From 0e3e8dc9885caf72e923eb6d1bd4bb476ed1e55d Mon Sep 17 00:00:00 2001
From: Kleissner <peter@kleissner.investments>
Date: Wed, 1 Jun 2022 17:09:42 +0200
Subject: [PATCH] Webapi: Implement pagination for /search/result by adding
 optional &offset= parameter

---
 webapi/Search.go |  9 ++++++++-
 webapi/readme.md | 17 +++++++++--------
 2 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/webapi/Search.go b/webapi/Search.go
index 1a0a2e8..0e61360 100644
--- a/webapi/Search.go
+++ b/webapi/Search.go
@@ -122,6 +122,7 @@ Optional parameters:
 			&sizemin=[Minimum file size]
 			&sizemax=[Maximum file size]
 			&sort=[sort order]
+			&offset=[absolute offset] with &limit=[records] to get items pagination style. Returned items (and ones before) are automatically frozen.
 Result:     200 with JSON structure SearchResult. Check the field status.
 */
 func (api *WebapiInstance) apiSearchResult(w http.ResponseWriter, r *http.Request) {
@@ -135,6 +136,7 @@ func (api *WebapiInstance) apiSearchResult(w http.ResponseWriter, r *http.Reques
 	if err != nil {
 		limit = 100
 	}
+	offset, errOffset := strconv.Atoi(r.Form.Get("offset"))
 
 	// find the job ID
 	job := api.JobLookup(jobID)
@@ -159,7 +161,12 @@ func (api *WebapiInstance) apiSearchResult(w http.ResponseWriter, r *http.Reques
 	}
 
 	// query all results
-	resultFiles := job.ReturnNext(limit)
+	var resultFiles []*apiFile
+	if errOffset == nil {
+		resultFiles = job.ReturnResult(offset, limit)
+	} else {
+		resultFiles = job.ReturnNext(limit)
+	}
 
 	var result SearchResult
 	result.Files = []apiFile{}
diff --git a/webapi/readme.md b/webapi/readme.md
index f5e9da1..2c9970b 100644
--- a/webapi/readme.md
+++ b/webapi/readme.md
@@ -688,14 +688,15 @@ Note that the date format for the `&from=` and `&to=` parameters is "2006-01-02
 
 ```
 Request:    GET /search/result?id=[UUID]&limit=[max records]
-            Optional parameters:
-            &reset=[0|1] to reset the filters or sort orders with any of the below parameters (all required):
-            &filetype=[File Type]
-            &fileformat=[File Format]
-            &from=[Date From]&to=[Date To]
-            &sizemin=[Minimum file size]
-            &sizemax=[Maximum file size]
-            &sort=[sort order]
+Optional parameters:
+			&reset=[0|1] to reset the filters or sort orders with any of the below parameters (all required):
+			&filetype=[File Type]
+			&fileformat=[File Format]
+			&from=[Date From]&to=[Date To]
+			&sizemin=[Minimum file size]
+			&sizemax=[Maximum file size]
+			&sort=[sort order]
+			&offset=[absolute offset] with &limit=[records] to get items pagination style. Returned items (and ones before) are automatically frozen.
 Result:     200 with JSON structure SearchResult. Check the field status.
 ```