survey-mcp-server/dist/services/database.d.ts

Survey management server handling survey creation, response collection, analysis, and reporting with database access for data management

import { FindOptions, UpdateOptions, DeleteOptions } from 'mongodb';
import { BaseService, ServiceConfig, HealthCheckResult } from './base.js';
export interface DatabaseQuery {
    filter: any;
    options?: FindOptions;
    limit?: number;
    skip?: number;
    sort?: any;
}
export interface DatabaseUpdateQuery {
    filter: any;
    update: any;
    options?: UpdateOptions;
}
export interface DatabaseDeleteQuery {
    filter: any;
    options?: DeleteOptions;
}
export interface QueryResult<T = any> {
    data: T[];
    total: number;
    limit: number;
    skip: number;
    hasMore: boolean;
}
export interface ConnectionPoolStats {
    totalConnections: number;
    availableConnections: number;
    checkedOutConnections: number;
    minPoolSize: number;
    maxPoolSize: number;
}
export declare class DatabaseService extends BaseService {
    private mongoClient;
    private connectionMap;
    private queryCount;
    private errorCount;
    private lastConnectionCheck;
    constructor(config?: Partial<ServiceConfig>);
    initialize(): Promise<void>;
    protected performHealthCheck(): Promise<HealthCheckResult>;
    findDocuments<T = any>(collection: string, query: DatabaseQuery, connectionName?: string): Promise<QueryResult<T>>;
    findDocumentById<T = any>(collection: string, id: any, connectionName?: string): Promise<T | null>;
    insertDocument<T = any>(collection: string, document: T, connectionName?: string): Promise<T>;
    updateDocuments(collection: string, query: DatabaseUpdateQuery, connectionName?: string): Promise<{
        matchedCount: number;
        modifiedCount: number;
    }>;
    deleteDocuments(collection: string, query: DatabaseDeleteQuery, connectionName?: string): Promise<{
        deletedCount: number;
    }>;
    aggregateDocuments<T = any>(collection: string, pipeline: any[], connectionName?: string): Promise<T[]>;
    private getCollection;
    private isRetryableError;
    private sanitizeLogData;
    getConnectionStats(): {
        [connectionName: string]: any;
    };
    getServiceStats(): {
        queryCount: number;
        errorCount: number;
        successRate: number;
        lastHealthCheck: Date;
        connections: {
            [connectionName: string]: any;
        };
    };
    shutdown(): Promise<void>;
}
export declare const databaseService: DatabaseService;