function measuresFromLongForm(longForm) {
var metricColumn = longForm.metricColumn, values = longForm.values, possibleAggregates = longForm.possibleAggregates, titleNameTrim = longForm.titleNameTrim;
var myPossibleAggregates = {};
for (var agg in possibleAggregates) {
if (!general_1.hasOwnProperty(possibleAggregates, agg))
continue;
myPossibleAggregates[agg] = plywood_1.Expression.fromJSLoose(possibleAggregates[agg]);
}
var measures = [];
for (var _i = 0; _i < values.length; _i++) {
var value = values[_i];
var aggregates = value.aggregates;
if (!Array.isArray(aggregates)) {
throw new Error('must have aggregates in longForm value');
}
for (var _a = 0; _a < aggregates.length; _a++) {
var aggregate = aggregates[_a];
var myExpression = myPossibleAggregates[aggregate];
if (!myExpression)
throw new Error("can not find aggregate " + aggregate + " for value " + value.value);
var name = general_1.makeUrlSafeName(aggregate + "_" + value.value);
measures.push(new measure_1.Measure({
name: name,
title: general_1.makeTitle(titleNameTrim ? name.replace(titleNameTrim, '') : name),
expression: myExpression.substitute(function (ex) {
if (ex instanceof plywood_1.RefExpression && ex.name === 'filtered') {
return plywood_1.$('main').filter(plywood_1.$(metricColumn).is(plywood_1.r(value.value)));
}
return null;
})
}));
}
}
return measures;
}
SplitCombine.fromJS = function (parameters, context) {
if (typeof parameters === 'string') {
if (!context)
throw new Error('must have context for string split');
var dimension = context.dimensions.find(function (d) { return d.name === parameters; });
if (!dimension)
throw new Error("can not find dimension " + parameters);
return new SplitCombine({
expression: dimension.expression,
bucketAction: null,
sortAction: null,
limitAction: null
});
}
else {
var value = {
expression: plywood_1.Expression.fromJSLoose(parameters.expression),
bucketAction: null,
sortAction: null,
limitAction: null
};
if (parameters.bucketAction)
value.bucketAction = plywood_1.Action.fromJS(parameters.bucketAction);
if (parameters.sortAction)
value.sortAction = plywood_1.SortAction.fromJS(parameters.sortAction);
if (parameters.limitAction)
value.limitAction = plywood_1.LimitAction.fromJS(parameters.limitAction);
return new SplitCombine(value);
}
};
DataSource.fromJS = function (parameters, context) {
if (context === void 0) { context = {}; }
var executor = context.executor, external = context.external;
var engine = parameters.engine;
var introspection = parameters.introspection;
var attributeOverrideJSs = parameters.attributeOverrides;
// Back compat.
var options = parameters.options || {};
if (options.skipIntrospection) {
if (!introspection)
introspection = 'none';
delete options.skipIntrospection;
}
if (options.disableAutofill) {
if (!introspection)
introspection = 'no-autofill';
delete options.disableAutofill;
}
if (options.attributeOverrides) {
if (!attributeOverrideJSs)
attributeOverrideJSs = options.attributeOverrides;
delete options.attributeOverrides;
}
if (options.defaultSplitDimension) {
options.defaultSplits = options.defaultSplitDimension;
delete options.defaultSplitDimension;
}
// End Back compat.
introspection = introspection || DataSource.DEFAULT_INTROSPECTION;
if (DataSource.INTROSPECTION_VALUES.indexOf(introspection) === -1) {
throw new Error("invalid introspection value " + introspection + ", must be one of " + DataSource.INTROSPECTION_VALUES.join(', '));
}
var refreshRule = parameters.refreshRule ? refresh_rule_1.RefreshRule.fromJS(parameters.refreshRule) : refresh_rule_1.RefreshRule.query();
var maxTime = parameters.maxTime ? max_time_1.MaxTime.fromJS(parameters.maxTime) : null;
if (!maxTime && refreshRule.isRealtime()) {
maxTime = max_time_1.MaxTime.fromNow();
}
var timeAttributeName = parameters.timeAttribute;
if (engine === 'druid' && !timeAttributeName) {
timeAttributeName = '__time';
}
var timeAttribute = timeAttributeName ? plywood_1.$(timeAttributeName) : null;
var attributeOverrides = plywood_1.AttributeInfo.fromJSs(attributeOverrideJSs || []);
var attributes = plywood_1.AttributeInfo.fromJSs(parameters.attributes || []);
var derivedAttributes = null;
if (parameters.derivedAttributes) {
derivedAttributes = plywood_1.helper.expressionLookupFromJS(parameters.derivedAttributes);
}
var dimensions = makeUniqueDimensionList((parameters.dimensions || []).map(function (d) { return dimension_1.Dimension.fromJS(d); }));
var measures = makeUniqueMeasureList((parameters.measures || []).map(function (m) { return measure_1.Measure.fromJS(m); }));
if (timeAttribute && !dimension_1.Dimension.getDimensionByExpression(dimensions, timeAttribute)) {
dimensions = dimensions.unshift(new dimension_1.Dimension({
name: timeAttributeName,
expression: timeAttribute,
kind: 'time'
}));
}
var subsetFilter = parameters.subsetFilter ? plywood_1.Expression.fromJSLoose(parameters.subsetFilter) : null;
var longForm = parameters.longForm;
if (longForm) {
measures = measures.concat(measuresFromLongForm(longForm));
if (longForm.addSubsetFilter) {
if (!subsetFilter)
subsetFilter = plywood_1.Expression.TRUE;
subsetFilter = subsetFilter.and(filterFromLongFrom(longForm)).simplify();
}
}
var value = {
executor: null,
name: parameters.name,
title: parameters.title,
engine: engine,
source: parameters.source,
subsetFilter: subsetFilter,
rollup: parameters.rollup,
options: options,
introspection: introspection,
attributeOverrides: attributeOverrides,
attributes: attributes,
derivedAttributes: derivedAttributes,
dimensions: dimensions,
measures: measures,
timeAttribute: timeAttribute,
defaultTimezone: parameters.defaultTimezone ? chronoshift_1.Timezone.fromJS(parameters.defaultTimezone) : DataSource.DEFAULT_TIMEZONE,
defaultFilter: parameters.defaultFilter ? filter_1.Filter.fromJS(parameters.defaultFilter) : filter_1.Filter.EMPTY,
defaultDuration: parameters.defaultDuration ? chronoshift_1.Duration.fromJS(parameters.defaultDuration) : DataSource.DEFAULT_DURATION,
defaultSortMeasure: parameters.defaultSortMeasure || (measures.size ? measures.first().name : null),
defaultPinnedDimensions: immutable_1.OrderedSet(parameters.defaultPinnedDimensions || []),
refreshRule: refreshRule,
maxTime: maxTime
};
if (external)
value.external = external;
if (executor)
value.executor = executor;
return new DataSource(value);
};
router.post('/', (req, res) => {
var { version, dataCube, dataSource, expression, timezone } = req.body;
dataCube = dataCube || dataSource; // back compat
if (version && version !== req.version) {
res.status(412).send({
error: 'incorrect version',
action: 'reload'
});
return;
}
if (typeof dataCube !== 'string') {
res.status(400).send({
error: 'must have a dataCube'
});
return;
}
var queryTimezone = null;
if (typeof timezone === 'string') {
try {
queryTimezone = chronoshift_1.Timezone.fromJS(timezone);
}
catch (e) {
res.status(400).send({
error: 'bad timezone',
message: e.message
});
return;
}
}
var ex = null;
try {
ex = plywood_1.Expression.fromJS(expression);
}
catch (e) {
res.status(400).send({
error: 'bad expression',
message: e.message
});
return;
}
req.getSettings(dataCube)
.then((appSettings) => {
var myDataCube = appSettings.getDataCube(dataCube);
if (!myDataCube) {
res.status(400).send({ error: 'unknown data cube' });
return;
}
if (!myDataCube.executor) {
res.status(400).send({ error: 'un queryable data cube' });
return;
}
return myDataCube.executor(ex, { timezone: queryTimezone }).then((data) => {
res.json({
result: plywood_1.Dataset.isDataset(data) ? data.toJS() : data
});
}, (e) => {
console.log('error:', e.message);
if (e.hasOwnProperty('stack')) {
console.log(e.stack);
}
res.status(500).send({
error: 'could not compute',
message: e.message
});
});
})
.done();
});