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* Drizzle Task Repository Adapter
*
* Implements TaskRepository interface using Drizzle ORM.
*/
import { eq, asc, and } from 'drizzle-orm';
import { nanoid } from 'nanoid';
import type { DrizzleDatabase } from '../../index.js';
import { tasks, taskDependencies, type Task } from '../../schema.js';
import type {
TaskRepository,
CreateTaskData,
UpdateTaskData,
PendingApprovalFilters,
} from '../task-repository.js';
/**
* Drizzle adapter for TaskRepository.
*
* Uses dependency injection for database instance,
* enabling isolated test databases.
*/
export class DrizzleTaskRepository implements TaskRepository {
constructor(private db: DrizzleDatabase) {}
async create(data: CreateTaskData): Promise<Task> {
const id = nanoid();
const now = new Date();
const [created] = await this.db.insert(tasks).values({
id,
...data,
type: data.type ?? 'auto',
category: data.category ?? 'execute',
priority: data.priority ?? 'medium',
status: data.status ?? 'pending',
order: data.order ?? 0,
createdAt: now,
updatedAt: now,
}).returning();
return created;
}
async findById(id: string): Promise<Task | null> {
const result = await this.db
.select()
.from(tasks)
.where(eq(tasks.id, id))
.limit(1);
return result[0] ?? null;
}
async findByParentTaskId(parentTaskId: string): Promise<Task[]> {
return this.db
.select()
.from(tasks)
.where(eq(tasks.parentTaskId, parentTaskId))
.orderBy(asc(tasks.order));
}
async findByInitiativeId(initiativeId: string): Promise<Task[]> {
return this.db
.select()
.from(tasks)
.where(eq(tasks.initiativeId, initiativeId))
.orderBy(asc(tasks.order));
}
async findByPhaseId(phaseId: string): Promise<Task[]> {
return this.db
.select()
.from(tasks)
.where(eq(tasks.phaseId, phaseId))
.orderBy(asc(tasks.order));
}
async findPendingApproval(filters?: PendingApprovalFilters): Promise<Task[]> {
const conditions = [eq(tasks.status, 'pending_approval')];
if (filters?.initiativeId) {
conditions.push(eq(tasks.initiativeId, filters.initiativeId));
}
if (filters?.phaseId) {
conditions.push(eq(tasks.phaseId, filters.phaseId));
}
if (filters?.category) {
conditions.push(eq(tasks.category, filters.category));
}
return this.db
.select()
.from(tasks)
.where(and(...conditions))
.orderBy(asc(tasks.createdAt));
}
async update(id: string, data: UpdateTaskData): Promise<Task> {
const [updated] = await this.db
.update(tasks)
.set({ ...data, updatedAt: new Date() })
.where(eq(tasks.id, id))
.returning();
if (!updated) {
throw new Error(`Task not found: ${id}`);
}
return updated;
}
async delete(id: string): Promise<void> {
const [deleted] = await this.db.delete(tasks).where(eq(tasks.id, id)).returning();
if (!deleted) {
throw new Error(`Task not found: ${id}`);
}
}
async createDependency(taskId: string, dependsOnTaskId: string): Promise<void> {
const id = nanoid();
const now = new Date();
await this.db.insert(taskDependencies).values({
id,
taskId,
dependsOnTaskId,
createdAt: now,
});
}
async getDependencies(taskId: string): Promise<string[]> {
const deps = await this.db
.select({ dependsOnTaskId: taskDependencies.dependsOnTaskId })
.from(taskDependencies)
.where(eq(taskDependencies.taskId, taskId));
return deps.map((d) => d.dependsOnTaskId);
}
}
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