Files
CapaKraken/packages/api/src/router/staffing.ts
T

1383 lines
47 KiB
TypeScript

import { rankResources } from "@capakraken/staffing";
import { listAssignmentBookings } from "@capakraken/application";
import { PermissionKey, type WeekdayAvailability } from "@capakraken/shared";
import { z } from "zod";
import { findUniqueOrThrow } from "../db/helpers.js";
import {
calculateEffectiveAvailableHours,
calculateEffectiveBookedHours,
countEffectiveWorkingDays,
loadResourceDailyAvailabilityContexts,
type ResourceDailyAvailabilityContext,
} from "../lib/resource-capacity.js";
import { fmtEur } from "../lib/format-utils.js";
import { createTRPCRouter, planningReadProcedure, requirePermission } from "../trpc.js";
const DAY_KEYS: (keyof WeekdayAvailability)[] = [
"sunday",
"monday",
"tuesday",
"wednesday",
"thursday",
"friday",
"saturday",
];
const ACTIVE_STATUSES = new Set(["PROPOSED", "CONFIRMED", "ACTIVE"]);
function toIsoDate(value: Date): string {
return value.toISOString().slice(0, 10);
}
function fmtDate(value: Date | null | undefined): string | null {
return value ? value.toISOString().slice(0, 10) : null;
}
function createUtcDate(year: number, monthIndex: number, day: number): Date {
return new Date(Date.UTC(year, monthIndex, day));
}
function normalizeUtcDate(value: Date): Date {
return createUtcDate(value.getUTCFullYear(), value.getUTCMonth(), value.getUTCDate());
}
function createDateRange(input: {
startDate?: Date | undefined;
endDate?: Date | undefined;
durationDays?: number | undefined;
}): { startDate: Date; endDate: Date } {
const startDate = input.startDate
? normalizeUtcDate(input.startDate)
: createUtcDate(new Date().getUTCFullYear(), new Date().getUTCMonth(), new Date().getUTCDate());
const endDate = input.endDate
? normalizeUtcDate(input.endDate)
: createUtcDate(
startDate.getUTCFullYear(),
startDate.getUTCMonth(),
startDate.getUTCDate() + Math.max((input.durationDays ?? 21) - 1, 0),
);
if (endDate < startDate) {
throw new Error("endDate must be on or after startDate.");
}
return { startDate, endDate };
}
function round1(value: number): number {
return Math.round(value * 10) / 10;
}
function getBaseDayAvailability(
availability: WeekdayAvailability,
date: Date,
): number {
const key = DAY_KEYS[date.getUTCDay()];
return key ? (availability[key] ?? 0) : 0;
}
function getEffectiveDayAvailability(
availability: WeekdayAvailability,
date: Date,
context: ResourceDailyAvailabilityContext | undefined,
): number {
const key = DAY_KEYS[date.getUTCDay()];
const baseHours = key ? (availability[key] ?? 0) : 0;
if (baseHours <= 0) {
return 0;
}
const fraction = context?.absenceFractionsByDate.get(toIsoDate(date)) ?? 0;
return Math.max(0, baseHours * (1 - fraction));
}
function overlapsDateRange(startDate: Date, endDate: Date, date: Date): boolean {
return date >= startDate && date <= endDate;
}
function averagePerWorkingDay(totalHours: number, workingDays: number): number {
if (workingDays <= 0) {
return 0;
}
return round1(totalHours / workingDays);
}
function createLocationLabel(input: {
countryCode?: string | null;
federalState?: string | null;
metroCityName?: string | null;
}): string {
return [
input.countryCode ?? null,
input.federalState ?? null,
input.metroCityName ?? null,
].filter((value): value is string => Boolean(value && value.trim().length > 0)).join(" / ");
}
function calculateAllocatedHoursForDay(input: {
bookings: Array<{ startDate: Date; endDate: Date; hoursPerDay: number; status: string; isChargeable?: boolean }>;
date: Date;
context: ResourceDailyAvailabilityContext | undefined;
}): { allocatedHours: number; chargeableHours: number } {
const isoDate = toIsoDate(input.date);
const dayFraction = Math.max(0, 1 - (input.context?.absenceFractionsByDate.get(isoDate) ?? 0));
return input.bookings.reduce(
(acc, booking) => {
if (!ACTIVE_STATUSES.has(booking.status) || !overlapsDateRange(booking.startDate, booking.endDate, input.date)) {
return acc;
}
const effectiveHours = booking.hoursPerDay * dayFraction;
acc.allocatedHours += effectiveHours;
if (booking.isChargeable) {
acc.chargeableHours += effectiveHours;
}
return acc;
},
{ allocatedHours: 0, chargeableHours: 0 },
);
}
type StaffingSuggestionInput = {
requiredSkills: string[];
preferredSkills?: string[] | undefined;
startDate: Date;
endDate: Date;
hoursPerDay: number;
budgetLcrCentsPerHour?: number | undefined;
chapter?: string | undefined;
skillCategory?: string | undefined;
mainSkillsOnly?: boolean | undefined;
minProficiency?: number | undefined;
};
type StaffingSuggestionsDbClient =
Parameters<typeof listAssignmentBookings>[0]
& Parameters<typeof loadResourceDailyAvailabilityContexts>[0]
& {
resource: {
findMany: (args: Record<string, unknown>) => Promise<unknown[]>;
};
};
type StaffingResourceRecord = {
id: string;
displayName: string;
eid: string;
fte: number | null;
chapter: string | null;
skills: unknown;
lcrCents: number | null;
chargeabilityTarget: number | null;
availability: unknown;
valueScore: number | null;
countryId: string | null;
federalState: string | null;
metroCityId: string | null;
country: { code: string; name: string } | null;
metroCity: { name: string } | null;
areaRole: { name: string } | null;
};
type BestProjectResourceRankingMode =
| "lowest_lcr"
| "highest_remaining_hours_per_day"
| "highest_remaining_hours";
type BestProjectResourceInput = {
projectId: string;
startDate: Date;
endDate: Date;
minHoursPerDay: number;
rankingMode: BestProjectResourceRankingMode;
chapter?: string | undefined;
roleName?: string | undefined;
};
type BestProjectResourceDbClient =
Parameters<typeof loadResourceDailyAvailabilityContexts>[0]
& {
assignment: {
findMany: (args: Record<string, unknown>) => Promise<unknown[]>;
};
};
type BestProjectResourceDetailDbClient = BestProjectResourceDbClient & {
project: {
findUnique: (args: Record<string, unknown>) => Promise<unknown>;
};
};
type BestProjectResourceAssignmentRecord = {
resourceId: string;
hoursPerDay: number;
startDate: Date;
endDate: Date;
status: string;
resource: {
id: string;
eid: string;
displayName: string;
chapter: string | null;
lcrCents: number | null;
availability: unknown;
countryId: string | null;
federalState: string | null;
metroCityId: string | null;
country: { code: string; name: string } | null;
metroCity: { name: string } | null;
areaRole: { name: string } | null;
};
};
type BestProjectResourceOverlapAssignmentRecord = {
resourceId: string;
projectId: string;
hoursPerDay: number;
startDate: Date;
endDate: Date;
status: string;
project: { name: string; shortCode: string | null } | null;
};
async function queryStaffingSuggestions(
db: StaffingSuggestionsDbClient,
input: StaffingSuggestionInput,
) {
const {
requiredSkills,
preferredSkills,
startDate,
endDate,
hoursPerDay,
budgetLcrCentsPerHour,
chapter,
skillCategory,
mainSkillsOnly,
minProficiency,
} = input;
const resources = await db.resource.findMany({
where: {
isActive: true,
...(chapter ? { chapter } : {}),
},
select: {
id: true,
displayName: true,
eid: true,
fte: true,
chapter: true,
skills: true,
lcrCents: true,
chargeabilityTarget: true,
availability: true,
valueScore: true,
countryId: true,
federalState: true,
metroCityId: true,
country: { select: { code: true, name: true } },
metroCity: { select: { name: true } },
areaRole: { select: { name: true } },
},
}) as StaffingResourceRecord[];
const bookings = await listAssignmentBookings(db, {
startDate,
endDate,
resourceIds: resources.map((resource) => resource.id),
});
const contexts = await loadResourceDailyAvailabilityContexts(
db,
resources.map((resource) => ({
id: resource.id,
availability: resource.availability as unknown as WeekdayAvailability,
countryId: resource.countryId,
countryCode: resource.country?.code,
federalState: resource.federalState,
metroCityId: resource.metroCityId,
metroCityName: resource.metroCity?.name,
})),
startDate,
endDate,
);
const bookingsByResourceId = new Map<string, typeof bookings>();
for (const booking of bookings) {
if (!booking.resourceId) {
continue;
}
const items = bookingsByResourceId.get(booking.resourceId) ?? [];
items.push(booking);
bookingsByResourceId.set(booking.resourceId, items);
}
const enrichedResources = resources.map((resource) => {
const availability = resource.availability as unknown as WeekdayAvailability;
const context = contexts.get(resource.id);
const resourceBookings = bookingsByResourceId.get(resource.id) ?? [];
const activeBookings = resourceBookings.filter((booking) => ACTIVE_STATUSES.has(booking.status));
const baseAvailableHours = calculateEffectiveAvailableHours({
availability,
periodStart: startDate,
periodEnd: endDate,
context: undefined,
});
const totalAvailableHours = calculateEffectiveAvailableHours({
availability,
periodStart: startDate,
periodEnd: endDate,
context,
});
const baseWorkingDays = countEffectiveWorkingDays({
availability,
periodStart: startDate,
periodEnd: endDate,
context: undefined,
});
const effectiveWorkingDays = countEffectiveWorkingDays({
availability,
periodStart: startDate,
periodEnd: endDate,
context,
});
const allocatedHours = activeBookings.reduce(
(sum, booking) =>
sum + calculateEffectiveBookedHours({
availability,
startDate: booking.startDate,
endDate: booking.endDate,
hoursPerDay: booking.hoursPerDay,
periodStart: startDate,
periodEnd: endDate,
context,
}),
0,
);
const holidayDates = [...(context?.holidayDates ?? new Set<string>())].sort();
const holidayWorkdayCount = holidayDates.reduce((count, isoDate) => (
count + (getBaseDayAvailability(availability, new Date(`${isoDate}T00:00:00.000Z`)) > 0 ? 1 : 0)
), 0);
const holidayHoursDeduction = holidayDates.reduce((sum, isoDate) => (
sum + getBaseDayAvailability(availability, new Date(`${isoDate}T00:00:00.000Z`))
), 0);
let absenceDayEquivalent = 0;
let absenceHoursDeduction = 0;
for (const [isoDate, fraction] of context?.vacationFractionsByDate ?? []) {
const dayHours = getBaseDayAvailability(availability, new Date(`${isoDate}T00:00:00.000Z`));
if (dayHours <= 0 || context?.holidayDates.has(isoDate)) {
continue;
}
absenceDayEquivalent += fraction;
absenceHoursDeduction += dayHours * fraction;
}
const conflictDays: string[] = [];
const conflictDetails: Array<{
date: string;
baseHours: number;
effectiveHours: number;
allocatedHours: number;
remainingHours: number;
requestedHours: number;
shortageHours: number;
absenceFraction: number;
isHoliday: boolean;
}> = [];
const cursor = new Date(startDate);
cursor.setUTCHours(0, 0, 0, 0);
const periodEndAtMidnight = new Date(endDate);
periodEndAtMidnight.setUTCHours(0, 0, 0, 0);
while (cursor <= periodEndAtMidnight) {
const isoDate = toIsoDate(cursor);
const baseHoursForDay = getBaseDayAvailability(availability, cursor);
const availableHoursForDay = getEffectiveDayAvailability(availability, cursor, context);
const isHoliday = context?.holidayDates.has(isoDate) ?? false;
const absenceFraction = Math.min(
1,
Math.max(0, context?.absenceFractionsByDate.get(isoDate) ?? 0),
);
if (availableHoursForDay > 0) {
const { allocatedHours: allocatedHoursForDay } = calculateAllocatedHoursForDay({
bookings: activeBookings,
date: cursor,
context,
});
if (allocatedHoursForDay + hoursPerDay > availableHoursForDay) {
const remainingHoursForDay = Math.max(0, availableHoursForDay - allocatedHoursForDay);
conflictDays.push(isoDate);
conflictDetails.push({
date: isoDate,
baseHours: round1(baseHoursForDay),
effectiveHours: round1(availableHoursForDay),
allocatedHours: round1(allocatedHoursForDay),
remainingHours: round1(remainingHoursForDay),
requestedHours: round1(hoursPerDay),
shortageHours: round1(Math.max(0, hoursPerDay - remainingHoursForDay)),
absenceFraction: round1(absenceFraction),
isHoliday,
});
}
}
cursor.setUTCDate(cursor.getUTCDate() + 1);
}
const remainingHours = Math.max(0, totalAvailableHours - allocatedHours);
const remainingHoursPerDay = averagePerWorkingDay(remainingHours, effectiveWorkingDays);
const utilizationPercent =
totalAvailableHours > 0
? Math.min(100, (allocatedHours / totalAvailableHours) * 100)
: 0;
type SkillRow = { skill: string; category?: string; proficiency: number; isMainSkill?: boolean };
let skills = resource.skills as unknown as SkillRow[];
if (mainSkillsOnly) skills = skills.filter((s) => s.isMainSkill);
if (skillCategory) skills = skills.filter((s) => s.category === skillCategory);
if (minProficiency) skills = skills.filter((s) => s.proficiency >= minProficiency);
return {
id: resource.id,
displayName: resource.displayName,
eid: resource.eid,
fte: resource.fte,
chapter: resource.chapter,
role: resource.areaRole?.name ?? null,
skills: skills as unknown as import("@capakraken/shared").SkillEntry[],
lcrCents: resource.lcrCents,
chargeabilityTarget: resource.chargeabilityTarget,
currentUtilizationPercent: utilizationPercent,
hasAvailabilityConflicts: conflictDays.length > 0,
conflictDays,
valueScore: resource.valueScore ?? 0,
transparency: {
location: {
countryCode: resource.country?.code ?? null,
countryName: resource.country?.name ?? null,
federalState: resource.federalState ?? null,
metroCityName: resource.metroCity?.name ?? null,
label: createLocationLabel({
countryCode: resource.country?.code ?? null,
federalState: resource.federalState,
metroCityName: resource.metroCity?.name ?? null,
}),
},
capacity: {
requestedHoursPerDay: round1(hoursPerDay),
requestedHoursTotal: round1(effectiveWorkingDays * hoursPerDay),
baseWorkingDays: round1(baseWorkingDays),
effectiveWorkingDays: round1(effectiveWorkingDays),
baseAvailableHours: round1(baseAvailableHours),
effectiveAvailableHours: round1(totalAvailableHours),
bookedHours: round1(allocatedHours),
remainingHours: round1(remainingHours),
remainingHoursPerDay,
holidayCount: holidayDates.length,
holidayWorkdayCount,
holidayHoursDeduction: round1(holidayHoursDeduction),
absenceDayEquivalent: round1(absenceDayEquivalent),
absenceHoursDeduction: round1(absenceHoursDeduction),
},
conflicts: {
count: conflictDays.length,
conflictDays,
details: conflictDetails,
},
},
};
});
const ranked = rankResources({
requiredSkills,
preferredSkills,
resources: enrichedResources,
budgetLcrCentsPerHour,
} as unknown as Parameters<typeof rankResources>[0]);
const baseRankIndex = new Map(ranked.map((suggestion, index) => [suggestion.resourceId, index]));
return [...ranked].sort((a, b) => {
if (Math.abs(a.score - b.score) <= 2) {
const aVal = (enrichedResources.find((resource) => resource.id === a.resourceId)?.valueScore ?? 0);
const bVal = (enrichedResources.find((resource) => resource.id === b.resourceId)?.valueScore ?? 0);
return bVal - aVal;
}
return 0;
}).map((suggestion, index) => {
const resource = enrichedResources.find((entry) => entry.id === suggestion.resourceId);
const fallbackBreakdown = "breakdown" in suggestion
? (suggestion as { breakdown?: { skillScore: number; availabilityScore: number; costScore: number; utilizationScore: number } }).breakdown
: undefined;
const scoreBreakdown = suggestion.scoreBreakdown ?? {
skillScore: fallbackBreakdown?.skillScore ?? 0,
availabilityScore: fallbackBreakdown?.availabilityScore ?? 0,
costScore: fallbackBreakdown?.costScore ?? 0,
utilizationScore: fallbackBreakdown?.utilizationScore ?? 0,
total: suggestion.score,
};
const baseRank = (baseRankIndex.get(suggestion.resourceId) ?? index) + 1;
const tieBreakerApplied = baseRank !== index + 1;
return {
...suggestion,
resourceName: suggestion.resourceName ?? resource?.displayName ?? "",
eid: suggestion.eid ?? resource?.eid ?? "",
fte: resource?.fte ?? 0,
chapter: resource?.chapter ?? null,
role: resource?.role ?? null,
scoreBreakdown,
matchedSkills: suggestion.matchedSkills ?? requiredSkills.filter((skill) =>
resource?.skills.some((entry) => entry.skill.toLowerCase() === skill.trim().toLowerCase()),
),
missingSkills: suggestion.missingSkills ?? requiredSkills.filter((skill) =>
!resource?.skills.some((entry) => entry.skill.toLowerCase() === skill.trim().toLowerCase()),
),
availabilityConflicts: suggestion.availabilityConflicts ?? resource?.conflictDays ?? [],
estimatedDailyCostCents: suggestion.estimatedDailyCostCents ?? ((resource?.lcrCents ?? 0) * 8),
currentUtilization: suggestion.currentUtilization ?? round1(resource?.currentUtilizationPercent ?? 0),
valueScore: resource?.valueScore ?? 0,
location: resource?.transparency.location ?? {
countryCode: null,
countryName: null,
federalState: null,
metroCityName: null,
label: "",
},
capacity: resource?.transparency.capacity ?? {
requestedHoursPerDay: round1(hoursPerDay),
requestedHoursTotal: 0,
baseWorkingDays: 0,
effectiveWorkingDays: 0,
baseAvailableHours: 0,
effectiveAvailableHours: 0,
bookedHours: 0,
remainingHours: 0,
remainingHoursPerDay: 0,
holidayCount: 0,
holidayWorkdayCount: 0,
holidayHoursDeduction: 0,
absenceDayEquivalent: 0,
absenceHoursDeduction: 0,
},
conflicts: resource?.transparency.conflicts ?? {
count: 0,
conflictDays: [],
details: [],
},
ranking: {
rank: index + 1,
baseRank,
tieBreakerApplied,
tieBreakerReason: tieBreakerApplied
? "Within 2 score points, higher value score moves the candidate up."
: null,
model: "Composite ranking across skill fit, availability, cost, and utilization.",
components: [
{ key: "skillScore", label: "Skills", score: scoreBreakdown.skillScore },
{ key: "availabilityScore", label: "Availability", score: scoreBreakdown.availabilityScore },
{ key: "costScore", label: "Cost", score: scoreBreakdown.costScore },
{ key: "utilizationScore", label: "Utilization", score: scoreBreakdown.utilizationScore },
],
},
remainingHoursPerDay: resource?.transparency.capacity.remainingHoursPerDay ?? 0,
remainingHours: resource?.transparency.capacity.remainingHours ?? 0,
effectiveAvailableHours: resource?.transparency.capacity.effectiveAvailableHours ?? 0,
baseAvailableHours: resource?.transparency.capacity.baseAvailableHours ?? 0,
holidayHoursDeduction: resource?.transparency.capacity.holidayHoursDeduction ?? 0,
};
});
}
async function queryBestProjectResource(
db: BestProjectResourceDbClient,
input: BestProjectResourceInput,
) {
const projectAssignmentsResult = await db.assignment.findMany({
where: {
projectId: input.projectId,
status: { not: "CANCELLED" },
startDate: { lte: input.endDate },
endDate: { gte: input.startDate },
resource: {
isActive: true,
...(input.chapter ? { chapter: { contains: input.chapter, mode: "insensitive" } } : {}),
...(input.roleName ? { areaRole: { name: { contains: input.roleName, mode: "insensitive" } } } : {}),
},
},
select: {
resourceId: true,
hoursPerDay: true,
startDate: true,
endDate: true,
status: true,
resource: {
select: {
id: true,
eid: true,
displayName: true,
chapter: true,
lcrCents: true,
availability: true,
countryId: true,
federalState: true,
metroCityId: true,
country: { select: { code: true, name: true } },
metroCity: { select: { name: true } },
areaRole: { select: { name: true } },
},
},
},
orderBy: [{ resourceId: "asc" }, { startDate: "asc" }],
});
const projectAssignments = (Array.isArray(projectAssignmentsResult)
? projectAssignmentsResult
: []) as BestProjectResourceAssignmentRecord[];
if (projectAssignments.length === 0) {
return {
period: {
startDate: toIsoDate(input.startDate),
endDate: toIsoDate(input.endDate),
minHoursPerDay: input.minHoursPerDay,
rankingMode: input.rankingMode,
},
filters: {
chapter: input.chapter ?? null,
roleName: input.roleName ?? null,
},
candidateCount: 0,
candidates: [],
bestMatch: null,
note: "No active project resources matched the requested filters in the selected period.",
};
}
const resourcesById = new Map<string, (typeof projectAssignments)[number]["resource"]>();
const assignmentsOnProjectByResourceId = new Map<string, typeof projectAssignments>();
for (const assignment of projectAssignments) {
resourcesById.set(assignment.resourceId, assignment.resource);
const items = assignmentsOnProjectByResourceId.get(assignment.resourceId) ?? [];
items.push(assignment);
assignmentsOnProjectByResourceId.set(assignment.resourceId, items);
}
const resourceIds = [...resourcesById.keys()];
const overlappingAssignmentsResult = await db.assignment.findMany({
where: {
resourceId: { in: resourceIds },
status: { not: "CANCELLED" },
startDate: { lte: input.endDate },
endDate: { gte: input.startDate },
},
select: {
resourceId: true,
projectId: true,
hoursPerDay: true,
startDate: true,
endDate: true,
status: true,
project: { select: { name: true, shortCode: true } },
},
orderBy: [{ resourceId: "asc" }, { startDate: "asc" }],
});
const overlappingAssignments = (Array.isArray(overlappingAssignmentsResult)
? overlappingAssignmentsResult
: []) as BestProjectResourceOverlapAssignmentRecord[];
const assignmentsByResourceId = new Map<string, typeof overlappingAssignments>();
for (const assignment of overlappingAssignments) {
const items = assignmentsByResourceId.get(assignment.resourceId) ?? [];
items.push(assignment);
assignmentsByResourceId.set(assignment.resourceId, items);
}
const resources = [...resourcesById.values()];
const contexts = await loadResourceDailyAvailabilityContexts(
db,
resources.map((resource) => ({
id: resource.id,
availability: resource.availability as unknown as WeekdayAvailability,
countryId: resource.countryId,
countryCode: resource.country?.code,
federalState: resource.federalState,
metroCityId: resource.metroCityId,
metroCityName: resource.metroCity?.name,
})),
input.startDate,
input.endDate,
);
const candidates = resources.map((resource) => {
const availability = resource.availability as unknown as WeekdayAvailability;
const context = contexts.get(resource.id);
const baseWorkingDays = countEffectiveWorkingDays({
availability,
periodStart: input.startDate,
periodEnd: input.endDate,
context: undefined,
});
const workingDays = countEffectiveWorkingDays({
availability,
periodStart: input.startDate,
periodEnd: input.endDate,
context,
});
const baseAvailableHours = calculateEffectiveAvailableHours({
availability,
periodStart: input.startDate,
periodEnd: input.endDate,
context: undefined,
});
const availableHours = calculateEffectiveAvailableHours({
availability,
periodStart: input.startDate,
periodEnd: input.endDate,
context,
});
const assignments = assignmentsByResourceId.get(resource.id) ?? [];
const bookedHours = assignments.reduce(
(sum, assignment) =>
sum + calculateEffectiveBookedHours({
availability,
startDate: assignment.startDate,
endDate: assignment.endDate,
hoursPerDay: assignment.hoursPerDay,
periodStart: input.startDate,
periodEnd: input.endDate,
context,
}),
0,
);
const projectHours = (assignmentsOnProjectByResourceId.get(resource.id) ?? []).reduce(
(sum, assignment) =>
sum + calculateEffectiveBookedHours({
availability,
startDate: assignment.startDate,
endDate: assignment.endDate,
hoursPerDay: assignment.hoursPerDay,
periodStart: input.startDate,
periodEnd: input.endDate,
context,
}),
0,
);
let excludedCapacityDays = 0;
for (const fraction of context?.absenceFractionsByDate.values() ?? []) {
excludedCapacityDays += fraction;
}
const holidayWorkdayCount = [...(context?.holidayDates ?? new Set<string>())].reduce((count, isoDate) => (
count + (getBaseDayAvailability(availability, new Date(`${isoDate}T00:00:00.000Z`)) > 0 ? 1 : 0)
), 0);
const holidayHoursDeduction = [...(context?.holidayDates ?? new Set<string>())].reduce((sum, isoDate) => (
sum + getBaseDayAvailability(availability, new Date(`${isoDate}T00:00:00.000Z`))
), 0);
let absenceDayEquivalent = 0;
let absenceHoursDeduction = 0;
for (const [isoDate, fraction] of context?.vacationFractionsByDate ?? []) {
const dayHours = getBaseDayAvailability(availability, new Date(`${isoDate}T00:00:00.000Z`));
if (dayHours <= 0 || context?.holidayDates.has(isoDate)) {
continue;
}
absenceDayEquivalent += fraction;
absenceHoursDeduction += dayHours * fraction;
}
const remainingHours = Math.max(0, availableHours - bookedHours);
const remainingHoursPerDay = averagePerWorkingDay(remainingHours, workingDays);
return {
id: resource.id,
eid: resource.eid,
name: resource.displayName,
role: resource.areaRole?.name ?? null,
chapter: resource.chapter ?? null,
country: resource.country?.name ?? resource.country?.code ?? null,
countryCode: resource.country?.code ?? null,
federalState: resource.federalState ?? null,
metroCity: resource.metroCity?.name ?? null,
lcrCents: resource.lcrCents ?? null,
lcr: resource.lcrCents != null ? fmtEur(resource.lcrCents) : null,
baseWorkingDays: round1(baseWorkingDays),
workingDays,
excludedCapacityDays: round1(excludedCapacityDays),
baseAvailableHours: round1(baseAvailableHours),
availableHours: round1(availableHours),
bookedHours: round1(bookedHours),
remainingHours: round1(remainingHours),
remainingHoursPerDay,
projectHours: round1(projectHours),
assignmentCount: assignments.length,
holidaySummary: {
count: context?.holidayDates.size ?? 0,
workdayCount: holidayWorkdayCount,
hoursDeduction: round1(holidayHoursDeduction),
holidayDates: [...(context?.holidayDates ?? new Set<string>())].sort(),
},
absenceSummary: {
dayEquivalent: round1(absenceDayEquivalent),
hoursDeduction: round1(absenceHoursDeduction),
},
capacityBreakdown: {
formula: "baseAvailableHours - holidayHoursDeduction - absenceHoursDeduction = availableHours",
baseAvailableHours: round1(baseAvailableHours),
holidayHoursDeduction: round1(holidayHoursDeduction),
absenceHoursDeduction: round1(absenceHoursDeduction),
availableHours: round1(availableHours),
},
};
}).filter((candidate) => candidate.remainingHoursPerDay >= input.minHoursPerDay);
candidates.sort((left, right) => {
if (input.rankingMode === "highest_remaining_hours_per_day") {
return right.remainingHoursPerDay - left.remainingHoursPerDay
|| right.remainingHours - left.remainingHours
|| (left.lcrCents ?? Number.MAX_SAFE_INTEGER) - (right.lcrCents ?? Number.MAX_SAFE_INTEGER);
}
if (input.rankingMode === "highest_remaining_hours") {
return right.remainingHours - left.remainingHours
|| right.remainingHoursPerDay - left.remainingHoursPerDay
|| (left.lcrCents ?? Number.MAX_SAFE_INTEGER) - (right.lcrCents ?? Number.MAX_SAFE_INTEGER);
}
return (left.lcrCents ?? Number.MAX_SAFE_INTEGER) - (right.lcrCents ?? Number.MAX_SAFE_INTEGER)
|| right.remainingHoursPerDay - left.remainingHoursPerDay
|| right.remainingHours - left.remainingHours;
});
return {
period: {
startDate: toIsoDate(input.startDate),
endDate: toIsoDate(input.endDate),
minHoursPerDay: input.minHoursPerDay,
rankingMode: input.rankingMode,
},
filters: {
chapter: input.chapter ?? null,
roleName: input.roleName ?? null,
},
candidateCount: candidates.length,
bestMatch: candidates[0] ?? null,
candidates,
};
}
export const staffingRouter = createTRPCRouter({
/**
* Get ranked resource suggestions for a staffing requirement.
*/
getSuggestions: planningReadProcedure
.input(
z.object({
requiredSkills: z.array(z.string()),
preferredSkills: z.array(z.string()).optional(),
startDate: z.coerce.date(),
endDate: z.coerce.date(),
hoursPerDay: z.number().min(0).max(24),
budgetLcrCentsPerHour: z.number().optional(),
chapter: z.string().optional(),
skillCategory: z.string().optional(),
mainSkillsOnly: z.boolean().optional(),
minProficiency: z.number().min(1).max(5).optional(),
}),
)
.query(async ({ ctx, input }) => {
requirePermission(ctx, PermissionKey.VIEW_COSTS);
return queryStaffingSuggestions(ctx.db as unknown as StaffingSuggestionsDbClient, input);
}),
getProjectStaffingSuggestions: planningReadProcedure
.input(
z.object({
projectId: z.string().min(1),
roleName: z.string().optional(),
startDate: z.coerce.date().optional(),
endDate: z.coerce.date().optional(),
limit: z.number().int().min(1).max(50).optional().default(5),
}),
)
.query(async ({ ctx, input }) => {
requirePermission(ctx, PermissionKey.VIEW_COSTS);
const project = await findUniqueOrThrow(ctx.db.project.findUnique({
where: { id: input.projectId },
select: {
id: true,
shortCode: true,
name: true,
startDate: true,
endDate: true,
},
}), "Project");
const startDate = input.startDate ?? project.startDate ?? new Date();
const endDate = input.endDate ?? project.endDate ?? new Date();
const normalizedRoleFilter = input.roleName?.trim().toLowerCase();
const suggestions = await queryStaffingSuggestions(ctx.db as unknown as StaffingSuggestionsDbClient, {
requiredSkills: [],
startDate,
endDate,
hoursPerDay: 8,
});
return {
project: `${project.name} (${project.shortCode})`,
period: `${fmtDate(startDate)} to ${fmtDate(endDate)}`,
suggestions: suggestions
.filter((suggestion) => {
if (!normalizedRoleFilter) {
return true;
}
return suggestion.role?.toLowerCase().includes(normalizedRoleFilter) ?? false;
})
.map((suggestion) => ({
id: suggestion.resourceId,
name: suggestion.resourceName,
eid: suggestion.eid,
role: suggestion.role,
chapter: suggestion.chapter,
fte: round1(suggestion.fte ?? 0),
lcr: fmtEur(Math.round((suggestion.estimatedDailyCostCents ?? 0) / 8)),
workingDays: round1(suggestion.capacity.effectiveWorkingDays),
availableHours: round1(suggestion.capacity.remainingHours),
bookedHours: round1(suggestion.capacity.bookedHours),
availableHoursPerDay: round1(suggestion.capacity.remainingHoursPerDay),
utilization: round1(suggestion.currentUtilization ?? 0),
}))
.filter((suggestion) => suggestion.availableHours > 0)
.slice(0, input.limit),
};
}),
searchCapacity: planningReadProcedure
.input(
z.object({
startDate: z.coerce.date(),
endDate: z.coerce.date(),
minHoursPerDay: z.number().optional().default(4),
roleName: z.string().optional(),
chapter: z.string().optional(),
limit: z.number().int().min(1).max(100).optional().default(20),
}),
)
.query(async ({ ctx, input }) => {
const where: Record<string, unknown> = { isActive: true };
if (input.roleName) {
where.areaRole = { name: { contains: input.roleName, mode: "insensitive" } };
}
if (input.chapter) {
where.chapter = { contains: input.chapter, mode: "insensitive" };
}
const resources = await ctx.db.resource.findMany({
where,
select: {
id: true,
displayName: true,
eid: true,
fte: true,
availability: true,
countryId: true,
federalState: true,
metroCityId: true,
country: { select: { code: true } },
metroCity: { select: { name: true } },
areaRole: { select: { name: true } },
chapter: true,
},
take: 100,
});
const bookings = await listAssignmentBookings(ctx.db, {
startDate: input.startDate,
endDate: input.endDate,
resourceIds: resources.map((resource) => resource.id),
});
const bookingsByResourceId = new Map<string, typeof bookings>();
for (const booking of bookings) {
if (!booking.resourceId) {
continue;
}
const existing = bookingsByResourceId.get(booking.resourceId) ?? [];
existing.push(booking);
bookingsByResourceId.set(booking.resourceId, existing);
}
const contexts = await loadResourceDailyAvailabilityContexts(
ctx.db,
resources.map((resource) => ({
id: resource.id,
availability: resource.availability as unknown as WeekdayAvailability,
countryId: resource.countryId,
countryCode: resource.country?.code,
federalState: resource.federalState,
metroCityId: resource.metroCityId,
metroCityName: resource.metroCity?.name,
})),
input.startDate,
input.endDate,
);
const results = resources
.map((resource) => {
const availability = resource.availability as unknown as WeekdayAvailability;
const context = contexts.get(resource.id);
const workingDays = countEffectiveWorkingDays({
availability,
periodStart: input.startDate,
periodEnd: input.endDate,
context,
});
const availableHours = calculateEffectiveAvailableHours({
availability,
periodStart: input.startDate,
periodEnd: input.endDate,
context,
});
const bookedHours = (bookingsByResourceId.get(resource.id) ?? []).reduce(
(sum, booking) =>
sum + calculateEffectiveBookedHours({
availability,
startDate: booking.startDate,
endDate: booking.endDate,
hoursPerDay: booking.hoursPerDay,
periodStart: input.startDate,
periodEnd: input.endDate,
context,
}),
0,
);
const remainingHours = Math.max(0, availableHours - bookedHours);
return {
id: resource.id,
name: resource.displayName,
eid: resource.eid,
role: resource.areaRole?.name ?? null,
chapter: resource.chapter,
workingDays,
availableHours: round1(remainingHours),
availableHoursPerDay: averagePerWorkingDay(remainingHours, workingDays),
};
})
.filter((resource) => resource.availableHoursPerDay >= input.minHoursPerDay)
.sort((left, right) => right.availableHours - left.availableHours)
.slice(0, input.limit);
return {
period: `${toIsoDate(input.startDate)} to ${toIsoDate(input.endDate)}`,
minHoursFilter: input.minHoursPerDay,
results,
totalFound: results.length,
};
}),
/**
* Analyze utilization for a specific resource over a date range.
*/
analyzeUtilization: planningReadProcedure
.input(
z.object({
resourceId: z.string(),
startDate: z.coerce.date(),
endDate: z.coerce.date(),
}),
)
.query(async ({ ctx, input }) => {
const resource = await findUniqueOrThrow(
ctx.db.resource.findUnique({
where: { id: input.resourceId },
select: {
id: true,
displayName: true,
chargeabilityTarget: true,
availability: true,
countryId: true,
federalState: true,
metroCityId: true,
country: { select: { code: true } },
metroCity: { select: { name: true } },
},
}),
"Resource",
);
const resourceBookings = await listAssignmentBookings(ctx.db, {
startDate: input.startDate,
endDate: input.endDate,
resourceIds: [resource.id],
});
const availability = resource.availability as unknown as WeekdayAvailability;
const contexts = await loadResourceDailyAvailabilityContexts(
ctx.db,
[{
id: resource.id,
availability,
countryId: resource.countryId,
countryCode: resource.country?.code,
federalState: resource.federalState,
metroCityId: resource.metroCityId,
metroCityName: resource.metroCity?.name,
}],
input.startDate,
input.endDate,
);
const context = contexts.get(resource.id);
const activeBookings = resourceBookings.map((booking) => ({
startDate: booking.startDate,
endDate: booking.endDate,
hoursPerDay: booking.hoursPerDay,
status: booking.status,
projectName: booking.project.name,
isChargeable: booking.project.orderType === "CHARGEABLE",
}));
const overallocatedDays: string[] = [];
const underutilizedDays: string[] = [];
let totalAvailableHours = 0;
let totalChargeableHours = 0;
const cursor = new Date(input.startDate);
cursor.setUTCHours(0, 0, 0, 0);
const end = new Date(input.endDate);
end.setUTCHours(0, 0, 0, 0);
while (cursor <= end) {
const availableHoursForDay = getEffectiveDayAvailability(availability, cursor, context);
if (availableHoursForDay > 0) {
const { allocatedHours, chargeableHours } = calculateAllocatedHoursForDay({
bookings: activeBookings,
date: cursor,
context,
});
totalAvailableHours += availableHoursForDay;
totalChargeableHours += chargeableHours;
if (allocatedHours > availableHoursForDay) {
overallocatedDays.push(toIsoDate(cursor));
} else if (allocatedHours < availableHoursForDay * 0.5) {
underutilizedDays.push(toIsoDate(cursor));
}
}
cursor.setUTCDate(cursor.getUTCDate() + 1);
}
const currentChargeability = totalAvailableHours > 0
? (totalChargeableHours / totalAvailableHours) * 100
: 0;
return {
resourceId: resource.id,
resourceName: resource.displayName,
chargeabilityTarget: resource.chargeabilityTarget,
currentChargeability,
chargeabilityGap: resource.chargeabilityTarget - currentChargeability,
allocations: activeBookings
.filter((booking) => ACTIVE_STATUSES.has(booking.status))
.map((booking) => ({
startDate: booking.startDate,
endDate: booking.endDate,
hoursPerDay: booking.hoursPerDay,
projectName: booking.projectName,
isChargeable: booking.isChargeable,
})),
overallocatedDays,
underutilizedDays,
};
}),
/**
* Find capacity windows for a resource.
*/
findCapacity: planningReadProcedure
.input(
z.object({
resourceId: z.string(),
startDate: z.coerce.date(),
endDate: z.coerce.date(),
minAvailableHoursPerDay: z.number().optional().default(4),
}),
)
.query(async ({ ctx, input }) => {
const resource = await findUniqueOrThrow(
ctx.db.resource.findUnique({
where: { id: input.resourceId },
select: {
id: true,
displayName: true,
availability: true,
countryId: true,
federalState: true,
metroCityId: true,
country: { select: { code: true } },
metroCity: { select: { name: true } },
},
}),
"Resource",
);
const resourceBookings = await listAssignmentBookings(ctx.db, {
startDate: input.startDate,
endDate: input.endDate,
resourceIds: [resource.id],
});
const availability = resource.availability as unknown as WeekdayAvailability;
const contexts = await loadResourceDailyAvailabilityContexts(
ctx.db,
[{
id: resource.id,
availability,
countryId: resource.countryId,
countryCode: resource.country?.code,
federalState: resource.federalState,
metroCityId: resource.metroCityId,
metroCityName: resource.metroCity?.name,
}],
input.startDate,
input.endDate,
);
const context = contexts.get(resource.id);
const windows: Array<{
resourceId: string;
resourceName: string;
startDate: Date;
endDate: Date;
availableHoursPerDay: number;
availableDays: number;
totalAvailableHours: number;
}> = [];
let windowStart: Date | null = null;
let windowAvailableDays = 0;
let windowTotalHours = 0;
let windowMinHours = Number.POSITIVE_INFINITY;
const closeWindow = (closeDate: Date) => {
if (windowStart && windowAvailableDays > 0) {
const previousDay = new Date(closeDate);
previousDay.setUTCDate(previousDay.getUTCDate() - 1);
windows.push({
resourceId: resource.id,
resourceName: resource.displayName,
startDate: new Date(windowStart),
endDate: previousDay,
availableHoursPerDay: Number.isFinite(windowMinHours) ? windowMinHours : 0,
availableDays: windowAvailableDays,
totalAvailableHours: Math.round(windowTotalHours * 10) / 10,
});
}
windowStart = null;
windowAvailableDays = 0;
windowTotalHours = 0;
windowMinHours = Number.POSITIVE_INFINITY;
};
const cursor = new Date(input.startDate);
cursor.setUTCHours(0, 0, 0, 0);
const end = new Date(input.endDate);
end.setUTCHours(0, 0, 0, 0);
while (cursor <= end) {
const availableHoursForDay = getEffectiveDayAvailability(availability, cursor, context);
if (availableHoursForDay <= 0) {
closeWindow(cursor);
cursor.setUTCDate(cursor.getUTCDate() + 1);
continue;
}
const { allocatedHours } = calculateAllocatedHoursForDay({
bookings: resourceBookings.map((booking) => ({
startDate: booking.startDate,
endDate: booking.endDate,
hoursPerDay: booking.hoursPerDay,
status: booking.status,
})),
date: cursor,
context,
});
const freeHours = Math.max(0, availableHoursForDay - allocatedHours);
if (freeHours >= input.minAvailableHoursPerDay) {
if (!windowStart) {
windowStart = new Date(cursor);
}
windowAvailableDays += 1;
windowTotalHours += freeHours;
windowMinHours = Math.min(windowMinHours, freeHours);
} else {
closeWindow(cursor);
}
cursor.setUTCDate(cursor.getUTCDate() + 1);
}
closeWindow(new Date(end.getTime() + 86_400_000));
return windows;
}),
findBestProjectResource: planningReadProcedure
.input(
z.object({
projectId: z.string(),
startDate: z.coerce.date(),
endDate: z.coerce.date(),
minHoursPerDay: z.number().min(0).default(3),
rankingMode: z.enum(["lowest_lcr", "highest_remaining_hours_per_day", "highest_remaining_hours"]).default("lowest_lcr"),
chapter: z.string().optional(),
roleName: z.string().optional(),
}),
)
.query(async ({ ctx, input }) => {
requirePermission(ctx, PermissionKey.VIEW_COSTS);
return queryBestProjectResource(ctx.db as unknown as BestProjectResourceDbClient, input);
}),
getBestProjectResourceDetail: planningReadProcedure
.input(
z.object({
projectId: z.string().min(1),
startDate: z.coerce.date().optional(),
endDate: z.coerce.date().optional(),
durationDays: z.number().int().min(1).optional(),
minHoursPerDay: z.number().min(0).default(3),
rankingMode: z.enum(["lowest_lcr", "highest_remaining_hours_per_day", "highest_remaining_hours"]).default("lowest_lcr"),
chapter: z.string().optional(),
roleName: z.string().optional(),
}),
)
.query(async ({ ctx, input }) => {
requirePermission(ctx, PermissionKey.VIEW_COSTS);
const project = await findUniqueOrThrow(ctx.db.project.findUnique({
where: { id: input.projectId },
select: {
id: true,
name: true,
shortCode: true,
status: true,
responsiblePerson: true,
},
}), "Project");
const { startDate, endDate } = createDateRange({
startDate: input.startDate,
endDate: input.endDate,
durationDays: input.durationDays,
});
const result = await queryBestProjectResource(ctx.db as unknown as BestProjectResourceDbClient, {
projectId: input.projectId,
startDate,
endDate,
minHoursPerDay: input.minHoursPerDay,
rankingMode: input.rankingMode,
...(input.chapter ? { chapter: input.chapter } : {}),
...(input.roleName ? { roleName: input.roleName } : {}),
});
return {
...result,
project: {
id: project.id,
name: project.name,
shortCode: project.shortCode,
status: project.status,
responsiblePerson: project.responsiblePerson,
},
};
}),
});