Add initial support for query datasources in grids

packages/client/manifest.json

@@ -5545,12 +5545,11 @@
       "width": 600,
       "height": 400
     },
-    "info": "Grid Blocks are only compatible with internal or SQL tables",
     "settings": [
       {
-        "type": "table",
+        "type": "dataSource",
         "label": "Data",
-        "key": "table",
+        "key": "datasource",
         "required": true
       },
       {

packages/client/src/components/app/GridBlock.svelte

@@ -4,7 +4,7 @@
   import { getContext } from "svelte"
   import { Grid } from "@budibase/frontend-core"
 
-  export let table
+  export let datasource
   export let allowAddRows = true
   export let allowEditRows = true
   export let allowDeleteRows = true
@@ -15,6 +15,9 @@
   export let fixedRowHeight = null
   export let columns = null
 
+  // Legacy settings
+  export let table
+
   const component = getContext("component")
   const { styleable, API, builderStore, notificationStore } = getContext("sdk")
 
@@ -38,7 +41,7 @@
   class:in-builder={$builderStore.inBuilder}
 >
   <Grid
-    datasource={table}
+    datasource={datasource || table}
     {API}
     {stripeRows}
     {initialFilter}

packages/frontend-core/src/components/grid/cells/DataCell.svelte

@@ -34,7 +34,7 @@
     column.schema.autocolumn ||
     column.schema.disabled ||
     column.schema.type === "formula" ||
-    (!$config.canEditRows && row._id)
+    (!$config.canEditRows && !row._isNewRow)
 
   // Register this cell API if the row is focused
   $: {

packages/frontend-core/src/components/grid/layout/NewRow.svelte

@@ -33,7 +33,7 @@
 
   let visible = false
   let isAdding = false
-  let newRow = {}
+  let newRow = { _isNewRow: true }
   let offset = 0
 
   $: firstColumn = $stickyColumn || $renderedColumns[0]
@@ -58,7 +58,9 @@
 
     // Create row
     const newRowIndex = offset ? undefined : 0
-    const savedRow = await rows.actions.addRow(newRow, newRowIndex)
+    let rowToCreate = { ...newRow }
+    delete rowToCreate._isNewRow
+    const savedRow = await rows.actions.addRow(rowToCreate, newRowIndex)
     if (savedRow) {
       // Reset state
       clear()

packages/frontend-core/src/components/grid/stores/config.js

@@ -37,9 +37,10 @@ export const deriveStores = context => {
     [props, hasNonAutoColumn],
     ([$props, $hasNonAutoColumn]) => {
       let config = { ...$props }
+      const type = $props.datasource?.type
 
       // Disable some features if we're editing a view
-      if ($props.datasource?.type === "viewV2") {
+      if (type === "viewV2") {
         config.canEditColumns = false
       }
 
@@ -48,6 +49,14 @@ export const deriveStores = context => {
         config.canAddRows = false
       }
 
+      // Disable features for non DS+
+      if (!["table", "viewV2"].includes(type)) {
+        config.canAddRows = false
+        config.canEditRows = false
+        config.canDeleteRows = false
+        config.canExpandRows = false
+      }
+
       return config
     }
   )

packages/frontend-core/src/components/grid/stores/datasource.js

@@ -1,4 +1,5 @@
 import { derived, get, writable } from "svelte/store"
+import { getDatasourceDefinition } from "../../../fetch"
 
 export const createStores = () => {
   const definition = writable(null)
@@ -19,6 +20,14 @@ export const deriveStores = context => {
       }
       let newSchema = { ...$definition?.schema }
 
+      // Ensure schema is configured as objects.
+      // Certain datasources like queries use primitives.
+      Object.keys(newSchema).forEach(key => {
+        if (typeof newSchema[key] !== "object") {
+          newSchema[key] = { type: newSchema[key] }
+        }
+      })
+
       // Apply schema overrides
       Object.keys($schemaOverrides || {}).forEach(field => {
         if (newSchema[field]) {
@@ -48,7 +57,16 @@ export const deriveStores = context => {
 }
 
 export const createActions = context => {
-  const { datasource, definition, config, dispatch, table, viewV2 } = context
+  const {
+    API,
+    datasource,
+    definition,
+    config,
+    dispatch,
+    table,
+    viewV2,
+    query,
+  } = context
 
   // Gets the appropriate API for the configured datasource type
   const getAPI = () => {
@@ -58,6 +76,8 @@ export const createActions = context => {
         return table
       case "viewV2":
         return viewV2
+      case "query":
+        return query
       default:
         return null
     }
@@ -65,7 +85,8 @@ export const createActions = context => {
 
   // Refreshes the datasource definition
   const refreshDefinition = async () => {
-    return await getAPI()?.actions.refreshDefinition()
+    const def = await getDatasourceDefinition({ API, datasource })
+    definition.set(def)
   }
 
   // Saves the datasource definition

packages/frontend-core/src/components/grid/stores/index.js

@@ -17,6 +17,7 @@ import * as Filter from "./filter"
 import * as Notifications from "./notifications"
 import * as Table from "./table"
 import * as ViewV2 from "./viewV2"
+import * as Query from "./query"
 import * as Datasource from "./datasource"
 
 const DependencyOrderedStores = [
@@ -26,6 +27,7 @@ const DependencyOrderedStores = [
   Scroll,
   Table,
   ViewV2,
+  Query,
   Datasource,
   Columns,
   Rows,

packages/frontend-core/src/components/grid/stores/query.js

@@ -0,0 +1,108 @@
+import { get } from "svelte/store"
+
+export const createActions = context => {
+  const { API, columns, stickyColumn } = context
+
+  const saveDefinition = async newDefinition => {
+    await API.saveQuery(newDefinition)
+  }
+
+  const saveRow = async () => {
+    throw "Rows cannot be updated through queries"
+  }
+
+  const deleteRows = async () => {
+    throw "Rows cannot be deleted through queries"
+  }
+
+  const getRow = () => {
+    throw "Queries don't support fetching individual rows"
+  }
+
+  const isDatasourceValid = datasource => {
+    return datasource?.type === "query" && datasource?._id
+  }
+
+  const canUseColumn = name => {
+    const $columns = get(columns)
+    const $sticky = get(stickyColumn)
+    return $columns.some(col => col.name === name) || $sticky?.name === name
+  }
+
+  return {
+    query: {
+      actions: {
+        saveDefinition,
+        addRow: saveRow,
+        updateRow: saveRow,
+        deleteRows,
+        getRow,
+        isDatasourceValid,
+        canUseColumn,
+      },
+    },
+  }
+}
+
+export const initialise = context => {
+  const {
+    datasource,
+    sort,
+    filter,
+    query,
+    initialFilter,
+    initialSortColumn,
+    initialSortOrder,
+    fetch,
+  } = context
+
+  // Keep a list of subscriptions so that we can clear them when the datasource
+  // config changes
+  let unsubscribers = []
+
+  // Observe datasource changes and apply logic for view V2 datasources
+  datasource.subscribe($datasource => {
+    // Clear previous subscriptions
+    unsubscribers?.forEach(unsubscribe => unsubscribe())
+    unsubscribers = []
+    if (!query.actions.isDatasourceValid($datasource)) {
+      return
+    }
+
+    // Wipe state
+    filter.set(get(initialFilter))
+    sort.set({
+      column: get(initialSortColumn),
+      order: get(initialSortOrder) || "ascending",
+    })
+
+    // Update fetch when filter changes
+    unsubscribers.push(
+      filter.subscribe($filter => {
+        // Ensure we're updating the correct fetch
+        const $fetch = get(fetch)
+        if ($fetch?.options?.datasource?._id !== $datasource._id) {
+          return
+        }
+        $fetch.update({
+          filter: $filter,
+        })
+      })
+    )
+
+    // Update fetch when sorting changes
+    unsubscribers.push(
+      sort.subscribe($sort => {
+        // Ensure we're updating the correct fetch
+        const $fetch = get(fetch)
+        if ($fetch?.options?.datasource?._id !== $datasource._id) {
+          return
+        }
+        $fetch.update({
+          sortOrder: $sort.order || "ascending",
+          sortColumn: $sort.column,
+        })
+      })
+    )
+  })
+}

packages/frontend-core/src/components/grid/stores/rows.js

@@ -1,7 +1,8 @@
 import { writable, derived, get } from "svelte/store"
-import { fetchData } from "../../../fetch/fetchData"
+import { fetchData } from "../../../fetch"
 import { NewRowID, RowPageSize } from "../lib/constants"
 import { tick } from "svelte"
+import { Helpers } from "@budibase/bbui"
 
 export const createStores = () => {
   const rows = writable([])
@@ -413,6 +414,13 @@ export const createActions = context => {
     let newRow
     for (let i = 0; i < newRows.length; i++) {
       newRow = newRows[i]
+
+      // Ensure we have a unique _id.
+      // This means generating one for non DS+.
+      if (!newRow._id) {
+        newRow._id = Helpers.hashString(JSON.stringify(newRow))
+      }
+
       if (!rowCacheMap[newRow._id]) {
         rowCacheMap[newRow._id] = true
         rowsToAppend.push(newRow)

packages/frontend-core/src/components/grid/stores/table.js

@@ -3,11 +3,7 @@ import { get } from "svelte/store"
 const SuppressErrors = true
 
 export const createActions = context => {
-  const { definition, API, datasource, columns, stickyColumn } = context
-
-  const refreshDefinition = async () => {
-    definition.set(await API.fetchTableDefinition(get(datasource).tableId))
-  }
+  const { API, datasource, columns, stickyColumn } = context
 
   const saveDefinition = async newDefinition => {
     await API.saveTable(newDefinition)
@@ -52,7 +48,6 @@ export const createActions = context => {
   return {
     table: {
       actions: {
-        refreshDefinition,
         saveDefinition,
         addRow: saveRow,
         updateRow: saveRow,

packages/frontend-core/src/components/grid/stores/viewV2.js

@@ -3,20 +3,7 @@ import { get } from "svelte/store"
 const SuppressErrors = true
 
 export const createActions = context => {
-  const { definition, API, datasource, columns, stickyColumn } = context
-
-  const refreshDefinition = async () => {
-    const $datasource = get(datasource)
-    if (!$datasource) {
-      definition.set(null)
-      return
-    }
-    const table = await API.fetchTableDefinition($datasource.tableId)
-    const view = Object.values(table?.views || {}).find(
-      view => view.id === $datasource.id
-    )
-    definition.set(view)
-  }
+  const { API, datasource, columns, stickyColumn } = context
 
   const saveDefinition = async newDefinition => {
     await API.viewV2.update(newDefinition)
@@ -61,7 +48,6 @@ export const createActions = context => {
   return {
     viewV2: {
       actions: {
-        refreshDefinition,
         saveDefinition,
         addRow: saveRow,
         updateRow: saveRow,

packages/frontend-core/src/fetch/index.js

@@ -24,7 +24,18 @@ const DataFetchMap = {
   jsonarray: JSONArrayFetch,
 }
 
+// Constructs a new fetch model for a certain datasource
 export const fetchData = ({ API, datasource, options }) => {
   const Fetch = DataFetchMap[datasource?.type] || TableFetch
   return new Fetch({ API, datasource, ...options })
 }
+
+// Fetches the definition of any type of datasource
+export const getDatasourceDefinition = async ({ API, datasource }) => {
+  const handler = DataFetchMap[datasource?.type]
+  if (!handler) {
+    return null
+  }
+  const instance = new handler({ API })
+  return await instance.getDefinition(datasource)
+}

packages/frontend-core/src/index.js

@@ -1,5 +1,5 @@
 export { createAPIClient } from "./api"
-export { fetchData } from "./fetch/fetchData"
+export { fetchData } from "./fetch"
 export { Utils } from "./utils"
 export * as Constants from "./constants"
 export * from "./stores"