chore(repo): checkpoint current capakraken implementation state

This commit is contained in:
2026-03-29 12:47:12 +02:00
parent beae1a5d6e
commit 47e4d701ff
94 changed files with 4283 additions and 1710 deletions
@@ -0,0 +1,508 @@
import { VacationStatus } from "@capakraken/db";
import { getPublicHolidays, type WeekdayAvailability } from "@capakraken/shared";
const MILLISECONDS_PER_DAY = 86_400_000;
type CalendarScope = "COUNTRY" | "STATE" | "CITY";
type HolidayCalendarEntryRecord = {
date: Date;
isRecurringAnnual: boolean;
};
type HolidayCalendarRecord = {
entries: HolidayCalendarEntryRecord[];
};
type VacationRecord = {
resourceId: string;
startDate: Date;
endDate: Date;
type: string;
isHalfDay: boolean;
};
export type ResourceCapacityProfile = {
id: string;
availability: WeekdayAvailability;
countryId: string | null | undefined;
countryCode: string | null | undefined;
federalState: string | null | undefined;
metroCityId: string | null | undefined;
metroCityName: string | null | undefined;
};
export type ResourceDailyAvailabilityContext = {
absenceFractionsByDate: Map<string, number>;
holidayDates: Set<string>;
vacationFractionsByDate: Map<string, number>;
};
type ResourceCapacityDbClient = {
holidayCalendar?: {
findMany: (args: {
where: Record<string, unknown>;
include: { entries: true };
orderBy: Array<Record<string, "asc" | "desc">>;
}) => Promise<unknown[]>;
};
vacation?: {
findMany: (args: {
where: Record<string, unknown>;
select: Record<string, boolean | Record<string, boolean>>;
}) => Promise<unknown[]>;
};
};
const DAY_KEYS: (keyof WeekdayAvailability)[] = [
"sunday",
"monday",
"tuesday",
"wednesday",
"thursday",
"friday",
"saturday",
];
const CITY_HOLIDAY_RULES: Array<{
countryCode: string;
cityName: string;
resolveDates: (year: number) => string[];
}> = [
{
countryCode: "DE",
cityName: "Augsburg",
resolveDates: (year) => [`${year}-08-08`],
},
];
function toIsoDate(value: Date): string {
return value.toISOString().slice(0, 10);
}
function normalizeCityName(cityName?: string | null): string | null {
const normalized = cityName?.trim().toLowerCase();
return normalized && normalized.length > 0 ? normalized : null;
}
function normalizeStateCode(stateCode?: string | null): string | null {
const normalized = stateCode?.trim().toUpperCase();
return normalized && normalized.length > 0 ? normalized : null;
}
export function getAvailabilityHoursForDate(
availability: WeekdayAvailability,
date: Date,
): number {
const key = DAY_KEYS[date.getUTCDay()];
return key ? (availability[key] ?? 0) : 0;
}
function listBuiltinHolidayDates(input: {
periodStart: Date;
periodEnd: Date;
countryCode: string | null | undefined;
federalState: string | null | undefined;
metroCityName: string | null | undefined;
}): Set<string> {
const dates = new Set<string>();
const startIso = toIsoDate(input.periodStart);
const endIso = toIsoDate(input.periodEnd);
const startYear = input.periodStart.getUTCFullYear();
const endYear = input.periodEnd.getUTCFullYear();
if (input.countryCode === "DE") {
for (let year = startYear; year <= endYear; year += 1) {
for (const holiday of getPublicHolidays(year, input.federalState ?? undefined)) {
if (holiday.date >= startIso && holiday.date <= endIso) {
dates.add(holiday.date);
}
}
}
}
const normalizedCityName = normalizeCityName(input.metroCityName);
if (input.countryCode && normalizedCityName) {
for (const rule of CITY_HOLIDAY_RULES) {
if (
rule.countryCode === input.countryCode
&& normalizeCityName(rule.cityName) === normalizedCityName
) {
for (let year = startYear; year <= endYear; year += 1) {
for (const date of rule.resolveDates(year)) {
if (date >= startIso && date <= endIso) {
dates.add(date);
}
}
}
}
}
}
return dates;
}
function resolveCalendarEntryDates(
calendars: HolidayCalendarRecord[],
periodStart: Date,
periodEnd: Date,
): Set<string> {
const dates = new Set<string>();
const startIso = toIsoDate(periodStart);
const endIso = toIsoDate(periodEnd);
const startYear = periodStart.getUTCFullYear();
const endYear = periodEnd.getUTCFullYear();
for (const calendar of calendars) {
for (const entry of calendar.entries) {
const baseDate = new Date(entry.date);
for (let year = startYear; year <= endYear; year += 1) {
const effectiveDate = entry.isRecurringAnnual
? new Date(Date.UTC(year, baseDate.getUTCMonth(), baseDate.getUTCDate()))
: baseDate;
const isoDate = toIsoDate(effectiveDate);
if (isoDate >= startIso && isoDate <= endIso) {
dates.add(isoDate);
}
if (!entry.isRecurringAnnual) {
break;
}
}
}
}
return dates;
}
async function loadCustomHolidayDates(
db: ResourceCapacityDbClient,
input: {
periodStart: Date;
periodEnd: Date;
countryId: string | null | undefined;
federalState: string | null | undefined;
metroCityId: string | null | undefined;
},
): Promise<Set<string>> {
if (!input.countryId || typeof db.holidayCalendar?.findMany !== "function") {
return new Set();
}
const stateCode = normalizeStateCode(input.federalState);
const metroCityId = input.metroCityId?.trim() || null;
const calendars = await db.holidayCalendar.findMany({
where: {
isActive: true,
countryId: input.countryId,
OR: [
{ scopeType: "COUNTRY" as CalendarScope },
...(stateCode ? [{ scopeType: "STATE" as CalendarScope, stateCode }] : []),
...(metroCityId ? [{ scopeType: "CITY" as CalendarScope, metroCityId }] : []),
],
},
include: { entries: true },
orderBy: [{ priority: "asc" }, { createdAt: "asc" }],
});
return resolveCalendarEntryDates(
calendars as HolidayCalendarRecord[],
input.periodStart,
input.periodEnd,
);
}
function buildProfileKey(profile: ResourceCapacityProfile): string {
return JSON.stringify({
countryId: profile.countryId ?? null,
countryCode: profile.countryCode ?? null,
federalState: profile.federalState ?? null,
metroCityId: profile.metroCityId ?? null,
metroCityName: profile.metroCityName ?? null,
});
}
export async function loadResourceDailyAvailabilityContexts(
db: ResourceCapacityDbClient,
resources: ResourceCapacityProfile[],
periodStart: Date,
periodEnd: Date,
): Promise<Map<string, ResourceDailyAvailabilityContext>> {
const profileHolidayCache = new Map<string, Promise<Set<string>>>();
const resourceIds = resources.map((resource) => resource.id);
const vacations = resourceIds.length > 0 && typeof db.vacation?.findMany === "function"
? await db.vacation.findMany({
where: {
resourceId: { in: resourceIds },
status: VacationStatus.APPROVED,
startDate: { lte: periodEnd },
endDate: { gte: periodStart },
},
select: {
resourceId: true,
startDate: true,
endDate: true,
type: true,
isHalfDay: true,
},
})
: [];
const vacationsByResourceId = new Map<string, VacationRecord[]>();
for (const vacation of vacations as VacationRecord[]) {
const items = vacationsByResourceId.get(vacation.resourceId) ?? [];
items.push(vacation);
vacationsByResourceId.set(vacation.resourceId, items);
}
const contexts = new Map<string, ResourceDailyAvailabilityContext>();
for (const resource of resources) {
const profileKey = buildProfileKey(resource);
const holidayPromise = profileHolidayCache.get(profileKey)
?? (async () => {
const builtin = listBuiltinHolidayDates({
periodStart,
periodEnd,
countryCode: resource.countryCode,
federalState: resource.federalState,
metroCityName: resource.metroCityName,
});
const custom = await loadCustomHolidayDates(db, {
periodStart,
periodEnd,
countryId: resource.countryId,
federalState: resource.federalState,
metroCityId: resource.metroCityId,
});
return new Set([...builtin, ...custom]);
})();
if (!profileHolidayCache.has(profileKey)) {
profileHolidayCache.set(profileKey, holidayPromise);
}
const holidayDates = new Set(await holidayPromise);
const absenceFractionsByDate = new Map<string, number>();
const vacationFractionsByDate = new Map<string, number>();
const resourceVacations = vacationsByResourceId.get(resource.id) ?? [];
for (const vacation of resourceVacations) {
const overlapStart = new Date(Math.max(vacation.startDate.getTime(), periodStart.getTime()));
const overlapEnd = new Date(Math.min(vacation.endDate.getTime(), periodEnd.getTime()));
if (overlapStart > overlapEnd) {
continue;
}
const cursor = new Date(overlapStart);
cursor.setUTCHours(0, 0, 0, 0);
const end = new Date(overlapEnd);
end.setUTCHours(0, 0, 0, 0);
while (cursor <= end) {
const isoDate = toIsoDate(cursor);
const fraction = vacation.isHalfDay ? 0.5 : 1;
if (vacation.type === "PUBLIC_HOLIDAY") {
holidayDates.add(isoDate);
}
if (vacation.type !== "PUBLIC_HOLIDAY") {
const existingVacation = vacationFractionsByDate.get(isoDate) ?? 0;
vacationFractionsByDate.set(isoDate, Math.max(existingVacation, fraction));
}
const existing = absenceFractionsByDate.get(isoDate) ?? 0;
if (vacation.type === "PUBLIC_HOLIDAY" || !holidayDates.has(isoDate)) {
absenceFractionsByDate.set(isoDate, Math.max(existing, fraction));
}
cursor.setUTCDate(cursor.getUTCDate() + 1);
}
}
for (const isoDate of holidayDates) {
const existing = absenceFractionsByDate.get(isoDate) ?? 0;
absenceFractionsByDate.set(isoDate, Math.max(existing, 1));
}
contexts.set(resource.id, {
absenceFractionsByDate,
holidayDates,
vacationFractionsByDate,
});
}
return contexts;
}
function calculateDayAvailabilityFraction(
context: ResourceDailyAvailabilityContext | undefined,
isoDate: string,
): number {
const fraction = context?.absenceFractionsByDate.get(isoDate) ?? 0;
return Math.max(0, 1 - fraction);
}
export function calculateEffectiveDayAvailability(input: {
availability: WeekdayAvailability;
date: Date;
context: ResourceDailyAvailabilityContext | undefined;
}): number {
const baseHours = getAvailabilityHoursForDate(input.availability, input.date);
if (baseHours <= 0) {
return 0;
}
return baseHours * calculateDayAvailabilityFraction(input.context, toIsoDate(input.date));
}
export function calculateEffectiveAvailableHours(input: {
availability: WeekdayAvailability;
periodStart: Date;
periodEnd: Date;
context: ResourceDailyAvailabilityContext | undefined;
}): number {
let hours = 0;
const cursor = new Date(input.periodStart);
cursor.setUTCHours(0, 0, 0, 0);
const end = new Date(input.periodEnd);
end.setUTCHours(0, 0, 0, 0);
while (cursor <= end) {
hours += calculateEffectiveDayAvailability({
availability: input.availability,
date: cursor,
context: input.context,
});
cursor.setUTCDate(cursor.getUTCDate() + 1);
}
return hours;
}
export function countEffectiveWorkingDays(input: {
availability: WeekdayAvailability;
periodStart: Date;
periodEnd: Date;
context: ResourceDailyAvailabilityContext | undefined;
}): number {
let days = 0;
const cursor = new Date(input.periodStart);
cursor.setUTCHours(0, 0, 0, 0);
const end = new Date(input.periodEnd);
end.setUTCHours(0, 0, 0, 0);
while (cursor <= end) {
if (calculateEffectiveDayAvailability({
availability: input.availability,
date: cursor,
context: input.context,
}) > 0) {
days += 1;
}
cursor.setUTCDate(cursor.getUTCDate() + 1);
}
return days;
}
export function calculateEffectiveBookedHours(input: {
availability: WeekdayAvailability;
startDate: Date;
endDate: Date;
hoursPerDay: number;
periodStart: Date;
periodEnd: Date;
context: ResourceDailyAvailabilityContext | undefined;
}): number {
const overlapStart = new Date(Math.max(input.startDate.getTime(), input.periodStart.getTime()));
const overlapEnd = new Date(Math.min(input.endDate.getTime(), input.periodEnd.getTime()));
if (overlapStart > overlapEnd) {
return 0;
}
let hours = 0;
const cursor = new Date(overlapStart);
cursor.setUTCHours(0, 0, 0, 0);
const end = new Date(overlapEnd);
end.setUTCHours(0, 0, 0, 0);
while (cursor <= end) {
const dayBaseHours = getAvailabilityHoursForDate(input.availability, cursor);
if (dayBaseHours > 0) {
hours += input.hoursPerDay * calculateDayAvailabilityFraction(input.context, toIsoDate(cursor));
}
cursor.setUTCDate(cursor.getUTCDate() + 1);
}
return hours;
}
export function calculateEffectiveAllocationHours(input: {
availability: WeekdayAvailability;
startDate: Date;
endDate: Date;
hoursPerDay: number;
periodStart: Date;
periodEnd: Date;
context: ResourceDailyAvailabilityContext | undefined;
}): number {
return calculateEffectiveBookedHours(input);
}
export function calculateEffectiveAllocationCostCents(input: {
availability: WeekdayAvailability;
startDate: Date;
endDate: Date;
dailyCostCents: number;
periodStart: Date;
periodEnd: Date;
context: ResourceDailyAvailabilityContext | undefined;
}): number {
let costCents = 0;
const overlapStart = new Date(
Math.max(input.startDate.getTime(), input.periodStart.getTime()),
);
const overlapEnd = new Date(
Math.min(input.endDate.getTime(), input.periodEnd.getTime()),
);
if (overlapStart > overlapEnd) {
return 0;
}
const cursor = new Date(overlapStart);
cursor.setUTCHours(0, 0, 0, 0);
const end = new Date(overlapEnd);
end.setUTCHours(0, 0, 0, 0);
while (cursor <= end) {
const baseHours = getAvailabilityHoursForDate(input.availability, cursor);
if (baseHours > 0) {
costCents += input.dailyCostCents * calculateDayAvailabilityFraction(input.context, toIsoDate(cursor));
}
cursor.setUTCDate(cursor.getUTCDate() + 1);
}
return Math.round(costCents);
}
export function enumerateIsoDates(
periodStart: Date,
periodEnd: Date,
): string[] {
const dates: string[] = [];
const cursor = new Date(periodStart);
cursor.setUTCHours(0, 0, 0, 0);
const end = new Date(periodEnd);
end.setUTCHours(0, 0, 0, 0);
while (cursor <= end) {
dates.push(toIsoDate(cursor));
cursor.setTime(cursor.getTime() + MILLISECONDS_PER_DAY);
}
return dates;
}