add disable workflow feature (#26413)

As title, that's simmilar with github.


![image](https://github.com/go-gitea/gitea/assets/25342410/9e8b2444-63e0-4e87-80da-730c1e4d09d6)



![image](https://github.com/go-gitea/gitea/assets/25342410/6c3a3345-3ba7-48c9-9acd-3e621632491b)

---------

Signed-off-by: a1012112796 <1012112796@qq.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: Jason Song <i@wolfogre.com>

3 files changed, 81 insertions, 1 deletions

diff --git a/models/repo/repo.go b/models/repo/repo.go
index 3d1f2dcfa8..b37948fea7 100644
--- a/models/repo/repo.go
+++ b/models/repo/repo.go
@@ -391,7 +391,13 @@ func (repo *Repository) MustGetUnit(ctx context.Context, tp unit.Type) *RepoUnit
 			Type:   tp,
 			Config: new(IssuesConfig),
 		}
+	} else if tp == unit.TypeActions {
+		return &RepoUnit{
+			Type:   tp,
+			Config: new(ActionsConfig),
+		}
 	}
+
 	return &RepoUnit{
 		Type:   tp,
 		Config: new(UnitConfig),
diff --git a/models/repo/repo_unit.go b/models/repo/repo_unit.go
index 7c1af95bf0..cf9ff93d32 100644
--- a/models/repo/repo_unit.go
+++ b/models/repo/repo_unit.go
@@ -6,6 +6,7 @@ package repo
 import (
 	"context"
 	"fmt"
+	"strings"
 
 	"code.gitea.io/gitea/models/db"
 	"code.gitea.io/gitea/models/unit"
@@ -162,6 +163,42 @@ func (cfg *PullRequestsConfig) GetDefaultMergeStyle() MergeStyle {
 	return MergeStyleMerge
 }
 
+type ActionsConfig struct {
+	DisabledWorkflows []string
+}
+
+func (cfg *ActionsConfig) EnableWorkflow(file string) {
+	cfg.DisabledWorkflows = util.SliceRemoveAll(cfg.DisabledWorkflows, file)
+}
+
+func (cfg *ActionsConfig) ToString() string {
+	return strings.Join(cfg.DisabledWorkflows, ",")
+}
+
+func (cfg *ActionsConfig) IsWorkflowDisabled(file string) bool {
+	return util.SliceContains(cfg.DisabledWorkflows, file)
+}
+
+func (cfg *ActionsConfig) DisableWorkflow(file string) {
+	for _, workflow := range cfg.DisabledWorkflows {
+		if file == workflow {
+			return
+		}
+	}
+
+	cfg.DisabledWorkflows = append(cfg.DisabledWorkflows, file)
+}
+
+// FromDB fills up a ActionsConfig from serialized format.
+func (cfg *ActionsConfig) FromDB(bs []byte) error {
+	return json.UnmarshalHandleDoubleEncode(bs, &cfg)
+}
+
+// ToDB exports a ActionsConfig to a serialized format.
+func (cfg *ActionsConfig) ToDB() ([]byte, error) {
+	return json.Marshal(cfg)
+}
+
 // BeforeSet is invoked from XORM before setting the value of a field of this object.
 func (r *RepoUnit) BeforeSet(colName string, val xorm.Cell) {
 	switch colName {
@@ -175,7 +212,9 @@ func (r *RepoUnit) BeforeSet(colName string, val xorm.Cell) {
 			r.Config = new(PullRequestsConfig)
 		case unit.TypeIssues:
 			r.Config = new(IssuesConfig)
-		case unit.TypeCode, unit.TypeReleases, unit.TypeWiki, unit.TypeProjects, unit.TypePackages, unit.TypeActions:
+		case unit.TypeActions:
+			r.Config = new(ActionsConfig)
+		case unit.TypeCode, unit.TypeReleases, unit.TypeWiki, unit.TypeProjects, unit.TypePackages:
 			fallthrough
 		default:
 			r.Config = new(UnitConfig)
@@ -218,6 +257,11 @@ func (r *RepoUnit) ExternalTrackerConfig() *ExternalTrackerConfig {
 	return r.Config.(*ExternalTrackerConfig)
 }
 
+// ActionsConfig returns config for unit.ActionsConfig
+func (r *RepoUnit) ActionsConfig() *ActionsConfig {
+	return r.Config.(*ActionsConfig)
+}
+
 func getUnitsByRepoID(ctx context.Context, repoID int64) (units []*RepoUnit, err error) {
 	var tmpUnits []*RepoUnit
 	if err := db.GetEngine(ctx).Where("repo_id = ?", repoID).Find(&tmpUnits); err != nil {
diff --git a/models/repo/repo_unit_test.go b/models/repo/repo_unit_test.go
new file mode 100644
index 0000000000..a760594013
--- /dev/null
+++ b/models/repo/repo_unit_test.go
@@ -0,0 +1,30 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repo
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestActionsConfig(t *testing.T) {
+	cfg := &ActionsConfig{}
+	cfg.DisableWorkflow("test1.yaml")
+	assert.EqualValues(t, []string{"test1.yaml"}, cfg.DisabledWorkflows)
+
+	cfg.DisableWorkflow("test1.yaml")
+	assert.EqualValues(t, []string{"test1.yaml"}, cfg.DisabledWorkflows)
+
+	cfg.EnableWorkflow("test1.yaml")
+	assert.EqualValues(t, []string{}, cfg.DisabledWorkflows)
+
+	cfg.EnableWorkflow("test1.yaml")
+	assert.EqualValues(t, []string{}, cfg.DisabledWorkflows)
+
+	cfg.DisableWorkflow("test1.yaml")
+	cfg.DisableWorkflow("test2.yaml")
+	cfg.DisableWorkflow("test3.yaml")
+	assert.EqualValues(t, "test1.yaml,test2.yaml,test3.yaml", cfg.ToString())
+}