From 16207edb77eef75903a007df6b2bd84cb4d5b943 Mon Sep 17 00:00:00 2001
From: Alexander_Kabui
Date: Tue, 10 Sep 2024 17:58:59 +0300
Subject: Implement  client side pagination for history page.

---
 gn2/wqflask/templates/gnqa_search_history.html | 24 ++++++++++++++++++++++++
 gn2/wqflask/views.py                           | 13 ++++++++++++-
 2 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/gn2/wqflask/templates/gnqa_search_history.html b/gn2/wqflask/templates/gnqa_search_history.html
index 8d54ad80..c12e7c93 100644
--- a/gn2/wqflask/templates/gnqa_search_history.html
+++ b/gn2/wqflask/templates/gnqa_search_history.html
@@ -47,6 +47,30 @@
                             {% endfor %}
                         </ul>
                     </div>
+                    <div class="row">
+                        <nav aria-label="Page navigation example"
+                             class="col-sm-8 col-sm-offset-2 col-md-6 col-md-offset-3">
+                            <ul class="pagination">
+                                {% for idx in range(1, num_pages) %}
+                                    {% if current == idx %}
+                                        <li class="page-item active">
+                                            <a class="page-link"
+                                               hx-swap="innerHTML"
+                                               hx-target="#swap"
+                                               hx-get="/gnqna/records?page={{ idx }}">{{ idx }}</a>
+                                        </li>
+                                    {% else %}
+                                        <li class="page-item">
+                                            <a class="page-link"
+                                               hx-swap="innerHTML"
+                                               hx-target="#swap"
+                                               hx-get="/gnqna/records?page={{ idx }}">{{ idx }}</a>
+                                        </li>
+                                    {% endif %}
+                                {% endfor %}
+                            </ul>
+                        </nav>
+                    </div>
                 </div>
             </div>
         </div>
diff --git a/gn2/wqflask/views.py b/gn2/wqflask/views.py
index bb086a84..ec252cab 100644
--- a/gn2/wqflask/views.py
+++ b/gn2/wqflask/views.py
@@ -16,6 +16,7 @@ import random
 import requests
 import sys
 import traceback
+import math
 import uuid
 import xlsxwriter
 
@@ -331,10 +332,20 @@ def get_gnqa_records():
                                **{"status_code": resp.status_code,
                                   **resp.json()})
 
+    def get_chunk(items, page, size):
+        start_idx = ((page-1) * size)
+        end_idx = (page*size)
+        return iter(items[start_idx:end_idx])
+
     def _success_(resp):
         response = resp.json()
+        page = int(request.args.get("page", 1))
+        pagination_size = int(request.args.get("max_size", 10))
+        prev_n_queries = get_chunk(response, page, pagination_size)
         return render_template("gnqa_search_history.html",
-                               prev_queries=response)
+                               prev_queries=prev_n_queries,
+                               num_pages=math.ceil(len(response)/pagination_size),
+                               current=page)
     token = session_info()["user"]["token"].either(
         lambda err: err, lambda tok: tok["access_token"])
     response_url = "/api/llm/search/records"
-- 
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