AlertingNG: base API implementation (#31824)

* AlertingNG: base API implementation

* Pass the interface instead of the base impl

* Ruler mock draft (WIP)

* Update alerting-api dependency

* Improve mock implementation

pkg/services/ngalert/api/api_prometheus_base.go

@@ -0,0 +1,44 @@
+/*Package api contains base API implementation of unified alerting
+ *
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ *
+ * Need to remove unused imports.
+ */
+package api
+
+import (
+	"net/http"
+
+	"github.com/grafana/grafana/pkg/api/response"
+	"github.com/grafana/grafana/pkg/api/routing"
+	"github.com/grafana/grafana/pkg/infra/log"
+	"github.com/grafana/grafana/pkg/models"
+)
+
+type PrometheusApiService interface {
+	RouteGetAlertStatuses(*models.ReqContext) response.Response
+	RouteGetRuleStatuses(*models.ReqContext) response.Response
+}
+
+type PrometheusApiBase struct {
+	log log.Logger
+}
+
+func (api *API) RegisterPrometheusApiEndpoints(srv PrometheusApiService) {
+	api.RouteRegister.Group("", func(group routing.RouteRegister) {
+		group.Get(toMacaronPath("/prometheus/{DatasourceId}/api/v1/alerts"), routing.Wrap(srv.RouteGetAlertStatuses))
+		group.Get(toMacaronPath("/prometheus/{DatasourceId}/api/v1/rules"), routing.Wrap(srv.RouteGetRuleStatuses))
+	})
+}
+
+func (base PrometheusApiBase) RouteGetAlertStatuses(c *models.ReqContext) response.Response {
+	datasourceId := c.Params(":DatasourceId")
+	base.log.Info("RouteGetAlertStatuses: ", "DatasourceId", datasourceId)
+	return response.Error(http.StatusNotImplemented, "", nil)
+}
+
+func (base PrometheusApiBase) RouteGetRuleStatuses(c *models.ReqContext) response.Response {
+	datasourceId := c.Params(":DatasourceId")
+	base.log.Info("RouteGetRuleStatuses: ", "DatasourceId", datasourceId)
+	return response.Error(http.StatusNotImplemented, "", nil)
+}