126 lines
2.4 KiB
Ruby
126 lines
2.4 KiB
Ruby
# frozen_string_literal: true
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class TimeSeriesComponent < ApplicationComponent
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delegate :current_page_path, :search_params, to: :helpers
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attr_reader :dataframe, :x_axis, :y_axis, :mode
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def initialize(dataframe, x_axis:, mode: :table)
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@dataframe = dataframe
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@x_axis = x_axis
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@y_axis = columns.without(x_axis)
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@mode = mode.to_sym
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end
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def columns
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dataframe.types.keys
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end
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def chart_height
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if x_axis != "date"
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dataframe[x_axis]&.size.to_i * 30
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end
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end
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def chart_options
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if x_axis == "date"
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stacked_area_chart
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else
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horizontal_bar_chart
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end
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end
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def base_options
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{
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dataset: {
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dimensions: columns,
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source: dataframe.each_row.map(&:values),
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},
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tooltip: {
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trigger: "axis",
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axisPointer: {
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type: "cross",
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label: {
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backgroundColor: "#6a7985"
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}
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}
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},
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toolbox: {
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feature: {
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dataView: {},
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restore: {},
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saveAsImage: {}
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}
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},
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grid: {
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left: "1%",
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right: "1%",
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containLabel: true
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},
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legend: {
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data: y_axis,
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type: "scroll",
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left: 0,
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padding: [8, 200, 0, 15],
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orient: "horizontal",
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},
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}
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end
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def stacked_area_chart
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base_options.deep_merge(
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toolbox: {
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feature: {
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dataZoom: {
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yAxisIndex: "none"
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},
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magicType: {
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type: ["line", "bar"],
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},
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}
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},
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dataZoom: [
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{ type: "inside" },
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{ type: "slider" }
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],
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xAxis: { type: "time" },
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yAxis: [type: "value"] * y_axis.size,
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series: y_axis.map do |name|
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{
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name: name,
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type: "line",
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areaStyle: {},
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stack: "all",
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emphasis: {
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focus: "series"
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},
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encode: {
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x: x_axis,
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y: name
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}
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}
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end
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)
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end
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def horizontal_bar_chart
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base_options.deep_merge(
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xAxis: { type: "value" },
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yAxis: [type: "category", inverse: true] * y_axis.size,
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series: y_axis.map do |name|
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{
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name: name,
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type: "bar",
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emphasis: {
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focus: "series"
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},
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encode: {
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x: name,
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y: x_axis,
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}
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}
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end
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)
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end
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end
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