wip(api): grouped list api

Signed-off-by: Pranav C <pranavxc@gmail.com>

packages/nocodb/src/lib/db/sql-data-mapper/lib/sql/BaseModelSqlv2.ts

@@ -2330,7 +2330,12 @@ class BaseModelSqlv2 {
     });
   }
 
-  public async groupedList(args: { groupColumnId: string }) {
+  public async groupedList(args: { groupColumnId: string }): Promise<
+    {
+      key: string;
+      value: Record<string, unknown>[];
+    }[]
+  > {
     const column = await this.model
       .getColumns()
       .then((cols) => cols?.find((col) => col.id === args.groupColumnId));
@@ -2352,15 +2357,17 @@ class BaseModelSqlv2 {
     const qb = this.dbDriver(this.model.table_name);
     await this.selectObject({ qb });
 
-    const nullQb = qb.clone().whereNull(column.title);
+    const nullListQb = qb.clone().whereNull(column.title);
-    nullQb.limit(20);
+    nullListQb.limit(20);
-    nullQb.offset(0);
+    nullListQb.offset(0);
 
     const groupedQb = this.dbDriver.from(
       this.dbDriver
         .unionAll(
           [
-            this.isSqlite ? this.dbDriver.select().from(nullQb) : nullQb,
+            this.isSqlite
+              ? this.dbDriver.select().from(nullListQb)
+              : nullListQb,
             ...groupingValues.map((r) => {
               const query = qb.clone().where(column.title, r);
               query.limit(20);
@@ -2376,7 +2383,18 @@ class BaseModelSqlv2 {
 
     const result = await groupedQb;
 
-    return _.groupBy(result, column.title);
+    // todo: handle null values
+    const groupedResult: Record<string, Record<string, unknown>[]> = _.groupBy(
+      result,
+      column.title
+    );
+
+    const r = Object.entries(groupedResult).map(([key, value]) => ({
+      key,
+      value,
+    }));
+
+    return r;
   }
 
   public async groupedListCount(args: { groupColumnId: string }) {

packages/nocodb/src/lib/meta/api/dataApis/dataAliasApis.ts

@@ -222,6 +222,59 @@ async function dataExist(req: Request, res: Response) {
   res.json(await baseModel.exist(req.params.rowId));
 }
 
+
+
+// todo: Handle the error case where view doesnt belong to model
+async function groupedDataList(req: Request, res: Response) {
+  const { model, view } = await getViewAndModelFromRequestByAliasOrId(req);
+  res.json(await getGroupedDataList(model, view, req));
+}
+
+
+
+async function getGroupedDataList(model, view: View, req) {
+  const base = await Base.get(model.base_id);
+
+  const baseModel = await Model.getBaseModelSQL({
+    id: model.id,
+    viewId: view?.id,
+    dbDriver: NcConnectionMgrv2.get(base),
+  });
+
+  const requestObj = await getAst({ model, query: req.query, view });
+
+  const listArgs: any = { ...req.query };
+  try {
+    listArgs.filterArr = JSON.parse(listArgs.filterArrJson);
+  } catch (e) {}
+  try {
+    listArgs.sortArr = JSON.parse(listArgs.sortArrJson);
+  } catch (e) {}
+
+  let data = [];
+  let count = 0;
+  try {
+    data = await nocoExecute(
+      requestObj,
+      await baseModel.list(listArgs),
+      {},
+      listArgs
+    );
+    count = await baseModel.count(listArgs);
+  } catch (e) {
+    // show empty result instead of throwing error here
+    // e.g. search some text in a numeric field
+  }
+
+  return new PagedResponseImpl(data, {
+    ...req.query,
+    count,
+  });
+}
+
+
+
+
 const router = Router({ mergeParams: true });
 
 // table data crud apis
@@ -304,6 +357,13 @@ router.get(
   ncMetaAclMw(dataGroupBy, 'dataGroupBy')
 );
 
+
+router.get(
+  '/api/v1/db/data/:orgs/:projectName/:tableName/views/:viewName/grouped',
+  apiMetrics,
+  ncMetaAclMw(groupedDataList, 'groupedDataList')
+);
+
 router.get(
   '/api/v1/db/data/:orgs/:projectName/:tableName/views/:viewName/:rowId/exist',
   apiMetrics,