Add preset expiration day picker to label form

src/features/labels/label-create-page.js

@@ -22,6 +22,7 @@ const STOCK_LEVEL_OPTIONS = [
 ];
 
 const QUANTITY_UNIT_OPTIONS = ['g', 'ml', 'pc'];
+const EXPIRATION_DAY_OPTIONS = ['3', '5', '8', '10', '15', '20', '25', '30', '45', '60', '90', '120', '150', '180'];
 
 export function renderLabelCreatePage() {
   return `
@@ -300,15 +301,47 @@ export function renderLabelCreatePage() {
                     </div>
                     <div class="row g-2">
                       <div class="col-5">
-                        <input
-                          class="form-control"
-                          type="number"
-                          min="0"
-                          step="1"
-                          x-model="form.expireDays"
-                          @input="syncExpireDateFromDays()"
-                          placeholder="30"
-                        />
+                        <div
+                          class="position-relative"
+                          x-ref="expireDaysPicker"
+                          @focusin="expireDaysPickerOpen = true"
+                          @focusout="handleExpireDaysFocusOut($event)"
+                        >
+                          <input
+                            class="form-control"
+                            type="text"
+                            inputmode="numeric"
+                            x-model="form.expireDays"
+                            @input="onExpireDaysInput()"
+                            @click="openExpireDaysPicker()"
+                            @keydown.escape="expireDaysPickerOpen = false"
+                            placeholder="30"
+                            autocomplete="off"
+                          />
+                          <template x-if="expireDaysPickerOpen">
+                            <div class="shadow-sm position-absolute start-0 end-0 z-3 mt-1 quantity-unit-picker expiration-days-picker">
+                              <template x-if="filteredExpireDayOptions.length">
+                                <div class="expiration-days-grid">
+                                  <template x-for="days in filteredExpireDayOptions" :key="days">
+                                    <button
+                                      class="btn btn-outline-secondary btn-sm expiration-days-option"
+                                      type="button"
+                                      @click="pickExpireDays(days)"
+                                      :class="{ 'active': form.expireDays === days }"
+                                    >
+                                      <span class="fw-semibold" x-text="days"></span>
+                                    </button>
+                                  </template>
+                                </div>
+                              </template>
+                              <template x-if="!filteredExpireDayOptions.length">
+                                <div class="text-body-secondary small p-3">
+                                  No matching day values found.
+                                </div>
+                              </template>
+                            </div>
+                          </template>
+                        </div>
                       </div>
                       <div class="col-7">
                         <input
@@ -466,11 +499,13 @@ export function labelCreatePageData(store) {
     stockTypeOptions: STOCK_TYPE_OPTIONS,
     stockLevelOptions: STOCK_LEVEL_OPTIONS,
     quantityUnitOptions: QUANTITY_UNIT_OPTIONS,
+    expirationDayOptions: EXPIRATION_DAY_OPTIONS,
     suggestions: [],
     locations: [],
     locationSearch: '',
     locationPickerOpen: false,
     quantityUnitPickerOpen: false,
+    expireDaysPickerOpen: false,
     previewUrl: '',
     successMessage: '',
     submitError: '',
@@ -580,6 +615,26 @@ export function labelCreatePageData(store) {
 
       return this.quantityUnitOptions;
     },
+    get filteredExpireDayOptions() {
+      const query = this.form.expireDays.trim();
+      if (!query) {
+        return this.expirationDayOptions;
+      }
+
+      if (this.expirationDayOptions.includes(query)) {
+        return this.expirationDayOptions;
+      }
+
+      const matches = this.expirationDayOptions.filter((days) =>
+        days.includes(query),
+      );
+
+      if (matches.length) {
+        return matches;
+      }
+
+      return this.expirationDayOptions;
+    },
     get selectedLocation() {
       return this.locations.find(
         (location) => String(location.id) === String(this.form.locationId),
@@ -606,6 +661,9 @@ export function labelCreatePageData(store) {
     openQuantityUnitPicker() {
       this.quantityUnitPickerOpen = true;
     },
+    openExpireDaysPicker() {
+      this.expireDaysPickerOpen = true;
+    },
     onLocationInput() {
       this.locationPickerOpen = true;
       if (this.selectedLocation && this.locationSearch !== this.selectedLocation.name) {
@@ -631,10 +689,27 @@ export function labelCreatePageData(store) {
 
       this.quantityUnitPickerOpen = false;
     },
+    onExpireDaysInput() {
+      this.expireDaysPickerOpen = true;
+      this.syncExpireDateFromDays();
+    },
+    handleExpireDaysFocusOut(event) {
+      const nextTarget = event.relatedTarget;
+      if (nextTarget && this.$refs.expireDaysPicker?.contains(nextTarget)) {
+        return;
+      }
+
+      this.expireDaysPickerOpen = false;
+    },
     pickQuantityUnit(unit) {
       this.form.uom = unit;
       this.quantityUnitPickerOpen = false;
     },
+    pickExpireDays(days) {
+      this.form.expireDays = days;
+      this.expireDaysPickerOpen = false;
+      this.syncExpireDateFromDays();
+    },
     syncLocationSelection() {
       if (!this.form.locationId) {
         this.locationSearch = '';