@stackmemoryai/stackmemory/dist/src/services/context-service.js

Project-scoped memory for AI coding tools. Durable context across sessions with MCP integration, frames, smart retrieval, Claude Code skills, and automatic hooks.

import { fileURLToPath as __fileURLToPath } from 'url';
import { dirname as __pathDirname } from 'path';
const __filename = __fileURLToPath(import.meta.url);
const __dirname = __pathDirname(__filename);
import { logger } from "../core/monitoring/logger.js";
import Database from "better-sqlite3";
import { join } from "path";
import { existsSync } from "fs";
class ContextService {
  // Using singleton logger from monitoring
  db = null;
  tasks = /* @__PURE__ */ new Map();
  constructor() {
    this.initializeDatabase();
  }
  initializeDatabase() {
    try {
      const dbPath = join(process.cwd(), ".stackmemory", "context.db");
      if (existsSync(dbPath)) {
        this.db = new Database(dbPath);
        this.loadTasksFromDatabase();
      }
    } catch (error) {
      logger.warn(
        "Could not connect to database, using in-memory storage",
        error
      );
    }
  }
  loadTasksFromDatabase() {
    if (!this.db) return;
    try {
      this.db.exec(`
        CREATE TABLE IF NOT EXISTS tasks (
          id TEXT PRIMARY KEY,
          title TEXT NOT NULL,
          description TEXT,
          status TEXT DEFAULT 'todo',
          priority TEXT,
          tags TEXT,
          external_id TEXT,
          external_identifier TEXT,
          external_url TEXT,
          metadata TEXT,
          created_at INTEGER,
          updated_at INTEGER
        )
      `);
      const stmt = this.db.prepare("SELECT * FROM tasks");
      const rows = stmt.all();
      for (const row of rows) {
        const task = {
          id: row.id,
          title: row.title,
          description: row.description || "",
          status: row.status || "todo",
          priority: row.priority || void 0,
          tags: row.tags ? JSON.parse(row.tags) : [],
          externalId: row.external_id || void 0,
          externalIdentifier: row.external_identifier || void 0,
          externalUrl: row.external_url || void 0,
          metadata: row.metadata ? JSON.parse(row.metadata) : void 0,
          createdAt: new Date(row.created_at),
          updatedAt: new Date(row.updated_at)
        };
        this.tasks.set(task.id, task);
      }
      logger.info(`Loaded ${rows.length} tasks from database`);
    } catch (error) {
      logger.error("Failed to load tasks from database", error);
    }
  }
  async getTask(id) {
    return this.tasks.get(id) || null;
  }
  async getTaskByExternalId(externalId) {
    for (const task of this.tasks.values()) {
      if (task.externalId === externalId) {
        return task;
      }
    }
    return null;
  }
  async getAllTasks() {
    return Array.from(this.tasks.values());
  }
  async createTask(taskData) {
    const task = {
      id: this.generateId(),
      title: taskData.title || "Untitled Task",
      description: taskData.description || "",
      status: taskData.status || "todo",
      priority: taskData.priority,
      tags: taskData.tags || [],
      externalId: taskData.externalId,
      externalIdentifier: taskData.externalIdentifier,
      externalUrl: taskData.externalUrl,
      metadata: taskData.metadata,
      createdAt: taskData.createdAt || /* @__PURE__ */ new Date(),
      updatedAt: taskData.updatedAt || /* @__PURE__ */ new Date()
    };
    this.tasks.set(task.id, task);
    if (this.db) {
      try {
        const stmt = this.db.prepare(`
          INSERT INTO tasks (id, title, description, status, priority, tags, 
                           external_id, external_identifier, external_url, 
                           metadata, created_at, updated_at)
          VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
        `);
        stmt.run(
          task.id,
          task.title,
          task.description,
          task.status,
          task.priority || null,
          JSON.stringify(task.tags),
          task.externalId || null,
          task.externalIdentifier || null,
          task.externalUrl || null,
          task.metadata ? JSON.stringify(task.metadata) : null,
          task.createdAt.getTime(),
          task.updatedAt.getTime()
        );
      } catch (error) {
        logger.error("Failed to persist task to database", error);
      }
    }
    logger.debug(`Created task: ${task.id} - ${task.title}`);
    return task;
  }
  async updateTask(id, updates) {
    const task = this.tasks.get(id);
    if (!task) {
      return null;
    }
    const updatedTask = {
      ...task,
      ...updates,
      updatedAt: /* @__PURE__ */ new Date()
    };
    this.tasks.set(id, updatedTask);
    if (this.db) {
      try {
        const stmt = this.db.prepare(`
          UPDATE tasks SET title = ?, description = ?, status = ?, 
                          priority = ?, tags = ?, external_id = ?, 
                          external_identifier = ?, external_url = ?, 
                          metadata = ?, updated_at = ?
          WHERE id = ?
        `);
        stmt.run(
          updatedTask.title,
          updatedTask.description,
          updatedTask.status,
          updatedTask.priority || null,
          JSON.stringify(updatedTask.tags),
          updatedTask.externalId || null,
          updatedTask.externalIdentifier || null,
          updatedTask.externalUrl || null,
          updatedTask.metadata ? JSON.stringify(updatedTask.metadata) : null,
          updatedTask.updatedAt.getTime(),
          id
        );
      } catch (error) {
        logger.error("Failed to update task in database", error);
      }
    }
    logger.debug(`Updated task: ${id} - ${updatedTask.title}`);
    return updatedTask;
  }
  async deleteTask(id) {
    const deleted = this.tasks.delete(id);
    if (deleted) {
      if (this.db) {
        try {
          const stmt = this.db.prepare("DELETE FROM tasks WHERE id = ?");
          stmt.run(id);
        } catch (error) {
          logger.error("Failed to delete task from database", error);
        }
      }
      logger.debug(`Deleted task: ${id}`);
    }
    return deleted;
  }
  generateId() {
    return "task_" + Date.now() + "_" + Math.random().toString(36).substr(2, 9);
  }
}
export {
  ContextService
};
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