defarm-sdk/lib/adapters/index.js

DeFarm SDK - On-premise blockchain data processing and tokenization engine for agriculture supply chain

// Mock adapters for testing without external dependencies

class MockDatabaseAdapter {
  constructor(config) {
    this.config = config;
    this.connected = false;
  }

  async connect() {
    console.log(`📋 Mock ${this.constructor.name} connected to ${this.config.host}`);
    this.connected = true;
  }

  async disconnect() {
    this.connected = false;
  }

  async query(sql, params = []) {
    console.log(`🔍 Mock query: ${sql.substring(0, 50)}...`);
    return [];
  }

  async execute(sql) {
    console.log(`⚡ Mock execute: ${sql.substring(0, 50)}...`);
    return { affectedRows: 1 };
  }

  async insert(table, data) {
    console.log(`➕ Mock insert into ${table}`);
    return { id: Math.floor(Math.random() * 10000) };
  }

  async update(table, data, where) {
    console.log(`✏️  Mock update ${table}`);
    return { affectedRows: 1 };
  }
}

class PostgreSQLAdapter extends MockDatabaseAdapter {
  constructor(config) {
    super(config);
    console.log('🐘 PostgreSQL adapter initialized (mock)');
  }
}

class OracleAdapter extends MockDatabaseAdapter {
  constructor(config) {
    super(config);
    console.log('🏛️  Oracle adapter initialized (mock)');
  }
}

class SQLServerAdapter extends MockDatabaseAdapter {
  constructor(config) {
    super(config);
    console.log('🪟 SQL Server adapter initialized (mock)');
  }
}

module.exports = {
  PostgreSQLAdapter,
  OracleAdapter,
  SQLServerAdapter
};