decouple charts from wiki representation

lib/biz/spreadsheet/charts.v

@@ -0,0 +1,138 @@
+module spreadsheet
+
+import freeflowuniverse.herolib.data.markdownparser.elements
+import freeflowuniverse.herolib.ui.console
+import freeflowuniverse.herolib.web.echarts
+
+pub fn (s Sheet) title_chart(args RowGetArgs) echarts.EChartsOption {
+	return echarts.EChartsOption{
+		title: echarts.Title{
+			text:    args.title
+			subtext: args.title_sub
+			left:    'center'
+		}
+	}
+}
+
+pub fn (s Sheet) line_chart(args_ RowGetArgs) !echarts.EChartsOption {
+	mut args := args_
+
+	rownames := s.rownames_get(args)!
+	header := s.header_get_as_string(args.period_type)!
+	mut series := []echarts.Series{}
+
+	for rowname in rownames {
+		data := s.data_get_as_string(RowGetArgs{
+			...args
+			rowname: rowname
+		})!
+		series << echarts.Series{
+			name:  rowname
+			type_: 'line'
+			stack: 'Total'
+			data:  data.split(',')
+		}
+	}
+
+	return echarts.EChartsOption{
+		title:   s.title_chart(args).title
+		tooltip: echarts.Tooltip{
+			trigger: 'axis'
+		}
+		legend:  echarts.Legend{
+			data: rownames
+		}
+		grid:    echarts.Grid{
+			left:          '3%'
+			right:         '4%'
+			bottom:        '3%'
+			contain_label: true
+		}
+		toolbox: echarts.Toolbox{
+			feature: echarts.ToolboxFeature{
+				save_as_image: {}
+			}
+		}
+		x_axis:  echarts.XAxis{
+			type_:        'category'
+			boundary_gap: false
+			data:         header.split(',')
+		}
+		y_axis:  echarts.YAxis{
+			type_: 'value'
+		}
+		series:  series
+	}
+}
+
+pub fn (s Sheet) bar_chart(args_ RowGetArgs) !echarts.EChartsOption {
+	mut args := args_
+	args.rowname = s.rowname_get(args)!
+	header := s.header_get_as_list(args.period_type)!
+	data := s.data_get_as_list(args)!
+
+	return echarts.EChartsOption{
+		title:  s.title_chart(args).title
+		x_axis: echarts.XAxis{
+			type_: 'category'
+			data:  header
+		}
+		y_axis: echarts.YAxis{
+			type_: 'value'
+		}
+		series: [
+			echarts.Series{
+				name:  args.rowname
+				type_: 'bar'
+				data:  data
+				stack: ''
+			},
+		]
+	}
+}
+
+pub fn (s Sheet) pie_chart(args_ RowGetArgs) !echarts.EChartsOption {
+	mut args := args_
+	args.rowname = s.rowname_get(args)!
+	header := s.header_get_as_list(args.period_type)!
+	data := s.data_get_as_list(args)!
+
+	if header.len != data.len {
+		return error('Data and header lengths must match.')
+	}
+
+	mut pie_data := []map[string]string{}
+	for i, _ in data {
+		pie_data << {
+			'value': data[i].trim_space().trim("'")
+			'name':  header[i].trim_space().trim("'")
+		}
+	}
+
+	return echarts.EChartsOption{
+		title:   s.title_chart(args).title
+		tooltip: echarts.Tooltip{
+			trigger: 'item'
+		}
+		legend:  echarts.Legend{
+			data:   header
+			orient: 'vertical'
+			left:   'left'
+		}
+		series:  [
+			echarts.Series{
+				name:     'Data'
+				type_:    'pie'
+				radius:   args.size.int()
+				data:     pie_data.map(it.str())
+				emphasis: echarts.Emphasis{
+					item_style: echarts.ItemStyle{
+						shadow_blur:     10
+						shadow_offset_x: 0
+						shadow_color:    'rgba(0, 0, 0, 0.5)'
+					}
+				}
+			},
+		]
+	}
+}

lib/biz/spreadsheet/charts_test.v

@@ -0,0 +1,77 @@
+module spreadsheet
+
+import freeflowuniverse.herolib.data.markdownparser.elements
+import freeflowuniverse.herolib.ui.console
+import freeflowuniverse.herolib.web.echarts
+
+fn test_title_chart() {
+	mut s := sheet_new() or { panic(err) }
+	mut nrnodes := s.row_new(
+		name:   'nrnodes'
+		growth: '5:100,55:1000'
+		tags:   'cat:nodes color:yellow urgent'
+	)!
+	args := RowGetArgs{
+		rowname:   'nrnodes'
+		title:     'Main Title'
+		title_sub: 'Subtitle'
+	}
+	title := s.title_chart(args).title
+	assert title.text == 'Main Title'
+	assert title.subtext == 'Subtitle'
+	assert title.left == 'center'
+}
+
+fn test_line_chart() {
+	mut s := sheet_new() or { panic(err) }
+	mut nrnodes := s.row_new(
+		name:   'nrnodes'
+		growth: '5:100,55:1000'
+		tags:   'cat:nodes color:yellow urgent'
+	)!
+	args := RowGetArgs{
+		rowname:     'nrnodes'
+		title:       'Line Chart'
+		period_type: .month
+	}
+	option := s.line_chart(args) or { panic(err) }
+	assert option.title.text == 'Line Chart'
+	assert option.tooltip.trigger == 'axis'
+	assert option.grid.contain_label == true
+}
+
+fn test_bar_chart() {
+	mut s := sheet_new() or { panic(err) }
+	mut nrnodes := s.row_new(
+		name:   'nrnodes'
+		growth: '5:100,55:1000'
+		tags:   'cat:nodes color:yellow urgent'
+	)!
+	args := RowGetArgs{
+		rowname:     'nrnodes'
+		title:       'Bar Chart'
+		period_type: .year
+	}
+	option := s.bar_chart(args) or { panic(err) }
+	assert option.title.text == 'Bar Chart'
+	assert option.x_axis.type_ == 'category'
+	assert option.y_axis.type_ == 'value'
+}
+
+fn test_pie_chart() {
+	mut s := sheet_new() or { panic(err) }
+	mut nrnodes := s.row_new(
+		name:   'nrnodes'
+		growth: '5:100,55:1000'
+		tags:   'cat:nodes color:yellow urgent'
+	)!
+	args := RowGetArgs{
+		rowname:     'nrnodes'
+		title:       'Pie Chart'
+		period_type: .quarter
+	}
+	option := s.pie_chart(args) or { panic(err) }
+	assert option.title.text == 'Pie Chart'
+	assert option.tooltip.trigger == 'item'
+	assert option.legend.data.len > 0
+}