From 48c40ede273bec2f53dd8164db46f902a0b527c8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20=27Necoro=27=20Neumann?= <necoro@necoro.eu>
Date: Sun, 21 Feb 2021 17:43:10 +0100
Subject: #25 Normalize folder names

---
 CHANGELOG.md            |  6 +++++-
 internal/imap/folder.go | 10 +++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 651c0c6..f885f79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,10 +5,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
-### Added
+### Changed
 - Remove `srcset` attribute of `img` tags when including images in mail
+- Strip whitespaces from folder names
+
 ### Fixed
 - [Issue #39](https://github.com/Necoro/feed2imap-go/issues/39): Do not re-introduce deleted mails, even though `reupload-if-updated` is false.
+- [Issue #25](https://github.com/Necoro/feed2imap-go/issues/25): Normalize folder names, so `foo` and `foo/` are not seen as different folders.
+
 
 ## [0.6.0] - 2021-02-14
 ### Fixed
diff --git a/internal/imap/folder.go b/internal/imap/folder.go
index e845862..6353bb3 100644
--- a/internal/imap/folder.go
+++ b/internal/imap/folder.go
@@ -21,9 +21,17 @@ func (f Folder) Append(other Folder) Folder {
 	}
 }
 
+func buildFolderName(path []string, delimiter string) (name string) {
+	name = strings.Join(path, delimiter)
+	if delimiter != "" {
+		name = strings.Trim(name, delimiter[0:1])
+	}
+	return
+}
+
 func (cl *Client) folderName(path []string) Folder {
 	return Folder{
-		strings.Join(path, cl.delimiter),
+		buildFolderName(path, cl.delimiter),
 		cl.delimiter,
 	}
 }
-- 
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