Added cli for general usage of Vikunja (#66)

pkg/cmd/cmd.go

@@ -0,0 +1,54 @@
+//  Vikunja is a todo-list application to facilitate your life.
+//  Copyright 2019 Vikunja and contributors. All rights reserved.
+//
+//  This program 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.
+//
+//  This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"code.vikunja.io/api/pkg/config"
+	"fmt"
+	"github.com/spf13/cobra"
+	"os"
+)
+
+// Version sets the version to be printed to the user. Gets overwritten by "make release" or "make build" with last git commit or tag.
+var Version = "0.1"
+
+func init() {
+	cobra.OnInitialize(config.InitConfig)
+}
+
+var rootCmd = &cobra.Command{
+	Use:   "vikunja",
+	Short: "Vikunja is the to-do app to organize your life.",
+	Long: `Vikunja (/vɪˈkuːnjə/)
+The to-do app to organize your life.
+
+Also one of the two wild South American camelids which live in the high
+alpine areas of the Andes and a relative of the llama.
+
+Vikunja is a self-hosted To-Do list application with a web app and mobile apps for all platforms. It is licensed under the GPLv3.
+
+Find more info at vikunja.io.`,
+	Run: webCmd.Run,
+}
+
+// Execute starts the application
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}

pkg/cmd/version.go

@@ -0,0 +1,34 @@
+//   Vikunja is a todo-list application to facilitate your life.
+//   Copyright 2019 Vikunja and contributors. All rights reserved.
+//
+//   This program 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.
+//
+//   This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"fmt"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Print the version number of Vikunja",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println("Vikunja api version " + Version)
+	},
+}

pkg/cmd/web.go

@@ -0,0 +1,83 @@
+//   Vikunja is a todo-list application to facilitate your life.
+//   Copyright 2019 Vikunja and contributors. All rights reserved.
+//
+//   This program 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.
+//
+//   This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"code.vikunja.io/api/pkg/log"
+	"code.vikunja.io/api/pkg/mail"
+	"code.vikunja.io/api/pkg/models"
+	"code.vikunja.io/api/pkg/routes"
+	"code.vikunja.io/api/pkg/swagger"
+	"context"
+	"fmt"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"os"
+	"os/signal"
+	"time"
+)
+
+func init() {
+	rootCmd.AddCommand(webCmd)
+}
+
+var webCmd = &cobra.Command{
+	Use:   "web",
+	Short: "Starts the rest api web server",
+	Run: func(cmd *cobra.Command, args []string) {
+
+		// Set logger
+		log.InitLogger()
+
+		// Set Engine
+		err := models.SetEngine()
+		if err != nil {
+			log.Log.Fatal(err.Error())
+		}
+
+		// Start the mail daemon
+		mail.StartMailDaemon()
+
+		// Version notification
+		fmt.Printf("Vikunja version %s\n", Version)
+
+		// Additional swagger information
+		swagger.SwaggerInfo.Version = Version
+
+		// Start the webserver
+		e := routes.NewEcho()
+		routes.RegisterRoutes(e)
+		// Start server
+		go func() {
+			if err := e.Start(viper.GetString("service.interface")); err != nil {
+				e.Logger.Info("shutting down...")
+			}
+		}()
+
+		// Wait for interrupt signal to gracefully shutdown the server with
+		// a timeout of 10 seconds.
+		quit := make(chan os.Signal, 1)
+		signal.Notify(quit, os.Interrupt)
+		<-quit
+		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+		log.Log.Infof("Shutting down...")
+		if err := e.Shutdown(ctx); err != nil {
+			e.Logger.Fatal(err)
+		}
+	},
+}