feat(leave) : phase-aware leave tab loading

frontend/composables/useEmployeeLeave.ts

@@ -1,5 +1,6 @@
 import type { Ref } from 'vue'
 import type { Absence } from '~/services/dto/absence'
+import type { ContractPhase } from '~/services/dto/contract-phase'
 import type { EmployeeLeaveSummary } from '~/services/dto/employee-leave-summary'
 import type { Employee } from '~/services/dto/employee'
 import { CONTRACT_TYPES } from '~/services/dto/contract'
@@ -12,7 +13,11 @@ export type LeaveYearOption = {
   label: string
 }
 
-export const useEmployeeLeave = (employee: Ref<Employee | null>, reloadEmployee: () => Promise<void>) => {
+export const useEmployeeLeave = (
+  employee: Ref<Employee | null>,
+  reloadEmployee: () => Promise<void>,
+  selectedPhase: Ref<ContractPhase | null>,
+) => {
   const employeeAbsences = ref<Absence[]>([])
   const leaveSummary = ref<EmployeeLeaveSummary | null>(null)
   const publicHolidays = ref<Record<string, string>>({})
@@ -20,17 +25,18 @@ export const useEmployeeLeave = (employee: Ref<Employee | null>, reloadEmployee:
   const leaveDataLoaded = ref(false)
   const selectedLeaveYear = ref<number | null>(null)
 
-  const isForfaitContract = (emp: Employee | null) =>
-    emp?.contract?.type === CONTRACT_TYPES.FORFAIT
+  const isForfaitOnPhase = computed(() =>
+    selectedPhase.value?.contractType === CONTRACT_TYPES.FORFAIT
+  )
 
-  const computeLeaveYearForDate = (emp: Employee | null, date: Date): number => {
-    if (isForfaitContract(emp)) return date.getFullYear()
+  const computeLeaveYearForDate = (date: Date): number => {
+    if (isForfaitOnPhase.value) return date.getFullYear()
     return date.getMonth() >= 5 ? date.getFullYear() + 1 : date.getFullYear()
   }
 
   const currentLeaveYear = computed<number | null>(() => {
     if (!employee.value) return null
-    return computeLeaveYearForDate(employee.value, new Date())
+    return computeLeaveYearForDate(new Date())
   })
 
   const formatLeaveYearLabel = (year: number, isForfait: boolean): string => {
@@ -39,23 +45,15 @@ export const useEmployeeLeave = (employee: Ref<Employee | null>, reloadEmployee:
   }
 
   const availableLeaveYears = computed<LeaveYearOption[]>(() => {
-    if (!employee.value || currentLeaveYear.value === null) return []
-    const isForfait = isForfaitContract(employee.value)
-    const current = currentLeaveYear.value
+    if (!employee.value || !selectedPhase.value || currentLeaveYear.value === null) return []
+    const isForfait = isForfaitOnPhase.value
+    const phase = selectedPhase.value
 
-    const startDates: string[] = []
-    for (const period of employee.value.contractHistory ?? []) {
-      if (period.startDate) startDates.push(period.startDate)
-    }
-    if (employee.value.entryDate) startDates.push(employee.value.entryDate)
-
-    let contractFloor = current
-    for (const raw of startDates) {
-      const date = new Date(`${raw.substring(0, 10)}T00:00:00`)
-      if (Number.isNaN(date.getTime())) continue
-      const leaveYear = computeLeaveYearForDate(employee.value, date)
-      if (leaveYear < contractFloor) contractFloor = leaveYear
-    }
+    // Plage = exercices intersectant la phase.
+    const phaseStartYear = computeLeaveYearForDate(new Date(`${phase.startDate}T00:00:00`))
+    const phaseEndYear = phase.endDate
+      ? computeLeaveYearForDate(new Date(`${phase.endDate}T00:00:00`))
+      : currentLeaveYear.value
 
     // Hard floor : data-start-date (env RTT_START_DATE) — le logiciel n'a pas
     // d'historique avant cette date, inutile de proposer des années antérieures.
@@ -64,14 +62,15 @@ export const useEmployeeLeave = (employee: Ref<Employee | null>, reloadEmployee:
     if (dataStart) {
       const dataStartDate = new Date(`${dataStart.substring(0, 10)}T00:00:00`)
       if (!Number.isNaN(dataStartDate.getTime())) {
-        dataFloor = computeLeaveYearForDate(employee.value, dataStartDate)
+        dataFloor = computeLeaveYearForDate(dataStartDate)
       }
     }
 
-    const minYear = dataFloor !== null ? Math.max(contractFloor, dataFloor) : contractFloor
+    const minYear = dataFloor !== null ? Math.max(phaseStartYear, dataFloor) : phaseStartYear
+    const maxYear = phaseEndYear
 
     const years: LeaveYearOption[] = []
-    for (let y = current; y >= minYear; y -= 1) {
+    for (let y = maxYear; y >= minYear; y -= 1) {
       years.push({ value: y, label: formatLeaveYearLabel(y, isForfait) })
     }
     return years
@@ -90,7 +89,7 @@ export const useEmployeeLeave = (employee: Ref<Employee | null>, reloadEmployee:
     if (selectedLeaveYear.value === null) return
     isLeaveLoading.value = true
     try {
-      const isForfait = isForfaitContract(employee.value)
+      const isForfait = isForfaitOnPhase.value
       const leaveYear = selectedLeaveYear.value
       const from = isForfait ? `${leaveYear}-01-01` : `${leaveYear - 1}-06-01`
       const to = isForfait ? `${leaveYear}-12-31` : `${leaveYear}-05-31`
@@ -98,7 +97,7 @@ export const useEmployeeLeave = (employee: Ref<Employee | null>, reloadEmployee:
 
       const [absences, summary, ...holidayResults] = await Promise.all([
         listAbsences({ from, to, employeeId: employee.value.id }),
-        getEmployeeLeaveSummary(employee.value.id, leaveYear),
+        getEmployeeLeaveSummary(employee.value.id, leaveYear, selectedPhase.value?.id),
         ...holidayYears.map((y) => listPublicHolidays('metropole', y))
       ])
       employeeAbsences.value = absences
@@ -122,6 +121,13 @@ export const useEmployeeLeave = (employee: Ref<Employee | null>, reloadEmployee:
     selectedLeaveYear.value = null
   }
 
+  watch(() => selectedPhase.value?.id, () => {
+    // Reset l'année car la plage a peut-être changé.
+    selectedLeaveYear.value = null
+    leaveDataLoaded.value = false
+    // Le rechargement effectif est piloté par useEmployeeDetailPage.
+  })
+
   const submitFractionedDays = async (days: number) => {
     if (!employee.value) return
     const year = leaveSummary.value?.year ?? undefined