// .remove({ [foreignKey.columnNames[0]]: id });
|
|
// } else if (
|
|
// x.relationType === "one-to-one" ||
|
|
// x.relationType === "many-to-one" ||
|
|
// x.relationType === "one-to-many"
|
|
// ) {
|
|
// return (x.inverseEntityMetadata.target as any).delete({ [foreignKey.columnNames[0]]: id });
|
|
// }
|
|
// });
|
|
// await Promise.all(promises);
|
|
// return super.delete(criteria, options);
|
|
// }
|
|
}
|
|
|
|
export class BaseClass extends BaseClassWithoutId {
|
|
@PrimaryColumn()
|
|
id: string;
|
|
|
|
assign(props: any = {}) {
|
|
super.assign(props);
|
|
if (!this.id) this.id = Snowflake.generate();
|
|
return this;
|
|
}
|
|
}
|