feat(alerting): add support for alert page filter

pkg/api/alerting.go

@@ -47,6 +47,7 @@ func GetAlertChanges(c *middleware.Context) Response {
 func GetAlerts(c *middleware.Context) Response {
 	query := models.GetAlertsQuery{
 		OrgId: c.OrgId,
+		State: c.QueryStrings("state"),
 	}
 
 	if err := bus.Dispatch(&query); err != nil {
@@ -78,8 +79,10 @@ func GetAlerts(c *middleware.Context) Response {
 		DashboardIds: dashboardIds,
 	}
 
-	if err := bus.Dispatch(&dashboardsQuery); err != nil {
-		return ApiError(500, "List alerts failed", err)
+	if len(alertDTOs) > 0 {
+		if err := bus.Dispatch(&dashboardsQuery); err != nil {
+			return ApiError(500, "List alerts failed", err)
+		}
 	}
 
 	//TODO: should be possible to speed this up with lookup table
@@ -128,7 +131,7 @@ func DelAlert(c *middleware.Context) Response {
 func GetAlertStates(c *middleware.Context) Response {
 	alertId := c.ParamsInt64(":alertId")
 
-	query := models.GetAlertsStateCommand{
+	query := models.GetAlertsStateQuery{
 		AlertId: alertId,
 	}
 

pkg/models/alerts.go

@@ -96,6 +96,7 @@ type DeleteAlertCommand struct {
 //Queries
 type GetAlertsQuery struct {
 	OrgId int64
+	State []string
 
 	Result []AlertRule
 }

pkg/models/alerts_state.go

@@ -38,7 +38,7 @@ type UpdateAlertStateCommand struct {
 
 // Queries
 
-type GetAlertsStateCommand struct {
+type GetAlertsStateQuery struct {
 	OrgId   int64 `json:"orgId" binding:"Required"`
 	AlertId int64 `json:"alertId" binding:"Required"`
 

pkg/services/sqlstore/alert_rule.go

@@ -1,15 +1,17 @@
 package sqlstore
 
 import (
+	"bytes"
 	"fmt"
 	"github.com/go-xorm/xorm"
 	"github.com/grafana/grafana/pkg/bus"
 	m "github.com/grafana/grafana/pkg/models"
+	"strings"
 )
 
 func init() {
 	bus.AddHandler("sql", SaveAlerts)
-	bus.AddHandler("sql", GetAllAlertsForOrg)
+	bus.AddHandler("sql", HandleAlertsQuery)
 	bus.AddHandler("sql", GetAlertById)
 	bus.AddHandler("sql", GetAlertsByDashboardId)
 	bus.AddHandler("sql", GetAlertsByDashboardAndPanelId)
@@ -41,9 +43,33 @@ func DeleteAlertById(cmd *m.DeleteAlertCommand) error {
 	})
 }
 
-func GetAllAlertsForOrg(query *m.GetAlertsQuery) error {
+func HandleAlertsQuery(query *m.GetAlertsQuery) error {
+	var sql bytes.Buffer
+	params := make([]interface{}, 0)
+
+	sql.WriteString(`SELECT *
+						from alert_rule
+						`)
+
+	sql.WriteString(`WHERE org_id = ?`)
+	params = append(params, query.OrgId)
+
+	if len(query.State) > 0 {
+
+		sql.WriteString(` AND (`)
+		for i, v := range query.State {
+			if i > 0 {
+				sql.WriteString(" OR ")
+			}
+			sql.WriteString("state = ? ")
+			params = append(params, strings.ToUpper(v))
+		}
+		sql.WriteString(")")
+
+	}
+
 	alerts := make([]m.AlertRule, 0)
-	if err := x.Where("org_id = ?", query.OrgId).Find(&alerts); err != nil {
+	if err := x.Sql(sql.String(), params...).Find(&alerts); err != nil {
 		return err
 	}
 
@@ -127,6 +153,7 @@ func upsertAlerts(alerts []m.AlertRule, posted *[]m.AlertRule, sess *xorm.Sessio
 			}
 
 		} else {
+			alert.State = "OK"
 			_, err := sess.Insert(&alert)
 			if err != nil {
 				return err

pkg/services/sqlstore/alert_rule_test.go

@@ -30,7 +30,6 @@ func TestAlertingDataAccess(t *testing.T) {
 				Description:  "Alerting description",
 				QueryRange:   "5m",
 				Aggregator:   "avg",
-				State:        "OK",
 			},
 		}
 

pkg/services/sqlstore/alert_state.go

@@ -47,7 +47,7 @@ func SetNewAlertState(cmd *m.UpdateAlertStateCommand) error {
 	})
 }
 
-func GetAlertStateLogByAlertId(cmd *m.GetAlertsStateCommand) error {
+func GetAlertStateLogByAlertId(cmd *m.GetAlertsStateQuery) error {
 	alertLogs := make([]m.AlertState, 0)
 
 	if err := x.Where("alert_id = ?", cmd.AlertId).Desc("created").Find(&alertLogs); err != nil {

pkg/services/sqlstore/alert_state_test.go

@@ -82,7 +82,7 @@ func TestAlertingStateAccess(t *testing.T) {
 				})
 
 				Convey("should have two event state logs", func() {
-					query := &m.GetAlertsStateCommand{
+					query := &m.GetAlertsStateQuery{
 						AlertId: 1,
 						OrgId:   1,
 					}
@@ -92,6 +92,17 @@ func TestAlertingStateAccess(t *testing.T) {
 
 					So(len(*query.Result), ShouldEqual, 2)
 				})
+
+				Convey("should not get any alerts with critical state", func() {
+					query := &m.GetAlertsQuery{
+						OrgId: 1,
+						State: []string{"Critical"},
+					}
+
+					err := HandleAlertsQuery(query)
+					So(err, ShouldBeNil)
+					So(len(query.Result), ShouldEqual, 0)
+				})
 			})
 		})
 	})