Query history: Create API to delete query from query history (#44653)

* Query history: Add delete and refactor

* Update docs/sources/http_api/query_history.md

Co-authored-by: Piotr Jamróz <pm.jamroz@gmail.com>

Co-authored-by: Piotr Jamróz <pm.jamroz@gmail.com>

pkg/services/queryhistory/models.go

@@ -1,21 +1,48 @@
 package queryhistory
 
 import (
+	"errors"
+
 	"github.com/grafana/grafana/pkg/components/simplejson"
 )
 
+var (
+	ErrQueryNotFound = errors.New("query in query history not found")
+)
+
 type QueryHistory struct {
-	Id            int64            `json:"id"`
-	Uid           string           `json:"uid"`
-	DatasourceUid string           `json:"datasourceUid"`
-	OrgId         int64            `json:"orgId"`
+	ID            int64  `xorm:"pk autoincr 'id'"`
+	UID           string `xorm:"uid"`
+	DatasourceUID string `xorm:"datasource_uid"`
+	OrgID         int64  `xorm:"org_id"`
+	CreatedBy     int64
+	CreatedAt     int64
+	Comment       string
+	Queries       *simplejson.Json
+}
+
+type CreateQueryInQueryHistoryCommand struct {
+	DatasourceUID string           `json:"datasourceUid"`
+	Queries       *simplejson.Json `json:"queries"`
+}
+
+type QueryHistoryDTO struct {
+	UID           string           `json:"uid"`
+	DatasourceUID string           `json:"datasourceUid"`
 	CreatedBy     int64            `json:"createdBy"`
 	CreatedAt     int64            `json:"createdAt"`
 	Comment       string           `json:"comment"`
 	Queries       *simplejson.Json `json:"queries"`
+	Starred       bool             `json:"starred"`
 }
 
-type CreateQueryInQueryHistoryCommand struct {
-	DatasourceUid string           `json:"datasourceUid"`
-	Queries       *simplejson.Json `json:"queries"`
+// QueryHistoryResponse is a response struct for QueryHistoryDTO
+type QueryHistoryResponse struct {
+	Result QueryHistoryDTO `json:"result"`
+}
+
+// DeleteQueryFromQueryHistoryResponse is the response struct for deleting a query from query history
+type DeleteQueryFromQueryHistoryResponse struct {
+	ID      int64  `json:"id"`
+	Message string `json:"message"`
 }