Implement basic flavor support

internal/wisski/ingredient/barrel/manager/manager.go

@@ -1,6 +1,9 @@
 package manager
 
 import (
+	"maps"
+	"slices"
+
 	"github.com/FAU-CDI/wisski-distillery/internal/wisski/ingredient"
 	"github.com/FAU-CDI/wisski-distillery/internal/wisski/ingredient/barrel"
 	"github.com/FAU-CDI/wisski-distillery/internal/wisski/ingredient/barrel/composer"
@@ -27,8 +30,81 @@ type Manager struct {
 	}
 }
 
+// profiles contains the list of default profiles
+var (
+	defaultProfile = "Drupal 10"
+	profiles       = map[string]Profile{
+		"Drupal 9": {
+			Description: "Legacy Version of Drupal with default packages",
+
+			Drupal: "^9",
+			WissKI: "",
+			InstallModules: []string{
+				"drupal/inline_entity_form:^1.0@RC",
+				"drupal/imagemagick",
+				"drupal/image_effects",
+				"drupal/colorbox",
+			},
+			EnableModules: []string{
+				"drupal/devel:^4.1",
+				"drupal/geofield:^1.40",
+				"drupal/geofield_map:^2.85",
+				"drupal/imce:^2.4",
+				"drupal/remove_generator:^2.0",
+			},
+		},
+		"Drupal 10": {
+			Description: "Current Version of Drupal with default packages",
+
+			Drupal: "^10",
+			WissKI: "",
+			InstallModules: []string{
+
+				"drupal/inline_entity_form:^1.0@RC",
+				"drupal/imagemagick",
+				"drupal/image_effects",
+				"drupal/colorbox",
+			},
+			EnableModules: []string{
+				"drupal/devel:^5.0",
+				"drupal/geofield:^1.56",
+				"drupal/geofield_map:^3.0",
+				"drupal/imce:^3.0",
+				"drupal/remove_generator:^2.0",
+			},
+		},
+	}
+)
+
+// TODO: All of these should move to the config
+
+func LoadDefaultProfile() Profile {
+	return LoadProfile(DefaultProfile())
+}
+
+func Profiles() map[string]Profile {
+	return maps.Clone(profiles)
+}
+
+func LoadProfile(name string) Profile {
+	return profiles[name]
+}
+
+func HasProfile(name string) bool {
+	_, ok := profiles[name]
+	return ok
+}
+
+func DefaultProfile() string {
+	return defaultProfile
+}
+
 // Profile represents a profile applied to a WissKI instance of the Distillery.
 type Profile struct {
+	// Description is a human-readable description for this profile.
+	// It is only used by the frontend.
+	Description string
+
 	Drupal string // Version of Drupal to use
 	WissKI string // Version of WissKI to use
 
@@ -36,29 +112,25 @@ type Profile struct {
 	EnableModules  []string // Modules to be installed and enabled
 }
 
-// DefaultDrupalVersion is the default drupal version
-const DefaultDrupalVersion = "^9.0.0"
-
-// ApplyDefaults applies the default settings to missing profile settings.
-func (profile *Profile) ApplyDefaults() {
+// Apply copies over defaults from the other profile to this one.
+// If a field is already set, no defaults are copied.
+func (profile *Profile) Apply(other Profile) {
 	if profile.Drupal == "" {
-		profile.Drupal = DefaultDrupalVersion
+		profile.Drupal = other.Drupal
+	}
+	if profile.WissKI == "" {
+		profile.WissKI = other.WissKI
 	}
 	if profile.InstallModules == nil {
-		profile.InstallModules = []string{
-			"drupal/inline_entity_form:^1.0@RC",
-			"drupal/imagemagick",
-			"drupal/image_effects",
-			"drupal/colorbox",
-		}
+		profile.InstallModules = slices.Clone(other.InstallModules)
 	}
 	if profile.EnableModules == nil {
-		profile.EnableModules = []string{
-			"drupal/devel:^4.1",
-			"drupal/geofield:^1.40",
-			"drupal/geofield_map:^2.85",
-			"drupal/imce:^2.4",
-			"drupal/remove_generator:^2.0",
-		}
+		profile.EnableModules = slices.Clone(profile.EnableModules)
 	}
 }
+
+// ApplyDefaults loads some set of defaults.
+// If all fields are set, no defaults are applied.
+func (profile *Profile) ApplyDefaults() {
+	profile.Apply(profiles[defaultProfile])
+}