contract-review/front/src/hooks/common/table.ts

import { computed, effectScope, onScopeDispose, reactive, ref, watch } from 'vue';
import type { Ref } from 'vue';
import type { PaginationProps } from 'naive-ui';
import { jsonClone } from '@sa/utils';
import { useBoolean, useHookTable } from '@sa/hooks';
import { useAppStore } from '@/store/modules/app';
import { $t } from '@/locales';

type TableData = NaiveUI.TableData;
type GetTableData<A extends NaiveUI.TableApiFn> = NaiveUI.GetTableData<A>;
type TableColumn<T> = NaiveUI.TableColumn<T>;

export function useTable<A extends NaiveUI.TableApiFn>(config: NaiveUI.NaiveTableConfig<A>) {
  const scope = effectScope();
  const appStore = useAppStore();

  const isMobile = computed(() => appStore.isMobile);

  const { apiFn, apiParams, immediate, showTotal } = config;
  const SELECTION_KEY = '__selection__';

  const EXPAND_KEY = '__expand__';
  const {
    loading,
    empty,
    data,
    columns,
    columnChecks,
    reloadColumns,
    getData,
    searchParams,
    updateSearchParams,
    resetSearchParams
  } = useHookTable<A, GetTableData<A>, TableColumn<NaiveUI.TableDataWithIndex<GetTableData<A>>>>({
    apiFn,
    apiParams,
    columns: config.columns,
    transformer: res => {
      // const { records = [], current = 1, size = 10, total = 0 } = res.data || {};
      // 如果res.data本身是数组，说明查的是全部，没有分页
      let total: number = 0;
      let records: GetTableData<A>[] = [];
      if (Array.isArray(res.data)) {
        records = res.data || [];
        total = records.length;
      } else {
        // 如果 data 是对象，解构获取内部的 rows 和 total
        const { data: rows = [], total: totalCount = 0 } = res.data || {};
        records = rows;
        total = totalCount;
      }
      const current: number = searchParams?.pageNum || 1;
      const size: number = searchParams?.pageSize || 10;
      // Ensure that the size is greater than 0, If it is less than 0, it will cause paging calculation errors.
      const pageSize = size <= 0 ? 10 : size;

      const recordsWithIndex = records.map((item: GetTableData<A>, index: number) => {
        return {
          ...item,
          index: (current - 1) * pageSize + index + 1
        };
      });

      return {
        data: recordsWithIndex,
        pageNum: current,
        pageSize,
        total
      };
    },
    getColumnChecks: cols => {
      const checks: NaiveUI.TableColumnCheck[] = [];

      cols.forEach(column => {
        if (isTableColumnHasKey(column)) {
          checks.push({
            key: column.key as string,
            title: column.title as string,
            checked: true
          });
        } else if (column.type === 'selection') {
          checks.push({
            key: SELECTION_KEY,
            title: $t('common.check'),
            checked: true
          });
        } else if (column.type === 'expand') {
          checks.push({
            key: EXPAND_KEY,
            title: $t('common.expandColumn'),
            checked: true
          });
        }
      });

      return checks;
    },
    getColumns: (cols, checks) => {
      const columnMap = new Map<string, TableColumn<GetTableData<A>>>();

      cols.forEach(column => {
        if (isTableColumnHasKey(column)) {
          columnMap.set(column.key as string, column);
        } else if (column.type === 'selection') {
          columnMap.set(SELECTION_KEY, column);
        } else if (column.type === 'expand') {
          columnMap.set(EXPAND_KEY, column);
        }
      });

      const filteredColumns = checks
        .filter(item => item.checked)
        .map(check => columnMap.get(check.key) as TableColumn<GetTableData<A>>);

      return filteredColumns;
    },
    onFetched: async transformed => {
      const { pageNum, pageSize, total } = transformed;

      updatePagination({
        page: pageNum,
        pageSize,
        itemCount: total
      });
    },
    immediate
  });

  const pagination: PaginationProps = reactive({
    page: 1,
    pageSize: 10,
    showSizePicker: true,
    itemCount: 0,
    pageSizes: [10, 15, 20, 25, 30],
    onUpdatePage: async (page: number) => {
      pagination.page = page;
      updateSearchParams({
        pageNum: page,
        pageSize: pagination.pageSize!
      });

      getData();
    },
    onUpdatePageSize: async (pageSize: number) => {
      pagination.pageSize = pageSize;
      pagination.page = 1;

      updateSearchParams({
        pageNum: pagination.page,
        pageSize
      });

      getData();
    },
    ...(showTotal
      ? {
          prefix: page => $t('datatable.itemCount', { total: page.itemCount })
        }
      : {})
  });

  // this is for mobile, if the system does not support mobile, you can use `pagination` directly
  const mobilePagination = computed(() => {
    const p: PaginationProps = {
      ...pagination,
      pageSlot: isMobile.value ? 3 : 9,
      prefix: !isMobile.value && showTotal ? pagination.prefix : undefined
    };

    return p;
  });

  function updatePagination(update: Partial<PaginationProps>) {
    Object.assign(pagination, update);
  }

  /**
   * get data by page number
   *
   * @param pageNum the page number. default is 1
   */
  async function getDataByPage(pageNum: number = 1) {
    updatePagination({
      page: pageNum
    });

    updateSearchParams({
      pageNum,
      pageSize: pagination.pageSize!
    });

    await getData();
  }

  scope.run(() => {
    watch(
      () => appStore.locale,
      () => {
        reloadColumns();
      }
    );
  });

  onScopeDispose(() => {
    scope.stop();
  });

  return {
    loading,
    empty,
    data,
    columns,
    columnChecks,
    reloadColumns,
    pagination,
    mobilePagination,
    updatePagination,
    getData,
    getDataByPage,
    searchParams,
    updateSearchParams,
    resetSearchParams
  };
}

export function useTableOperate<T extends TableData = TableData>(
  data: Ref<T[]>,
  getData: () => Promise<void>,
  idField?: string
) {
  const { bool: drawerVisible, setTrue: openDrawer, setFalse: closeDrawer } = useBoolean();

  const operateType = ref<NaiveUI.TableOperateType>('add');

  function handleAdd() {
    operateType.value = 'add';
    openDrawer();
  }

  /** the editing row data */
  const editingData: Ref<T | null> = ref(null);

  /** 简单的编辑，适用于编辑时不需要去查询详情接口或者只为了拿到当前表格行的数据的场景，使用这个hook时传入【idField】即可 */
  function handleSimpleEdit(id: string | number) {
    const field = idField || 'id'; // 使用默认字段 'id'
    operateType.value = 'edit';
    const findItem = data.value.find(item => item[field] === id) || null;
    editingData.value = jsonClone(findItem);
    openDrawer();
  }

  /** 使用这个方式时，需要写查详情的逻辑回填数据到【editingData】 */
  function handleEdit() {
    operateType.value = 'edit';
    openDrawer();
  }

  /** the checked row keys of table */
  const checkedRowKeys = ref<string[] | number[]>([]);

  /** the hook after the batch delete operation is completed */
  async function onBatchDeleted() {
    window.$message?.success($t('common.deleteSuccess'));

    checkedRowKeys.value = [];

    await getData();
  }

  /** the hook after the delete operation is completed */
  async function onDeleted() {
    window.$message?.success($t('common.deleteSuccess'));

    await getData();
  }

  return {
    drawerVisible,
    openDrawer,
    closeDrawer,
    operateType,
    handleAdd,
    editingData,
    handleEdit,
    handleSimpleEdit,
    checkedRowKeys,
    onBatchDeleted,
    onDeleted
  };
}

function isTableColumnHasKey<T>(column: TableColumn<T>): column is NaiveUI.TableColumnWithKey<T> {
  return Boolean((column as NaiveUI.TableColumnWithKey<T>).key);
}