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import {
parseWarningRef,
uniqueWarnings,
visibleResultWarnings,
} from "../model/resultWarnings";
import type {
ChartAssumption,
ChartDatum,
ChartRenderingMetadata,
ChartSeries,
ParsedChartDataset,
SourceRow,
WarningRef,
} from "../model/types";
import {
arrayValue,
isPresent,
numericField,
objectValue,
scalarValue,
stringField,
} from "../model/valueParsing";
import {
CHART_CASH_FLOW_NPV,
CHART_MANUAL_BASELINE_COMPARISON,
COMPARISON_CHART_EXCLUDED_CATEGORIES,
} from "./constants";
export function parseChartDataset(
dataset: EconomicsChartDatasetRead,
): ParsedChartDataset | null {
const chartData = objectValue(dataset.chart_data);
const seriesValue = chartData ? arrayValue(chartData.series) : [];
const series = seriesValue.map(parseSeries).filter(isPresent);
Iif (series.length === 0) return null;
const renderingMetadata = objectValue(dataset.rendering_metadata);
const metadataWarnings = renderingMetadata
? arrayValue(renderingMetadata.warning_refs)
.map((warning) => parseWarningRef(warning))
.filter(isPresent)
: [];
const parsedRenderingMetadata = parseRenderingMetadata(
dataset.chart_key,
renderingMetadata,
metadataWarnings,
);
const pointWarnings = series.flatMap((item) =>
item.points.flatMap((point) => point.warning_refs),
);
return {
id: dataset.id,
chart_key: dataset.chart_key,
title: stringField(dataset.title),
chart_type: dataset.chart_type,
series,
rendering_metadata: parsedRenderingMetadata,
warning_refs: uniqueWarnings([...metadataWarnings, ...pointWarnings]),
};
}
function parseSeries(value: unknown): ChartSeries | null {
const source = objectValue(value);
Iif (!source) return null;
return {
key: stringField(source.key),
label: stringField(source.label),
unit: stringField(source.unit),
points: arrayValue(source.points).map(parseDatum).filter(isPresent),
};
}
function parseDatum(value: unknown): ChartDatum | null {
const source = objectValue(value);
Iif (!source) return null;
const sourceRow = parseSourceRow(source.source_row);
return {
key: stringField(source.key),
label: stringField(source.label),
value: numericField(source.value),
unit: stringField(source.unit),
source_row: sourceRow,
assumptions: arrayValue(source.assumptions)
.map(parseAssumption)
.filter(isPresent),
warning_refs: arrayValue(source.warning_refs)
.map(parseWarningRef)
.filter(isPresent),
metadata: objectValue(source.metadata) ?? {},
};
}
function parseRenderingMetadata(
chartKey: string,
metadata: Record<string, unknown> | null,
warningRefs: WarningRef[],
): ChartRenderingMetadata {
const chartFamily = stringField(metadata?.chart_family || chartKey);
if (chartKey === CHART_CASH_FLOW_NPV || chartFamily === "cash_flow_npv") {
return {
chart_family: "cash_flow_npv",
payback_years: numericField(metadata?.payback_years),
npv: numericField(metadata?.npv),
zero_reference: numericField(metadata?.zero_reference),
warning_refs: warningRefs,
};
}
return {
chart_family: chartFamily,
warning_refs: warningRefs,
};
}
function parseAssumption(value: unknown): ChartAssumption | null {
const source = objectValue(value);
Iif (!source) return null;
return {
key: stringField(source.key),
value: scalarValue(source.value),
};
}
function parseSourceRow(value: unknown): SourceRow | null {
const source = objectValue(value);
const id = numericField(source?.id);
Iif (!source || id == null) return null;
return {
id,
row_key: stringField(source.row_key),
label: stringField(source.label),
};
}
export function comparisonRows(dataset: ParsedChartDataset) {
const byCategory = new Map<
string,
{
category: string;
categoryLabel: string;
target?: number | null;
baseline?: number | null;
result?: number | null;
sourceRows: Record<
string,
{
sourceRowId?: number;
sourceRowKey?: string;
unit: string;
assumptions: ChartAssumption[];
warningRefs: WarningRef[];
}
>;
}
>();
for (const point of dataset.series[0]?.points ?? []) {
const category = stringField(point.metadata.category || point.key);
Iif (COMPARISON_CHART_EXCLUDED_CATEGORIES.has(category)) continue;
const seriesKey = stringField(point.metadata.series_key || "result");
const row = byCategory.get(category) ?? {
category,
categoryLabel: comparisonCategoryLabel(category),
sourceRows: {},
};
row[seriesKey as "target" | "baseline" | "result"] = point.value;
row.sourceRows[seriesKey] = {
sourceRowId: point.source_row?.id,
sourceRowKey: point.source_row?.row_key,
unit: point.unit,
assumptions: point.assumptions,
warningRefs: point.warning_refs,
};
byCategory.set(category, row);
}
return Array.from(byCategory.values());
}
export function visibleChartWarnings(dataset: ParsedChartDataset) {
if (dataset.chart_key !== CHART_MANUAL_BASELINE_COMPARISON) {
return visibleResultWarnings(dataset.warning_refs);
}
const visibleSourceRows = new Set(
chartSourcePoints(dataset)
.map((point) => point.source_row?.row_key)
.filter(isPresent),
);
const visiblePointWarnings = chartSourcePoints(dataset).flatMap(
(point) => point.warning_refs,
);
return visibleResultWarnings(
uniqueWarnings(
[...dataset.warning_refs, ...visiblePointWarnings].filter(
(warning) =>
!warning.source_row_key ||
visibleSourceRows.has(warning.source_row_key),
),
),
);
}
export function chartSourcePoints(dataset: ParsedChartDataset) {
return dataset.series.flatMap((series) =>
series.points.filter((point) => {
if (dataset.chart_key !== CHART_MANUAL_BASELINE_COMPARISON) return true;
const category = stringField(point.metadata.category || point.key);
return !COMPARISON_CHART_EXCLUDED_CATEGORIES.has(category);
}),
);
}
export function comparisonCategoryLabel(category: string) {
if (category === "capex") return "Capex";
if (category === "annual_opex") return "Annual expenses";
if (category === "annual_savings") return "Annual savings";
if (category === "npv") return "NPV";
Iif (category === "lcoh") return "LCOH";
return category.replace(/_/g, " ");
}
export function chartTitle(dataset: ParsedChartDataset) {
if (dataset.chart_key === CHART_MANUAL_BASELINE_COMPARISON) {
return "Baseline Comparison";
}
return dataset.title;
}
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