First pass implementation of an SQLite backing store for fetched opportunities

internal/cli/confirmAction.go

@@ -0,0 +1,34 @@
+package cli
+
+import (
+	"bufio"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+)
+
+// Confirm asks the user the yes/no question s on stdin and reports whether
+// they answered yes. "y" and "yes" confirm, "n" and "no" refuse, in any case;
+// anything else asks again. It exits the program if stdin can't be read.
+func Confirm(s string) bool {
+	reader := bufio.NewReader(os.Stdin)
+
+	for {
+		fmt.Printf("%s [y/n]: ", s)
+
+		response, err := reader.ReadString('\n')
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		response = strings.ToLower(strings.TrimSpace(response))
+
+		switch response {
+		case "y", "yes":
+			return true
+		case "n", "no":
+			return false
+		}
+	}
+}