Add file status for API "Get a single commit from a repository" (#16205) (#25831)

#16205 To obtain a closer behavior to the api from github, the status
(added, modified, removed) of a file should be available in addition to
the filename.
See github doc :

https://docs.github.com/fr/rest/commits/commits?apiVersion=2022-11-28#get-a-commit

modules/structs/repo_commit.go

@@ -69,4 +69,5 @@ type CommitDateOptions struct {
 // CommitAffectedFiles store information about files affected by the commit
 type CommitAffectedFiles struct {
 	Filename string `json:"filename"`
+	Status   string `json:"status"`
 }

services/convert/git_commit.go

@@ -196,10 +196,11 @@ func ToCommit(ctx context.Context, repo *repo_model.Repository, gitRepo *git.Rep
 		}
 
 		affectedFileList := make([]*api.CommitAffectedFiles, 0, len(fileStatus.Added)+len(fileStatus.Removed)+len(fileStatus.Modified))
-		for _, files := range [][]string{fileStatus.Added, fileStatus.Removed, fileStatus.Modified} {
+		for filestatus, files := range map[string][]string{"added": fileStatus.Added, "removed": fileStatus.Removed, "modified": fileStatus.Modified} {
 			for _, filename := range files {
 				affectedFileList = append(affectedFileList, &api.CommitAffectedFiles{
 					Filename: filename,
+					Status:   filestatus,
 				})
 			}
 		}

templates/swagger/v1_json.tmpl

@@ -16399,6 +16399,10 @@
         "filename": {
           "type": "string",
           "x-go-name": "Filename"
+        },
+        "status": {
+          "type": "string",
+          "x-go-name": "Status"
         }
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"