mirror of https://github.com/OCA/web.git
257 lines
9.5 KiB
JavaScript
257 lines
9.5 KiB
JavaScript
/* Copyright 2020 Tecnativa - Alexandre Díaz
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* License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html) */
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odoo.define('web_pivot_computed_measure.PivotModel', function (require) {
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"use strict";
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var core = require('web.core');
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var PivotModel = require('web.PivotModel');
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var _t = core._t;
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PivotModel.include({
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_computed_measures: [],
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/**
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* Create a new computed measure
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*
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* @param {string} id
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* @param {string} field1
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* @param {string} field2
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* @param {string} operation
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* @param {string} name
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* @param {string} format
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*/
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createComputedMeasure: function(id, field1, field2, operation, name, format) {
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var measure = _.find(this._computed_measures, function(item) {
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return item.field1 === field1 && item.field2 === field2 && item.operation === operation;
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});
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if (measure) {
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return $.Deferred(function(d) {
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d.resolve();
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});
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}
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var fieldM1 = this.fields[field1];
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var fieldM2 = this.fields[field2];
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var cmId = '__computed_' + id;
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var oper = operation.replace(/m1/g, field1).replace(/m2/g, field2);
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var oper_human = operation.replace(
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/m1/g,
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fieldM1.__computed_id?"("+fieldM1.string+")":fieldM1.string).replace(
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/m2/g,
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fieldM2.__computed_id?"("+fieldM2.string+")":fieldM2.string);
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var cmTotal = this._computed_measures.push({
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field1: field1,
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field2: field2,
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operation: oper,
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name: name || oper_human,
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id: cmId,
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format: format,
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});
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return this._createVirtualMeasure(this._computed_measures[cmTotal-1]);
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},
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/**
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* Create and enable a measure based on a 'fake' field
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*
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* @param {Object} cmDef
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* @param {List} fields *Optional*
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*/
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_createVirtualMeasure: function(cmDef, fields) {
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var arrFields = fields || this.fields;
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// This is a minimal 'fake' field info
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arrFields[cmDef.id] = {
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type: cmDef.format, // Used to format the value
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string: cmDef.name, // Used to print the header name
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__computed_id: cmDef.id, // Used to know if is a computed measure field
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}
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this.trigger_up("add_measure", {
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id: cmDef.id,
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def: arrFields[cmDef.id],
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});
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return this._activeMeasures([cmDef.field1, cmDef.field2, cmDef.id]);
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},
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/**
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* @param {List of Strings} fields
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*/
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_activeMeasures: function(fields) {
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var needLoad = false;
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var l = fields.length;
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for (var x = 0; x < l; ++x) {
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var field = fields[x];
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if (!this._isMeasureEnabled(field)) {
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this.data.measures.push(field);
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needLoad = true;
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}
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}
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if (needLoad) {
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return this._loadData();
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}
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return $.Deferred(function(d) {
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d.resolve();
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})
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},
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/**
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* @param {String} field
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*/
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_isMeasureEnabled: function(field) {
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return _.contains(this.data.measures, field);
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},
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/**
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* Fill the dataPoints with the computed measures values
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*
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* @override
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*/
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_mergeData: function (data, comparisonData, groupBys) {
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var res = this._super.apply(this, arguments);
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var l = groupBys.length; // Cached loop (This is not python! hehe)
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for (var index = 0; index < l; ++index) {
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if (data.length) {
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var l2 = data[index].length;
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for (var k = 0; k < l2; ++k) {
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var dataPoint = data[index][k];
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if (_.isEmpty(dataPoint)) {
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break;
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}
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var l3 = this._computed_measures.length;
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for (var x = 0; x < l3; ++x) {
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var cm = this._computed_measures[x];
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if (!this._isMeasureEnabled(cm.id)) {
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continue;
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}
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dataPoint[cm.id] = py.eval(cm.operation, dataPoint);
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}
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}
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}
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}
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return res;
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},
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/**
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* Load the computed measures in context. This is used by filters.
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*
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* @override
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*/
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load: function (params) {
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var self = this;
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this._computed_measures = params.context.pivot_computed_measures || params.computed_measures || [];
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var toActive = [];
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var l = this._computed_measures.length;
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for (var x = 0; x < l; ++x) {
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var cmDef = this._computed_measures[x];
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params.fields[cmDef.id] = {
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type: cmDef.format,
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string: cmDef.name,
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__computed_id: cmDef.id,
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}
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toActive.push(cmDef.field1, cmDef.field2, cmDef.id);
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}
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return this._super(params).then(function() {
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_.defer(function() {
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for (var x = 0; x < l; ++x) {
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var cmDef = self._computed_measures[x];
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self.trigger_up("add_measure", {
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id: cmDef.id,
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def: self.fields[cmDef.id],
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});
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}
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});
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self._activeMeasures(toActive);
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});
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},
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/**
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* Load the computed measures in context. This is used by filters.
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*
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* @override
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*/
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reload: function (handle, params) {
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if ('context' in params) {
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this._computed_measures = params.context.pivot_computed_measures || params.computed_measures || [];
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}
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var l = this._computed_measures.length;
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for (var x = 0; x < l; ++x) {
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this._createVirtualMeasure(this._computed_measures[x]);
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}
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// Clean unused 'fake' fields
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var fieldNames = Object.keys(this.fields);
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for (var x = 0; x < fieldNames.length; ++x) {
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var field = this.fields[fieldNames[x]];
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if (field.__computed_id) {
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var cm = _.find(this._computed_measures, {id:field.__computed_id});
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if (!cm) {
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delete this.fields[fieldNames[x]];
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this.data.measures = _.without(this.data.measures, fieldNames[x]);
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this.trigger_up("remove_measure", {
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id: fieldNames[x],
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});
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}
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}
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}
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return this._super.apply(this, arguments);
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},
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/**
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* Add the computed measures to the state. This is used by filters.
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*
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* @override
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*/
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get: function () {
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var res = this._super.apply(this, arguments);
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res.computed_measures = this._computed_measures;
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return res;
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},
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/**
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* Adds a rule to deny that measures can be disabled if are being used by a computed measure.
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* In the other hand, when enables a measure analyzes it to active all involved measures.
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*
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* @override
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*/
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toggleMeasure: function (field) {
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if (this._isMeasureEnabled(field)) {
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// Measure is disabled
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var umeasures = _.filter(this._computed_measures, function(item) {
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return item.field1 === field || item.field2 === field;
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})
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if (umeasures.length && this._isMeasureEnabled(umeasures[0].id)) {
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return $.Deferred(function(d) {
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d.reject(_t("This measure is currently used by a 'computed measure'. Please, disable the computed measure first."));
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});
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}
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} else {
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// Mesaure is enabled
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var toEnable = [];
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var toAnalize = [field];
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while (toAnalize.length) {
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var afield = toAnalize.shift();
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var fieldDef = this.fields[afield];
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if (fieldDef.__computed_id) {
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var cm = _.find(this._computed_measures, {id:fieldDef.__computed_id});
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toAnalize.push(cm.field1, cm.field2);
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var toEnableFields = [];
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if (!this.fields[cm.field1].__computed_id) {
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toEnableFields.push(cm.field1);
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}
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if (!this.fields[cm.field2].__computed_id) {
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toEnableFields.push(cm.field2);
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}
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toEnableFields.push(afield);
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toEnable.push(toEnableFields);
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}
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}
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if (toEnable.length) {
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return this._activeMeasures(_.flatten(toEnable.reverse()));
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}
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}
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return this._super.apply(this, arguments);
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},
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});
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});
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