Domain Models
The domain layer models represent the core business entities in the TecMeli application. These models are used throughout the application to represent products and their associated data.
Product
Simplified product model used primarily for displaying basic information in search result listings.
Definition
data class Product(
val id: String,
val title: String,
val thumbnail: String? = null,
val domainId: String? = null,
val lastUpdated: String? = null,
val attributes: List<ProductAttribute> = emptyList()
)
Properties
Unique product identifier
URL of the product thumbnail image
Category or domain identifier
Date of the product’s last update
attributes
List<ProductAttribute>
default:"emptyList()"
List of key product attributes
Usage Example
val product = Product(
id = "MCO12345",
title = "Samsung Galaxy S21",
thumbnail = "https://example.com/thumbnail.jpg",
domainId = "MCO-CELLPHONES",
lastUpdated = "2024-03-15T10:30:00Z",
attributes = listOf(
ProductAttribute("COLOR", "Color", "Black"),
ProductAttribute("STORAGE", "Storage", "128GB")
)
)
ProductDetail
Detailed product model containing comprehensive information for the product detail view.
Definition
data class ProductDetail(
val id: String,
val title: String,
val pictures: List<String> = emptyList(),
val attributes: List<ProductAttribute> = emptyList(),
val description: String? = null
)
Properties
Unique product identifier
Complete product name or title
pictures
List<String>
default:"emptyList()"
List of product image URLs
attributes
List<ProductAttribute>
default:"emptyList()"
Complete list of product attributes and technical specifications
Textual description of the product
Usage Example
val productDetail = ProductDetail(
id = "MCO12345",
title = "Samsung Galaxy S21 128GB Black",
pictures = listOf(
"https://example.com/image1.jpg",
"https://example.com/image2.jpg",
"https://example.com/image3.jpg"
),
attributes = listOf(
ProductAttribute("COLOR", "Color", "Black"),
ProductAttribute("STORAGE", "Storage", "128GB"),
ProductAttribute("RAM", "RAM", "8GB")
),
description = "Latest Samsung flagship with advanced camera features"
)
ProductAttribute
Represents a product attribute or technical specification.
Definition
data class ProductAttribute(
val id: String,
val name: String,
val value: String?
)
Properties
Attribute identifier (e.g., “COLOR”, “STORAGE”)
Human-readable attribute name (e.g., “Color”, “Storage”)
Attribute value (e.g., “Red”, “128GB”)
Usage Example
val colorAttribute = ProductAttribute(
id = "COLOR",
name = "Color",
value = "Midnight Black"
)
val storageAttribute = ProductAttribute(
id = "STORAGE_CAPACITY",
name = "Storage Capacity",
value = "256GB"
)
Package Location
com.alcalist.tecmeli.domain.model
domain.model package following Clean Architecture principles, ensuring separation from data layer DTOs and UI layer models.