feat(datamodel): add common api query parameters

begin to define common parameters for filtering,sorting, etc on endpoints

libs/datamodel/api/src/lib/json/index.ts

@@ -1,2 +1,3 @@
 export * from './error';
 export * from './meta';
+export * from './queryParameters';

libs/datamodel/api/src/lib/json/queryParameters.ts

@@ -0,0 +1,64 @@
+import { ApiProperty, ApiQuery } from "@nestjs/swagger";
+import { IsArray, IsInt, IsOptional, IsString } from 'class-validator';
+import { Transform, Type,} from 'class-transformer';
+import { applyDecorators } from "@nestjs/common";
+
+
+
+export class FieldsQueryParameters {
+  @IsString({ each: true })
+  @IsArray()
+  @IsOptional()
+  @ApiProperty({ type: [String] })
+  @Transform((params) => {
+    return params.value.split(',');
+  })
+  fields!: string[];
+}
+
+export const ApiFieldsQuery = (...args: string[]) => applyDecorators(
+    ApiQuery({ name: 'fields', explode: false, style: 'form', type:String, isArray: true })
+)
+
+// WIP can use this to define the query parameters for operations like sorting, filtering, paging, etc. 
+class FullJsonAPIQueryParameters {
+  @IsString({ each: true })
+  @IsArray()
+  @IsOptional()
+  @ApiProperty({ type: [String] })
+  @Transform((params) => {
+    return params.value.split(',');
+  })
+  fields!: string[];
+
+  @IsString({ each: true })
+  @IsArray()
+  @IsOptional()
+  @ApiProperty({ type: [String] })
+  @Transform((params) => {
+    return params.value.split(',');
+  })
+  sort!: string[];
+
+  @IsInt()
+  @IsArray()
+  @IsOptional()
+  @ApiProperty({ type: Number, format: 'int' })
+  @Type(() => Number)
+  page!: number;
+
+  @IsString({ each: true })
+  @IsArray()
+  @IsOptional()
+  @ApiProperty({ type: [String] })
+  @Transform((params) => {
+    return params.value.split(',');
+  })
+  include!: string[];
+
+
+  @IsOptional()
+  //@ApiProperty({ type: [String] })
+    // Maybe make this object 
+  filter!: string[];
+}