3 files changed, 136 insertions(+), 1 deletions(-)

M gitsrht/blueprints/repo.py
A gitsrht/templates/contributors.html
M gitsrht/templates/repo.html

@@ 4,11 4,13 @@ import pygit2
 import pygments
 import sys
 import subprocess
-from datetime import datetime, timedelta
+from collections import defaultdict
+from datetime import date, datetime, timedelta
 from jinja2 import Markup
 from flask import Blueprint, render_template, abort, send_file, request
 from flask import Response, redirect, url_for
 from flask_login import current_user
+from functools import lru_cache
 from gitsrht.access import get_repo, has_access, UserAccess
 from gitsrht.editorconfig import EditorConfig
 from gitsrht.redis import redis


@@ 469,3 471,73 @@ def ref(owner, repo, ref):
             abort(404)
         return render_template("ref.html", view="refs",
                 owner=owner, repo=repo, git_repo=git_repo, tag=tag)
+
+def _week(time):
+    """Used to group contributions by week"""
+    return time.strftime('%Y/%W')
+
+@lru_cache(maxsize=256)
+def _user(email):
+    """Used to grouped contributions by either username or email."""
+    email = email.lower()
+    user = User.query.filter_by(email=email).one_or_none()
+    return (None, user.username) if user else (email, None)
+
+def get_contributions(git_repo, tip, since):
+    contributions = defaultdict(lambda: {
+        "commits": 0,
+        "weekly": defaultdict(lambda: 0)
+    })
+
+    since_ts = since.timestamp()
+    for commit in git_repo.walk(tip.id, pygit2.GIT_SORT_TIME):
+        timestamp = commit.commit_time + commit.commit_time_offset
+        if timestamp < since_ts:
+            break
+
+        week = _week(datetime.fromtimestamp(timestamp))
+        user = _user(commit.author.email)
+        contributions[user]['commits'] += 1
+        contributions[user]['weekly'][week] += 1
+
+    return contributions
+
+def get_contrib_chart_data(contributions):
+    # Max number of commits by a contributor in a single week
+    max_commits = max(
+        max(commits for _, commits in data['weekly'].items())
+        for _, data in contributions.items())
+
+    all_weeks = [_week(date.today() - timedelta(weeks=51 - n))
+        for n in range(52)]
+
+    def bars(contributions):
+        bars = list()
+        for ordinal, week in enumerate(all_weeks):
+            if week in contributions:
+                week_commits = contributions[week]
+                bars.append({
+                    "ordinal": ordinal,
+                    "week": week,
+                    "commits": week_commits,
+                    "height": 100 * week_commits // max_commits
+                })
+        return bars
+
+    chart_data = [(email, username, data['commits'], bars(data['weekly']))
+        for (email, username), data in contributions.items()]
+    return sorted(chart_data, key=lambda x: x[2], reverse=True)
+
+@repo.route("/<owner>/<repo>/contributors")
+def contributors(owner, repo):
+    owner, repo = get_repo_or_redir(owner, repo)
+    since = datetime.now() - timedelta(weeks=52)
+
+    with GitRepository(repo.path) as git_repo:
+        default_branch = git_repo.default_branch()
+        tip = git_repo.get(default_branch.target)
+        contributions = get_contributions(git_repo, tip, since)
+        chart_data = get_contrib_chart_data(contributions)
+
+    return render_template("contributors.html", view="contributors",
+        owner=owner, repo=repo, chart_data=chart_data)

@@ 0,0 1,58 @@
+{% extends "repo.html" %}
+
+{% block title %}
+<title>
+  {{repo.owner.canonical_name}}/{{repo.name}} contributors
+  - {{cfg("sr.ht", "site-name")}} git
+</title>
+{% endblock %}
+
+{% block head %}
+  <style type="text/css">
+    svg { background-color: WhiteSmoke }
+    rect { fill: #007bff }
+    rect:hover { fill: #dc3545 }
+  </style>
+{% endblock %}
+
+{% block content %}
+<div class="container">
+  <p>Contributions in the last 52 weeks</p>
+
+  <div class="row">
+  {% for email, username, commits, bars in chart_data %}
+    <div class="col-md-6">
+      <h3>
+        {% if username %}
+          <a href="{{ url_for('public.user_index', username=username) }}">
+            ~{{ username }}
+          </a>
+        {% else %}
+          {{ email }}
+        {% endif %}
+      </h3>
+
+      <svg
+        version="1.1"
+        baseProfile="full"
+        viewBox="0 0 520 100"
+        xmlns="http://www.w3.org/2000/svg"
+      >
+        {% for bar in bars %}
+          <rect
+            x="{{ bar.ordinal * 10 }}"
+            y="{{ 100 - bar.height }}%"
+            width="10"
+            height="{{ bar.height }}%"
+          >
+            <title>{{ bar.commits }} commits in week {{ bar.week }}</title>
+          </rect>
+        {% endfor %}
+      </svg>
+
+      <p>Commits: {{ commits }}</p>
+    </div>
+  {% endfor %}
+  </div>
+</div>
+{% endblock %}

@@ 35,6 35,11 @@
             owner=repo.owner.canonical_name,
             repo=repo.name), "refs")}}
         </li>
+        <li class="nav-item">
+          {{link(url_for("repo.contributors",
+            owner=repo.owner.canonical_name,
+            repo=repo.name), "contributors")}}
+        </li>
         {% if current_user.id == repo.owner_id %}
         <li class="nav-item">
           {{link(url_for("manage.settings_info",