PseudoORMInterface for microservices

PseudoORM.ts

export abstract class PseudoORMInterface {
    getDataFromTable<T1, T2>(TableName: string, valuesKeysForGetting: string[], conditions?: string[] | null): T1;
    insertDataToTable(TableName: string);
    updateDataToTable<T2>(Data:T2, TableName: string, conditions?: string[] | null): boolean;
    deleteDataFromTable(TableName: string, conditions?: string[] | null);
}


export class PseudoORMImpl implements PseudoORMInterface {
    getDataFromTable<T1, T2>(TableName: string, valuesKeysForGetting: string[], conditions?: string[] | null): T1 {
        let conditionsStr: string = '';
        if (conditions && conditions.length > 0) {
            conditionsStr = ` WHERE ${conditions.join(',')}`

        }
        const request: string = `SELECT ${valuesKeysForGetting.join(',')} FROM ${TableName}${conditionsStr}`;
        return {} as T1;
    }

    // TODO: надо защитить как-то, что бы в Data не было SQL запроса в ключе - тут как раз orm и выходит как queryBuilder
    insertDataToTable<T2>(TableName: string, Data:T2) {
        // INSERT INTO table_name(column1, column2, column3, ...) VALUES (value1, value2, value3, ...);
        const request: string = `INSERT INTO ${TableName}(${Object.keys(Data)}), VALUES (${Object.values(Data)})`;
    };

    updateDataToTable<T2>(Data:T2, TableName: string, conditions?: string[] | null) {
        let conditionsStr: string = '';
        if (conditions && conditions.length > 0) {
            conditionsStr = ` WHERE ${conditions.join(',')}`
        }
        
        // https://goo.su/gjOUJc
        let it: number = 0;
        let strData: string = '';
        for (const key in Data) {
        //console.warn(key)
            strData += `${it===0 ? '': ', '}${key}=${(Data as any)[key]}`;
            it++;
        }

        const request: string = `UPDATE ${TableName} SET ${strData} FROM ${TableName}${conditionsStr}`;
    }

    deleteDataFromTable(TableName: string, conditions?: string[] | null) {

    }
}