Merge pull request #47 from ebautistabar/restore

Added restore command

Author: kytrinyx

api.go

@@ -14,6 +14,7 @@ const VERSION = "1.3.2"
 var FetchEndpoints = map[string]string{
 	"current":  "/api/v1/user/assignments/current",
 	"next":     "/api/v1/user/assignments/next",
+	"restore":  "/api/v1/user/assignments/restore",
 	"demo":     "/api/v1/assignments/demo",
 	"exercise": "/api/v1/assignments",
 }

main.go

@@ -148,6 +148,33 @@ func main() {
 				}
 			},
 		},
+		{
+			Name:      "restore",
+			ShortName: "r",
+			Usage:     "Restore completed and current assignments from exercism.io",
+			Action: func(c *cli.Context) {
+				config, err := configuration.FromFile(configuration.HomeDir())
+				if err != nil {
+					fmt.Println("Are you sure you are logged in? Please login again.")
+					return
+				}
+
+				assignments, err := FetchAssignments(config, FetchEndpoints["restore"])
+				if err != nil {
+					fmt.Println(err)
+					return
+				}
+
+				for _, a := range assignments {
+					err := SaveAssignment(config.ExercismDirectory, a)
+					if err != nil {
+						fmt.Println(err)
+					}
+				}
+
+				fmt.Printf("Exercises written to %s\n", config.ExercismDirectory)
+			},
+		},
 		{
 			Name:      "submit",
 			ShortName: "s",