129 lines
3.3 KiB
JavaScript
129 lines
3.3 KiB
JavaScript
/**
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* 列表筛选、写入字段裁剪、审计日志列表补列（供 admin 控制器直接配合 baseModel 使用）
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*/
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const Sequelize = require("sequelize");
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const { Op } = Sequelize;
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function build_search_where(model, seach_option) {
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const key = seach_option && seach_option.key;
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const raw = seach_option && seach_option.value;
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if (!key || raw === undefined || raw === null) return {};
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const str = String(raw).trim();
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if (str === "") return {};
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const attr = model.rawAttributes[key];
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if (!attr) {
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return { [key]: { [Op.like]: `%${str}%` } };
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}
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const type_key = attr.type && attr.type.key;
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if (type_key === "BOOLEAN") {
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if (str === "true" || str === "1" || str === "是") return { [key]: true };
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if (str === "false" || str === "0" || str === "否") return { [key]: false };
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return {};
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}
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if (type_key === "ENUM") {
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return { [key]: str };
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}
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if (
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type_key === "INTEGER" ||
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type_key === "BIGINT" ||
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type_key === "FLOAT" ||
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type_key === "DOUBLE" ||
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type_key === "DECIMAL"
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) {
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const n = Number(str);
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if (!Number.isNaN(n)) return { [key]: n };
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return {};
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}
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if (type_key === "DATE" || type_key === "DATEONLY") {
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return { [key]: str };
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}
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return { [key]: { [Op.like]: `%${str}%` } };
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}
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function normalize_for_write(model, data, { for_create } = {}) {
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const attrs = model.rawAttributes;
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const out = {};
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for (const k of Object.keys(data || {})) {
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if (!attrs[k]) continue;
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let v = data[k];
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if (v === "") {
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if (k === "id" && for_create) continue;
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if (k.endsWith("_id") || k === "id") {
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v = null;
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} else if (attrs[k].allowNull) {
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v = null;
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}
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}
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if (k === "enabled_features" && typeof v === "string" && v.trim() !== "") {
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try {
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v = JSON.parse(v);
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} catch (e) {
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/* 保持原字符串 */
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}
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}
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out[k] = v;
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}
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if (for_create && out.id !== undefined && (out.id === "" || out.id === null)) {
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delete out.id;
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}
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return out;
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}
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function list_query_extra(model_name, model) {
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if (model_name === "biz_audit_log") {
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const tn = model.tableName;
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return {
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attributes: {
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include: [[model.sequelize.col(`${tn}.created_at`), "created_at"]],
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},
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};
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}
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return {};
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}
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async function find_page(model, model_name, body, extra_find_options = {}) {
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const param = body.param || body;
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const page_option = param.pageOption || {};
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const seach_option = param.seachOption || {};
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const page_num = parseInt(page_option.page, 10) || 1;
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const page_size = parseInt(page_option.pageSize, 10) || 20;
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const offset = (page_num - 1) * page_size;
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const where = build_search_where(model, seach_option);
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return model.findAndCountAll({
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where,
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offset,
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limit: page_size,
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order: [["id", "DESC"]],
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...list_query_extra(model_name, model),
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...extra_find_options,
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});
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}
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async function find_for_export(model, model_name, body, extra_find_options = {}) {
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const param = body.param || body;
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const where = build_search_where(model, param.seachOption || {});
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const rows = await model.findAll({
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where,
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limit: 10000,
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order: [["id", "DESC"]],
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...list_query_extra(model_name, model),
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...extra_find_options,
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});
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return { rows };
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}
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module.exports = {
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build_search_where,
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normalize_for_write,
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list_query_extra,
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find_page,
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find_for_export,
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};
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