Plugins: Plugin Store API returns DTO model (#41340)

* toying around

* fix refs

* remove unused fields

* go further

* add context

* ensure streaming handler is set

pkg/api/fakes.go

@@ -1,17 +1,34 @@
 package api
 
-import "github.com/grafana/grafana/pkg/plugins"
+import (
+	"context"
+
+	"github.com/grafana/grafana/pkg/plugins"
+)
 
 type fakePluginStore struct {
 	plugins.Store
+
+	plugins map[string]plugins.PluginDTO
 }
 
-func (ps *fakePluginStore) Plugin(pluginID string) *plugins.Plugin {
-	return nil
+func (pr fakePluginStore) Plugin(_ context.Context, pluginID string) (plugins.PluginDTO, bool) {
+	p, exists := pr.plugins[pluginID]
+
+	return p, exists
 }
 
-func (ps *fakePluginStore) Plugins(pluginType ...plugins.Type) []*plugins.Plugin {
-	return nil
+func (pr fakePluginStore) Plugins(_ context.Context, pluginTypes ...plugins.Type) []plugins.PluginDTO {
+	var result []plugins.PluginDTO
+	for _, v := range pr.plugins {
+		for _, t := range pluginTypes {
+			if v.Type == t {
+				result = append(result, v)
+			}
+		}
+	}
+
+	return result
 }
 
 type fakeRendererManager struct {