gistfile1.txt

export class ProductController{
    
    async getByPage(offset:number, pageWidth = 50){
        return await factory.getProducts(offset, pageWidth);
    }

    async get(id:number){
        return await factory.getProductById(id);
    }

    async add(model){
        if(this.valid()){
            await factory.save(model);
            return true;
        }
        else {
            return this.getValidation();
        }
    }

    
    async modify(id, model){
        if(this.valid()){
            await factory.save(id, model);
            return true;
        }
        else {
            return this.getValidation();
        }
    }

    async delete(id:number){
        await factory.delete(id);
    }
}