/**
* Delete Worklog Handler
*
* MCP tool handler for deleting worklog entries from JIRA issues
*/
import { BaseToolHandler } from "@core/tools/tool-handler.class";
import {
JiraApiError,
JiraNotFoundError,
JiraPermissionError,
} from "@features/jira/client/errors";
import type { DeleteWorklogUseCase } from "@features/jira/issues/use-cases";
import type {
DeleteWorklogParams,
WorklogValidator,
} from "@features/jira/issues/validators";
/**
* Handler for deleting worklog entries from JIRA issues
*/
export class DeleteWorklogHandler extends BaseToolHandler<
DeleteWorklogParams,
string
> {
/**
* Create a new DeleteWorklogHandler with use case and validator
*
* @param deleteWorklogUseCase - Use case for deleting worklog entries
* @param worklogValidator - Validator for worklog parameters
*/
constructor(
private readonly deleteWorklogUseCase: DeleteWorklogUseCase,
private readonly worklogValidator: WorklogValidator,
) {
super("JIRA", "Delete Worklog");
}
/**
* Execute the handler logic
* Deletes a worklog entry and returns a success message
*
* @param params - Parameters for worklog deletion
*/
protected async execute(params: DeleteWorklogParams): Promise<string> {
try {
// Step 1: Validate parameters
const validatedParams =
this.worklogValidator.validateDeleteWorklogParams(params);
this.logger.info(
`Deleting worklog ${validatedParams.worklogId} from issue: ${validatedParams.issueKey}`,
);
// Step 2: Delete worklog using use case
const response = await this.deleteWorklogUseCase.execute({
issueKey: validatedParams.issueKey,
worklogId: validatedParams.worklogId,
});
// Step 3: Return success message
return `✅ **Worklog Deleted Successfully**\n\n${response.message}`;
} catch (error) {
this.logger.error(`Failed to delete worklog: ${error}`);
throw this.enhanceError(error, params);
}
}
/**
* Enhance error messages for better user guidance
*/
private enhanceError(error: unknown, params?: DeleteWorklogParams): Error {
const issueContext = params?.issueKey
? ` for issue ${params.issueKey}`
: "";
const worklogContext = params?.worklogId
? ` (worklog ${params.worklogId})`
: "";
if (error instanceof JiraNotFoundError) {
return new Error(
`❌ **Issue or Worklog Not Found**\n\nNo issue or worklog found${issueContext}${worklogContext}.\n\n**Solutions:**\n- Verify the issue key is correct\n- Verify the worklog ID exists\n- Check if you have permission to view the issue\n\n**Example:** \`jira_delete_worklog issueKey="PROJ-123" worklogId="12345"\``,
);
}
if (error instanceof JiraPermissionError) {
return new Error(
`❌ **Permission Denied**\n\nYou don't have permission to delete worklog entries${issueContext}.\n\n**Solutions:**\n- Check your JIRA permissions\n- Contact your JIRA administrator\n- Verify you have work on issues permission\n- Ensure you can delete this specific worklog\n\n**Required Permissions:** Work on Issues`,
);
}
if (error instanceof JiraApiError) {
return new Error(
`❌ **JIRA API Error**\n\n${error.message}\n\n**Solutions:**\n- Check the issue key is valid (format: PROJ-123)\n- Verify the worklog ID exists\n- Verify your JIRA connection\n\n**Example:** \`jira_delete_worklog issueKey="PROJ-123" worklogId="12345"\``,
);
}
if (error instanceof Error) {
return new Error(
`❌ **Worklog Deletion Failed**\n\n${error.message}${issueContext}${worklogContext}\n\n**Solutions:**\n- Check your parameters are valid\n- Verify your JIRA connection\n- Verify the worklog ID exists\n\n**Example:** \`jira_delete_worklog issueKey="PROJ-123" worklogId="12345"\``,
);
}
return new Error(
`❌ **Unknown Error**\n\nAn unknown error occurred during worklog deletion${issueContext}${worklogContext}.\n\nPlease check your parameters and try again.`,
);
}
}
