Merge pull request #2509 from sergeylanzman/add-gosimple

add go simple support

.gosimpleignore

+github.com/astaxie/beego/*/*:S1012
+github.com/astaxie/beego/*:S1012
+github.com/astaxie/beego/*/*:S1007
+github.com/astaxie/beego/*:S1007
\ No newline at end of file

.travis.yml

@@ -33,6 +33,7 @@ install:
   - go get github.com/ssdb/gossdb/ssdb
   - go get github.com/cloudflare/golz4
   - go get github.com/gogo/protobuf/proto
+  - go get -u honnef.co/go/tools/cmd/gosimple
   - go get -u github.com/mdempsky/unconvert
 before_script:
   - psql --version
@@ -48,6 +49,7 @@ after_script:
   - rm -rf ./res/var/*
 script:
   - go test -v ./...
+  - gosimple -ignore "$(cat .gosimpleignore)" $(go list ./... | grep -v /vendor/)
   - unconvert $(go list ./... | grep -v /vendor/)
 addons:
   postgresql: "9.4"

admin.go

@@ -157,8 +157,8 @@ func listConf(rw http.ResponseWriter, r *http.Request) {
 					resultList := new([][]string)
 					for _, f := range bf {
 						var result = []string{
-							fmt.Sprintf("%s", f.pattern),
-							fmt.Sprintf("%s", utils.GetFuncName(f.filterFunc)),
+							f.pattern,
+							utils.GetFuncName(f.filterFunc),
 						}
 						*resultList = append(*resultList, result)
 					}
@@ -213,7 +213,7 @@ func printTree(resultList *[][]string, t *Tree) {
 				var result = []string{
 					v.pattern,
 					fmt.Sprintf("%s", v.methods),
-					fmt.Sprintf("%s", v.controllerType),
+					v.controllerType.String(),
 				}
 				*resultList = append(*resultList, result)
 			} else if v.routerType == routerTypeRESTFul {
@@ -287,16 +287,16 @@ func healthcheck(rw http.ResponseWriter, req *http.Request) {
 	for name, h := range toolbox.AdminCheckList {
 		if err := h.Check(); err != nil {
 			result = []string{
-				fmt.Sprintf("error"),
-				fmt.Sprintf("%s", name),
-				fmt.Sprintf("%s", err.Error()),
+				"error",
+				name,
+				err.Error(),
 			}
 
 		} else {
 			result = []string{
-				fmt.Sprintf("success"),
-				fmt.Sprintf("%s", name),
-				fmt.Sprintf("OK"),
+				"success",
+				name,
+				"OK",
 			}
 
 		}
@@ -341,8 +341,8 @@ func taskStatus(rw http.ResponseWriter, req *http.Request) {
 	for tname, tk := range toolbox.AdminTaskList {
 		result = []string{
 			tname,
-			fmt.Sprintf("%s", tk.GetSpec()),
-			fmt.Sprintf("%s", tk.GetStatus()),
+			tk.GetSpec(),
+			tk.GetStatus(),
 			tk.GetPrev().String(),
 		}
 		*resultList = append(*resultList, result)

cache/conv_test.go

@@ -118,14 +118,14 @@ func TestGetFloat64(t *testing.T) {
 
 func TestGetBool(t *testing.T) {
 	var t1 = true
-	if true != GetBool(t1) {
+	if !GetBool(t1) {
 		t.Error("get bool from bool error")
 	}
 	var t2 = "true"
-	if true != GetBool(t2) {
+	if !GetBool(t2) {
 		t.Error("get bool from string error")
 	}
-	if false != GetBool(nil) {
+	if GetBool(nil) {
 		t.Error("get bool from nil error")
 	}
 }

cache/memcache/memcache.go

@@ -146,10 +146,7 @@ func (rc *Cache) IsExist(key string) bool {
 		}
 	}
 	_, err := rc.conn.Get(key)
-	if err != nil {
-		return false
-	}
-	return true
+	return !(err != nil)
 }
 
 // ClearAll clear all cached in memcache.

cache/redis/redis.go

@@ -137,7 +137,7 @@ func (rc *Cache) IsExist(key string) bool {
 	if err != nil {
 		return false
 	}
-	if v == false {
+	if !v {
 		if _, err = rc.do("HDEL", rc.key, key); err != nil {
 			return false
 		}

cache/ssdb/ssdb.go

@@ -71,10 +71,7 @@ func (rc *Cache) DelMulti(keys []string) error {
 		}
 	}
 	_, err := rc.conn.Do("multi_del", keys)
-	if err != nil {
 	return err
-	}
-	return nil
 }
 
 // Put put value to memcache. only support string.
@@ -113,10 +110,7 @@ func (rc *Cache) Delete(key string) error {
 		}
 	}
 	_, err := rc.conn.Del(key)
-	if err != nil {
 	return err
-	}
-	return nil
 }
 
 // Incr increase counter.
@@ -229,10 +223,7 @@ func (rc *Cache) connectInit() error {
 	}
 	var err error
 	rc.conn, err = ssdb.Connect(host, port)
-	if err != nil {
 	return err
-	}
-	return nil
 }
 
 func init() {

config/ini.go

@@ -397,11 +397,8 @@ func (c *IniConfigContainer) SaveConfigFile(filename string) (err error) {
 			}
 		}
 	}
-
-	if _, err = buf.WriteTo(f); err != nil {
+	_, err = buf.WriteTo(f)
 	return err
-	}
-	return nil
 }
 
 // Set writes a new value for key.

config/ini_test.go

@@ -181,7 +181,7 @@ name=mysql
 		cfgData := string(data)
 		datas := strings.Split(saveResult, "\n")
 		for _, line := range datas {
-			if strings.Contains(cfgData, line+"\n") == false {
+			if !strings.Contains(cfgData, line+"\n") {
 				t.Fatalf("different after save ini config file. need contains %q", line)
 			}
 		}

controller.go

@@ -223,7 +223,7 @@ func (c *Controller) RenderBytes() ([]byte, error) {
 		}
 
 		buf.Reset()
-		ExecuteViewPathTemplate(&buf, c.Layout, c.viewPath() ,c.Data)
+		ExecuteViewPathTemplate(&buf, c.Layout, c.viewPath(), c.Data)
 	}
 	return buf.Bytes(), err
 }
@@ -249,7 +249,7 @@ func (c *Controller) renderTemplate() (bytes.Buffer, error) {
 				}
 			}
 		}
-		BuildTemplate(c.viewPath() , buildFiles...)
+		BuildTemplate(c.viewPath(), buildFiles...)
 	}
 	return buf, ExecuteViewPathTemplate(&buf, c.TplName, c.viewPath(), c.Data)
 }
@@ -314,7 +314,7 @@ func (c *Controller) ServeJSON(encoding ...bool) {
 	if BConfig.RunMode == PROD {
 		hasIndent = false
 	}
-	if len(encoding) > 0 && encoding[0] == true {
+	if len(encoding) > 0 && encoding[0] {
 		hasEncoding = true
 	}
 	c.Ctx.Output.JSON(c.Data["json"], hasIndent, hasEncoding)

flash_test.go

@@ -48,7 +48,7 @@ func TestFlashHeader(t *testing.T) {
 	// match for the expected header
 	res := strings.Contains(sc, "BEEGO_FLASH=%00notice%23BEEGOFLASH%23TestFlashString%00")
 	// validate the assertion
-	if res != true {
+	if !res {
 		t.Errorf("TestFlashHeader() unable to validate flash message")
 	}
 }

grace/listener.go

@@ -21,7 +21,7 @@ func newGraceListener(l net.Listener, srv *Server) (el *graceListener) {
 		server:   srv,
 	}
 	go func() {
-		_ = <-el.stop
+		<-el.stop
 		el.stopped = true
 		el.stop <- el.Listener.Close()
 	}()

httplib/httplib.go

@@ -335,7 +335,7 @@ func (b *BeegoHTTPRequest) JSONBody(obj interface{}) (*BeegoHTTPRequest, error)
 func (b *BeegoHTTPRequest) buildURL(paramBody string) {
 	// build GET url with query string
 	if b.req.Method == "GET" && len(paramBody) > 0 {
-		if strings.Index(b.url, "?") != -1 {
+		if strings.Contains(b.url, "?") {
 			b.url += "&" + paramBody
 		} else {
 			b.url = b.url + "?" + paramBody

logs/file.go

@@ -193,8 +193,7 @@ func (w *fileLogWriter) dailyRotate(openTime time.Time) {
 	y, m, d := openTime.Add(24 * time.Hour).Date()
 	nextDay := time.Date(y, m, d, 0, 0, 0, 0, openTime.Location())
 	tm := time.NewTimer(time.Duration(nextDay.UnixNano() - openTime.UnixNano() + 100))
-	select {
-	case <-tm.C:
+	<-tm.C
 	w.Lock()
 	if w.needRotate(0, time.Now().Day()) {
 		if err := w.doRotate(time.Now()); err != nil {
@@ -202,7 +201,6 @@ func (w *fileLogWriter) dailyRotate(openTime time.Time) {
 		}
 	}
 	w.Unlock()
-	}
 }
 
 func (w *fileLogWriter) lines() (int, error) {

logs/jianliao.go

@@ -25,11 +25,7 @@ func newJLWriter() Logger {
 
 // Init JLWriter with json config string
 func (s *JLWriter) Init(jsonconfig string) error {
-	err := json.Unmarshal([]byte(jsonconfig), s)
-	if err != nil {
-		return err
-	}
-	return nil
+	return json.Unmarshal([]byte(jsonconfig), s)
 }
 
 // WriteMsg write message in smtp writer.

logs/log.go

@@ -275,7 +275,7 @@ func (bl *BeeLogger) writeMsg(logLevel int, msg string, v ...interface{}) error
 			line = 0
 		}
 		_, filename := path.Split(file)
-		msg = "[" + filename + ":" + strconv.FormatInt(int64(line), 10) + "] " + msg
+		msg = "[" + filename + ":" + strconv.Itoa(line) + "] " + msg
 	}
 
 	//set level info in front of filename info
@@ -561,11 +561,7 @@ func SetLogFuncCallDepth(d int) {
 
 // SetLogger sets a new logger.
 func SetLogger(adapter string, config ...string) error {
-	err := beeLogger.SetLogger(adapter, config...)
-	if err != nil {
-		return err
-	}
-	return nil
+	return beeLogger.SetLogger(adapter, config...)
 }
 
 // Emergency logs a message at emergency level.

logs/slack.go

@@ -21,11 +21,7 @@ func newSLACKWriter() Logger {
 
 // Init SLACKWriter with json config string
 func (s *SLACKWriter) Init(jsonconfig string) error {
-	err := json.Unmarshal([]byte(jsonconfig), s)
-	if err != nil {
-		return err
-	}
-	return nil
+	return json.Unmarshal([]byte(jsonconfig), s)
 }
 
 // WriteMsg write message in smtp writer.

logs/smtp.go

@@ -52,11 +52,7 @@ func newSMTPWriter() Logger {
 //		"level":LevelError
 //	}
 func (s *SMTPWriter) Init(jsonconfig string) error {
-	err := json.Unmarshal([]byte(jsonconfig), s)
-	if err != nil {
-		return err
-	}
-	return nil
+	return json.Unmarshal([]byte(jsonconfig), s)
 }
 
 func (s *SMTPWriter) getSMTPAuth(host string) smtp.Auth {
@@ -116,12 +112,7 @@ func (s *SMTPWriter) sendMail(hostAddressWithPort string, auth smtp.Auth, fromAd
 		return err
 	}
 
-	err = client.Quit()
-	if err != nil {
-		return err
-	}
-
-	return nil
+	return client.Quit()
 }
 
 // WriteMsg write message in smtp writer.

namespace_test.go

@@ -139,10 +139,7 @@ func TestNamespaceCond(t *testing.T) {
 
 	ns := NewNamespace("/v2")
 	ns.Cond(func(ctx *context.Context) bool {
-		if ctx.Input.Domain() == "beego.me" {
-			return true
-		}
-		return false
+		return ctx.Input.Domain() == "beego.me"
 	}).
 		AutoRouter(&TestController{})
 	AddNamespace(ns)

orm/cmd.go

@@ -150,7 +150,7 @@ func (d *commandSyncDb) Run() error {
 			}
 
 			for _, fi := range mi.fields.fieldsDB {
-				if _, ok := columns[fi.column]; ok == false {
+				if _, ok := columns[fi.column]; !ok {
 					fields = append(fields, fi)
 				}
 			}
@@ -175,7 +175,7 @@ func (d *commandSyncDb) Run() error {
 			}
 
 			for _, idx := range indexes[mi.table] {
-				if d.al.DbBaser.IndexExists(db, idx.Table, idx.Name) == false {
+				if !d.al.DbBaser.IndexExists(db, idx.Table, idx.Name) {
 					if !d.noInfo {
 						fmt.Printf("create index `%s` for table `%s`\n", idx.Name, idx.Table)
 					}

orm/cmd_utils.go

@@ -89,7 +89,7 @@ checkColumn:
 		col = T["float64"]
 	case TypeDecimalField:
 		s := T["float64-decimal"]
-		if strings.Index(s, "%d") == -1 {
+		if !strings.Contains(s, "%d") {
 			col = s
 		} else {
 			col = fmt.Sprintf(s, fi.digits, fi.decimals)
@@ -120,7 +120,7 @@ func getColumnAddQuery(al *alias, fi *fieldInfo) string {
 	Q := al.DbBaser.TableQuote()
 	typ := getColumnTyp(al, fi)
 
-	if fi.null == false {
+	if !fi.null {
 		typ += " " + "NOT NULL"
 	}
 
@@ -172,7 +172,7 @@ func getDbCreateSQL(al *alias) (sqls []string, tableIndexes map[string][]dbIndex
 			} else {
 				column += col
 
-				if fi.null == false {
+				if !fi.null {
 					column += " " + "NOT NULL"
 				}
 
@@ -192,7 +192,7 @@ func getDbCreateSQL(al *alias) (sqls []string, tableIndexes map[string][]dbIndex
 				}
 			}
 
-			if strings.Index(column, "%COL%") != -1 {
+			if strings.Contains(column, "%COL%") {
 				column = strings.Replace(column, "%COL%", fi.column, -1)
 			}
 

orm/db.go

@@ -87,7 +87,7 @@ func (d *dbBase) collectValues(mi *modelInfo, ind reflect.Value, cols []string,
 		} else {
 			panic(fmt.Errorf("wrong db field/column name `%s` for model `%s`", column, mi.fullName))
 		}
-		if fi.dbcol == false || fi.auto && skipAuto {
+		if !fi.dbcol || fi.auto && skipAuto {
 			continue
 		}
 		value, err := d.collectFieldValue(mi, fi, ind, insert, tz)
@@ -224,7 +224,7 @@ func (d *dbBase) collectFieldValue(mi *modelInfo, fi *fieldInfo, ind reflect.Val
 							value = nil
 						}
 					}
-					if fi.null == false && value == nil {
+					if !fi.null && value == nil {
 						return nil, fmt.Errorf("field `%s` cannot be NULL", fi.fullName)
 					}
 				}
@@ -271,7 +271,7 @@ func (d *dbBase) PrepareInsert(q dbQuerier, mi *modelInfo) (stmtQuerier, string,
 	dbcols := make([]string, 0, len(mi.fields.dbcols))
 	marks := make([]string, 0, len(mi.fields.dbcols))
 	for _, fi := range mi.fields.fieldsDB {
-		if fi.auto == false {
+		if !fi.auto {
 			dbcols = append(dbcols, fi.column)
 			marks = append(marks, "?")
 		}
@@ -326,7 +326,7 @@ func (d *dbBase) Read(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Lo
 	} else {
 		// default use pk value as where condtion.
 		pkColumn, pkValue, ok := getExistPk(mi, ind)
-		if ok == false {
+		if !ok {
 			return ErrMissPK
 		}
 		whereCols = []string{pkColumn}
@@ -601,7 +601,7 @@ func (d *dbBase) InsertOrUpdate(q dbQuerier, mi *modelInfo, ind reflect.Value, a
 // execute update sql dbQuerier with given struct reflect.Value.
 func (d *dbBase) Update(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location, cols []string) (int64, error) {
 	pkName, pkValue, ok := getExistPk(mi, ind)
-	if ok == false {
+	if !ok {
 		return 0, ErrMissPK
 	}
 
@@ -654,7 +654,7 @@ func (d *dbBase) Delete(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.
 	} else {
 		// default use pk value as where condtion.
 		pkColumn, pkValue, ok := getExistPk(mi, ind)
-		if ok == false {
+		if !ok {
 			return 0, ErrMissPK
 		}
 		whereCols = []string{pkColumn}
@@ -699,7 +699,7 @@ func (d *dbBase) UpdateBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
 	columns := make([]string, 0, len(params))
 	values := make([]interface{}, 0, len(params))
 	for col, val := range params {
-		if fi, ok := mi.fields.GetByAny(col); ok == false || fi.dbcol == false {
+		if fi, ok := mi.fields.GetByAny(col); !ok || !fi.dbcol {
 			panic(fmt.Errorf("wrong field/column name `%s`", col))
 		} else {
 			columns = append(columns, fi.column)
@@ -929,7 +929,7 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
 		if hasRel {
 			for _, fi := range mi.fields.fieldsDB {
 				if fi.fieldType&IsRelField > 0 {
-					if maps[fi.column] == false {
+					if !maps[fi.column] {
 						tCols = append(tCols, fi.column)
 					}
 				}
@@ -987,7 +987,7 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
 
 	var cnt int64
 	for rs.Next() {
-		if one && cnt == 0 || one == false {
+		if one && cnt == 0 || !one {
 			if err := rs.Scan(refs...); err != nil {
 				return 0, err
 			}
@@ -1067,7 +1067,7 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
 		cnt++
 	}
 
-	if one == false {
+	if !one {
 		if cnt > 0 {
 			ind.Set(slice)
 		} else {
@@ -1357,7 +1357,7 @@ end:
 func (d *dbBase) setFieldValue(fi *fieldInfo, value interface{}, field reflect.Value) (interface{}, error) {
 
 	fieldType := fi.fieldType
-	isNative := fi.isFielder == false
+	isNative := !fi.isFielder
 
 setValue:
 	switch {
@@ -1533,7 +1533,7 @@ setValue:
 		}
 	}
 
-	if isNative == false {
+	if !isNative {
 		fd := field.Addr().Interface().(Fielder)
 		err := fd.SetRaw(value)
 		if err != nil {
@@ -1594,7 +1594,7 @@ func (d *dbBase) ReadValues(q dbQuerier, qs *querySet, mi *modelInfo, cond *Cond
 		infos = make([]*fieldInfo, 0, len(exprs))
 		for _, ex := range exprs {
 			index, name, fi, suc := tables.parseExprs(mi, strings.Split(ex, ExprSep))
-			if suc == false {
+			if !suc {
 				panic(fmt.Errorf("unknown field/column name `%s`", ex))
 			}
 			cols = append(cols, fmt.Sprintf("%s.%s%s%s %s%s%s", index, Q, fi.column, Q, Q, name, Q))

orm/db_alias.go

@@ -186,7 +186,7 @@ func addAliasWthDB(aliasName, driverName string, db *sql.DB) (*alias, error) {
 		return nil, fmt.Errorf("register db Ping `%s`, %s", aliasName, err.Error())
 	}
 
-	if dataBaseCache.add(aliasName, al) == false {
+	if !dataBaseCache.add(aliasName, al) {
 		return nil, fmt.Errorf("DataBase alias name `%s` already registered, cannot reuse", aliasName)
 	}
 
@@ -244,7 +244,7 @@ end:
 
 // RegisterDriver Register a database driver use specify driver name, this can be definition the driver is which database type.
 func RegisterDriver(driverName string, typ DriverType) error {
-	if t, ok := drivers[driverName]; ok == false {
+	if t, ok := drivers[driverName]; !ok {
 		drivers[driverName] = typ
 	} else {
 		if t != typ {

orm/db_tables.go

@@ -63,7 +63,7 @@ func (t *dbTables) set(names []string, mi *modelInfo, fi *fieldInfo, inner bool)
 // add table info to collection.
 func (t *dbTables) add(names []string, mi *modelInfo, fi *fieldInfo, inner bool) (*dbTable, bool) {
 	name := strings.Join(names, ExprSep)
-	if _, ok := t.tablesM[name]; ok == false {
+	if _, ok := t.tablesM[name]; !ok {
 		i := len(t.tables) + 1
 		jt := &dbTable{i, fmt.Sprintf("T%d", i), name, names, false, inner, mi, fi, nil}
 		t.tablesM[name] = jt
@@ -261,7 +261,7 @@ loopFor:
 				fiN, okN = mmi.fields.GetByAny(exprs[i+1])
 			}
 
-			if isRel && (fi.mi.isThrough == false || num != i) {
+			if isRel && (!fi.mi.isThrough || num != i) {
 				if fi.null || t.skipEnd {
 					inner = false
 				}
@@ -364,7 +364,7 @@ func (t *dbTables) getCondSQL(cond *Condition, sub bool, tz *time.Location) (whe
 			}
 
 			index, _, fi, suc := t.parseExprs(mi, exprs)
-			if suc == false {
+			if !suc {
 				panic(fmt.Errorf("unknown field/column name `%s`", strings.Join(p.exprs, ExprSep)))
 			}
 
@@ -383,7 +383,7 @@ func (t *dbTables) getCondSQL(cond *Condition, sub bool, tz *time.Location) (whe
 		}
 	}
 
-	if sub == false && where != "" {
+	if !sub && where != "" {
 		where = "WHERE " + where
 	}
 
@@ -403,7 +403,7 @@ func (t *dbTables) getGroupSQL(groups []string) (groupSQL string) {
 		exprs := strings.Split(group, ExprSep)
 
 		index, _, fi, suc := t.parseExprs(t.mi, exprs)
-		if suc == false {
+		if !suc {
 			panic(fmt.Errorf("unknown field/column name `%s`", strings.Join(exprs, ExprSep)))
 		}
 
@@ -432,7 +432,7 @@ func (t *dbTables) getOrderSQL(orders []string) (orderSQL string) {
 		exprs := strings.Split(order, ExprSep)
 
 		index, _, fi, suc := t.parseExprs(t.mi, exprs)
-		if suc == false {
+		if !suc {
 			panic(fmt.Errorf("unknown field/column name `%s`", strings.Join(exprs, ExprSep)))
 		}
 

orm/models_boot.go

@@ -128,7 +128,7 @@ func bootStrap() {
 						if i := strings.LastIndex(fi.relThrough, "."); i != -1 && len(fi.relThrough) > (i+1) {
 							pn := fi.relThrough[:i]
 							rmi, ok := modelCache.getByFullName(fi.relThrough)
-							if ok == false || pn != rmi.pkg {
+							if !ok || pn != rmi.pkg {
 								err = fmt.Errorf("field `%s` wrong rel_through value `%s` cannot find table", fi.fullName, fi.relThrough)
 								goto end
 							}
@@ -171,7 +171,7 @@ func bootStrap() {
 						break
 					}
 				}
-				if inModel == false {
+				if !inModel {
 					rmi := fi.relModelInfo
 					ffi := new(fieldInfo)
 					ffi.name = mi.name
@@ -185,7 +185,7 @@ func bootStrap() {
 					} else {
 						ffi.fieldType = RelReverseMany
 					}
-					if rmi.fields.Add(ffi) == false {
+					if !rmi.fields.Add(ffi) {
 						added := false
 						for cnt := 0; cnt < 5; cnt++ {
 							ffi.name = fmt.Sprintf("%s%d", mi.name, cnt)
@@ -195,7 +195,7 @@ func bootStrap() {
 								break
 							}
 						}
-						if added == false {
+						if !added {
 							panic(fmt.Errorf("cannot generate auto reverse field info `%s` to `%s`", fi.fullName, ffi.fullName))
 						}
 					}
@@ -248,7 +248,7 @@ func bootStrap() {
 						break mForA
 					}
 				}
-				if found == false {
+				if !found {
 					err = fmt.Errorf("reverse field `%s` not found in model `%s`", fi.fullName, fi.relModelInfo.fullName)
 					goto end
 				}
@@ -267,7 +267,7 @@ func bootStrap() {
 						break mForB
 					}
 				}
-				if found == false {
+				if !found {
 				mForC:
 					for _, ffi := range fi.relModelInfo.fields.fieldsByType[RelManyToMany] {
 						conditions := fi.relThrough != "" && fi.relThrough == ffi.relThrough ||
@@ -287,7 +287,7 @@ func bootStrap() {
 						}
 					}
 				}
-				if found == false {
+				if !found {
 					err = fmt.Errorf("reverse field for `%s` not found in model `%s`", fi.fullName, fi.relModelInfo.fullName)
 					goto end
 				}

orm/models_info_f.go

@@ -47,7 +47,7 @@ func (f *fields) Add(fi *fieldInfo) (added bool) {
 	} else {
 		return
 	}
-	if _, ok := f.fieldsByType[fi.fieldType]; ok == false {
+	if _, ok := f.fieldsByType[fi.fieldType]; !ok {
 		f.fieldsByType[fi.fieldType] = make([]*fieldInfo, 0)
 	}
 	f.fieldsByType[fi.fieldType] = append(f.fieldsByType[fi.fieldType], fi)
@@ -334,12 +334,12 @@ checkType:
 		switch onDelete {
 		case odCascade, odDoNothing:
 		case odSetDefault:
-			if initial.Exist() == false {
+			if !initial.Exist() {
 				err = errors.New("on_delete: set_default need set field a default value")
 				goto end
 			}
 		case odSetNULL:
-			if fi.null == false {
+			if !fi.null {
 				err = errors.New("on_delete: set_null need set field null")
 				goto end
 			}

orm/models_info_m.go

@@ -78,7 +78,7 @@ func addModelFields(mi *modelInfo, ind reflect.Value, mName string, index []int)
 		fi.fieldIndex = append(index, i)
 		fi.mi = mi
 		fi.inModel = true
-		if mi.fields.Add(fi) == false {
+		if !mi.fields.Add(fi) {
 			err = fmt.Errorf("duplicate column name: %s", fi.column)
 			break
 		}

orm/orm.go

@@ -122,21 +122,13 @@ func (o *orm) getFieldInfo(mi *modelInfo, name string) *fieldInfo {
 // read data to model
 func (o *orm) Read(md interface{}, cols ...string) error {
 	mi, ind := o.getMiInd(md, true)
-	err := o.alias.DbBaser.Read(o.db, mi, ind, o.alias.TZ, cols, false)
-	if err != nil {
-		return err
-	}
-	return nil
+	return o.alias.DbBaser.Read(o.db, mi, ind, o.alias.TZ, cols, false)
 }
 
 // read data to model, like Read(), but use "SELECT FOR UPDATE" form
 func (o *orm) ReadForUpdate(md interface{}, cols ...string) error {
 	mi, ind := o.getMiInd(md, true)
-	err := o.alias.DbBaser.Read(o.db, mi, ind, o.alias.TZ, cols, true)
-	if err != nil {
-		return err
-	}
-	return nil
+	return o.alias.DbBaser.Read(o.db, mi, ind, o.alias.TZ, cols, true)
 }
 
 // Try to read a row from the database, or insert one if it doesn't exist
@@ -238,15 +230,11 @@ func (o *orm) InsertOrUpdate(md interface{}, colConflitAndArgs ...string) (int64
 // cols set the columns those want to update.
 func (o *orm) Update(md interface{}, cols ...string) (int64, error) {
 	mi, ind := o.getMiInd(md, true)
-	num, err := o.alias.DbBaser.Update(o.db, mi, ind, o.alias.TZ, cols)
-	if err != nil {
-		return num, err
-	}
-	return num, nil
+	return o.alias.DbBaser.Update(o.db, mi, ind, o.alias.TZ, cols)
 }
 
 // delete model in database
-// cols shows the delete conditions values read from. deafult is pk
+// cols shows the delete conditions values read from. default is pk
 func (o *orm) Delete(md interface{}, cols ...string) (int64, error) {
 	mi, ind := o.getMiInd(md, true)
 	num, err := o.alias.DbBaser.Delete(o.db, mi, ind, o.alias.TZ, cols)
@@ -361,7 +349,7 @@ func (o *orm) queryRelated(md interface{}, name string) (*modelInfo, *fieldInfo,
 	fi := o.getFieldInfo(mi, name)
 
 	_, _, exist := getExistPk(mi, ind)
-	if exist == false {
+	if !exist {
 		panic(ErrMissPK)
 	}
 
@@ -489,7 +477,7 @@ func (o *orm) Begin() error {
 
 // commit transaction
 func (o *orm) Commit() error {
-	if o.isTx == false {
+	if !o.isTx {
 		return ErrTxDone
 	}
 	err := o.db.(txEnder).Commit()
@@ -504,7 +492,7 @@ func (o *orm) Commit() error {
 
 // rollback transaction
 func (o *orm) Rollback() error {
-	if o.isTx == false {
+	if !o.isTx {
 		return ErrTxDone
 	}
 	err := o.db.(txEnder).Rollback()

orm/orm_querym2m.go

@@ -72,7 +72,7 @@ func (o *queryM2M) Add(mds ...interface{}) (int64, error) {
 	}
 
 	_, v1, exist := getExistPk(o.mi, o.ind)
-	if exist == false {
+	if !exist {
 		panic(ErrMissPK)
 	}
 
@@ -87,7 +87,7 @@ func (o *queryM2M) Add(mds ...interface{}) (int64, error) {
 			v2 = ind.Interface()
 		} else {
 			_, v2, exist = getExistPk(fi.relModelInfo, ind)
-			if exist == false {
+			if !exist {
 				panic(ErrMissPK)
 			}
 		}
@@ -104,11 +104,7 @@ func (o *queryM2M) Remove(mds ...interface{}) (int64, error) {
 	fi := o.fi
 	qs := o.qs.Filter(fi.reverseFieldInfo.name, o.md)
 
-	nums, err := qs.Filter(fi.reverseFieldInfoTwo.name+ExprSep+"in", mds).Delete()
-	if err != nil {
-		return nums, err
-	}
-	return nums, nil
+	return qs.Filter(fi.reverseFieldInfoTwo.name+ExprSep+"in", mds).Delete()
 }
 
 // check model is existed in relationship of origin model

orm/orm_test.go

@@ -93,14 +93,14 @@ wrongArg:
 }
 
 func AssertIs(a interface{}, args ...interface{}) error {
-	if ok, err := ValuesCompare(true, a, args...); ok == false {
+	if ok, err := ValuesCompare(true, a, args...); !ok {
 		return err
 	}
 	return nil
 }
 
 func AssertNot(a interface{}, args ...interface{}) error {
-	if ok, err := ValuesCompare(false, a, args...); ok == false {
+	if ok, err := ValuesCompare(false, a, args...); !ok {
 		return err
 	}
 	return nil

orm/utils.go

@@ -225,7 +225,7 @@ func camelString(s string) string {
 		if d == '_' {
 			flag = true
 			continue
-		} else if flag == true {
+		} else if flag {
 			if d >= 'a' && d <= 'z' {
 				d = d - 32
 			}

router_test.go

@@ -502,10 +502,10 @@ func TestFilterBeforeRouter(t *testing.T) {
 	rw, r := testRequest("GET", url)
 	mux.ServeHTTP(rw, r)
 
-	if strings.Contains(rw.Body.String(), "BeforeRouter1") == false {
+	if !strings.Contains(rw.Body.String(), "BeforeRouter1") {
 		t.Errorf(testName + " BeforeRouter did not run")
 	}
-	if strings.Contains(rw.Body.String(), "hello") == true {
+	if strings.Contains(rw.Body.String(), "hello") {
 		t.Errorf(testName + " BeforeRouter did not return properly")
 	}
 }
@@ -525,13 +525,13 @@ func TestFilterBeforeExec(t *testing.T) {
 	rw, r := testRequest("GET", url)
 	mux.ServeHTTP(rw, r)
 
-	if strings.Contains(rw.Body.String(), "BeforeExec1") == false {
+	if !strings.Contains(rw.Body.String(), "BeforeExec1") {
 		t.Errorf(testName + " BeforeExec did not run")
 	}
-	if strings.Contains(rw.Body.String(), "hello") == true {
+	if strings.Contains(rw.Body.String(), "hello") {
 		t.Errorf(testName + " BeforeExec did not return properly")
 	}
-	if strings.Contains(rw.Body.String(), "BeforeRouter") == true {
+	if strings.Contains(rw.Body.String(), "BeforeRouter") {
 		t.Errorf(testName + " BeforeRouter ran in error")
 	}
 }
@@ -552,16 +552,16 @@ func TestFilterAfterExec(t *testing.T) {
 	rw, r := testRequest("GET", url)
 	mux.ServeHTTP(rw, r)
 
-	if strings.Contains(rw.Body.String(), "AfterExec1") == false {
+	if !strings.Contains(rw.Body.String(), "AfterExec1") {
 		t.Errorf(testName + " AfterExec did not run")
 	}
-	if strings.Contains(rw.Body.String(), "hello") == false {
+	if !strings.Contains(rw.Body.String(), "hello") {
 		t.Errorf(testName + " handler did not run properly")
 	}
-	if strings.Contains(rw.Body.String(), "BeforeRouter") == true {
+	if strings.Contains(rw.Body.String(), "BeforeRouter") {
 		t.Errorf(testName + " BeforeRouter ran in error")
 	}
-	if strings.Contains(rw.Body.String(), "BeforeExec") == true {
+	if strings.Contains(rw.Body.String(), "BeforeExec") {
 		t.Errorf(testName + " BeforeExec ran in error")
 	}
 }
@@ -583,19 +583,19 @@ func TestFilterFinishRouter(t *testing.T) {
 	rw, r := testRequest("GET", url)
 	mux.ServeHTTP(rw, r)
 
-	if strings.Contains(rw.Body.String(), "FinishRouter1") == true {
+	if strings.Contains(rw.Body.String(), "FinishRouter1") {
 		t.Errorf(testName + " FinishRouter did not run")
 	}
-	if strings.Contains(rw.Body.String(), "hello") == false {
+	if !strings.Contains(rw.Body.String(), "hello") {
 		t.Errorf(testName + " handler did not run properly")
 	}
-	if strings.Contains(rw.Body.String(), "AfterExec1") == true {
+	if strings.Contains(rw.Body.String(), "AfterExec1") {
 		t.Errorf(testName + " AfterExec ran in error")
 	}
-	if strings.Contains(rw.Body.String(), "BeforeRouter") == true {
+	if strings.Contains(rw.Body.String(), "BeforeRouter") {
 		t.Errorf(testName + " BeforeRouter ran in error")
 	}
-	if strings.Contains(rw.Body.String(), "BeforeExec") == true {
+	if strings.Contains(rw.Body.String(), "BeforeExec") {
 		t.Errorf(testName + " BeforeExec ran in error")
 	}
 }
@@ -615,14 +615,14 @@ func TestFilterFinishRouterMultiFirstOnly(t *testing.T) {
 	rw, r := testRequest("GET", url)
 	mux.ServeHTTP(rw, r)
 
-	if strings.Contains(rw.Body.String(), "FinishRouter1") == false {
+	if !strings.Contains(rw.Body.String(), "FinishRouter1") {
 		t.Errorf(testName + " FinishRouter1 did not run")
 	}
-	if strings.Contains(rw.Body.String(), "hello") == false {
+	if !strings.Contains(rw.Body.String(), "hello") {
 		t.Errorf(testName + " handler did not run properly")
 	}
 	// not expected in body
-	if strings.Contains(rw.Body.String(), "FinishRouter2") == true {
+	if strings.Contains(rw.Body.String(), "FinishRouter2") {
 		t.Errorf(testName + " FinishRouter2 did run")
 	}
 }
@@ -642,13 +642,13 @@ func TestFilterFinishRouterMulti(t *testing.T) {
 	rw, r := testRequest("GET", url)
 	mux.ServeHTTP(rw, r)
 
-	if strings.Contains(rw.Body.String(), "FinishRouter1") == false {
+	if !strings.Contains(rw.Body.String(), "FinishRouter1") {
 		t.Errorf(testName + " FinishRouter1 did not run")
 	}
-	if strings.Contains(rw.Body.String(), "hello") == false {
+	if !strings.Contains(rw.Body.String(), "hello") {
 		t.Errorf(testName + " handler did not run properly")
 	}
-	if strings.Contains(rw.Body.String(), "FinishRouter2") == false {
+	if !strings.Contains(rw.Body.String(), "FinishRouter2") {
 		t.Errorf(testName + " FinishRouter2 did not run properly")
 	}
 }

session/ledis/ledis_session.go

@@ -125,10 +125,7 @@ func (lp *Provider) SessionRead(sid string) (session.Store, error) {
 // SessionExist check ledis session exist by sid
 func (lp *Provider) SessionExist(sid string) bool {
 	count, _ := c.Exists([]byte(sid))
-	if count == 0 {
-		return false
-	}
-	return true
+	return !(count == 0)
 }
 
 // SessionRegenerate generate new sid for ledis session

session/memcache/sess_memcache.go

@@ -205,11 +205,7 @@ func (rp *MemProvider) SessionDestroy(sid string) error {
 		}
 	}
 
-	err := client.Delete(sid)
-	if err != nil {
-		return err
-	}
-	return nil
+	return client.Delete(sid)
 }
 
 func (rp *MemProvider) connectInit() error {

session/mysql/sess_mysql.go

@@ -171,10 +171,7 @@ func (mp *Provider) SessionExist(sid string) bool {
 	row := c.QueryRow("select session_data from "+TableName+" where session_key=?", sid)
 	var sessiondata []byte
 	err := row.Scan(&sessiondata)
-	if err == sql.ErrNoRows {
-		return false
-	}
-	return true
+	return !(err == sql.ErrNoRows)
 }
 
 // SessionRegenerate generate new sid for mysql session

session/postgres/sess_postgresql.go

@@ -184,11 +184,7 @@ func (mp *Provider) SessionExist(sid string) bool {
 	row := c.QueryRow("select session_data from session where session_key=$1", sid)
 	var sessiondata []byte
 	err := row.Scan(&sessiondata)
-
-	if err == sql.ErrNoRows {
-		return false
-	}
-	return true
+	return !(err == sql.ErrNoRows)
 }
 
 // SessionRegenerate generate new sid for postgresql session

session/sess_file.go

@@ -163,10 +163,7 @@ func (fp *FileProvider) SessionExist(sid string) bool {
 	defer filepder.lock.Unlock()
 
 	_, err := os.Stat(path.Join(fp.savePath, string(sid[0]), string(sid[1]), sid))
-	if err == nil {
-		return true
-	}
-	return false
+	return err == nil
 }
 
 // SessionDestroy Remove all files in this save path

session/sess_test.go

@@ -115,7 +115,7 @@ func TestParseConfig(t *testing.T) {
 	if cf2.Gclifetime != 3600 {
 		t.Fatal("parseconfig get gclifetime error")
 	}
-	if cf2.EnableSetCookie != false {
+	if cf2.EnableSetCookie {
 		t.Fatal("parseconfig get enableSetCookie error")
 	}
 	cconfig := new(cookieConfig)

session/ssdb/sess_ssdb.go

@@ -26,10 +26,7 @@ func (p *SsdbProvider) connectInit() error {
 		return errors.New("SessionInit First")
 	}
 	p.client, err = ssdb.Connect(p.host, p.port)
-	if err != nil {
 	return err
-	}
-	return nil
 }
 
 func (p *SsdbProvider) SessionInit(maxLifetime int64, savePath string) error {
@@ -41,11 +38,7 @@ func (p *SsdbProvider) SessionInit(maxLifetime int64, savePath string) error {
 	if e != nil {
 		return e
 	}
-	err := p.connectInit()
-	if err != nil {
-		return err
-	}
-	return nil
+	return p.connectInit()
 }
 
 func (p *SsdbProvider) SessionRead(sid string) (session.Store, error) {
@@ -126,10 +119,7 @@ func (p *SsdbProvider) SessionDestroy(sid string) error {
 		}
 	}
 	_, err := p.client.Del(sid)
-	if err != nil {
 	return err
-	}
-	return nil
 }
 
 func (p *SsdbProvider) SessionGC() {

staticfile.go

@@ -109,14 +109,14 @@ var (
 func openFile(filePath string, fi os.FileInfo, acceptEncoding string) (bool, string, *serveContentHolder, error) {
 	mapKey := acceptEncoding + ":" + filePath
 	mapLock.RLock()
-	mapFile, _ := staticFileMap[mapKey]
+	mapFile := staticFileMap[mapKey]
 	mapLock.RUnlock()
 	if isOk(mapFile, fi) {
 		return mapFile.encoding != "", mapFile.encoding, mapFile, nil
 	}
 	mapLock.Lock()
 	defer mapLock.Unlock()
-	if mapFile, _ = staticFileMap[mapKey]; !isOk(mapFile, fi) {
+	if mapFile = staticFileMap[mapKey]; !isOk(mapFile, fi) {
 		file, err := os.Open(filePath)
 		if err != nil {
 			return false, "", nil, err

template.go

@@ -46,7 +46,7 @@ var (
 // writing the output to wr.
 // A template will be executed safely in parallel.
 func ExecuteTemplate(wr io.Writer, name string, data interface{}) error {
-	return ExecuteViewPathTemplate(wr,name, BConfig.WebConfig.ViewsPath, data)
+	return ExecuteViewPathTemplate(wr, name, BConfig.WebConfig.ViewsPath, data)
 }
 
 // ExecuteViewPathTemplate applies the template with name and from specific viewPath to the specified data object,
@@ -57,7 +57,7 @@ func ExecuteViewPathTemplate(wr io.Writer, name string, viewPath string, data in
 		templatesLock.RLock()
 		defer templatesLock.RUnlock()
 	}
-	if beeTemplates,ok := beeViewPathTemplates[viewPath]; ok {
+	if beeTemplates, ok := beeViewPathTemplates[viewPath]; ok {
 		if t, ok := beeTemplates[name]; ok {
 			var err error
 			if t.Lookup(name) != nil {
@@ -187,7 +187,7 @@ func BuildTemplate(dir string, files ...string) error {
 		}
 		return errors.New("dir open err")
 	}
-	beeTemplates,ok := beeViewPathTemplates[dir];
+	beeTemplates, ok := beeViewPathTemplates[dir]
 	if !ok {
 		panic("Unknown view path: " + dir)
 	}
@@ -296,7 +296,7 @@ func _getTemplate(t0 *template.Template, root string, subMods [][]string, others
 					t, subMods1, err = getTplDeep(root, otherFile, "", t)
 					if err != nil {
 						logs.Trace("template parse file err:", err)
-					} else if subMods1 != nil && len(subMods1) > 0 {
+					} else if len(subMods1) > 0 {
 						t, err = _getTemplate(t, root, subMods1, others...)
 					}
 					break
@@ -317,7 +317,7 @@ func _getTemplate(t0 *template.Template, root string, subMods [][]string, others
 						t, subMods1, err = getTplDeep(root, otherFile, "", t)
 						if err != nil {
 							logs.Trace("template parse file err:", err)
-						} else if subMods1 != nil && len(subMods1) > 0 {
+						} else if len(subMods1) > 0 {
 							t, err = _getTemplate(t, root, subMods1, others...)
 						}
 						break

templatefunc_test.go

@@ -173,7 +173,7 @@ func TestParseForm(t *testing.T) {
 	if u.Intro != "I am an engineer!" {
 		t.Errorf("Intro should equal `I am an engineer!` but got `%v`", u.Intro)
 	}
-	if u.StrBool != true {
+	if !u.StrBool {
 		t.Errorf("strboll should equal `true`, but got `%v`", u.StrBool)
 	}
 	y, m, d := u.Date.Date()
@@ -255,43 +255,43 @@ func TestParseFormTag(t *testing.T) {
 	objT := reflect.TypeOf(&user{}).Elem()
 
 	label, name, fType, id, class, ignored, required := parseFormTag(objT.Field(0))
-	if !(name == "name" && label == "年龄：" && fType == "text" && ignored == false) {
+	if !(name == "name" && label == "年龄：" && fType == "text" && !ignored) {
 		t.Errorf("Form Tag with name, label and type was not correctly parsed.")
 	}
 
 	label, name, fType, id, class, ignored, required = parseFormTag(objT.Field(1))
-	if !(name == "NoName" && label == "年龄：" && fType == "hidden" && ignored == false) {
+	if !(name == "NoName" && label == "年龄：" && fType == "hidden" && !ignored) {
 		t.Errorf("Form Tag with label and type but without name was not correctly parsed.")
 	}
 
 	label, name, fType, id, class, ignored, required = parseFormTag(objT.Field(2))
-	if !(name == "OnlyLabel" && label == "年龄：" && fType == "text" && ignored == false) {
+	if !(name == "OnlyLabel" && label == "年龄：" && fType == "text" && !ignored) {
 		t.Errorf("Form Tag containing only label was not correctly parsed.")
 	}
 
 	label, name, fType, id, class, ignored, required = parseFormTag(objT.Field(3))
-	if !(name == "name" && label == "OnlyName: " && fType == "text" && ignored == false &&
+	if !(name == "name" && label == "OnlyName: " && fType == "text" && !ignored &&
 		id == "name" && class == "form-name") {
 		t.Errorf("Form Tag containing only name was not correctly parsed.")
 	}
 
 	label, name, fType, id, class, ignored, required = parseFormTag(objT.Field(4))
-	if ignored == false {
+	if !ignored {
 		t.Errorf("Form Tag that should be ignored was not correctly parsed.")
 	}
 
 	label, name, fType, id, class, ignored, required = parseFormTag(objT.Field(5))
-	if !(name == "name" && required == true) {
+	if !(name == "name" && required) {
 		t.Errorf("Form Tag containing only name and required was not correctly parsed.")
 	}
 
 	label, name, fType, id, class, ignored, required = parseFormTag(objT.Field(6))
-	if !(name == "name" && required == false) {
+	if !(name == "name" && !required) {
 		t.Errorf("Form Tag containing only name and ignore required was not correctly parsed.")
 	}
 
 	label, name, fType, id, class, ignored, required = parseFormTag(objT.Field(7))
-	if !(name == "name" && required == false) {
+	if !(name == "name" && !required) {
 		t.Errorf("Form Tag containing only name and not required was not correctly parsed.")
 	}
 

validation/validation.go

@@ -349,7 +349,7 @@ func (v *Validation) RecursiveValid(objc interface{}) (bool, error) {
 	//Step 1: validate obj itself firstly
 	// fails if objc is not struct
 	pass, err := v.Valid(objc)
-	if err != nil || false == pass {
+	if err != nil || !pass {
 		return pass, err // Stop recursive validation
 	}
 	// Step 2: Validate struct's struct fields