Ask user if update should be performed

sevenkeys/logic/update.go

@@ -2,8 +2,10 @@ package logic
 
 import (
 	"database/sql"
+	"fmt"
 	"sevenkeys/database"
 	"sevenkeys/logic/scryfall"
+	"strings"
 	"time"
 )
 
@@ -30,3 +32,11 @@ func CheckForUpdates(db *sql.DB) (bool, error) {
 
 	return bulkCardsUpdatedTimestamp.After(cachedFileTimestamp), nil
 }
+
+func ConfirmUpdate() bool {
+	fmt.Print("Run update? (y/N) ")
+	var response string
+	fmt.Scan(&response)
+
+	return strings.ToUpper(response) == "Y"
+}

sevenkeys/main.go

@@ -9,16 +9,18 @@ import (
 func main() {
 	db := database.GetDatabaseFromConfig("config.json")
 
+	fmt.Println("Checking for updates...")
 	needsUpdate, err := logic.CheckForUpdates(db)
 	logic.Check(err)
 
 	if needsUpdate {
-		fmt.Println("Needs update")
-		/*
-			if logic.AskForScryfallUpdate() {
+		fmt.Println("Update required.")
+		if logic.ConfirmUpdate() {
+			fmt.Println("User authorized update")
+			/*
 				err = logic.RunScryfallUpdate()
 				logic.Check(err)
-			}
-		*/
+			*/
+		}
 	}
 }