feat(login): use new IDP templates (#5315)

The login uses the new template based IDPs with backwards compatibility for old IDPs

internal/domain/idp.go

@@ -34,3 +34,12 @@ const (
 	IDPTypeGitLabSelfHosted
 	IDPTypeGoogle
 )
+
+func (t IDPType) GetCSSClass() string {
+	switch t { //nolint:exhaustive
+	case IDPTypeGoogle:
+		return "google"
+	default:
+		return ""
+	}
+}

internal/domain/idp_config.go

@@ -69,6 +69,8 @@ type JWTIDPConfig struct {
 	HeaderName   string
 }
 
+// IDPConfigType
+// Deprecated: use [IDPType]
 type IDPConfigType int32
 
 const (
@@ -85,6 +87,8 @@ func (f IDPConfigType) Valid() bool {
 	return f >= 0 && f < idpConfigTypeCount
 }
 
+// IDPConfigState
+// Deprecated: use [IDPStateType]
 type IDPConfigState int32
 
 const (
@@ -104,6 +108,8 @@ func (s IDPConfigState) Exists() bool {
 	return s != IDPConfigStateUnspecified && s != IDPConfigStateRemoved
 }
 
+// IDPConfigStylingType
+// Deprecated: use a concrete provider
 type IDPConfigStylingType int32
 
 const (

internal/domain/policy_login.go

@@ -55,10 +55,10 @@ type IDPProvider struct {
 	Type        IdentityProviderType
 	IDPConfigID string
 
-	Name          string
-	StylingType   IDPConfigStylingType
-	IDPConfigType IDPConfigType
-	IDPState      IDPConfigState
+	Name        string
+	StylingType IDPConfigStylingType // deprecated
+	IDPType     IDPType
+	IDPState    IDPConfigState
 }
 
 func (p IDPProvider) IsValid() bool {