init

api/service/biz_admin_crud.js

@@ -0,0 +1,189 @@
+/**
+ * 订阅模块通用 CRUD（与 admin 约定 POST /{model}/page|add|edit|del ，GET /{model}/detail|all）
+ */
+const baseModel = require("../../middleware/baseModel");
+const { op } = baseModel;
+
+function getRequestBody(ctx) {
+  if (ctx.request && ctx.request.body && Object.keys(ctx.request.body).length > 0) {
+    return ctx.request.body;
+  }
+  if (typeof ctx.getBody === "function") {
+    return ctx.getBody() || {};
+  }
+  return {};
+}
+
+function getModel(modelName) {
+  const m = baseModel[modelName];
+  if (!m) {
+    throw new Error(`模型不存在: ${modelName}`);
+  }
+  return m;
+}
+
+function normalizeForWrite(model, data, { forCreate } = {}) {
+  const attrs = model.rawAttributes;
+  const out = {};
+  for (const k of Object.keys(data || {})) {
+    if (!attrs[k]) continue;
+    let v = data[k];
+    if (v === "") {
+      if (k === "id" && forCreate) continue;
+      if (k.endsWith("_id") || k === "id") {
+        v = null;
+      } else if (attrs[k].allowNull) {
+        v = null;
+      }
+    }
+    if (k === "enabled_features" && typeof v === "string" && v.trim() !== "") {
+      try {
+        v = JSON.parse(v);
+      } catch (e) {
+        /* 保持原字符串，由 Sequelize 或 DB 报错 */
+      }
+    }
+    out[k] = v;
+  }
+  if (forCreate && out.id !== undefined && (out.id === "" || out.id === null)) {
+    delete out.id;
+  }
+  return out;
+}
+
+function buildSearchWhere(model, seachOption) {
+  const key = seachOption && seachOption.key;
+  const raw = seachOption && seachOption.value;
+  if (!key || raw === undefined || raw === null) return {};
+  const str = String(raw).trim();
+  if (str === "") return {};
+
+  const attr = model.rawAttributes[key];
+  if (!attr) {
+    return { [key]: { [op.like]: `%${str}%` } };
+  }
+
+  const typeKey = attr.type && attr.type.key;
+
+  if (typeKey === "BOOLEAN") {
+    if (str === "true" || str === "1" || str === "是") return { [key]: true };
+    if (str === "false" || str === "0" || str === "否") return { [key]: false };
+    return {};
+  }
+
+  if (typeKey === "ENUM") {
+    return { [key]: str };
+  }
+
+  if (
+    typeKey === "INTEGER" ||
+    typeKey === "BIGINT" ||
+    typeKey === "FLOAT" ||
+    typeKey === "DOUBLE" ||
+    typeKey === "DECIMAL"
+  ) {
+    const n = Number(str);
+    if (!Number.isNaN(n)) return { [key]: n };
+    return {};
+  }
+
+  if (typeKey === "DATE" || typeKey === "DATEONLY") {
+    return { [key]: str };
+  }
+
+  return { [key]: { [op.like]: `%${str}%` } };
+}
+
+async function page(modelName, body) {
+  const model = getModel(modelName);
+  const param = body.param || body;
+  const pageOption = param.pageOption || {};
+  const seachOption = param.seachOption || {};
+
+  const pageNum = parseInt(pageOption.page, 10) || 1;
+  const pageSize = parseInt(pageOption.pageSize, 10) || 20;
+  const offset = (pageNum - 1) * pageSize;
+
+  const where = buildSearchWhere(model, seachOption);
+
+  const { count, rows } = await model.findAndCountAll({
+    where,
+    offset,
+    limit: pageSize,
+    order: [["id", "DESC"]],
+  });
+
+  return { rows, count };
+}
+
+async function add(modelName, body) {
+  const model = getModel(modelName);
+  const payload = normalizeForWrite(model, body, { forCreate: true });
+  const row = await model.create(payload);
+  return row;
+}
+
+async function edit(modelName, body) {
+  const model = getModel(modelName);
+  const id = body.id;
+  if (id === undefined || id === null || id === "") {
+    throw new Error("缺少 id");
+  }
+  const payload = normalizeForWrite(model, body, { forCreate: false });
+  delete payload.id;
+  await model.update(payload, { where: { id } });
+  return {};
+}
+
+async function del(modelName, body) {
+  const model = getModel(modelName);
+  const id = body.id !== undefined ? body.id : body;
+  if (id === undefined || id === null || id === "") {
+    throw new Error("缺少 id");
+  }
+  await model.destroy({ where: { id } });
+  return {};
+}
+
+async function detail(modelName, query) {
+  const model = getModel(modelName);
+  const id = query && (query.id || query.ID);
+  if (id === undefined || id === null || id === "") {
+    throw new Error("缺少 id");
+  }
+  const row = await model.findByPk(id);
+  return row;
+}
+
+async function all(modelName) {
+  const model = getModel(modelName);
+  const rows = await model.findAll({
+    limit: 2000,
+    order: [["id", "DESC"]],
+  });
+  return rows;
+}
+
+async function exportCsv(modelName, body) {
+  const model = getModel(modelName);
+  const param = body.param || body;
+  const where = buildSearchWhere(model, param.seachOption || {});
+  const rows = await model.findAll({
+    where,
+    limit: 10000,
+    order: [["id", "DESC"]],
+  });
+  return { rows };
+}
+
+module.exports = {
+  page,
+  add,
+  edit,
+  del,
+  detail,
+  all,
+  exportCsv,
+  getRequestBody,
+  buildSearchWhere,
+};