// Package models contains embedded struct definitions
// This file tests embedded struct handling and composition patterns
package models
import (
"time"
)
// BaseModel provides common fields for all entities
type BaseModel struct {
ID int64 `json:"id"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
}
// SoftDelete provides soft delete functionality
type SoftDelete struct {
DeletedAt *time.Time `json:"deleted_at,omitempty"`
IsDeleted bool `json:"is_deleted"`
}
// Timestamped provides timestamp-only embedding
type Timestamped struct {
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
}
// User for embedding tests (simple user type)
type User struct {
ID int64 `json:"id"`
Name string `json:"name"`
Email string `json:"email,omitempty"`
}
// Person represents a person with basic info
type Person struct {
Name string `json:"name"`
Email string `json:"email"`
Phone string `json:"phone,omitempty"`
}
// UserResponse embeds User with additional fields
type UserResponse struct {
User // Anonymous embedding
Token string `json:"token"`
Roles []string `json:"roles,omitempty"`
}
// ExtendedUser uses pointer embedding
type ExtendedUser struct {
*User
Preferences map[string]string `json:"preferences,omitempty"`
}
// CompleteProfile combines multiple embeddings
type CompleteProfile struct {
User
*AddressInfo
Bio string `json:"bio,omitempty"`
}
// OverriddenUser overrides embedded field
type OverriddenUser struct {
User
ID string `json:"id"` // Override int64 ID with string
Role string `json:"role"`
}
// ComposedType for allOf pattern
type ComposedType struct {
User
SoftDelete
Extra string `json:"extra"`
}
// Employee embeds Person anonymously (composition)
type Employee struct {
Person // Anonymous embedding - fields flattened
EmployeeID string `json:"employee_id"`
Department string `json:"department"`
HireDate time.Time `json:"hire_date"`
}
// Manager extends Employee with additional fields
type Manager struct {
Employee // Nested anonymous embedding
TeamSize int `json:"team_size"`
Level string `json:"level"`
}
// Customer embeds multiple types
type Customer struct {
BaseModel // Anonymous embedding
Person // Anonymous embedding - overlapping would fail in real Go
CustomerNumber string `json:"customer_number"`
Tier string `json:"tier"`
}
// Article with soft delete capability
type Article struct {
BaseModel // ID, created_at, updated_at
SoftDelete // deleted_at, is_deleted
Title string `json:"title"`
Content string `json:"content"`
AuthorID int64 `json:"author_id"`
}
// AuditLog demonstrates embedding with override
type AuditLog struct {
BaseModel
// Override embedded field
ID string `json:"id"` // Override int64 ID with string UUID
Action string `json:"action"`
EntityType string `json:"entity_type"`
EntityID string `json:"entity_id"`
}
// PointerEmbedding demonstrates pointer embedding
type PointerEmbedding struct {
*BaseModel // Pointer embedding
Name string `json:"name"`
}
// AddressInfo for embedding test
type AddressInfo struct {
Street string `json:"street"`
City string `json:"city"`
State string `json:"state"`
ZipCode string `json:"zip_code"`
Country string `json:"country"`
}
// ContactInfo embeds AddressInfo with pointer
type ContactInfo struct {
*AddressInfo // Pointer to embedded struct
Phone string `json:"phone"`
Email string `json:"email"`
Website string `json:"website,omitempty"`
}
// Company demonstrates complex embedding hierarchy
type Company struct {
BaseModel
Name string `json:"name"`
LegalName string `json:"legal_name"`
Address AddressInfo `json:"address"` // Named field (not embedded)
Contact *ContactInfo `json:"contact,omitempty"`
}
// UserProfile combines multiple embedded types with explicit fields
type UserProfile struct {
BaseModel
SoftDelete
Username string `json:"username"`
DisplayName string `json:"display_name"`
Bio string `json:"bio,omitempty"`
Preferences map[string]string `json:"preferences,omitempty"`
}
// NestedResponse demonstrates response wrapper with embedded data
type NestedResponse struct {
Data interface{} `json:"data"`
Success bool `json:"success"`
}
// UserResponseWrapper embeds user data
type UserResponseWrapper struct {
NestedResponse // Embed response wrapper
User *Person `json:"user"`
}
// GenericEntity demonstrates a pattern with generic-like composition
type GenericEntity struct {
Type string `json:"type"`
Payload interface{} `json:"payload"`
}
// MultiLevelEmbed tests deep embedding
type Level1 struct {
L1Field string `json:"l1_field"`
}
type Level2 struct {
Level1
L2Field string `json:"l2_field"`
}
type Level3 struct {
Level2
L3Field string `json:"l3_field"`
}
type Level4 struct {
Level3
L4Field string `json:"l4_field"`
}
