From 34be2cc964cb9f284700b48b2e4c3a00438dc91f Mon Sep 17 00:00:00 2001
From: Kleissner <peter@kleissner.investments>
Date: Fri, 14 Oct 2022 16:28:43 +0200
Subject: [PATCH] webapi: /explore optional &offset= parameter which does not
 make sense to be used

---
 webapi/Search.go        |  5 +++--
 webapi/Shared Recent.go | 11 ++++++++---
 webapi/readme.md        |  2 +-
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/webapi/Search.go b/webapi/Search.go
index 0e61360..1b7c7b5 100644
--- a/webapi/Search.go
+++ b/webapi/Search.go
@@ -349,11 +349,12 @@ func (api *WebapiInstance) apiSearchStatistic(w http.ResponseWriter, r *http.Req
 apiExplore returns recently shared files in Peernet. Results are returned in real-time. The file type is an optional filter. See TypeX.
 Special type -2 = Binary, Compressed, Container, Executable. This special type includes everything except Documents, Video, Audio, Ebooks, Picture, Text.
 
-Request:    GET /explore?limit=[max records]&type=[file type]
+Request:    GET /explore?limit=[max records]&type=[file type]&offset=[offset]
 Result:     200 with JSON structure SearchResult. Check the field status.
 */
 func (api *WebapiInstance) apiExplore(w http.ResponseWriter, r *http.Request) {
 	r.ParseForm()
+	offset, _ := strconv.Atoi(r.Form.Get("offset"))
 	limit, err := strconv.Atoi(r.Form.Get("limit"))
 	if err != nil {
 		limit = 100
@@ -363,7 +364,7 @@ func (api *WebapiInstance) apiExplore(w http.ResponseWriter, r *http.Request) {
 		fileType = -1
 	}
 
-	resultFiles := api.queryRecentShared(api.backend, fileType, uint64(limit*20/100), uint64(limit))
+	resultFiles := api.queryRecentShared(api.backend, fileType, uint64(limit*20/100), uint64(offset), uint64(limit))
 
 	var result SearchResult
 	result.Files = []apiFile{}
diff --git a/webapi/Shared Recent.go b/webapi/Shared Recent.go
index a4055db..73cb9f7 100644
--- a/webapi/Shared Recent.go	
+++ b/webapi/Shared Recent.go	
@@ -13,7 +13,7 @@ import (
 )
 
 // queryRecentShared returns recently shared files on the network from random peers until the limit is reached.
-func (api *WebapiInstance) queryRecentShared(backend *core.Backend, fileType int, limitPeer, limitTotal uint64) (files []blockchain.BlockRecordFile) {
+func (api *WebapiInstance) queryRecentShared(backend *core.Backend, fileType int, limitPeer, offsetTotal, limitTotal uint64) (files []blockchain.BlockRecordFile) {
 	if limitPeer == 0 {
 		limitPeer = 1
 	}
@@ -50,13 +50,18 @@ func (api *WebapiInstance) queryRecentShared(backend *core.Backend, fileType int
 
 					// found a new file! append.
 					if filesFromPeer < limitPeer {
+						filesFromPeer++
+
+						if offsetTotal > 0 {
+							offsetTotal--
+							continue
+						}
+
 						files = append(files, file)
 
 						if uint64(len(files)) >= limitTotal {
 							return
 						}
-
-						filesFromPeer++
 					} else if uint64(len(filesSeconday)) < limitTotal-uint64(len(files)) {
 						filesSeconday = append(filesSeconday, file)
 					} else {
diff --git a/webapi/readme.md b/webapi/readme.md
index 2c9970b..68c1427 100644
--- a/webapi/readme.md
+++ b/webapi/readme.md
@@ -920,7 +920,7 @@ Result:     200 with JSON structure apiResponseDownloadStatus (using APIStatus a
 This returns recently shared files in Peernet. Results are returned in real-time. The file type is an optional filter.
 
 ```
-Request:    GET /explore?limit=[max records]&type=[file type]
+Request:    GET /explore?limit=[max records]&type=[file type]&offset=[offset]
 Result:     200 with JSON structure SearchResult. Check the field status.
 ```