From bfeb25404fb4f8c9b65bb7d04b3a36bc45862f3c Mon Sep 17 00:00:00 2001
From: Vlad <bondarvladislave@gmail.com>
Date: Wed, 20 Nov 2024 10:06:42 +0200
Subject: [PATCH] fix(kit): fix calendar range presets filtration (#9777)

Co-authored-by: Vladyslav Bondar <vladyslav.bondar@mgid.com>
Co-authored-by: mdlufy <german.panov.2018@mail.ru>
---
 .../calendar-range.component.ts               |  5 +++-
 .../test/calendar-range.component.spec.ts     | 24 +++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/projects/kit/components/calendar-range/calendar-range.component.ts b/projects/kit/components/calendar-range/calendar-range.component.ts
index fd1e8de3aa2e..37942240e629 100644
--- a/projects/kit/components/calendar-range/calendar-range.component.ts
+++ b/projects/kit/components/calendar-range/calendar-range.component.ts
@@ -170,7 +170,10 @@ export class TuiCalendarRange implements OnInit, OnChanges {
         ...items.filter(
             (item) =>
                 (minLength === null ||
-                    item.range.from.append(minLength).daySameOrBefore(item.range.to)) &&
+                    item.range.from
+                        .append(minLength)
+                        .append({day: -1})
+                        .daySameOrBefore(item.range.to)) &&
                 (min === null || item.range.to.daySameOrAfter(min)) &&
                 (max === null || item.range.from.daySameOrBefore(max)),
         ),
diff --git a/projects/kit/components/calendar-range/test/calendar-range.component.spec.ts b/projects/kit/components/calendar-range/test/calendar-range.component.spec.ts
index 647c0d4a2206..a78a1196ceda 100644
--- a/projects/kit/components/calendar-range/test/calendar-range.component.spec.ts
+++ b/projects/kit/components/calendar-range/test/calendar-range.component.spec.ts
@@ -10,6 +10,7 @@ import type {ComponentFixture} from '@angular/core/testing';
 import {TestBed} from '@angular/core/testing';
 import {FormControl, NgControl} from '@angular/forms';
 import {By} from '@angular/platform-browser';
+import type {TuiDayLike} from '@taiga-ui/cdk';
 import {
     TUI_LAST_DAY,
     tuiControlValue,
@@ -40,7 +41,9 @@ describe('rangeCalendarComponent', () => {
                 [items]="items"
                 [markerHandler]="markerHandler"
                 [max]="max"
+                [maxLength]="maxLength"
                 [min]="min"
+                [minLength]="minLength"
                 [value]="value"
                 (valueChange)="onRangeChange($event)"
             />
@@ -72,6 +75,10 @@ describe('rangeCalendarComponent', () => {
 
         public max = TUI_LAST_DAY;
 
+        public minLength: TuiDayLike | null = null;
+
+        public maxLength: TuiDayLike | null = null;
+
         public value: TuiDayRange | null = null;
 
         public defaultViewedMonth = TuiMonth.currentLocal();
@@ -254,6 +261,23 @@ describe('rangeCalendarComponent', () => {
             expect(items[1]?.nativeElement.contains(getCheckmark())).toBe(true);
         });
 
+        it('show item if it matches with minLength and maxLength', () => {
+            const today = TuiDay.currentLocal();
+            const length = {day: 1};
+            const title = 'Период';
+
+            testComponent.minLength = length;
+            testComponent.maxLength = length;
+
+            testComponent.items = [
+                new TuiDayRangePeriod(new TuiDayRange(today, today), title),
+            ];
+
+            fixture.detectChanges();
+
+            expect(getItems()[0]?.nativeElement.textContent.trim()).toBe(title);
+        });
+
         it('should update selectedActivePeriod after onItemSelect', () => {
             if (component.items[1]) {
                 component['onItemSelect'](component.items[1]);