Handle pagination for the federated actions & followers responses (#1731)

* Add pagination for admin social list

* Use Paginated API for followers tab on frontend

controllers/admin/federation.go

@@ -160,12 +160,19 @@ func SetFederationBlockDomains(w http.ResponseWriter, r *http.Request) {
 
 // GetFederatedActions will return the saved list of accepted inbound
 // federated activities.
-func GetFederatedActions(w http.ResponseWriter, r *http.Request) {
-	activities, err := persistence.GetInboundActivities(100, 0)
+func GetFederatedActions(page int, pageSize int, w http.ResponseWriter, r *http.Request) {
+	offset := pageSize * page
+
+	activities, total, err := persistence.GetInboundActivities(pageSize, offset)
 	if err != nil {
 		controllers.WriteSimpleResponse(w, false, err.Error())
 		return
 	}
 
-	controllers.WriteResponse(w, activities)
+	response := controllers.PaginatedResponse{
+		Total:   total,
+		Results: activities,
+	}
+
+	controllers.WriteResponse(w, response)
 }

controllers/followers.go

@@ -7,12 +7,16 @@ import (
 )
 
 // GetFollowers will handle an API request to fetch the list of followers (non-activitypub response).
-func GetFollowers(w http.ResponseWriter, r *http.Request) {
-	followers, err := persistence.GetFederationFollowers(-1, 0)
+func GetFollowers(offset int, limit int, w http.ResponseWriter, r *http.Request) {
+	followers, total, err := persistence.GetFederationFollowers(limit, offset)
 	if err != nil {
 		WriteSimpleResponse(w, false, "unable to fetch followers")
 		return
 	}
 
-	WriteResponse(w, followers)
+	response := PaginatedResponse{
+		Total:   total,
+		Results: followers,
+	}
+	WriteResponse(w, response)
 }

controllers/pagination.go

@@ -0,0 +1,7 @@
+package controllers
+
+// PaginatedResponse is a structure for returning a total count with results.
+type PaginatedResponse struct {
+	Total   int         `json:"total"`
+	Results interface{} `json:"results"`
+}