From 7bf617bd4b5b46fa7d22674d518be5599e236937 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andres=20Patin=CC=83o?= <97bermudez.andres@gmail.com>
Date: Thu, 14 May 2026 21:32:32 -0500
Subject: [PATCH] feat: add domain layer

- Define Task entity and repository interface
- Define State entity and repository interface
---
 src/domain/state/state.entity.ts     |  5 +++++
 src/domain/state/state.repository.ts |  6 ++++++
 src/domain/task/task.entity.ts       | 17 +++++++++++++++++
 src/domain/task/task.repository.ts   |  9 +++++++++
 4 files changed, 37 insertions(+)
 create mode 100644 src/domain/state/state.entity.ts
 create mode 100644 src/domain/state/state.repository.ts
 create mode 100644 src/domain/task/task.entity.ts
 create mode 100644 src/domain/task/task.repository.ts

diff --git a/src/domain/state/state.entity.ts b/src/domain/state/state.entity.ts
new file mode 100644
index 0000000..978e999
--- /dev/null
+++ b/src/domain/state/state.entity.ts
@@ -0,0 +1,5 @@
+import type { TaskState } from "../task/task.entity.js";
+
+export interface State {
+  name: TaskState;
+}
diff --git a/src/domain/state/state.repository.ts b/src/domain/state/state.repository.ts
new file mode 100644
index 0000000..c2864f5
--- /dev/null
+++ b/src/domain/state/state.repository.ts
@@ -0,0 +1,6 @@
+import type { State } from "./state.entity.js";
+
+export interface StateRepository {
+  findAll(): Promise<State[]>;
+  findByName(name: string): Promise<State | undefined>;
+}
diff --git a/src/domain/task/task.entity.ts b/src/domain/task/task.entity.ts
new file mode 100644
index 0000000..27a432f
--- /dev/null
+++ b/src/domain/task/task.entity.ts
@@ -0,0 +1,17 @@
+export type TaskState = "new" | "active" | "resolved" | "closed";
+
+export interface StateEntry {
+  state: TaskState;
+  date: string;
+}
+
+export interface Task {
+  id: string;
+  title: string;
+  description: string;
+  dueDate: string;
+  completed: boolean;
+  deletedAt: Date | null;
+  stateHistory: StateEntry[];
+  notes: string[];
+}
diff --git a/src/domain/task/task.repository.ts b/src/domain/task/task.repository.ts
new file mode 100644
index 0000000..6878904
--- /dev/null
+++ b/src/domain/task/task.repository.ts
@@ -0,0 +1,9 @@
+import type { Task } from "./task.entity.js";
+
+export interface TaskRepository {
+  findAll(): Promise<Task[]>;
+  findById(id: string): Promise<Task | undefined>;
+  create(task: Task): Promise<Task>;
+  update(id: string, updates: Partial<Task>): Promise<Task | undefined>;
+  delete(id: string): Promise<boolean>;
+}