BillTracker/client/lib/billDrafts.ts

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import { billingCycleForSchedule, scheduleValue } from './billingSchedule';
interface Category {
id: string | number;
name?: string | null;
}
interface Template {
name?: string | null;
categoryKeywords?: string[];
}
// The source bill a draft is seeded from. The specific fields the draft reads
// are declared; the index signature carries every other field through the spread.
interface SourceBill {
id?: string | number | null;
name?: string | null;
category_id?: string | number | null;
due_day?: number | null;
expected_amount?: number | null;
cycle_type?: string | null;
billing_cycle?: string | null;
cycle_day?: string | number | null;
autopay_enabled?: unknown;
autodraft_status?: string | null;
auto_mark_paid?: unknown;
has_2fa?: unknown;
snowball_include?: unknown;
snowball_exempt?: unknown;
[key: string]: unknown;
}
interface MakeBillDraftOptions {
copy?: boolean;
template?: Template | null;
categories?: Category[];
}
function categoryForTemplate(template: Template | null | undefined, categories: Category[] = []): string | number | null {
const keywords = template?.categoryKeywords || [];
const match = categories.find(category => {
const name = String(category.name || '').toLowerCase();
return keywords.some(keyword => name.includes(keyword));
});
return match?.id ?? null;
}
function categoryIdOrFallback(
categoryId: string | number | null | undefined,
template: Template | null,
categories: Category[] = [],
): string | number | null {
if (categoryId && categories.some(category => String(category.id) === String(categoryId))) {
return categoryId;
}
return template ? categoryForTemplate(template, categories) : null;
}
export function makeBillDraft(source: SourceBill | null | undefined, { copy = false, template = null, categories = [] }: MakeBillDraftOptions = {}) {
const data: SourceBill = source || {};
return {
...data,
id: undefined,
source_bill_id: copy && data.id != null ? data.id : undefined,
active: 1,
name: copy
? `${data.name || 'Bill'} (Copy)`
: (data.name || template?.name || ''),
category_id: categoryIdOrFallback(data.category_id, template, categories),
due_day: data.due_day || 1,
expected_amount: data.expected_amount ?? 0,
billing_cycle: billingCycleForSchedule(scheduleValue(data)),
cycle_type: scheduleValue(data),
cycle_day: String(data.cycle_day || '1'),
autopay_enabled: !!data.autopay_enabled,
autodraft_status: data.autodraft_status || (data.autopay_enabled ? 'assumed_paid' : 'none'),
auto_mark_paid: !!data.auto_mark_paid,
has_2fa: !!data.has_2fa,
snowball_include: !!data.snowball_include,
snowball_exempt: !!data.snowball_exempt,
};
}