Add some user related commands

server/app/app.go

@@ -0,0 +1,18 @@
+package app
+
+import (
+	"git.ctrlz.es/mgdelacroix/craban/model"
+	"git.ctrlz.es/mgdelacroix/craban/services/store"
+)
+
+type App struct {
+	config *model.Config
+	store  *store.Store
+}
+
+func NewApp(config *model.Config, store *store.Store) *App {
+	return &App{
+		config: config,
+		store:  store,
+	}
+}

server/app/user.go

@@ -0,0 +1,36 @@
+package app
+
+import (
+	"fmt"
+
+	"git.ctrlz.es/mgdelacroix/craban/model"
+	"git.ctrlz.es/mgdelacroix/craban/utils"
+)
+
+func (a *App) CreateUser(username, password, name, mail string) (*model.User, error) {
+	hashedPassword, err := utils.Encrypt(password)
+	if err != nil {
+		return nil, fmt.Errorf("cannot create user: %w", err)
+	}
+
+	newUser := &model.User{
+		Username: username,
+		Password: hashedPassword,
+		Name:     name,
+		Mail:     mail,
+	}
+
+	if err := newUser.IsValid(); err != nil {
+		return nil, fmt.Errorf("invalid user for creation: %w", err)
+	}
+
+	return a.store.User().Create(newUser)
+}
+
+func (a *App) ListUsers() ([]*model.User, error) {
+	return a.store.User().List()
+}
+
+func (a *App) DeleteUserByUsername(username string) error {
+	return a.store.User().DeleteByUsername(username)
+}