Chore: Move ReqContext to contexthandler service (#62102)

* Chore: Move ReqContext to contexthandler service

* Rename package to contextmodel

* Generate ngalert files

* Remove unused imports

pkg/api/pluginproxy/ds_proxy.go

@@ -17,8 +17,8 @@ import (
 	"github.com/grafana/grafana/pkg/infra/httpclient"
 	glog "github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/infra/tracing"
-	"github.com/grafana/grafana/pkg/models"
 	"github.com/grafana/grafana/pkg/plugins"
+	contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
 	"github.com/grafana/grafana/pkg/services/datasources"
 	"github.com/grafana/grafana/pkg/services/oauthtoken"
 	"github.com/grafana/grafana/pkg/setting"
@@ -33,7 +33,7 @@ var (
 
 type DataSourceProxy struct {
 	ds                 *datasources.DataSource
-	ctx                *models.ReqContext
+	ctx                *contextmodel.ReqContext
 	targetUrl          *url.URL
 	proxyPath          string
 	matchedRoute       *plugins.Route
@@ -50,7 +50,7 @@ type httpClient interface {
 }
 
 // NewDataSourceProxy creates a new Datasource proxy
-func NewDataSourceProxy(ds *datasources.DataSource, pluginRoutes []*plugins.Route, ctx *models.ReqContext,
+func NewDataSourceProxy(ds *datasources.DataSource, pluginRoutes []*plugins.Route, ctx *contextmodel.ReqContext,
 	proxyPath string, cfg *setting.Cfg, clientProvider httpclient.Provider,
 	oAuthTokenService oauthtoken.OAuthTokenService, dsService datasources.DataSourceService,
 	tracer tracing.Tracer) (*DataSourceProxy, error) {
@@ -343,7 +343,7 @@ func (proxy *DataSourceProxy) logRequest() {
 		"body", body)
 }
 
-func checkWhiteList(c *models.ReqContext, host string) bool {
+func checkWhiteList(c *contextmodel.ReqContext, host string) bool {
 	if host != "" && len(setting.DataProxyWhiteList) > 0 {
 		if _, exists := setting.DataProxyWhiteList[host]; !exists {
 			c.JsonApiErr(403, "Data proxy hostname and ip are not included in whitelist", nil)