From bf4bee0f95145b04edf4710eacfba75b5fb2c3ac Mon Sep 17 00:00:00 2001
From: alexm <alexm@verdnatura.es>
Date: Tue, 29 Oct 2024 14:07:34 +0100
Subject: [PATCH] feat(VnSelect): refs #7136 add scroll

---
 src/components/common/VnSelect.vue    | 50 ++++++++++++++++++---------
 src/pages/Customer/CustomerFilter.vue |  3 +-
 2 files changed, 34 insertions(+), 19 deletions(-)

diff --git a/src/components/common/VnSelect.vue b/src/components/common/VnSelect.vue
index b0aa648c1..5dc9fc74b 100644
--- a/src/components/common/VnSelect.vue
+++ b/src/components/common/VnSelect.vue
@@ -1,7 +1,7 @@
 <script setup>
 import { ref, toRefs, computed, watch, onMounted, useAttrs } from 'vue';
 import { useI18n } from 'vue-i18n';
-import FetchData from 'src/components/FetchData.vue';
+import { useArrayData } from 'src/composables/useArrayData';
 import { useValidator } from 'src/composables/useValidator';
 const emit = defineEmits(['update:modelValue', 'update:options', 'remove']);
 
@@ -86,7 +86,12 @@ const $props = defineProps({
         type: Boolean,
         default: false,
     },
+    dataKey: {
+        type: String,
+        default: null,
+    },
 });
+
 const { validations } = useValidator();
 const requiredFieldRule = (val) => validations().required($attrs.required, val);
 const $attrs = useAttrs();
@@ -97,14 +102,14 @@ const { optionLabel, optionValue, optionFilter, optionFilterValue, options, mode
 const myOptions = ref([]);
 const myOptionsOriginal = ref([]);
 const vnSelectRef = ref();
-const dataRef = ref();
 const lastVal = ref();
 const noOneText = t('globals.noOne');
 const noOneOpt = ref({
     [optionValue.value]: false,
     [optionLabel.value]: noOneText,
 });
-
+const isLoading = ref(false);
+const useURL = computed(() => $props.url);
 const value = computed({
     get() {
         return $props.modelValue;
@@ -114,6 +119,9 @@ const value = computed({
         emit('update:modelValue', value);
     },
 });
+const arrayDataKey =
+    $props.dataKey ?? ($props.url?.length > 0 ? $props.url : $attrs.name ?? $attrs.label);
+const arrayData = useArrayData(arrayDataKey, { url: $props.url, searchUrl: false });
 
 watch(options, (newValue) => {
     setOptions(newValue);
@@ -128,7 +136,7 @@ watch(modelValue, async (newValue) => {
 
 onMounted(() => {
     setOptions(options.value);
-    if ($props.url && $props.modelValue && !findKeyInOptions())
+    if (useURL.value && $props.modelValue && !findKeyInOptions())
         fetchFilter($props.modelValue);
     if ($props.focusOnMount) setTimeout(() => vnSelectRef.value.showPopup(), 300);
 });
@@ -166,7 +174,7 @@ function filter(val, options) {
 }
 
 async function fetchFilter(val) {
-    if (!$props.url || !dataRef.value) return;
+    if (!$props.url) return;
 
     const { fields, include, sortBy, limit } = $props;
     const key =
@@ -188,8 +196,8 @@ async function fetchFilter(val) {
     const fetchOptions = { where, include, limit };
     if (fields) fetchOptions.fields = fields;
     if (sortBy) fetchOptions.order = sortBy;
-
-    return dataRef.value.fetch(fetchOptions);
+    arrayData.reset(['skip', 'filter.skip', 'page']);
+    return (await arrayData.applyFilter({ filter: fetchOptions }))?.data;
 }
 
 async function filterHandler(val, update) {
@@ -229,20 +237,25 @@ function nullishToTrue(value) {
 
 const getVal = (val) => ($props.useLike ? { like: `%${val}%` } : val);
 
+async function onScroll({ to, direction, from, index }) {
+    const lastIndex = myOptions.value.length - 1;
+
+    if (from === 0 && index === 0) return;
+    if (!useURL.value && !$props.fetchRef) return;
+    if (direction === 'decrease') return;
+    if (to === lastIndex && arrayData.store.hasMoreData && !isLoading.value) {
+        isLoading.value = true;
+        await arrayData.loadMore();
+        setOptions(arrayData.store.data);
+        vnSelectRef.value.scrollTo(lastIndex);
+        isLoading.value = false;
+    }
+}
+
 defineExpose({ opts: myOptions });
 </script>
 
 <template>
-    <FetchData
-        ref="dataRef"
-        :url="$props.url"
-        @on-fetch="(data) => setOptions(data)"
-        :where="where || { [optionValue]: value }"
-        :limit="limit"
-        :sort-by="sortBy"
-        :fields="fields"
-        :params="params"
-    />
     <QSelect
         v-model="value"
         :options="myOptions"
@@ -261,6 +274,9 @@ defineExpose({ opts: myOptions });
         :rules="mixinRules"
         virtual-scroll-slice-size="options.length"
         hide-bottom-space
+        :input-debounce="useURL ? '300' : '0'"
+        :loading="isLoading"
+        @virtual-scroll="onScroll"
     >
         <template v-if="isClearable" #append>
             <QIcon
diff --git a/src/pages/Customer/CustomerFilter.vue b/src/pages/Customer/CustomerFilter.vue
index 6c50cc9df..02e07249a 100644
--- a/src/pages/Customer/CustomerFilter.vue
+++ b/src/pages/Customer/CustomerFilter.vue
@@ -53,7 +53,7 @@ defineProps({
                 <QItemSection>
                     <VnSelect
                         url="Workers/activeWithInheritedRole"
-                        :filter="{ where: { role: 'salesPerson' } }"
+                        :where="{ role: 'salesPerson' }"
                         auto-load
                         :label="t('Salesperson')"
                         v-model="params.salesPersonFk"
@@ -67,7 +67,6 @@ defineProps({
                         dense
                         outlined
                         rounded
-                        :input-debounce="0"
                     />
                 </QItemSection>
             </QItem>