deepsource-mcp-server
Version:
Model Context Protocol server for DeepSource
78 lines • 3.29 kB
JavaScript
/**
* @fileoverview Projects handler for the DeepSource MCP server
* This module provides MCP tool handlers for DeepSource projects using domain aggregates.
*/
import { RepositoryFactory } from '../infrastructure/factories/repository.factory.js';
import { createLogger } from '../utils/logging/logger.js';
import { getApiKey } from '../config/index.js';
import { MCPErrorFormatter } from '../utils/error-handling/index.js';
// Logger for the projects handler
const logger = createLogger('ProjectsHandler');
/**
* Creates a projects handler with injected dependencies
* @param deps - The dependencies for the handler
* @returns The configured handler function
*/
export function createProjectsHandler(deps) {
return async function handleProjects() {
try {
deps.logger.info('Fetching projects from repository');
const projects = await deps.projectRepository.findAll();
deps.logger.info('Successfully fetched projects', {
count: projects.length,
firstFew: projects.slice(0, 3).map((p) => ({ key: p.key, name: p.name })),
});
// Map domain projects to the simplified format expected by the MCP tool
const projectsList = projects.map((project) => ({
key: project.key,
name: project.name,
}));
deps.logger.debug('Returning projects list', {
projectCount: projectsList.length,
projectsJson: JSON.stringify(projectsList).substring(0, 100) +
(JSON.stringify(projectsList).length > 100 ? '...' : ''),
});
return {
content: [
{
type: 'text',
text: JSON.stringify(projectsList),
},
],
};
}
catch (error) {
deps.logger.error('Error in handleProjects', {
errorType: typeof error,
errorName: error instanceof Error ? error.name : 'Unknown',
errorMessage: error instanceof Error ? error.message : String(error),
errorStack: error instanceof Error ? error.stack : 'No stack available',
});
// Use MCP-compliant error formatting
return MCPErrorFormatter.createErrorResponse(error, 'projects-fetch');
}
};
}
/**
* Fetches and returns a list of all available DeepSource projects using domain aggregates
* @returns A response containing the list of projects with their keys and names
* @throws MCPError if the DEEPSOURCE_API_KEY environment variable is not set or other errors occur
* @public
*/
export async function handleProjects() {
try {
const apiKey = getApiKey();
const repositoryFactory = new RepositoryFactory({ apiKey });
const projectRepository = repositoryFactory.createProjectRepository();
const handler = createProjectsHandler({
projectRepository,
logger,
});
return handler();
}
catch (error) {
// Handle configuration errors and other setup issues
return MCPErrorFormatter.createErrorResponse(error, 'projects-setup');
}
}
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