[Enhancement] Work Order Material Consumption (#13384)

* Work Order Material Consumption

* Test cases and other minor fixes

* Test cases fixes

* Travis Fixes

* Work Order Material Consumption Request Changes

* Update work_order.js

Author: creamdory

erpnext/docs/assets/img/manufacturing/allow-material-consumption.png

@@ -0,0 +1,34 @@
+#Material consumption
+
+Material Consumption functionality allows you to have multiple consumption `Stock Entry` against a Work Order. To enable this, go to Manufacturing > Manufacturing Settings.
+
+<img class="screenshot" alt="Item Alternative" src="{{docs_base_url}}/assets/img/manufacturing/allow-material-consumption.png">
+
+Once enabled, a `Material Consumption` button will be available in Work Order once started.
+
+<img class="screenshot" alt="Item Alternative" src="{{docs_base_url}}/assets/img/manufacturing/material-consumption-button.png">
+
+When button is clicked, it will do the following:
+
+1.  It will create Stock Entry with purpose `Material Consumption for Manufacture`.
+
+<img class="screenshot" alt="Item Alternative" src="{{docs_base_url}}/assets/img/manufacturing/material-consumption-for-manufacture.png">
+
+2.  If the "Backflush Raw Materials Based On" in the Manufacturing Settings is set to `BOM`, if will propose to consume all required qty for manufacture.
+3.  If the "Backflush Raw Materials Based On" in the Manufacturing Settings is set to `Material Transferred for Manufacture`, if will propose to consume all transferred qty for manufacture.
+4.  Once submitted, it will update `Consumed Qty` column in the Work Order.
+
+<img class="screenshot" alt="Item Alternative" src="{{docs_base_url}}/assets/img/manufacturing/consumed-qty.png">
+
+5.  In succeeding Material Consumption, it will suggest unconsumed qty.
+6.  Once "Finish" button is clicked in Work Order, it will take into account consumed qty.
+
+### Validations
+
+* If "Allow Multiple Material Consumption" is not set in Manufacturing Settings but "Material Consumption for Manufacture" is use in Stock Entry.
+
+<img class="screenshot" alt="Item Alternative" src="{{docs_base_url}}/assets/img/manufacturing/material-consumption-stock-entry.gif">
+
+* Cannot cancel "Material Consumption for Manufacture" for completed Work Order.
+
+<img class="screenshot" alt="Item Alternative" src="{{docs_base_url}}/assets/img/manufacturing/cancel-material-consumption-stock-entry.gif">

erpnext/docs/assets/img/manufacturing/cancel-material-consumption-stock-entry.gif

@@ -0,0 +1,5 @@
+// Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+
+frappe.ui.form.on('Manufacturing Settings', {
+});