From 696fbe60365d59a2d979f977b5ae6f13c52f9188 Mon Sep 17 00:00:00 2001
From: Lunny Xiao <xiaolunwen@gmail.com>
Date: Sun, 17 Nov 2024 21:59:04 -0800
Subject: [PATCH] Refactor push mirror find and add check for updating push
 mirror (#32539)

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
---
 models/db/collation.go                 |   3 +-
 models/repo/pushmirror.go              |  50 +++++++----
 routers/web/repo/setting/setting.go    |  51 ++++-------
 services/forms/repo_form.go            |   2 +-
 services/mirror/mirror.go              |  10 +--
 services/mirror/queue.go               |  11 ++-
 tests/integration/db_collation_test.go |   5 +-
 tests/integration/mirror_push_test.go  | 116 ++++++++++++++++---------
 8 files changed, 141 insertions(+), 107 deletions(-)

diff --git a/models/db/collation.go b/models/db/collation.go
index c128cf5029..a7db9f5442 100644
--- a/models/db/collation.go
+++ b/models/db/collation.go
@@ -68,7 +68,8 @@ func CheckCollations(x *xorm.Engine) (*CheckCollationsResult, error) {
 
 	var candidateCollations []string
 	if x.Dialect().URI().DBType == schemas.MYSQL {
-		if _, err = x.SQL("SELECT @@collation_database").Get(&res.DatabaseCollation); err != nil {
+		_, err = x.SQL("SELECT DEFAULT_COLLATION_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME = ?", setting.Database.Name).Get(&res.DatabaseCollation)
+		if err != nil {
 			return nil, err
 		}
 		res.IsCollationCaseSensitive = func(s string) bool {
diff --git a/models/repo/pushmirror.go b/models/repo/pushmirror.go
index bf134abfb1..55e8f3a068 100644
--- a/models/repo/pushmirror.go
+++ b/models/repo/pushmirror.go
@@ -9,15 +9,13 @@ import (
 
 	"code.gitea.io/gitea/models/db"
 	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/optional"
 	"code.gitea.io/gitea/modules/timeutil"
 	"code.gitea.io/gitea/modules/util"
 
 	"xorm.io/builder"
 )
 
-// ErrPushMirrorNotExist mirror does not exist error
-var ErrPushMirrorNotExist = util.NewNotExistErrorf("PushMirror does not exist")
-
 // PushMirror represents mirror information of a repository.
 type PushMirror struct {
 	ID            int64       `xorm:"pk autoincr"`
@@ -96,26 +94,46 @@ func DeletePushMirrors(ctx context.Context, opts PushMirrorOptions) error {
 	return util.NewInvalidArgumentErrorf("repoID required and must be set")
 }
 
+type findPushMirrorOptions struct {
+	db.ListOptions
+	RepoID       int64
+	SyncOnCommit optional.Option[bool]
+}
+
+func (opts findPushMirrorOptions) ToConds() builder.Cond {
+	cond := builder.NewCond()
+	if opts.RepoID > 0 {
+		cond = cond.And(builder.Eq{"repo_id": opts.RepoID})
+	}
+	if opts.SyncOnCommit.Has() {
+		cond = cond.And(builder.Eq{"sync_on_commit": opts.SyncOnCommit.Value()})
+	}
+	return cond
+}
+
 // GetPushMirrorsByRepoID returns push-mirror information of a repository.
 func GetPushMirrorsByRepoID(ctx context.Context, repoID int64, listOptions db.ListOptions) ([]*PushMirror, int64, error) {
-	sess := db.GetEngine(ctx).Where("repo_id = ?", repoID)
-	if listOptions.Page != 0 {
-		sess = db.SetSessionPagination(sess, &listOptions)
-		mirrors := make([]*PushMirror, 0, listOptions.PageSize)
-		count, err := sess.FindAndCount(&mirrors)
-		return mirrors, count, err
+	return db.FindAndCount[PushMirror](ctx, findPushMirrorOptions{
+		ListOptions: listOptions,
+		RepoID:      repoID,
+	})
+}
+
+func GetPushMirrorByIDAndRepoID(ctx context.Context, id, repoID int64) (*PushMirror, bool, error) {
+	var pushMirror PushMirror
+	has, err := db.GetEngine(ctx).Where("id = ?", id).And("repo_id = ?", repoID).Get(&pushMirror)
+	if !has || err != nil {
+		return nil, has, err
 	}
-	mirrors := make([]*PushMirror, 0, 10)
-	count, err := sess.FindAndCount(&mirrors)
-	return mirrors, count, err
+	return &pushMirror, true, nil
 }
 
 // GetPushMirrorsSyncedOnCommit returns push-mirrors for this repo that should be updated by new commits
 func GetPushMirrorsSyncedOnCommit(ctx context.Context, repoID int64) ([]*PushMirror, error) {
-	mirrors := make([]*PushMirror, 0, 10)
-	return mirrors, db.GetEngine(ctx).
-		Where("repo_id = ? AND sync_on_commit = ?", repoID, true).
-		Find(&mirrors)
+	return db.Find[PushMirror](ctx, findPushMirrorOptions{
+		RepoID:       repoID,
+		SyncOnCommit: optional.Some(true),
+	})
 }
 
 // PushMirrorsIterate iterates all push-mirror repositories.
diff --git a/routers/web/repo/setting/setting.go b/routers/web/repo/setting/setting.go
index 485bd927fa..e30129bb44 100644
--- a/routers/web/repo/setting/setting.go
+++ b/routers/web/repo/setting/setting.go
@@ -8,7 +8,6 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
-	"strconv"
 	"strings"
 	"time"
 
@@ -290,8 +289,8 @@ func SettingsPost(ctx *context.Context) {
 			return
 		}
 
-		m, err := selectPushMirrorByForm(ctx, form, repo)
-		if err != nil {
+		m, _, _ := repo_model.GetPushMirrorByIDAndRepoID(ctx, form.PushMirrorID, repo.ID)
+		if m == nil {
 			ctx.NotFound("", nil)
 			return
 		}
@@ -317,15 +316,13 @@ func SettingsPost(ctx *context.Context) {
 			return
 		}
 
-		id, err := strconv.ParseInt(form.PushMirrorID, 10, 64)
-		if err != nil {
-			ctx.ServerError("UpdatePushMirrorIntervalPushMirrorID", err)
+		m, _, _ := repo_model.GetPushMirrorByIDAndRepoID(ctx, form.PushMirrorID, repo.ID)
+		if m == nil {
+			ctx.NotFound("", nil)
 			return
 		}
-		m := &repo_model.PushMirror{
-			ID:       id,
-			Interval: interval,
-		}
+
+		m.Interval = interval
 		if err := repo_model.UpdatePushMirrorInterval(ctx, m); err != nil {
 			ctx.ServerError("UpdatePushMirrorInterval", err)
 			return
@@ -334,7 +331,10 @@ func SettingsPost(ctx *context.Context) {
 		// If we observed its implementation in the context of `push-mirror-sync` where it
 		// is evident that pushing to the queue is necessary for updates.
 		// So, there are updates within the given interval, it is necessary to update the queue accordingly.
-		mirror_service.AddPushMirrorToQueue(m.ID)
+		if !ctx.FormBool("push_mirror_defer_sync") {
+			// push_mirror_defer_sync is mainly for testing purpose, we do not really want to sync the push mirror immediately
+			mirror_service.AddPushMirrorToQueue(m.ID)
+		}
 		ctx.Flash.Success(ctx.Tr("repo.settings.update_settings_success"))
 		ctx.Redirect(repo.Link() + "/settings")
 
@@ -348,18 +348,18 @@ func SettingsPost(ctx *context.Context) {
 		// as an error on the UI for this action
 		ctx.Data["Err_RepoName"] = nil
 
-		m, err := selectPushMirrorByForm(ctx, form, repo)
-		if err != nil {
+		m, _, _ := repo_model.GetPushMirrorByIDAndRepoID(ctx, form.PushMirrorID, repo.ID)
+		if m == nil {
 			ctx.NotFound("", nil)
 			return
 		}
 
-		if err = mirror_service.RemovePushMirrorRemote(ctx, m); err != nil {
+		if err := mirror_service.RemovePushMirrorRemote(ctx, m); err != nil {
 			ctx.ServerError("RemovePushMirrorRemote", err)
 			return
 		}
 
-		if err = repo_model.DeletePushMirrors(ctx, repo_model.PushMirrorOptions{ID: m.ID, RepoID: m.RepoID}); err != nil {
+		if err := repo_model.DeletePushMirrors(ctx, repo_model.PushMirrorOptions{ID: m.ID, RepoID: m.RepoID}); err != nil {
 			ctx.ServerError("DeletePushMirrorByID", err)
 			return
 		}
@@ -995,24 +995,3 @@ func handleSettingRemoteAddrError(ctx *context.Context, err error, form *forms.R
 	}
 	ctx.RenderWithErr(ctx.Tr("repo.mirror_address_url_invalid"), tplSettingsOptions, form)
 }
-
-func selectPushMirrorByForm(ctx *context.Context, form *forms.RepoSettingForm, repo *repo_model.Repository) (*repo_model.PushMirror, error) {
-	id, err := strconv.ParseInt(form.PushMirrorID, 10, 64)
-	if err != nil {
-		return nil, err
-	}
-
-	pushMirrors, _, err := repo_model.GetPushMirrorsByRepoID(ctx, repo.ID, db.ListOptions{})
-	if err != nil {
-		return nil, err
-	}
-
-	for _, m := range pushMirrors {
-		if m.ID == id {
-			m.Repo = repo
-			return m, nil
-		}
-	}
-
-	return nil, fmt.Errorf("PushMirror[%v] not associated to repository %v", id, repo)
-}
diff --git a/services/forms/repo_form.go b/services/forms/repo_form.go
index d27bbca894..8e663084f8 100644
--- a/services/forms/repo_form.go
+++ b/services/forms/repo_form.go
@@ -122,7 +122,7 @@ type RepoSettingForm struct {
 	MirrorPassword         string
 	LFS                    bool   `form:"mirror_lfs"`
 	LFSEndpoint            string `form:"mirror_lfs_endpoint"`
-	PushMirrorID           string
+	PushMirrorID           int64
 	PushMirrorAddress      string
 	PushMirrorUsername     string
 	PushMirrorPassword     string
diff --git a/services/mirror/mirror.go b/services/mirror/mirror.go
index 44218d6fb3..e029bbb1d6 100644
--- a/services/mirror/mirror.go
+++ b/services/mirror/mirror.go
@@ -8,7 +8,6 @@ import (
 	"fmt"
 
 	repo_model "code.gitea.io/gitea/models/repo"
-	"code.gitea.io/gitea/modules/graceful"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/queue"
 	"code.gitea.io/gitea/modules/setting"
@@ -119,14 +118,7 @@ func Update(ctx context.Context, pullLimit, pushLimit int) error {
 	return nil
 }
 
-func queueHandler(items ...*SyncRequest) []*SyncRequest {
-	for _, req := range items {
-		doMirrorSync(graceful.GetManager().ShutdownContext(), req)
-	}
-	return nil
-}
-
 // InitSyncMirrors initializes a go routine to sync the mirrors
 func InitSyncMirrors() {
-	StartSyncMirrors(queueHandler)
+	StartSyncMirrors()
 }
diff --git a/services/mirror/queue.go b/services/mirror/queue.go
index 0d9a624730..ca5e2c7272 100644
--- a/services/mirror/queue.go
+++ b/services/mirror/queue.go
@@ -28,12 +28,19 @@ type SyncRequest struct {
 	ReferenceID int64 // RepoID for pull mirror, MirrorID for push mirror
 }
 
+func queueHandler(items ...*SyncRequest) []*SyncRequest {
+	for _, req := range items {
+		doMirrorSync(graceful.GetManager().ShutdownContext(), req)
+	}
+	return nil
+}
+
 // StartSyncMirrors starts a go routine to sync the mirrors
-func StartSyncMirrors(queueHandle func(data ...*SyncRequest) []*SyncRequest) {
+func StartSyncMirrors() {
 	if !setting.Mirror.Enabled {
 		return
 	}
-	mirrorQueue = queue.CreateUniqueQueue(graceful.GetManager().ShutdownContext(), "mirror", queueHandle)
+	mirrorQueue = queue.CreateUniqueQueue(graceful.GetManager().ShutdownContext(), "mirror", queueHandler)
 	if mirrorQueue == nil {
 		log.Fatal("Unable to create mirror queue")
 	}
diff --git a/tests/integration/db_collation_test.go b/tests/integration/db_collation_test.go
index 75a4c1594f..acec4aa5d1 100644
--- a/tests/integration/db_collation_test.go
+++ b/tests/integration/db_collation_test.go
@@ -73,9 +73,12 @@ func TestDatabaseCollation(t *testing.T) {
 
 	t.Run("Convert tables to utf8mb4_bin", func(t *testing.T) {
 		defer test.MockVariableValue(&setting.Database.CharsetCollation, "utf8mb4_bin")()
-		assert.NoError(t, db.ConvertDatabaseTable())
 		r, err := db.CheckCollations(x)
 		assert.NoError(t, err)
+		assert.EqualValues(t, "utf8mb4_bin", r.ExpectedCollation)
+		assert.NoError(t, db.ConvertDatabaseTable())
+		r, err = db.CheckCollations(x)
+		assert.NoError(t, err)
 		assert.Equal(t, "utf8mb4_bin", r.DatabaseCollation)
 		assert.True(t, r.CollationEquals(r.ExpectedCollation, r.DatabaseCollation))
 		assert.Empty(t, r.InconsistentCollationColumns)
diff --git a/tests/integration/mirror_push_test.go b/tests/integration/mirror_push_test.go
index 6b1c808cf4..9ff4669bef 100644
--- a/tests/integration/mirror_push_test.go
+++ b/tests/integration/mirror_push_test.go
@@ -9,7 +9,9 @@ import (
 	"net/http"
 	"net/url"
 	"strconv"
+	"strings"
 	"testing"
+	"time"
 
 	"code.gitea.io/gitea/models/db"
 	repo_model "code.gitea.io/gitea/models/repo"
@@ -32,11 +34,10 @@ func TestMirrorPush(t *testing.T) {
 }
 
 func testMirrorPush(t *testing.T, u *url.URL) {
-	defer tests.PrepareTestEnv(t)()
-
 	setting.Migrations.AllowLocalNetworks = true
 	assert.NoError(t, migrations.Init())
 
+	_ = db.TruncateBeans(db.DefaultContext, &repo_model.PushMirror{})
 	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
 	srcRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
 
@@ -45,9 +46,10 @@ func testMirrorPush(t *testing.T, u *url.URL) {
 	})
 	assert.NoError(t, err)
 
-	ctx := NewAPITestContext(t, user.LowerName, srcRepo.Name)
+	session := loginUser(t, user.Name)
 
-	doCreatePushMirror(ctx, fmt.Sprintf("%s%s/%s", u.String(), url.PathEscape(ctx.Username), url.PathEscape(mirrorRepo.Name)), user.LowerName, userPassword)(t)
+	pushMirrorURL := fmt.Sprintf("%s%s/%s", u.String(), url.PathEscape(user.Name), url.PathEscape(mirrorRepo.Name))
+	testCreatePushMirror(t, session, user.Name, srcRepo.Name, pushMirrorURL, user.LowerName, userPassword, "0")
 
 	mirrors, _, err := repo_model.GetPushMirrorsByRepoID(db.DefaultContext, srcRepo.ID, db.ListOptions{})
 	assert.NoError(t, err)
@@ -73,49 +75,81 @@ func testMirrorPush(t *testing.T, u *url.URL) {
 	assert.Equal(t, srcCommit.ID, mirrorCommit.ID)
 
 	// Cleanup
-	doRemovePushMirror(ctx, fmt.Sprintf("%s%s/%s", u.String(), url.PathEscape(ctx.Username), url.PathEscape(mirrorRepo.Name)), user.LowerName, userPassword, int(mirrors[0].ID))(t)
+	assert.True(t, doRemovePushMirror(t, session, user.Name, srcRepo.Name, mirrors[0].ID))
 	mirrors, _, err = repo_model.GetPushMirrorsByRepoID(db.DefaultContext, srcRepo.ID, db.ListOptions{})
 	assert.NoError(t, err)
 	assert.Len(t, mirrors, 0)
 }
 
-func doCreatePushMirror(ctx APITestContext, address, username, password string) func(t *testing.T) {
-	return func(t *testing.T) {
-		csrf := GetUserCSRFToken(t, ctx.Session)
+func testCreatePushMirror(t *testing.T, session *TestSession, owner, repo, address, username, password, interval string) {
+	req := NewRequestWithValues(t, "POST", fmt.Sprintf("/%s/%s/settings", url.PathEscape(owner), url.PathEscape(repo)), map[string]string{
+		"_csrf":                GetUserCSRFToken(t, session),
+		"action":               "push-mirror-add",
+		"push_mirror_address":  address,
+		"push_mirror_username": username,
+		"push_mirror_password": password,
+		"push_mirror_interval": interval,
+	})
+	session.MakeRequest(t, req, http.StatusSeeOther)
 
-		req := NewRequestWithValues(t, "POST", fmt.Sprintf("/%s/%s/settings", url.PathEscape(ctx.Username), url.PathEscape(ctx.Reponame)), map[string]string{
-			"_csrf":                csrf,
-			"action":               "push-mirror-add",
-			"push_mirror_address":  address,
-			"push_mirror_username": username,
-			"push_mirror_password": password,
-			"push_mirror_interval": "0",
-		})
-		ctx.Session.MakeRequest(t, req, http.StatusSeeOther)
-
-		flashCookie := ctx.Session.GetCookie(gitea_context.CookieNameFlash)
-		assert.NotNil(t, flashCookie)
-		assert.Contains(t, flashCookie.Value, "success")
-	}
+	flashCookie := session.GetCookie(gitea_context.CookieNameFlash)
+	assert.NotNil(t, flashCookie)
+	assert.Contains(t, flashCookie.Value, "success")
 }
 
-func doRemovePushMirror(ctx APITestContext, address, username, password string, pushMirrorID int) func(t *testing.T) {
-	return func(t *testing.T) {
-		csrf := GetUserCSRFToken(t, ctx.Session)
-
-		req := NewRequestWithValues(t, "POST", fmt.Sprintf("/%s/%s/settings", url.PathEscape(ctx.Username), url.PathEscape(ctx.Reponame)), map[string]string{
-			"_csrf":                csrf,
-			"action":               "push-mirror-remove",
-			"push_mirror_id":       strconv.Itoa(pushMirrorID),
-			"push_mirror_address":  address,
-			"push_mirror_username": username,
-			"push_mirror_password": password,
-			"push_mirror_interval": "0",
-		})
-		ctx.Session.MakeRequest(t, req, http.StatusSeeOther)
-
-		flashCookie := ctx.Session.GetCookie(gitea_context.CookieNameFlash)
-		assert.NotNil(t, flashCookie)
-		assert.Contains(t, flashCookie.Value, "success")
-	}
+func doRemovePushMirror(t *testing.T, session *TestSession, owner, repo string, pushMirrorID int64) bool {
+	req := NewRequestWithValues(t, "POST", fmt.Sprintf("/%s/%s/settings", url.PathEscape(owner), url.PathEscape(repo)), map[string]string{
+		"_csrf":          GetUserCSRFToken(t, session),
+		"action":         "push-mirror-remove",
+		"push_mirror_id": strconv.FormatInt(pushMirrorID, 10),
+	})
+	resp := session.MakeRequest(t, req, NoExpectedStatus)
+	flashCookie := session.GetCookie(gitea_context.CookieNameFlash)
+	return resp.Code == http.StatusSeeOther && flashCookie != nil && strings.Contains(flashCookie.Value, "success")
+}
+
+func doUpdatePushMirror(t *testing.T, session *TestSession, owner, repo string, pushMirrorID int64, interval string) bool {
+	req := NewRequestWithValues(t, "POST", fmt.Sprintf("/%s/%s/settings", owner, repo), map[string]string{
+		"_csrf":                  GetUserCSRFToken(t, session),
+		"action":                 "push-mirror-update",
+		"push_mirror_id":         strconv.FormatInt(pushMirrorID, 10),
+		"push_mirror_interval":   interval,
+		"push_mirror_defer_sync": "true",
+	})
+	resp := session.MakeRequest(t, req, NoExpectedStatus)
+	return resp.Code == http.StatusSeeOther
+}
+
+func TestRepoSettingPushMirrorUpdate(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+	setting.Migrations.AllowLocalNetworks = true
+	assert.NoError(t, migrations.Init())
+
+	session := loginUser(t, "user2")
+	repo2 := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 2})
+	testCreatePushMirror(t, session, "user2", "repo2", "https://127.0.0.1/user1/repo1.git", "", "", "24h")
+
+	pushMirrors, cnt, err := repo_model.GetPushMirrorsByRepoID(db.DefaultContext, repo2.ID, db.ListOptions{})
+	assert.NoError(t, err)
+	assert.EqualValues(t, 1, cnt)
+	assert.EqualValues(t, 24*time.Hour, pushMirrors[0].Interval)
+	repo2PushMirrorID := pushMirrors[0].ID
+
+	// update repo2 push mirror
+	assert.True(t, doUpdatePushMirror(t, session, "user2", "repo2", repo2PushMirrorID, "10m0s"))
+	pushMirror := unittest.AssertExistsAndLoadBean(t, &repo_model.PushMirror{ID: repo2PushMirrorID})
+	assert.EqualValues(t, 10*time.Minute, pushMirror.Interval)
+
+	// avoid updating repo2 push mirror from repo1
+	assert.False(t, doUpdatePushMirror(t, session, "user2", "repo1", repo2PushMirrorID, "20m0s"))
+	pushMirror = unittest.AssertExistsAndLoadBean(t, &repo_model.PushMirror{ID: repo2PushMirrorID})
+	assert.EqualValues(t, 10*time.Minute, pushMirror.Interval) // not changed
+
+	// avoid deleting repo2 push mirror from repo1
+	assert.False(t, doRemovePushMirror(t, session, "user2", "repo1", repo2PushMirrorID))
+	unittest.AssertExistsAndLoadBean(t, &repo_model.PushMirror{ID: repo2PushMirrorID})
+
+	// delete repo2 push mirror
+	assert.True(t, doRemovePushMirror(t, session, "user2", "repo2", repo2PushMirrorID))
+	unittest.AssertNotExistsBean(t, &repo_model.PushMirror{ID: repo2PushMirrorID})
 }