115 lines
4.1 KiB
JavaScript
115 lines
4.1 KiB
JavaScript
const { all, audit, now, one, run } = require('../db');
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let cache = null;
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function clearCache() {
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cache = null;
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}
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function lookup() {
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if (!cache) {
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cache = {};
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for (const row of all('SELECT * FROM depreciation_zones')) cache[row.code] = row;
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}
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return cache;
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}
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// Raw row (incl. dates) for the engine; null when unknown or disabled.
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function getZone(code) {
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if (!code) return null;
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const zone = lookup()[code];
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return zone && zone.enabled ? zone : null;
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}
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function slugify(value) {
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return String(value || '').trim().toLowerCase().replace(/[^a-z0-9]+/g, '_').replace(/^_+|_+$/g, '').slice(0, 40);
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}
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function fromRow(row) {
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if (!row) return null;
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return {
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id: row.id,
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code: row.code,
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name: row.name,
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allowance_percent: row.allowance_percent,
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pis_start: row.pis_start,
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pis_end: row.pis_end,
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real_property_end: row.real_property_end,
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max_recovery_years: row.max_recovery_years,
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leasehold_life_years: row.leasehold_life_years,
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notes: row.notes,
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enabled: Boolean(row.enabled),
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asset_count: one('SELECT COUNT(*) AS c FROM assets WHERE special_zone = ?', [row.code]).c
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};
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}
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function list() {
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return all('SELECT * FROM depreciation_zones ORDER BY name').map(fromRow);
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}
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function normalize(body) {
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const num = (v) => (v === '' || v === null || v === undefined ? null : Number(v));
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return {
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name: String(body.name || '').trim(),
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allowance_percent: Number(body.allowance_percent) || 0,
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pis_start: body.pis_start || null,
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pis_end: body.pis_end || null,
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real_property_end: body.real_property_end || null,
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max_recovery_years: num(body.max_recovery_years),
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leasehold_life_years: num(body.leasehold_life_years),
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notes: body.notes || null,
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enabled: body.enabled === false ? 0 : 1
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};
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}
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function createZone(body, userId) {
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const input = normalize(body);
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if (!input.name) throw Object.assign(new Error('A zone name is required'), { status: 400 });
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const code = slugify(body.code || input.name);
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if (!code) throw Object.assign(new Error('A valid zone code is required'), { status: 400 });
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if (one('SELECT id FROM depreciation_zones WHERE code = ?', [code])) {
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throw Object.assign(new Error('A zone with that code already exists'), { status: 400 });
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}
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const ts = now();
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run(
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`INSERT INTO depreciation_zones (code, name, allowance_percent, pis_start, pis_end, real_property_end, max_recovery_years, leasehold_life_years, notes, enabled, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
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[code, input.name, input.allowance_percent, input.pis_start, input.pis_end, input.real_property_end, input.max_recovery_years, input.leasehold_life_years, input.notes, input.enabled, ts, ts]
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);
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clearCache();
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audit(userId, 'create', 'depreciation_zone', code, null, input);
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return fromRow(one('SELECT * FROM depreciation_zones WHERE code = ?', [code]));
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}
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function updateZone(code, body, userId) {
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const before = one('SELECT * FROM depreciation_zones WHERE code = ?', [code]);
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if (!before) return null;
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const input = normalize({ ...before, ...body, enabled: body.enabled === undefined ? Boolean(before.enabled) : body.enabled });
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run(
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`UPDATE depreciation_zones SET name = ?, allowance_percent = ?, pis_start = ?, pis_end = ?, real_property_end = ?,
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max_recovery_years = ?, leasehold_life_years = ?, notes = ?, enabled = ?, updated_at = ? WHERE code = ?`,
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[input.name, input.allowance_percent, input.pis_start, input.pis_end, input.real_property_end, input.max_recovery_years, input.leasehold_life_years, input.notes, input.enabled, now(), code]
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);
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clearCache();
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audit(userId, 'update', 'depreciation_zone', code, before, input);
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return fromRow(one('SELECT * FROM depreciation_zones WHERE code = ?', [code]));
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}
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function deleteZone(code, userId) {
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const before = one('SELECT * FROM depreciation_zones WHERE code = ?', [code]);
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if (!before) return false;
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run('DELETE FROM depreciation_zones WHERE code = ?', [code]);
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clearCache();
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audit(userId, 'delete', 'depreciation_zone', code, before, null);
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return true;
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}
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module.exports = {
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clearCache,
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createZone,
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deleteZone,
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getZone,
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list,
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updateZone
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};
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