Filter get single commit (#24613)

Pretty much the same thing as #24568 but for getting a single commit
instead of getting a list of commits

routers/api/v1/repo/commits.go

@@ -42,6 +42,18 @@ func GetSingleCommit(ctx *context.APIContext) {
 	//   description: a git ref or commit sha
 	//   type: string
 	//   required: true
+	// - name: stat
+	//   in: query
+	//   description: include diff stats for every commit (disable for speedup, default 'true')
+	//   type: boolean
+	// - name: verification
+	//   in: query
+	//   description: include verification for every commit (disable for speedup, default 'true')
+	//   type: boolean
+	// - name: files
+	//   in: query
+	//   description: include a list of affected files for every commit (disable for speedup, default 'true')
+	//   type: boolean
 	// responses:
 	//   "200":
 	//     "$ref": "#/responses/Commit"
@@ -55,10 +67,11 @@ func GetSingleCommit(ctx *context.APIContext) {
 		ctx.Error(http.StatusUnprocessableEntity, "no valid ref or sha", fmt.Sprintf("no valid ref or sha: %s", sha))
 		return
 	}
-	getCommit(ctx, sha)
+
+	getCommit(ctx, sha, convert.ParseCommitOptions(ctx))
 }
 
-func getCommit(ctx *context.APIContext, identifier string) {
+func getCommit(ctx *context.APIContext, identifier string, toCommitOpts convert.ToCommitOptions) {
 	commit, err := ctx.Repo.GitRepo.GetCommit(identifier)
 	if err != nil {
 		if git.IsErrNotExist(err) {
@@ -69,7 +82,7 @@ func getCommit(ctx *context.APIContext, identifier string) {
 		return
 	}
 
-	json, err := convert.ToCommit(ctx, ctx.Repo.Repository, ctx.Repo.GitRepo, commit, nil, convert.ToCommitOptions{Stat: true})
+	json, err := convert.ToCommit(ctx, ctx.Repo.Repository, ctx.Repo.GitRepo, commit, nil, toCommitOpts)
 	if err != nil {
 		ctx.Error(http.StatusInternalServerError, "toCommit", err)
 		return
@@ -240,24 +253,12 @@ func GetAllCommits(ctx *context.APIContext) {
 	}
 
 	pageCount := int(math.Ceil(float64(commitsCountTotal) / float64(listOptions.PageSize)))
-
 	userCache := make(map[string]*user_model.User)
-
 	apiCommits := make([]*api.Commit, len(commits))
 
-	stat := ctx.FormString("stat") == "" || ctx.FormBool("stat")
-	verification := ctx.FormString("verification") == "" || ctx.FormBool("verification")
-	files := ctx.FormString("files") == "" || ctx.FormBool("files")
-
 	for i, commit := range commits {
 		// Create json struct
-		apiCommits[i], err = convert.ToCommit(ctx, ctx.Repo.Repository, ctx.Repo.GitRepo, commit, userCache,
-			convert.ToCommitOptions{
-				Stat:         stat,
-				Verification: verification,
-				Files:        files,
-			})
-
+		apiCommits[i], err = convert.ToCommit(ctx, ctx.Repo.Repository, ctx.Repo.GitRepo, commit, userCache, convert.ParseCommitOptions(ctx))
 		if err != nil {
 			ctx.Error(http.StatusInternalServerError, "toCommit", err)
 			return

services/convert/git_commit.go

@@ -10,6 +10,7 @@ import (
 
 	repo_model "code.gitea.io/gitea/models/repo"
 	user_model "code.gitea.io/gitea/models/user"
+	ctx "code.gitea.io/gitea/modules/context"
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 	api "code.gitea.io/gitea/modules/structs"
@@ -78,6 +79,14 @@ type ToCommitOptions struct {
 	Files        bool
 }
 
+func ParseCommitOptions(ctx *ctx.APIContext) ToCommitOptions {
+	return ToCommitOptions{
+		Stat:         ctx.FormString("stat") == "" || ctx.FormBool("stat"),
+		Files:        ctx.FormString("files") == "" || ctx.FormBool("files"),
+		Verification: ctx.FormString("verification") == "" || ctx.FormBool("verification"),
+	}
+}
+
 // ToCommit convert a git.Commit to api.Commit
 func ToCommit(ctx context.Context, repo *repo_model.Repository, gitRepo *git.Repository, commit *git.Commit, userCache map[string]*user_model.User, opts ToCommitOptions) (*api.Commit, error) {
 	var apiAuthor, apiCommitter *api.User