Move some files into models' sub packages (#20262)

* Move some files into models' sub packages

* Move functions

* merge main branch

* Fix check

* fix check

* Fix some tests

* Fix lint

* Fix lint

* Revert lint changes

* Fix error comments

* Fix lint

Co-authored-by: 6543 <6543@obermui.de>

models/activities/action_list.go

@@ -0,0 +1,116 @@
+// Copyright 2018 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package activities
+
+import (
+	"context"
+	"fmt"
+
+	"code.gitea.io/gitea/models/db"
+	repo_model "code.gitea.io/gitea/models/repo"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/container"
+)
+
+// ActionList defines a list of actions
+type ActionList []*Action
+
+func (actions ActionList) getUserIDs() []int64 {
+	userIDs := make(map[int64]struct{}, len(actions))
+	for _, action := range actions {
+		if _, ok := userIDs[action.ActUserID]; !ok {
+			userIDs[action.ActUserID] = struct{}{}
+		}
+	}
+	return container.KeysInt64(userIDs)
+}
+
+func (actions ActionList) loadUsers(ctx context.Context) (map[int64]*user_model.User, error) {
+	if len(actions) == 0 {
+		return nil, nil
+	}
+
+	userIDs := actions.getUserIDs()
+	userMaps := make(map[int64]*user_model.User, len(userIDs))
+	err := db.GetEngine(ctx).
+		In("id", userIDs).
+		Find(&userMaps)
+	if err != nil {
+		return nil, fmt.Errorf("find user: %v", err)
+	}
+
+	for _, action := range actions {
+		action.ActUser = userMaps[action.ActUserID]
+	}
+	return userMaps, nil
+}
+
+func (actions ActionList) getRepoIDs() []int64 {
+	repoIDs := make(map[int64]struct{}, len(actions))
+	for _, action := range actions {
+		if _, ok := repoIDs[action.RepoID]; !ok {
+			repoIDs[action.RepoID] = struct{}{}
+		}
+	}
+	return container.KeysInt64(repoIDs)
+}
+
+func (actions ActionList) loadRepositories(ctx context.Context) error {
+	if len(actions) == 0 {
+		return nil
+	}
+
+	repoIDs := actions.getRepoIDs()
+	repoMaps := make(map[int64]*repo_model.Repository, len(repoIDs))
+	err := db.GetEngine(ctx).In("id", repoIDs).Find(&repoMaps)
+	if err != nil {
+		return fmt.Errorf("find repository: %v", err)
+	}
+
+	for _, action := range actions {
+		action.Repo = repoMaps[action.RepoID]
+	}
+	return nil
+}
+
+func (actions ActionList) loadRepoOwner(ctx context.Context, userMap map[int64]*user_model.User) (err error) {
+	if userMap == nil {
+		userMap = make(map[int64]*user_model.User)
+	}
+
+	for _, action := range actions {
+		if action.Repo == nil {
+			continue
+		}
+		repoOwner, ok := userMap[action.Repo.OwnerID]
+		if !ok {
+			repoOwner, err = user_model.GetUserByIDCtx(ctx, action.Repo.OwnerID)
+			if err != nil {
+				if user_model.IsErrUserNotExist(err) {
+					continue
+				}
+				return err
+			}
+			userMap[repoOwner.ID] = repoOwner
+		}
+		action.Repo.Owner = repoOwner
+	}
+
+	return nil
+}
+
+// loadAttributes loads all attributes
+func (actions ActionList) loadAttributes(ctx context.Context) error {
+	userMap, err := actions.loadUsers(ctx)
+	if err != nil {
+		return err
+	}
+
+	if err := actions.loadRepositories(ctx); err != nil {
+		return err
+	}
+
+	return actions.loadRepoOwner(ctx, userMap)
+}