Adding some work towards supporting full data source integration.

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

@@ -2,15 +2,33 @@ const CouchDB = require("../../../db")
 const { makeExternalQuery } = require("./utils")
 const { DataSourceOperation, SortDirection } = require("../../../constants")
 
-async function buildIDFilter(id) {
-  if (!id) {
-    return {}
+async function getTable(appId, datasourceId, tableName) {
+  const db = new CouchDB(appId)
+  const datasource = await db.get(datasourceId)
+  if (!datasource || !datasource.entities) {
+    throw "Datasource is not configured fully."
+  }
+  return Object.values(datasource.entities).find(
+    entity => entity.name === tableName
+  )
+}
+
+function buildIDFilter(id, table) {
+  if (!id || !table) {
+    return null
+  }
+  // if used as URL parameter it will have been joined
+  if (typeof id === "string") {
+    id = id.split(",")
+  }
+  const primary = table.primary
+  const equal = {}
+  for (let field of primary) {
+    // work through the ID and get the parts
+    equal[field] = id.shift()
   }
-  // TODO: work out how to use the schema to get filter
   return {
-    equal: {
-      id: id,
-    },
+    equal,
   }
 }
 
@@ -18,20 +36,22 @@ async function handleRequest(
   appId,
   operation,
   tableId,
-  { id, row, filters, sort, paginate }
+  { id, row, filters, sort, paginate } = {}
 ) {
-  let [datasourceId, tableName] = tableId.split("/")
-  let idFilter = buildIDFilter(id)
+  let [datasourceId, tableName] = tableId.split("_")
+  const table = await getTable(appId, datasourceId, tableName)
+  if (!table) {
+    throw `Unable to process query, table "${tableName}" not defined.`
+  }
+  // try and build an id filter if required
+  let idFilters = buildIDFilter(id)
   let json = {
     endpoint: {
       datasourceId,
       entityId: tableName,
       operation,
     },
-    filters: {
-      ...filters,
-      ...idFilter,
-    },
+    filters: idFilters != null ? idFilters : filters,
     sort,
     paginate,
     body: row,
@@ -65,15 +85,23 @@ exports.save = async ctx => {
 }
 
 exports.fetchView = async ctx => {
-  // TODO: don't know what this does for external
+  // there are no views in external data sources, shouldn't ever be called
+  ctx.throw(501, "Not implemented")
 }
 
-exports.fetchTableRows = async ctx => {
-  // TODO: this is a basic read?
+exports.fetch = async ctx => {
+  const appId = ctx.appId
+  const tableId = ctx.params.tableId
+  ctx.body = await handleRequest(appId, DataSourceOperation.READ, tableId)
 }
 
 exports.find = async ctx => {
-  // TODO: single find
+  const appId = ctx.appId
+  const id = ctx.params.rowId
+  const tableId = ctx.params.tableId
+  ctx.body = await handleRequest(appId, DataSourceOperation.READ, tableId, {
+    id,
+  })
 }
 
 exports.destroy = async ctx => {
@@ -85,7 +113,18 @@ exports.destroy = async ctx => {
 }
 
 exports.bulkDestroy = async ctx => {
-  // TODO: iterate through rows, build a large OR filter?
+  const appId = ctx.appId
+  const { rows } = ctx.request.body
+  const tableId = ctx.params.tableId
+  // TODO: this can probably be optimised to a single SQL statement in the future
+  let promises = []
+  for (let row of rows) {
+    promises.push(handleRequest(appId, DataSourceOperation.DELETE, tableId, {
+      id: row._id,
+    }))
+  }
+  await Promise.all(promises)
+  ctx.body = { response: { ok: true }, rows }
 }
 
 exports.search = async ctx => {
@@ -123,7 +162,6 @@ exports.validate = async ctx => {
 }
 
 exports.fetchEnrichedRow = async ctx => {
-  // TODO: should this join?
-  const appId = ctx.appId
-  ctx.body = {}
+  // TODO: How does this work
+  ctx.throw(501, "Not implemented")
 }

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

@@ -1,8 +1,11 @@
 const internal = require("./internal")
 const external = require("./external")
+const { DocumentTypes } = require("../../../db/utils")
 
 function pickApi(tableId) {
-  // TODO: go to external
+  if (tableId.includes(DocumentTypes.DATASOURCE)) {
+    return external
+  }
   return internal
 }
 
@@ -33,7 +36,6 @@ exports.patch = async ctx => {
 }
 
 exports.save = async function (ctx) {
-  // TODO: this used to handle bulk delete, need to update builder/client
   const appId = ctx.appId
   const tableId = getTableId(ctx)
   try {
@@ -55,10 +57,10 @@ exports.fetchView = async function (ctx) {
   }
 }
 
-exports.fetchTableRows = async function (ctx) {
+exports.fetch = async function (ctx) {
   const tableId = getTableId(ctx)
   try {
-    ctx.body = await pickApi(tableId).fetchTableRows(ctx)
+    ctx.body = await pickApi(tableId).fetch(ctx)
   } catch (err) {
     ctx.throw(400, err)
   }

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

@@ -142,7 +142,7 @@ exports.fetchView = async ctx => {
   // if this is a table view being looked for just transfer to that
   if (viewName.startsWith(TABLE_VIEW_BEGINS_WITH)) {
     ctx.params.tableId = viewName.substring(4)
-    return exports.fetchTableRows(ctx)
+    return exports.fetch(ctx)
   }
 
   const db = new CouchDB(appId)
@@ -195,7 +195,7 @@ exports.fetchView = async ctx => {
   return rows
 }
 
-exports.fetchTableRows = async ctx => {
+exports.fetch = async ctx => {
   const appId = ctx.appId
   const db = new CouchDB(appId)
 

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

@@ -24,7 +24,7 @@ router
     "/api/:tableId/rows",
     paramResource("tableId"),
     authorized(PermissionTypes.TABLE, PermissionLevels.READ),
-    rowController.fetchTableRows
+    rowController.fetch
   )
   .get(
     "/api/:tableId/rows/:rowId",

packages/server/src/integrations/base/sql.js

@@ -3,6 +3,8 @@ const { DataSourceOperation, SortDirection } = require("../../constants")
 const BASE_LIMIT = 5000
 
 function addFilters(query, filters) {
+  // if all or specified in filters, then everything is an or
+  const allOr = !!filters.allOr
   function iterate(structure, fn) {
     for (let [key, value] of Object.entries(structure)) {
       fn(key, value)
@@ -13,7 +15,8 @@ function addFilters(query, filters) {
   }
   if (filters.string) {
     iterate(filters.string, (key, value) => {
-      query = query.where(key, "like", `${value}%`)
+      const fnc = allOr ? "orWhere" : "where"
+      query = query[fnc](key, "like", `${value}%`)
     })
   }
   if (filters.range) {
@@ -21,27 +24,32 @@ function addFilters(query, filters) {
       if (!value.high || !value.low) {
         return
       }
-      query = query.whereBetween(key, [value.low, value.high])
+      const fnc = allOr ? "orWhereBetween" : "whereBetween"
+      query = query[fnc](key, [value.low, value.high])
     })
   }
   if (filters.equal) {
     iterate(filters.equal, (key, value) => {
-      query = query.where({ [key]: value })
+      const fnc = allOr ? "orWhere" : "where"
+      query = query[fnc]({ [key]: value })
     })
   }
   if (filters.notEqual) {
     iterate(filters.notEqual, (key, value) => {
-      query = query.whereNot({ [key]: value })
+      const fnc = allOr ? "orWhereNot" : "whereNot"
+      query = query[fnc]({ [key]: value })
     })
   }
   if (filters.empty) {
     iterate(filters.empty, key => {
-      query = query.whereNull(key)
+      const fnc = allOr ? "orWhereNull" : "whereNull"
+      query = query[fnc](key)
     })
   }
   if (filters.notEmpty) {
     iterate(filters.notEmpty, key => {
-      query = query.whereNotNull(key)
+      const fnc = allOr ? "orWhereNotNull" : "whereNotNull"
+      query = query[fnc](key)
     })
   }
   return query

packages/server/src/integrations/tests/sql.spec.js

@@ -102,6 +102,22 @@ describe("SQL query builder", () => {
     })
   })
 
+  it("should test for multiple IDs with OR", () => {
+    const query = sql._query(generateReadJson({
+      filters: {
+        equal: {
+          age: 10,
+          name: "John",
+        },
+        allOr: true,
+      }
+    }))
+    expect(query).toEqual({
+      bindings: [10, "John", limit],
+      sql: `select * from "${TABLE_NAME}" where ("age" = $1) or ("name" = $2) limit $3`
+    })
+  })
+
   it("should test an create statement", () => {
     const query = sql._query(generateCreateJson(TABLE_NAME, {
       name: "Michael",