[Dashboards] add ratio aggregate on aggregate chart (#16413)

closes https://github.com/twentyhq/core-team-issues/issues/1960
video QA


https://github.com/user-attachments/assets/e90cee44-5edc-430d-b003-03ab4ea921f7

packages/twenty-server/src/engine/metadata-modules/page-layout/dtos/aggregate-chart-configuration.dto.ts

@@ -1,5 +1,6 @@
 import { Field, Int, ObjectType } from '@nestjs/graphql';
 
+import { Type } from 'class-transformer';
 import {
   IsBoolean,
   IsEnum,
@@ -11,6 +12,7 @@ import {
   IsUUID,
   Max,
   Min,
+  ValidateNested,
 } from 'class-validator';
 import { GraphQLJSON } from 'graphql-type-json';
 import { CalendarStartDay } from 'twenty-shared/constants';
@@ -19,6 +21,7 @@ import { ObjectRecordFilter } from 'src/engine/api/graphql/workspace-query-build
 
 import { AggregateOperations } from 'src/engine/api/graphql/graphql-query-runner/constants/aggregate-operations.constant';
 import { UUIDScalarType } from 'src/engine/api/graphql/workspace-schema-builder/graphql-types/scalars';
+import { RatioAggregateConfigDTO } from 'src/engine/metadata-modules/page-layout/dtos/ratio-aggregate-config.dto';
 import { GraphType } from 'src/engine/metadata-modules/page-layout/enums/graph-type.enum';
 
 @ObjectType('AggregateChartConfiguration')
@@ -83,4 +86,10 @@ export class AggregateChartConfigurationDTO {
   @IsString()
   @IsOptional()
   suffix?: string;
+
+  @Field(() => RatioAggregateConfigDTO, { nullable: true })
+  @ValidateNested()
+  @Type(() => RatioAggregateConfigDTO)
+  @IsOptional()
+  ratioAggregateConfig?: RatioAggregateConfigDTO;
 }

packages/twenty-server/src/engine/metadata-modules/page-layout/dtos/ratio-aggregate-config.dto.ts

@@ -0,0 +1,19 @@
+import { Field, InputType, ObjectType } from '@nestjs/graphql';
+
+import { IsNotEmpty, IsString, IsUUID } from 'class-validator';
+
+import { UUIDScalarType } from 'src/engine/api/graphql/workspace-schema-builder/graphql-types/scalars';
+
+@ObjectType('RatioAggregateConfig')
+@InputType('RatioAggregateConfigInput')
+export class RatioAggregateConfigDTO {
+  @Field(() => UUIDScalarType)
+  @IsUUID()
+  @IsNotEmpty()
+  fieldMetadataId: string;
+
+  @Field(() => String)
+  @IsString()
+  @IsNotEmpty()
+  optionValue: string;
+}