Add user blocking (#29028)

Fixes #17453 This PR adds the abbility to block a user from a personal account or organization to restrict how the blocked user can interact with the blocker. The docs explain what's the consequence of blocking a user. Screenshots: ![grafik](https://github.com/go-gitea/gitea/assets/1666336/4ed884f3-e06a-4862-afd3-3b8aa2488dc6) ![grafik](https://github.com/go-gitea/gitea/assets/1666336/ae6d4981-f252-4f50-a429-04f0f9f1cdf1) ![grafik](https://github.com/go-gitea/gitea/assets/1666336/ca153599-5b0f-4b4a-90fe-18bdfd6f0b6b) --------- Co-authored-by: Lauris BH <lauris@nix.lv>
2025-06-22 05:58:02 +02:00 · 2024-03-04 09:16:03 +01:00
parent 8e12ba34ba
commit c337ff0ec7
109 changed files with 2878 additions and 548 deletions
--- a/models/fixtures/access.yml
+++ b/models/fixtures/access.yml
@ -42,120 +42,132 @@

 -
  id: 8
-  user_id: 15
+  user_id: 10
  repo_id: 21
  mode: 2

 -
  id: 9
-  user_id: 15
-  repo_id: 22
+  user_id: 10
+  repo_id: 32
  mode: 2

 -
  id: 10
  user_id: 15
+  repo_id: 21
+  mode: 2
+
+-
+  id: 11
+  user_id: 15
+  repo_id: 22
+  mode: 2
+
+-
+  id: 12
+  user_id: 15
  repo_id: 23
  mode: 4

 -
-  id: 11
+  id: 13
  user_id: 15
  repo_id: 24
  mode: 4

 -
-  id: 12
+  id: 14
  user_id: 15
  repo_id: 32
  mode: 2

 -
-  id: 13
+  id: 15
  user_id: 18
  repo_id: 21
  mode: 2

 -
-  id: 14
+  id: 16
  user_id: 18
  repo_id: 22
  mode: 2

 -
-  id: 15
+  id: 17
  user_id: 18
  repo_id: 23
  mode: 4

 -
-  id: 16
+  id: 18
  user_id: 18
  repo_id: 24
  mode: 4

 -
-  id: 17
+  id: 19
  user_id: 20
  repo_id: 24
  mode: 1

 -
-  id: 18
+  id: 20
  user_id: 20
  repo_id: 27
  mode: 4

 -
-  id: 19
+  id: 21
  user_id: 20
  repo_id: 28
  mode: 4

 -
-  id: 20
+  id: 22
  user_id: 29
  repo_id: 4
  mode: 2

 -
-  id: 21
+  id: 23
  user_id: 29
  repo_id: 24
  mode: 1

 -
-  id: 22
+  id: 24
  user_id: 31
  repo_id: 27
  mode: 4

 -
-  id: 23
+  id: 25
  user_id: 31
  repo_id: 28
  mode: 4

 -
-  id: 24
+  id: 26
  user_id: 38
  repo_id: 60
  mode: 2

 -
-  id: 25
+  id: 27
  user_id: 38
  repo_id: 61
  mode: 1

 -
-  id: 26
+  id: 28
  user_id: 39
  repo_id: 61
  mode: 1

 -
-  id: 27
+  id: 29
  user_id: 40
  repo_id: 61
  mode: 4
--- a/models/fixtures/collaboration.yml
+++ b/models/fixtures/collaboration.yml
@ -51,3 +51,15 @@
  repo_id: 60
  user_id: 38
  mode: 2 # write
+
+-
+  id: 10
+  repo_id: 21
+  user_id: 10
+  mode: 2 # write
+
+-
+  id: 11
+  repo_id: 32
+  user_id: 10
+  mode: 2 # write
--- a/models/fixtures/issue_assignees.yml
+++ b/models/fixtures/issue_assignees.yml
@ -14,3 +14,7 @@
  id: 4
  assignee_id: 2
  issue_id: 17
+-
+  id: 5
+  assignee_id: 10
+  issue_id: 6
--- a/models/fixtures/repo_transfer.yml
+++ b/models/fixtures/repo_transfer.yml
@ -5,3 +5,19 @@
  repo_id: 3
  created_unix: 1553610671
  updated_unix: 1553610671
+
+-
+  id: 2
+  doer_id: 16
+  recipient_id: 10
+  repo_id: 21
+  created_unix: 1553610671
+  updated_unix: 1553610671
+
+-
+  id: 3
+  doer_id: 3
+  recipient_id: 10
+  repo_id: 32
+  created_unix: 1553610671
+  updated_unix: 1553610671
--- a/models/fixtures/repository.yml
+++ b/models/fixtures/repository.yml
@ -614,8 +614,8 @@
  owner_name: user16
  lower_name: big_test_public_3
  name: big_test_public_3
-  num_watches: 0
-  num_stars: 0
+  num_watches: 1
+  num_stars: 1
  num_forks: 0
  num_issues: 0
  num_closed_issues: 0
@ -945,8 +945,8 @@
  owner_name: org3
  lower_name: repo21
  name: repo21
-  num_watches: 0
-  num_stars: 0
+  num_watches: 1
+  num_stars: 1
  num_forks: 0
  num_issues: 2
  num_closed_issues: 0
--- a/models/fixtures/star.yml
+++ b/models/fixtures/star.yml
@ -7,3 +7,13 @@
  id: 2
  uid: 2
  repo_id: 4
+
+-
+  id: 3
+  uid: 10
+  repo_id: 21
+
+-
+  id: 4
+  uid: 10
+  repo_id: 32
--- a/models/fixtures/user.yml
+++ b/models/fixtures/user.yml
@ -361,7 +361,7 @@
  use_custom_avatar: false
  num_followers: 0
  num_following: 0
-  num_stars: 0
+  num_stars: 2
  num_repos: 3
  num_teams: 0
  num_members: 0
--- a/models/fixtures/user_blocking.yml
+++ b/models/fixtures/user_blocking.yml
@ -0,0 +1,19 @@
+-
+  id: 1
+  blocker_id: 2
+  blockee_id: 29
+
+-
+  id: 2
+  blocker_id: 17
+  blockee_id: 28
+
+-
+  id: 3
+  blocker_id: 2
+  blockee_id: 34
+
+-
+  id: 4
+  blocker_id: 50
+  blockee_id: 34
--- a/models/fixtures/watch.yml
+++ b/models/fixtures/watch.yml
@ -27,3 +27,15 @@
  user_id: 11
  repo_id: 1
  mode: 3 # auto
+
+-
+  id: 6
+  user_id: 10
+  repo_id: 21
+  mode: 1 # normal
+
+-
+  id: 7
+  user_id: 10
+  repo_id: 32
+  mode: 1 # normal
--- a/models/issues/assignees.go
+++ b/models/issues/assignees.go
@ -64,6 +64,27 @@ func IsUserAssignedToIssue(ctx context.Context, issue *Issue, user *user_model.U
 	return db.Exist[IssueAssignees](ctx, builder.Eq{"assignee_id": user.ID, "issue_id": issue.ID})
 }

+type AssignedIssuesOptions struct {
+	db.ListOptions
+	AssigneeID  int64
+	RepoOwnerID int64
+}
+
+func (opts *AssignedIssuesOptions) ToConds() builder.Cond {
+	cond := builder.NewCond()
+	if opts.AssigneeID != 0 {
+		cond = cond.And(builder.In("issue.id", builder.Select("issue_id").From("issue_assignees").Where(builder.Eq{"assignee_id": opts.AssigneeID})))
+	}
+	if opts.RepoOwnerID != 0 {
+		cond = cond.And(builder.In("issue.repo_id", builder.Select("id").From("repository").Where(builder.Eq{"owner_id": opts.RepoOwnerID})))
+	}
+	return cond
+}
+
+func GetAssignedIssues(ctx context.Context, opts *AssignedIssuesOptions) ([]*Issue, int64, error) {
+	return db.FindAndCount[Issue](ctx, opts)
+}
+
 // ToggleIssueAssignee changes a user between assigned and not assigned for this issue, and make issue comment for it.
 func ToggleIssueAssignee(ctx context.Context, issue *Issue, doer *user_model.User, assigneeID int64) (removed bool, comment *Comment, err error) {
 	ctx, committer, err := db.TxContext(ctx)
--- a/models/issues/issue_update.go
+++ b/models/issues/issue_update.go
@ -517,6 +517,15 @@ func FindAndUpdateIssueMentions(ctx context.Context, issue *Issue, doer *user_mo
 	if err != nil {
 		return nil, fmt.Errorf("UpdateIssueMentions [%d]: %w", issue.ID, err)
 	}
+
+	notBlocked := make([]*user_model.User, 0, len(mentions))
+	for _, user := range mentions {
+		if !user_model.IsUserBlockedBy(ctx, doer, user.ID) {
+			notBlocked = append(notBlocked, user)
+		}
+	}
+	mentions = notBlocked
+
 	if err = UpdateIssueMentions(ctx, issue.ID, mentions); err != nil {
 		return nil, fmt.Errorf("UpdateIssueMentions [%d]: %w", issue.ID, err)
 	}
--- a/models/issues/issue_xref.go
+++ b/models/issues/issue_xref.go
@ -214,6 +214,10 @@ func (issue *Issue) verifyReferencedIssue(stdCtx context.Context, ctx *crossRefe
 		if !perm.CanReadIssuesOrPulls(refIssue.IsPull) {
 			return nil, references.XRefActionNone, nil
 		}
+		if user_model.IsUserBlockedBy(stdCtx, ctx.Doer, refIssue.PosterID, refIssue.Repo.OwnerID) {
+			return nil, references.XRefActionNone, nil
+		}
+
 		// Accept close/reopening actions only if the poster is able to close the
 		// referenced issue manually at this moment. The only exception is
 		// the poster of a new PR referencing an issue on the same repo: then the merger
--- a/models/issues/reaction.go
+++ b/models/issues/reaction.go
@ -240,25 +240,6 @@ func CreateReaction(ctx context.Context, opts *ReactionOptions) (*Reaction, erro
 	return reaction, nil
 }

-// CreateIssueReaction creates a reaction on issue.
-func CreateIssueReaction(ctx context.Context, doerID, issueID int64, content string) (*Reaction, error) {
-	return CreateReaction(ctx, &ReactionOptions{
-		Type:    content,
-		DoerID:  doerID,
-		IssueID: issueID,
-	})
-}
-
-// CreateCommentReaction creates a reaction on comment.
-func CreateCommentReaction(ctx context.Context, doerID, issueID, commentID int64, content string) (*Reaction, error) {
-	return CreateReaction(ctx, &ReactionOptions{
-		Type:      content,
-		DoerID:    doerID,
-		IssueID:   issueID,
-		CommentID: commentID,
-	})
-}
-
 // DeleteReaction deletes reaction for issue or comment.
 func DeleteReaction(ctx context.Context, opts *ReactionOptions) error {
 	reaction := &Reaction{
--- a/models/issues/reaction_test.go
+++ b/models/issues/reaction_test.go
@ -1,174 +0,0 @@
-// Copyright 2017 The Gitea Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-package issues_test
-
-import (
-	"testing"
-
-	"code.gitea.io/gitea/models/db"
-	issues_model "code.gitea.io/gitea/models/issues"
-	repo_model "code.gitea.io/gitea/models/repo"
-	"code.gitea.io/gitea/models/unittest"
-	user_model "code.gitea.io/gitea/models/user"
-	"code.gitea.io/gitea/modules/setting"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func addReaction(t *testing.T, doerID, issueID, commentID int64, content string) {
-	var reaction *issues_model.Reaction
-	var err error
-	if commentID == 0 {
-		reaction, err = issues_model.CreateIssueReaction(db.DefaultContext, doerID, issueID, content)
-	} else {
-		reaction, err = issues_model.CreateCommentReaction(db.DefaultContext, doerID, issueID, commentID, content)
-	}
-	assert.NoError(t, err)
-	assert.NotNil(t, reaction)
-}
-
-func TestIssueAddReaction(t *testing.T) {
-	assert.NoError(t, unittest.PrepareTestDatabase())
-
-	user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
-
-	var issue1ID int64 = 1
-
-	addReaction(t, user1.ID, issue1ID, 0, "heart")
-
-	unittest.AssertExistsAndLoadBean(t, &issues_model.Reaction{Type: "heart", UserID: user1.ID, IssueID: issue1ID})
-}
-
-func TestIssueAddDuplicateReaction(t *testing.T) {
-	assert.NoError(t, unittest.PrepareTestDatabase())
-
-	user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
-
-	var issue1ID int64 = 1
-
-	addReaction(t, user1.ID, issue1ID, 0, "heart")
-
-	reaction, err := issues_model.CreateReaction(db.DefaultContext, &issues_model.ReactionOptions{
-		DoerID:  user1.ID,
-		IssueID: issue1ID,
-		Type:    "heart",
-	})
-	assert.Error(t, err)
-	assert.Equal(t, issues_model.ErrReactionAlreadyExist{Reaction: "heart"}, err)
-
-	existingR := unittest.AssertExistsAndLoadBean(t, &issues_model.Reaction{Type: "heart", UserID: user1.ID, IssueID: issue1ID})
-	assert.Equal(t, existingR.ID, reaction.ID)
-}
-
-func TestIssueDeleteReaction(t *testing.T) {
-	assert.NoError(t, unittest.PrepareTestDatabase())
-
-	user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
-
-	var issue1ID int64 = 1
-
-	addReaction(t, user1.ID, issue1ID, 0, "heart")
-
-	err := issues_model.DeleteIssueReaction(db.DefaultContext, user1.ID, issue1ID, "heart")
-	assert.NoError(t, err)
-
-	unittest.AssertNotExistsBean(t, &issues_model.Reaction{Type: "heart", UserID: user1.ID, IssueID: issue1ID})
-}
-
-func TestIssueReactionCount(t *testing.T) {
-	assert.NoError(t, unittest.PrepareTestDatabase())
-
-	setting.UI.ReactionMaxUserNum = 2
-
-	user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
-	user2 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
-	org3 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 3})
-	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})
-	ghost := user_model.NewGhostUser()
-
-	var issueID int64 = 2
-	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
-
-	addReaction(t, user1.ID, issueID, 0, "heart")
-	addReaction(t, user2.ID, issueID, 0, "heart")
-	addReaction(t, org3.ID, issueID, 0, "heart")
-	addReaction(t, org3.ID, issueID, 0, "+1")
-	addReaction(t, user4.ID, issueID, 0, "+1")
-	addReaction(t, user4.ID, issueID, 0, "heart")
-	addReaction(t, ghost.ID, issueID, 0, "-1")
-
-	reactionsList, _, err := issues_model.FindReactions(db.DefaultContext, issues_model.FindReactionsOptions{
-		IssueID: issueID,
-	})
-	assert.NoError(t, err)
-	assert.Len(t, reactionsList, 7)
-	_, err = reactionsList.LoadUsers(db.DefaultContext, repo)
-	assert.NoError(t, err)
-
-	reactions := reactionsList.GroupByType()
-	assert.Len(t, reactions["heart"], 4)
-	assert.Equal(t, 2, reactions["heart"].GetMoreUserCount())
-	assert.Equal(t, user1.Name+", "+user2.Name, reactions["heart"].GetFirstUsers())
-	assert.True(t, reactions["heart"].HasUser(1))
-	assert.False(t, reactions["heart"].HasUser(5))
-	assert.False(t, reactions["heart"].HasUser(0))
-	assert.Len(t, reactions["+1"], 2)
-	assert.Equal(t, 0, reactions["+1"].GetMoreUserCount())
-	assert.Len(t, reactions["-1"], 1)
-}
-
-func TestIssueCommentAddReaction(t *testing.T) {
-	assert.NoError(t, unittest.PrepareTestDatabase())
-
-	user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
-
-	var issue1ID int64 = 1
-	var comment1ID int64 = 1
-
-	addReaction(t, user1.ID, issue1ID, comment1ID, "heart")
-
-	unittest.AssertExistsAndLoadBean(t, &issues_model.Reaction{Type: "heart", UserID: user1.ID, IssueID: issue1ID, CommentID: comment1ID})
-}
-
-func TestIssueCommentDeleteReaction(t *testing.T) {
-	assert.NoError(t, unittest.PrepareTestDatabase())
-
-	user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
-	user2 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
-	org3 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 3})
-	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})
-
-	var issue1ID int64 = 1
-	var comment1ID int64 = 1
-
-	addReaction(t, user1.ID, issue1ID, comment1ID, "heart")
-	addReaction(t, user2.ID, issue1ID, comment1ID, "heart")
-	addReaction(t, org3.ID, issue1ID, comment1ID, "heart")
-	addReaction(t, user4.ID, issue1ID, comment1ID, "+1")
-
-	reactionsList, _, err := issues_model.FindReactions(db.DefaultContext, issues_model.FindReactionsOptions{
-		IssueID:   issue1ID,
-		CommentID: comment1ID,
-	})
-	assert.NoError(t, err)
-	assert.Len(t, reactionsList, 4)
-
-	reactions := reactionsList.GroupByType()
-	assert.Len(t, reactions["heart"], 3)
-	assert.Len(t, reactions["+1"], 1)
-}
-
-func TestIssueCommentReactionCount(t *testing.T) {
-	assert.NoError(t, unittest.PrepareTestDatabase())
-
-	user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
-
-	var issue1ID int64 = 1
-	var comment1ID int64 = 1
-
-	addReaction(t, user1.ID, issue1ID, comment1ID, "heart")
-	assert.NoError(t, issues_model.DeleteCommentReaction(db.DefaultContext, user1.ID, issue1ID, comment1ID, "heart"))
-
-	unittest.AssertNotExistsBean(t, &issues_model.Reaction{Type: "heart", UserID: user1.ID, IssueID: issue1ID, CommentID: comment1ID})
-}
--- a/models/migrations/migrations.go
+++ b/models/migrations/migrations.go
@ -560,6 +560,8 @@ var migrations = []Migration{
 	NewMigration("Add support for SHA256 git repositories", v1_22.AdjustDBForSha256),
 	// v287 -> v288
 	NewMigration("Use Slug instead of ID for Badges", v1_22.UseSlugInsteadOfIDForBadges),
+	// v288 -> v289
+	NewMigration("Add user_blocking table", v1_22.AddUserBlockingTable),
 }

 // GetCurrentDBVersion returns the current db version
--- a/models/migrations/v1_22/v288.go
+++ b/models/migrations/v1_22/v288.go
@ -0,0 +1,26 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_22 //nolint
+
+import (
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/xorm"
+)
+
+type Blocking struct {
+	ID          int64 `xorm:"pk autoincr"`
+	BlockerID   int64 `xorm:"UNIQUE(block)"`
+	BlockeeID   int64 `xorm:"UNIQUE(block)"`
+	Note        string
+	CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+}
+
+func (*Blocking) TableName() string {
+	return "user_blocking"
+}
+
+func AddUserBlockingTable(x *xorm.Engine) error {
+	return x.Sync(&Blocking{})
+}
--- a/models/org.go
+++ b/models/org.go
@ -12,15 +12,16 @@ import (
 	"code.gitea.io/gitea/models/organization"
 	access_model "code.gitea.io/gitea/models/perm/access"
 	repo_model "code.gitea.io/gitea/models/repo"
+	user_model "code.gitea.io/gitea/models/user"
 )

 // RemoveOrgUser removes user from given organization.
-func RemoveOrgUser(ctx context.Context, orgID, userID int64) error {
+func RemoveOrgUser(ctx context.Context, org *organization.Organization, user *user_model.User) error {
 	ou := new(organization.OrgUser)

 	has, err := db.GetEngine(ctx).
-		Where("uid=?", userID).
-		And("org_id=?", orgID).
+		Where("uid=?", user.ID).
+		And("org_id=?", org.ID).
 		Get(ou)
 	if err != nil {
 		return fmt.Errorf("get org-user: %w", err)
@ -28,13 +29,8 @@ func RemoveOrgUser(ctx context.Context, orgID, userID int64) error {
 		return nil
 	}

-	org, err := organization.GetOrgByID(ctx, orgID)
-	if err != nil {
-		return fmt.Errorf("GetUserByID [%d]: %w", orgID, err)
-	}
-
 	// Check if the user to delete is the last member in owner team.
-	if isOwner, err := organization.IsOrganizationOwner(ctx, orgID, userID); err != nil {
+	if isOwner, err := organization.IsOrganizationOwner(ctx, org.ID, user.ID); err != nil {
 		return err
 	} else if isOwner {
 		t, err := organization.GetOwnerTeam(ctx, org.ID)
@ -45,8 +41,8 @@ func RemoveOrgUser(ctx context.Context, orgID, userID int64) error {
 			if err := t.LoadMembers(ctx); err != nil {
 				return err
 			}
-			if t.Members[0].ID == userID {
-				return organization.ErrLastOrgOwner{UID: userID}
+			if t.Members[0].ID == user.ID {
+				return organization.ErrLastOrgOwner{UID: user.ID}
 			}
 		}
 	}
@ -59,28 +55,32 @@ func RemoveOrgUser(ctx context.Context, orgID, userID int64) error {

 	if _, err := db.DeleteByID[organization.OrgUser](ctx, ou.ID); err != nil {
 		return err
-	} else if _, err = db.Exec(ctx, "UPDATE `user` SET num_members=num_members-1 WHERE id=?", orgID); err != nil {
+	} else if _, err = db.Exec(ctx, "UPDATE `user` SET num_members=num_members-1 WHERE id=?", org.ID); err != nil {
 		return err
 	}

 	// Delete all repository accesses and unwatch them.
-	env, err := organization.AccessibleReposEnv(ctx, org, userID)
+	env, err := organization.AccessibleReposEnv(ctx, org, user.ID)
 	if err != nil {
 		return fmt.Errorf("AccessibleReposEnv: %w", err)
 	}
 	repoIDs, err := env.RepoIDs(1, org.NumRepos)
 	if err != nil {
-		return fmt.Errorf("GetUserRepositories [%d]: %w", userID, err)
+		return fmt.Errorf("GetUserRepositories [%d]: %w", user.ID, err)
 	}
 	for _, repoID := range repoIDs {
-		if err = repo_model.WatchRepo(ctx, userID, repoID, false); err != nil {
+		repo, err := repo_model.GetRepositoryByID(ctx, repoID)
+		if err != nil {
+			return err
+		}
+		if err = repo_model.WatchRepo(ctx, user, repo, false); err != nil {
 			return err
 		}
 	}

 	if len(repoIDs) > 0 {
 		if _, err = db.GetEngine(ctx).
-			Where("user_id = ?", userID).
+			Where("user_id = ?", user.ID).
 			In("repo_id", repoIDs).
 			Delete(new(access_model.Access)); err != nil {
 			return err
@ -88,12 +88,12 @@ func RemoveOrgUser(ctx context.Context, orgID, userID int64) error {
 	}

 	// Delete member in their teams.
-	teams, err := organization.GetUserOrgTeams(ctx, org.ID, userID)
+	teams, err := organization.GetUserOrgTeams(ctx, org.ID, user.ID)
 	if err != nil {
 		return err
 	}
 	for _, t := range teams {
-		if err = removeTeamMember(ctx, t, userID); err != nil {
+		if err = removeTeamMember(ctx, t, user); err != nil {
 			return err
 		}
 	}
--- a/models/org_team.go
+++ b/models/org_team.go
@ -44,7 +44,7 @@ func AddRepository(ctx context.Context, t *organization.Team, repo *repo_model.R
 			return fmt.Errorf("getMembers: %w", err)
 		}
 		for _, u := range t.Members {
-			if err = repo_model.WatchRepo(ctx, u.ID, repo.ID, true); err != nil {
+			if err = repo_model.WatchRepo(ctx, u, repo, true); err != nil {
 				return fmt.Errorf("watchRepo: %w", err)
 			}
 		}
@ -125,7 +125,7 @@ func removeAllRepositories(ctx context.Context, t *organization.Team) (err error
 				continue
 			}

-			if err = repo_model.WatchRepo(ctx, user.ID, repo.ID, false); err != nil {
+			if err = repo_model.WatchRepo(ctx, user, repo, false); err != nil {
 				return err
 			}

@ -341,7 +341,7 @@ func DeleteTeam(ctx context.Context, t *organization.Team) error {
 	}

 	for _, tm := range t.Members {
-		if err := removeInvalidOrgUser(ctx, tm.ID, t.OrgID); err != nil {
+		if err := removeInvalidOrgUser(ctx, t.OrgID, tm); err != nil {
 			return err
 		}
 	}
@ -356,19 +356,23 @@ func DeleteTeam(ctx context.Context, t *organization.Team) error {

 // AddTeamMember adds new membership of given team to given organization,
 // the user will have membership to given organization automatically when needed.
-func AddTeamMember(ctx context.Context, team *organization.Team, userID int64) error {
-	isAlreadyMember, err := organization.IsTeamMember(ctx, team.OrgID, team.ID, userID)
+func AddTeamMember(ctx context.Context, team *organization.Team, user *user_model.User) error {
+	if user_model.IsUserBlockedBy(ctx, user, team.OrgID) {
+		return user_model.ErrBlockedUser
+	}
+
+	isAlreadyMember, err := organization.IsTeamMember(ctx, team.OrgID, team.ID, user.ID)
 	if err != nil || isAlreadyMember {
 		return err
 	}

-	if err := organization.AddOrgUser(ctx, team.OrgID, userID); err != nil {
+	if err := organization.AddOrgUser(ctx, team.OrgID, user.ID); err != nil {
 		return err
 	}

 	err = db.WithTx(ctx, func(ctx context.Context) error {
 		// check in transaction
-		isAlreadyMember, err = organization.IsTeamMember(ctx, team.OrgID, team.ID, userID)
+		isAlreadyMember, err = organization.IsTeamMember(ctx, team.OrgID, team.ID, user.ID)
 		if err != nil || isAlreadyMember {
 			return err
 		}
@ -376,7 +380,7 @@ func AddTeamMember(ctx context.Context, team *organization.Team, userID int64) e
 		sess := db.GetEngine(ctx)

 		if err := db.Insert(ctx, &organization.TeamUser{
-			UID:    userID,
+			UID:    user.ID,
 			OrgID:  team.OrgID,
 			TeamID: team.ID,
 		}); err != nil {
@ -392,7 +396,7 @@ func AddTeamMember(ctx context.Context, team *organization.Team, userID int64) e
 		subQuery := builder.Select("repo_id").From("team_repo").
 			Where(builder.Eq{"team_id": team.ID})

-		if _, err := sess.Where("user_id=?", userID).
+		if _, err := sess.Where("user_id=?", user.ID).
 			In("repo_id", subQuery).
 			And("mode < ?", team.AccessMode).
 			SetExpr("mode", team.AccessMode).
@ -402,14 +406,14 @@ func AddTeamMember(ctx context.Context, team *organization.Team, userID int64) e

 		// for not exist access
 		var repoIDs []int64
-		accessSubQuery := builder.Select("repo_id").From("access").Where(builder.Eq{"user_id": userID})
+		accessSubQuery := builder.Select("repo_id").From("access").Where(builder.Eq{"user_id": user.ID})
 		if err := sess.SQL(subQuery.And(builder.NotIn("repo_id", accessSubQuery))).Find(&repoIDs); err != nil {
 			return fmt.Errorf("select id accesses: %w", err)
 		}

 		accesses := make([]*access_model.Access, 0, 100)
 		for i, repoID := range repoIDs {
-			accesses = append(accesses, &access_model.Access{RepoID: repoID, UserID: userID, Mode: team.AccessMode})
+			accesses = append(accesses, &access_model.Access{RepoID: repoID, UserID: user.ID, Mode: team.AccessMode})
 			if (i%100 == 0 || i == len(repoIDs)-1) && len(accesses) > 0 {
 				if err = db.Insert(ctx, accesses); err != nil {
 					return fmt.Errorf("insert new user accesses: %w", err)
@ -430,10 +434,11 @@ func AddTeamMember(ctx context.Context, team *organization.Team, userID int64) e
 		if err := team.LoadRepositories(ctx); err != nil {
 			log.Error("team.LoadRepositories failed: %v", err)
 		}
+
 		// FIXME: in the goroutine, it can't access the "ctx", it could only use db.DefaultContext at the moment
 		go func(repos []*repo_model.Repository) {
 			for _, repo := range repos {
-				if err = repo_model.WatchRepo(db.DefaultContext, userID, repo.ID, true); err != nil {
+				if err = repo_model.WatchRepo(db.DefaultContext, user, repo, true); err != nil {
 					log.Error("watch repo failed: %v", err)
 				}
 			}
@ -443,16 +448,16 @@ func AddTeamMember(ctx context.Context, team *organization.Team, userID int64) e
 	return nil
 }

-func removeTeamMember(ctx context.Context, team *organization.Team, userID int64) error {
+func removeTeamMember(ctx context.Context, team *organization.Team, user *user_model.User) error {
 	e := db.GetEngine(ctx)
-	isMember, err := organization.IsTeamMember(ctx, team.OrgID, team.ID, userID)
+	isMember, err := organization.IsTeamMember(ctx, team.OrgID, team.ID, user.ID)
 	if err != nil || !isMember {
 		return err
 	}

 	// Check if the user to delete is the last member in owner team.
 	if team.IsOwnerTeam() && team.NumMembers == 1 {
-		return organization.ErrLastOrgOwner{UID: userID}
+		return organization.ErrLastOrgOwner{UID: user.ID}
 	}

 	team.NumMembers--
@ -462,7 +467,7 @@ func removeTeamMember(ctx context.Context, team *organization.Team, userID int64
 	}

 	if _, err := e.Delete(&organization.TeamUser{
-		UID:    userID,
+		UID:    user.ID,
 		OrgID:  team.OrgID,
 		TeamID: team.ID,
 	}); err != nil {
@ -476,76 +481,76 @@ func removeTeamMember(ctx context.Context, team *organization.Team, userID int64

 	// Delete access to team repositories.
 	for _, repo := range team.Repos {
-		if err := access_model.RecalculateUserAccess(ctx, repo, userID); err != nil {
+		if err := access_model.RecalculateUserAccess(ctx, repo, user.ID); err != nil {
 			return err
 		}

 		// Remove watches from now unaccessible
-		if err := ReconsiderWatches(ctx, repo, userID); err != nil {
+		if err := ReconsiderWatches(ctx, repo, user); err != nil {
 			return err
 		}

 		// Remove issue assignments from now unaccessible
-		if err := ReconsiderRepoIssuesAssignee(ctx, repo, userID); err != nil {
+		if err := ReconsiderRepoIssuesAssignee(ctx, repo, user); err != nil {
 			return err
 		}
 	}

-	return removeInvalidOrgUser(ctx, userID, team.OrgID)
+	return removeInvalidOrgUser(ctx, team.OrgID, user)
 }

-func removeInvalidOrgUser(ctx context.Context, userID, orgID int64) error {
+func removeInvalidOrgUser(ctx context.Context, orgID int64, user *user_model.User) error {
 	// Check if the user is a member of any team in the organization.
 	if count, err := db.GetEngine(ctx).Count(&organization.TeamUser{
-		UID:   userID,
+		UID:   user.ID,
 		OrgID: orgID,
 	}); err != nil {
 		return err
 	} else if count == 0 {
-		return RemoveOrgUser(ctx, orgID, userID)
+		org, err := organization.GetOrgByID(ctx, orgID)
+		if err != nil {
+			return err
+		}
+
+		return RemoveOrgUser(ctx, org, user)
 	}
 	return nil
 }

 // RemoveTeamMember removes member from given team of given organization.
-func RemoveTeamMember(ctx context.Context, team *organization.Team, userID int64) error {
+func RemoveTeamMember(ctx context.Context, team *organization.Team, user *user_model.User) error {
 	ctx, committer, err := db.TxContext(ctx)
 	if err != nil {
 		return err
 	}
 	defer committer.Close()
-	if err := removeTeamMember(ctx, team, userID); err != nil {
+	if err := removeTeamMember(ctx, team, user); err != nil {
 		return err
 	}
 	return committer.Commit()
 }

-func ReconsiderRepoIssuesAssignee(ctx context.Context, repo *repo_model.Repository, uid int64) error {
-	user, err := user_model.GetUserByID(ctx, uid)
-	if err != nil {
-		return err
-	}
-
+func ReconsiderRepoIssuesAssignee(ctx context.Context, repo *repo_model.Repository, user *user_model.User) error {
 	if canAssigned, err := access_model.CanBeAssigned(ctx, user, repo, true); err != nil || canAssigned {
 		return err
 	}

-	if _, err := db.GetEngine(ctx).Where(builder.Eq{"assignee_id": uid}).
+	if _, err := db.GetEngine(ctx).Where(builder.Eq{"assignee_id": user.ID}).
 		In("issue_id", builder.Select("id").From("issue").Where(builder.Eq{"repo_id": repo.ID})).
 		Delete(&issues_model.IssueAssignees{}); err != nil {
-		return fmt.Errorf("Could not delete assignee[%d] %w", uid, err)
+		return fmt.Errorf("Could not delete assignee[%d] %w", user.ID, err)
 	}
 	return nil
 }

-func ReconsiderWatches(ctx context.Context, repo *repo_model.Repository, uid int64) error {
-	if has, err := access_model.HasAccess(ctx, uid, repo); err != nil || has {
+func ReconsiderWatches(ctx context.Context, repo *repo_model.Repository, user *user_model.User) error {
+	if has, err := access_model.HasAccess(ctx, user.ID, repo); err != nil || has {
 		return err
 	}
-	if err := repo_model.WatchRepo(ctx, uid, repo.ID, false); err != nil {
+	if err := repo_model.WatchRepo(ctx, user, repo, false); err != nil {
 		return err
 	}

 	// Remove all IssueWatches a user has subscribed to in the repository
-	return issues_model.RemoveIssueWatchersByRepoID(ctx, uid, repo.ID)
+	return issues_model.RemoveIssueWatchersByRepoID(ctx, user.ID, repo.ID)
 }
--- a/models/org_team_test.go
+++ b/models/org_team_test.go
@ -21,33 +21,42 @@ import (
 func TestTeam_AddMember(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())

-	test := func(teamID, userID int64) {
-		team := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: teamID})
-		assert.NoError(t, AddTeamMember(db.DefaultContext, team, userID))
-		unittest.AssertExistsAndLoadBean(t, &organization.TeamUser{UID: userID, TeamID: teamID})
-		unittest.CheckConsistencyFor(t, &organization.Team{ID: teamID}, &user_model.User{ID: team.OrgID})
+	test := func(team *organization.Team, user *user_model.User) {
+		assert.NoError(t, AddTeamMember(db.DefaultContext, team, user))
+		unittest.AssertExistsAndLoadBean(t, &organization.TeamUser{UID: user.ID, TeamID: team.ID})
+		unittest.CheckConsistencyFor(t, &organization.Team{ID: team.ID}, &user_model.User{ID: team.OrgID})
 	}
-	test(1, 2)
-	test(1, 4)
-	test(3, 2)
+
+	team1 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 1})
+	team3 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 3})
+	user2 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
+	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})
+
+	test(team1, user2)
+	test(team1, user4)
+	test(team3, user2)
 }

 func TestTeam_RemoveMember(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())

-	testSuccess := func(teamID, userID int64) {
-		team := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: teamID})
-		assert.NoError(t, RemoveTeamMember(db.DefaultContext, team, userID))
-		unittest.AssertNotExistsBean(t, &organization.TeamUser{UID: userID, TeamID: teamID})
-		unittest.CheckConsistencyFor(t, &organization.Team{ID: teamID})
+	testSuccess := func(team *organization.Team, user *user_model.User) {
+		assert.NoError(t, RemoveTeamMember(db.DefaultContext, team, user))
+		unittest.AssertNotExistsBean(t, &organization.TeamUser{UID: user.ID, TeamID: team.ID})
+		unittest.CheckConsistencyFor(t, &organization.Team{ID: team.ID})
 	}
-	testSuccess(1, 4)
-	testSuccess(2, 2)
-	testSuccess(3, 2)
-	testSuccess(3, unittest.NonexistentID)

-	team := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 1})
-	err := RemoveTeamMember(db.DefaultContext, team, 2)
+	team1 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 1})
+	team2 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 2})
+	team3 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 3})
+	user2 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
+	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})
+
+	testSuccess(team1, user4)
+	testSuccess(team2, user2)
+	testSuccess(team3, user2)
+
+	err := RemoveTeamMember(db.DefaultContext, team1, user2)
 	assert.True(t, organization.IsErrLastOrgOwner(err))
 }

@ -120,33 +129,42 @@ func TestDeleteTeam(t *testing.T) {
 func TestAddTeamMember(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())

-	test := func(teamID, userID int64) {
-		team := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: teamID})
-		assert.NoError(t, AddTeamMember(db.DefaultContext, team, userID))
-		unittest.AssertExistsAndLoadBean(t, &organization.TeamUser{UID: userID, TeamID: teamID})
-		unittest.CheckConsistencyFor(t, &organization.Team{ID: teamID}, &user_model.User{ID: team.OrgID})
+	test := func(team *organization.Team, user *user_model.User) {
+		assert.NoError(t, AddTeamMember(db.DefaultContext, team, user))
+		unittest.AssertExistsAndLoadBean(t, &organization.TeamUser{UID: user.ID, TeamID: team.ID})
+		unittest.CheckConsistencyFor(t, &organization.Team{ID: team.ID}, &user_model.User{ID: team.OrgID})
 	}
-	test(1, 2)
-	test(1, 4)
-	test(3, 2)
+
+	team1 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 1})
+	team3 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 3})
+	user2 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
+	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})
+
+	test(team1, user2)
+	test(team1, user4)
+	test(team3, user2)
 }

 func TestRemoveTeamMember(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())

-	testSuccess := func(teamID, userID int64) {
-		team := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: teamID})
-		assert.NoError(t, RemoveTeamMember(db.DefaultContext, team, userID))
-		unittest.AssertNotExistsBean(t, &organization.TeamUser{UID: userID, TeamID: teamID})
-		unittest.CheckConsistencyFor(t, &organization.Team{ID: teamID})
+	testSuccess := func(team *organization.Team, user *user_model.User) {
+		assert.NoError(t, RemoveTeamMember(db.DefaultContext, team, user))
+		unittest.AssertNotExistsBean(t, &organization.TeamUser{UID: user.ID, TeamID: team.ID})
+		unittest.CheckConsistencyFor(t, &organization.Team{ID: team.ID})
 	}
-	testSuccess(1, 4)
-	testSuccess(2, 2)
-	testSuccess(3, 2)
-	testSuccess(3, unittest.NonexistentID)

-	team := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 1})
-	err := RemoveTeamMember(db.DefaultContext, team, 2)
+	team1 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 1})
+	team2 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 2})
+	team3 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 3})
+	user2 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
+	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})
+
+	testSuccess(team1, user4)
+	testSuccess(team2, user2)
+	testSuccess(team3, user2)
+
+	err := RemoveTeamMember(db.DefaultContext, team1, user2)
 	assert.True(t, organization.IsErrLastOrgOwner(err))
 }

@ -155,15 +173,15 @@ func TestRepository_RecalculateAccesses3(t *testing.T) {
 	team5 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 5})
 	user29 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 29})

-	has, err := db.GetEngine(db.DefaultContext).Get(&access_model.Access{UserID: 29, RepoID: 23})
+	has, err := db.GetEngine(db.DefaultContext).Get(&access_model.Access{UserID: user29.ID, RepoID: 23})
 	assert.NoError(t, err)
 	assert.False(t, has)

 	// adding user29 to team5 should add an explicit access row for repo 23
 	// even though repo 23 is public
-	assert.NoError(t, AddTeamMember(db.DefaultContext, team5, user29.ID))
+	assert.NoError(t, AddTeamMember(db.DefaultContext, team5, user29))

-	has, err = db.GetEngine(db.DefaultContext).Get(&access_model.Access{UserID: 29, RepoID: 23})
+	has, err = db.GetEngine(db.DefaultContext).Get(&access_model.Access{UserID: user29.ID, RepoID: 23})
 	assert.NoError(t, err)
 	assert.True(t, has)
 }
--- a/models/org_test.go
+++ b/models/org_test.go
@ -16,22 +16,27 @@ import (

 func TestUser_RemoveMember(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
+
 	org := unittest.AssertExistsAndLoadBean(t, &organization.Organization{ID: 3})
+	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})
+	user5 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 5})

 	// remove a user that is a member
-	unittest.AssertExistsAndLoadBean(t, &organization.OrgUser{UID: 4, OrgID: 3})
+	unittest.AssertExistsAndLoadBean(t, &organization.OrgUser{UID: user4.ID, OrgID: org.ID})
 	prevNumMembers := org.NumMembers
-	assert.NoError(t, RemoveOrgUser(db.DefaultContext, org.ID, 4))
-	unittest.AssertNotExistsBean(t, &organization.OrgUser{UID: 4, OrgID: 3})
-	org = unittest.AssertExistsAndLoadBean(t, &organization.Organization{ID: 3})
+	assert.NoError(t, RemoveOrgUser(db.DefaultContext, org, user4))
+	unittest.AssertNotExistsBean(t, &organization.OrgUser{UID: user4.ID, OrgID: org.ID})
+
+	org = unittest.AssertExistsAndLoadBean(t, &organization.Organization{ID: org.ID})
 	assert.Equal(t, prevNumMembers-1, org.NumMembers)

 	// remove a user that is not a member
-	unittest.AssertNotExistsBean(t, &organization.OrgUser{UID: 5, OrgID: 3})
+	unittest.AssertNotExistsBean(t, &organization.OrgUser{UID: user5.ID, OrgID: org.ID})
 	prevNumMembers = org.NumMembers
-	assert.NoError(t, RemoveOrgUser(db.DefaultContext, org.ID, 5))
-	unittest.AssertNotExistsBean(t, &organization.OrgUser{UID: 5, OrgID: 3})
-	org = unittest.AssertExistsAndLoadBean(t, &organization.Organization{ID: 3})
+	assert.NoError(t, RemoveOrgUser(db.DefaultContext, org, user5))
+	unittest.AssertNotExistsBean(t, &organization.OrgUser{UID: user5.ID, OrgID: org.ID})
+
+	org = unittest.AssertExistsAndLoadBean(t, &organization.Organization{ID: org.ID})
 	assert.Equal(t, prevNumMembers, org.NumMembers)

 	unittest.CheckConsistencyFor(t, &user_model.User{}, &organization.Team{})
@ -39,23 +44,31 @@ func TestUser_RemoveMember(t *testing.T) {

 func TestRemoveOrgUser(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	testSuccess := func(orgID, userID int64) {
-		org := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: orgID})
+
+	testSuccess := func(org *organization.Organization, user *user_model.User) {
 		expectedNumMembers := org.NumMembers
-		if unittest.BeanExists(t, &organization.OrgUser{OrgID: orgID, UID: userID}) {
+		if unittest.BeanExists(t, &organization.OrgUser{OrgID: org.ID, UID: user.ID}) {
 			expectedNumMembers--
 		}
-		assert.NoError(t, RemoveOrgUser(db.DefaultContext, orgID, userID))
-		unittest.AssertNotExistsBean(t, &organization.OrgUser{OrgID: orgID, UID: userID})
-		org = unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: orgID})
+		assert.NoError(t, RemoveOrgUser(db.DefaultContext, org, user))
+		unittest.AssertNotExistsBean(t, &organization.OrgUser{OrgID: org.ID, UID: user.ID})
+		org = unittest.AssertExistsAndLoadBean(t, &organization.Organization{ID: org.ID})
 		assert.EqualValues(t, expectedNumMembers, org.NumMembers)
 	}
-	testSuccess(3, 4)
-	testSuccess(3, 4)

-	err := RemoveOrgUser(db.DefaultContext, 7, 5)
+	org3 := unittest.AssertExistsAndLoadBean(t, &organization.Organization{ID: 3})
+	org7 := unittest.AssertExistsAndLoadBean(t, &organization.Organization{ID: 7})
+	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})
+	user5 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 5})
+
+	testSuccess(org3, user4)
+
+	org3 = unittest.AssertExistsAndLoadBean(t, &organization.Organization{ID: 3})
+	testSuccess(org3, user4)
+
+	err := RemoveOrgUser(db.DefaultContext, org7, user5)
 	assert.Error(t, err)
 	assert.True(t, organization.IsErrLastOrgOwner(err))
-	unittest.AssertExistsAndLoadBean(t, &organization.OrgUser{OrgID: 7, UID: 5})
+	unittest.AssertExistsAndLoadBean(t, &organization.OrgUser{OrgID: org7.ID, UID: user5.ID})
 	unittest.CheckConsistencyFor(t, &user_model.User{}, &organization.Team{})
 }
--- a/models/organization/org.go
+++ b/models/organization/org.go
@ -400,6 +400,7 @@ func DeleteOrganization(ctx context.Context, org *Organization) error {
 		&TeamUnit{OrgID: org.ID},
 		&TeamInvite{OrgID: org.ID},
 		&secret_model.Secret{OwnerID: org.ID},
+		&user_model.Blocking{BlockerID: org.ID},
 	); err != nil {
 		return fmt.Errorf("DeleteBeans: %w", err)
 	}
--- a/models/organization/team_user.go
+++ b/models/organization/team_user.go
@ -30,14 +30,6 @@ func IsTeamMember(ctx context.Context, orgID, teamID, userID int64) (bool, error
 		Exist()
 }

-// GetTeamUsersByTeamID returns team users for a team
-func GetTeamUsersByTeamID(ctx context.Context, teamID int64) ([]*TeamUser, error) {
-	teamUsers := make([]*TeamUser, 0, 10)
-	return teamUsers, db.GetEngine(ctx).
-		Where("team_id=?", teamID).
-		Find(&teamUsers)
-}
-
 // SearchMembersOptions holds the search options
 type SearchMembersOptions struct {
 	db.ListOptions
--- a/models/perm/access/access.go
+++ b/models/perm/access/access.go
@ -128,9 +128,9 @@ func refreshAccesses(ctx context.Context, repo *repo_model.Repository, accessMap

 // refreshCollaboratorAccesses retrieves repository collaborations with their access modes.
 func refreshCollaboratorAccesses(ctx context.Context, repoID int64, accessMap map[int64]*userAccess) error {
-	collaborators, err := repo_model.GetCollaborators(ctx, repoID, db.ListOptions{})
+	collaborators, _, err := repo_model.GetCollaborators(ctx, &repo_model.FindCollaborationOptions{RepoID: repoID})
 	if err != nil {
-		return fmt.Errorf("getCollaborations: %w", err)
+		return fmt.Errorf("GetCollaborators: %w", err)
 	}
 	for _, c := range collaborators {
 		if c.User.IsGhost() {
--- a/models/repo/collaboration.go
+++ b/models/repo/collaboration.go
@ -36,14 +36,44 @@ type Collaborator struct {
 	Collaboration *Collaboration
 }

+type FindCollaborationOptions struct {
+	db.ListOptions
+	RepoID         int64
+	RepoOwnerID    int64
+	CollaboratorID int64
+}
+
+func (opts *FindCollaborationOptions) ToConds() builder.Cond {
+	cond := builder.NewCond()
+	if opts.RepoID != 0 {
+		cond = cond.And(builder.Eq{"collaboration.repo_id": opts.RepoID})
+	}
+	if opts.RepoOwnerID != 0 {
+		cond = cond.And(builder.Eq{"repository.owner_id": opts.RepoOwnerID})
+	}
+	if opts.CollaboratorID != 0 {
+		cond = cond.And(builder.Eq{"collaboration.user_id": opts.CollaboratorID})
+	}
+	return cond
+}
+
+func (opts *FindCollaborationOptions) ToJoins() []db.JoinFunc {
+	if opts.RepoOwnerID != 0 {
+		return []db.JoinFunc{
+			func(e db.Engine) error {
+				e.Join("INNER", "repository", "repository.id = collaboration.repo_id")
+				return nil
+			},
+		}
+	}
+	return nil
+}
+
 // GetCollaborators returns the collaborators for a repository
-func GetCollaborators(ctx context.Context, repoID int64, listOptions db.ListOptions) ([]*Collaborator, error) {
-	collaborations, err := db.Find[Collaboration](ctx, FindCollaborationOptions{
-		ListOptions: listOptions,
-		RepoID:      repoID,
-	})
+func GetCollaborators(ctx context.Context, opts *FindCollaborationOptions) ([]*Collaborator, int64, error) {
+	collaborations, total, err := db.FindAndCount[Collaboration](ctx, opts)
 	if err != nil {
-		return nil, fmt.Errorf("db.Find[Collaboration]: %w", err)
+		return nil, 0, fmt.Errorf("db.FindAndCount[Collaboration]: %w", err)
 	}

 	collaborators := make([]*Collaborator, 0, len(collaborations))
@ -54,7 +84,7 @@ func GetCollaborators(ctx context.Context, repoID int64, listOptions db.ListOpti

 	usersMap := make(map[int64]*user_model.User)
 	if err := db.GetEngine(ctx).In("id", userIDs).Find(&usersMap); err != nil {
-		return nil, fmt.Errorf("Find users map by user ids: %w", err)
+		return nil, 0, fmt.Errorf("Find users map by user ids: %w", err)
 	}

 	for _, c := range collaborations {
@ -67,7 +97,7 @@ func GetCollaborators(ctx context.Context, repoID int64, listOptions db.ListOpti
 			Collaboration: c,
 		})
 	}
-	return collaborators, nil
+	return collaborators, total, nil
 }

 // GetCollaboration get collaboration for a repository id with a user id
@ -88,15 +118,6 @@ func IsCollaborator(ctx context.Context, repoID, userID int64) (bool, error) {
 	return db.GetEngine(ctx).Get(&Collaboration{RepoID: repoID, UserID: userID})
 }

-type FindCollaborationOptions struct {
-	db.ListOptions
-	RepoID int64
-}
-
-func (opts FindCollaborationOptions) ToConds() builder.Cond {
-	return builder.And(builder.Eq{"repo_id": opts.RepoID})
-}
-
 // ChangeCollaborationAccessMode sets new access mode for the collaboration.
 func ChangeCollaborationAccessMode(ctx context.Context, repo *Repository, uid int64, mode perm.AccessMode) error {
 	// Discard invalid input
--- a/models/repo/collaboration_test.go
+++ b/models/repo/collaboration_test.go
@ -19,7 +19,7 @@ func TestRepository_GetCollaborators(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 	test := func(repoID int64) {
 		repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: repoID})
-		collaborators, err := repo_model.GetCollaborators(db.DefaultContext, repo.ID, db.ListOptions{})
+		collaborators, _, err := repo_model.GetCollaborators(db.DefaultContext, &repo_model.FindCollaborationOptions{RepoID: repo.ID})
 		assert.NoError(t, err)
 		expectedLen, err := db.GetEngine(db.DefaultContext).Count(&repo_model.Collaboration{RepoID: repoID})
 		assert.NoError(t, err)
@ -37,11 +37,17 @@ func TestRepository_GetCollaborators(t *testing.T) {
 	// Test db.ListOptions
 	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 22})

-	collaborators1, err := repo_model.GetCollaborators(db.DefaultContext, repo.ID, db.ListOptions{PageSize: 1, Page: 1})
+	collaborators1, _, err := repo_model.GetCollaborators(db.DefaultContext, &repo_model.FindCollaborationOptions{
+		ListOptions: db.ListOptions{PageSize: 1, Page: 1},
+		RepoID:      repo.ID,
+	})
 	assert.NoError(t, err)
 	assert.Len(t, collaborators1, 1)

-	collaborators2, err := repo_model.GetCollaborators(db.DefaultContext, repo.ID, db.ListOptions{PageSize: 1, Page: 2})
+	collaborators2, _, err := repo_model.GetCollaborators(db.DefaultContext, &repo_model.FindCollaborationOptions{
+		ListOptions: db.ListOptions{PageSize: 1, Page: 2},
+		RepoID:      repo.ID,
+	})
 	assert.NoError(t, err)
 	assert.Len(t, collaborators2, 1)

@ -85,31 +91,6 @@ func TestRepository_ChangeCollaborationAccessMode(t *testing.T) {
 	unittest.CheckConsistencyFor(t, &repo_model.Repository{ID: repo.ID})
 }

-func TestRepository_CountCollaborators(t *testing.T) {
-	assert.NoError(t, unittest.PrepareTestDatabase())
-
-	repo1 := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 4})
-	count, err := db.Count[repo_model.Collaboration](db.DefaultContext, repo_model.FindCollaborationOptions{
-		RepoID: repo1.ID,
-	})
-	assert.NoError(t, err)
-	assert.EqualValues(t, 2, count)
-
-	repo2 := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 22})
-	count, err = db.Count[repo_model.Collaboration](db.DefaultContext, repo_model.FindCollaborationOptions{
-		RepoID: repo2.ID,
-	})
-	assert.NoError(t, err)
-	assert.EqualValues(t, 2, count)
-
-	// Non-existent repository.
-	count, err = db.Count[repo_model.Collaboration](db.DefaultContext, repo_model.FindCollaborationOptions{
-		RepoID: unittest.NonexistentID,
-	})
-	assert.NoError(t, err)
-	assert.EqualValues(t, 0, count)
-}
-
 func TestRepository_IsOwnerMemberCollaborator(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())

--- a/models/repo/repo_test.go
+++ b/models/repo/repo_test.go
@ -64,16 +64,17 @@ func TestRepoAPIURL(t *testing.T) {

 func TestWatchRepo(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	const repoID = 3
-	const userID = 2

-	assert.NoError(t, repo_model.WatchRepo(db.DefaultContext, userID, repoID, true))
-	unittest.AssertExistsAndLoadBean(t, &repo_model.Watch{RepoID: repoID, UserID: userID})
-	unittest.CheckConsistencyFor(t, &repo_model.Repository{ID: repoID})
+	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 3})
+	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})

-	assert.NoError(t, repo_model.WatchRepo(db.DefaultContext, userID, repoID, false))
-	unittest.AssertNotExistsBean(t, &repo_model.Watch{RepoID: repoID, UserID: userID})
-	unittest.CheckConsistencyFor(t, &repo_model.Repository{ID: repoID})
+	assert.NoError(t, repo_model.WatchRepo(db.DefaultContext, user, repo, true))
+	unittest.AssertExistsAndLoadBean(t, &repo_model.Watch{RepoID: repo.ID, UserID: user.ID})
+	unittest.CheckConsistencyFor(t, &repo_model.Repository{ID: repo.ID})
+
+	assert.NoError(t, repo_model.WatchRepo(db.DefaultContext, user, repo, false))
+	unittest.AssertNotExistsBean(t, &repo_model.Watch{RepoID: repo.ID, UserID: user.ID})
+	unittest.CheckConsistencyFor(t, &repo_model.Repository{ID: repo.ID})
 }

 func TestMetas(t *testing.T) {
--- a/models/repo/star.go
+++ b/models/repo/star.go
@ -24,26 +24,30 @@ func init() {
 }

 // StarRepo or unstar repository.
-func StarRepo(ctx context.Context, userID, repoID int64, star bool) error {
+func StarRepo(ctx context.Context, doer *user_model.User, repo *Repository, star bool) error {
 	ctx, committer, err := db.TxContext(ctx)
 	if err != nil {
 		return err
 	}
 	defer committer.Close()
-	staring := IsStaring(ctx, userID, repoID)
+	staring := IsStaring(ctx, doer.ID, repo.ID)

 	if star {
+		if user_model.IsUserBlockedBy(ctx, doer, repo.OwnerID) {
+			return user_model.ErrBlockedUser
+		}
+
 		if staring {
 			return nil
 		}

-		if err := db.Insert(ctx, &Star{UID: userID, RepoID: repoID}); err != nil {
+		if err := db.Insert(ctx, &Star{UID: doer.ID, RepoID: repo.ID}); err != nil {
 			return err
 		}
-		if _, err := db.Exec(ctx, "UPDATE `repository` SET num_stars = num_stars + 1 WHERE id = ?", repoID); err != nil {
+		if _, err := db.Exec(ctx, "UPDATE `repository` SET num_stars = num_stars + 1 WHERE id = ?", repo.ID); err != nil {
 			return err
 		}
-		if _, err := db.Exec(ctx, "UPDATE `user` SET num_stars = num_stars + 1 WHERE id = ?", userID); err != nil {
+		if _, err := db.Exec(ctx, "UPDATE `user` SET num_stars = num_stars + 1 WHERE id = ?", doer.ID); err != nil {
 			return err
 		}
 	} else {
@ -51,13 +55,13 @@ func StarRepo(ctx context.Context, userID, repoID int64, star bool) error {
 			return nil
 		}

-		if _, err := db.DeleteByBean(ctx, &Star{UID: userID, RepoID: repoID}); err != nil {
+		if _, err := db.DeleteByBean(ctx, &Star{UID: doer.ID, RepoID: repo.ID}); err != nil {
 			return err
 		}
-		if _, err := db.Exec(ctx, "UPDATE `repository` SET num_stars = num_stars - 1 WHERE id = ?", repoID); err != nil {
+		if _, err := db.Exec(ctx, "UPDATE `repository` SET num_stars = num_stars - 1 WHERE id = ?", repo.ID); err != nil {
 			return err
 		}
-		if _, err := db.Exec(ctx, "UPDATE `user` SET num_stars = num_stars - 1 WHERE id = ?", userID); err != nil {
+		if _, err := db.Exec(ctx, "UPDATE `user` SET num_stars = num_stars - 1 WHERE id = ?", doer.ID); err != nil {
 			return err
 		}
 	}
--- a/models/repo/star_test.go
+++ b/models/repo/star_test.go
@ -9,21 +9,24 @@ import (
 	"code.gitea.io/gitea/models/db"
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"

 	"github.com/stretchr/testify/assert"
 )

 func TestStarRepo(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	const userID = 2
-	const repoID = 1
-	unittest.AssertNotExistsBean(t, &repo_model.Star{UID: userID, RepoID: repoID})
-	assert.NoError(t, repo_model.StarRepo(db.DefaultContext, userID, repoID, true))
-	unittest.AssertExistsAndLoadBean(t, &repo_model.Star{UID: userID, RepoID: repoID})
-	assert.NoError(t, repo_model.StarRepo(db.DefaultContext, userID, repoID, true))
-	unittest.AssertExistsAndLoadBean(t, &repo_model.Star{UID: userID, RepoID: repoID})
-	assert.NoError(t, repo_model.StarRepo(db.DefaultContext, userID, repoID, false))
-	unittest.AssertNotExistsBean(t, &repo_model.Star{UID: userID, RepoID: repoID})
+
+	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
+	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
+
+	unittest.AssertNotExistsBean(t, &repo_model.Star{UID: user.ID, RepoID: repo.ID})
+	assert.NoError(t, repo_model.StarRepo(db.DefaultContext, user, repo, true))
+	unittest.AssertExistsAndLoadBean(t, &repo_model.Star{UID: user.ID, RepoID: repo.ID})
+	assert.NoError(t, repo_model.StarRepo(db.DefaultContext, user, repo, true))
+	unittest.AssertExistsAndLoadBean(t, &repo_model.Star{UID: user.ID, RepoID: repo.ID})
+	assert.NoError(t, repo_model.StarRepo(db.DefaultContext, user, repo, false))
+	unittest.AssertNotExistsBean(t, &repo_model.Star{UID: user.ID, RepoID: repo.ID})
 }

 func TestIsStaring(t *testing.T) {
@ -54,17 +57,18 @@ func TestRepository_GetStargazers2(t *testing.T) {

 func TestClearRepoStars(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	const userID = 2
-	const repoID = 1
-	unittest.AssertNotExistsBean(t, &repo_model.Star{UID: userID, RepoID: repoID})
-	assert.NoError(t, repo_model.StarRepo(db.DefaultContext, userID, repoID, true))
-	unittest.AssertExistsAndLoadBean(t, &repo_model.Star{UID: userID, RepoID: repoID})
-	assert.NoError(t, repo_model.StarRepo(db.DefaultContext, userID, repoID, false))
-	unittest.AssertNotExistsBean(t, &repo_model.Star{UID: userID, RepoID: repoID})
-	assert.NoError(t, repo_model.ClearRepoStars(db.DefaultContext, repoID))
-	unittest.AssertNotExistsBean(t, &repo_model.Star{UID: userID, RepoID: repoID})

+	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
 	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
+
+	unittest.AssertNotExistsBean(t, &repo_model.Star{UID: user.ID, RepoID: repo.ID})
+	assert.NoError(t, repo_model.StarRepo(db.DefaultContext, user, repo, true))
+	unittest.AssertExistsAndLoadBean(t, &repo_model.Star{UID: user.ID, RepoID: repo.ID})
+	assert.NoError(t, repo_model.StarRepo(db.DefaultContext, user, repo, false))
+	unittest.AssertNotExistsBean(t, &repo_model.Star{UID: user.ID, RepoID: repo.ID})
+	assert.NoError(t, repo_model.ClearRepoStars(db.DefaultContext, repo.ID))
+	unittest.AssertNotExistsBean(t, &repo_model.Star{UID: user.ID, RepoID: repo.ID})
+
 	gazers, err := repo_model.GetStargazers(db.DefaultContext, repo, db.ListOptions{Page: 0})
 	assert.NoError(t, err)
 	assert.Len(t, gazers, 0)
--- a/models/repo/user_repo.go
+++ b/models/repo/user_repo.go
@ -16,47 +16,82 @@ import (
 	"xorm.io/builder"
 )

+type StarredReposOptions struct {
+	db.ListOptions
+	StarrerID      int64
+	RepoOwnerID    int64
+	IncludePrivate bool
+}
+
+func (opts *StarredReposOptions) ToConds() builder.Cond {
+	var cond builder.Cond = builder.Eq{
+		"star.uid": opts.StarrerID,
+	}
+	if opts.RepoOwnerID != 0 {
+		cond = cond.And(builder.Eq{
+			"repository.owner_id": opts.RepoOwnerID,
+		})
+	}
+	if !opts.IncludePrivate {
+		cond = cond.And(builder.Eq{
+			"repository.is_private": false,
+		})
+	}
+	return cond
+}
+
+func (opts *StarredReposOptions) ToJoins() []db.JoinFunc {
+	return []db.JoinFunc{
+		func(e db.Engine) error {
+			e.Join("INNER", "star", "`repository`.id=`star`.repo_id")
+			return nil
+		},
+	}
+}
+
 // GetStarredRepos returns the repos starred by a particular user
-func GetStarredRepos(ctx context.Context, userID int64, private bool, listOptions db.ListOptions) ([]*Repository, error) {
-	sess := db.GetEngine(ctx).
-		Where("star.uid=?", userID).
-		Join("LEFT", "star", "`repository`.id=`star`.repo_id")
-	if !private {
-		sess = sess.And("is_private=?", false)
+func GetStarredRepos(ctx context.Context, opts *StarredReposOptions) ([]*Repository, error) {
+	return db.Find[Repository](ctx, opts)
+}
+
+type WatchedReposOptions struct {
+	db.ListOptions
+	WatcherID      int64
+	RepoOwnerID    int64
+	IncludePrivate bool
+}
+
+func (opts *WatchedReposOptions) ToConds() builder.Cond {
+	var cond builder.Cond = builder.Eq{
+		"watch.user_id": opts.WatcherID,
 	}
-
-	if listOptions.Page != 0 {
-		sess = db.SetSessionPagination(sess, &listOptions)
-
-		repos := make([]*Repository, 0, listOptions.PageSize)
-		return repos, sess.Find(&repos)
+	if opts.RepoOwnerID != 0 {
+		cond = cond.And(builder.Eq{
+			"repository.owner_id": opts.RepoOwnerID,
+		})
 	}
+	if !opts.IncludePrivate {
+		cond = cond.And(builder.Eq{
+			"repository.is_private": false,
+		})
+	}
+	return cond.And(builder.Neq{
+		"watch.mode": WatchModeDont,
+	})
+}

-	repos := make([]*Repository, 0, 10)
-	return repos, sess.Find(&repos)
+func (opts *WatchedReposOptions) ToJoins() []db.JoinFunc {
+	return []db.JoinFunc{
+		func(e db.Engine) error {
+			e.Join("INNER", "watch", "`repository`.id=`watch`.repo_id")
+			return nil
+		},
+	}
 }

 // GetWatchedRepos returns the repos watched by a particular user
-func GetWatchedRepos(ctx context.Context, userID int64, private bool, listOptions db.ListOptions) ([]*Repository, int64, error) {
-	sess := db.GetEngine(ctx).
-		Where("watch.user_id=?", userID).
-		And("`watch`.mode<>?", WatchModeDont).
-		Join("LEFT", "watch", "`repository`.id=`watch`.repo_id")
-	if !private {
-		sess = sess.And("is_private=?", false)
-	}
-
-	if listOptions.Page != 0 {
-		sess = db.SetSessionPagination(sess, &listOptions)
-
-		repos := make([]*Repository, 0, listOptions.PageSize)
-		total, err := sess.FindAndCount(&repos)
-		return repos, total, err
-	}
-
-	repos := make([]*Repository, 0, 10)
-	total, err := sess.FindAndCount(&repos)
-	return repos, total, err
+func GetWatchedRepos(ctx context.Context, opts *WatchedReposOptions) ([]*Repository, int64, error) {
+	return db.FindAndCount[Repository](ctx, opts)
 }

 // GetRepoAssignees returns all users that have write access and can be assigned to issues
--- a/models/repo/user_repo_test.go
+++ b/models/repo/user_repo_test.go
@ -25,10 +25,8 @@ func TestRepoAssignees(t *testing.T) {
 	repo21 := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 21})
 	users, err = repo_model.GetRepoAssignees(db.DefaultContext, repo21)
 	assert.NoError(t, err)
-	assert.Len(t, users, 3)
-	assert.Equal(t, users[0].ID, int64(15))
-	assert.Equal(t, users[1].ID, int64(18))
-	assert.Equal(t, users[2].ID, int64(16))
+	assert.Len(t, users, 4)
+	assert.ElementsMatch(t, []int64{10, 15, 16, 18}, []int64{users[0].ID, users[1].ID, users[2].ID, users[3].ID})
 }

 func TestRepoGetReviewers(t *testing.T) {
--- a/models/repo/watch.go
+++ b/models/repo/watch.go
@ -104,29 +104,23 @@ func watchRepoMode(ctx context.Context, watch Watch, mode WatchMode) (err error)
 	return err
 }

-// WatchRepoMode watch repository in specific mode.
-func WatchRepoMode(ctx context.Context, userID, repoID int64, mode WatchMode) (err error) {
-	var watch Watch
-	if watch, err = GetWatch(ctx, userID, repoID); err != nil {
-		return err
-	}
-	return watchRepoMode(ctx, watch, mode)
-}
-
 // WatchRepo watch or unwatch repository.
-func WatchRepo(ctx context.Context, userID, repoID int64, doWatch bool) (err error) {
-	var watch Watch
-	if watch, err = GetWatch(ctx, userID, repoID); err != nil {
+func WatchRepo(ctx context.Context, doer *user_model.User, repo *Repository, doWatch bool) error {
+	watch, err := GetWatch(ctx, doer.ID, repo.ID)
+	if err != nil {
 		return err
 	}
 	if !doWatch && watch.Mode == WatchModeAuto {
-		err = watchRepoMode(ctx, watch, WatchModeDont)
+		return watchRepoMode(ctx, watch, WatchModeDont)
 	} else if !doWatch {
-		err = watchRepoMode(ctx, watch, WatchModeNone)
-	} else {
-		err = watchRepoMode(ctx, watch, WatchModeNormal)
+		return watchRepoMode(ctx, watch, WatchModeNone)
 	}
-	return err
+
+	if user_model.IsUserBlockedBy(ctx, doer, repo.OwnerID) {
+		return user_model.ErrBlockedUser
+	}
+
+	return watchRepoMode(ctx, watch, WatchModeNormal)
 }

 // GetWatchers returns all watchers of given repository.
--- a/models/repo/watch_test.go
+++ b/models/repo/watch_test.go
@ -9,6 +9,7 @@ import (
 	"code.gitea.io/gitea/models/db"
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"
 	"code.gitea.io/gitea/modules/setting"

 	"github.com/stretchr/testify/assert"
@ -64,6 +65,8 @@ func TestWatchIfAuto(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())

 	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
+	user12 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 12})
+
 	watchers, err := repo_model.GetRepoWatchers(db.DefaultContext, repo.ID, db.ListOptions{Page: 1})
 	assert.NoError(t, err)
 	assert.Len(t, watchers, repo.NumWatches)
@ -105,7 +108,7 @@ func TestWatchIfAuto(t *testing.T) {
 	assert.Len(t, watchers, prevCount+1)

 	// Should remove watch, inhibit from adding auto
-	assert.NoError(t, repo_model.WatchRepo(db.DefaultContext, 12, 1, false))
+	assert.NoError(t, repo_model.WatchRepo(db.DefaultContext, user12, repo, false))
 	watchers, err = repo_model.GetRepoWatchers(db.DefaultContext, repo.ID, db.ListOptions{Page: 1})
 	assert.NoError(t, err)
 	assert.Len(t, watchers, prevCount)
@ -116,24 +119,3 @@ func TestWatchIfAuto(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Len(t, watchers, prevCount)
 }
-
-func TestWatchRepoMode(t *testing.T) {
-	assert.NoError(t, unittest.PrepareTestDatabase())
-
-	unittest.AssertCount(t, &repo_model.Watch{UserID: 12, RepoID: 1}, 0)
-
-	assert.NoError(t, repo_model.WatchRepoMode(db.DefaultContext, 12, 1, repo_model.WatchModeAuto))
-	unittest.AssertCount(t, &repo_model.Watch{UserID: 12, RepoID: 1}, 1)
-	unittest.AssertCount(t, &repo_model.Watch{UserID: 12, RepoID: 1, Mode: repo_model.WatchModeAuto}, 1)
-
-	assert.NoError(t, repo_model.WatchRepoMode(db.DefaultContext, 12, 1, repo_model.WatchModeNormal))
-	unittest.AssertCount(t, &repo_model.Watch{UserID: 12, RepoID: 1}, 1)
-	unittest.AssertCount(t, &repo_model.Watch{UserID: 12, RepoID: 1, Mode: repo_model.WatchModeNormal}, 1)
-
-	assert.NoError(t, repo_model.WatchRepoMode(db.DefaultContext, 12, 1, repo_model.WatchModeDont))
-	unittest.AssertCount(t, &repo_model.Watch{UserID: 12, RepoID: 1}, 1)
-	unittest.AssertCount(t, &repo_model.Watch{UserID: 12, RepoID: 1, Mode: repo_model.WatchModeDont}, 1)
-
-	assert.NoError(t, repo_model.WatchRepoMode(db.DefaultContext, 12, 1, repo_model.WatchModeNone))
-	unittest.AssertCount(t, &repo_model.Watch{UserID: 12, RepoID: 1}, 0)
-}
--- a/models/repo_transfer.go
+++ b/models/repo_transfer.go
@ -13,6 +13,8 @@ import (
 	user_model "code.gitea.io/gitea/models/user"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/builder"
 )

 // RepoTransfer is used to manage repository transfers
@ -94,21 +96,46 @@ func (r *RepoTransfer) CanUserAcceptTransfer(ctx context.Context, u *user_model.
 	return allowed
 }

+type PendingRepositoryTransferOptions struct {
+	RepoID      int64
+	SenderID    int64
+	RecipientID int64
+}
+
+func (opts *PendingRepositoryTransferOptions) ToConds() builder.Cond {
+	cond := builder.NewCond()
+	if opts.RepoID != 0 {
+		cond = cond.And(builder.Eq{"repo_id": opts.RepoID})
+	}
+	if opts.SenderID != 0 {
+		cond = cond.And(builder.Eq{"doer_id": opts.SenderID})
+	}
+	if opts.RecipientID != 0 {
+		cond = cond.And(builder.Eq{"recipient_id": opts.RecipientID})
+	}
+	return cond
+}
+
+func GetPendingRepositoryTransfers(ctx context.Context, opts *PendingRepositoryTransferOptions) ([]*RepoTransfer, error) {
+	transfers := make([]*RepoTransfer, 0, 10)
+	return transfers, db.GetEngine(ctx).
+		Where(opts.ToConds()).
+		Find(&transfers)
+}
+
 // GetPendingRepositoryTransfer fetches the most recent and ongoing transfer
 // process for the repository
 func GetPendingRepositoryTransfer(ctx context.Context, repo *repo_model.Repository) (*RepoTransfer, error) {
-	transfer := new(RepoTransfer)
-
-	has, err := db.GetEngine(ctx).Where("repo_id = ? ", repo.ID).Get(transfer)
+	transfers, err := GetPendingRepositoryTransfers(ctx, &PendingRepositoryTransferOptions{RepoID: repo.ID})
 	if err != nil {
 		return nil, err
 	}

-	if !has {
+	if len(transfers) != 1 {
 		return nil, ErrNoPendingRepoTransfer{RepoID: repo.ID}
 	}

-	return transfer, nil
+	return transfers[0], nil
 }

 func DeleteRepositoryTransfer(ctx context.Context, repoID int64) error {
--- a/models/user/block.go
+++ b/models/user/block.go
@ -0,0 +1,123 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package user
+
+import (
+	"context"
+
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/modules/container"
+	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/util"
+
+	"xorm.io/builder"
+)
+
+var (
+	ErrBlockOrganization = util.NewInvalidArgumentErrorf("cannot block an organization")
+	ErrCanNotBlock       = util.NewInvalidArgumentErrorf("cannot block the user")
+	ErrCanNotUnblock     = util.NewInvalidArgumentErrorf("cannot unblock the user")
+	ErrBlockedUser       = util.NewPermissionDeniedErrorf("user is blocked")
+)
+
+type Blocking struct {
+	ID          int64 `xorm:"pk autoincr"`
+	BlockerID   int64 `xorm:"UNIQUE(block)"`
+	Blocker     *User `xorm:"-"`
+	BlockeeID   int64 `xorm:"UNIQUE(block)"`
+	Blockee     *User `xorm:"-"`
+	Note        string
+	CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+}
+
+func (*Blocking) TableName() string {
+	return "user_blocking"
+}
+
+func init() {
+	db.RegisterModel(new(Blocking))
+}
+
+func UpdateBlockingNote(ctx context.Context, id int64, note string) error {
+	_, err := db.GetEngine(ctx).ID(id).Cols("note").Update(&Blocking{Note: note})
+	return err
+}
+
+func IsUserBlockedBy(ctx context.Context, blockee *User, blockerIDs ...int64) bool {
+	if len(blockerIDs) == 0 {
+		return false
+	}
+
+	if blockee.IsAdmin {
+		return false
+	}
+
+	cond := builder.Eq{"user_blocking.blockee_id": blockee.ID}.
+		And(builder.In("user_blocking.blocker_id", blockerIDs))
+
+	has, _ := db.GetEngine(ctx).Where(cond).Exist(&Blocking{})
+	return has
+}
+
+type FindBlockingOptions struct {
+	db.ListOptions
+	BlockerID int64
+	BlockeeID int64
+}
+
+func (opts *FindBlockingOptions) ToConds() builder.Cond {
+	cond := builder.NewCond()
+	if opts.BlockerID != 0 {
+		cond = cond.And(builder.Eq{"user_blocking.blocker_id": opts.BlockerID})
+	}
+	if opts.BlockeeID != 0 {
+		cond = cond.And(builder.Eq{"user_blocking.blockee_id": opts.BlockeeID})
+	}
+	return cond
+}
+
+func FindBlockings(ctx context.Context, opts *FindBlockingOptions) ([]*Blocking, int64, error) {
+	return db.FindAndCount[Blocking](ctx, opts)
+}
+
+func GetBlocking(ctx context.Context, blockerID, blockeeID int64) (*Blocking, error) {
+	blocks, _, err := FindBlockings(ctx, &FindBlockingOptions{
+		BlockerID: blockerID,
+		BlockeeID: blockeeID,
+	})
+	if err != nil {
+		return nil, err
+	}
+	if len(blocks) == 0 {
+		return nil, nil
+	}
+	return blocks[0], nil
+}
+
+type BlockingList []*Blocking
+
+func (blocks BlockingList) LoadAttributes(ctx context.Context) error {
+	ids := make(container.Set[int64], len(blocks)*2)
+	for _, b := range blocks {
+		ids.Add(b.BlockerID)
+		ids.Add(b.BlockeeID)
+	}
+
+	userList, err := GetUsersByIDs(ctx, ids.Values())
+	if err != nil {
+		return err
+	}
+
+	userMap := make(map[int64]*User, len(userList))
+	for _, u := range userList {
+		userMap[u.ID] = u
+	}
+
+	for _, b := range blocks {
+		b.Blocker = userMap[b.BlockerID]
+		b.Blockee = userMap[b.BlockeeID]
+	}
+
+	return nil
+}
--- a/models/user/follow.go
+++ b/models/user/follow.go
@ -29,26 +29,30 @@ func IsFollowing(ctx context.Context, userID, followID int64) bool {
 }

 // FollowUser marks someone be another's follower.
-func FollowUser(ctx context.Context, userID, followID int64) (err error) {
-	if userID == followID || IsFollowing(ctx, userID, followID) {
+func FollowUser(ctx context.Context, user, follow *User) (err error) {
+	if user.ID == follow.ID || IsFollowing(ctx, user.ID, follow.ID) {
 		return nil
 	}

+	if IsUserBlockedBy(ctx, user, follow.ID) || IsUserBlockedBy(ctx, follow, user.ID) {
+		return ErrBlockedUser
+	}
+
 	ctx, committer, err := db.TxContext(ctx)
 	if err != nil {
 		return err
 	}
 	defer committer.Close()

-	if err = db.Insert(ctx, &Follow{UserID: userID, FollowID: followID}); err != nil {
+	if err = db.Insert(ctx, &Follow{UserID: user.ID, FollowID: follow.ID}); err != nil {
 		return err
 	}

-	if _, err = db.Exec(ctx, "UPDATE `user` SET num_followers = num_followers + 1 WHERE id = ?", followID); err != nil {
+	if _, err = db.Exec(ctx, "UPDATE `user` SET num_followers = num_followers + 1 WHERE id = ?", follow.ID); err != nil {
 		return err
 	}

-	if _, err = db.Exec(ctx, "UPDATE `user` SET num_following = num_following + 1 WHERE id = ?", userID); err != nil {
+	if _, err = db.Exec(ctx, "UPDATE `user` SET num_following = num_following + 1 WHERE id = ?", user.ID); err != nil {
 		return err
 	}
 	return committer.Commit()
--- a/models/user/user.go
+++ b/models/user/user.go
@ -1167,7 +1167,7 @@ func IsUserVisibleToViewer(ctx context.Context, u, viewer *User) bool {
 			return false
 		}

-		// If they follow - they see each over
+		// If they follow - they see each other
 		follower := IsFollowing(ctx, u.ID, viewer.ID)
 		if follower {
 			return true
--- a/models/user/user_test.go
+++ b/models/user/user_test.go
@ -399,14 +399,19 @@ func TestGetUserByOpenID(t *testing.T) {
 func TestFollowUser(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())

-	testSuccess := func(followerID, followedID int64) {
-		assert.NoError(t, user_model.FollowUser(db.DefaultContext, followerID, followedID))
-		unittest.AssertExistsAndLoadBean(t, &user_model.Follow{UserID: followerID, FollowID: followedID})
+	testSuccess := func(follower, followed *user_model.User) {
+		assert.NoError(t, user_model.FollowUser(db.DefaultContext, follower, followed))
+		unittest.AssertExistsAndLoadBean(t, &user_model.Follow{UserID: follower.ID, FollowID: followed.ID})
 	}
-	testSuccess(4, 2)
-	testSuccess(5, 2)

-	assert.NoError(t, user_model.FollowUser(db.DefaultContext, 2, 2))
+	user2 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
+	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})
+	user5 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 5})
+
+	testSuccess(user4, user2)
+	testSuccess(user5, user2)
+
+	assert.NoError(t, user_model.FollowUser(db.DefaultContext, user2, user2))

 	unittest.CheckConsistencyFor(t, &user_model.User{})
 }