99 lines
3.0 KiB
JavaScript
99 lines
3.0 KiB
JavaScript
function DataviewsWidgetsMapConfigAdapter() {
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}
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module.exports = DataviewsWidgetsMapConfigAdapter;
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DataviewsWidgetsMapConfigAdapter.prototype.getMapConfig = function(user, requestMapConfig, params, context, callback) {
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if (!shouldAdapt(requestMapConfig)) {
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return callback(null, requestMapConfig);
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}
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// prepare placeholders for new dataviews created from widgets
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requestMapConfig.analyses = requestMapConfig.analyses || [];
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requestMapConfig.dataviews = requestMapConfig.dataviews || {};
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requestMapConfig.layers.forEach(function(layer, index) {
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var layerSourceId = getLayerSourceId(layer);
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if (!layer.options.widgets) {
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return;
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}
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if (!layerSourceId && !layer.options.sql) {
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return;
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}
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var dataviewSourceId = layerSourceId || 'cdb-layer-source-' + index;
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// Append a new analysis if layer has no source id but sql.
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if (!layerSourceId) {
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requestMapConfig.analyses.push(
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{
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id: dataviewSourceId,
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type: 'source',
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params: {
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query: layer.options.sql
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}
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}
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);
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}
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var source = { id: dataviewSourceId };
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var layerWidgets = layer.options.widgets || {};
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Object.keys(layerWidgets).forEach(function(widgetId) {
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var dataview = layerWidgets[widgetId];
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requestMapConfig.dataviews[widgetId] = {
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source: source,
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type: dataview.type,
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options: dataview.options
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};
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});
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layer.options.source = source;
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delete layer.options.sql;
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// don't delete widgets for now as it might be useful for old clients
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//delete layer.options.widgets;
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});
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// filters have to be rewritten also
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var filters = getFilters(params);
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var layersFilters = filters.layers || [];
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filters.dataviews = filters.dataviews || {};
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layersFilters.forEach(function(layerFilters) {
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Object.keys(layerFilters).forEach(function(filterName) {
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if (!filters.dataviews.hasOwnProperty(filterName)) {
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filters.dataviews[filterName] = layerFilters[filterName];
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}
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});
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});
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delete filters.layers;
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params.filters = JSON.stringify(filters);
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return callback(null, requestMapConfig);
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};
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function shouldAdapt(requestMapConfig) {
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return Array.isArray(requestMapConfig.layers) && requestMapConfig.layers.some(function hasWidgets(layer) {
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return layer.options && layer.options.widgets && Object.keys(layer.options.widgets).length > 0;
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});
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}
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function getLayerSourceId(layer) {
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return layer.options.source && layer.options.source.id;
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}
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function getFilters(params) {
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var filters = {};
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if (params.filters) {
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try {
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filters = JSON.parse(params.filters);
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} catch (e) {
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// ignore
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}
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}
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return filters;
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}
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