Feature: Support workflow event dispatch via API (#33545)

Fix: https://github.com/go-gitea/gitea/issues/31765 (Re-open #32059)

---------

Co-authored-by: Bence Santha <git@santha.eu>
Co-authored-by: Bence Sántha <7604637+bencurio@users.noreply.github.com>
Co-authored-by: Christopher Homberger <christopher.homberger@web.de>

1 files changed, 11 insertions, 130 deletions

diff --git a/routers/web/repo/actions/view.go b/routers/web/repo/actions/view.go
index fc346b83b4..7099582c1b 100644
--- a/routers/web/repo/actions/view.go
+++ b/routers/web/repo/actions/view.go
@@ -20,8 +20,6 @@ import (
 	actions_model "code.gitea.io/gitea/models/actions"
 	"code.gitea.io/gitea/models/db"
 	git_model "code.gitea.io/gitea/models/git"
-	"code.gitea.io/gitea/models/perm"
-	access_model "code.gitea.io/gitea/models/perm/access"
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unit"
 	"code.gitea.io/gitea/modules/actions"
@@ -30,16 +28,13 @@ import (
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/storage"
-	api "code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/templates"
 	"code.gitea.io/gitea/modules/timeutil"
 	"code.gitea.io/gitea/modules/util"
 	"code.gitea.io/gitea/modules/web"
 	actions_service "code.gitea.io/gitea/services/actions"
 	context_module "code.gitea.io/gitea/services/context"
-	"code.gitea.io/gitea/services/convert"
 
-	"github.com/nektos/act/pkg/jobparser"
 	"github.com/nektos/act/pkg/model"
 	"xorm.io/builder"
 )
@@ -792,142 +787,28 @@ func Run(ctx *context_module.Context) {
 		ctx.ServerError("ref", nil)
 		return
 	}
-
-	// can not rerun job when workflow is disabled
-	cfgUnit := ctx.Repo.Repository.MustGetUnit(ctx, unit.TypeActions)
-	cfg := cfgUnit.ActionsConfig()
-	if cfg.IsWorkflowDisabled(workflowID) {
-		ctx.Flash.Error(ctx.Tr("actions.workflow.disabled"))
-		ctx.Redirect(redirectURL)
-		return
-	}
-
-	// get target commit of run from specified ref
-	refName := git.RefName(ref)
-	var runTargetCommit *git.Commit
-	var err error
-	if refName.IsTag() {
-		runTargetCommit, err = ctx.Repo.GitRepo.GetTagCommit(refName.TagName())
-	} else if refName.IsBranch() {
-		runTargetCommit, err = ctx.Repo.GitRepo.GetBranchCommit(refName.BranchName())
-	} else {
-		ctx.Flash.Error(ctx.Tr("form.git_ref_name_error", ref))
-		ctx.Redirect(redirectURL)
-		return
-	}
-	if err != nil {
-		ctx.Flash.Error(ctx.Tr("form.target_ref_not_exist", ref))
-		ctx.Redirect(redirectURL)
-		return
-	}
-
-	// get workflow entry from runTargetCommit
-	entries, err := actions.ListWorkflows(runTargetCommit)
-	if err != nil {
-		ctx.Error(http.StatusInternalServerError, err.Error())
-		return
-	}
-
-	// find workflow from commit
-	var workflows []*jobparser.SingleWorkflow
-	for _, entry := range entries {
-		if entry.Name() == workflowID {
-			content, err := actions.GetContentFromEntry(entry)
-			if err != nil {
-				ctx.Error(http.StatusInternalServerError, err.Error())
-				return
-			}
-			workflows, err = jobparser.Parse(content)
-			if err != nil {
-				ctx.ServerError("workflow", err)
-				return
-			}
-			break
-		}
-	}
-
-	if len(workflows) == 0 {
-		ctx.Flash.Error(ctx.Tr("actions.workflow.not_found", workflowID))
-		ctx.Redirect(redirectURL)
-		return
-	}
-
-	// get inputs from post
-	workflow := &model.Workflow{
-		RawOn: workflows[0].RawOn,
-	}
-	inputs := make(map[string]any)
-	if workflowDispatch := workflow.WorkflowDispatchConfig(); workflowDispatch != nil {
+	err := actions_service.DispatchActionWorkflow(ctx, ctx.Doer, ctx.Repo.Repository, ctx.Repo.GitRepo, workflowID, ref, func(workflowDispatch *model.WorkflowDispatch, inputs map[string]any) error {
 		for name, config := range workflowDispatch.Inputs {
 			value := ctx.Req.PostFormValue(name)
 			if config.Type == "boolean" {
-				// https://www.w3.org/TR/html401/interact/forms.html
-				// https://stackoverflow.com/questions/11424037/do-checkbox-inputs-only-post-data-if-theyre-checked
-				// Checkboxes (and radio buttons) are on/off switches that may be toggled by the user.
-				// A switch is "on" when the control element's checked attribute is set.
-				// When a form is submitted, only "on" checkbox controls can become successful.
-				inputs[name] = strconv.FormatBool(value == "on")
+				inputs[name] = strconv.FormatBool(ctx.FormBool(name))
 			} else if value != "" {
 				inputs[name] = value
 			} else {
 				inputs[name] = config.Default
 			}
 		}
-	}
-
-	// ctx.Req.PostForm -> WorkflowDispatchPayload.Inputs -> ActionRun.EventPayload -> runner: ghc.Event
-	// https://docs.github.com/en/actions/learn-github-actions/contexts#github-context
-	// https://docs.github.com/en/webhooks/webhook-events-and-payloads#workflow_dispatch
-	workflowDispatchPayload := &api.WorkflowDispatchPayload{
-		Workflow:   workflowID,
-		Ref:        ref,
-		Repository: convert.ToRepo(ctx, ctx.Repo.Repository, access_model.Permission{AccessMode: perm.AccessModeNone}),
-		Inputs:     inputs,
-		Sender:     convert.ToUserWithAccessMode(ctx, ctx.Doer, perm.AccessModeNone),
-	}
-	var eventPayload []byte
-	if eventPayload, err = workflowDispatchPayload.JSONPayload(); err != nil {
-		ctx.ServerError("JSONPayload", err)
-		return
-	}
-
-	run := &actions_model.ActionRun{
-		Title:             strings.SplitN(runTargetCommit.CommitMessage, "\n", 2)[0],
-		RepoID:            ctx.Repo.Repository.ID,
-		OwnerID:           ctx.Repo.Repository.OwnerID,
-		WorkflowID:        workflowID,
-		TriggerUserID:     ctx.Doer.ID,
-		Ref:               ref,
-		CommitSHA:         runTargetCommit.ID.String(),
-		IsForkPullRequest: false,
-		Event:             "workflow_dispatch",
-		TriggerEvent:      "workflow_dispatch",
-		EventPayload:      string(eventPayload),
-		Status:            actions_model.StatusWaiting,
-	}
-
-	// cancel running jobs of the same workflow
-	if err := actions_model.CancelPreviousJobs(
-		ctx,
-		run.RepoID,
-		run.Ref,
-		run.WorkflowID,
-		run.Event,
-	); err != nil {
-		log.Error("CancelRunningJobs: %v", err)
-	}
-
-	// Insert the action run and its associated jobs into the database
-	if err := actions_model.InsertRun(ctx, run, workflows); err != nil {
-		ctx.ServerError("workflow", err)
-		return
-	}
-
-	alljobs, err := db.Find[actions_model.ActionRunJob](ctx, actions_model.FindRunJobOptions{RunID: run.ID})
+		return nil
+	})
 	if err != nil {
-		log.Error("FindRunJobs: %v", err)
+		if errLocale := util.ErrAsLocale(err); errLocale != nil {
+			ctx.Flash.Error(ctx.Tr(errLocale.TrKey, errLocale.TrArgs...))
+			ctx.Redirect(redirectURL)
+		} else {
+			ctx.ServerError("DispatchActionWorkflow", err)
+		}
+		return
 	}
-	actions_service.CreateCommitStatus(ctx, alljobs...)
 
 	ctx.Flash.Success(ctx.Tr("actions.workflow.run_success", workflowID))
 	ctx.Redirect(redirectURL)