feat: revamp invite email

.vscode/settings.json

@@ -14,5 +14,8 @@
 	},
 	"[sql]": {
 		"editor.defaultFormatter": "adpyke.vscode-sql-formatter"
+	},
+	"[html]": {
+		"editor.defaultFormatter": "vscode.html-language-features"
 	}
 }

conf/example.yaml

@@ -193,6 +193,15 @@ emailing:
   templates:
     # The directory containing the email templates. This directory should contain a list of files defined at pkg/types/emailtypes/template.go.
     directory: /opt/signoz/conf/templates/email
+    format:
+      header:
+        enabled: false
+        logo_url: ""
+      help:
+        enabled: false
+        email: ""
+      footer:
+        enabled: false
   smtp:
     # The SMTP server address.
     address: localhost:25

frontend/src/container/DashboardContainer/visualization/charts/BarChart/BarChart.tsx

@@ -1,45 +0,0 @@
-import { useCallback } from 'react';
-import ChartWrapper from 'container/DashboardContainer/visualization/charts/ChartWrapper/ChartWrapper';
-import BarChartTooltip from 'lib/uPlotV2/components/Tooltip/BarChartTooltip';
-import {
-	BarTooltipProps,
-	TooltipRenderArgs,
-} from 'lib/uPlotV2/components/types';
-
-import { useBarChartStacking } from '../../hooks/useBarChartStacking';
-import { BarChartProps } from '../types';
-
-export default function BarChart(props: BarChartProps): JSX.Element {
-	const { children, isStackedBarChart, config, data, ...rest } = props;
-
-	const chartData = useBarChartStacking({
-		data,
-		isStackedBarChart,
-		config,
-	});
-
-	const renderTooltip = useCallback(
-		(props: TooltipRenderArgs): React.ReactNode => {
-			const tooltipProps: BarTooltipProps = {
-				...props,
-				timezone: rest.timezone,
-				yAxisUnit: rest.yAxisUnit,
-				decimalPrecision: rest.decimalPrecision,
-				isStackedBarChart: isStackedBarChart,
-			};
-			return <BarChartTooltip {...tooltipProps} />;
-		},
-		[rest.timezone, rest.yAxisUnit, rest.decimalPrecision, isStackedBarChart],
-	);
-
-	return (
-		<ChartWrapper
-			{...rest}
-			config={config}
-			data={chartData}
-			renderTooltip={renderTooltip}
-		>
-			{children}
-		</ChartWrapper>
-	);
-}

frontend/src/container/DashboardContainer/visualization/charts/ChartWrapper/ChartWrapper.tsx

@@ -23,7 +23,6 @@ export default function ChartWrapper({
 	width: containerWidth,
 	height: containerHeight,
 	showTooltip = true,
-	showLegend = true,
 	canPinTooltip = false,
 	syncMode,
 	syncKey,
@@ -37,9 +36,6 @@ export default function ChartWrapper({
 
 	const legendComponent = useCallback(
 		(averageLegendWidth: number): React.ReactNode => {
-			if (!showLegend) {
-				return null;
-			}
 			return (
 				<Legend
 					config={config}
@@ -48,7 +44,7 @@ export default function ChartWrapper({
 				/>
 			);
 		},
-		[config, legendConfig.position, showLegend],
+		[config, legendConfig.position],
 	);
 
 	const renderTooltipCallback = useCallback(
@@ -64,7 +60,6 @@ export default function ChartWrapper({
 	return (
 		<PlotContextProvider>
 			<ChartLayout
-				showLegend={showLegend}
 				config={config}
 				containerWidth={containerWidth}
 				containerHeight={containerHeight}

frontend/src/container/DashboardContainer/visualization/charts/Histogram/Histogram.tsx

@@ -1,55 +0,0 @@
-import { useCallback } from 'react';
-import ChartWrapper from 'container/DashboardContainer/visualization/charts/ChartWrapper/ChartWrapper';
-import HistogramTooltip from 'lib/uPlotV2/components/Tooltip/HistogramTooltip';
-import { buildTooltipContent } from 'lib/uPlotV2/components/Tooltip/utils';
-import {
-	HistogramTooltipProps,
-	TooltipRenderArgs,
-} from 'lib/uPlotV2/components/types';
-
-import { HistogramChartProps } from '../types';
-
-export default function Histogram(props: HistogramChartProps): JSX.Element {
-	const {
-		children,
-		renderTooltip: customRenderTooltip,
-		isQueriesMerged,
-		...rest
-	} = props;
-
-	const renderTooltip = useCallback(
-		(props: TooltipRenderArgs): React.ReactNode => {
-			if (customRenderTooltip) {
-				return customRenderTooltip(props);
-			}
-			const content = buildTooltipContent({
-				data: props.uPlotInstance.data,
-				series: props.uPlotInstance.series,
-				dataIndexes: props.dataIndexes,
-				activeSeriesIndex: props.seriesIndex,
-				uPlotInstance: props.uPlotInstance,
-				yAxisUnit: rest.yAxisUnit ?? '',
-				decimalPrecision: rest.decimalPrecision,
-			});
-			const tooltipProps: HistogramTooltipProps = {
-				...props,
-				timezone: rest.timezone,
-				yAxisUnit: rest.yAxisUnit,
-				decimalPrecision: rest.decimalPrecision,
-				content,
-			};
-			return <HistogramTooltip {...tooltipProps} />;
-		},
-		[customRenderTooltip, rest.timezone, rest.yAxisUnit, rest.decimalPrecision],
-	);
-
-	return (
-		<ChartWrapper
-			showLegend={!isQueriesMerged}
-			{...rest}
-			renderTooltip={renderTooltip}
-		>
-			{children}
-		</ChartWrapper>
-	);
-}

frontend/src/container/DashboardContainer/visualization/charts/types.ts

@@ -7,7 +7,6 @@ interface BaseChartProps {
 	width: number;
 	height: number;
 	showTooltip?: boolean;
-	showLegend?: boolean;
 	timezone: string;
 	canPinTooltip?: boolean;
 	yAxisUnit?: string;
@@ -18,7 +17,6 @@ interface BaseChartProps {
 interface UPlotBasedChartProps {
 	config: UPlotConfigBuilder;
 	data: uPlot.AlignedData;
-	legendConfig: LegendConfig;
 	syncMode?: DashboardCursorSync;
 	syncKey?: string;
 	plotRef?: (plot: uPlot | null) => void;
@@ -28,20 +26,14 @@ interface UPlotBasedChartProps {
 }
 
 export interface TimeSeriesChartProps
-	extends BaseChartProps,
-		UPlotBasedChartProps {}
-
-export interface HistogramChartProps
 	extends BaseChartProps,
 		UPlotBasedChartProps {
-	isQueriesMerged?: boolean;
+	legendConfig: LegendConfig;
 }
 
 export interface BarChartProps extends BaseChartProps, UPlotBasedChartProps {
+	legendConfig: LegendConfig;
 	isStackedBarChart?: boolean;
 }
 
-export type ChartProps =
-	| TimeSeriesChartProps
-	| BarChartProps
-	| HistogramChartProps;
+export type ChartProps = TimeSeriesChartProps | BarChartProps;

frontend/src/container/DashboardContainer/visualization/charts/utils/stackUtils.ts

@@ -1,116 +0,0 @@
-import uPlot, { AlignedData } from 'uplot';
-
-/**
- * Stack data cumulatively (top-down: first series = top, last = bottom).
- * When `omit(seriesIndex)` returns true, that series is excluded from stacking.
- */
-export function stack(
-	data: AlignedData,
-	omit: (seriesIndex: number) => boolean,
-): { data: AlignedData; bands: uPlot.Band[] } {
-	const timeAxis = data[0];
-	const pointCount = timeAxis.length;
-	const valueSeriesCount = data.length - 1; // exclude time axis
-
-	const stackedSeries = buildStackedSeries({
-		data,
-		valueSeriesCount,
-		pointCount,
-		omit,
-	});
-	const bands = buildFillBands(valueSeriesCount + 1, omit); // +1 for 1-based series indices
-
-	return {
-		data: [timeAxis, ...stackedSeries] as AlignedData,
-		bands,
-	};
-}
-
-interface BuildStackedSeriesParams {
-	data: AlignedData;
-	valueSeriesCount: number;
-	pointCount: number;
-	omit: (seriesIndex: number) => boolean;
-}
-
-/**
- * Accumulate from last series upward: last series = raw values, first = total.
- * Omitted series are copied as-is (no accumulation).
- */
-function buildStackedSeries({
-	data,
-	valueSeriesCount,
-	pointCount,
-	omit,
-}: BuildStackedSeriesParams): (number | null)[][] {
-	const stackedSeries: (number | null)[][] = Array(valueSeriesCount);
-	const cumulativeSums = Array(pointCount).fill(0) as number[];
-
-	for (let seriesIndex = valueSeriesCount; seriesIndex >= 1; seriesIndex--) {
-		const rawValues = data[seriesIndex] as (number | null)[];
-
-		if (omit(seriesIndex)) {
-			stackedSeries[seriesIndex - 1] = rawValues;
-		} else {
-			stackedSeries[seriesIndex - 1] = rawValues.map((rawValue, pointIndex) => {
-				const numericValue = rawValue == null ? 0 : Number(rawValue);
-				return (cumulativeSums[pointIndex] += numericValue);
-			});
-		}
-	}
-
-	return stackedSeries;
-}
-
-/**
- * Bands define fill between consecutive visible series for stacked appearance.
- * uPlot format: [upperSeriesIdx, lowerSeriesIdx].
- */
-function buildFillBands(
-	seriesLength: number,
-	omit: (seriesIndex: number) => boolean,
-): uPlot.Band[] {
-	const bands: uPlot.Band[] = [];
-
-	for (let seriesIndex = 1; seriesIndex < seriesLength; seriesIndex++) {
-		if (omit(seriesIndex)) {
-			continue;
-		}
-		const nextVisibleSeriesIndex = findNextVisibleSeriesIndex(
-			seriesLength,
-			seriesIndex,
-			omit,
-		);
-		if (nextVisibleSeriesIndex !== -1) {
-			bands.push({ series: [seriesIndex, nextVisibleSeriesIndex] });
-		}
-	}
-
-	return bands;
-}
-
-function findNextVisibleSeriesIndex(
-	seriesLength: number,
-	afterIndex: number,
-	omit: (seriesIndex: number) => boolean,
-): number {
-	for (let i = afterIndex + 1; i < seriesLength; i++) {
-		if (!omit(i)) {
-			return i;
-		}
-	}
-	return -1;
-}
-
-/**
- * Returns band indices for initial stacked state (no series omitted).
- * Top-down: first series at top, band fills between consecutive series.
- * uPlot band format: [upperSeriesIdx, lowerSeriesIdx].
- */
-export function getInitialStackedBands(seriesCount: number): uPlot.Band[] {
-	const bands: uPlot.Band[] = [];
-	for (let seriesIndex = 1; seriesIndex < seriesCount; seriesIndex++) {
-		bands.push({ series: [seriesIndex, seriesIndex + 1] });
-	}
-	return bands;
-}

frontend/src/container/DashboardContainer/visualization/hooks/useBarChartStacking.ts

@@ -1,125 +0,0 @@
-import {
-	MutableRefObject,
-	useCallback,
-	useLayoutEffect,
-	useMemo,
-	useRef,
-} from 'react';
-import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
-import { has } from 'lodash-es';
-import uPlot from 'uplot';
-
-import { stack } from '../charts/utils/stackUtils';
-
-/** Returns true if the series at the given index is hidden (e.g. via legend toggle). */
-function isSeriesHidden(plot: uPlot, seriesIndex: number): boolean {
-	return !plot.series[seriesIndex]?.show;
-}
-
-function canApplyStacking(
-	unstacked: uPlot.AlignedData | null,
-	plot: uPlot,
-	isUpdating: boolean,
-): boolean {
-	return (
-		!isUpdating &&
-		!!unstacked &&
-		!!plot.data &&
-		unstacked[0]?.length === plot.data[0]?.length
-	);
-}
-
-function setupStackingHooks(
-	config: UPlotConfigBuilder,
-	applyStackingToChart: (plot: uPlot) => void,
-	isUpdatingRef: MutableRefObject<boolean>,
-): () => void {
-	const onDataChange = (plot: uPlot): void => {
-		if (!isUpdatingRef.current) {
-			applyStackingToChart(plot);
-		}
-	};
-
-	const onSeriesVisibilityChange = (
-		plot: uPlot,
-		_seriesIdx: number | null,
-		opts: uPlot.Series,
-	): void => {
-		if (!has(opts, 'focus')) {
-			applyStackingToChart(plot);
-		}
-	};
-
-	const removeSetDataHook = config.addHook('setData', onDataChange);
-	const removeSetSeriesHook = config.addHook(
-		'setSeries',
-		onSeriesVisibilityChange,
-	);
-
-	return (): void => {
-		removeSetDataHook?.();
-		removeSetSeriesHook?.();
-	};
-}
-
-export interface UseBarChartStackingParams {
-	data: uPlot.AlignedData;
-	isStackedBarChart?: boolean;
-	config: UPlotConfigBuilder | null;
-}
-
-/**
- * Handles stacking for bar charts: computes initial stacked data and re-stacks
- * when data or series visibility changes (e.g. legend toggles).
- */
-export function useBarChartStacking({
-	data,
-	isStackedBarChart = false,
-	config,
-}: UseBarChartStackingParams): uPlot.AlignedData {
-	// Store unstacked source data so uPlot hooks can access it (hooks run outside React's render cycle)
-	const unstackedDataRef = useRef<uPlot.AlignedData | null>(null);
-	unstackedDataRef.current = isStackedBarChart ? data : null;
-
-	// Prevents re-entrant calls when we update chart data (avoids infinite loop in setData hook)
-	const isUpdatingChartRef = useRef(false);
-
-	const chartData = useMemo((): uPlot.AlignedData => {
-		if (!isStackedBarChart || !data || data.length < 2) {
-			return data;
-		}
-		const noSeriesHidden = (): boolean => false; // include all series in initial stack
-		const { data: stacked } = stack(data, noSeriesHidden);
-		return stacked;
-	}, [data, isStackedBarChart]);
-
-	const applyStackingToChart = useCallback((plot: uPlot): void => {
-		const unstacked = unstackedDataRef.current;
-		if (
-			!unstacked ||
-			!canApplyStacking(unstacked, plot, isUpdatingChartRef.current)
-		) {
-			return;
-		}
-
-		const shouldExcludeSeries = (idx: number): boolean =>
-			isSeriesHidden(plot, idx);
-		const { data: stacked, bands } = stack(unstacked, shouldExcludeSeries);
-
-		plot.delBand(null);
-		bands.forEach((band: uPlot.Band) => plot.addBand(band));
-
-		isUpdatingChartRef.current = true;
-		plot.setData(stacked);
-		isUpdatingChartRef.current = false;
-	}, []);
-
-	useLayoutEffect(() => {
-		if (!isStackedBarChart || !config) {
-			return undefined;
-		}
-		return setupStackingHooks(config, applyStackingToChart, isUpdatingChartRef);
-	}, [isStackedBarChart, config, applyStackingToChart]);
-
-	return chartData;
-}

frontend/src/container/DashboardContainer/visualization/layout/ChartLayout/ChartLayout.tsx

@@ -1,14 +1,12 @@
 import { useMemo } from 'react';
 import cx from 'classnames';
 import { calculateChartDimensions } from 'container/DashboardContainer/visualization/charts/utils';
-import { MAX_LEGEND_WIDTH } from 'lib/uPlotV2/components/Legend/Legend';
 import { LegendConfig, LegendPosition } from 'lib/uPlotV2/components/types';
 import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
 
 import './ChartLayout.styles.scss';
 
 export interface ChartLayoutProps {
-	showLegend?: boolean;
 	legendComponent: (legendPerSet: number) => React.ReactNode;
 	children: (props: {
 		chartWidth: number;
@@ -22,7 +20,6 @@ export interface ChartLayoutProps {
 	config: UPlotConfigBuilder;
 }
 export default function ChartLayout({
-	showLegend = true,
 	legendComponent,
 	children,
 	layoutChildren,
@@ -33,15 +30,6 @@ export default function ChartLayout({
 }: ChartLayoutProps): JSX.Element {
 	const chartDimensions = useMemo(
 		() => {
-			if (!showLegend) {
-				return {
-					width: containerWidth,
-					height: containerHeight,
-					legendWidth: 0,
-					legendHeight: 0,
-					averageLegendWidth: MAX_LEGEND_WIDTH,
-				};
-			}
 			const legendItemsMap = config.getLegendItems();
 			const seriesLabels = Object.values(legendItemsMap)
 				.map((item) => item.label)
@@ -54,7 +42,7 @@ export default function ChartLayout({
 			});
 		},
 		// eslint-disable-next-line react-hooks/exhaustive-deps
-		[containerWidth, containerHeight, legendConfig, showLegend],
+		[containerWidth, containerHeight, legendConfig],
 	);
 
 	return (
@@ -72,17 +60,15 @@ export default function ChartLayout({
 						averageLegendWidth: chartDimensions.averageLegendWidth,
 					})}
 				</div>
-				{showLegend && (
-					<div
-						className="chart-layout__legend-wrapper"
-						style={{
-							height: chartDimensions.legendHeight,
-							width: chartDimensions.legendWidth,
-						}}
-					>
-						{legendComponent(chartDimensions.averageLegendWidth)}
-					</div>
-				)}
+				<div
+					className="chart-layout__legend-wrapper"
+					style={{
+						height: chartDimensions.legendHeight,
+						width: chartDimensions.legendWidth,
+					}}
+				>
+					{legendComponent(chartDimensions.averageLegendWidth)}
+				</div>
 			</div>
 			{layoutChildren}
 		</div>

frontend/src/container/DashboardContainer/visualization/panels/BarPanel/BarPanel.tsx

@@ -1,154 +0,0 @@
-import { useEffect, useMemo, useRef, useState } from 'react';
-import { PanelWrapperProps } from 'container/PanelWrapper/panelWrapper.types';
-import { useIsDarkMode } from 'hooks/useDarkMode';
-import { useResizeObserver } from 'hooks/useDimensions';
-import { LegendPosition } from 'lib/uPlotV2/components/types';
-import ContextMenu from 'periscope/components/ContextMenu';
-import { useDashboard } from 'providers/Dashboard/Dashboard';
-import { useTimezone } from 'providers/Timezone';
-import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
-import uPlot from 'uplot';
-import { getTimeRange } from 'utils/getTimeRange';
-
-import BarChart from '../../charts/BarChart/BarChart';
-import ChartManager from '../../components/ChartManager/ChartManager';
-import { usePanelContextMenu } from '../../hooks/usePanelContextMenu';
-import { prepareBarPanelConfig, prepareBarPanelData } from './utils';
-
-function BarPanel(props: PanelWrapperProps): JSX.Element {
-	const {
-		panelMode,
-		queryResponse,
-		widget,
-		onDragSelect,
-		isFullViewMode,
-		onToggleModelHandler,
-	} = props;
-	const uPlotRef = useRef<uPlot | null>(null);
-	const { toScrollWidgetId, setToScrollWidgetId } = useDashboard();
-	const graphRef = useRef<HTMLDivElement>(null);
-	const [minTimeScale, setMinTimeScale] = useState<number>();
-	const [maxTimeScale, setMaxTimeScale] = useState<number>();
-	const containerDimensions = useResizeObserver(graphRef);
-
-	const isDarkMode = useIsDarkMode();
-	const { timezone } = useTimezone();
-
-	useEffect(() => {
-		if (toScrollWidgetId === widget.id) {
-			graphRef.current?.scrollIntoView({
-				behavior: 'smooth',
-				block: 'center',
-			});
-			graphRef.current?.focus();
-			setToScrollWidgetId('');
-		}
-	}, [toScrollWidgetId, setToScrollWidgetId, widget.id]);
-
-	useEffect((): void => {
-		const { startTime, endTime } = getTimeRange(queryResponse);
-
-		setMinTimeScale(startTime);
-		setMaxTimeScale(endTime);
-	}, [queryResponse]);
-
-	const {
-		coordinates,
-		popoverPosition,
-		onClose,
-		menuItemsConfig,
-		clickHandlerWithContextMenu,
-	} = usePanelContextMenu({
-		widget,
-		queryResponse,
-	});
-
-	const config = useMemo(() => {
-		return prepareBarPanelConfig({
-			widget,
-			isDarkMode,
-			currentQuery: widget.query,
-			onClick: clickHandlerWithContextMenu,
-			onDragSelect,
-			apiResponse: queryResponse?.data?.payload as MetricRangePayloadProps,
-			timezone,
-			panelMode,
-			minTimeScale: minTimeScale,
-			maxTimeScale: maxTimeScale,
-		});
-	}, [
-		widget,
-		isDarkMode,
-		queryResponse?.data?.payload,
-		clickHandlerWithContextMenu,
-		onDragSelect,
-		minTimeScale,
-		maxTimeScale,
-		timezone,
-		panelMode,
-	]);
-
-	const chartData = useMemo(() => {
-		if (!queryResponse?.data?.payload) {
-			return [];
-		}
-		return prepareBarPanelData(queryResponse?.data?.payload);
-	}, [queryResponse?.data?.payload]);
-
-	const layoutChildren = useMemo(() => {
-		if (!isFullViewMode) {
-			return null;
-		}
-		return (
-			<ChartManager
-				config={config}
-				alignedData={chartData}
-				yAxisUnit={widget.yAxisUnit}
-				onCancel={onToggleModelHandler}
-			/>
-		);
-	}, [
-		isFullViewMode,
-		config,
-		chartData,
-		widget.yAxisUnit,
-		onToggleModelHandler,
-	]);
-
-	return (
-		<div style={{ height: '100%', width: '100%' }} ref={graphRef}>
-			{containerDimensions.width > 0 && containerDimensions.height > 0 && (
-				<BarChart
-					config={config}
-					legendConfig={{
-						position: widget?.legendPosition ?? LegendPosition.BOTTOM,
-					}}
-					plotRef={(plot: uPlot | null): void => {
-						uPlotRef.current = plot;
-					}}
-					onDestroy={(): void => {
-						uPlotRef.current = null;
-					}}
-					yAxisUnit={widget.yAxisUnit}
-					decimalPrecision={widget.decimalPrecision}
-					timezone={timezone.value}
-					data={chartData as uPlot.AlignedData}
-					width={containerDimensions.width}
-					height={containerDimensions.height}
-					layoutChildren={layoutChildren}
-					isStackedBarChart={widget.stackedBarChart ?? false}
-				>
-					<ContextMenu
-						coordinates={coordinates}
-						popoverPosition={popoverPosition}
-						title={menuItemsConfig.header as string}
-						items={menuItemsConfig.items}
-						onClose={onClose}
-					/>
-				</BarChart>
-			)}
-		</div>
-	);
-}
-
-export default BarPanel;

frontend/src/container/DashboardContainer/visualization/panels/BarPanel/utils.ts

@@ -1,108 +0,0 @@
-import { Timezone } from 'components/CustomTimePicker/timezoneUtils';
-import { PANEL_TYPES } from 'constants/queryBuilder';
-import { getInitialStackedBands } from 'container/DashboardContainer/visualization/charts/utils/stackUtils';
-import { getLegend } from 'lib/dashboard/getQueryResults';
-import getLabelName from 'lib/getLabelName';
-import { OnClickPluginOpts } from 'lib/uPlotLib/plugins/onClickPlugin';
-import {
-	DrawStyle,
-	LineInterpolation,
-	LineStyle,
-	VisibilityMode,
-} from 'lib/uPlotV2/config/types';
-import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
-import { Widgets } from 'types/api/dashboard/getAll';
-import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
-import { Query } from 'types/api/queryBuilder/queryBuilderData';
-import { QueryData } from 'types/api/widgets/getQuery';
-import { AlignedData } from 'uplot';
-
-import { PanelMode } from '../types';
-import { fillMissingXAxisTimestamps, getXAxisTimestamps } from '../utils';
-import { buildBaseConfig } from '../utils/baseConfigBuilder';
-
-export function prepareBarPanelData(
-	apiResponse: MetricRangePayloadProps,
-): AlignedData {
-	const seriesList = apiResponse?.data?.result || [];
-	const timestampArr = getXAxisTimestamps(seriesList);
-	const yAxisValuesArr = fillMissingXAxisTimestamps(timestampArr, seriesList);
-	return [timestampArr, ...yAxisValuesArr];
-}
-
-export function prepareBarPanelConfig({
-	widget,
-	isDarkMode,
-	currentQuery,
-	onClick,
-	onDragSelect,
-	apiResponse,
-	timezone,
-	panelMode,
-	minTimeScale,
-	maxTimeScale,
-}: {
-	widget: Widgets;
-	isDarkMode: boolean;
-	currentQuery: Query;
-	onClick: OnClickPluginOpts['onClick'];
-	onDragSelect: (startTime: number, endTime: number) => void;
-	apiResponse: MetricRangePayloadProps;
-	timezone: Timezone;
-	panelMode: PanelMode;
-	minTimeScale?: number;
-	maxTimeScale?: number;
-}): UPlotConfigBuilder {
-	const builder = buildBaseConfig({
-		widget,
-		isDarkMode,
-		onClick,
-		onDragSelect,
-		apiResponse,
-		timezone,
-		panelMode,
-		panelType: PANEL_TYPES.BAR,
-		minTimeScale,
-		maxTimeScale,
-	});
-
-	builder.setCursor({
-		focus: {
-			prox: 1e3,
-		},
-	});
-
-	if (widget.stackedBarChart) {
-		const seriesCount = (apiResponse?.data?.result?.length ?? 0) + 1; // +1 for 1-based uPlot series indices
-		builder.setBands(getInitialStackedBands(seriesCount));
-	}
-
-	const seriesList: QueryData[] = apiResponse?.data?.result || [];
-	seriesList.forEach((series) => {
-		const baseLabelName = getLabelName(
-			series.metric,
-			series.queryName || '', // query
-			series.legend || '',
-		);
-
-		const label = currentQuery
-			? getLegend(series, currentQuery, baseLabelName)
-			: baseLabelName;
-
-		builder.addSeries({
-			scaleKey: 'y',
-			drawStyle: DrawStyle.Bar,
-			panelType: PANEL_TYPES.BAR,
-			label: label,
-			colorMapping: widget.customLegendColors ?? {},
-			spanGaps: false,
-			lineStyle: LineStyle.Solid,
-			lineInterpolation: LineInterpolation.Spline,
-			showPoints: VisibilityMode.Never,
-			pointSize: 5,
-			isDarkMode,
-		});
-	});
-
-	return builder;
-}

frontend/src/container/DashboardContainer/visualization/panels/HistogramPanel/HistogramPanel.tsx

@@ -1,121 +0,0 @@
-import { useEffect, useMemo, useRef } from 'react';
-import { PanelWrapperProps } from 'container/PanelWrapper/panelWrapper.types';
-import { useIsDarkMode } from 'hooks/useDarkMode';
-import { useResizeObserver } from 'hooks/useDimensions';
-import { LegendPosition } from 'lib/uPlotV2/components/types';
-import { DashboardCursorSync } from 'lib/uPlotV2/plugins/TooltipPlugin/types';
-import { useDashboard } from 'providers/Dashboard/Dashboard';
-import { useTimezone } from 'providers/Timezone';
-import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
-import uPlot from 'uplot';
-
-import Histogram from '../../charts/Histogram/Histogram';
-import ChartManager from '../../components/ChartManager/ChartManager';
-import {
-	prepareHistogramPanelConfig,
-	prepareHistogramPanelData,
-} from './utils';
-
-function HistogramPanel(props: PanelWrapperProps): JSX.Element {
-	const {
-		panelMode,
-		queryResponse,
-		widget,
-		isFullViewMode,
-		onToggleModelHandler,
-	} = props;
-	const uPlotRef = useRef<uPlot | null>(null);
-	const { toScrollWidgetId, setToScrollWidgetId } = useDashboard();
-	const graphRef = useRef<HTMLDivElement>(null);
-	const containerDimensions = useResizeObserver(graphRef);
-
-	const isDarkMode = useIsDarkMode();
-	const { timezone } = useTimezone();
-
-	useEffect(() => {
-		if (toScrollWidgetId === widget.id) {
-			graphRef.current?.scrollIntoView({
-				behavior: 'smooth',
-				block: 'center',
-			});
-			graphRef.current?.focus();
-			setToScrollWidgetId('');
-		}
-	}, [toScrollWidgetId, setToScrollWidgetId, widget.id]);
-
-	const config = useMemo(() => {
-		return prepareHistogramPanelConfig({
-			widget,
-			isDarkMode,
-			apiResponse: queryResponse?.data?.payload as MetricRangePayloadProps,
-			panelMode,
-		});
-	}, [widget, isDarkMode, queryResponse?.data?.payload, panelMode]);
-
-	const chartData = useMemo(() => {
-		if (!queryResponse?.data?.payload) {
-			return [];
-		}
-		return prepareHistogramPanelData({
-			apiResponse: queryResponse?.data?.payload as MetricRangePayloadProps,
-			bucketWidth: widget?.bucketWidth,
-			bucketCount: widget?.bucketCount,
-			mergeAllActiveQueries: widget?.mergeAllActiveQueries,
-		});
-	}, [
-		queryResponse?.data?.payload,
-		widget?.bucketWidth,
-		widget?.bucketCount,
-		widget?.mergeAllActiveQueries,
-	]);
-
-	const layoutChildren = useMemo(() => {
-		if (!isFullViewMode) {
-			return null;
-		}
-		return (
-			<ChartManager
-				config={config}
-				alignedData={chartData}
-				yAxisUnit={widget.yAxisUnit}
-				onCancel={onToggleModelHandler}
-			/>
-		);
-	}, [
-		isFullViewMode,
-		config,
-		chartData,
-		widget.yAxisUnit,
-		onToggleModelHandler,
-	]);
-
-	return (
-		<div style={{ height: '100%', width: '100%' }} ref={graphRef}>
-			{containerDimensions.width > 0 && containerDimensions.height > 0 && (
-				<Histogram
-					config={config}
-					legendConfig={{
-						position: widget?.legendPosition ?? LegendPosition.BOTTOM,
-					}}
-					plotRef={(plot: uPlot | null): void => {
-						uPlotRef.current = plot;
-					}}
-					onDestroy={(): void => {
-						uPlotRef.current = null;
-					}}
-					isQueriesMerged={widget.mergeAllActiveQueries}
-					yAxisUnit={widget.yAxisUnit}
-					decimalPrecision={widget.decimalPrecision}
-					syncMode={DashboardCursorSync.Crosshair}
-					timezone={timezone.value}
-					data={chartData as uPlot.AlignedData}
-					width={containerDimensions.width}
-					height={containerDimensions.height}
-					layoutChildren={layoutChildren}
-				/>
-			)}
-		</div>
-	);
-}
-
-export default HistogramPanel;

frontend/src/container/DashboardContainer/visualization/panels/HistogramPanel/utils.ts

@@ -1,214 +0,0 @@
-import { histogramBucketSizes } from '@grafana/data';
-import { PANEL_TYPES } from 'constants/queryBuilder';
-import { DEFAULT_BUCKET_COUNT } from 'container/PanelWrapper/constants';
-import { getLegend } from 'lib/dashboard/getQueryResults';
-import getLabelName from 'lib/getLabelName';
-import { DrawStyle, VisibilityMode } from 'lib/uPlotV2/config/types';
-import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
-import { incrRoundDn } from 'lib/uPlotV2/utils/scale';
-import { Widgets } from 'types/api/dashboard/getAll';
-import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
-import { AlignedData } from 'uplot';
-
-import { PanelMode } from '../types';
-import { buildBaseConfig } from '../utils/baseConfigBuilder';
-import {
-	addNullToFirstHistogram,
-	histogram,
-	join,
-	replaceUndefinedWithNull,
-	roundDecimals,
-} from '../utils/histogram';
-
-export interface PrepareHistogramPanelDataParams {
-	apiResponse: MetricRangePayloadProps;
-	bucketWidth?: number;
-	bucketCount?: number;
-	mergeAllActiveQueries?: boolean;
-}
-
-const BUCKET_OFFSET = 0;
-const HIST_SORT = (a: number, b: number): number => a - b;
-
-function extractNumericValues(
-	result: MetricRangePayloadProps['data']['result'],
-): number[] {
-	const values: number[] = [];
-	for (const item of result) {
-		for (const [, valueStr] of item.values) {
-			values.push(Number.parseFloat(valueStr) || 0);
-		}
-	}
-	return values;
-}
-
-function computeSmallestDelta(sortedValues: number[]): number {
-	if (sortedValues.length <= 1) {
-		return 0;
-	}
-	let smallest = Infinity;
-	for (let i = 1; i < sortedValues.length; i++) {
-		const delta = sortedValues[i] - sortedValues[i - 1];
-		if (delta > 0) {
-			smallest = Math.min(smallest, delta);
-		}
-	}
-	return smallest === Infinity ? 0 : smallest;
-}
-
-function selectBucketSize({
-	range,
-	bucketCount,
-	smallestDelta,
-	bucketWidthOverride,
-}: {
-	range: number;
-	bucketCount: number;
-	smallestDelta: number;
-	bucketWidthOverride?: number;
-}): number {
-	if (bucketWidthOverride != null && bucketWidthOverride > 0) {
-		return bucketWidthOverride;
-	}
-	const targetSize = range / bucketCount;
-	for (const candidate of histogramBucketSizes) {
-		if (targetSize < candidate && candidate >= smallestDelta) {
-			return candidate;
-		}
-	}
-	return 0;
-}
-
-function buildFrames(
-	result: MetricRangePayloadProps['data']['result'],
-	mergeAllActiveQueries: boolean,
-): number[][] {
-	const frames: number[][] = result.map((item) =>
-		item.values.map(([, valueStr]) => Number.parseFloat(valueStr) || 0),
-	);
-	if (mergeAllActiveQueries && frames.length > 1) {
-		const first = frames[0];
-		for (let i = 1; i < frames.length; i++) {
-			first.push(...frames[i]);
-			frames[i] = [];
-		}
-	}
-	return frames;
-}
-
-export function prepareHistogramPanelData({
-	apiResponse,
-	bucketWidth,
-	bucketCount: bucketCountProp = DEFAULT_BUCKET_COUNT,
-	mergeAllActiveQueries = false,
-}: PrepareHistogramPanelDataParams): AlignedData {
-	const bucketCount = bucketCountProp ?? DEFAULT_BUCKET_COUNT;
-	const result = apiResponse.data.result;
-
-	const seriesValues = extractNumericValues(result);
-	if (seriesValues.length === 0) {
-		return [[]];
-	}
-
-	const sorted = [...seriesValues].sort((a, b) => a - b);
-	const min = sorted[0];
-	const max = sorted[sorted.length - 1];
-	const range = max - min;
-	const smallestDelta = computeSmallestDelta(sorted);
-	let bucketSize = selectBucketSize({
-		range,
-		bucketCount,
-		smallestDelta,
-		bucketWidthOverride: bucketWidth,
-	});
-	if (bucketSize <= 0) {
-		bucketSize = range > 0 ? range / bucketCount : 1;
-	}
-
-	const getBucket = (v: number): number =>
-		roundDecimals(incrRoundDn(v - BUCKET_OFFSET, bucketSize) + BUCKET_OFFSET, 9);
-
-	const frames = buildFrames(result, mergeAllActiveQueries);
-	const histograms: AlignedData[] = frames
-		.filter((frame) => frame.length > 0)
-		.map((frame) => histogram(frame, getBucket, HIST_SORT));
-
-	if (histograms.length === 0) {
-		return [[]];
-	}
-
-	const joined = join(histograms);
-	replaceUndefinedWithNull(joined);
-	addNullToFirstHistogram(joined, bucketSize);
-	return joined;
-}
-
-export function prepareHistogramPanelConfig({
-	widget,
-	apiResponse,
-	panelMode,
-	isDarkMode,
-}: {
-	widget: Widgets;
-	apiResponse: MetricRangePayloadProps;
-	panelMode: PanelMode;
-	isDarkMode: boolean;
-}): UPlotConfigBuilder {
-	const builder = buildBaseConfig({
-		widget,
-		isDarkMode,
-		apiResponse,
-		panelMode,
-		panelType: PANEL_TYPES.HISTOGRAM,
-	});
-	builder.setCursor({
-		drag: {
-			x: false,
-			y: false,
-			setScale: true,
-		},
-		focus: {
-			prox: 1e3,
-		},
-	});
-
-	builder.addScale({
-		scaleKey: 'x',
-		time: false,
-		auto: true,
-	});
-	builder.addScale({
-		scaleKey: 'y',
-		time: false,
-		auto: true,
-	});
-
-	const currentQuery = widget.query;
-
-	apiResponse.data.result.forEach((series) => {
-		const baseLabelName = getLabelName(
-			series.metric,
-			series.queryName || '', // query
-			series.legend || '',
-		);
-
-		const label = currentQuery
-			? getLegend(series, currentQuery, baseLabelName)
-			: baseLabelName;
-
-		builder.addSeries({
-			label: label,
-			scaleKey: 'y',
-			drawStyle: DrawStyle.Bar,
-			panelType: PANEL_TYPES.HISTOGRAM,
-			colorMapping: widget.customLegendColors ?? {},
-			spanGaps: false,
-			barWidthFactor: 1,
-			showPoints: VisibilityMode.Never,
-			pointSize: 5,
-			isDarkMode,
-		});
-	});
-
-	return builder;
-}

frontend/src/container/DashboardContainer/visualization/panels/utils/baseConfigBuilder.ts

@@ -19,9 +19,9 @@ export interface BaseConfigBuilderProps {
 	widget: Widgets;
 	apiResponse: MetricRangePayloadProps;
 	isDarkMode: boolean;
-	onClick?: OnClickPluginOpts['onClick'];
-	onDragSelect?: (startTime: number, endTime: number) => void;
-	timezone?: Timezone;
+	onClick: OnClickPluginOpts['onClick'];
+	onDragSelect: (startTime: number, endTime: number) => void;
+	timezone: Timezone;
 	panelMode: PanelMode;
 	panelType: PANEL_TYPES;
 	minTimeScale?: number;
@@ -40,10 +40,8 @@ export function buildBaseConfig({
 	minTimeScale,
 	maxTimeScale,
 }: BaseConfigBuilderProps): UPlotConfigBuilder {
-	const tzDate = timezone
-		? (timestamp: number): Date =>
-				uPlot.tzDate(new Date(timestamp * 1e3), timezone.value)
-		: undefined;
+	const tzDate = (timestamp: number): Date =>
+		uPlot.tzDate(new Date(timestamp * 1e3), timezone.value);
 
 	const builder = new UPlotConfigBuilder({
 		onDragSelect,

frontend/src/container/DashboardContainer/visualization/panels/utils/histogram.ts

@@ -1,181 +0,0 @@
-/* eslint-disable sonarjs/cognitive-complexity */
-/* eslint-disable @typescript-eslint/ban-ts-comment */
-/* eslint-disable no-param-reassign */
-import {
-	NULL_EXPAND,
-	NULL_REMOVE,
-	NULL_RETAIN,
-} from 'container/PanelWrapper/constants';
-import { AlignedData } from 'uplot';
-
-export function incrRoundDn(num: number, incr: number): number {
-	return Math.floor(num / incr) * incr;
-}
-
-export function roundDecimals(val: number, dec = 0): number {
-	if (Number.isInteger(val)) {
-		return val;
-	}
-
-	const p = 10 ** dec;
-	const n = val * p * (1 + Number.EPSILON);
-	return Math.round(n) / p;
-}
-
-function nullExpand(
-	yVals: Array<number | null>,
-	nullIdxs: number[],
-	alignedLen: number,
-): void {
-	for (let i = 0, xi, lastNullIdx = -1; i < nullIdxs.length; i++) {
-		const nullIdx = nullIdxs[i];
-
-		if (nullIdx > lastNullIdx) {
-			xi = nullIdx - 1;
-			while (xi >= 0 && yVals[xi] == null) {
-				yVals[xi--] = null;
-			}
-
-			xi = nullIdx + 1;
-			while (xi < alignedLen && yVals[xi] == null) {
-				yVals[(lastNullIdx = xi++)] = null;
-			}
-		}
-	}
-}
-
-export function join(
-	tables: AlignedData[],
-	nullModes?: number[][],
-): AlignedData {
-	let xVals: Set<number>;
-
-	// eslint-disable-next-line prefer-const
-	xVals = new Set();
-
-	for (let ti = 0; ti < tables.length; ti++) {
-		const t = tables[ti];
-		const xs = t[0];
-		const len = xs.length;
-
-		for (let i = 0; i < len; i++) {
-			xVals.add(xs[i]);
-		}
-	}
-
-	const data = [Array.from(xVals).sort((a, b) => a - b)];
-
-	const alignedLen = data[0].length;
-
-	const xIdxs = new Map();
-
-	for (let i = 0; i < alignedLen; i++) {
-		xIdxs.set(data[0][i], i);
-	}
-
-	for (let ti = 0; ti < tables.length; ti++) {
-		const t = tables[ti];
-		const xs = t[0];
-
-		for (let si = 1; si < t.length; si++) {
-			const ys = t[si];
-
-			const yVals = Array(alignedLen).fill(undefined);
-
-			const nullMode = nullModes ? nullModes[ti][si] : NULL_RETAIN;
-
-			const nullIdxs = [];
-
-			for (let i = 0; i < ys.length; i++) {
-				const yVal = ys[i];
-				const alignedIdx = xIdxs.get(xs[i]);
-
-				if (yVal === null) {
-					if (nullMode !== NULL_REMOVE) {
-						yVals[alignedIdx] = yVal;
-
-						if (nullMode === NULL_EXPAND) {
-							nullIdxs.push(alignedIdx);
-						}
-					}
-				} else {
-					yVals[alignedIdx] = yVal;
-				}
-			}
-
-			nullExpand(yVals, nullIdxs, alignedLen);
-
-			data.push(yVals);
-		}
-	}
-
-	return data as AlignedData;
-}
-
-export function histogram(
-	vals: number[],
-	getBucket: (v: number) => number,
-	sort?: ((a: number, b: number) => number) | null,
-): AlignedData {
-	const hist = new Map();
-
-	for (let i = 0; i < vals.length; i++) {
-		let v = vals[i];
-
-		if (v != null) {
-			v = getBucket(v);
-		}
-
-		const entry = hist.get(v);
-
-		if (entry) {
-			entry.count++;
-		} else {
-			hist.set(v, { value: v, count: 1 });
-		}
-	}
-
-	const bins = [...hist.values()];
-
-	// eslint-disable-next-line @typescript-eslint/no-unused-expressions
-	sort && bins.sort((a, b) => sort(a.value, b.value));
-
-	const values = Array(bins.length);
-	const counts = Array(bins.length);
-
-	for (let i = 0; i < bins.length; i++) {
-		values[i] = bins[i].value;
-		counts[i] = bins[i].count;
-	}
-
-	return [values, counts];
-}
-
-export function replaceUndefinedWithNull(data: AlignedData): AlignedData {
-	const arrays = data as (number | null | undefined)[][];
-	for (let i = 0; i < arrays.length; i++) {
-		for (let j = 0; j < arrays[i].length; j++) {
-			if (arrays[i][j] === undefined) {
-				arrays[i][j] = null;
-			}
-		}
-	}
-	return data;
-}
-
-export function addNullToFirstHistogram(
-	data: AlignedData,
-	bucketSize: number,
-): void {
-	const histograms = data as (number | null)[][];
-	if (
-		histograms.length > 0 &&
-		histograms[0].length > 0 &&
-		histograms[0][0] !== null
-	) {
-		histograms[0].unshift(histograms[0][0] - bucketSize);
-		for (let i = 1; i < histograms.length; i++) {
-			histograms[i].unshift(null);
-		}
-	}
-}

frontend/src/lib/uPlotV2/components/Tooltip/BarChartTooltip.tsx

@@ -1,31 +0,0 @@
-import { useMemo } from 'react';
-
-import { BarTooltipProps, TooltipContentItem } from '../types';
-import Tooltip from './Tooltip';
-import { buildTooltipContent } from './utils';
-
-export default function BarChartTooltip(props: BarTooltipProps): JSX.Element {
-	const content = useMemo(
-		(): TooltipContentItem[] =>
-			buildTooltipContent({
-				data: props.uPlotInstance.data,
-				series: props.uPlotInstance.series,
-				dataIndexes: props.dataIndexes,
-				activeSeriesIndex: props.seriesIndex,
-				uPlotInstance: props.uPlotInstance,
-				yAxisUnit: props.yAxisUnit ?? '',
-				decimalPrecision: props.decimalPrecision,
-				isStackedBarChart: props.isStackedBarChart,
-			}),
-		[
-			props.uPlotInstance,
-			props.seriesIndex,
-			props.dataIndexes,
-			props.yAxisUnit,
-			props.decimalPrecision,
-			props.isStackedBarChart,
-		],
-	);
-
-	return <Tooltip {...props} content={content} />;
-}

frontend/src/lib/uPlotV2/components/Tooltip/HistogramTooltip.tsx

@@ -1,8 +0,0 @@
-import { HistogramTooltipProps } from '../types';
-import Tooltip from './Tooltip';
-
-export default function HistogramTooltip(
-	props: HistogramTooltipProps,
-): JSX.Element {
-	return <Tooltip {...props} showTooltipHeader={false} />;
-}

frontend/src/lib/uPlotV2/components/Tooltip/Tooltip.tsx

@@ -16,16 +16,12 @@ export default function Tooltip({
 	uPlotInstance,
 	timezone,
 	content,
-	showTooltipHeader = true,
 }: TooltipProps): JSX.Element {
 	const isDarkMode = useIsDarkMode();
 
 	const tooltipContent = content ?? [];
 
 	const headerTitle = useMemo(() => {
-		if (!showTooltipHeader) {
-			return null;
-		}
 		const data = uPlotInstance.data;
 		const cursorIdx = uPlotInstance.cursor.idx;
 		if (cursorIdx == null) {
@@ -34,12 +30,7 @@ export default function Tooltip({
 		return dayjs(data[0][cursorIdx] * 1000)
 			.tz(timezone)
 			.format(DATE_TIME_FORMATS.MONTH_DATETIME_SECONDS);
-	}, [
-		timezone,
-		uPlotInstance.data,
-		uPlotInstance.cursor.idx,
-		showTooltipHeader,
-	]);
+	}, [timezone, uPlotInstance.data, uPlotInstance.cursor.idx]);
 
 	return (
 		<div
@@ -48,11 +39,9 @@ export default function Tooltip({
 				isDarkMode ? 'darkMode' : 'lightMode',
 			)}
 		>
-			{showTooltipHeader && (
-				<div className="uplot-tooltip-header">
-					<span>{headerTitle}</span>
-				</div>
-			)}
+			<div className="uplot-tooltip-header">
+				<span>{headerTitle}</span>
+			</div>
 			<div
 				style={{
 					height: Math.min(

frontend/src/lib/uPlotV2/components/Tooltip/utils.ts

@@ -25,28 +25,16 @@ export function getTooltipBaseValue({
 	index,
 	dataIndex,
 	isStackedBarChart,
-	series,
 }: {
 	data: AlignedData;
 	index: number;
 	dataIndex: number;
 	isStackedBarChart?: boolean;
-	series?: Series[];
 }): number | null {
 	let baseValue = data[index][dataIndex] ?? null;
-	// Top-down stacking (first series at top): raw = stacked[i] - stacked[nextVisible].
-	// When series are hidden, we must use the next *visible* series, not index+1,
-	// since hidden series keep raw values and would produce negative/wrong results.
-	if (isStackedBarChart && baseValue !== null && series) {
-		let nextVisibleIdx = -1;
-		for (let j = index + 1; j < series.length; j++) {
-			if (series[j]?.show) {
-				nextVisibleIdx = j;
-				break;
-			}
-		}
-		if (nextVisibleIdx >= 1) {
-			const nextValue = data[nextVisibleIdx][dataIndex] ?? 0;
+	if (isStackedBarChart && index + 1 < data.length && baseValue !== null) {
+		const nextValue = data[index + 1][dataIndex] ?? null;
+		if (nextValue !== null) {
 			baseValue = baseValue - nextValue;
 		}
 	}
@@ -92,7 +80,6 @@ export function buildTooltipContent({
 			index,
 			dataIndex,
 			isStackedBarChart,
-			series,
 		});
 
 		const isActive = index === activeSeriesIndex;

frontend/src/lib/uPlotV2/components/types.ts

@@ -60,7 +60,6 @@ export interface TooltipRenderArgs {
 }
 
 export interface BaseTooltipProps {
-	showTooltipHeader?: boolean;
 	timezone: string;
 	yAxisUnit?: string;
 	decimalPrecision?: PrecisionOption;
@@ -75,14 +74,7 @@ export interface BarTooltipProps extends BaseTooltipProps, TooltipRenderArgs {
 	isStackedBarChart?: boolean;
 }
 
-export interface HistogramTooltipProps
-	extends BaseTooltipProps,
-		TooltipRenderArgs {}
-
-export type TooltipProps =
-	| TimeSeriesTooltipProps
-	| BarTooltipProps
-	| HistogramTooltipProps;
+export type TooltipProps = TimeSeriesTooltipProps | BarTooltipProps;
 
 export enum LegendPosition {
 	BOTTOM = 'bottom',

frontend/src/lib/uPlotV2/config/UPlotSeriesBuilder.ts

@@ -1,10 +1,8 @@
-import { PANEL_TYPES } from 'constants/queryBuilder';
 import { themeColors } from 'constants/theme';
 import { generateColor } from 'lib/uPlotLib/utils/generateColor';
 import uPlot, { Series } from 'uplot';
 
 import {
-	BarAlignment,
 	ConfigBuilder,
 	DrawStyle,
 	LineInterpolation,
@@ -46,10 +44,15 @@ export class UPlotSeriesBuilder extends ConfigBuilder<SeriesProps, Series> {
 
 	private buildLineConfig({
 		lineColor,
+		lineWidth,
+		lineStyle,
+		lineCap,
 	}: {
 		lineColor: string;
+		lineWidth?: number;
+		lineStyle?: LineStyle;
+		lineCap?: Series.Cap;
 	}): Partial<Series> {
-		const { lineWidth, lineStyle, lineCap } = this.props;
 		const lineConfig: Partial<Series> = {
 			stroke: lineColor,
 			width: lineWidth ?? 2,
@@ -62,28 +65,21 @@ export class UPlotSeriesBuilder extends ConfigBuilder<SeriesProps, Series> {
 		if (lineCap) {
 			lineConfig.cap = lineCap;
 		}
-
-		if (this.props.panelType === PANEL_TYPES.BAR) {
-			lineConfig.fill = lineColor;
-		} else if (this.props.panelType === PANEL_TYPES.HISTOGRAM) {
-			lineConfig.fill = `${lineColor}40`;
-		}
-
 		return lineConfig;
 	}
 
 	/**
 	 * Build path configuration
 	 */
-	private buildPathConfig(): Partial<Series> {
-		const {
-			pathBuilder,
-			drawStyle,
-			lineInterpolation,
-			barAlignment,
-			barMaxWidth,
-			barWidthFactor,
-		} = this.props;
+	private buildPathConfig({
+		pathBuilder,
+		drawStyle,
+		lineInterpolation,
+	}: {
+		pathBuilder?: Series.PathBuilder | null;
+		drawStyle: DrawStyle;
+		lineInterpolation?: LineInterpolation;
+	}): Partial<Series> {
 		if (pathBuilder) {
 			return { paths: pathBuilder };
 		}
@@ -100,13 +96,7 @@ export class UPlotSeriesBuilder extends ConfigBuilder<SeriesProps, Series> {
 					idx0: number,
 					idx1: number,
 				): Series.Paths | null => {
-					const pathsBuilder = getPathBuilder({
-						drawStyle,
-						lineInterpolation,
-						barAlignment,
-						barMaxWidth,
-						barWidthFactor,
-					});
+					const pathsBuilder = getPathBuilder(drawStyle, lineInterpolation);
 
 					return pathsBuilder(self, seriesIdx, idx0, idx1);
 				},
@@ -121,17 +111,21 @@ export class UPlotSeriesBuilder extends ConfigBuilder<SeriesProps, Series> {
 	 */
 	private buildPointsConfig({
 		lineColor,
+		lineWidth,
+		pointSize,
+		pointsBuilder,
+		pointsFilter,
+		drawStyle,
+		showPoints,
 	}: {
 		lineColor: string;
+		lineWidth?: number;
+		pointSize?: number;
+		pointsBuilder: Series.Points.Show | null;
+		pointsFilter: Series.Points.Filter | null;
+		drawStyle: DrawStyle;
+		showPoints?: VisibilityMode;
 	}): Partial<Series.Points> {
-		const {
-			lineWidth,
-			pointSize,
-			pointsBuilder,
-			pointsFilter,
-			drawStyle,
-			showPoints,
-		} = this.props;
 		const pointsConfig: Partial<Series.Points> = {
 			stroke: lineColor,
 			fill: lineColor,
@@ -168,16 +162,44 @@ export class UPlotSeriesBuilder extends ConfigBuilder<SeriesProps, Series> {
 	}
 
 	getConfig(): Series {
-		const { scaleKey, label, spanGaps, show = true } = this.props;
+		const {
+			drawStyle,
+			pathBuilder,
+			pointsBuilder,
+			pointsFilter,
+			lineInterpolation,
+			lineWidth,
+			lineStyle,
+			lineCap,
+			showPoints,
+			pointSize,
+			scaleKey,
+			label,
+			spanGaps,
+			show = true,
+		} = this.props;
 
 		const lineColor = this.getLineColor();
 
 		const lineConfig = this.buildLineConfig({
 			lineColor,
+			lineWidth,
+			lineStyle,
+			lineCap,
+		});
+		const pathConfig = this.buildPathConfig({
+			pathBuilder,
+			drawStyle,
+			lineInterpolation,
 		});
-		const pathConfig = this.buildPathConfig();
 		const pointsConfig = this.buildPointsConfig({
 			lineColor,
+			lineWidth,
+			pointSize,
+			pointsBuilder: pointsBuilder ?? null,
+			pointsFilter: pointsFilter ?? null,
+			drawStyle,
+			showPoints,
 		});
 
 		return {
@@ -205,37 +227,15 @@ interface PathBuilders {
 /**
  * Get path builder based on draw style and interpolation
  */
-function getPathBuilder({
-	drawStyle,
-	lineInterpolation,
-	barAlignment = BarAlignment.Center,
-	barWidthFactor = 0.6,
-	barMaxWidth = 200,
-}: {
-	drawStyle: DrawStyle;
-	lineInterpolation?: LineInterpolation;
-	barAlignment?: BarAlignment;
-	barMaxWidth?: number;
-	barWidthFactor?: number;
-}): Series.PathBuilder {
-	const pathBuilders = uPlot.paths;
-
+function getPathBuilder(
+	style: DrawStyle,
+	lineInterpolation?: LineInterpolation,
+): Series.PathBuilder {
 	if (!builders) {
 		throw new Error('Required uPlot path builders are not available');
 	}
 
-	if (drawStyle === DrawStyle.Bar) {
-		const barsCfgKey = `bars|${barAlignment}|${barWidthFactor}|${barMaxWidth}`;
-		if (!builders[barsCfgKey] && pathBuilders.bars) {
-			builders[barsCfgKey] = pathBuilders.bars({
-				size: [barWidthFactor, barMaxWidth],
-				align: barAlignment,
-			});
-		}
-		return builders[barsCfgKey];
-	}
-
-	if (drawStyle === DrawStyle.Line) {
+	if (style === DrawStyle.Line) {
 		if (lineInterpolation === LineInterpolation.StepBefore) {
 			return builders.stepBefore;
 		}

frontend/src/lib/uPlotV2/config/types.ts

@@ -126,45 +126,7 @@ export enum VisibilityMode {
 	Never = 'never',
 }
 
-/**
- * Props for configuring lines
- */
-export interface LineConfig {
-	lineColor?: string;
-	lineInterpolation?: LineInterpolation;
-	lineStyle?: LineStyle;
-	lineWidth?: number;
-	lineCap?: Series.Cap;
-}
-
-/**
- * Alignment of bars
- */
-export enum BarAlignment {
-	After = 1,
-	Before = -1,
-	Center = 0,
-}
-
-/**
- * Props for configuring bars
- */
-export interface BarConfig {
-	barAlignment?: BarAlignment;
-	barMaxWidth?: number;
-	barWidthFactor?: number;
-}
-
-/**
- * Props for configuring points
- */
-export interface PointsConfig {
-	pointColor?: string;
-	pointSize?: number;
-	showPoints?: VisibilityMode;
-}
-
-export interface SeriesProps extends LineConfig, PointsConfig, BarConfig {
+export interface SeriesProps {
 	scaleKey: string;
 	label?: string;
 	panelType: PANEL_TYPES;
@@ -175,7 +137,20 @@ export interface SeriesProps extends LineConfig, PointsConfig, BarConfig {
 	pointsBuilder?: Series.Points.Show;
 	show?: boolean;
 	spanGaps?: boolean;
+
 	isDarkMode?: boolean;
+
+	// Line config
+	lineColor?: string;
+	lineInterpolation?: LineInterpolation;
+	lineStyle?: LineStyle;
+	lineWidth?: number;
+	lineCap?: Series.Cap;
+
+	// Points config
+	pointColor?: string;
+	pointSize?: number;
+	showPoints?: VisibilityMode;
 }
 
 export interface LegendItem {

pkg/emailing/config.go

@@ -10,6 +10,27 @@ type Config struct {
 
 type Templates struct {
 	Directory string `mapstructure:"directory"`
+	Format    Format `mapstructure:"format"`
+}
+
+type Format struct {
+	Header Header `mapstructure:"header" json:"header"`
+	Help   Help   `mapstructure:"help" json:"help"`
+	Footer Footer `mapstructure:"footer" json:"footer"`
+}
+
+type Header struct {
+	Enabled bool   `mapstructure:"enabled" json:"enabled"`
+	LogoURL string `mapstructure:"logo_url" json:"logo_url"`
+}
+
+type Help struct {
+	Enabled bool   `mapstructure:"enabled" json:"enabled"`
+	Email   string `mapstructure:"email" json:"email"`
+}
+
+type Footer struct {
+	Enabled bool `mapstructure:"enabled" json:"enabled"`
 }
 
 type SMTP struct {
@@ -45,6 +66,19 @@ func newConfig() factory.Config {
 		Enabled: false,
 		Templates: Templates{
 			Directory: "/root/templates",
+			Format: Format{
+				Header: Header{
+					Enabled: false,
+					LogoURL: "",
+				},
+				Help: Help{
+					Enabled: false,
+					Email:   "",
+				},
+				Footer: Footer{
+					Enabled: false,
+				},
+			},
 		},
 		SMTP: SMTP{
 			Address: "localhost:25",

pkg/emailing/smtpemailing/provider.go

@@ -15,6 +15,7 @@ type provider struct {
 	settings factory.ScopedProviderSettings
 	store    emailtypes.TemplateStore
 	client   *client.Client
+	config   emailing.Config
 }
 
 func NewFactory() factory.ProviderFactory[emailing.Emailing, emailing.Config] {
@@ -55,7 +56,7 @@ func New(ctx context.Context, providerSettings factory.ProviderSettings, config
 		return nil, err
 	}
 
-	return &provider{settings: settings, store: store, client: client}, nil
+	return &provider{settings: settings, store: store, client: client, config: config}, nil
 }
 
 func (provider *provider) SendHTML(ctx context.Context, to string, subject string, templateName emailtypes.TemplateName, data map[string]any) error {
@@ -69,6 +70,9 @@ func (provider *provider) SendHTML(ctx context.Context, to string, subject strin
 		return err
 	}
 
+	data["format"] = provider.config.Templates.Format
+	data["to"] = to
+
 	content, err := emailtypes.NewContent(template, data)
 	if err != nil {
 		return err

pkg/modules/user/impluser/module.go

@@ -146,11 +146,9 @@ func (m *Module) CreateBulkInvite(ctx context.Context, orgID valuer.UUID, userID
 			continue
 		}
 
-		if err := m.emailing.SendHTML(ctx, invites[i].Email.String(), "You are invited to join a team in SigNoz", emailtypes.TemplateNameInvitationEmail, map[string]any{
-			"CustomerName": invites[i].Name,
-			"InviterName":  creator.DisplayName,
-			"InviterEmail": creator.Email,
-			"Link":         fmt.Sprintf("%s/signup?token=%s", bulkInvites.Invites[i].FrontendBaseUrl, invites[i].Token),
+		if err := m.emailing.SendHTML(ctx, invites[i].Email.String(), "You're Invited to Join SigNoz", emailtypes.TemplateNameInvitationEmail, map[string]any{
+			"inviter_email": creator.Email,
+			"link":          fmt.Sprintf("%s/signup?token=%s", bulkInvites.Invites[i].FrontendBaseUrl, invites[i].Token),
 		}); err != nil {
 			m.settings.Logger().ErrorContext(ctx, "failed to send email", "error", err)
 		}

pkg/types/emailtypes/template.go

@@ -16,7 +16,7 @@ var (
 )
 
 var (
-	TemplateNameInvitationEmail = TemplateName{valuer.NewString("invitation_email")}
+	TemplateNameInvitationEmail = TemplateName{valuer.NewString("invite")}
 	TemplateNameUpdateRole      = TemplateName{valuer.NewString("update_role")}
 	TemplateNameResetPassword   = TemplateName{valuer.NewString("reset_password_email")}
 )

templates/email/invitation_email.gotmpl

@@ -1,14 +0,0 @@
-<!DOCTYPE html>
-<html>
-<body>
-    <p>Hi {{.CustomerName}},</p>
-    <p>You have been invited to join SigNoz project by {{.InviterName}} ({{.InviterEmail}}).</p>
-    <p>Please click on the following button to accept the invitation:</p>
-    <a href="{{.Link}}" style="background-color: #000000; color: white; padding: 14px 20px; text-align: center; text-decoration: none; display: inline-block;">Accept Invitation</a>
-    <p>Button not working? Paste the following link into your browser:</p>
-    <p>{{.Link}}</p>
-    <p>Follow docs here 👉 to <a href="https://signoz.io/docs/cloud/">Get Started with SigNoz Cloud</a></p>
-    <p>Thanks,</p>
-    <p>SigNoz Team</p>
-</body>
-</html>

templates/email/invite.gotmpl

@@ -0,0 +1,104 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <title>You're Invited to Join SigNoz</title>
+</head>
+
+<body
+  style="margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; line-height: 1.6; color: #333333; background-color: #ffffff;">
+  <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0" style="background-color: #ffffff;">
+    <tr>
+      <td align="center" style="padding: 0;">
+        <table role="presentation" width="600" cellspacing="0" cellpadding="0" border="0"
+          style="background-color: #ffffff; max-width: 600px; width: 100%;">
+          {{ if .format.header.enabled }}
+          <tr>
+            <td align="center" style="padding: 40px 20px 24px 20px;">
+              <img src="{{.format.header.logo_url}}" alt="SigNoz" width="160" height="40"
+                style="display: block; border: 0; outline: none; max-width: 100%; height: auto;">
+            </td>
+          </tr>
+          {{ end }}
+          <tr>
+            <td style="padding: 24px 20px 32px 20px;">
+              <p style="margin: 0 0 24px 0; font-size: 16px; color: #1a1a1a;">Hi there,</p>
+              <p style="margin: 0 0 24px 0; font-size: 16px; color: #333333; line-height: 1.6;">
+                You've been invited by <strong>{{.inviter_email}}</strong> to join their SigNoz organization.
+              </p>
+              <p style="margin: 0 0 16px 0; font-size: 16px; color: #333333; line-height: 1.6;">
+                A new account has been created for you with the following details:
+              </p>
+              <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0"
+                style="margin: 0 0 24px 0;">
+                <tr>
+                  <td
+                    style="padding: 20px; background-color: #f5f5f5; border-radius: 6px; border-left: 4px solid #4E74F8;">
+                    <p style="margin: 0; font-size: 15px; color: #333333; line-height: 1.6;">
+                      <strong>Email:</strong> {{.to}}
+                    </p>
+                  </td>
+                </tr>
+              </table>
+              <p style="margin: 0 0 24px 0; font-size: 16px; color: #333333; line-height: 1.6;">
+                Accept the invitation to get started.
+              </p>
+              <table role="presentation" width="100%" cellspacing="0" cellpadding="0" border="0"
+                style="margin: 0 0 16px 0;">
+                <tr>
+                  <td align="center">
+                    <table role="presentation" cellspacing="0" cellpadding="0" border="0">
+                      <tr>
+                        <td style="border-radius: 4px; background-color: #4E74F8;">
+                          <a href="{{.link}}" target="_blank"
+                            style="display: inline-block; padding: 16px 48px; font-size: 16px; font-weight: 600; color: #ffffff; text-decoration: none; border-radius: 4px;">Accept
+                            Invitation</a>
+                        </td>
+                      </tr>
+                    </table>
+                  </td>
+                </tr>
+              </table>
+              <p style="margin: 0 0 4px 0; font-size: 13px; color: #666666; text-align: center;">Button not working?
+                Copy and paste this link into your browser:</p>
+              <p
+                style="margin: 0 0 32px 0; font-size: 13px; color: #4E74F8; word-break: break-all; text-align: center;">
+                <a href="{{.link}}" style="color: #4E74F8; text-decoration: none;">{{.link}}</a>
+              </p>
+              {{ if .format.help.enabled }}
+              <p style="margin: 0 0 32px 0; font-size: 16px; color: #333333; line-height: 1.6;">
+                Need help? Chat with our team in the SigNoz application or email us at <a
+                  href="mailto:{{.format.help.email}}"
+                  style="color: #4E74F8; text-decoration: none;">{{.format.help.email}}</a>.
+              </p>
+              {{ end }}
+              <p style="margin: 0; font-size: 16px; color: #333333; line-height: 1.6;">
+                Thanks,<br>
+                <strong>The SigNoz Team</strong>
+              </p>
+            </td>
+          </tr>
+          {{ if .format.footer.enabled }}
+          <tr>
+            <td align="center" style="padding: 32px 20px 40px 20px;">
+              <p style="margin: 0 0 8px 0; font-size: 12px; color: #999999; line-height: 1.5;">
+                <a href="https://signoz.io/terms-of-service/" style="color: #4E74F8; text-decoration: none;">Terms of
+                  Service</a> -
+                <a href="https://signoz.io/privacy/" style="color: #4E74F8; text-decoration: none;">Privacy Policy</a>
+              </p>
+              <p style="margin: 0; font-size: 12px; color: #999999; line-height: 1.5;">
+                ©2026 SigNoz Inc.
+              </p>
+            </td>
+          </tr>
+          {{ end }}
+        </table>
+      </td>
+    </tr>
+  </table>
+</body>
+
+</html>