Method plot

server/charts/AxisChart.js:53–820

(skipDataProcessing, filters, variables)

  }

  plot(skipDataProcessing, filters, variables) {
    // skip the data processing if not required (this algorithm is CPU-intensive)
    const conditionsOptions = [];
    let gXType;
    const runtimeContext = buildChartRuntimeContext(this.chart, filters, variables, this.timezone);
    const startDate = runtimeContext?.effectiveDateRange?.startDate || null;
    const endDate = runtimeContext?.effectiveDateRange?.endDate || null;

    if (
      !skipDataProcessing
      || !this.chart.chartData
      || !this.chart.chartData.data
      || !this.chart.chartData.data.labels
      || !this.chart.chartData.data.datasets
    ) {
      // check if the global date filter should be on or off
      // the filter should work only if all the datasets have a dateField
      let canDateFilter = true;
      this.datasets.map((dataset) => {
        if (!dataset.options || !dataset.options.dateField) {
          canDateFilter = false;
        }

        return dataset;
      });

      for (let i = 0; i < this.datasets.length; i++) {
        const dataset = this.datasets[i];
        const { yAxisOperation, dateField } = dataset.options;
        let { xAxis, yAxis } = dataset.options;
        if (!xAxis && ["kpi", "avg", "gauge"].includes(this.chart.type) && yAxis) {
          xAxis = yAxis;
        }
        if (!xAxis) {
          throw new Error("Chart xAxis binding is required");
        }
        if (!yAxis) {
          throw new Error("Chart yAxis binding is required");
        }
        let xData;
        let yData;
        let yType;
        let xType;
        let xAxisData = [];
        let yAxisData = [];

        let filterData = { data: dataset.data };

        if (dataset?.options?.conditions) {
          // Filter out conditions that contain mustache notation ({{variable}})
          // - save them for variable processing
          const nonVariableConditions = dataset.options.conditions
            .filter((condition) => !condition.value || !condition.value.toString().includes("{{"));

          if (nonVariableConditions.length > 0) {
            filterData = dataFilter(
              dataset.data, xAxis, nonVariableConditions, this.timezone, this.chart.timeInterval
            );