checkpoint: more static error types

internal/executor/add.go

@@ -1,7 +1,6 @@
 package executor
 
 import (
-	"errors"
 	"fmt"
 
 	"codeflow.dananglin.me.uk/apollo/enbas/internal/client"
@@ -199,7 +198,7 @@ func (a *AddExecutor) addBoostToStatus(gtsClient *client.Client) error {
 
 func (a *AddExecutor) addVoteToStatus(gtsClient *client.Client) error {
 	if a.votes.Empty() {
-		return errors.New("please use --" + flagVote + " to make a choice in this poll")
+		return NoVotesError{}
 	}
 
 	status, err := gtsClient.GetStatus(a.statusID)
@@ -208,7 +207,7 @@ func (a *AddExecutor) addVoteToStatus(gtsClient *client.Client) error {
 	}
 
 	if status.Poll == nil {
-		return errors.New("this status does not have a poll")
+		return NoPollInStatusError{}
 	}
 
 	if status.Poll.Expired {
@@ -225,7 +224,7 @@ func (a *AddExecutor) addVoteToStatus(gtsClient *client.Client) error {
 	}
 
 	if status.Account.ID == myAccountID {
-		return errors.New("you cannot vote in your own poll")
+		return PollOwnerVoteError{}
 	}
 
 	pollID := status.Poll.ID

internal/executor/errors.go

@@ -104,6 +104,24 @@ func (e NoPollOptionError) Error() string {
 		" flag to add options to the poll"
 }
 
+type NoVotesError struct{}
+
+func (e NoVotesError) Error() string {
+	return "no votes were made, please add your vote(s) using the --vote flag"
+}
+
+type NoPollInStatusError struct{}
+
+func (e NoPollInStatusError) Error() string {
+	return "this status does not have a poll"
+}
+
+type PollOwnerVoteError struct{}
+
+func (e PollOwnerVoteError) Error() string {
+	return "you cannot vote in your own poll"
+}
+
 type NotFollowingError struct {
 	Account string
 }

internal/executor/flags.go

@@ -8,11 +8,9 @@ const (
 	flagInstance     = "instance"
 	flagListID       = "list-id"
 	flagListTitle    = "list-title"
-	flagPollID       = "poll-id"
 	flagPollOption   = "poll-option"
 	flagStatusID     = "status-id"
 	flagTag          = "tag"
 	flagTo           = "to"
 	flagType         = "type"
-	flagVote         = "vote"
 )