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

modules/structs/issue.go

@@ -29,16 +29,18 @@ type PullRequestMeta struct {
 // Issue represents an issue in a repository
 // swagger:model
 type Issue struct {
-	ID        int64      `json:"id"`
-	URL       string     `json:"url"`
-	Index     int64      `json:"number"`
-	Poster    *User      `json:"user"`
-	Title     string     `json:"title"`
-	Body      string     `json:"body"`
-	Labels    []*Label   `json:"labels"`
-	Milestone *Milestone `json:"milestone"`
-	Assignee  *User      `json:"assignee"`
-	Assignees []*User    `json:"assignees"`
+	ID               int64      `json:"id"`
+	URL              string     `json:"url"`
+	Index            int64      `json:"number"`
+	Poster           *User      `json:"user"`
+	OriginalAuthor   string     `json:"original_author"`
+	OriginalAuthorID int64      `json:"original_author_id"`
+	Title            string     `json:"title"`
+	Body             string     `json:"body"`
+	Labels           []*Label   `json:"labels"`
+	Milestone        *Milestone `json:"milestone"`
+	Assignee         *User      `json:"assignee"`
+	Assignees        []*User    `json:"assignees"`
 	// Whether the issue is open or closed
 	//
 	// type: string

modules/structs/issue_comment.go

@@ -10,12 +10,14 @@ import (
 
 // Comment represents a comment on a commit or issue
 type Comment struct {
-	ID       int64  `json:"id"`
-	HTMLURL  string `json:"html_url"`
-	PRURL    string `json:"pull_request_url"`
-	IssueURL string `json:"issue_url"`
-	Poster   *User  `json:"user"`
-	Body     string `json:"body"`
+	ID               int64  `json:"id"`
+	HTMLURL          string `json:"html_url"`
+	PRURL            string `json:"pull_request_url"`
+	IssueURL         string `json:"issue_url"`
+	Poster           *User  `json:"user"`
+	OriginalAuthor   string `json:"original_author"`
+	OriginalAuthorID int64  `json:"original_author_id"`
+	Body             string `json:"body"`
 	// swagger:strfmt date-time
 	Created time.Time `json:"created_at"`
 	// swagger:strfmt date-time

modules/structs/repo.go

@@ -31,6 +31,7 @@ type Repository struct {
 	HTMLURL       string      `json:"html_url"`
 	SSHURL        string      `json:"ssh_url"`
 	CloneURL      string      `json:"clone_url"`
+	OriginalURL   string      `json:"original_url"`
 	Website       string      `json:"website"`
 	Stars         int         `json:"stars_count"`
 	Forks         int         `json:"forks_count"`