Merge remote-tracking branch 'origin/develop' into feature/map-component

lerna.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.0.80-alpha.3",
+  "version": "1.0.81-alpha.4",
   "npmClient": "yarn",
   "packages": [
     "packages/*"

packages/backend-core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@budibase/backend-core",
-  "version": "1.0.80-alpha.3",
+  "version": "1.0.81-alpha.4",
   "description": "Budibase backend core libraries used in server and worker",
   "main": "src/index.js",
   "author": "Budibase",

packages/bbui/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@budibase/bbui",
   "description": "A UI solution used in the different Budibase projects.",
-  "version": "1.0.80-alpha.3",
+  "version": "1.0.81-alpha.4",
   "license": "MPL-2.0",
   "svelte": "src/index.js",
   "module": "dist/bbui.es.js",
@@ -38,7 +38,7 @@
   ],
   "dependencies": {
     "@adobe/spectrum-css-workflow-icons": "^1.2.1",
-    "@budibase/string-templates": "^1.0.80-alpha.3",
+    "@budibase/string-templates": "^1.0.81-alpha.4",
     "@spectrum-css/actionbutton": "^1.0.1",
     "@spectrum-css/actiongroup": "^1.0.1",
     "@spectrum-css/avatar": "^3.0.2",

packages/builder/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@budibase/builder",
-  "version": "1.0.80-alpha.3",
+  "version": "1.0.81-alpha.4",
   "license": "GPL-3.0",
   "private": true,
   "scripts": {
@@ -65,10 +65,10 @@
     }
   },
   "dependencies": {
-    "@budibase/bbui": "^1.0.80-alpha.3",
+    "@budibase/bbui": "^1.0.81-alpha.4",
-    "@budibase/client": "^1.0.80-alpha.3",
+    "@budibase/client": "^1.0.81-alpha.4",
-    "@budibase/frontend-core": "^1.0.80-alpha.3",
+    "@budibase/frontend-core": "^1.0.81-alpha.4",
-    "@budibase/string-templates": "^1.0.80-alpha.3",
+    "@budibase/string-templates": "^1.0.81-alpha.4",
     "@sentry/browser": "5.19.1",
     "@spectrum-css/page": "^3.0.1",
     "@spectrum-css/vars": "^3.0.1",

packages/builder/src/builderStore/dataBinding.js

@@ -331,7 +331,9 @@ const getSelectedRowsBindings = asset => {
     bindings = bindings.concat(
       tables.map(table => ({
         type: "context",
-        runtimeBinding: `${safeState}.${makePropSafe(table._id)}`,
+        runtimeBinding: `${safeState}.${makePropSafe(table._id)}.${makePropSafe(
+          "selectedRows"
+        )}`,
         readableBinding: `${table._instanceName}.Selected rows`,
       }))
     )
@@ -343,7 +345,9 @@ const getSelectedRowsBindings = asset => {
     bindings = bindings.concat(
       tableBlocks.map(block => ({
         type: "context",
-        runtimeBinding: `${safeState}.${makePropSafe(block._id + "-table")}`,
+        runtimeBinding: `${safeState}.${makePropSafe(
+          block._id + "-table"
+        )}.${makePropSafe("selectedRows")}`,
         readableBinding: `${block._instanceName}.Selected rows`,
       }))
     )

packages/builder/src/components/backend/DatasourceNavigator/modals/DatasourceConfigModal.svelte

@@ -20,7 +20,9 @@
       $goto(`./datasource/${resp._id}`)
       notifications.success(`Datasource updated successfully.`)
     } catch (err) {
-      notifications.error("Error saving datasource")
+      notifications.error(err?.message ?? "Error saving datasource")
+      // prevent the modal from closing
+      return false
     }
   }
 

packages/builder/src/components/design/AppPreview/CurrentItemPreview.svelte

@@ -134,8 +134,9 @@
 
   // Remove all iframe event listeners on component destroy
   onDestroy(() => {
-    if (iframe.contentWindow) {
     window.removeEventListener("message", receiveMessage)
+
+    if (iframe.contentWindow) {
       if (!$store.clientFeatures.messagePassing) {
         // Legacy - remove in later versions of BB
         iframe.contentWindow.removeEventListener(

packages/builder/src/components/design/PropertiesPanel/PropertyControls/ButtonActionEditor/actions/ExportData.svelte

@@ -0,0 +1,86 @@
+<script>
+  import { Label, Select, Body } from "@budibase/bbui"
+  import { findAllMatchingComponents } from "builderStore/componentUtils"
+  import { currentAsset } from "builderStore"
+  import { onMount } from "svelte"
+
+  export let parameters
+
+  $: tables = findAllMatchingComponents($currentAsset?.props, component =>
+    component._component.endsWith("table")
+  ).map(table => ({
+    label: table._instanceName,
+    value: table._id,
+  }))
+
+  $: tableBlocks = findAllMatchingComponents($currentAsset?.props, component =>
+    component._component.endsWith("tableblock")
+  ).map(block => ({
+    label: block._instanceName,
+    value: `${block._id}-table`,
+  }))
+
+  $: componentOptions = tables.concat(tableBlocks)
+
+  const FORMATS = [
+    {
+      label: "CSV",
+      value: "csv",
+    },
+    {
+      label: "JSON",
+      value: "json",
+    },
+  ]
+
+  onMount(() => {
+    if (!parameters.type) {
+      parameters.type = "csv"
+    }
+  })
+</script>
+
+<div class="root">
+  <Body size="S">
+    Choose the table component that you would like to export your row selection
+    from.
+    <br />
+    Please ensure you have enabled row selection in the table settings.
+  </Body>
+
+  <div class="params">
+    <Label small>Table</Label>
+    <Select
+      bind:value={parameters.tableComponentId}
+      options={componentOptions}
+    />
+
+    <Label small>Export as</Label>
+    <Select bind:value={parameters.type} options={FORMATS} />
+  </div>
+</div>
+
+<style>
+  .root {
+    width: 100%;
+    max-width: 500px;
+    margin: 0 auto;
+    display: flex;
+    flex-direction: column;
+    justify-content: flex-start;
+    align-items: stretch;
+    gap: var(--spacing-xl);
+  }
+
+  .root :global(p) {
+    line-height: 1.5;
+  }
+
+  .params {
+    display: grid;
+    column-gap: var(--spacing-xs);
+    row-gap: var(--spacing-s);
+    grid-template-columns: 70px 1fr;
+    align-items: center;
+  }
+</style>

packages/builder/src/components/design/PropertiesPanel/PropertyControls/ButtonActionEditor/actions/index.js

@@ -12,3 +12,4 @@ export { default as UpdateState } from "./UpdateState.svelte"
 export { default as RefreshDataProvider } from "./RefreshDataProvider.svelte"
 export { default as DuplicateRow } from "./DuplicateRow.svelte"
 export { default as S3Upload } from "./S3Upload.svelte"
+export { default as ExportData } from "./ExportData.svelte"

packages/builder/src/components/design/PropertiesPanel/PropertyControls/ButtonActionEditor/manifest.json

@@ -80,6 +80,10 @@
           "value": "publicUrl"
         }
       ]
+    },
+    {
+      "name": "Export Data",
+      "component": "ExportData"
     }
   ]
 }

packages/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@budibase/cli",
-  "version": "1.0.80-alpha.3",
+  "version": "1.0.81-alpha.4",
   "description": "Budibase CLI, for developers, self hosting and migrations.",
   "main": "src/index.js",
   "bin": {

packages/client/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@budibase/client",
-  "version": "1.0.80-alpha.3",
+  "version": "1.0.81-alpha.4",
   "license": "MPL-2.0",
   "module": "dist/budibase-client.js",
   "main": "dist/budibase-client.js",
@@ -19,9 +19,9 @@
     "dev:builder": "rollup -cw"
   },
   "dependencies": {
-    "@budibase/bbui": "^1.0.80-alpha.3",
+    "@budibase/bbui": "^1.0.80-alpha.6",
-    "@budibase/frontend-core": "^1.0.80-alpha.3",
+    "@budibase/frontend-core": "^1.0.80-alpha.6",
-    "@budibase/string-templates": "^1.0.80-alpha.3",
+    "@budibase/string-templates": "^1.0.80-alpha.6",
     "@spectrum-css/button": "^3.0.3",
     "@spectrum-css/card": "^3.0.3",
     "@spectrum-css/divider": "^1.0.3",
@@ -33,6 +33,7 @@
     "apexcharts": "^3.22.1",
     "dayjs": "^1.10.5",
     "leaflet": "^1.7.1",
+    "downloadjs": "1.4.7",
     "regexparam": "^1.3.0",
     "rollup-plugin-polyfill-node": "^0.8.0",
     "screenfull": "^6.0.1",

packages/client/src/components/app/forms/S3Upload.svelte

@@ -81,7 +81,10 @@
       loading = false
       return res
     } catch (error) {
-      notificationStore.actions.error(`Error uploading file: ${error}`)
+      notificationStore.actions.error(
+        `Error uploading file: ${error?.message || error}`
+      )
+      loading = false
     }
   }
 

packages/client/src/components/app/table/Table.svelte

@@ -42,6 +42,7 @@
   $: {
     rowSelectionStore.actions.updateSelection(
       $component.id,
+      selectedRows.length ? selectedRows[0].tableId : "",
       selectedRows.map(row => row._id)
     )
   }

packages/client/src/stores/rowSelection.js

@@ -1,20 +1,29 @@
-import { writable } from "svelte/store"
+import { get, writable } from "svelte/store"
 
 const createRowSelectionStore = () => {
   const store = writable({})
 
-  function updateSelection(componentId, selectedRows) {
+  function updateSelection(componentId, tableId, selectedRows) {
     store.update(state => {
-      state[componentId] = [...selectedRows]
+      state[componentId] = { tableId: tableId, selectedRows: selectedRows }
       return state
     })
   }
 
+  function getSelection(tableComponentId) {
+    const selection = get(store)
+    const componentId = Object.keys(selection).find(
+      componentId => componentId === tableComponentId
+    )
+    return selection[componentId] || {}
+  }
+
   return {
     subscribe: store.subscribe,
     set: store.set,
     actions: {
       updateSelection,
+      getSelection,
     },
   }
 }

packages/client/src/utils/buttonActions.js

@@ -1,4 +1,5 @@
 import { get } from "svelte/store"
+import download from "downloadjs"
 import {
   routeStore,
   builderStore,
@@ -8,6 +9,7 @@ import {
   notificationStore,
   dataSourceStore,
   uploadStore,
+  rowSelectionStore,
 } from "stores"
 import { API } from "api"
 import { ActionTypes } from "constants"
@@ -239,6 +241,26 @@ const s3UploadHandler = async action => {
   }
 }
 
+const exportDataHandler = async action => {
+  let selection = rowSelectionStore.actions.getSelection(
+    action.parameters.tableComponentId
+  )
+  if (selection.selectedRows && selection.selectedRows.length > 0) {
+    try {
+      const data = await API.exportRows({
+        tableId: selection.tableId,
+        rows: selection.selectedRows,
+      })
+
+      download(JSON.stringify(data), `export.${action.parameters.type}`)
+    } catch (error) {
+      notificationStore.actions.error("There was an error exporting the data")
+    }
+  } else {
+    notificationStore.actions.error("Please select at least one row")
+  }
+}
+
 const handlerMap = {
   ["Save Row"]: saveRowHandler,
   ["Duplicate Row"]: duplicateRowHandler,
@@ -254,6 +276,7 @@ const handlerMap = {
   ["Change Form Step"]: changeFormStepHandler,
   ["Update State"]: updateStateHandler,
   ["Upload File to S3"]: s3UploadHandler,
+  ["Export Data"]: exportDataHandler,
 }
 
 const confirmTextMap = {

packages/frontend-core/package.json

@@ -1,12 +1,12 @@
 {
   "name": "@budibase/frontend-core",
-  "version": "1.0.80-alpha.3",
+  "version": "1.0.81-alpha.4",
   "description": "Budibase frontend core libraries used in builder and client",
   "author": "Budibase",
   "license": "MPL-2.0",
   "svelte": "src/index.js",
   "dependencies": {
-    "@budibase/bbui": "^1.0.80-alpha.3",
+    "@budibase/bbui": "^1.0.81-alpha.4",
     "lodash": "^4.17.21",
     "svelte": "^3.46.2"
   }

packages/frontend-core/src/api/attachments.js

@@ -1,4 +1,20 @@
-export const buildAttachmentEndpoints = API => ({
+export const buildAttachmentEndpoints = API => {
+  /**
+   * Generates a signed URL to upload a file to an external datasource.
+   * @param datasourceId the ID of the datasource to upload to
+   * @param bucket the name of the bucket to upload to
+   * @param key the name of the file to upload to
+   */
+  const getSignedDatasourceURL = async ({ datasourceId, bucket, key }) => {
+    return await API.post({
+      url: `/api/attachments/${datasourceId}/url`,
+      body: { bucket, key },
+    })
+  }
+
+  return {
+    getSignedDatasourceURL,
+
     /**
      * Uploads an attachment to the server.
      * @param data the attachment to upload
@@ -24,19 +40,6 @@ export const buildAttachmentEndpoints = API => ({
       })
     },
 
-  /**
-   * Generates a signed URL to upload a file to an external datasource.
-   * @param datasourceId the ID of the datasource to upload to
-   * @param bucket the name of the bucket to upload to
-   * @param key the name of the file to upload to
-   */
-  getSignedDatasourceURL: async ({ datasourceId, bucket, key }) => {
-    return await API.post({
-      url: `/api/attachments/${datasourceId}/url`,
-      body: { bucket, key },
-    })
-  },
-
     /**
      * Uploads a file to an external datasource.
      * @param datasourceId the ID of the datasource to upload to
@@ -45,7 +48,8 @@ export const buildAttachmentEndpoints = API => ({
      * @param data the file to upload
      */
     externalUpload: async ({ datasourceId, bucket, key, data }) => {
-    const { signedUrl, publicUrl } = await API.getSignedDatasourceURL({
+      console.log(API)
+      const { signedUrl, publicUrl } = await getSignedDatasourceURL({
         datasourceId,
         bucket,
         key,
@@ -58,4 +62,5 @@ export const buildAttachmentEndpoints = API => ({
       })
       return { publicUrl }
     },
-})
+  }
+}

packages/frontend-core/src/api/rows.js

@@ -60,4 +60,18 @@ export const buildRowEndpoints = API => ({
       },
     })
   },
+
+  /**
+   * Exports rows.
+   * @param tableId the table ID to export the rows from
+   * @param rows the array of rows to export
+   */
+  exportRows: async ({ tableId, rows }) => {
+    return await API.post({
+      url: `/api/${tableId}/rows/exportRows`,
+      body: {
+        rows,
+      },
+    })
+  },
 })

packages/server/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@budibase/server",
   "email": "hi@budibase.com",
-  "version": "1.0.80-alpha.3",
+  "version": "1.0.81-alpha.4",
   "description": "Budibase Web Server",
   "main": "src/index.ts",
   "repository": {
@@ -71,9 +71,9 @@
   "license": "GPL-3.0",
   "dependencies": {
     "@apidevtools/swagger-parser": "^10.0.3",
-    "@budibase/backend-core": "^1.0.80-alpha.3",
+    "@budibase/backend-core": "^1.0.81-alpha.4",
-    "@budibase/client": "^1.0.80-alpha.3",
+    "@budibase/client": "^1.0.81-alpha.4",
-    "@budibase/string-templates": "^1.0.80-alpha.3",
+    "@budibase/string-templates": "^1.0.81-alpha.4",
     "@bull-board/api": "^3.7.0",
     "@bull-board/koa": "^3.7.0",
     "@elastic/elasticsearch": "7.10.0",

packages/server/src/api/controllers/row/external.js

@@ -152,6 +152,27 @@ exports.validate = async () => {
   return { valid: true }
 }
 
+exports.exportRows = async ctx => {
+  const { datasourceId, tableName } = breakExternalTableId(ctx.params.tableId)
+  const db = getAppDB()
+  const datasource = await db.get(datasourceId)
+  if (!datasource || !datasource.entities) {
+    ctx.throw(400, "Datasource has not been configured for plus API.")
+  }
+  const tables = datasource.entities
+  const table = tables[tableName]
+  ctx.request.body = {
+    query: {
+      oneOf: {
+        [table.primaryDisplay]: ctx.request.body.map(
+          id => breakRowIdField(id)[0]
+        ),
+      },
+    },
+  }
+  return exports.search(ctx)
+}
+
 exports.fetchEnrichedRow = async ctx => {
   const id = ctx.params.rowId
   const tableId = ctx.params.tableId

packages/server/src/api/controllers/row/index.js

@@ -137,3 +137,12 @@ exports.fetchEnrichedRow = async function (ctx) {
     ctx.throw(400, err)
   }
 }
+
+exports.export = async function (ctx) {
+  const tableId = getTableId(ctx)
+  try {
+    ctx.body = await pickApi(tableId).exportRows(ctx)
+  } catch (err) {
+    ctx.throw(400, err)
+  }
+}

packages/server/src/api/controllers/row/internal.js

@@ -362,6 +362,22 @@ exports.validate = async ctx => {
   })
 }
 
+exports.exportRows = async ctx => {
+  const db = getAppDB()
+  const table = await db.get(ctx.params.tableId)
+  const rowIds = ctx.request.body.rows
+  let response = (
+    await db.allDocs({
+      include_docs: true,
+      keys: rowIds,
+    })
+  ).rows.map(row => row.doc)
+
+  let rows = await outputProcessing(table, response)
+
+  return rows
+}
+
 exports.fetchEnrichedRow = async ctx => {
   const db = getAppDB()
   const tableId = ctx.params.tableId

packages/server/src/api/controllers/table/external.js

@@ -25,7 +25,8 @@ async function makeTableRequest(
   operation,
   table,
   tables,
-  oldTable = null
+  oldTable = null,
+  renamed = null
 ) {
   const json = {
     endpoint: {
@@ -41,6 +42,9 @@ async function makeTableRequest(
   if (oldTable) {
     json.meta.table = oldTable
   }
+  if (renamed) {
+    json.meta.renamed = renamed
+  }
   return makeExternalQuery(datasource, json)
 }
 
@@ -160,6 +164,7 @@ function isRelationshipSetup(column) {
 
 exports.save = async function (ctx) {
   const table = ctx.request.body
+  const { _rename: renamed } = table
   // can't do this right now
   delete table.dataImport
   const datasourceId = getDatasourceId(ctx.request.body)
@@ -241,7 +246,14 @@ exports.save = async function (ctx) {
   const operation = oldTable
     ? DataSourceOperation.UPDATE_TABLE
     : DataSourceOperation.CREATE_TABLE
-  await makeTableRequest(datasource, operation, tableToSave, tables, oldTable)
+  await makeTableRequest(
+    datasource,
+    operation,
+    tableToSave,
+    tables,
+    oldTable,
+    renamed
+  )
   // update any extra tables (like foreign keys in other tables)
   for (let extraTable of extraTablesToUpdate) {
     const oldExtraTable = oldTables[extraTable.name]
@@ -258,6 +270,8 @@ exports.save = async function (ctx) {
     )
   }
 
+  // remove the rename prop
+  delete tableToSave._rename
   // store it into couch now for budibase reference
   datasource.entities[tableToSave.name] = tableToSave
   await db.put(datasource)

packages/server/src/api/routes/row.js

@@ -252,4 +252,25 @@ router
     rowController.destroy
   )
 
+  /**
+   * @api {post} /api/:tableId/rows/exportRows Export Rows
+   * @apiName Export rows
+   * @apiGroup rows
+   * @apiPermission table write access
+   * @apiDescription This API can export a number of provided rows
+   *
+   * @apiParam {string} tableId The ID of the table the row is to be deleted from.
+   *
+   * @apiParam (Body) {object[]} [rows] The row IDs which are to be exported
+   *
+   * @apiSuccess {object[]|object}
+   */
+  .post(
+    "/api/:tableId/rows/exportRows",
+    paramResource("tableId"),
+    authorized(PermissionTypes.TABLE, PermissionLevels.WRITE),
+    usage,
+    rowController.export
+  )
+
 module.exports = router

packages/server/src/definitions/datasource.ts

@@ -138,6 +138,11 @@ export interface PaginationJson {
   page?: string | number
 }
 
+export interface RenameColumn {
+  old: string
+  updated: string
+}
+
 export interface RelationshipsJson {
   through?: string
   from?: string
@@ -166,6 +171,7 @@ export interface QueryJson {
   meta?: {
     table?: Table
     tables?: Record<string, Table>
+    renamed: RenameColumn
   }
   extra?: {
     idFilter?: SearchFilters

packages/server/src/integrations/base/sqlTable.ts

@@ -1,6 +1,10 @@
 import { Knex, knex } from "knex"
 import { Table } from "../../definitions/common"
-import { Operation, QueryJson } from "../../definitions/datasource"
+import {
+  Operation,
+  QueryJson,
+  RenameColumn,
+} from "../../definitions/datasource"
 import { breakExternalTableId } from "../utils"
 import SchemaBuilder = Knex.SchemaBuilder
 import CreateTableBuilder = Knex.CreateTableBuilder
@@ -10,7 +14,8 @@ function generateSchema(
   schema: CreateTableBuilder,
   table: Table,
   tables: Record<string, Table>,
-  oldTable: null | Table = null
+  oldTable: null | Table = null,
+  renamed?: RenameColumn
 ) {
   let primaryKey = table && table.primary ? table.primary[0] : null
   const columns = Object.values(table.schema)
@@ -29,7 +34,11 @@ function generateSchema(
   for (let [key, column] of Object.entries(table.schema)) {
     // skip things that are already correct
     const oldColumn = oldTable ? oldTable.schema[key] : null
-    if ((oldColumn && oldColumn.type) || (primaryKey === key && !isJunction)) {
+    if (
+      (oldColumn && oldColumn.type) ||
+      (primaryKey === key && !isJunction) ||
+      renamed?.updated === key
+    ) {
       continue
     }
     switch (column.type) {
@@ -81,6 +90,10 @@ function generateSchema(
     }
   }
 
+  if (renamed) {
+    schema.renameColumn(renamed.old, renamed.updated)
+  }
+
   // need to check if any columns have been deleted
   if (oldTable) {
     const deletedColumns = Object.entries(oldTable.schema)
@@ -90,6 +103,9 @@ function generateSchema(
       )
       .map(([key]) => key)
     deletedColumns.forEach(key => {
+      if (renamed?.old === key) {
+        return
+      }
       if (oldTable.constrained && oldTable.constrained.indexOf(key) !== -1) {
         schema.dropForeign(key)
       }
@@ -114,10 +130,11 @@ function buildUpdateTable(
   knex: SchemaBuilder,
   table: Table,
   tables: Record<string, Table>,
-  oldTable: Table
+  oldTable: Table,
+  renamed: RenameColumn
 ): SchemaBuilder {
   return knex.alterTable(table.name, schema => {
-    generateSchema(schema, table, tables, oldTable)
+    generateSchema(schema, table, tables, oldTable, renamed)
   })
 }
 
@@ -167,7 +184,8 @@ class SqlTableQueryBuilder {
           client,
           json.table,
           json.meta.tables,
-          json.meta.table
+          json.meta.table,
+          json.meta.renamed
         )
         break
       case Operation.DELETE_TABLE:

packages/string-templates/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@budibase/string-templates",
-  "version": "1.0.80-alpha.3",
+  "version": "1.0.81-alpha.4",
   "description": "Handlebars wrapper for Budibase templating.",
   "main": "src/index.cjs",
   "module": "dist/bundle.mjs",

packages/worker/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@budibase/worker",
   "email": "hi@budibase.com",
-  "version": "1.0.80-alpha.3",
+  "version": "1.0.81-alpha.4",
   "description": "Budibase background service",
   "main": "src/index.ts",
   "repository": {
@@ -34,8 +34,8 @@
   "author": "Budibase",
   "license": "GPL-3.0",
   "dependencies": {
-    "@budibase/backend-core": "^1.0.80-alpha.3",
+    "@budibase/backend-core": "^1.0.81-alpha.4",
-    "@budibase/string-templates": "^1.0.80-alpha.3",
+    "@budibase/string-templates": "^1.0.81-alpha.4",
     "@koa/router": "^8.0.0",
     "@sentry/node": "^6.0.0",
     "@techpass/passport-openidconnect": "^0.3.0",