如何解决如何在Strapi中构建支持Mongodb聚合的自定义graphql查询?
我尝试按照以下方式使用Strapi构建自定义graphql查询:
module.exports = {
definition: `
type flatOnts {
site_name: String
unit_no: String
firstname: String
lastName: String
description: String
isp_name: String
serial_number: String
status: Boolean
}
`,query: `
flattenOntObj: [flatOnts]
`,type: {},resolver: {
Query: {
flattenOntObj: {
description: "Return a flat ont object",resolverOf: "application::onts.onts.aggregate",resolver: async (obj,options,ctx) => {
const res = await strapi.api.onts.services.onts.aggregate([
{
$lookup: {
from: "onts",localField: "ont",foreignField: "_id",as: "ont_details",},{
$replaceRoot: {
newRoot: {
$mergeObjects: [
{
$arrayElemAt: ["$ont_details",0],"$$ROOT",],]);
console.log(res);
},};
但是,在Graphql操场上运行此代码时,出现“禁止”错误。
有什么想法或建议吗?
感谢任何帮助。
解决方法
没关系,我说对了。我错过了Strapi文档中解释它的部分:https://strapi.io/documentation/3.0.0-beta.x/concepts/queries.html#custom-queries
在文件夹中:api/model/services/model.js
(我的情况是:api/onts/services/ont.js
)
module.exports = {
aggregate: async (aggArray) => {
const res = await strapi.query("ont").model.aggregate(aggArray);
return res;
},};
,然后在api / onts / config / schema.graphql.js中:
module.exports = {
definition: `
type flatOnts {
site_name: String
unit_no: String
firstname: String
lastName: String
description: String
isp_name: String
serial_number: String
status: Boolean
}
`,query: `
flattenOntObj: [flatOnts]
`,type: {},resolver: {
Query: {
flattenOntObj: {
description: "Return a flat ont object",// policies: ["plugins::users-permissions.isAuthenticated"],resolverOf: "application::onts.onts.find",resolver: async (obj,options,ctx) => {
const aggregationArray = [
{
$lookup: {
from: "onts",localField: "ont",foreignField: "_id",as: "ont_details",},{
$replaceRoot: {
newRoot: {
$mergeObjects: [
{
$arrayElemAt: ["$ont_details",0],"$$ROOT",],];
const res = await strapi.api.onts.services.onts.aggregate(
aggregationArray
);
return res;
},};
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