102 lines
2.3 KiB
JavaScript
102 lines
2.3 KiB
JavaScript
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var _ = require('underscore');
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var Backbone = require('backbone');
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var DEACTIVATE_MATRIX = {
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'number': ['date'],
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'boolean': ['date'],
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'date': ['boolean']
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};
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var DESTRUCTIVE_MATRIX = {
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'string': {
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'string': false,
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'number': true,
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'date': true,
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'boolean': true
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},
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'number': {
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'string': false,
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'number': false,
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'date': true,
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'boolean': true
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},
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'date': {
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'string': false,
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'number': true,
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'date': false,
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'boolean': true
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},
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'boolean': {
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'string': false,
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'number': false,
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'date': true,
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'boolean': false
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}
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};
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var NON_EDITABLE_ATTRIBUTES = [
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'the_geom_webmercator',
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'cartodb_id',
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'the_geom'
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];
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module.exports = Backbone.Model.extend({
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url: function () {
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if (this._tableName) {
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var baseUrl = this._configModel.get('base_url');
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var version = this._configModel.urlVersion('column');
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var url = baseUrl + '/api/' + version + '/tables/' + this._tableName + '/columns/';
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if (!this.isNew()) {
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// If name changes, we should point to the "old" name
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// in order to make the correct call
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url += this.previous('name') || this.get('name');
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}
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return url;
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}
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return false;
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},
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parse: function (attrs) {
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return {
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name: attrs.name,
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type: attrs.cartodb_type || attrs.type,
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isNew: false
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};
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},
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initialize: function (models, opts) {
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if (!opts.configModel) throw new Error('configModel is required');
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this._tableName = opts.tableName;
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this._configModel = opts.configModel;
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},
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isNew: function () {
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return this.get('isNew');
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},
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isEditable: function () {
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return !_.contains(NON_EDITABLE_ATTRIBUTES, this.get('name'));
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},
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// This is relative becuase we could set any value to cartodb_id
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isCartoDBIDColumn: function () {
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return this.get('name') === 'cartodb_id' && this.get('type') === 'number';
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},
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isGeometryColumn: function () {
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return this.get('type') === 'geometry';
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}
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}, {
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isTypeChangeDestructive: function (type, newType) {
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return DESTRUCTIVE_MATRIX[type][newType];
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},
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isTypeChangeAllowed: function (type, newType) {
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var deactivated = DEACTIVATE_MATRIX[type] || [];
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deactivated = deactivated.concat([type]);
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return !_.contains(deactivated, newType);
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}
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});
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