Add "View workflow file" to Actions list page (#34538)

This PR adds "View workflow file" to Actions list page, and replaces the
redundant link.

Related #34530

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

7 files changed, 47 insertions, 28 deletions

diff --git a/modules/actions/workflows.go b/modules/actions/workflows.go
index a538b6e290..31f859953e 100644
--- a/modules/actions/workflows.go
+++ b/modules/actions/workflows.go
@@ -43,21 +43,23 @@ func IsWorkflow(path string) bool {
 	return strings.HasPrefix(path, ".gitea/workflows") || strings.HasPrefix(path, ".github/workflows")
 }
 
-func ListWorkflows(commit *git.Commit) (git.Entries, error) {
-	tree, err := commit.SubTree(".gitea/workflows")
+func ListWorkflows(commit *git.Commit) (string, git.Entries, error) {
+	rpath := ".gitea/workflows"
+	tree, err := commit.SubTree(rpath)
 	if _, ok := err.(git.ErrNotExist); ok {
-		tree, err = commit.SubTree(".github/workflows")
+		rpath = ".github/workflows"
+		tree, err = commit.SubTree(rpath)
 	}
 	if _, ok := err.(git.ErrNotExist); ok {
-		return nil, nil
+		return "", nil, nil
 	}
 	if err != nil {
-		return nil, err
+		return "", nil, err
 	}
 
 	entries, err := tree.ListEntriesRecursiveFast()
 	if err != nil {
-		return nil, err
+		return "", nil, err
 	}
 
 	ret := make(git.Entries, 0, len(entries))
@@ -66,7 +68,7 @@ func ListWorkflows(commit *git.Commit) (git.Entries, error) {
 			ret = append(ret, entry)
 		}
 	}
-	return ret, nil
+	return rpath, ret, nil
 }
 
 func GetContentFromEntry(entry *git.TreeEntry) ([]byte, error) {
@@ -102,7 +104,7 @@ func DetectWorkflows(
 	payload api.Payloader,
 	detectSchedule bool,
 ) ([]*DetectedWorkflow, []*DetectedWorkflow, error) {
-	entries, err := ListWorkflows(commit)
+	_, entries, err := ListWorkflows(commit)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -147,7 +149,7 @@ func DetectWorkflows(
 }
 
 func DetectScheduledWorkflows(gitRepo *git.Repository, commit *git.Commit) ([]*DetectedWorkflow, error) {
-	entries, err := ListWorkflows(commit)
+	_, entries, err := ListWorkflows(commit)
 	if err != nil {
 		return nil, err
 	}
diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 4384ebc3d7..f7c2e5049b 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -3815,6 +3815,7 @@ runs.expire_log_message = Logs have been purged because they were too old.
 runs.delete = Delete workflow run
 runs.delete.description = Are you sure you want to permanently delete this workflow run? This action cannot be undone.
 runs.not_done = This workflow run is not done.
+runs.view_workflow_file = View workflow file
 
 workflow.disable = Disable Workflow
 workflow.disable_success = Workflow '%s' disabled successfully.
diff --git a/routers/web/repo/actions/actions.go b/routers/web/repo/actions/actions.go
index f466a184c3..b01d57084a 100644
--- a/routers/web/repo/actions/actions.go
+++ b/routers/web/repo/actions/actions.go
@@ -126,7 +126,7 @@ func prepareWorkflowDispatchTemplate(ctx *context.Context, commit *git.Commit) (
 
 	var curWorkflow *model.Workflow
 
-	entries, err := actions.ListWorkflows(commit)
+	_, entries, err := actions.ListWorkflows(commit)
 	if err != nil {
 		ctx.ServerError("ListWorkflows", err)
 		return nil
diff --git a/routers/web/repo/actions/view.go b/routers/web/repo/actions/view.go
index 13b19862ff..1c991937b1 100644
--- a/routers/web/repo/actions/view.go
+++ b/routers/web/repo/actions/view.go
@@ -64,6 +64,36 @@ func View(ctx *context_module.Context) {
 	ctx.HTML(http.StatusOK, tplViewActions)
 }
 
+func ViewWorkflowFile(ctx *context_module.Context) {
+	runIndex := getRunIndex(ctx)
+	run, err := actions_model.GetRunByIndex(ctx, ctx.Repo.Repository.ID, runIndex)
+	if err != nil {
+		ctx.NotFoundOrServerError("GetRunByIndex", func(err error) bool {
+			return errors.Is(err, util.ErrNotExist)
+		}, err)
+		return
+	}
+	commit, err := ctx.Repo.GitRepo.GetCommit(run.CommitSHA)
+	if err != nil {
+		ctx.NotFoundOrServerError("GetCommit", func(err error) bool {
+			return errors.Is(err, util.ErrNotExist)
+		}, err)
+		return
+	}
+	rpath, entries, err := actions.ListWorkflows(commit)
+	if err != nil {
+		ctx.ServerError("ListWorkflows", err)
+		return
+	}
+	for _, entry := range entries {
+		if entry.Name() == run.WorkflowID {
+			ctx.Redirect(fmt.Sprintf("%s/src/commit/%s/%s/%s", ctx.Repo.RepoLink, url.PathEscape(run.CommitSHA), util.PathEscapeSegments(rpath), util.PathEscapeSegments(run.WorkflowID)))
+			return
+		}
+	}
+	ctx.NotFound(nil)
+}
+
 type LogCursor struct {
 	Step     int   `json:"step"`
 	Cursor   int64 `json:"cursor"`
diff --git a/routers/web/web.go b/routers/web/web.go
index 866401252d..5eba29c601 100644
--- a/routers/web/web.go
+++ b/routers/web/web.go
@@ -1445,6 +1445,7 @@ func registerWebRoutes(m *web.Router) {
 				m.Post("/rerun", reqRepoActionsWriter, actions.Rerun)
 				m.Get("/logs", actions.Logs)
 			})
+			m.Get("/workflow", actions.ViewWorkflowFile)
 			m.Post("/cancel", reqRepoActionsWriter, actions.Cancel)
 			m.Post("/approve", reqRepoActionsWriter, actions.Approve)
 			m.Post("/delete", reqRepoActionsWriter, actions.Delete)
diff --git a/services/actions/workflow.go b/services/actions/workflow.go
index 15cebf6847..fbd590d65e 100644
--- a/services/actions/workflow.go
+++ b/services/actions/workflow.go
@@ -31,16 +31,6 @@ import (
 	"github.com/nektos/act/pkg/model"
 )
 
-func getActionWorkflowPath(commit *git.Commit) string {
-	paths := []string{".gitea/workflows", ".github/workflows"}
-	for _, treePath := range paths {
-		if _, err := commit.SubTree(treePath); err == nil {
-			return treePath
-		}
-	}
-	return ""
-}
-
 func getActionWorkflowEntry(ctx *context.APIContext, commit *git.Commit, folder string, entry *git.TreeEntry) *api.ActionWorkflow {
 	cfgUnit := ctx.Repo.Repository.MustGetUnit(ctx, unit.TypeActions)
 	cfg := cfgUnit.ActionsConfig()
@@ -109,14 +99,12 @@ func ListActionWorkflows(ctx *context.APIContext) ([]*api.ActionWorkflow, error)
 		return nil, err
 	}
 
-	entries, err := actions.ListWorkflows(defaultBranchCommit)
+	folder, entries, err := actions.ListWorkflows(defaultBranchCommit)
 	if err != nil {
 		ctx.APIError(http.StatusNotFound, err.Error())
 		return nil, err
 	}
 
-	folder := getActionWorkflowPath(defaultBranchCommit)
-
 	workflows := make([]*api.ActionWorkflow, len(entries))
 	for i, entry := range entries {
 		workflows[i] = getActionWorkflowEntry(ctx, defaultBranchCommit, folder, entry)
@@ -185,7 +173,7 @@ func DispatchActionWorkflow(ctx reqctx.RequestContext, doer *user_model.User, re
 	}
 
 	// get workflow entry from runTargetCommit
-	entries, err := actions.ListWorkflows(runTargetCommit)
+	_, entries, err := actions.ListWorkflows(runTargetCommit)
 	if err != nil {
 		return err
 	}
diff --git a/templates/repo/actions/runs_list.tmpl b/templates/repo/actions/runs_list.tmpl
index a37731cffb..fdb631f0ee 100644
--- a/templates/repo/actions/runs_list.tmpl
+++ b/templates/repo/actions/runs_list.tmpl
@@ -39,10 +39,7 @@
 				<div class="ui dropdown jump tw-p-2">
 					{{svg "octicon-kebab-horizontal"}}
 					<div class="menu flex-items-menu">
-						<!-- TODO: This redundant link should be replaced by something else in future,
-						because have not figured out how to add "View Workflow" or anything similar to GitHub.
-						Related: https://github.com/go-gitea/gitea/pull/34530 -->
-						<a class="item" href="{{$run.Link}}">{{svg "octicon-play"}}{{ctx.Locale.Tr "view"}}</a>
+						<a class="item" href="{{$run.Link}}/workflow">{{svg "octicon-play"}}{{ctx.Locale.Tr "actions.runs.view_workflow_file"}}</a>
 						{{if and $.AllowDeleteWorkflowRuns $run.Status.IsDone}}
 							<a class="item link-action"
 								data-url="{{$run.Link}}/delete"