dbgate/packages/web/src/perspectives/PerspectiveView.svelte

<script lang="ts">
  import {
    getTableChildPerspectiveNodes,
    PerspectiveDataLoadProps,
    PerspectiveTableColumnNode,
    PerspectiveTableNode,
  } from 'dbgate-datalib';

  import _ from 'lodash';

  import HorizontalSplitter from '../elements/HorizontalSplitter.svelte';
  import { useDatabaseInfo, useTableInfo, useViewInfo } from '../utility/metadataLoaders';

  import { getLocalStorage, setLocalStorage } from '../utility/storageCache';
  import WidgetColumnBar from '../widgets/WidgetColumnBar.svelte';
  import WidgetColumnBarItem from '../widgets/WidgetColumnBarItem.svelte';
  import PerspectiveTree from './PerspectiveTree.svelte';
  import PerspectiveTable from './PerspectiveTable.svelte';
  import { apiCall } from '../utility/api';
  import { Select } from 'dbgate-sqltree';

  export let conid;
  export let database;
  export let schemaName;
  export let pureName;

  export let config;
  export let setConfig;

  let managerSize;

  $: if (managerSize) setLocalStorage('perspectiveManagerWidth', managerSize);

  function getInitialManagerSize() {
    const width = getLocalStorage('perspectiveManagerWidth');
    if (_.isNumber(width) && width > 30 && width < 500) {
      return `${width}px`;
    }
    return '300px';
  }

  const dbInfo = useDatabaseInfo({ conid, database });
  const tableInfo = useTableInfo({ conid, database, schemaName, pureName });
  const viewInfo = useViewInfo({ conid, database, schemaName, pureName });

  // $: console.log('tableInfo', $tableInfo);
  // $: console.log('viewInfo', $viewInfo);

  // function getTableNodes(table, dbInfo, config, setConfig) {
  //   return getTableChildPerspectiveNodes(table, dbInfo, config, setConfig, null);
  // }

  // function getViewNodes(view, dbInfo, config, setConfig) {
  //   return [];
  // }

  // // $: console.log('CFG', config);

  // $: nodes = $tableInfo
  //   ? getTableNodes($tableInfo, $dbInfo, config, setConfig)
  //   : $viewInfo
  //   ? getViewNodes($viewInfo, $dbInfo, config, setConfig)
  //   : null;

  async function loader(props: PerspectiveDataLoadProps) {
    const { schemaName, pureName, bindingColumns, bindingValues, dataColumns } = props;
    const select: Select = {
      commandType: 'select',
      from: {
        name: { schemaName, pureName },
      },
      columns: dataColumns?.map(columnName => ({
        exprType: 'column',
        columnName,
        source: {
          name: { schemaName, pureName },
        },
      })),
      selectAll: !dataColumns,
    };
    if (bindingColumns?.length == 1) {
      select.where = {
        conditionType: 'in',
        expr: {
          exprType: 'column',
          columnName: bindingColumns[0],
          source: {
            name: { schemaName, pureName },
          },
        },
        values: bindingValues,
      };
    }
    const response = await apiCall('database-connections/sql-select', {
      conid,
      database,
      select,
    });

    if (response.errorMessage) return response;
    return response.rows;
  }

  $: root = $tableInfo ? new PerspectiveTableNode($tableInfo, $dbInfo, config, setConfig, loader as any, null) : null;
</script>

<HorizontalSplitter initialValue={getInitialManagerSize()} bind:size={managerSize}>
  <div class="left" slot="1">
    <WidgetColumnBar>
      <WidgetColumnBarItem title="Choose data" name="perspectiveTree" height="45%">
        {#if root}
          <PerspectiveTree {root} />
        {/if}
      </WidgetColumnBarItem>
    </WidgetColumnBar>
  </div>

  <svelte:fragment slot="2">
    <PerspectiveTable {root} />
  </svelte:fragment>
</HorizontalSplitter>

<style>
  .left {
    display: flex;
    flex: 1;
    background-color: var(--theme-bg-0);
  }
</style>