107 lines
3.3 KiB
Go
107 lines
3.3 KiB
Go
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package models
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import (
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"time"
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"gorm.io/gorm"
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)
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// DefaultCategory represents a category template for new user initialization
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// These templates are copied to users' categories table when they first access categories
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type DefaultCategory struct {
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ID uint `gorm:"primarykey" json:"id"`
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Name string `gorm:"size:50;not null" json:"name"`
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Icon string `gorm:"size:100" json:"icon"` // Iconify format: mdi:icon-name
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Color string `gorm:"size:20" json:"color"` // HEX color code (e.g., #FF6B35)
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Type CategoryType `gorm:"size:20;not null" json:"type"` // income or expense
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ParentID *uint `gorm:"index" json:"parent_id,omitempty"`
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SortOrder int `gorm:"default:0" json:"sort_order"`
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IsActive bool `gorm:"default:true" json:"is_active"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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// Relationships
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Parent *DefaultCategory `gorm:"foreignKey:ParentID" json:"parent,omitempty"`
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Children []DefaultCategory `gorm:"foreignKey:ParentID" json:"children,omitempty"`
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}
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// TableName specifies the table name for DefaultCategory
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func (DefaultCategory) TableName() string {
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return "default_categories"
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}
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// GetAllDefaultCategories retrieves all active default categories from the database
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func GetAllDefaultCategories(db *gorm.DB) ([]DefaultCategory, error) {
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var categories []DefaultCategory
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err := db.Where("is_active = ?", true).Order("sort_order ASC").Find(&categories).Error
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return categories, err
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}
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// GetDefaultCategoriesWithChildren retrieves all active root categories with their children
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func GetDefaultCategoriesWithChildren(db *gorm.DB) ([]DefaultCategory, error) {
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var categories []DefaultCategory
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err := db.Where("is_active = ? AND parent_id IS NULL", true).
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Preload("Children", "is_active = ?", true).
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Order("sort_order ASC").
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Find(&categories).Error
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return categories, err
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}
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// CopyToUserCategories copies default categories to a user's categories
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// Returns a map of old DefaultCategory ID to new Category ID for parent-child mapping
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func CopyDefaultCategoriesToUser(db *gorm.DB, userID uint) error {
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// Get all default categories
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var defaults []DefaultCategory
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if err := db.Where("is_active = ?", true).Order("sort_order ASC").Find(&defaults).Error; err != nil {
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return err
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}
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if len(defaults) == 0 {
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return nil // No default categories to copy
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}
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// Map to track old ID -> new ID for parent references
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idMap := make(map[uint]uint)
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// First pass: create all root categories (no parent)
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for _, dc := range defaults {
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if dc.ParentID == nil {
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cat := Category{
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UserID: userID,
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Name: dc.Name,
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Icon: dc.Icon,
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Color: dc.Color,
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Type: dc.Type,
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ParentID: nil,
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SortOrder: dc.SortOrder,
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}
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if err := db.Create(&cat).Error; err != nil {
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return err
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}
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idMap[dc.ID] = cat.ID
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}
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}
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// Second pass: create all child categories
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for _, dc := range defaults {
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if dc.ParentID != nil {
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newParentID := idMap[*dc.ParentID]
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cat := Category{
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UserID: userID,
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Name: dc.Name,
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Icon: dc.Icon,
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Color: dc.Color,
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Type: dc.Type,
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ParentID: &newParentID,
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SortOrder: dc.SortOrder,
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}
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if err := db.Create(&cat).Error; err != nil {
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return err
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}
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idMap[dc.ID] = cat.ID
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}
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}
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return nil
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}
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