From f90c6ec44d2fbe6857db764a153b07bdf064d7ee Mon Sep 17 00:00:00 2001
From: Andrew Kingston <aptkingston@ssl-mail.com>
Date: Fri, 17 Dec 2021 10:37:26 +0000
Subject: [PATCH] Remove old reference implementation of data provider
 component

---
 .../src/components/app/DataProvider2.svelte   | 361 ------------------
 1 file changed, 361 deletions(-)
 delete mode 100644 packages/client/src/components/app/DataProvider2.svelte

diff --git a/packages/client/src/components/app/DataProvider2.svelte b/packages/client/src/components/app/DataProvider2.svelte
deleted file mode 100644
index b9f5287a49..0000000000
--- a/packages/client/src/components/app/DataProvider2.svelte
+++ /dev/null
@@ -1,361 +0,0 @@
-<script>
-  import { getContext } from "svelte"
-  import { ProgressCircle, Pagination } from "@budibase/bbui"
-  import {
-    buildLuceneQuery,
-    luceneQuery,
-    luceneSort,
-    luceneLimit,
-  } from "builder/src/helpers/lucene"
-  import Placeholder from "./Placeholder.svelte"
-  import { fetchData } from "utils/fetch/fetchData.js"
-
-  export let dataSource
-  export let filter
-  export let sortColumn
-  export let sortOrder
-  export let limit
-  export let paginate
-
-  const { API, styleable, Provider, ActionTypes } = getContext("sdk")
-  const component = getContext("component")
-
-  // Loading flag every time data is being fetched
-  let loading = false
-
-  // Loading flag for the initial load
-  // Mark as loaded if we have no datasource so we don't stall forever
-  let loaded = !dataSource
-  let schemaLoaded = false
-
-  // Provider state
-  let rows = []
-  let allRows = []
-  let schema = {}
-  let bookmarks = [null]
-  let pageNumber = 0
-  let query = null
-  let queryExtensions = {}
-
-  // Sorting can be overridden at run time, so we can't use the prop directly
-  let currentSortColumn = sortColumn
-  let currentSortOrder = sortOrder
-
-  // Reset the current sort state to props if props change
-  $: currentSortColumn = sortColumn
-  $: currentSortOrder = sortOrder
-
-  $: defaultQuery = buildLuceneQuery(filter)
-  $: extendQuery(defaultQuery, queryExtensions)
-  $: internalTable = dataSource?.type === "table"
-  $: nestedProvider = dataSource?.type === "provider"
-  $: hasNextPage = bookmarks[pageNumber + 1] != null
-  $: hasPrevPage = pageNumber > 0
-  $: getSchema(dataSource)
-  $: sortType = getSortType(schema, currentSortColumn)
-
-  // Wait until schema loads before loading data, so that we can determine
-  // the correct sort type first time
-  $: {
-    if (schemaLoaded) {
-      fetchData(
-        dataSource,
-        schema,
-        query,
-        limit,
-        currentSortColumn,
-        currentSortOrder,
-        sortType,
-        paginate
-      )
-    }
-  }
-
-  // Reactively filter and sort rows if required
-  $: {
-    if (internalTable) {
-      // Internal tables are already processed server-side
-      rows = allRows
-    } else {
-      // For anything else we use client-side implementations to filter, sort
-      // and limit
-      const filtered = luceneQuery(allRows, query)
-      const sorted = luceneSort(
-        filtered,
-        currentSortColumn,
-        currentSortOrder,
-        sortType
-      )
-      rows = luceneLimit(sorted, limit)
-    }
-  }
-
-  // Build our action context
-  $: actions = [
-    {
-      type: ActionTypes.RefreshDatasource,
-      callback: () => refresh(),
-      metadata: { dataSource },
-    },
-    {
-      type: ActionTypes.AddDataProviderQueryExtension,
-      callback: addQueryExtension,
-    },
-    {
-      type: ActionTypes.RemoveDataProviderQueryExtension,
-      callback: removeQueryExtension,
-    },
-    {
-      type: ActionTypes.SetDataProviderSorting,
-      callback: ({ column, order }) => {
-        if (column) {
-          currentSortColumn = column
-        }
-        if (order) {
-          currentSortOrder = order
-        }
-      },
-    },
-  ]
-
-  // Build our data context
-  $: dataContext = {
-    rows,
-    schema,
-    rowsLength: rows.length,
-
-    // Undocumented properties. These aren't supposed to be used in builder
-    // bindings, but are used internally by other components
-    id: $component?.id,
-    state: {
-      query,
-      sortColumn: currentSortColumn,
-      sortOrder: currentSortOrder,
-    },
-    loaded,
-  }
-
-  const getSortType = (schema, sortColumn) => {
-    if (!schema || !sortColumn || !schema[sortColumn]) {
-      return "string"
-    }
-    const type = schema?.[sortColumn]?.type
-    return type === "number" ? "number" : "string"
-  }
-
-  const refresh = async () => {
-    if (schemaLoaded && !nestedProvider) {
-      fetchData(
-        dataSource,
-        schema,
-        query,
-        limit,
-        currentSortColumn,
-        currentSortOrder,
-        sortType,
-        paginate
-      )
-    }
-  }
-
-  const fetchData = async (
-    dataSource,
-    schema,
-    query,
-    limit,
-    sortColumn,
-    sortOrder,
-    sortType,
-    paginate
-  ) => {
-    loading = true
-    if (dataSource?.type === "table") {
-      // Sanity check sort column, as using a non-existant column will prevent
-      // results coming back at all
-      const sort = schema?.[sortColumn] ? sortColumn : undefined
-
-      // For internal tables we use server-side processing
-      const res = await API.searchTable({
-        tableId: dataSource.tableId,
-        query,
-        limit,
-        sort,
-        sortOrder: sortOrder?.toLowerCase() ?? "ascending",
-        sortType,
-        paginate,
-      })
-      pageNumber = 0
-      allRows = res.rows
-      if (res.hasNextPage) {
-        bookmarks = [null, res.bookmark]
-      } else {
-        bookmarks = [null]
-      }
-    } else if (dataSource?.type === "provider") {
-      // For providers referencing another provider, just use the rows it
-      // provides
-      allRows = dataSource?.value?.rows || []
-    } else if (dataSource?.type === "field") {
-      // Field sources will be available from context.
-      // Enrich non object elements into object to ensure a valid schema.
-      const data = dataSource?.value || []
-      if (Array.isArray(data) && data[0] && typeof data[0] !== "object") {
-        allRows = data.map(value => ({ value }))
-      } else {
-        allRows = data
-      }
-    } else {
-      // For other data sources like queries or views, fetch all rows from the
-      // server
-      allRows = await API.fetchDatasource(dataSource)
-    }
-    loading = false
-    loaded = true
-  }
-
-  const getSchema = async dataSource => {
-    let newSchema = (await API.fetchDatasourceSchema(dataSource)) || {}
-
-    // Ensure there are "name" properties for all fields and that field schema
-    // are objects
-    Object.entries(newSchema).forEach(([fieldName, fieldSchema]) => {
-      if (typeof fieldSchema === "string") {
-        newSchema[fieldName] = {
-          type: fieldSchema,
-          name: fieldName,
-        }
-      } else {
-        newSchema[fieldName] = {
-          ...fieldSchema,
-          name: fieldName,
-        }
-      }
-    })
-    schema = newSchema
-    schemaLoaded = true
-  }
-
-  const nextPage = async () => {
-    if (!hasNextPage || !internalTable) {
-      return
-    }
-    const sort = schema?.[currentSortColumn] ? currentSortColumn : undefined
-    const res = await API.searchTable({
-      tableId: dataSource?.tableId,
-      query,
-      bookmark: bookmarks[pageNumber + 1],
-      limit,
-      sort,
-      sortOrder: currentSortOrder?.toLowerCase() ?? "ascending",
-      sortType,
-      paginate: true,
-    })
-    pageNumber++
-    allRows = res.rows
-    if (res.hasNextPage) {
-      bookmarks[pageNumber + 1] = res.bookmark
-    }
-  }
-
-  const prevPage = async () => {
-    if (!hasPrevPage || !internalTable) {
-      return
-    }
-    const sort = schema?.[currentSortColumn] ? currentSortColumn : undefined
-    const res = await API.searchTable({
-      tableId: dataSource?.tableId,
-      query,
-      bookmark: bookmarks[pageNumber - 1],
-      limit,
-      sort,
-      sortOrder: currentSortOrder?.toLowerCase() ?? "ascending",
-      sortType,
-      paginate: true,
-    })
-    pageNumber--
-    allRows = res.rows
-  }
-
-  const addQueryExtension = (key, extension) => {
-    if (!key || !extension) {
-      return
-    }
-    queryExtensions = { ...queryExtensions, [key]: extension }
-  }
-
-  const removeQueryExtension = key => {
-    if (!key) {
-      return
-    }
-    const newQueryExtensions = { ...queryExtensions }
-    delete newQueryExtensions[key]
-    queryExtensions = newQueryExtensions
-  }
-
-  const extendQuery = (defaultQuery, extensions) => {
-    const extensionValues = Object.values(extensions || {})
-    let extendedQuery = { ...defaultQuery }
-    extensionValues.forEach(extension => {
-      Object.entries(extension || {}).forEach(([operator, fields]) => {
-        extendedQuery[operator] = {
-          ...extendedQuery[operator],
-          ...fields,
-        }
-      })
-    })
-
-    if (JSON.stringify(query) !== JSON.stringify(extendedQuery)) {
-      query = extendedQuery
-    }
-  }
-</script>
-
-<div use:styleable={$component.styles} class="container">
-  <Provider {actions} data={dataContext}>
-    {#if !loaded}
-      <div class="loading">
-        <ProgressCircle />
-      </div>
-    {:else}
-      {#if $component.emptyState}
-        <Placeholder />
-      {:else}
-        <slot />
-      {/if}
-      {#if paginate && internalTable}
-        <div class="pagination">
-          <Pagination
-            page={pageNumber + 1}
-            {hasPrevPage}
-            {hasNextPage}
-            goToPrevPage={prevPage}
-            goToNextPage={nextPage}
-          />
-        </div>
-      {/if}
-    {/if}
-  </Provider>
-</div>
-
-<style>
-  .container {
-    display: flex;
-    flex-direction: column;
-    justify-content: flex-start;
-    align-items: stretch;
-  }
-  .loading {
-    display: flex;
-    flex-direction: row;
-    justify-content: center;
-    align-items: center;
-    height: 100px;
-  }
-  .pagination {
-    display: flex;
-    flex-direction: row;
-    justify-content: flex-end;
-    align-items: center;
-    margin-top: var(--spacing-xl);
-  }
-</style>