43 lines
1.2 KiB
TypeScript
43 lines
1.2 KiB
TypeScript
export interface WorkEffortItem {
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estimateHours: number;
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actualHours: number;
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progress: number;
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}
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export interface WorkEffortSummary {
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estimateHours: number;
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actualHours: number;
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progress: number;
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}
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export function roundHalfHour(hours: number): number {
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if (!Number.isFinite(hours) || hours <= 0) return 0;
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return Math.round(hours * 2) / 2;
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}
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export function aggregateWorkEffort(items: WorkEffortItem[]): WorkEffortSummary {
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if (items.length === 0) return { estimateHours: 0, actualHours: 0, progress: 0 };
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const estimateHours = roundHalfHour(items.reduce((sum, item) => sum + Math.max(0, item.estimateHours || 0), 0));
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const actualHours = roundHalfHour(items.reduce((sum, item) => sum + Math.max(0, item.actualHours || 0), 0));
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if (estimateHours <= 0) {
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return {
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estimateHours,
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actualHours,
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progress: Math.round(items.reduce((sum, item) => sum + item.progress, 0) / items.length),
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};
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}
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const weightedProgress = items.reduce((sum, item) => {
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const estimate = Math.max(0, item.estimateHours || 0);
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return sum + estimate * item.progress;
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}, 0);
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return {
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estimateHours,
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actualHours,
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progress: Math.round(weightedProgress / estimateHours),
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};
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}
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