feat: add groupByDevice option to GetPowerClampBySpaceDto and update service logic

src/power-clamp/dto/get-power-clamp.dto.ts

@@ -1,5 +1,13 @@
+import { BooleanValues } from '@app/common/constants/boolean-values.enum';
 import { ApiPropertyOptional } from '@nestjs/swagger';
-import { IsOptional, IsDateString, Matches, IsNotEmpty } from 'class-validator';
+import { Transform } from 'class-transformer';
+import {
+  IsOptional,
+  IsDateString,
+  Matches,
+  IsNotEmpty,
+  IsBoolean,
+} from 'class-validator';
 
 export class GetPowerClampDto {
   @ApiPropertyOptional({
@@ -42,4 +50,17 @@ export class GetPowerClampBySpaceDto {
   @IsDateString()
   @IsNotEmpty()
   public monthDate: string;
+
+  @ApiPropertyOptional({
+    example: true,
+    description: 'Whether to group results by device or not',
+    required: false,
+    default: false,
+  })
+  @IsOptional()
+  @IsBoolean()
+  @Transform((value) => {
+    return value.obj.groupByDevice === BooleanValues.TRUE;
+  })
+  public groupByDevice?: boolean = false;
 }

src/power-clamp/services/power-clamp.service.ts

@@ -45,7 +45,7 @@ export class PowerClampService {
     params: ResourceParamsDto,
     query: GetPowerClampBySpaceDto,
   ): Promise<BaseResponseDto> {
-    const { monthDate } = query;
+    const { monthDate, groupByDevice } = query;
     const { spaceUuid, communityUuid } = params;
 
     try {
@@ -63,25 +63,58 @@ export class PowerClampService {
 
       if (!devices?.length) {
         return this.buildResponse(
-          'No power clamp devices found for the specified criteria',
+          `No devices found for ${spaceUuid ? 'space' : 'community'}`,
           [],
         );
       }
 
-      // Filter and prepare device UUIDs
-      const deviceUuids = devices
-        .filter((device) => device.productDevice?.prodType === ProductType.PC)
-        .map((device) => device.uuid);
+      // Filter power clamp devices
+      const powerClampDevices = devices.filter(
+        (device) => device.productDevice?.prodType === ProductType.PC,
+      );
 
-      if (deviceUuids.length === 0) {
+      if (powerClampDevices.length === 0) {
         return this.buildResponse(
-          'No power clamp devices (PC type) found for the specified criteria',
+          `No power clamp devices found for ${spaceUuid ? 'space' : 'community'}`,
           [],
         );
       }
 
-      // Execute procedure
       const formattedMonthDate = toMMYYYY(monthDate);
+
+      if (groupByDevice) {
+        // Handle per-device response
+        const deviceDataPromises = powerClampDevices.map(async (device) => {
+          const data = await this.executeProcedure(
+            'fact_daily_space_energy_consumed_procedure',
+            [formattedMonthDate, device.uuid],
+          );
+
+          const formattedData = data.map((item) => ({
+            ...item,
+            date: new Date(item.date).toLocaleDateString('en-CA'), // YYYY-MM-DD
+          }));
+
+          const filteredData = monthDate
+            ? filterByMonth(formattedData, monthDate)
+            : formattedData;
+
+          return {
+            deviceUuid: device.uuid,
+            deviceName: device.name || `Power Clamp Device`,
+            data: filteredData,
+          };
+        });
+
+        const deviceDataResults = await Promise.all(deviceDataPromises);
+
+        return this.buildResponse(
+          `Power clamp data fetched successfully for ${spaceUuid ? 'space' : 'community'}`,
+          deviceDataResults,
+        );
+      } else {
+        // Original behavior - all devices together
+        const deviceUuids = powerClampDevices.map((device) => device.uuid);
         const data = await this.executeProcedure(
           'fact_daily_space_energy_consumed_procedure',
           [formattedMonthDate, deviceUuids.join(',')],
@@ -101,6 +134,7 @@ export class PowerClampService {
           `Power clamp data fetched successfully for ${spaceUuid ? 'space' : 'community'}`,
           resultData,
         );
+      }
     } catch (error) {
       console.error('Error fetching power clamp data', {
         error,