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books/fyo/models/NumberSeries.ts
18alantom de7e5ba807 refactor: rename 'frappe' to 'fyo' outside src
- cause now most of it is different from what it was
2022-05-23 16:18:22 +05:30

41 lines
1.0 KiB
TypeScript

import Doc from 'fyo/model/doc';
function getPaddedName(prefix: string, next: number, padZeros: number): string {
return prefix + next.toString().padStart(padZeros ?? 4, '0');
}
export default class NumberSeries extends Doc {
validate() {
const current = this.get('current') as number | null;
if (current) {
this.current = this.get('start');
}
}
async next(schemaName: string) {
this.validate();
const exists = await this.checkIfCurrentExists(schemaName);
if (!exists) {
return this.getPaddedName(this.current as number);
}
this.current = (this.current as number) + 1;
await this.update();
return this.getPaddedName(this.current as number);
}
async checkIfCurrentExists(schemaName: string) {
if (!schemaName) {
return true;
}
const name = this.getPaddedName(this.current as number);
return await this.fyo.db.exists(schemaName, name);
}
getPaddedName(next: number): string {
return getPaddedName(this.name as string, next, this.padZeros as number);
}
}