Files
web/web_pivot_computed_measure/static/src/js/pivot_model.js
2022-11-22 14:09:13 +01:00

328 lines
12 KiB
JavaScript

/* Copyright 2020 Tecnativa - Alexandre Díaz
* License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html) */
odoo.define("web_pivot_computed_measure.PivotModel", function(require) {
"use strict";
var core = require("web.core");
var PivotModel = require("web.PivotModel");
var ComparisonUtils = require("web.dataComparisonUtils");
var _t = core._t;
PivotModel.include({
_computed_measures: [],
/**
* Create a new computed measure
*
* @param {String} id
* @param {String} field1
* @param {String} field2
* @param {String} operation
* @param {String} name
* @param {String} format
*/
createComputedMeasure: function(id, field1, field2, operation, name, format) {
var measure = _.find(this._computed_measures, function(item) {
return (
item.field1 === field1 &&
item.field2 === field2 &&
item.operation === operation
);
});
if (measure) {
return $.Deferred(function(d) {
d.resolve();
});
}
var fieldM1 = this.fields[field1];
var fieldM2 = this.fields[field2];
var cmId = "__computed_" + id;
var oper = operation.replace(/m1/g, field1).replace(/m2/g, field2);
var oper_human = operation
.replace(
/m1/g,
fieldM1.__computed_id ? "(" + fieldM1.string + ")" : fieldM1.string
)
.replace(
/m2/g,
fieldM2.__computed_id ? "(" + fieldM2.string + ")" : fieldM2.string
);
var cmTotal = this._computed_measures.push({
field1: field1,
field2: field2,
operation: oper,
name: name || oper_human,
id: cmId,
format: format,
});
return this._createVirtualMeasure(this._computed_measures[cmTotal - 1]);
},
/**
* Create and enable a measure based on a 'fake' field
*
* @param {Object} cmDef
* @param {List} fields *Optional*
*/
_createVirtualMeasure: function(cmDef, fields) {
var arrFields = fields || this.fields;
// This is a minimal 'fake' field info
arrFields[cmDef.id] = {
type: cmDef.format, // Used to format the value
string: cmDef.name, // Used to print the header name
__computed_id: cmDef.id, // Used to know if is a computed measure field
};
this.trigger_up("add_measure", {
id: cmDef.id,
def: arrFields[cmDef.id],
});
return this._activeMeasures([cmDef.field1, cmDef.field2, cmDef.id]);
},
/**
* @param {List of Strings} fields
*/
_activeMeasures: function(fields) {
var needLoad = false;
var l = fields.length;
for (var x = 0; x < l; ++x) {
var field = fields[x];
if (!this._isMeasureEnabled(field)) {
this.data.measures.push(field);
needLoad = true;
}
}
if (needLoad) {
return this._loadData();
}
return $.Deferred(function(d) {
d.resolve();
});
},
/**
* @param {String} field
*/
_isMeasureEnabled: function(field) {
return _.contains(this.data.measures, field);
},
/**
* Helper function to add computed measure fields data into 'dataPoint'
*
* @param {Object} dataPoint
* @param {Object} dataPointComp
*/
_fillComputedMeasuresData: function(dataPoint, dataPointComp) {
var self = this;
_.each(this._computed_measures, function(cm) {
if (!self._isMeasureEnabled(cm.id)) {
return;
}
if (dataPointComp) {
var resData = py.eval(cm.operation, dataPointComp.data);
var resComparison = py.eval(cm.operation, dataPointComp.comparison);
dataPoint[cm.id] = {
data: resData,
comparisonData: resComparison,
variation: ComparisonUtils.computeVariation(
resData,
resComparison
),
};
} else {
dataPoint[cm.id] = py.eval(cm.operation, dataPoint);
}
});
},
/**
* Fill the dataPoints with the computed measures values
*
* @override
*/
_mergeData: function(data, comparisonData, groupBys) {
var res = this._super.apply(this, arguments);
var len = groupBys.length; // Cached loop (This is not python! hehe)
for (var index = 0; index < len; ++index) {
if (res.length) {
var len2 = res[index].length;
for (var k = 0; k < len2; ++k) {
var dataPoint = res[index][k];
if (_.isEmpty(dataPoint)) {
break;
}
if ("__comparisonDomain" in dataPoint) {
// Transform comparison dataPoint object to be compatible
var pairsDataPoint = _.pairs(dataPoint);
var dataPointComp = {
data: _.object(
_.map(pairsDataPoint, item => {
return [item[0], item[1] && item[1].data];
})
),
comparison: _.object(
_.map(pairsDataPoint, item => {
return [
item[0],
item[1] && item[1].comparisonData,
];
})
),
};
// Update datas. Required by computed measures that uses
// other computed measures to work
this._fillComputedMeasuresData(dataPointComp.data);
this._fillComputedMeasuresData(dataPointComp.comparison);
// Update comparison dataPoint
this._fillComputedMeasuresData(dataPoint, dataPointComp);
} else {
// Update standard dataPoint
this._fillComputedMeasuresData(dataPoint);
}
}
}
}
return res;
},
/**
* Load the computed measures in context. This is used by filters.
*
* @override
*/
load: function(params) {
var self = this;
this._computed_measures =
params.context.pivot_computed_measures ||
params.computed_measures ||
[];
var toActive = [];
var l = this._computed_measures.length;
for (var x = 0; x < l; ++x) {
var cmDef = this._computed_measures[x];
params.fields[cmDef.id] = {
type: cmDef.format,
string: cmDef.name,
__computed_id: cmDef.id,
};
toActive.push(cmDef.field1, cmDef.field2, cmDef.id);
}
return this._super(params).then(function() {
_.defer(function() {
for (var x = 0; x < l; ++x) {
var cmDef = self._computed_measures[x];
self.trigger_up("add_measure", {
id: cmDef.id,
def: self.fields[cmDef.id],
});
}
});
self._activeMeasures(toActive);
});
},
/**
* Load the computed measures in context. This is used by filters.
*
* @override
*/
reload: function(handle, params) {
if ("context" in params) {
this._computed_measures =
params.context.pivot_computed_measures ||
params.computed_measures ||
[];
}
var l = this._computed_measures.length;
for (var x = 0; x < l; ++x) {
this._createVirtualMeasure(this._computed_measures[x]);
}
// Clean unused 'fake' fields
var fieldNames = Object.keys(this.fields);
for (var x = 0; x < fieldNames.length; ++x) {
var field = this.fields[fieldNames[x]];
if (field.__computed_id) {
var cm = _.find(this._computed_measures, {id: field.__computed_id});
if (!cm) {
delete this.fields[fieldNames[x]];
this.data.measures = _.without(
this.data.measures,
fieldNames[x]
);
this.trigger_up("remove_measure", {
id: fieldNames[x],
});
}
}
}
return this._super.apply(this, arguments);
},
/**
* Add the computed measures to the state. This is used by filters.
*
* @override
*/
get: function() {
var res = this._super.apply(this, arguments);
res.computed_measures = this._computed_measures;
return res;
},
/**
* Adds a rule to deny that measures can be disabled if are being used by a computed measure.
* In the other hand, when enables a measure analyzes it to active all involved measures.
*
* @override
*/
toggleMeasure: function(field) {
if (this._isMeasureEnabled(field)) {
// Measure is disabled
var umeasures = _.filter(this._computed_measures, function(item) {
return item.field1 === field || item.field2 === field;
});
if (umeasures.length && this._isMeasureEnabled(umeasures[0].id)) {
return $.Deferred(function(d) {
d.reject(
_t(
"This measure is currently used by a 'computed measure'. Please, disable the computed measure first."
)
);
});
}
} else {
// Mesaure is enabled
var toEnable = [];
var toAnalize = [field];
while (toAnalize.length) {
var afield = toAnalize.shift();
var fieldDef = this.fields[afield];
if (fieldDef.__computed_id) {
var cm = _.find(this._computed_measures, {
id: fieldDef.__computed_id,
});
toAnalize.push(cm.field1, cm.field2);
var toEnableFields = [];
if (!this.fields[cm.field1].__computed_id) {
toEnableFields.push(cm.field1);
}
if (!this.fields[cm.field2].__computed_id) {
toEnableFields.push(cm.field2);
}
toEnableFields.push(afield);
toEnable.push(toEnableFields);
}
}
if (toEnable.length) {
return this._activeMeasures(_.flatten(toEnable.reverse()));
}
}
return this._super.apply(this, arguments);
},
});
});