modules/item/back/methods/item-shelving/makeMulti.js

@@ -0,0 +1,71 @@
+module.exports = Self => {
+    Self.remoteMethod('makeMulti', {
+        description: 'Add a record or update it if it already exists.',
+        accessType: 'WRITE',
+        accepts: [{
+            arg: 'shelvingFk',
+            type: 'string',
+            required: true,
+        },
+        {
+            arg: 'items',
+            type: ['number'],
+            required: true,
+            description: 'array of item foreign keys'
+        },
+        {
+            arg: 'warehouseFk',
+            type: 'number',
+            required: true
+        }],
+
+        http: {
+            path: `/makeMulti`,
+            verb: 'POST'
+        }
+    });
+
+    Self.makeMulti = async(shelvingFk, items, warehouseFk, options) => {
+        const myOptions = {};
+        let tx;
+
+        if (typeof options == 'object')
+            Object.assign(myOptions, options);
+
+        if (!myOptions.transaction) {
+            tx = await Self.beginTransaction({});
+            myOptions.transaction = tx;
+        }
+
+        const discardItems = [];
+
+        try {
+            for (let item of items) {
+                if (!discardItems.includes(item)) {
+                    let quantity = items.reduce((acc, cur) => {
+                        return acc + (cur === item ? 1 : 0);
+                    }, 0);
+                    discardItems.push(item);
+
+                    const [result] = await Self.rawSql('SELECT vn.itemPacking(?, ?) itemPacking',
+                        [item, warehouseFk], myOptions);
+                    let packing;
+
+                    if (result) packing = result.itemPacking;
+                    if (!packing) packing = 1;
+
+                    quantity = quantity * packing;
+
+                    await Self.rawSql('CALL vn.itemShelving_add(?, ?, ?, NULL, NULL, ?, ?)',
+                        [shelvingFk, item, quantity, packing, warehouseFk], myOptions
+                    );
+                }
+            }
+
+            if (tx) await tx.commit();
+        } catch (e) {
+            if (tx) await tx.rollback();
+            throw e;
+        }
+    };
+};

modules/item/back/methods/item-shelving/specs/makeMulti.spec.js

@@ -0,0 +1,54 @@
+const {models} = require('vn-loopback/server/server');
+
+describe('ItemShelving makeMulti()', () => {
+    const warehouseFk = 1;
+
+    beforeAll(async() => {
+        ctx = {
+            accessToken: {userId: 9},
+            req: {
+                headers: {origin: 'http://localhost'},
+            }
+        };
+    });
+
+    it('should add two new records', async() => {
+        const shelvingFk = 'ZPP';
+        const items = [1, 1, 1, 2];
+        const tx = await models.ItemShelving.beginTransaction({});
+        const options = {transaction: tx};
+
+        try {
+            await models.ItemShelving.makeMulti(shelvingFk, items, warehouseFk, options);
+            const itemShelvings = await models.ItemShelving.find({where: {shelvingFk}}, options);
+
+            expect(itemShelvings.length).toEqual(2);
+            await tx.rollback();
+        } catch (e) {
+            await tx.rollback();
+            throw e;
+        }
+    });
+
+    it('should update the visible items', async() => {
+        const shelvingFk = 'GVC';
+        const items = [2, 2];
+        const tx = await models.ItemShelving.beginTransaction({});
+        const options = {transaction: tx};
+        try {
+            const {visible: itemsBefore} = await models.ItemShelving.findOne({
+                where: {shelvingFk, itemFk: items[0]}
+            }, options);
+            await models.ItemShelving.makeMulti(shelvingFk, items, warehouseFk, options);
+            const {visible: itemsAfter} = await models.ItemShelving.findOne({
+                where: {shelvingFk, itemFk: items[0]}
+            }, options);
+
+            expect(itemsAfter).toEqual(itemsBefore + 2);
+            await tx.rollback();
+        } catch (e) {
+            await tx.rollback();
+            throw e;
+        }
+    });
+});

modules/item/back/models/item-shelving.js

@@ -1,4 +1,5 @@
 module.exports = Self => {
     require('../methods/item-shelving/deleteItemShelvings')(Self);
+    require('../methods/item-shelving/makeMulti')(Self);
     require('../methods/item-shelving/getInventory')(Self);
 };