DRY code - [NEEDS TESTING]

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/github.com/matrix-org/go-neb/services/github/github.go

@@ -332,70 +332,46 @@ func (s *Service) cmdGithubAssign(roomID, userID string, args []string) (interfa
 	return gomatrix.TextMessage{"m.notice", fmt.Sprintf("Added assignees to issue: %s", *issue.HTMLURL)}, nil
 }
 
-const cmdGithubCloseUsage = `!github close [owner/repo]#issue`
-
-func (s *Service) cmdGithubClose(roomID, userID string, args []string) (interface{}, error) {
+func (s *Service) githubIssueCloseReopen(roomID, userID string, args []string, state, verb, help string) (interface{}, error) {
 	cli, resp, err := s.requireGithubClientFor(userID)
 	if cli == nil {
 		return resp, err
 	}
 	if len(args) == 0 {
-		return &gomatrix.TextMessage{"m.notice", "Usage: " + cmdGithubCloseUsage}, nil
+		return &gomatrix.TextMessage{"m.notice", "Usage: " + help}, nil
 	}
 
 	// get owner,repo,issue,resp out of args[0]
-	owner, repo, issueNum, resp := s.getIssueDetailsFor(args[0], roomID, cmdGithubCloseUsage)
+	owner, repo, issueNum, resp := s.getIssueDetailsFor(args[0], roomID, help)
 	if resp != nil {
 		return resp, nil
 	}
 
-	state := "closed"
 	issueComment, res, err := cli.Issues.Edit(owner, repo, issueNum, &gogithub.IssueRequest{
 		State: &state,
 	})
 
 	if err != nil {
-		log.WithField("err", err).Print("Failed to close issue")
+		log.WithField("err", err).Print("Failed to %s issue", verb)
 		if res == nil {
-			return nil, fmt.Errorf("Failed to close issue. Failed to connect to Github")
+			return nil, fmt.Errorf("Failed to %s issue. Failed to connect to Github", verb)
 		}
-		return nil, fmt.Errorf("Failed to close issue. HTTP %d", res.StatusCode)
+		return nil, fmt.Errorf("Failed to %s issue. HTTP %d", verb, res.StatusCode)
 	}
 
 	return gomatrix.TextMessage{"m.notice", fmt.Sprintf("Closed issue: %s", *issueComment.HTMLURL)}, nil
 }
 
-const cmdGithubReopenUsage = `!github reopen [owner/repo]#issue`
-
-func (s *Service) cmdGithubReopen(roomID, userID string, args []string) (interface{}, error) {
-	cli, resp, err := s.requireGithubClientFor(userID)
-	if cli == nil {
-		return resp, err
-	}
-	if len(args) == 0 {
-		return &gomatrix.TextMessage{"m.notice", "Usage: " + cmdGithubReopenUsage}, nil
-	}
-
-	// get owner,repo,issue,resp out of args[0]
-	owner, repo, issueNum, resp := s.getIssueDetailsFor(args[0], roomID, cmdGithubReopenUsage)
-	if resp != nil {
-		return resp, nil
-	}
+const cmdGithubCloseUsage = `!github close [owner/repo]#issue`
 
-	state := "open"
-	issueComment, res, err := cli.Issues.Edit(owner, repo, issueNum, &gogithub.IssueRequest{
-		State: &state,
-	})
+func (s *Service) cmdGithubClose(roomID, userID string, args []string) (interface{}, error) {
+	return s.githubIssueCloseReopen(roomID, userID, args, "closed", "close", cmdGithubCloseUsage)
+}
 
-	if err != nil {
-		log.WithField("err", err).Print("Failed to reopen issue")
-		if res == nil {
-			return nil, fmt.Errorf("Failed to reopen issue. Failed to connect to Github")
-		}
-		return nil, fmt.Errorf("Failed to reopen issue. HTTP %d", res.StatusCode)
-	}
+const cmdGithubReopenUsage = `!github reopen [owner/repo]#issue`
 
-	return gomatrix.TextMessage{"m.notice", fmt.Sprintf("Reopened issue: %s", *issueComment.HTMLURL)}, nil
+func (s *Service) cmdGithubReopen(roomID, userID string, args []string) (interface{}, error) {
+	return s.githubIssueCloseReopen(roomID, userID, args, "closed", "close", cmdGithubCloseUsage)
 }
 
 func (s *Service) getIssueDetailsFor(input, roomID, usage string) (owner, repo string, issueNum int, resp interface{}) {