diff --git a/routers/admin/admin.go b/routers/admin/admin.go
index 97acf734b8..655c6a30ba 100644
--- a/routers/admin/admin.go
+++ b/routers/admin/admin.go
@@ -22,9 +22,9 @@ import (
 )
 
 const (
-	DASHBOARD base.TplName = "admin/dashboard"
-	CONFIG    base.TplName = "admin/config"
-	MONITOR   base.TplName = "admin/monitor"
+	tplDashboard base.TplName = "admin/dashboard"
+	tplConfig    base.TplName = "admin/config"
+	tplMonitor   base.TplName = "admin/monitor"
 )
 
 var (
@@ -110,19 +110,20 @@ func updateSystemStatus() {
 	sysStatus.NumGC = m.NumGC
 }
 
-// Operation types.
-type AdminOperation int
+// Operation Operation types.
+type Operation int
 
 const (
-	CLEAN_INACTIVATE_USER AdminOperation = iota + 1
-	CLEAN_REPO_ARCHIVES
-	CLEAN_MISSING_REPOS
-	GIT_GC_REPOS
-	SYNC_SSH_AUTHORIZED_KEY
-	SYNC_REPOSITORY_UPDATE_HOOK
-	REINIT_MISSING_REPOSITORY
+	cleanInactivateUser Operation = iota + 1
+	cleanRepoArchives
+	cleanMissingRepos
+	gitGCRepos
+	syncSSHAuthorizedKey
+	syncRepositoryUpdateHook
+	reinitMissingRepository
 )
 
+// Dashboard show admin panel dashboard
 func Dashboard(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.dashboard")
 	ctx.Data["PageIsAdmin"] = true
@@ -134,26 +135,26 @@ func Dashboard(ctx *context.Context) {
 		var err error
 		var success string
 
-		switch AdminOperation(op) {
-		case CLEAN_INACTIVATE_USER:
+		switch Operation(op) {
+		case cleanInactivateUser:
 			success = ctx.Tr("admin.dashboard.delete_inactivate_accounts_success")
 			err = models.DeleteInactivateUsers()
-		case CLEAN_REPO_ARCHIVES:
+		case cleanRepoArchives:
 			success = ctx.Tr("admin.dashboard.delete_repo_archives_success")
 			err = models.DeleteRepositoryArchives()
-		case CLEAN_MISSING_REPOS:
+		case cleanMissingRepos:
 			success = ctx.Tr("admin.dashboard.delete_missing_repos_success")
 			err = models.DeleteMissingRepositories()
-		case GIT_GC_REPOS:
+		case gitGCRepos:
 			success = ctx.Tr("admin.dashboard.git_gc_repos_success")
 			err = models.GitGcRepos()
-		case SYNC_SSH_AUTHORIZED_KEY:
+		case syncSSHAuthorizedKey:
 			success = ctx.Tr("admin.dashboard.resync_all_sshkeys_success")
 			err = models.RewriteAllPublicKeys()
-		case SYNC_REPOSITORY_UPDATE_HOOK:
+		case syncRepositoryUpdateHook:
 			success = ctx.Tr("admin.dashboard.resync_all_update_hooks_success")
 			err = models.RewriteRepositoryUpdateHook()
-		case REINIT_MISSING_REPOSITORY:
+		case reinitMissingRepository:
 			success = ctx.Tr("admin.dashboard.reinit_missing_repos_success")
 			err = models.ReinitMissingRepositories()
 		}
@@ -171,9 +172,10 @@ func Dashboard(ctx *context.Context) {
 	// FIXME: update periodically
 	updateSystemStatus()
 	ctx.Data["SysStatus"] = sysStatus
-	ctx.HTML(200, DASHBOARD)
+	ctx.HTML(200, tplDashboard)
 }
 
+// SendTestMail send test mail to confirm mail service is OK
 func SendTestMail(ctx *context.Context) {
 	email := ctx.Query("email")
 	// Send a test email to the user's email address and redirect back to Config
@@ -186,6 +188,7 @@ func SendTestMail(ctx *context.Context) {
 	ctx.Redirect(setting.AppSubUrl + "/admin/config")
 }
 
+// Config show admin config page
 func Config(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.config")
 	ctx.Data["PageIsAdmin"] = true
@@ -235,14 +238,15 @@ func Config(ctx *context.Context) {
 	}
 	ctx.Data["Loggers"] = loggers
 
-	ctx.HTML(200, CONFIG)
+	ctx.HTML(200, tplConfig)
 }
 
+// Monitor show admin monitor page
 func Monitor(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.monitor")
 	ctx.Data["PageIsAdmin"] = true
 	ctx.Data["PageIsAdminMonitor"] = true
 	ctx.Data["Processes"] = process.Processes
 	ctx.Data["Entries"] = cron.ListTasks()
-	ctx.HTML(200, MONITOR)
+	ctx.HTML(200, tplMonitor)
 }
diff --git a/routers/admin/auths.go b/routers/admin/auths.go
index 4ac171d769..4a86e60b54 100644
--- a/routers/admin/auths.go
+++ b/routers/admin/auths.go
@@ -20,11 +20,12 @@ import (
 )
 
 const (
-	AUTHS     base.TplName = "admin/auth/list"
-	AUTH_NEW  base.TplName = "admin/auth/new"
-	AUTH_EDIT base.TplName = "admin/auth/edit"
+	tplAuths    base.TplName = "admin/auth/list"
+	tplAuthNew  base.TplName = "admin/auth/new"
+	tplAuthEdit base.TplName = "admin/auth/edit"
 )
 
+// Authentications show authentication config page
 func Authentications(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.authentication")
 	ctx.Data["PageIsAdmin"] = true
@@ -38,7 +39,7 @@ func Authentications(ctx *context.Context) {
 	}
 
 	ctx.Data["Total"] = models.CountLoginSources()
-	ctx.HTML(200, AUTHS)
+	ctx.HTML(200, tplAuths)
 }
 
 type dropdownItem struct {
@@ -60,6 +61,7 @@ var (
 	}
 )
 
+// NewAuthSource render adding a new auth source page
 func NewAuthSource(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.auths.new")
 	ctx.Data["PageIsAdmin"] = true
@@ -73,7 +75,7 @@ func NewAuthSource(ctx *context.Context) {
 	ctx.Data["AuthSources"] = authSources
 	ctx.Data["SecurityProtocols"] = securityProtocols
 	ctx.Data["SMTPAuths"] = models.SMTPAuths
-	ctx.HTML(200, AUTH_NEW)
+	ctx.HTML(200, tplAuthNew)
 }
 
 func parseLDAPConfig(form auth.AuthenticationForm) *models.LDAPConfig {
@@ -111,6 +113,7 @@ func parseSMTPConfig(form auth.AuthenticationForm) *models.SMTPConfig {
 	}
 }
 
+// NewAuthSourcePost response for adding an auth source
 func NewAuthSourcePost(ctx *context.Context, form auth.AuthenticationForm) {
 	ctx.Data["Title"] = ctx.Tr("admin.auths.new")
 	ctx.Data["PageIsAdmin"] = true
@@ -142,7 +145,7 @@ func NewAuthSourcePost(ctx *context.Context, form auth.AuthenticationForm) {
 	ctx.Data["HasTLS"] = hasTLS
 
 	if ctx.HasError() {
-		ctx.HTML(200, AUTH_NEW)
+		ctx.HTML(200, tplAuthNew)
 		return
 	}
 
@@ -154,7 +157,7 @@ func NewAuthSourcePost(ctx *context.Context, form auth.AuthenticationForm) {
 	}); err != nil {
 		if models.IsErrLoginSourceAlreadyExist(err) {
 			ctx.Data["Err_Name"] = true
-			ctx.RenderWithErr(ctx.Tr("admin.auths.login_source_exist", err.(models.ErrLoginSourceAlreadyExist).Name), AUTH_NEW, form)
+			ctx.RenderWithErr(ctx.Tr("admin.auths.login_source_exist", err.(models.ErrLoginSourceAlreadyExist).Name), tplAuthNew, form)
 		} else {
 			ctx.Handle(500, "CreateSource", err)
 		}
@@ -167,6 +170,7 @@ func NewAuthSourcePost(ctx *context.Context, form auth.AuthenticationForm) {
 	ctx.Redirect(setting.AppSubUrl + "/admin/auths")
 }
 
+// EditAuthSource render editing auth source page
 func EditAuthSource(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.auths.edit")
 	ctx.Data["PageIsAdmin"] = true
@@ -183,9 +187,10 @@ func EditAuthSource(ctx *context.Context) {
 	ctx.Data["Source"] = source
 	ctx.Data["HasTLS"] = source.HasTLS()
 
-	ctx.HTML(200, AUTH_EDIT)
+	ctx.HTML(200, tplAuthEdit)
 }
 
+// EditAuthSourcePost resposne for editing auth source
 func EditAuthSourcePost(ctx *context.Context, form auth.AuthenticationForm) {
 	ctx.Data["Title"] = ctx.Tr("admin.auths.edit")
 	ctx.Data["PageIsAdmin"] = true
@@ -202,7 +207,7 @@ func EditAuthSourcePost(ctx *context.Context, form auth.AuthenticationForm) {
 	ctx.Data["HasTLS"] = source.HasTLS()
 
 	if ctx.HasError() {
-		ctx.HTML(200, AUTH_EDIT)
+		ctx.HTML(200, tplAuthEdit)
 		return
 	}
 
@@ -234,6 +239,7 @@ func EditAuthSourcePost(ctx *context.Context, form auth.AuthenticationForm) {
 	ctx.Redirect(setting.AppSubUrl + "/admin/auths/" + com.ToStr(form.ID))
 }
 
+// DeleteAuthSource response for deleting an auth source
 func DeleteAuthSource(ctx *context.Context) {
 	source, err := models.GetLoginSourceByID(ctx.ParamsInt64(":authid"))
 	if err != nil {
diff --git a/routers/admin/notice.go b/routers/admin/notice.go
index 1ff55124a4..4e4f0f1e94 100644
--- a/routers/admin/notice.go
+++ b/routers/admin/notice.go
@@ -16,9 +16,10 @@ import (
 )
 
 const (
-	NOTICES base.TplName = "admin/notice"
+	tplNotices base.TplName = "admin/notice"
 )
 
+// Notices show notices for admin
 func Notices(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.notices")
 	ctx.Data["PageIsAdmin"] = true
@@ -39,9 +40,10 @@ func Notices(ctx *context.Context) {
 	ctx.Data["Notices"] = notices
 
 	ctx.Data["Total"] = total
-	ctx.HTML(200, NOTICES)
+	ctx.HTML(200, tplNotices)
 }
 
+// DeleteNotices delete the specific notices
 func DeleteNotices(ctx *context.Context) {
 	strs := ctx.QueryStrings("ids[]")
 	ids := make([]int64, 0, len(strs))
@@ -61,6 +63,7 @@ func DeleteNotices(ctx *context.Context) {
 	}
 }
 
+// EmptyNotices delete all the notices
 func EmptyNotices(ctx *context.Context) {
 	if err := models.DeleteNotices(0, 0); err != nil {
 		ctx.Handle(500, "DeleteNotices", err)
diff --git a/routers/admin/orgs.go b/routers/admin/orgs.go
index 8e71bd72d3..88d88d1c05 100644
--- a/routers/admin/orgs.go
+++ b/routers/admin/orgs.go
@@ -13,9 +13,10 @@ import (
 )
 
 const (
-	ORGS base.TplName = "admin/org/list"
+	tplOrgs base.TplName = "admin/org/list"
 )
 
+// Organizations show all the organizations
 func Organizations(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.organizations")
 	ctx.Data["PageIsAdmin"] = true
@@ -27,6 +28,6 @@ func Organizations(ctx *context.Context) {
 		Ranger:   models.Organizations,
 		PageSize: setting.UI.Admin.OrgPagingNum,
 		OrderBy:  "id ASC",
-		TplName:  ORGS,
+		TplName:  tplOrgs,
 	})
 }
diff --git a/routers/admin/repos.go b/routers/admin/repos.go
index 02041185d0..287c294408 100644
--- a/routers/admin/repos.go
+++ b/routers/admin/repos.go
@@ -14,9 +14,10 @@ import (
 )
 
 const (
-	REPOS base.TplName = "admin/repo/list"
+	tplRepos base.TplName = "admin/repo/list"
 )
 
+// Repos show all the repositories
 func Repos(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.repositories")
 	ctx.Data["PageIsAdmin"] = true
@@ -28,10 +29,11 @@ func Repos(ctx *context.Context) {
 		Private:  true,
 		PageSize: setting.UI.Admin.RepoPagingNum,
 		OrderBy:  "owner_id ASC, name ASC, id ASC",
-		TplName:  REPOS,
+		TplName:  tplRepos,
 	})
 }
 
+// DeleteRepo delete one repository
 func DeleteRepo(ctx *context.Context) {
 	repo, err := models.GetRepositoryByID(ctx.QueryInt64("id"))
 	if err != nil {
diff --git a/routers/admin/users.go b/routers/admin/users.go
index c6c08c5b61..dd4d2f5786 100644
--- a/routers/admin/users.go
+++ b/routers/admin/users.go
@@ -19,11 +19,12 @@ import (
 )
 
 const (
-	USERS     base.TplName = "admin/user/list"
-	USER_NEW  base.TplName = "admin/user/new"
-	USER_EDIT base.TplName = "admin/user/edit"
+	tplUsers    base.TplName = "admin/user/list"
+	tplUserNew  base.TplName = "admin/user/new"
+	tplUserEdit base.TplName = "admin/user/edit"
 )
 
+// Users show all the users
 func Users(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.users")
 	ctx.Data["PageIsAdmin"] = true
@@ -35,10 +36,11 @@ func Users(ctx *context.Context) {
 		Ranger:   models.Users,
 		PageSize: setting.UI.Admin.UserPagingNum,
 		OrderBy:  "id ASC",
-		TplName:  USERS,
+		TplName:  tplUsers,
 	})
 }
 
+// NewUser render adding a new user page
 func NewUser(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.users.new_account")
 	ctx.Data["PageIsAdmin"] = true
@@ -54,9 +56,10 @@ func NewUser(ctx *context.Context) {
 	ctx.Data["Sources"] = sources
 
 	ctx.Data["CanSendEmail"] = setting.MailService != nil
-	ctx.HTML(200, USER_NEW)
+	ctx.HTML(200, tplUserNew)
 }
 
+// NewUserPost response for adding a new user
 func NewUserPost(ctx *context.Context, form auth.AdminCrateUserForm) {
 	ctx.Data["Title"] = ctx.Tr("admin.users.new_account")
 	ctx.Data["PageIsAdmin"] = true
@@ -72,7 +75,7 @@ func NewUserPost(ctx *context.Context, form auth.AdminCrateUserForm) {
 	ctx.Data["CanSendEmail"] = setting.MailService != nil
 
 	if ctx.HasError() {
-		ctx.HTML(200, USER_NEW)
+		ctx.HTML(200, tplUserNew)
 		return
 	}
 
@@ -97,16 +100,16 @@ func NewUserPost(ctx *context.Context, form auth.AdminCrateUserForm) {
 		switch {
 		case models.IsErrUserAlreadyExist(err):
 			ctx.Data["Err_UserName"] = true
-			ctx.RenderWithErr(ctx.Tr("form.username_been_taken"), USER_NEW, &form)
+			ctx.RenderWithErr(ctx.Tr("form.username_been_taken"), tplUserNew, &form)
 		case models.IsErrEmailAlreadyUsed(err):
 			ctx.Data["Err_Email"] = true
-			ctx.RenderWithErr(ctx.Tr("form.email_been_used"), USER_NEW, &form)
+			ctx.RenderWithErr(ctx.Tr("form.email_been_used"), tplUserNew, &form)
 		case models.IsErrNameReserved(err):
 			ctx.Data["Err_UserName"] = true
-			ctx.RenderWithErr(ctx.Tr("user.form.name_reserved", err.(models.ErrNameReserved).Name), USER_NEW, &form)
+			ctx.RenderWithErr(ctx.Tr("user.form.name_reserved", err.(models.ErrNameReserved).Name), tplUserNew, &form)
 		case models.IsErrNamePatternNotAllowed(err):
 			ctx.Data["Err_UserName"] = true
-			ctx.RenderWithErr(ctx.Tr("user.form.name_pattern_not_allowed", err.(models.ErrNamePatternNotAllowed).Pattern), USER_NEW, &form)
+			ctx.RenderWithErr(ctx.Tr("user.form.name_pattern_not_allowed", err.(models.ErrNamePatternNotAllowed).Pattern), tplUserNew, &form)
 		default:
 			ctx.Handle(500, "CreateUser", err)
 		}
@@ -151,6 +154,7 @@ func prepareUserInfo(ctx *context.Context) *models.User {
 	return u
 }
 
+// EditUser show editting user page
 func EditUser(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.users.edit_account")
 	ctx.Data["PageIsAdmin"] = true
@@ -161,9 +165,10 @@ func EditUser(ctx *context.Context) {
 		return
 	}
 
-	ctx.HTML(200, USER_EDIT)
+	ctx.HTML(200, tplUserEdit)
 }
 
+// EditUserPost response for editting user
 func EditUserPost(ctx *context.Context, form auth.AdminEditUserForm) {
 	ctx.Data["Title"] = ctx.Tr("admin.users.edit_account")
 	ctx.Data["PageIsAdmin"] = true
@@ -175,7 +180,7 @@ func EditUserPost(ctx *context.Context, form auth.AdminEditUserForm) {
 	}
 
 	if ctx.HasError() {
-		ctx.HTML(200, USER_EDIT)
+		ctx.HTML(200, tplUserEdit)
 		return
 	}
 
@@ -211,7 +216,7 @@ func EditUserPost(ctx *context.Context, form auth.AdminEditUserForm) {
 	if err := models.UpdateUser(u); err != nil {
 		if models.IsErrEmailAlreadyUsed(err) {
 			ctx.Data["Err_Email"] = true
-			ctx.RenderWithErr(ctx.Tr("form.email_been_used"), USER_EDIT, &form)
+			ctx.RenderWithErr(ctx.Tr("form.email_been_used"), tplUserEdit, &form)
 		} else {
 			ctx.Handle(500, "UpdateUser", err)
 		}
@@ -223,6 +228,7 @@ func EditUserPost(ctx *context.Context, form auth.AdminEditUserForm) {
 	ctx.Redirect(setting.AppSubUrl + "/admin/users/" + ctx.Params(":userid"))
 }
 
+// DeleteUser response for deleting a user
 func DeleteUser(ctx *context.Context) {
 	u, err := models.GetUserByID(ctx.ParamsInt64(":userid"))
 	if err != nil {