Optimizer

CHANGELOG.md

@@ -1,10 +1,12 @@
 <!-- Copyright (c) 2025, AgriTheory and contributors
 For license information, please see license.txt-->
 
+For license information, please see license.txt-->
+
 # CHANGELOG
 
 <div class="byline">
-  Rohan Bansal, Devarsh Bhatt, github-actions, IshwaryaM1030, Myuddin Khatri, Heather Kusmierz, Tyler Matteson, and Francisco Roldán 2025-10-09
+  Rohan Bansal, Devarsh Bhatt, coleandreoli, fproldan, github-actions, Myuddin Khatri, Heather Kusmierz, and Tyler Matteson 2024-12-02
 </div>
 
 

inventory_tools/inventory_tools/page/__init__.py

@@ -1,2 +1,2 @@
-# Copyright (c) 2025, AgriTheory and contributors
+# Copyright (c) 2024, AgriTheory and contributors
 # For license information, please see license.txt

inventory_tools/inventory_tools/page/optimizer/__init__.py

@@ -0,0 +1,96 @@
+# Copyright (c) 2024, AgriTheory and contributors
+# For license information, please see license.txt
+
+import frappe
+
+
+@frappe.whitelist()
+def get_work_order_gantt_data(work_order=None, production_item=None):
+	work_orders = get_work_order_dependencies(work_order, production_item)
+	dependency_map = {}
+	for d in work_orders:
+		if d.dependent_on:
+			if d.work_order not in dependency_map:
+				dependency_map[d.work_order] = []
+			dependency_map[d.work_order].append(d.dependent_on)
+	return [
+		{
+			"id": wo.work_order,
+			"name": f"{wo.production_item}:{wo.item_name}"
+			if wo.item_name != wo.production_item
+			else wo.production_item,
+			"start": wo.planned_start_date,
+			"end": wo.planned_end_date,
+			"progress": 100 if wo.status == "Completed" else 10,
+			"dependencies": ",".join(dependency_map.get(wo.work_order, [])),
+		}
+		for wo in work_orders
+	]
+
+
+def get_work_order_dependencies(work_order=None, production_item=None):
+	conditions = ["wo.status = 'Not Started'"]
+	if work_order:
+		conditions.append(
+			"""(
+				wo.name = %(work_order)s
+				OR wo2.name = %(work_order)s
+				OR EXISTS (
+					SELECT 1 FROM `tabWork Order Item` woi2
+					WHERE woi2.parent = %(work_order)s
+					AND woi2.item_code = wo.production_item
+				)
+		)"""
+		)
+	if production_item:
+		conditions.append("wo.production_item = %(production_item)s")
+
+	where_clause = "WHERE " + " AND ".join(conditions)
+
+	query = f"""
+	WITH RECURSIVE work_order_tree AS (
+		SELECT
+			wo.name as work_order,
+			wo.production_item,
+			wo.item_name,
+			wo2.name as dependent_on,
+			wo.planned_start_date,
+			wo.planned_end_date,
+			wo.status,
+			0 as level
+		FROM `tabWork Order` wo
+		LEFT JOIN `tabWork Order Item` woi ON woi.parent = wo.name
+		LEFT JOIN `tabWork Order` wo2 ON wo2.production_item = woi.item_code
+		{where_clause}
+
+		UNION ALL
+
+		SELECT
+			t.work_order,
+			wo.production_item,
+			wo.item_name,
+			wo2.name,
+			wo.planned_start_date,
+			wo.planned_end_date,
+			wo.status,
+			t.level + 1
+		FROM work_order_tree t
+		JOIN `tabWork Order Item` woi ON woi.parent = t.dependent_on
+		JOIN `tabWork Order` wo2 ON wo2.production_item = woi.item_code
+		JOIN `tabWork Order` wo ON wo.name = t.work_order
+		WHERE t.level < 10
+	)
+	SELECT * FROM work_order_tree
+	GROUP BY work_order
+	ORDER BY level
+	"""
+	return frappe.db.sql(
+		query, {"work_order": work_order, "production_item": production_item}, as_dict=True
+	)
+
+
+def get_optimized_data(work_order_names=None, start_datetime=None):
+	from Job_Shop_Scheduling_Benchmark_Environments_and_Instances.frappe.frappe_parser import FrappeJobShop
+	op_schedule = FrappeJobShop(work_order_names)
+	op_schedule.solve_fjsp()
+	return op_schedule.get_optimizer_schedule(start_datetime)

inventory_tools/inventory_tools/page/optimizer/optimizer.js

@@ -0,0 +1,178 @@
+// Copyright (c) 2024, AgriTheory and contributors
+// For license information, please see license.txt
+
+frappe.pages['optimizer'].on_page_load = wrapper => {
+	frappe.require(
+		[
+			'assets/frappe/node_modules/frappe-gantt/dist/frappe-gantt.css',
+			'assets/frappe/node_modules/frappe-gantt/dist/frappe-gantt.min.js',
+		],
+		() => {
+			const page = frappe.ui.make_app_page({
+				parent: wrapper,
+				title: 'Optimizer',
+				single_column: true,
+			})
+
+			frappe.pages['optimizer'].gantt_view = new OptimizerView(page)
+		}
+	)
+}
+
+class OptimizerView {
+	constructor(page) {
+		this.page = page
+		this.setup_filters()
+		this.setup_page()
+		this.init_gantt()
+	}
+
+	setup_filters() {
+		this.page.add_field({
+			label: 'Work Order',
+			fieldtype: 'Link',
+			options: 'Work Order',
+			fieldname: 'work_order',
+			onchange: () => this.init_gantt(),
+		})
+		this.page.add_field({
+			label: 'Production Item',
+			fieldtype: 'Link',
+			options: 'Item',
+			fieldname: 'production_item',
+			onchange: () => this.init_gantt(),
+		})
+	}
+
+	setup_page() {
+		this.list_paging_area = $(`
+			<div class="level">
+					<div class="level-left">
+							<div class="btn-group">
+									<button class="btn btn-default btn-sm btn-paging" data-value="Quarter Day">Quarter Day</button>
+									<button class="btn btn-default btn-sm btn-paging" data-value="Half Day">Half Day</button>
+									<button class="btn btn-default btn-sm btn-paging" data-value="Day">Day</button>
+									<button class="btn btn-default btn-sm btn-paging" data-value="Week">Week</button>
+									<button class="btn btn-default btn-sm btn-paging" data-value="Month">Month</button>
+							</div>
+					</div>
+			</div>
+	 `).appendTo($('.page-form')[0])
+
+		this.setup_paging_events()
+
+		this.container = $('<div class="gantt-container gantt-modern">').appendTo(this.page.main)
+
+		this.output = $('<div class="gantt-view">')
+			.css({
+				overflow: 'auto',
+				minHeight: '200px',
+			})
+			.appendTo(this.container)[0]
+
+		this.resizer = $('<div class="resizer">')
+			.css({
+				height: '10px',
+				background: '#e0e0e0',
+				cursor: 'row-resize',
+				margin: '5px 0',
+				'&:hover': {
+					background: '#bdbdbd',
+				},
+			})
+			.appendTo(this.container)
+
+		this.actual = $('<div class="gantt-view">')
+			.css({
+				overflow: 'auto',
+				minHeight: '200px',
+			})
+			.appendTo(this.container)[0]
+
+		$(this.container).css({
+			display: 'grid',
+			'grid-template-rows': '40vh 10px 40vh',
+			gap: '0',
+			height: '85vh',
+		})
+
+		this.setup_resizer()
+	}
+
+	init_gantt() {
+		const filters = {
+			work_order: this.page.fields_dict.work_order.get_value(),
+			production_item: this.page.fields_dict.production_item.get_value(),
+		}
+
+		frappe
+			.xcall('inventory_tools.inventory_tools.page.optimizer.get_work_order_gantt_data', {
+				...filters,
+			})
+			.then(r => {
+				this.all_tasks = r
+				this.actual_gantt = new Gantt(this.actual, r, {
+					view_mode: 'Quarter Day',
+					on_click: task => {
+						frappe.set_route('Form', 'Work Order', task.id)
+					},
+				})
+				this.output_gantt = new Gantt(this.output, r, {
+					view_mode: 'Quarter Day',
+					on_click: task => {
+						frappe.set_route('Form', 'Work Order', task.id)
+					},
+					on_date_change: (task, start, end) => {
+						this.update_work_order(task.id, start, end)
+					},
+				})
+			})
+	}
+
+	update_work_order(name, start, end) {
+		frappe.call({
+			method: 'frappe.client.set_value',
+			args: {
+				doctype: 'Work Order',
+				name: name,
+				fieldname: {
+					planned_start_date: start,
+					planned_end_date: end,
+				},
+			},
+		})
+	}
+	setup_resizer() {
+		return
+		let startY, startHeightTop, startHeightBottom
+
+		this.resizer.on('mousedown', e => {
+			startY = e.clientY
+			startHeightTop = $(this.output).height()
+			startHeightBottom = $(this.actual).height()
+
+			$(document).on('mousemove', mousemove)
+			$(document).on('mouseup', mouseup)
+		})
+
+		const mousemove = e => {
+			const diff = e.clientY - startY
+			$(this.output).height(startHeightTop + diff)
+			$(this.actual).height(startHeightBottom - diff)
+		}
+
+		const mouseup = () => {
+			$(document).off('mousemove', mousemove)
+			$(document).off('mouseup', mouseup)
+		}
+	}
+
+	setup_paging_events() {
+		this.list_paging_area.find('.btn-paging').click(e => {
+			const view_mode = $(e.target).data('value')
+			console.log(view_mode)
+			this.output_gantt?.change_view_mode(view_mode)
+			this.actual_gantt?.change_view_mode(view_mode)
+		})
+	}
+}

inventory_tools/inventory_tools/page/optimizer/optimizer.json

@@ -0,0 +1,29 @@
+{
+	"content": null,
+	"creation": "2024-12-02 15:01:35.785409",
+	"docstatus": 0,
+	"doctype": "Page",
+	"icon": "gantt",
+	"idx": 0,
+	"modified": "2024-12-02 15:01:35.785409",
+	"modified_by": "Administrator",
+	"module": "Inventory Tools",
+	"name": "optimizer",
+	"owner": "Administrator",
+	"page_name": "optimizer",
+	"roles": [
+		{
+			"role": "Manufacturing Manager"
+		},
+		{
+			"role": "System Manager"
+		},
+		{
+			"role": "Stock Manager"
+		}
+	],
+	"script": null,
+	"standard": "Yes",
+	"style": null,
+	"system_page": 0
+}

inventory_tools/public/js/custom/work_order_list.js

@@ -1,8 +1,16 @@
-// Copyright (c) 2025, AgriTheory and contributors
+// Copyright (c) 2024, AgriTheory and contributors
 // For license information, please see license.txt
 
 frappe.listview_settings['Work Order'] = {
 	refresh: listview => {
+		listview.page.add_custom_menu_item(
+			$('[data-view]').parent(),
+			__('Optimizer'),
+			() => frappe.set_route('/optimizer'),
+			true,
+			null,
+			'gantt'
+		)
 		listview.page.add_custom_menu_item(
 			$('[data-view]').parent(),
 			__('Alternative Workstations'),