Function summarizeInsightFilters

frontend/src/scenes/insights/utils.tsx:213–328

(
    filters: AnyPartialFilterType,
    aggregationLabel: groupsModelType['values']['aggregationLabel'],
    cohortsById: cohortsModelType['values']['cohortsById'],
    mathDefinitions: mathsLogicType['values']['mathDefinitions']
)

}

export function summarizeInsightFilters(
    filters: AnyPartialFilterType,
    aggregationLabel: groupsModelType['values']['aggregationLabel'],
    cohortsById: cohortsModelType['values']['cohortsById'],
    mathDefinitions: mathsLogicType['values']['mathDefinitions']
): string {
    const localFilters = toLocalFilters(filters)

    if (isRetentionFilter(filters)) {
        const areTargetAndReturningIdentical =
            filters.returning_entity?.id === filters.target_entity?.id &&
            filters.returning_entity?.type === filters.target_entity?.type
        return (
            `Retention of ${aggregationLabel(filters.aggregation_group_type_index, true).plural}` +
            ` based on doing ${getDisplayNameFromEntityFilter((filters.target_entity || {}) as EntityFilter)}` +
            ` ${retentionOptions[filters.retention_type || RETENTION_FIRST_TIME]} and returning with ` +
            (areTargetAndReturningIdentical
                ? 'the same event'
                : getDisplayNameFromEntityFilter((filters.returning_entity || {}) as EntityFilter))
        )
    } else if (isPathsFilter(filters)) {
        // Sync format with PathsSummary in InsightDetails
        let summary = `User paths based on ${humanizePathsEventTypes(filters).join(' and ')}`
        if (filters.start_point) {
            summary += ` starting at ${filters.start_point}`
        }
        if (filters.end_point) {
            summary += `${filters.start_point ? ' and' : ''} ending at ${filters.end_point}`
        }
        return summary
    } else if (isLifecycleFilter(filters)) {
        return `User lifecycle based on ${getDisplayNameFromEntityFilter(localFilters[0])}`
    } else if (isFunnelsFilter(filters)) {
        let summary = ''
        const linkSymbol =
            filters.funnel_order_type === StepOrderValue.STRICT
                ? '⇉'
                : filters.funnel_order_type === StepOrderValue.UNORDERED
                ? '&'
                : '→'
        summary = `${localFilters.map((filter) => getDisplayNameFromEntityFilter(filter)).join(` ${linkSymbol} `)} ${
            aggregationLabel(filters.aggregation_group_type_index, true).singular
        } conversion`
        if (filters.funnel_viz_type === FunnelVizType.TimeToConvert) {
            summary += ' time'
        } else if (filters.funnel_viz_type === FunnelVizType.Trends) {
            summary += ' trend'
        } else {
            // Steps are the default viz type
            summary += ' rate'
        }
        if (filters.breakdown_type) {
            summary += ` by ${summarizeBreakdown(filters, aggregationLabel, cohortsById)}`
        }
        return summary
    } else if (isStickinessFilter(filters)) {
        return capitalizeFirstLetter(
            localFilters