Production:->Average Use and Cost by Origin
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output.writeStartElement("html");
output.writeAttribute("xmlns", "http://www.w3.org/1999/xhtml");
output.writeStartElement("head");
output.writeTextElement("title", "Recent Use and Cost by Origin");
output.writeEndElement();
output.writeStartElement("body");
output.writeTextElement("h1", "Average Use and Cost by Origin");
output.writeTextElement("p", "This is a report of average rate of use in pounds per day and cost of unroasted coffee.");
output.writeStartElement("table");
output.writeAttribute("rules", "groups");
output.writeAttribute("cellpadding", "3px");
output.writeStartElement("thead");
output.writeStartElement("tr");
output.writeStartElement("th");
output.writeAttribute("colspan", "3");
output.writeCharacters("Regular Coffees");
output.writeEndElement();
output.writeEndElement();
output.writeStartElement("tr");
output.writeTextElement("th", "Origin");
output.writeTextElement("th", "Avg. Rate");
output.writeTextElement("th", "Avg. Cost");
output.writeEndElement();
output.writeEndElement();
output.writeStartElement("tbody");
var query = new QSqlQuery();
switch(sortBox.currentIndex)
{
case 0:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM regular_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM regular_coffees) GROUP BY origin ORDER BY origin ASC");
break;
case 1:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM regular_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM regular_coffees) GROUP BY origin ORDER BY origin DESC");
break;
case 2:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM regular_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM regular_coffees) GROUP BY origin ORDER BY rate ASC");
break;
case 3:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM regular_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM regular_coffees) GROUP BY origin ORDER BY rate DESC");
break;
case 4:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM regular_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM regular_coffees) GROUP BY origin ORDER BY cost ASC");
break;
case 5:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM regular_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM regular_coffees) GROUP BY origin ORDER BY cost DESC");
break;
}
while(query.next())
{
output.writeStartElement("tr");
output.writeTextElement("td", query.value(0));
output.writeTextElement("td", query.value(1));
output.writeTextElement("td", query.value(2));
output.writeEndElement();
}
output.writeStartElement("tr");
output.writeStartElement("th");
output.writeAttribute("colspan", "3");
output.writeCharacters("Decaffeinated Coffees");
output.writeEndElement();
output.writeEndElement();
switch(sortBox.currentIndex)
{
case 0:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM decaf_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM decaf_coffees) GROUP BY origin ORDER BY origin ASC");
break;
case 1:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM decaf_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM decaf_coffees) GROUP BY origin ORDER BY origin DESC");
break;
case 2:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM decaf_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM decaf_coffees) GROUP BY origin ORDER BY rate ASC");
break;
case 3:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM decaf_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM decaf_coffees) GROUP BY origin ORDER BY rate DESC");
break;
case 4:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM decaf_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM decaf_coffees) GROUP BY origin ORDER BY cost ASC");
break;
case 5:
query.exec("SELECT DISTINCT origin, avg(rate)::numeric(10,2) AS rate, (SELECT avg(cost) FROM purchase WHERE item IN (SELECT id FROM decaf_coffees WHERE origin = coffee_history.origin))::numeric(10,2) AS cost FROM coffee_history WHERE id IN (SELECT id FROM decaf_coffees) GROUP BY origin ORDER BY cost DESC");
break;
}
while(query.next())
{
output.writeStartElement("tr");
output.writeTextElement("td", query.value(0));
output.writeTextElement("td", query.value(1));
output.writeTextElement("td", query.value(2));
output.writeEndElement();
}
output.writeEndElement();
output.writeEndElement();
output.writeEndElement();
output.writeEndElement();
output.writeEndDocument();
report.setContent(buffer);
buffer.close();
}
refresh();
sortBox['currentIndexChanged(int)'].connect(function() {
QSettings.setValue("auco_sort", sortBox.currentIndex);
refresh();
});
]]>