Basic TUI to add new service configuration

internal/backends/backends.go

@@ -19,6 +19,7 @@ package backends
 import (
 	"fmt"
 	"reflect"
+	"sort"
 	"strings"
 
 	"github.com/spf13/viper"
@@ -41,6 +42,24 @@ type BackendInfo struct {
 	ImportCapabilities []Capability
 }
 
+func (b BackendInfo) String() string {
+	return b.Name
+}
+
+type BackendList []BackendInfo
+
+func (l BackendList) Len() int {
+	return len(l)
+}
+
+func (l BackendList) Less(i, j int) bool {
+	return l[i].Name < l[j].Name
+}
+
+func (l BackendList) Swap(i, j int) {
+	l[i], l[j] = l[j], l[i]
+}
+
 type Capability = string
 
 func ResolveBackend[T interface{}](config *viper.Viper) (T, error) {
@@ -59,8 +78,8 @@ func ResolveBackend[T interface{}](config *viper.Viper) (T, error) {
 	return result, err
 }
 
-func GetBackends() []BackendInfo {
-	backends := make([]BackendInfo, 0)
+func GetBackends() BackendList {
+	backends := make(BackendList, 0)
 	for name, backendFunc := range knownBackends {
 		backend := backendFunc()
 		info := BackendInfo{
@@ -71,6 +90,7 @@ func GetBackends() []BackendInfo {
 		backends = append(backends, info)
 	}
 
+	sort.Sort(backends)
 	return backends
 }
 

internal/config/config.go

@@ -16,9 +16,11 @@ Scotty. If not, see <https://www.gnu.org/licenses/>.
 package config
 
 import (
+	"fmt"
 	"os"
 	"path"
 	"path/filepath"
+	"regexp"
 
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
@@ -74,6 +76,17 @@ func DatabasePath() string {
 	return filepath.Join(getConfigDir(), path)
 }
 
+func ValidateKey(key string) error {
+	found, err := regexp.MatchString("^[A-Za-z0-9_-]+$", key)
+	if err != nil {
+		return err
+	} else if found {
+		return nil
+	} else {
+		return fmt.Errorf("key must only consist of A-Za-z0-9_-")
+	}
+}
+
 func setDefaults() {
 	viper.SetDefault("database", defaultDatabase)
 	viper.SetDefault("oauth-host", defaultOAuthHost)

internal/config/config_test.go

@@ -0,0 +1,32 @@
+/*
+Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
+
+Scotty is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later version.
+
+Scotty is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+Scotty. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package config_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"go.uploadedlobster.com/scotty/internal/config"
+)
+
+func TestTimestampUpdate(t *testing.T) {
+	assert := assert.New(t)
+	assert.Nil(config.ValidateKey("foo"))
+	assert.Nil(config.ValidateKey("foo123"))
+	assert.Nil(config.ValidateKey("foo_bar-123"))
+	assert.NotNil(config.ValidateKey("foo/bar"))
+	assert.NotNil(config.ValidateKey("bär"))
+}

internal/config/services.go

@@ -0,0 +1,33 @@
+/*
+Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
+
+Scotty is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later version.
+
+Scotty is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+Scotty. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package config
+
+import "github.com/spf13/viper"
+
+type ServiceConfig struct {
+	Name         string
+	Backend      string
+	ConfigValues map[string]any
+}
+
+func (c *ServiceConfig) Save() error {
+	key := "service." + c.Name
+	viper.Set(key+".backend", c.Backend)
+	for k, v := range c.ConfigValues {
+		viper.Set(key+"."+k, v)
+	}
+	return viper.WriteConfig()
+}