Display original author and URL information when showing migrated issues/comments (#7352)

* Store original author info for migrated issues and comments

Keep original author name for displaying in Gitea interface and also
store original author user ID for potential future use in linking
accounts from old location.

* Add original_url for repo

Store the original URL for a migrated repo

Clean up migrations/tests

* fix migration

* fix golangci-lint

* make 'make revive' happy also

* Modify templates to use OriginalAuthor if set

Use the original author name in templates if it is set rather than the
user who migrated/currently owns the issues

* formatting fixes

* make generate-swagger

* Use default avatar for imported comments

* Remove no longer used IgnoreIssueAuthor option

* Add OriginalAuthorID to swagger also

1 files changed, 11 insertions, 0 deletions

diff --git a/modules/templates/helper.go b/modules/templates/helper.go
index c4551bb4be..5a3969c098 100644
--- a/modules/templates/helper.go
+++ b/modules/templates/helper.go
@@ -82,6 +82,7 @@ func NewFuncMap() []template.FuncMap {
 		"FileSize":      base.FileSize,
 		"Subtract":      base.Subtract,
 		"EntryIcon":     base.EntryIcon,
+		"MigrationIcon": MigrationIcon,
 		"Add": func(a, b int) int {
 			return a + b
 		},
@@ -540,3 +541,13 @@ func TrN(lang string, cnt interface{}, key1, keyN string) string {
 	}
 	return keyN
 }
+
+// MigrationIcon returns a Font Awesome name matching the service an issue/comment was migrated from
+func MigrationIcon(hostname string) string {
+	switch hostname {
+	case "github.com":
+		return "fa-github"
+	default:
+		return "fa-git-alt"
+	}
+}