neal
/
Typica


			
				
					
						
						
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							<window id="greencost">
	<reporttitle>Production:->Cost of Green Coffee for Roasted Coffee</reporttitle>
	<layout type="vertical">
		<webview id="report" />
	</layout>
	<menu name="File">
		<item id="print" shortcut="Ctrl+P">Print</item>
	</menu>
	<program>
		<![CDATA[
			this.windowTitle = "Typica - Cost of Green Coffee for Roasted Coffee";
			var report = findChildObject(this, 'report');
			var printMenu = findChildObject(this, 'print');
			printMenu.triggered.connect(function() {
				report.print();
			});
			function refresh() {
				var buffer = new QBuffer;
				buffer.open(3);
				var output = new XmlWriter(buffer);
				output.writeStartDocument("1.0");
				output.writeDTD('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg.dtd">');
                output.writeStartElement("html");
                output.writeAttribute("xmlns", "http://www.w3.org/1999/xhtml");
                output.writeStartElement("head");
                output.writeTextElement("title", "Cost of Green Coffee for Roasted Coffee");
                output.writeEndElement();
                output.writeStartElement("body");
                output.writeTextElement("h1", "Cost of Green Coffee for Roasted Coffee");
				var query = new QSqlQuery();
				query.exec("SELECT item, (SELECT name FROM items WHERE id = item) AS name FROM current_items ORDER BY name");
				var roastedItems = new Array();
				var roastedNames = new Array();
				while(query.next()) {
					roastedItems.push(query.value(0));
					roastedNames.push(query.value(1));
				}
				var recipes = new Array();
				var recipeQuantities = new Array();
				query.prepare("SELECT unroasted_id, unroasted_quantity FROM roasting_log WHERE roasted_id = :item AND time = (SELECT max(time) FROM roasting_log WHERE roasted_id = :item2)");
				for(var i = 0; i < roastedItems.length; i++) {
					query.bind("item", roastedItems[i]);
					query.bind("item2", roastedItems[i]);
					query.exec();
					if(query.next()) {
						recipes.push(query.value(0));
						recipeQuantities.push(query.value(1));
					} else {
						print("Error 1");
					}
				}
				query.prepare("SELECT min(unroasted_total_quantity / roasted_quantity), max(unroasted_total_quantity / roasted_quantity), avg(unroasted_total_quantity / roasted_quantity) FROM roasting_log WHERE roasted_id = :ri AND unroasted_id = :gi AND unroasted_total_quantity > 0 AND roasted_quantity > 0 AND approval = true");
				var mins = new Array();
				var maxes = new Array();
				var means = new Array();
				for(var i = 0; i < roastedItems.length; i++) {
					query.bind(":ri", Number(roastedItems[i]));
					query.bind(":gi", recipes[i]);
					query.exec();
					if(query.next()) {
						mins.push(query.value(0));
						maxes.push(query.value(1));
						means.push(query.value(2));
					} else {
						print("Error 2");
					}
				}
				var proportionalCosts = new Array();
				query.prepare("SELECT cost * :proportion FROM purchase WHERE item = :id");
				for(var i = 0; i < roastedItems.length; i++) {
					greens = sqlToArray(recipes[i]);
					weights = sqlToArray(recipeQuantities[i]);
					proportions = new Array();
					quantitySum = weights.reduce(function(p, c) {
						return p + c;
					});
					for(var j = 0; j < weights.length; j++) {
						proportions.push(weights[j]/quantitySum);
					}
					partialSum = 0;
					for(var j = 0; j < greens.length; j++) {
						query.bind(":proportion", proportions[j]);
						query.bind(":id", greens[j]);
						query.exec();
						if(query.next()) {
							partialSum += query.value(0);
						} else {
							print("Error 3");
						}
					}
					proportionalCosts.push(partialSum);
				}
				var minCosts = new Array();
				var maxCosts = new Array();
				var meanCosts = new Array();
				for(var i = 0; i < roastedItems.length; i++) {
					minCosts.push(proportionalCosts[i] * mins[i]);
					maxCosts.push(proportionalCosts[i] * maxes[i]);
					meanCosts.push(proportionalCosts[i] * means[i]);
				}
				output.writeStartElement("table");
				output.writeAttribute("rules", "groups");
				output.writeAttribute("cellpadding", "3px");
				output.writeStartElement("thead");
				output.writeStartElement("tr");
				output.writeTextElement("th", "Coffee");
				output.writeTextElement("th", "Minimum Cost");
				output.writeTextElement("th", "Maximum Cost");
				output.writeTextElement("th", "Mean Cost");
				output.writeEndElement();
				output.writeEndElement();
				output.writeStartElement("tbody");
				for(var i = 0; i < roastedItems.length; i++) {
					output.writeStartElement("tr");
					output.writeTextElement("td", roastedNames[i]);
					output.writeTextElement("td", Number(minCosts[i]).toFixed(2));
					output.writeTextElement("td", Number(maxCosts[i]).toFixed(2));
					output.writeTextElement("td", Number(meanCosts[i]).toFixed(2));
					output.writeEndElement();
				}
				output.writeEndElement();
				output.writeEndElement();
				output.writeEndElement();
				output.writeEndElement();
				output.writeEndDocument();
				report.setContent(buffer);
				buffer.close();
			};
			refresh();
		]]>
	</program>
</window>