외부 IdP 연동 관리 API 기능 구현

backend/internal/domain/federation_models.go

@@ -0,0 +1,51 @@
+package domain
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+// ProviderType defines the type of the identity provider.
+type ProviderType string
+
+const (
+	ProviderTypeOIDC ProviderType = "oidc"
+	ProviderTypeSAML ProviderType = "saml"
+)
+
+// IdentityProviderConfig stores the configuration for an external Identity Provider.
+type IdentityProviderConfig struct {
+	ID           string         `gorm:"primaryKey;type:uuid;default:gen_random_uuid()" json:"id"`
+	TenantID     string         `gorm:"type:uuid;not null;index" json:"tenant_id"`
+	Tenant       Tenant         `gorm:"foreignKey:TenantID" json:"-"` // Belongs to Tenant
+	ProviderType ProviderType   `gorm:"type:varchar(10);not null" json:"provider_type"`
+	DisplayName  string         `gorm:"not null" json:"display_name"`
+	Status       string         `gorm:"default:'active'" json:"status"`
+
+	// OIDC Specific Fields
+	IssuerURL    *string `gorm:"null" json:"issuer_url,omitempty"`
+	ClientID     *string `gorm:"null" json:"client_id,omitempty"`
+	ClientSecret *string `gorm:"null" json:"client_secret,omitempty"`
+	// Scopes are space-separated
+	Scopes *string `gorm:"null" json:"scopes,omitempty"`
+
+	// SAML Specific Fields
+	MetadataURL *string `gorm:"null" json:"metadata_url,omitempty"`
+	MetadataXML *string `gorm:"type:text;null" json:"metadata_xml,omitempty"`
+	EntityID    *string `gorm:"null" json:"entity_id,omitempty"`
+	AcsURL      *string `gorm:"null" json:"acs_url,omitempty"`
+
+	CreatedAt time.Time      `json:"createdAt"`
+	UpdatedAt time.Time      `json:"updatedAt"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+}
+
+// BeforeCreate hook to generate UUID if not present.
+func (idc *IdentityProviderConfig) BeforeCreate(tx *gorm.DB) (err error) {
+	if idc.ID == "" {
+		idc.ID = uuid.NewString()
+	}
+	return
+}