Поправил графики

frontend/admin/js/schedule-period.js

@@ -0,0 +1,43 @@
+export function preferredScheduleSemester(semesters, date) {
+    const items = (semesters || [])
+        .filter(semester => semester?.startDate && semester?.endDate);
+    const current = items.find(semester =>
+        semester.startDate <= date && semester.endDate >= date
+    );
+    if (current) return current;
+
+    const upcoming = items
+        .filter(semester => semester.startDate > date)
+        .sort((first, second) => first.startDate.localeCompare(second.startDate));
+    if (upcoming.length) return upcoming[0];
+
+    return items
+        .filter(semester => semester.endDate < date)
+        .sort((first, second) => second.endDate.localeCompare(first.endDate))[0] || null;
+}
+
+export function defaultSchedulePeriod(semesters, date, durationDays = 14) {
+    const semester = preferredScheduleSemester(semesters, date);
+    const startDate = semester && (date < semester.startDate || date > semester.endDate)
+        ? semester.startDate
+        : date;
+    const calculatedEnd = addIsoDays(startDate, Math.max(1, durationDays) - 1);
+    return {
+        semester,
+        startDate,
+        endDate: semester && calculatedEnd > semester.endDate
+            ? semester.endDate
+            : calculatedEnd
+    };
+}
+
+function addIsoDays(value, days) {
+    const [year, month, day] = String(value).split('-').map(Number);
+    const date = new Date(year, month - 1, day);
+    date.setDate(date.getDate() + days);
+    return [
+        date.getFullYear(),
+        String(date.getMonth() + 1).padStart(2, '0'),
+        String(date.getDate()).padStart(2, '0')
+    ].join('-');
+}

frontend/admin/js/views/department-workspace.js

@@ -1,5 +1,6 @@
 import { api, getSession } from '../api.js';
 import { escapeHtml, formatLocalDate, showAlert, hideAlert } from '../utils.js';
+import { defaultSchedulePeriod } from '../schedule-period.js';
 
 const ROLE_DEPARTMENT = 'DEPARTMENT';
 
@@ -72,6 +73,7 @@ export async function initDepartmentWorkspace() {
             departmentField.hidden = true;
             departmentSelect.value = userDepartmentId || '';
         }
+        await selectDefaultWorkloadPeriod(startInput, endInput);
         await loadAllTeachers();
         renderImportRows([{ code: '', name: '' }]);
         await loadWorkspace();
@@ -475,6 +477,20 @@ export async function initDepartmentWorkspace() {
     }
 }
 
+async function selectDefaultWorkloadPeriod(startInput, endInput) {
+    try {
+        const semesters = await api.get('/api/schedule/semesters');
+        const period = defaultSchedulePeriod(
+            semesters,
+            formatLocalDate(new Date())
+        );
+        startInput.value = period.startDate;
+        endInput.value = period.endDate;
+    } catch (_error) {
+        // Текущий диапазон остаётся безопасным fallback, если справочник семестров недоступен.
+    }
+}
+
 async function loadDepartments(role, userDepartmentId) {
     const departments = await api.get('/api/departments');
     fillSelect('department-workspace-department', departments, item => item.id, item => item.departmentName, 'Выберите кафедру');

frontend/admin/js/views/schedule-view.js

@@ -1,5 +1,6 @@
 import { api, getSession } from '../api.js';
 import { escapeHtml, showAlert, hideAlert } from '../utils.js';
+import { preferredScheduleSemester } from '../schedule-period.js';
 import { canEditScheduleOverrides, createScheduleOverridePanel } from './schedule-override-panel.js';
 
 const ROLE_DEPARTMENT = 'DEPARTMENT';
@@ -321,17 +322,7 @@ export async function initScheduleView() {
 
     function buildSectionContext(target) {
         const selectedGroupId = target === TARGET_GROUPS ? normalizeId(valueOf('schedule-view-group')) : '';
-        const selectedDepartmentId = role === ROLE_DEPARTMENT
-            ? userDepartmentId
-            : (target === TARGET_DEPARTMENTS ? normalizeId(valueOf('schedule-view-department')) : '');
-        const allowedGroupIds = new Set();
-        if (selectedGroupId) {
-            allowedGroupIds.add(selectedGroupId);
-        } else if (selectedDepartmentId) {
-            state.dictionaries.groups
-                .filter(group => String(group.departmentId) === String(selectedDepartmentId))
-                .forEach(group => allowedGroupIds.add(String(group.id)));
-        }
+        const allowedGroupIds = allowedGroupIdsForScheduleTarget(target, selectedGroupId);
         return {
             selectedGroupId,
             selectedGroupName: selectedGroupId ? groupNameById(selectedGroupId) : '',
@@ -801,8 +792,11 @@ export async function initScheduleView() {
 
     function selectCurrentSemester() {
         if (!semesterSelect) return;
-        const currentSemester = findSemesterForDate(state.dictionaries.semesters, dateInput.value);
-        semesterSelect.value = currentSemester ? String(currentSemester.id) : '';
+        const preferredSemester = preferredScheduleSemester(
+            state.dictionaries.semesters,
+            dateInput.value
+        );
+        semesterSelect.value = preferredSemester ? String(preferredSemester.id) : '';
         synchronizeDateWithSemester();
         updatePeriodLabel();
     }
@@ -960,6 +954,12 @@ function buildScheduleSections(lessons, splitType, context) {
         .sort((a, b) => naturalCompare(a.title, b.title));
 }
 
+export function allowedGroupIdsForScheduleTarget(target, selectedGroupId) {
+    return target === TARGET_GROUPS && selectedGroupId
+        ? new Set([String(selectedGroupId)])
+        : new Set();
+}
+
 function splitEntitiesForLesson(lesson, splitType, context) {
     if (splitType === TARGET_TEACHERS) {
         return [singleEntity('teacher', lesson.teacherId, lesson.teacherName, 'Преподаватель не указан')];