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/statistic.go

@@ -0,0 +1,115 @@
+// Copyright 2021 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 (
+	asymkey_model "code.gitea.io/gitea/models/asymkey"
+	"code.gitea.io/gitea/models/auth"
+	"code.gitea.io/gitea/models/db"
+	issues_model "code.gitea.io/gitea/models/issues"
+	"code.gitea.io/gitea/models/organization"
+	access_model "code.gitea.io/gitea/models/perm/access"
+	project_model "code.gitea.io/gitea/models/project"
+	repo_model "code.gitea.io/gitea/models/repo"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/models/webhook"
+	"code.gitea.io/gitea/modules/setting"
+)
+
+// Statistic contains the database statistics
+type Statistic struct {
+	Counter struct {
+		User, Org, PublicKey,
+		Repo, Watch, Star, Action, Access,
+		Issue, IssueClosed, IssueOpen,
+		Comment, Oauth, Follow,
+		Mirror, Release, AuthSource, Webhook,
+		Milestone, Label, HookTask,
+		Team, UpdateTask, Project,
+		ProjectBoard, Attachment int64
+		IssueByLabel      []IssueByLabelCount
+		IssueByRepository []IssueByRepositoryCount
+	}
+}
+
+// IssueByLabelCount contains the number of issue group by label
+type IssueByLabelCount struct {
+	Count int64
+	Label string
+}
+
+// IssueByRepositoryCount contains the number of issue group by repository
+type IssueByRepositoryCount struct {
+	Count      int64
+	OwnerName  string
+	Repository string
+}
+
+// GetStatistic returns the database statistics
+func GetStatistic() (stats Statistic) {
+	e := db.GetEngine(db.DefaultContext)
+	stats.Counter.User = user_model.CountUsers(nil)
+	stats.Counter.Org, _ = organization.CountOrgs(organization.FindOrgOptions{IncludePrivate: true})
+	stats.Counter.PublicKey, _ = e.Count(new(asymkey_model.PublicKey))
+	stats.Counter.Repo, _ = repo_model.CountRepositories(db.DefaultContext, repo_model.CountRepositoryOptions{})
+	stats.Counter.Watch, _ = e.Count(new(repo_model.Watch))
+	stats.Counter.Star, _ = e.Count(new(repo_model.Star))
+	stats.Counter.Action, _ = db.EstimateCount(db.DefaultContext, new(Action))
+	stats.Counter.Access, _ = e.Count(new(access_model.Access))
+
+	type IssueCount struct {
+		Count    int64
+		IsClosed bool
+	}
+
+	if setting.Metrics.EnabledIssueByLabel {
+		stats.Counter.IssueByLabel = []IssueByLabelCount{}
+
+		_ = e.Select("COUNT(*) AS count, l.name AS label").
+			Join("LEFT", "label l", "l.id=il.label_id").
+			Table("issue_label il").
+			GroupBy("l.name").
+			Find(&stats.Counter.IssueByLabel)
+	}
+
+	if setting.Metrics.EnabledIssueByRepository {
+		stats.Counter.IssueByRepository = []IssueByRepositoryCount{}
+
+		_ = e.Select("COUNT(*) AS count, r.owner_name, r.name AS repository").
+			Join("LEFT", "repository r", "r.id=i.repo_id").
+			Table("issue i").
+			GroupBy("r.owner_name, r.name").
+			Find(&stats.Counter.IssueByRepository)
+	}
+
+	issueCounts := []IssueCount{}
+
+	_ = e.Select("COUNT(*) AS count, is_closed").Table("issue").GroupBy("is_closed").Find(&issueCounts)
+	for _, c := range issueCounts {
+		if c.IsClosed {
+			stats.Counter.IssueClosed = c.Count
+		} else {
+			stats.Counter.IssueOpen = c.Count
+		}
+	}
+
+	stats.Counter.Issue = stats.Counter.IssueClosed + stats.Counter.IssueOpen
+
+	stats.Counter.Comment, _ = e.Count(new(issues_model.Comment))
+	stats.Counter.Oauth = 0
+	stats.Counter.Follow, _ = e.Count(new(user_model.Follow))
+	stats.Counter.Mirror, _ = e.Count(new(repo_model.Mirror))
+	stats.Counter.Release, _ = e.Count(new(repo_model.Release))
+	stats.Counter.AuthSource = auth.CountSources()
+	stats.Counter.Webhook, _ = e.Count(new(webhook.Webhook))
+	stats.Counter.Milestone, _ = e.Count(new(issues_model.Milestone))
+	stats.Counter.Label, _ = e.Count(new(issues_model.Label))
+	stats.Counter.HookTask, _ = e.Count(new(webhook.HookTask))
+	stats.Counter.Team, _ = e.Count(new(organization.Team))
+	stats.Counter.Attachment, _ = e.Count(new(repo_model.Attachment))
+	stats.Counter.Project, _ = e.Count(new(project_model.Project))
+	stats.Counter.ProjectBoard, _ = e.Count(new(project_model.Board))
+	return stats
+}