Remove old reference implementation of data provider component

This commit is contained in:
Andrew Kingston 2021-12-17 10:37:26 +00:00
parent a967a07091
commit 04928b3c05
1 changed files with 0 additions and 361 deletions

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@ -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>