hot fix #1

internal/models/i18n.go

@@ -0,0 +1,137 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// Language represents a supported language
+type Language struct {
+	ID         string    `gorm:"primaryKey;type:varchar(5)" json:"id"`
+	Name       string    `gorm:"type:varchar(100);not null" json:"name"`
+	NativeName string    `gorm:"type:varchar(100);not null" json:"native_name"`
+	Code       string    `gorm:"type:varchar(10);not null;uniqueIndex" json:"code"`
+	IsDefault  bool      `gorm:"default:false" json:"is_default"`
+	IsActive   bool      `gorm:"default:true" json:"is_active"`
+	SortOrder  int       `gorm:"default:0" json:"sort_order"`
+	CreatedAt  time.Time `json:"created_at"`
+	UpdatedAt  time.Time `json:"updated_at"`
+}
+
+// Translation represents a translatable string
+type Translation struct {
+	ID           uint      `gorm:"primaryKey" json:"id"`
+	Key          string    `gorm:"type:varchar(200);not null;index" json:"key"`
+	LanguageCode string    `gorm:"type:varchar(10);not null;index" json:"language_code"`
+	Value        string    `gorm:"type:text;not null" json:"value"`
+	Context      string    `gorm:"type:varchar(100)" json:"context"` // e.g., "navbar", "admin", "public"
+	CreatedAt    time.Time `json:"created_at"`
+	UpdatedAt    time.Time `json:"updated_at"`
+
+	// Relationships
+	Language Language `gorm:"foreignKey:LanguageCode;references:Code" json:"language,omitempty"`
+}
+
+// ContentTranslation represents translations for content like articles, activities, etc.
+type ContentTranslation struct {
+	ID              uint      `gorm:"primaryKey" json:"id"`
+	ContentType     string    `gorm:"type:varchar(50);not null;index" json:"content_type"` // "article", "activity", "page", etc.
+	ContentID       uint      `gorm:"not null;index" json:"content_id"`
+	LanguageCode    string    `gorm:"type:varchar(10);not null;index" json:"language_code"`
+	Title           string    `gorm:"type:varchar(500)" json:"title"`
+	Content         string    `gorm:"type:text" json:"content"`
+	Excerpt         string    `gorm:"type:text" json:"excerpt"`
+	MetaTitle       string    `gorm:"type:varchar(200)" json:"meta_title"`
+	MetaDescription string    `gorm:"type:varchar(500)" json:"meta_description"`
+	CreatedAt       time.Time `json:"created_at"`
+	UpdatedAt       time.Time `json:"updated_at"`
+
+	// Relationships
+	Language Language `gorm:"foreignKey:LanguageCode;references:Code" json:"language,omitempty"`
+}
+
+// UserLanguagePreference tracks user's preferred language
+type UserLanguagePreference struct {
+	ID           uint      `gorm:"primaryKey" json:"id"`
+	UserID       uint      `gorm:"not null;uniqueIndex" json:"user_id"`
+	LanguageCode string    `gorm:"type:varchar(10);not null" json:"language_code"`
+	CreatedAt    time.Time `json:"created_at"`
+	UpdatedAt    time.Time `json:"updated_at"`
+
+	// Relationships
+	User     User     `gorm:"foreignKey:UserID" json:"user,omitempty"`
+	Language Language `gorm:"foreignKey:LanguageCode;references:Code" json:"language,omitempty"`
+}
+
+// TableName returns the table name for Language model
+func (Language) TableName() string {
+	return "languages"
+}
+
+// TableName returns the table name for Translation model
+func (Translation) TableName() string {
+	return "translations"
+}
+
+// TableName returns the table name for ContentTranslation model
+func (ContentTranslation) TableName() string {
+	return "content_translations"
+}
+
+// TableName returns the table name for UserLanguagePreference model
+func (UserLanguagePreference) TableName() string {
+	return "user_language_preferences"
+}
+
+// BeforeCreate sets default values
+func (l *Language) BeforeCreate(tx *gorm.DB) error {
+	if l.SortOrder == 0 {
+		l.SortOrder = 100
+	}
+	return nil
+}
+
+// GetDefaultLanguage returns the default language
+func GetDefaultLanguage(db *gorm.DB) (*Language, error) {
+	var lang Language
+	err := db.Where("is_default = ? AND is_active = ?", true, true).First(&lang).Error
+	if err != nil {
+		return nil, err
+	}
+	return &lang, nil
+}
+
+// GetActiveLanguages returns all active languages ordered by sort order
+func GetActiveLanguages(db *gorm.DB) ([]Language, error) {
+	var languages []Language
+	err := db.Where("is_active = ?", true).Order("sort_order ASC, name ASC").Find(&languages).Error
+	return languages, err
+}
+
+// GetTranslation returns a translation for a specific key and language
+func GetTranslation(db *gorm.DB, key, languageCode string) (*Translation, error) {
+	var translation Translation
+	err := db.Where("key = ? AND language_code = ?", key, languageCode).First(&translation).Error
+	if err != nil {
+		return nil, err
+	}
+	return &translation, nil
+}
+
+// GetTranslationWithFallback returns a translation, falling back to default language if needed
+func GetTranslationWithFallback(db *gorm.DB, key, languageCode string) (*Translation, error) {
+	// Try requested language first
+	translation, err := GetTranslation(db, key, languageCode)
+	if err == nil {
+		return translation, nil
+	}
+
+	// Fall back to default language
+	defaultLang, err := GetDefaultLanguage(db)
+	if err != nil {
+		return nil, err
+	}
+
+	return GetTranslation(db, key, defaultLang.Code)
+}