Remove old reference implementation of data provider component
This commit is contained in:
Andrew Kingston
parent
a967a07091
commit
04928b3c05
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@ -1,361 +0,0 @@
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<script>
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import { getContext } from "svelte"
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import { ProgressCircle, Pagination } from "@budibase/bbui"
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import {
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buildLuceneQuery,
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luceneQuery,
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luceneSort,
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luceneLimit,
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} from "builder/src/helpers/lucene"
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import Placeholder from "./Placeholder.svelte"
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import { fetchData } from "utils/fetch/fetchData.js"
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export let dataSource
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export let filter
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export let sortColumn
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export let sortOrder
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export let limit
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export let paginate
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const { API, styleable, Provider, ActionTypes } = getContext("sdk")
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const component = getContext("component")
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// Loading flag every time data is being fetched
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let loading = false
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// Loading flag for the initial load
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// Mark as loaded if we have no datasource so we don't stall forever
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let loaded = !dataSource
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let schemaLoaded = false
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// Provider state
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let rows = []
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let allRows = []
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let schema = {}
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let bookmarks = [null]
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let pageNumber = 0
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let query = null
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let queryExtensions = {}
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// Sorting can be overridden at run time, so we can't use the prop directly
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let currentSortColumn = sortColumn
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let currentSortOrder = sortOrder
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// Reset the current sort state to props if props change
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$: currentSortColumn = sortColumn
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$: currentSortOrder = sortOrder
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$: defaultQuery = buildLuceneQuery(filter)
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$: extendQuery(defaultQuery, queryExtensions)
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$: internalTable = dataSource?.type === "table"
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$: nestedProvider = dataSource?.type === "provider"
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$: hasNextPage = bookmarks[pageNumber + 1] != null
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$: hasPrevPage = pageNumber > 0
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$: getSchema(dataSource)
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$: sortType = getSortType(schema, currentSortColumn)
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// Wait until schema loads before loading data, so that we can determine
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// the correct sort type first time
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$: {
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if (schemaLoaded) {
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fetchData(
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dataSource,
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schema,
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query,
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limit,
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currentSortColumn,
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currentSortOrder,
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sortType,
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paginate
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)
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}
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}
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// Reactively filter and sort rows if required
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$: {
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if (internalTable) {
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// Internal tables are already processed server-side
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rows = allRows
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} else {
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// For anything else we use client-side implementations to filter, sort
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// and limit
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const filtered = luceneQuery(allRows, query)
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const sorted = luceneSort(
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filtered,
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currentSortColumn,
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currentSortOrder,
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sortType
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)
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rows = luceneLimit(sorted, limit)
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}
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}
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// Build our action context
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$: actions = [
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{
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type: ActionTypes.RefreshDatasource,
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callback: () => refresh(),
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metadata: { dataSource },
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},
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{
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type: ActionTypes.AddDataProviderQueryExtension,
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callback: addQueryExtension,
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},
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{
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type: ActionTypes.RemoveDataProviderQueryExtension,
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callback: removeQueryExtension,
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},
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{
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type: ActionTypes.SetDataProviderSorting,
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callback: ({ column, order }) => {
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if (column) {
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currentSortColumn = column
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}
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if (order) {
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currentSortOrder = order
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}
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},
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},
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]
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// Build our data context
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$: dataContext = {
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rows,
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schema,
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rowsLength: rows.length,
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// Undocumented properties. These aren't supposed to be used in builder
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// bindings, but are used internally by other components
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id: $component?.id,
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state: {
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query,
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sortColumn: currentSortColumn,
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sortOrder: currentSortOrder,
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},
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loaded,
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}
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const getSortType = (schema, sortColumn) => {
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if (!schema || !sortColumn || !schema[sortColumn]) {
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return "string"
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}
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const type = schema?.[sortColumn]?.type
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return type === "number" ? "number" : "string"
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}
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const refresh = async () => {
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if (schemaLoaded && !nestedProvider) {
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fetchData(
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dataSource,
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schema,
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query,
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limit,
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currentSortColumn,
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currentSortOrder,
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sortType,
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paginate
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)
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}
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}
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const fetchData = async (
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dataSource,
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schema,
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query,
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limit,
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sortColumn,
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sortOrder,
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sortType,
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paginate
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) => {
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loading = true
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if (dataSource?.type === "table") {
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// Sanity check sort column, as using a non-existant column will prevent
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// results coming back at all
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const sort = schema?.[sortColumn] ? sortColumn : undefined
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// For internal tables we use server-side processing
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const res = await API.searchTable({
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tableId: dataSource.tableId,
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query,
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limit,
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sort,
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sortOrder: sortOrder?.toLowerCase() ?? "ascending",
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sortType,
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paginate,
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})
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pageNumber = 0
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allRows = res.rows
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if (res.hasNextPage) {
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bookmarks = [null, res.bookmark]
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} else {
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bookmarks = [null]
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}
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} else if (dataSource?.type === "provider") {
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// For providers referencing another provider, just use the rows it
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// provides
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allRows = dataSource?.value?.rows || []
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} else if (dataSource?.type === "field") {
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// Field sources will be available from context.
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// Enrich non object elements into object to ensure a valid schema.
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const data = dataSource?.value || []
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if (Array.isArray(data) && data[0] && typeof data[0] !== "object") {
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allRows = data.map(value => ({ value }))
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} else {
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allRows = data
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}
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} else {
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// For other data sources like queries or views, fetch all rows from the
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// server
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allRows = await API.fetchDatasource(dataSource)
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}
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loading = false
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loaded = true
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}
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const getSchema = async dataSource => {
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let newSchema = (await API.fetchDatasourceSchema(dataSource)) || {}
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// Ensure there are "name" properties for all fields and that field schema
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// are objects
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Object.entries(newSchema).forEach(([fieldName, fieldSchema]) => {
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if (typeof fieldSchema === "string") {
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newSchema[fieldName] = {
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type: fieldSchema,
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name: fieldName,
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}
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} else {
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newSchema[fieldName] = {
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...fieldSchema,
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name: fieldName,
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}
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}
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})
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schema = newSchema
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schemaLoaded = true
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}
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const nextPage = async () => {
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if (!hasNextPage || !internalTable) {
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return
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}
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const sort = schema?.[currentSortColumn] ? currentSortColumn : undefined
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const res = await API.searchTable({
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tableId: dataSource?.tableId,
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query,
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bookmark: bookmarks[pageNumber + 1],
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limit,
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sort,
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sortOrder: currentSortOrder?.toLowerCase() ?? "ascending",
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sortType,
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paginate: true,
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})
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pageNumber++
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allRows = res.rows
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if (res.hasNextPage) {
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bookmarks[pageNumber + 1] = res.bookmark
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}
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}
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const prevPage = async () => {
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if (!hasPrevPage || !internalTable) {
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return
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}
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const sort = schema?.[currentSortColumn] ? currentSortColumn : undefined
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const res = await API.searchTable({
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tableId: dataSource?.tableId,
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query,
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bookmark: bookmarks[pageNumber - 1],
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limit,
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sort,
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sortOrder: currentSortOrder?.toLowerCase() ?? "ascending",
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sortType,
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paginate: true,
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})
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pageNumber--
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allRows = res.rows
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}
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const addQueryExtension = (key, extension) => {
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if (!key || !extension) {
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return
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}
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queryExtensions = { ...queryExtensions, [key]: extension }
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}
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const removeQueryExtension = key => {
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if (!key) {
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return
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}
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const newQueryExtensions = { ...queryExtensions }
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delete newQueryExtensions[key]
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queryExtensions = newQueryExtensions
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}
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const extendQuery = (defaultQuery, extensions) => {
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const extensionValues = Object.values(extensions || {})
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let extendedQuery = { ...defaultQuery }
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extensionValues.forEach(extension => {
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Object.entries(extension || {}).forEach(([operator, fields]) => {
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extendedQuery[operator] = {
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...extendedQuery[operator],
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...fields,
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}
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})
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})
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if (JSON.stringify(query) !== JSON.stringify(extendedQuery)) {
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query = extendedQuery
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}
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}
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</script>
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<div use:styleable={$component.styles} class="container">
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<Provider {actions} data={dataContext}>
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{#if !loaded}
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<div class="loading">
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<ProgressCircle />
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</div>
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{:else}
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{#if $component.emptyState}
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<Placeholder />
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{:else}
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<slot />
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{/if}
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{#if paginate && internalTable}
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<div class="pagination">
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<Pagination
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page={pageNumber + 1}
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{hasPrevPage}
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{hasNextPage}
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goToPrevPage={prevPage}
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goToNextPage={nextPage}
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/>
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</div>
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{/if}
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{/if}
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</Provider>
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</div>
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<style>
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.container {
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display: flex;
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flex-direction: column;
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justify-content: flex-start;
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align-items: stretch;
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}
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.loading {
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display: flex;
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flex-direction: row;
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justify-content: center;
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align-items: center;
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height: 100px;
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}
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.pagination {
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display: flex;
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flex-direction: row;
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justify-content: flex-end;
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align-items: center;
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margin-top: var(--spacing-xl);
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}
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</style>
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