add filed dueDate

src/modules/issue/application/dto/issue-with-users.dto.ts

@@ -12,6 +12,7 @@ export class IssueWithUsersDto {
   assignee: UserDto | null;
   reporter: UserDto;
   projectId: string;
+  dueDate: Date | null;
   createdAt: Date;
   updatedAt: Date;
 }

src/modules/issue/application/dto/issue.dto.ts

@@ -8,6 +8,7 @@ export class IssueDto {
   assigneeId: string | null;
   reporterId: string;
   projectId: string;
+  dueDate: Date | null;
   createdAt: Date;
   updatedAt: Date;
 }

src/modules/issue/application/mappers/issue-application.mapper.ts

@@ -15,6 +15,7 @@ export class IssueApplicationMapper {
       assigneeId: issue.assignee,
       reporterId: issue.reporter,
       projectId: issue.projectId,
+      dueDate: issue.dueDate,
       createdAt: issue.createdAt,
       updatedAt: issue.updatedAt,
     };
@@ -39,6 +40,7 @@ export class IssueApplicationMapper {
       assignee: issue.assignee ? (usersById.get(issue.assignee) ?? null) : null,
       reporter,
       projectId: issue.projectId,
+      dueDate: issue.dueDate,
       createdAt: issue.createdAt,
       updatedAt: issue.updatedAt,
     };

src/modules/issue/application/services/issue-user-expander.service.spec.ts

@@ -27,6 +27,7 @@ const buildIssue = (overrides: Partial<{ assignee: string | null; reporter: stri
     assignee: 'assignee' in overrides ? (overrides.assignee ?? null) : 'user-2',
     reporter: overrides.reporter ?? 'user-1',
     projectId: 'project-1',
+    dueDate: null,
     createdAt: new Date(),
     updatedAt: new Date(),
   });

src/modules/issue/application/use-cases/create-issue/create-issue.command.ts

@@ -7,5 +7,6 @@ export class CreateIssueCommand {
     public readonly content?: string,
     public readonly priority?: number,
     public readonly assignee?: string,
+    public readonly dueDate?: Date,
   ) {}
 }

src/modules/issue/application/use-cases/create-issue/create-issue.use-case.spec.ts

@@ -56,6 +56,7 @@ describe('CreateIssueUseCase', () => {
         assignee: issue.assignee,
         reporter: issue.reporter,
         projectId: issue.projectId,
+        dueDate: issue.dueDate,
         createdAt: issue.createdAt,
         updatedAt: issue.updatedAt,
       }),
@@ -104,6 +105,7 @@ describe('CreateIssueUseCase', () => {
         assignee: issue.assignee,
         reporter: issue.reporter,
         projectId: issue.projectId,
+        dueDate: issue.dueDate,
         createdAt: issue.createdAt,
         updatedAt: issue.updatedAt,
       }),

src/modules/issue/application/use-cases/create-issue/create-issue.use-case.ts

@@ -31,6 +31,7 @@ export class CreateIssueUseCase {
       assignee: command.assignee,
       reporter: command.reporter,
       projectId: command.projectId,
+      dueDate: command.dueDate,
     });
 
     const issue = await this.issueRepository.create(draft);

src/modules/issue/application/use-cases/delete-issue/delete-issue.use-case.spec.ts

@@ -17,6 +17,7 @@ const buildIssue = () =>
     assignee: null,
     reporter: 'user-1',
     projectId: 'project-1',
+    dueDate: null,
     createdAt: new Date(),
     updatedAt: new Date(),
   });

src/modules/issue/application/use-cases/get-issue-by-ckey/get-issue-by-ckey.use-case.spec.ts

@@ -18,6 +18,7 @@ const buildIssue = () =>
     assignee: 'user-2',
     reporter: 'user-1',
     projectId: 'project-1',
+    dueDate: null,
     createdAt: new Date(),
     updatedAt: new Date(),
   });

src/modules/issue/application/use-cases/get-issue/get-issue.use-case.spec.ts

@@ -18,6 +18,7 @@ const buildIssue = () =>
     assignee: 'user-2',
     reporter: 'user-1',
     projectId: 'project-1',
+    dueDate: null,
     createdAt: new Date(),
     updatedAt: new Date(),
   });

src/modules/issue/application/use-cases/list-issues/list-issues.use-case.spec.ts

@@ -17,6 +17,7 @@ const buildIssue = (id: number) =>
     assignee: null,
     reporter: 'user-1',
     projectId: 'project-1',
+    dueDate: null,
     createdAt: new Date(),
     updatedAt: new Date(),
   });

src/modules/issue/application/use-cases/update-issue/update-issue.command.ts

@@ -7,5 +7,6 @@ export class UpdateIssueCommand {
     public readonly status?: string,
     public readonly priority?: number,
     public readonly assignee?: string | null,
+    public readonly dueDate?: Date | null,
   ) {}
 }

src/modules/issue/application/use-cases/update-issue/update-issue.use-case.spec.ts

@@ -20,6 +20,7 @@ const buildIssue = () =>
     assignee: null,
     reporter: 'user-1',
     projectId: 'project-1',
+    dueDate: null,
     createdAt: new Date('2026-01-01T00:00:00.000Z'),
     updatedAt: new Date('2026-01-01T00:00:00.000Z'),
   });

src/modules/issue/application/use-cases/update-issue/update-issue.use-case.ts

@@ -53,6 +53,10 @@ export class UpdateIssueUseCase {
       }
     }
 
+    if (command.dueDate !== undefined) {
+      issue.updateDueDate(command.dueDate);
+    }
+
     await this.issueRepository.update(issue);
     const dto = await this.issueUserExpander.expand(issue);
 

src/modules/issue/domain/entities/issue.entity.spec.ts

@@ -72,6 +72,7 @@ describe('Issue', () => {
         assignee: 'user-3',
         reporter: 'user-1',
         projectId: 'project-1',
+    dueDate: null,
         createdAt: now,
         updatedAt: now,
       });
@@ -94,6 +95,7 @@ describe('Issue', () => {
         assignee: null,
         reporter: 'user-1',
         projectId: 'project-1',
+    dueDate: null,
         createdAt: new Date('2026-01-01T00:00:00.000Z'),
         updatedAt: new Date('2026-01-01T00:00:00.000Z'),
       });

src/modules/issue/domain/entities/issue.entity.ts

@@ -14,6 +14,7 @@ interface IssueProps {
   assignee: string | null;
   reporter: string;
   projectId: string;
+  dueDate: Date | null;
   createdAt: Date;
   updatedAt: Date;
 }
@@ -40,6 +41,7 @@ export class Issue {
     assignee?: string | null;
     reporter: string;
     projectId: string;
+    dueDate?: Date | null;
   }): Issue {
     const issue = new Issue({
       id: null,
@@ -51,6 +53,7 @@ export class Issue {
       assignee: params.assignee ?? null,
       reporter: params.reporter,
       projectId: params.projectId,
+      dueDate: params.dueDate ?? null,
       createdAt: new Date(),
       updatedAt: new Date(),
     });
@@ -71,6 +74,7 @@ export class Issue {
     assignee: string | null;
     reporter: string;
     projectId: string;
+    dueDate: Date | null;
     createdAt: Date;
     updatedAt: Date;
   }): Issue {
@@ -84,6 +88,7 @@ export class Issue {
       assignee: props.assignee,
       reporter: props.reporter,
       projectId: props.projectId,
+      dueDate: props.dueDate,
       createdAt: props.createdAt,
       updatedAt: props.updatedAt,
     });
@@ -125,6 +130,10 @@ export class Issue {
     return this.props.projectId;
   }
 
+  get dueDate(): Date | null {
+    return this.props.dueDate;
+  }
+
   get createdAt(): Date {
     return this.props.createdAt;
   }
@@ -163,6 +172,11 @@ export class Issue {
     this.touch();
   }
 
+  updateDueDate(dueDate: Date | null): void {
+    this.props.dueDate = dueDate;
+    this.touch();
+  }
+
   private touch(): void {
     this.props.updatedAt = new Date();
     this.addDomainEvent(new IssueUpdatedEvent(this.key));

src/modules/issue/infrastructure/persistence/prisma/mappers/issue.mapper.spec.ts

@@ -13,6 +13,7 @@ describe('IssuePrismaMapper', () => {
     assigneeId: 'user-2',
     reporterId: 'user-1',
     projectId: 'project-1',
+    dueDate: null,
     createdAt: new Date('2026-01-01T00:00:00.000Z'),
     updatedAt: new Date('2026-01-02T00:00:00.000Z'),
   };

src/modules/issue/infrastructure/persistence/prisma/mappers/issue.mapper.ts

@@ -14,6 +14,7 @@ export class IssuePrismaMapper {
       assignee: record.assigneeId,
       reporter: record.reporterId,
       projectId: record.projectId,
+      dueDate: record.dueDate,
       createdAt: record.createdAt,
       updatedAt: record.updatedAt,
     });
@@ -29,6 +30,7 @@ export class IssuePrismaMapper {
       assigneeId: issue.assignee,
       reporterId: issue.reporter,
       projectId: issue.projectId,
+      dueDate: issue.dueDate,
       createdAt: issue.createdAt,
       updatedAt: issue.updatedAt,
     };
@@ -41,6 +43,7 @@ export class IssuePrismaMapper {
       status: issue.status,
       priority: issue.priority,
       assigneeId: issue.assignee,
+      dueDate: issue.dueDate,
       updatedAt: issue.updatedAt,
     };
   }

src/modules/issue/presentation/controllers/issue.controller.ts

@@ -62,6 +62,7 @@ export class IssueController {
           dto.content,
           dto.priority,
           dto.assignee,
+          dto.dueDate !== undefined ? new Date(dto.dueDate) : undefined,
         ),
       ),
     );
@@ -132,7 +133,16 @@ export class IssueController {
   ) {
     return this.handleErrors(() =>
       this.updateIssueUseCase.execute(
-        new UpdateIssueCommand(id, session.user.id, dto.title, dto.content, dto.status, dto.priority, dto.assignee),
+        new UpdateIssueCommand(
+          id,
+          session.user.id,
+          dto.title,
+          dto.content,
+          dto.status,
+          dto.priority,
+          dto.assignee,
+          dto.dueDate === undefined ? undefined : dto.dueDate === null ? null : new Date(dto.dueDate),
+        ),
       ),
     );
   }

src/modules/issue/presentation/dto/create-issue.dto.ts

@@ -1,4 +1,4 @@
-import { IsInt, IsNotEmpty, IsOptional, IsString, Max, MaxLength, Min } from 'class-validator';
+import { IsDateString, IsInt, IsNotEmpty, IsOptional, IsString, Max, MaxLength, Min } from 'class-validator';
 
 export class CreateIssueRequestDto {
   @IsString()
@@ -27,4 +27,8 @@ export class CreateIssueRequestDto {
   @IsOptional()
   @IsString()
   assignee?: string;
+
+  @IsOptional()
+  @IsDateString()
+  dueDate?: string;
 }

src/modules/issue/presentation/dto/update-issue.dto.ts

@@ -1,4 +1,4 @@
-import { IsIn, IsInt, IsOptional, IsString, Max, MaxLength, Min } from 'class-validator';
+import { IsDateString, IsIn, IsInt, IsOptional, IsString, Max, MaxLength, Min } from 'class-validator';
 import { ISSUE_STATUSES } from '../../domain/value-objects/issue-status.vo.js';
 
 export class UpdateIssueRequestDto {
@@ -24,4 +24,8 @@ export class UpdateIssueRequestDto {
   @IsOptional()
   @IsString()
   assignee?: string | null;
+
+  @IsOptional()
+  @IsDateString()
+  dueDate?: string | null;
 }

src/modules/issue/presentation/graphql/create-issue.input.ts

@@ -1,5 +1,5 @@
 import { Field, InputType, Int } from '@nestjs/graphql';
-import { IsInt, IsNotEmpty, IsOptional, IsString, Max, MaxLength, Min } from 'class-validator';
+import { IsDate, IsInt, IsNotEmpty, IsOptional, IsString, Max, MaxLength, Min } from 'class-validator';
 
 @InputType()
 export class CreateIssueInput {
@@ -35,4 +35,9 @@ export class CreateIssueInput {
   @IsOptional()
   @IsString()
   assignee?: string;
+
+  @Field(() => Date, { nullable: true })
+  @IsOptional()
+  @IsDate()
+  dueDate?: Date;
 }

src/modules/issue/presentation/graphql/issue-detail.type.ts

@@ -36,6 +36,9 @@ export class IssueDetailType {
   @Field()
   projectId: string;
 
+  @Field(() => Date, { nullable: true })
+  dueDate: Date | null;
+
   @Field(() => Date)
   createdAt: Date;
 

src/modules/issue/presentation/graphql/issue.type.ts

@@ -29,6 +29,9 @@ export class IssueType {
   @Field()
   projectId: string;
 
+  @Field(() => Date, { nullable: true })
+  dueDate: Date | null;
+
   @Field(() => Date)
   createdAt: Date;
 

src/modules/issue/presentation/graphql/update-issue.input.ts

@@ -1,5 +1,5 @@
 import { Field, InputType, Int } from '@nestjs/graphql';
-import { IsIn, IsInt, IsOptional, IsString, Max, MaxLength, Min } from 'class-validator';
+import { IsDate, IsIn, IsInt, IsOptional, IsString, Max, MaxLength, Min } from 'class-validator';
 import { ISSUE_STATUSES } from '../../domain/value-objects/issue-status.vo.js';
 
 @InputType()
@@ -31,4 +31,9 @@ export class UpdateIssueInput {
   @IsOptional()
   @IsString()
   assignee?: string | null;
+
+  @Field(() => Date, { nullable: true })
+  @IsOptional()
+  @IsDate()
+  dueDate?: Date | null;
 }

src/modules/issue/presentation/resolvers/issue.resolver.ts

@@ -66,6 +66,7 @@ export class IssueResolver {
           input.content,
           input.priority,
           input.assignee,
+          input.dueDate,
         ),
       ),
     );
@@ -87,6 +88,7 @@ export class IssueResolver {
           input.status,
           input.priority,
           input.assignee,
+          input.dueDate,
         ),
       ),
     );