get-assigned-issues.handler.ts•3.31 kB
/**
* Get Assigned Issues Handler
*
* MCP tool handler for retrieving issues assigned to the current user
*/
import { BaseToolHandler } from "@core/tools/tool-handler.class";
import {
JiraApiError,
JiraNotFoundError,
JiraPermissionError,
} from "@features/jira/client/errors";
import { IssuesListFormatter } from "@features/jira/issues/formatters/issues-list.formatter";
import type { GetAssignedIssuesUseCase } from "@features/jira/issues/use-cases";
import type { GetAssignedIssuesParams } from "@features/jira/issues/validators";
/**
* Handler for retrieving and formatting issues assigned to the current user
* Uses the new use case architecture with dependency injection
*/
export class GetAssignedIssuesHandler extends BaseToolHandler<
GetAssignedIssuesParams,
string
> {
private formatter: IssuesListFormatter;
/**
* Create a new GetAssignedIssuesHandler with use case
*
* @param getAssignedIssuesUseCase - Use case for retrieving assigned issues
*/
constructor(
private readonly getAssignedIssuesUseCase: GetAssignedIssuesUseCase,
) {
super("JIRA", "Get Assigned Issues");
this.formatter = new IssuesListFormatter();
}
/**
* Execute the handler logic
* Retrieves issues assigned to the current user and formats them
*/
protected async execute(): Promise<string> {
try {
this.logger.info("Getting issues assigned to current user");
// Get assigned issues using use case
const assignedIssues = await this.getAssignedIssuesUseCase.execute();
// Format the issues using the formatter
return this.formatter.format(assignedIssues);
} catch (error) {
this.logger.error(`Failed to get assigned issues: ${error}`);
throw this.enhanceError(error);
}
}
/**
* Enhance error messages for better user guidance
*/
private enhanceError(error: unknown): Error {
if (error instanceof JiraNotFoundError) {
return new Error(
"❌ **No Assigned Issues Found**\n\nNo issues are currently assigned to you.\n\n**Solutions:**\n- Verify you have JIRA issues assigned to your account\n- Check your JIRA permissions\n\n**Example:** `jira_get_assigned_issues`",
);
}
if (error instanceof JiraPermissionError) {
return new Error(
`❌ **Permission Denied**\n\nYou don't have permission to search for issues.\n\n**Solutions:**\n- Check your JIRA permissions\n- Contact your JIRA administrator\n- Verify you have access to projects\n\n**Required Permissions:** Browse Projects`,
);
}
if (error instanceof JiraApiError) {
return new Error(
`❌ **JIRA API Error**\n\n${error.message}\n\n**Solutions:**\n- Check your JIRA connection\n- Verify your user account is valid\n- Try again in a few moments\n\n**Note:** This searches for issues assigned to your user account`,
);
}
if (error instanceof Error) {
return new Error(
`❌ **Search Failed**\n\n${error.message}\n\n**Solutions:**\n- Check your JIRA connection\n- Verify your permissions\n- Try again in a few moments\n\n**Note:** This searches for issues assigned to you`,
);
}
return new Error(
"❌ **Unknown Error**\n\nAn unknown error occurred while searching for assigned issues.\n\nPlease try again.",
);
}
}