fix label count

Author: lunny

go.mod

@@ -48,7 +48,7 @@ require (
 	github.com/go-redis/redis v6.15.2+incompatible
 	github.com/go-sql-driver/mysql v1.4.1
 	github.com/go-swagger/go-swagger v0.20.1
-	github.com/go-xorm/xorm v0.7.7-0.20190822154023-17592d96b35b
+	github.com/go-xorm/xorm v0.7.8-0.20190923153426-6d1191376545
 	github.com/gobwas/glob v0.2.3
 	github.com/gogits/chardet v0.0.0-20150115103509-2404f7772561
 	github.com/gogs/cron v0.0.0-20171120032916-9f6c956d3e14
@@ -124,6 +124,6 @@ require (
 	gopkg.in/testfixtures.v2 v2.5.0
 	mvdan.cc/xurls/v2 v2.0.0
 	strk.kbt.io/projects/go/libravatar v0.0.0-20160628055650-5eed7bff870a
-	xorm.io/builder v0.3.5
+	xorm.io/builder v0.3.6
 	xorm.io/core v0.7.0
 )

go.sum

@@ -250,10 +250,13 @@ github.com/go-swagger/scan-repo-boundary v0.0.0-20180623220736-973b3573c013/go.m
 github.com/go-xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a h1:9wScpmSP5A3Bk8V3XHWUcJmYTh+ZnlHVyc+A4oZYS3Y=
 github.com/go-xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a/go.mod h1:56xuuqnHyryaerycW3BfssRdxQstACi0Epw/yC5E2xM=
 github.com/go-xorm/xorm v0.7.6/go.mod h1:nqz2TAsuOHWH2yk4FYWtacCGgdbrcdZ5mF1XadqEHls=
-github.com/go-xorm/xorm v0.7.7-0.20190822154023-17592d96b35b h1:Y0hWUheXDHpIs7BWtJcykO4d1VOsVDKg1PsP5YJwxxM=
-github.com/go-xorm/xorm v0.7.7-0.20190822154023-17592d96b35b/go.mod h1:nqz2TAsuOHWH2yk4FYWtacCGgdbrcdZ5mF1XadqEHls=
+github.com/go-xorm/xorm v0.7.7-0.20190906141504-57a7e4421e87 h1:vWBG8ItvL5knPwn2Y9WHHreK/YOWfIvhOvVZL7rYwtc=
+github.com/go-xorm/xorm v0.7.7-0.20190906141504-57a7e4421e87/go.mod h1:naX9gqm6RkYnlRkV+dY8Ysjiknn2DofS930iRgBLaCE=
+github.com/go-xorm/xorm v0.7.8-0.20190923153426-6d1191376545 h1:b3qn2nZKxoG2hsi6cJpSV0ylNJSQfB+nQ9vYL9uxYBU=
+github.com/go-xorm/xorm v0.7.8-0.20190923153426-6d1191376545/go.mod h1:RSsmsVARCy4sayuKWFPaVNQMPYGLNRIK71YIVvgImL0=
 github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y=
 github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
+github.com/gofrs/uuid v3.2.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/gogits/chardet v0.0.0-20150115103509-2404f7772561 h1:deE7ritpK04PgtpyVOS2TYcQEld9qLCD5b5EbVNOuLA=
 github.com/gogits/chardet v0.0.0-20150115103509-2404f7772561/go.mod h1:YgYOrVn3Nj9Tq0EvjmFbphRytDj7JNRoWSStJZWDJTQ=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
@@ -340,6 +343,7 @@ github.com/jackc/pgx v3.3.0+incompatible h1:Wa90/+qsITBAPkAZjiByeIGHFcj3Ztu+Vzrr
 github.com/jackc/pgx v3.3.0+incompatible/go.mod h1:0ZGrqGqkRlliWnWB4zKnWtjbSWbGkVEFm4TeybAXq+I=
 github.com/jackc/pgx v3.5.0+incompatible h1:BRJ4G3UPtvml5R1ey0biqqGuYUGayMYekm3woO75orY=
 github.com/jackc/pgx v3.5.0+incompatible/go.mod h1:0ZGrqGqkRlliWnWB4zKnWtjbSWbGkVEFm4TeybAXq+I=
+github.com/jackc/pgx v3.6.0+incompatible/go.mod h1:0ZGrqGqkRlliWnWB4zKnWtjbSWbGkVEFm4TeybAXq+I=
 github.com/jarcoal/httpmock v0.0.0-20180424175123-9c70cfe4a1da/go.mod h1:ks+b9deReOc7jgqp+e7LuFiCBH6Rm5hL32cLcEAArb4=
 github.com/jaytaylor/html2text v0.0.0-20160923191438-8fb95d837f7d h1:ig/iUfDDg06RVW8OMby+GrmW6K2nPO3AFHlEIdvJSd4=
 github.com/jaytaylor/html2text v0.0.0-20160923191438-8fb95d837f7d/go.mod h1:CVKlgaMiht+LXvHG173ujK6JUhZXKb2u/BQtjPDIvyk=
@@ -818,5 +822,9 @@ strk.kbt.io/projects/go/libravatar v0.0.0-20160628055650-5eed7bff870a h1:8q33Shx
 strk.kbt.io/projects/go/libravatar v0.0.0-20160628055650-5eed7bff870a/go.mod h1:FJGmPh3vz9jSos1L/F91iAgnC/aejc0wIIrF2ZwJxdY=
 xorm.io/builder v0.3.5 h1:EilU39fvWDxjb1cDaELpYhsF+zziRBhew8xk4pngO+A=
 xorm.io/builder v0.3.5/go.mod h1:ZFbByS/KxZI1FKRjL05PyJ4YrK2bcxlUaAxdum5aTR8=
+xorm.io/builder v0.3.6-0.20190906062455-b937eb46ecfb h1:2idZcp79ldX5qLeQ6WKCdS7aEFNOMvQc9wrtt5hSRwM=
+xorm.io/builder v0.3.6-0.20190906062455-b937eb46ecfb/go.mod h1:LEFAPISnRzG+zxaxj2vPicRwz67BdhFreKg8yv8/TgU=
+xorm.io/builder v0.3.6 h1:ha28mQ2M+TFx96Hxo+iq6tQgnkC9IZkM6D8w9sKHHF8=
+xorm.io/builder v0.3.6/go.mod h1:LEFAPISnRzG+zxaxj2vPicRwz67BdhFreKg8yv8/TgU=
 xorm.io/core v0.7.0 h1:hKxuOKWZNeiFQsSuGet/KV8HZ788hclvAl+7azx3tkM=
 xorm.io/core v0.7.0/go.mod h1:TuOJjIVa7e3w/rN8tDcAvuLBMtwzdHPbyOzE6Gk1EUI=

models/issue.go

@@ -760,11 +760,6 @@ func (issue *Issue) changeStatus(e *xorm.Session, doer *User, isClosed bool) (er
 		return err
 	}
 	for idx := range issue.Labels {
-		if issue.IsClosed {
-			issue.Labels[idx].NumClosedIssues++
-		} else {
-			issue.Labels[idx].NumClosedIssues--
-		}
 		if err = updateLabel(e, issue.Labels[idx]); err != nil {
 			return err
 		}

models/issue_label.go

@@ -12,6 +12,7 @@ import (
 	"strings"
 
 	api "code.gitea.io/gitea/modules/structs"
+	"xorm.io/builder"
 
 	"github.com/go-xorm/xorm"
 )
@@ -294,7 +295,20 @@ func GetLabelsByIssueID(issueID int64) ([]*Label, error) {
 }
 
 func updateLabel(e Engine, l *Label) error {
-	_, err := e.ID(l.ID).AllCols().Update(l)
+	_, err := e.ID(l.ID).
+		SetExpr("num_issues",
+			builder.Select("count(*)").From("issue_label").
+				Where(builder.Eq{"label_id": l.ID}),
+		).
+		SetExpr("num_closed_issues",
+			builder.Select("count(*)").From("issue_label").
+				InnerJoin("issue", "issue_label.issue_id = issue.id").
+				Where(builder.Eq{
+					"issue_label.label_id": l.ID,
+					"issue.is_closed":      true,
+				}),
+		).
+		AllCols().Update(l)
 	return err
 }
 
@@ -375,10 +389,6 @@ func newIssueLabel(e *xorm.Session, issue *Issue, label *Label, doer *User) (err
 		return err
 	}
 
-	label.NumIssues++
-	if issue.IsClosed {
-		label.NumClosedIssues++
-	}
 	return updateLabel(e, label)
 }
 
@@ -448,10 +458,6 @@ func deleteIssueLabel(e *xorm.Session, issue *Issue, label *Label, doer *User) (
 		return err
 	}
 
-	label.NumIssues--
-	if issue.IsClosed {
-		label.NumClosedIssues--
-	}
 	return updateLabel(e, label)
 }