From eddddde263ffc31bb9865414c89e3c582b1ccc0a Mon Sep 17 00:00:00 2001
From: Yingtong Li <runassudo@yingtongli.me>
Date: Tue, 26 Jun 2018 21:28:10 +0930
Subject: [PATCH] Implement revenue/expense editing

---
 sstreasury/jinja2/sstreasury/budget_edit.html | 169 +++++++++++++++++-
 sstreasury/jinja2/sstreasury/budget_view.html |   5 +-
 2 files changed, 170 insertions(+), 4 deletions(-)

diff --git a/sstreasury/jinja2/sstreasury/budget_edit.html b/sstreasury/jinja2/sstreasury/budget_edit.html
index bdd7dfb..f9dcb16 100644
--- a/sstreasury/jinja2/sstreasury/budget_edit.html
+++ b/sstreasury/jinja2/sstreasury/budget_edit.html
@@ -38,7 +38,7 @@
 				<div class="ui calendar" id="cal_date">
 					<div class="ui input left icon grid">
 						<i class="calendar icon" style="z-index: 999;"></i>
-						<input class="twelve wide column" type="text" name="date" value="{{ revision.date }}">
+						<input class="twelve wide column" type="text" name="date" value="{{ revision.date or '' }}">
 					</div>
 				</div>
 			</div>
@@ -55,7 +55,8 @@
 		<div class="ui divider"></div>
 		<div class="ui inline grid field">
 			<label class="three wide column">Revenue</label>
-			<textarea class="eleven wide column" rows="4" name="revenue">{{ revision.revenue }}</textarea>
+			<div id="revenue_grid"></div>
+			<input type="hidden" name="revenue" id="revenue_input">
 		</div>
 		<div class="ui accordion">
 			<div class="{% if revision.revenue_comments %}active {% endif %}title">
@@ -72,7 +73,8 @@
 		<div class="ui divider"></div>
 		<div class="ui inline grid field">
 			<label class="three wide column">Expenses</label>
-			<textarea class="eleven wide column" rows="4" name="expense">{{ revision.expense }}</textarea>
+			<div id="expense_grid"></div>
+			<input type="hidden" name="expense" id="expense_input">
 		</div>
 		<div class="ui accordion">
 			<div class="{% if revision.revenue_comments %}active {% endif %}title">
@@ -98,6 +100,9 @@
 	{{ super() }}
 	
 	<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/semantic-ui-calendar@0.0.8/dist/calendar.min.css" integrity="sha256-KCHiPtYk/vfF5/6lDXpz5r5FuIYchVdai0fepwGft80=" crossorigin="anonymous">
+	<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/jsgrid@1.5.3/dist/jsgrid.min.css" integrity="sha256-a/jNbtm7jpeKiXCShJ8YC+eNL9Abh7CBiYXHgaofUVs=" crossorigin="anonymous">
+	<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/jsgrid@1.5.3/dist/jsgrid-theme.min.css" integrity="sha256-0rD7ZUV4NLK6VtGhEim14ZUZGC45Kcikjdcr4N03ddA=" crossorigin="anonymous">
+	<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/dragula@3.7.2/dist/dragula.min.css" integrity="sha256-iVhQxXOykHeL03K08zkxBGxDCLCuzRGGiTYf2FL6mLY=" crossorigin="anonymous">
 	
 	<style type="text/css">
 		textarea {
@@ -110,6 +115,8 @@
 	{{ super() }}
 	
 	<script src="https://cdn.jsdelivr.net/npm/semantic-ui-calendar@0.0.8/dist/calendar.min.js" integrity="sha256-Pnz4CK94A8tUiYWCfg/Ko25YZrHqOKeMS4JDXVTcVA0=" crossorigin="anonymous"></script>
+	<script src="https://cdn.jsdelivr.net/npm/jsgrid@1.5.3/dist/jsgrid.min.js" integrity="sha256-lzjMTpg04xOdI+MJdjBst98bVI6qHToLyVodu3EywFU=" crossorigin="anonymous"></script>
+	<script src="https://cdn.jsdelivr.net/npm/dragula@3.7.2/dist/dragula.min.js" integrity="sha256-ug4bHfqHFAj2B5MESRxbLd3R3wdVMQzug2KHZqFEmFI=" crossorigin="anonymous"></script>
 	
 	<script>
 		function leftpad(n) {
@@ -131,9 +138,165 @@
 		
 		$('.ui.form').form({
 			on: 'blur',
+			keyboardShortcuts: false,
 			fields: {
 				name: 'empty',
 				contributors: 'empty'
+			},
+			onSuccess: function(event, fields) {
+				var revenue_data = [];
+				$('#revenue_grid .jsgrid-grid-body tr:not(.totalrow)').each(function(i, el) {
+					var row = $(el).data('JSGridItem');
+					revenue_data.push({
+						'Description': row['Description'],
+						'Unit cost': row['Unit cost'],
+						'Units': row['Units'],
+						'IWT': row['IWT'],
+					});
+				});
+				$('#revenue_input').val(JSON.stringify(revenue_data));
+				
+				var expense_data = [];
+				$('#expense_grid .jsgrid-grid-body tr:not(.totalrow)').each(function(i, el) {
+					var row = $(el).data('JSGridItem');
+					expense_data.push({
+						'Description': row['Description'],
+						'Unit cost': row['Unit cost'],
+						'Units': row['Units'],
+					});
+				});
+				$('#expense_input').val(JSON.stringify(expense_data));
+			}
+		});
+		
+		// Interferes with jsGrid
+		$('.ui.form').on('keyup keypress', function(e) {
+			var keyCode = e.keyCode || e.which;
+			if (keyCode === 13) { 
+				e.preventDefault();
+				return false;
+			}
+		});
+		
+		function recalcRevTotal(args) {
+			//console.log(args);
+			var total = 0;
+			var totalIWT = 0;
+			for (var row of args.grid.data) {
+				total += row['Unit cost'] * row['Units'];
+				if (row['Unit cost'] > 0 && row['IWT']) {
+					totalIWT += (row['Unit cost'] - (row['Unit cost'] - 0.8) / 1.019) * row['Units'];
+				}
+			}
+			
+			$(args.grid._body).find('.totalrow').remove();
+			
+			if (totalIWT > 0) {
+				var totalrow = $('<tr class="jsgrid-row totalrow" style="font-weight: bold;"></tr>');
+				totalrow.append($('<td class="jsgrid-cell">Less IWT fees:</td>').prop('colspan', args.grid.fields.length - 2));
+				totalrow.append($('<td class="jsgrid-cell jsgrid-align-right"></td>').text('($' + totalIWT.toFixed(2) + ')'));
+				totalrow.append($('<td class="jsgrid-cell"></td>'));
+				$(args.grid._body).find('tr:last').after(totalrow);
+			}
+			
+			var totalrow = $('<tr class="jsgrid-row totalrow" style="font-weight: bold;"></tr>');
+			totalrow.append($('<td class="jsgrid-cell">Total:</td>').prop('colspan', args.grid.fields.length - 2));
+			totalrow.append($('<td class="jsgrid-cell jsgrid-align-right"></td>').text('$' + (total - totalIWT).toFixed(2)));
+			totalrow.append($('<td class="jsgrid-cell"></td>'));
+			$(args.grid._body).find('tr:last').after(totalrow);
+		}
+		
+		function recalcExpTotal(args) {
+			var total = 0;
+			for (var row of args.grid.data) {
+				total += row['Unit cost'] * row['Units'];
+			}
+			
+			$(args.grid._body).find('.totalrow').remove();
+			
+			var totalrow = $('<tr class="jsgrid-row totalrow" style="font-weight: bold;"></tr>');
+			totalrow.append($('<td class="jsgrid-cell">Plus emergency fund:</td>').prop('colspan', args.grid.fields.length - 2));
+			totalrow.append($('<td class="jsgrid-cell jsgrid-align-right"></td>').text('$' + (total * 0.05).toFixed(2)));
+			totalrow.append($('<td class="jsgrid-cell"></td>'));
+			$(args.grid._body).find('tr:last').after(totalrow);
+			
+			var totalrow = $('<tr class="jsgrid-row totalrow" style="font-weight: bold;"></tr>');
+			totalrow.append($('<td class="jsgrid-cell">Total:</td>').prop('colspan', args.grid.fields.length - 2));
+			totalrow.append($('<td class="jsgrid-cell jsgrid-align-right"></td>').text('$' + (total * 1.05).toFixed(2)));
+			totalrow.append($('<td class="jsgrid-cell"></td>'));
+			$(args.grid._body).find('tr:last').after(totalrow);
+		}
+		
+		// Allow floats
+		function FloatNumberField(config) {
+			jsGrid.NumberField.call(this, config);
+		}
+		FloatNumberField.prototype = new jsGrid.NumberField({
+			filterValue: function() {
+				return parseFloat(this.filterControl.val());
+			},
+			insertValue: function() {
+				return parseFloat(this.insertControl.val());
+			},
+			editValue: function() {
+				return parseFloat(this.editControl.val());
+			}
+		});
+		jsGrid.fields.float = FloatNumberField;
+		
+		var revenue_data = JSON.parse({{ import('json').dumps(import('json').dumps(revision.revenue))|safe }});
+		$('#revenue_grid').jsGrid({
+			width: '100%',
+			height: '20em',
+			inserting: true,
+			editing: true,
+			noDataContent: 'No entries',
+			data: revenue_data,
+			fields: [
+				{ name: 'Description', type: 'text', width: '55%', validate: 'required' },
+				{ name: 'Unit cost', type: 'float', width: '10%', validate: 'required', itemTemplate: function(value, item) { return '$' + value.toFixed(2); } },
+				{ name: 'Units', type: 'float', width: '10%', validate: 'required' },
+				{ name: 'IWT', type: 'checkbox', width: '5%' },
+				{ name: 'Total', align: 'right', width: '10%', itemTemplate: function(value, item) { return '$' + (item['Unit cost'] * item['Units']).toFixed(2); } },
+				{ type: 'control', width: '10%' },
+			],
+			onItemUpdated: recalcRevTotal,
+			onRefreshed: recalcRevTotal,
+		});
+		
+		var expense_data = JSON.parse({{ import('json').dumps(import('json').dumps(revision.expense))|safe }});
+		$('#expense_grid').jsGrid({
+			width: '100%',
+			height: '20em',
+			inserting: true,
+			editing: true,
+			noDataContent: 'No entries',
+			data: expense_data,
+			fields: [
+				{ name: 'Description', type: 'text', width: '55%', validate: 'required' },
+				{ name: 'Unit cost', type: 'float', width: '10%', validate: 'required', itemTemplate: function(value, item) { return '$' + value.toFixed(2); } },
+				{ name: 'Units', type: 'float', width: '10%', validate: 'required' },
+				{ name: 'Total', align: 'right', width: '10%', itemTemplate: function(value, item) { return '$' + (item['Unit cost'] * item['Units']).toFixed(2); } },
+				{ type: 'control', width: '10%' },
+			],
+			onItemUpdated: recalcExpTotal,
+			onRefreshed: recalcExpTotal,
+		});
+		
+		dragula([document.querySelector('#revenue_grid tbody')], {
+			accepts: function (el, target, source, sibling) {
+				return sibling !== null && !sibling.classList.contains('totalrow');
+			},
+			invalid: function (el, handle) {
+				return el.classList.contains('totalrow');
+			}
+		});
+		dragula([document.querySelector('#expense_grid tbody')], {
+			accepts: function (el, target, source, sibling) {
+				return sibling !== null && !sibling.classList.contains('totalrow');
+			},
+			invalid: function (el, handle) {
+				return el.classList.contains('totalrow');
 			}
 		});
 	</script>
diff --git a/sstreasury/jinja2/sstreasury/budget_view.html b/sstreasury/jinja2/sstreasury/budget_view.html
index 0916f6b..baeb7a2 100644
--- a/sstreasury/jinja2/sstreasury/budget_view.html
+++ b/sstreasury/jinja2/sstreasury/budget_view.html
@@ -24,7 +24,10 @@
 	<h1>{{ revision.name }}</h1>
 	
 	{% if is_latest %}
-		<a class="ui mini labeled icon button" href="{{ url('budget_edit', kwargs={'id': revision.budget.id}) }}"><i class="edit icon"></i> Edit</a>
+		<div>
+			<span class="ui header">Status: {{ import('sstreasury.models').BudgetState(revision.state).description }}</span>
+			<a class="ui mini labeled right floated icon button" href="{{ url('budget_edit', kwargs={'id': revision.budget.id}) }}"><i class="edit icon"></i> Edit</a>
+		</div>
 	{% else %}
 		<div class="ui warning message">
 			<p>You are viewing an older version of this budget. To make any changes, <a href="{{ url('budget_view', kwargs={'id': revision.budget.id}) }}">click here</a> to return to the current version.</p>