- Add CLI support

- Add clear cmd
- Add list cmd
- Add version cmd
- Add sync cmd

.gitignore

@@ -0,0 +1,31 @@
+# Created by .ignore support plugin (hsz.mobi)
+### Example user template template
+### Example user template
+
+# Google
+credentials.json
+token.json
+
+# IntelliJ project files
+.idea
+*.iml
+out
+gen
+### Go template
+# Binaries for programs and plugins
+epical
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+

README.md

@@ -1,2 +1,33 @@
-# epical
-Epitech calendar
+# EpiCal
+A simple to synchronize your Epitech events with Google calendar.
+
+# Requirements
+
+To run this script you have to use your Epitech auto login token which can be found [here](https://intra.epitech.eu/admin/autolog).
+The URL is of the form `https://intra.epitech.eu/auth-XXX...`
+The token used by the script is only the right part of the URL after the `auth-` part.
+
+## Installation
+```go
+go build .
+```
+
+## Commands
+
+### Sync
+A command to synchronize Epitech events with your Google calendar. 
+```go
+./epical --token YOUR_EPITECH_AUTOLOGIN_TOKEN sync
+```
+
+### List
+A command to list Epitech events. 
+```go
+./epical --token YOUR_EPITECH_AUTOLOGIN_TOKEN list
+```
+
+### Clear
+Delete all events previously created by EpiCal.
+```go
+./epical --token YOUR_EPITECH_AUTOLOGIN_TOKEN clear
+```

cmd/clear.go

@@ -0,0 +1,16 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/ShellBear/epical/pkg/epical"
+	"github.com/spf13/cobra"
+)
+
+var clearCmd = &cobra.Command{
+	Use:   "clear",
+	Short: "Clear all calendar events generated by Epical",
+	Run: func(cmd *cobra.Command, args []string) {
+		epical.ClearEvents(cmd.Flag("credentials").Value.String())
+		fmt.Println("Successfully cleared calendar events.")
+	},
+}

cmd/cmd.go

@@ -0,0 +1,38 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/spf13/cobra"
+	"os"
+)
+
+var (
+	EpitechToken string
+	Credentials  string
+)
+
+var cli = &cobra.Command{
+	Use:   "epical",
+	Short: "Synchronize your Epitech's events with Google calendar",
+	Long: "A fast and simple way to sync your Epitech calendar with Google.\n" +
+		"Complete documentation is available at https://github.com/shellbear/epical",
+}
+
+func Execute() {
+	cli.PersistentFlags().StringVarP(&EpitechToken, "token", "t", "", "Epitech API Token")
+	cli.PersistentFlags().StringVarP(&Credentials, "credentials", "c", "credentials.json", "Google API credentials")
+
+	cli.MarkPersistentFlagRequired("token")
+
+	if err := cli.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
+
+func init() {
+	cli.AddCommand(versionCmd)
+	cli.AddCommand(clearCmd)
+	cli.AddCommand(listCmd)
+	cli.AddCommand(syncCmd)
+}

cmd/list.go

@@ -0,0 +1,14 @@
+package cmd
+
+import (
+	"github.com/ShellBear/epical/pkg/epical"
+	"github.com/spf13/cobra"
+)
+
+var listCmd = &cobra.Command{
+	Use:   "list",
+	Short: "List all upcoming Epitech events",
+	Run: func(cmd *cobra.Command, args []string) {
+		epical.ListEvents(cmd.Flag("token").Value.String())
+	},
+}

cmd/sync.go

@@ -0,0 +1,16 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/ShellBear/epical/pkg/epical"
+	"github.com/spf13/cobra"
+)
+
+var syncCmd = &cobra.Command{
+	Use:   "sync",
+	Short: "Sync all upcoming Epitech events to Google calendar",
+	Run: func(cmd *cobra.Command, args []string) {
+		epical.SyncCalendar(cmd.Flag("credentials").Value.String(), cmd.Flag("token").Value.String())
+		fmt.Println("Successfully synchronized Epitech events to Google calendar.")
+	},
+}

cmd/version.go

@@ -0,0 +1,15 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/ShellBear/epical/pkg/epical"
+	"github.com/spf13/cobra"
+)
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Print the version number of Epical",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Printf("Epical v%s\n", epical.VERSION)
+	},
+}

go.mod

@@ -0,0 +1,16 @@
+module github.com/ShellBear/epical
+
+go 1.12
+
+require (
+	cloud.google.com/go v0.45.0 // indirect
+	github.com/google/go-cmp v0.3.1 // indirect
+	github.com/hashicorp/golang-lru v0.5.3 // indirect
+	github.com/spf13/cobra v0.0.5
+	golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297
+	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
+	golang.org/x/sys v0.0.0-20190904005037-43c01164e931 // indirect
+	google.golang.org/api v0.9.0
+	google.golang.org/appengine v1.6.2 // indirect
+	google.golang.org/grpc v1.23.0 // indirect
+)

main.go

@@ -0,0 +1,7 @@
+package main
+
+import "github.com/ShellBear/epical/cmd"
+
+func main() {
+	cmd.Execute()
+}

pkg/epical/epical.go

@@ -0,0 +1,97 @@
+package epical
+
+import (
+	"fmt"
+	"log"
+)
+
+const (
+	CALENDAR_NAME = "EpiCal"
+	VERSION       = "0.1"
+)
+
+func ListEvents(epitechToken string) {
+	data, err := GetRegisteredEvents(epitechToken)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if len(data) == 0 {
+		fmt.Println("No upcoming events found.")
+	} else {
+		for _, evt := range data {
+			fmt.Printf("%v (%v-%v)\n", evt.ActiTitle, evt.Start, evt.End)
+		}
+	}
+}
+
+func ClearEvents(credentialsPath string) {
+	svc, err := GetGoogleCalendarService(credentialsPath)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	cal, err := GetGoogleCalendarByName(svc, CALENDAR_NAME)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if cal != nil {
+		events, err := svc.Events.List(cal.Id).Do()
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		for _, evt := range events.Items {
+			err = svc.Events.Delete(cal.Id, evt.Id).Do()
+			if err != nil {
+				log.Fatal(err)
+			}
+		}
+
+		err = svc.Calendars.Delete(cal.Id).Do()
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+}
+
+func SyncCalendar(credentialsPath, token string) {
+	data, err := GetRegisteredEvents(token)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("Found %d events to synchronize.\n", len(data))
+
+	svc, err := GetGoogleCalendarService(credentialsPath)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	ClearEvents(credentialsPath)
+	fmt.Println("Cleared old calendar events.")
+
+	cal, err := GetOrCreateGoogleCalendar(svc, CALENDAR_NAME)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if len(data) == 0 {
+		fmt.Println("There is no upcoming Epitech event.")
+	} else {
+		for _, c := range data {
+			newEvt, err := NewGoogleCalendarEvent(&c)
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			evt, err := svc.Events.Insert(cal.Id, newEvt).Do()
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			log.Println("Created event", evt.Summary)
+		}
+	}
+}