Product Catalog Service - Class Diagrams
Domain Model Overview
classDiagram
class Product {
<<Aggregate Root>>
-String productId
-String skuCode
-String name
-String description
-ProductCategory category
-Brand brand
-ProductStatus status
-List~ProductVariant~ variants
-List~ProductAttribute~ attributes
-PricingInfo pricing
-List~ProductImage~ images
-Dimensions dimensions
-Weight weight
-DateTime createdAt
-DateTime updatedAt
+create(specification) void
+update(updates) void
+addVariant(variant) void
+addAttribute(attribute) void
+activate() void
+discontinue() void
+validate() ValidationResult
+clone() Product
}
class ProductVariant {
<<Entity>>
-String variantId
-String skuCode
-Map~String, String~ options
-VariantPricing pricing
-StockInfo stockInfo
-List~String~ images
-VariantStatus status
+updateOption(key, value) void
+updatePrice(price) void
+isAvailable() boolean
}
class ProductAttribute {
<<Value Object>>
-String name
-String value
-AttributeType type
-String unit
-boolean searchable
-boolean filterable
-boolean required
+validate(value) boolean
+format() String
}
class ProductCategory {
<<Entity>>
-String categoryId
-String name
-String parentCategoryId
-CategoryPath path
-List~CategoryAttribute~ attributes
-int level
-boolean active
+getFullPath() String
+hasParent() boolean
+getChildren() List~ProductCategory~
}
class PricingInfo {
<<Value Object>>
-Money basePrice
-Money salePrice
-Currency currency
-List~TierPricing~ tierPricing
-List~Discount~ discounts
-DateTime priceEffectiveDate
+getCurrentPrice() Money
+getTierPrice(quantity) Money
+applyDiscount(discount) Money
}
class ProductSpecification {
<<Value Object>>
-Map~String, String~ technicalSpecs
-List~Material~ materials
-List~Certification~ certifications
-ManufacturerInfo manufacturer
-WarrantyInfo warranty
+addSpec(key, value) void
+hasCertification(type) boolean
}
Product "1" --> "*" ProductVariant : has
Product "1" --> "*" ProductAttribute : contains
Product "1" --> "1" ProductCategory : belongs to
Product "1" --> "1" PricingInfo : has
Product "1" --> "1" ProductSpecification : defines
Product Search and Discovery
classDiagram
class ProductSearchService {
<<Domain Service>>
-SearchEngine searchEngine
-FilterEngine filterEngine
-SortingEngine sortingEngine
+search(query) SearchResult
+advancedSearch(criteria) SearchResult
+getSuggestions(prefix) List~Suggestion~
+getFilters(category) List~Filter~
-buildSearchQuery(criteria) Query
-applyFilters(results, filters) SearchResult
}
class SearchEngine {
<<Service>>
-IndexManager indexManager
-QueryParser parser
-Analyzer analyzer
+indexProduct(product) void
+search(query) List~SearchHit~
+moreLikeThis(productId) List~Product~
-analyzeText(text) List~Token~
-scoreResults(hits) void
}
class FacetEngine {
<<Service>>
-FacetBuilder builder
-AggregationEngine aggregator
+buildFacets(products) List~Facet~
+applyFacetFilter(products, facet) List~Product~
+calculateCounts(facet, products) Map~String, Integer~
}
class RecommendationEngine {
<<Service>>
-MLModel model
-SimilarityCalculator calculator
+getRecommendations(userId) List~Product~
+getRelatedProducts(productId) List~Product~
+getTrendingProducts() List~Product~
-calculateSimilarity(p1, p2) double
-predictPreference(user, product) double
}
class AutocompleteService {
<<Service>>
-TrieIndex trie
-PopularityTracker popularity
+getSuggestions(prefix) List~String~
+updatePopularity(term) void
+rebuildIndex() void
}
ProductSearchService --> SearchEngine : uses
ProductSearchService --> FacetEngine : uses
ProductSearchService --> RecommendationEngine : consults
ProductSearchService --> AutocompleteService : uses
classDiagram
class ProductInformationManager {
<<Domain Service>>
-ValidationService validator
-EnrichmentService enricher
-TranslationService translator
+createProduct(data) Product
+enrichProduct(productId) void
+validateProduct(product) ValidationResult
+translateProduct(productId, language) TranslatedProduct
-normalizeData(data) NormalizedData
}
class ProductEnricher {
<<Service>>
-DataSourceConnector connector
-RuleEngine rules
+enrich(product) EnrichedProduct
+fetchManufacturerData(manufacturer) ManufacturerInfo
+enhanceDescription(description) String
+generateTags(product) List~Tag~
}
class ProductValidator {
<<Service>>
-List~ValidationRule~ rules
-SchemaValidator schema
+validate(product) ValidationResult
+validateCompleteness(product) Completeness
+validateConsistency(product) boolean
-checkRequiredFields(product) List~Error~
}
class BulkOperationService {
<<Service>>
-BatchProcessor processor
-ImportValidator validator
+bulkImport(file) ImportResult
+bulkUpdate(updates) UpdateResult
+bulkExport(criteria) ExportFile
-processInBatches(items) void
}
class VersioningService {
<<Service>>
-VersionStore store
-DiffCalculator differ
+createVersion(product) Version
+getHistory(productId) List~Version~
+compareVersions(v1, v2) Diff
+rollback(productId, versionId) void
}
ProductInformationManager --> ProductEnricher : uses
ProductInformationManager --> ProductValidator : validates with
ProductInformationManager --> BulkOperationService : delegates bulk ops
ProductInformationManager --> VersioningService : tracks versions
Category and Taxonomy Management
classDiagram
class CategoryManager {
<<Domain Service>>
-CategoryRepository repository
-TaxonomyValidator validator
+createCategory(category) CategoryId
+moveCategory(categoryId, newParent) void
+mergeCategories(source, target) void
+deleteCategory(categoryId) void
-validateHierarchy(category) boolean
-updatePaths(category) void
}
class TaxonomyTree {
<<Entity>>
-TreeNode root
-Map~String, TreeNode~ nodeMap
-int maxDepth
+addNode(category, parentId) void
+removeNode(categoryId) void
+findNode(categoryId) TreeNode
+getPath(categoryId) List~Category~
+getDescendants(categoryId) List~Category~
}
class CategoryAttribute {
<<Entity>>
-String attributeId
-String name
-AttributeType type
-boolean inherited
-boolean mandatory
-List~String~ allowedValues
+validate(value) boolean
+inherit() CategoryAttribute
}
class NavigationBuilder {
<<Service>>
-CategoryTree tree
-FilterService filters
+buildNavigation(context) Navigation
+getBreadcrumbs(categoryId) List~Breadcrumb~
+getCategoryMenu() Menu
+getCategoryFilters(categoryId) List~Filter~
}
CategoryManager --> TaxonomyTree : manages
TaxonomyTree "1" --> "*" CategoryAttribute : defines
CategoryManager --> NavigationBuilder : uses
classDiagram
class PricingEngine {
<<Domain Service>>
-PriceCalculator calculator
-PromotionEngine promotions
-TaxCalculator tax
+calculatePrice(product, quantity, context) Price
+applyPromotions(price, promotions) Price
+calculateTax(price, location) Tax
-selectPricingStrategy(context) PricingStrategy
}
class PricingStrategy {
<<Strategy Interface>>
+calculatePrice(product, context) Money
}
class TieredPricing {
<<Strategy>>
-List~PriceTier~ tiers
+calculatePrice(product, context) Money
-findApplicableTier(quantity) PriceTier
}
class DynamicPricing {
<<Strategy>>
-MLPricingModel model
-MarketDataService market
+calculatePrice(product, context) Money
-predictOptimalPrice(product, demand) Money
}
class BundlePricing {
<<Strategy>>
-BundleConfiguration config
+calculatePrice(product, context) Money
-calculateBundleDiscount(items) Money
}
class Promotion {
<<Entity>>
-String promotionId
-PromotionType type
-List~Condition~ conditions
-DiscountRule discount
-DateTime startDate
-DateTime endDate
-int priority
+isApplicable(context) boolean
+apply(price) Money
+canCombine(other) boolean
}
PricingEngine --> PricingStrategy : uses
PricingStrategy <|.. TieredPricing
PricingStrategy <|.. DynamicPricing
PricingStrategy <|.. BundlePricing
PricingEngine --> Promotion : applies
Media and Content Management
classDiagram
class MediaManager {
<<Service>>
-MediaStorage storage
-ImageProcessor processor
-CDNService cdn
+uploadImage(image) MediaAsset
+processImage(image, operations) ProcessedImage
+generateThumbnails(image) List~Thumbnail~
+getMediaUrl(assetId) URL
-optimizeImage(image) OptimizedImage
}
class MediaAsset {
<<Entity>>
-String assetId
-MediaType type
-String filename
-String mimeType
-long size
-Dimensions dimensions
-Map~String, String~ metadata
-List~MediaVariant~ variants
+createVariant(specification) MediaVariant
+getUrl(variant) URL
}
class ContentManager {
<<Service>>
-ContentRepository repository
-LocalizationService localizer
+createContent(content) ContentId
+localizeContent(contentId, locale) LocalizedContent
+approveContent(contentId) void
+publishContent(contentId) void
}
class SEOManager {
<<Service>>
-MetaDataGenerator generator
-URLBuilder urlBuilder
+generateMetaTags(product) MetaTags
+generateSitemap(products) Sitemap
+createCanonicalUrl(product) URL
+generateStructuredData(product) JsonLD
}
MediaManager --> MediaAsset : manages
ContentManager --> MediaManager : uses
ContentManager --> SEOManager : coordinates
Integration and Events
classDiagram
class ProductEvent {
<<Abstract Event>>
-String eventId
-String productId
-DateTime occurredAt
+getEventType() String
}
class ProductCreatedEvent {
<<Event>>
-Product product
-String createdBy
+getEventType() String
}
class ProductUpdatedEvent {
<<Event>>
-Map~String, Object~ changes
-String updatedBy
+getEventType() String
}
class PriceChangedEvent {
<<Event>>
-Money oldPrice
-Money newPrice
-String reason
+getEventType() String
}
class ProductDiscontinuedEvent {
<<Event>>
-String reason
-DateTime effectiveDate
+getEventType() String
}
class ProductIntegrationService {
<<Integration Service>>
-ERPConnector erp
-MarketplaceConnector marketplaces
-InventoryConnector inventory
+syncWithERP() SyncResult
+publishToMarketplace(product, marketplace) void
+updateInventory(product, stock) void
+importFromSupplier(supplierId) List~Product~
}
ProductEvent <|-- ProductCreatedEvent
ProductEvent <|-- ProductUpdatedEvent
ProductEvent <|-- PriceChangedEvent
ProductEvent <|-- ProductDiscontinuedEvent
ProductIntegrationService ..> ProductEvent : publishes