From a0eb6cf4de80c2596728ea50c780daa6a013ffe2 Mon Sep 17 00:00:00 2001
From: Luka Hietala <luka.hietala08@gmail.com>
Date: Tue, 18 Nov 2025 20:18:16 +0200
Subject: [PATCH] add simple pagination for commits

---
 app.py                 | 12 +++++++++---
 git/commit.py          |  8 ++++++--
 git/ref.py             |  1 +
 templates/commits.html |  8 ++++++++
 4 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/app.py b/app.py
index a05ebd4..487b947 100644
--- a/app.py
+++ b/app.py
@@ -15,9 +15,15 @@ def index():
 @app.route("/<repo_name>/commits")
 def repo_commits(repo_name):
     ref = request.args.get('ref', 'HEAD')
-
-    commits = get_commits(f"{repo_path}/{repo_name}", ref=ref, max_count=50)
-    return render_template("commits.html", repo_name=repo_name, commits=commits)
+    page = int(request.args.get('page', 0))
+    # maybe pages are not the wisest way to do this?
+    per_page = 50
+    skip = page * per_page
+
+    commits = get_commits(f"{repo_path}/{repo_name}", ref=ref, max_count=per_page, skip=skip)
+    has_next = len(commits) == per_page
+    has_prev = page > 0
+    return render_template("commits.html", repo_name=repo_name, commits=commits, page=page, has_next=has_next, has_prev=has_prev, ref=ref)
 
 @app.route("/<repo_name>/commits/<commit_hash>")
 def commit_detail(repo_name, commit_hash):
diff --git a/git/commit.py b/git/commit.py
index 96b8cdd..5607e8c 100644
--- a/git/commit.py
+++ b/git/commit.py
@@ -1,14 +1,18 @@
 import pygit2 as git
 
 # retrieves commit history for given repo path and reference
-def get_commits(path, ref="HEAD", max_count=None):
+def get_commits(path, ref="HEAD", max_count=None, skip=0):
     repo = git.Repository(path)
     commits = []
     walker = repo.walk(repo.revparse_single(ref).id, git.GIT_SORT_TIME)
 
     n = 0
     for commit in walker:
-        if max_count is not None and n >= max_count:
+        # pagination, 50 per page, walk until skip, then collect commits until max_count
+        if n < skip:
+            n += 1
+            continue
+        if max_count is not None and (n - skip) >= max_count:
             break
         if len(commit.parents) > 0:
             # get diif stats against first parent
diff --git a/git/ref.py b/git/ref.py
index 4e21555..1283bed 100644
--- a/git/ref.py
+++ b/git/ref.py
@@ -1,5 +1,6 @@
 import pygit2 as git
 
+# retrieves all refs (branches, tags) for given repo path
 def get_refs(path):
     repo = git.Repository(path)
     refs = []
diff --git a/templates/commits.html b/templates/commits.html
index bb9ecdf..f9d63f7 100644
--- a/templates/commits.html
+++ b/templates/commits.html
@@ -7,4 +7,12 @@
             </li>
         {% endfor %}
     </ul>
+    <div>
+        {% if has_prev %}
+            <a href="{{ url_for('repo_commits', repo_name=repo_name, page=page-1, ref=ref) }}">Previous</a>
+        {% endif %}
+        {% if has_next %}
+            <a href="{{ url_for('repo_commits', repo_name=repo_name, page=page+1, ref=ref) }}">Next</a>
+        {% endif %}
+    </div>
 {% endblock %}
\ No newline at end of file
-- 
2.47.3