refactor: refactor migrations and add fixtures

feat: introduce key-value store
feat: imprint page (resolve #23)
chore: remove default user
chore: remove packr

services/alias.go

@@ -46,7 +46,7 @@ func (srv *AliasService) GetAliasOrDefault(userId string, summaryType uint8, val
 	return "", errors.New("user aliases not initialized")
 }
 
-func (src *AliasService) IsInitialized(userId string) bool {
+func (srv *AliasService) IsInitialized(userId string) bool {
 	if _, ok := userAliases.Load(userId); ok {
 		return true
 	}

services/key_value.go

@@ -0,0 +1,62 @@
+package services
+
+import (
+	"errors"
+	"github.com/jinzhu/gorm"
+	"github.com/muety/wakapi/models"
+)
+
+type KeyValueService struct {
+	Config *models.Config
+	Db     *gorm.DB
+}
+
+func NewKeyValueService(db *gorm.DB) *KeyValueService {
+	return &KeyValueService{
+		Config: models.GetConfig(),
+		Db:     db,
+	}
+}
+
+func (srv *KeyValueService) GetString(key string) (*models.KeyStringValue, error) {
+	kv := &models.KeyStringValue{}
+	if err := srv.Db.
+		Where(&models.KeyStringValue{Key: key}).
+		First(&kv).Error; err != nil {
+		return nil, err
+	}
+
+	return kv, nil
+}
+
+func (srv *KeyValueService) PutString(kv *models.KeyStringValue) error {
+	result := srv.Db.
+		Where(&models.KeyStringValue{Key: kv.Key}).
+		Assign(kv).
+		FirstOrCreate(kv)
+
+	if err := result.Error; err != nil {
+		return err
+	}
+
+	if result.RowsAffected != 1 {
+		return errors.New("nothing updated")
+	}
+
+	return nil
+}
+
+func (srv *KeyValueService) DeleteString(key string) error {
+	result := srv.Db.
+		Delete(&models.KeyStringValue{}, &models.KeyStringValue{Key: key})
+
+	if err := result.Error; err != nil {
+		return err
+	}
+
+	if result.RowsAffected != 1 {
+		return errors.New("nothing deleted")
+	}
+
+	return nil
+}