feat: Adding loads and load-attachments endpoints

sections/loads/routes.js

@@ -0,0 +1,8 @@
+'use strict';
+const router = require('express').Router();
+const services= require('./services.js');
+
+router.get('/', services.getLoadsList);
+router.get('/:id', services.getLoad);
+
+module.exports = router;

sections/loads/services.js

@@ -0,0 +1,38 @@
+"use strict";
+const { ROOT_PATH, LIB_PATH, MODELS_PATH, HANDLERS_PATH } = process.env;
+const { getPagination , queryPage } = require( `${ROOT_PATH}/${LIB_PATH}/Misc.js` );
+const Model = require( `${ROOT_PATH}/${MODELS_PATH}/loads.model.js` );
+const UserModel = require( `${ROOT_PATH}/${MODELS_PATH}/users.model.js` );
+
+async function getAuthorizationFilter( userId ){
+    const user = await UserModel.findById( userId );
+    const companyId = user.company.toString();
+    return {
+        $or: [
+            { company : companyId },
+            { carrier : companyId },
+        ]
+    };
+}
+
+const getLoadsList = async(req, res) => {
+    const filter = await getAuthorizationFilter( req.JWT.payload.sub );
+    const { page , elements } = getPagination( req.query );
+    const retVal = await queryPage( page , elements, Model, filter );
+    res.send( retVal );
+};
+
+const getLoad = async(req, res) => {
+    const loadId = req.params.id;
+    const CompanyAccessFilter = await getAuthorizationFilter( req.JWT.payload.sub );
+    const filter = {
+        $and : [
+            { _id : loadId },
+            CompanyAccessFilter
+        ]
+    };
+    const retVal = await Model.findOne( filter ).populate('product').populate('categories') || {};
+    res.send( retVal );
+};
+
+module.exports = { getLoadsList, getLoad };