Add the previous/next year/month links to the month view

calsocial/__init__.py

@@ -18,7 +18,7 @@ from datetime import datetime
 from functools import wraps
 import os
 
-from flask import Flask, current_app, redirect, render_template, url_for
+from flask import Flask, current_app, redirect, render_template, request, url_for
 from flask_babelex import Babel, get_locale as babel_get_locale
 from flask_security import SQLAlchemyUserDatastore, current_user, login_required
 
@@ -40,8 +40,12 @@ def get_locale():
 
 
 def template_vars():
+    now = datetime.utcnow()
+
     return {
         'lang': babel_get_locale().language,
+        'now': now,
+        'now_ts': now.timestamp(),
     }
 
 
@@ -94,7 +98,12 @@ class CalendarSocialApp(Flask):
         if not current_user.is_authenticated:
             return render_template('welcome.html')
 
-        calendar = GregorianCalendar(datetime.utcnow().timestamp())
+        try:
+            timestamp = datetime.fromtimestamp(float(request.args.get('date')))
+        except TypeError:
+            timestamp = datetime.utcnow()
+
+        calendar = GregorianCalendar(timestamp.timestamp())
 
         return render_template('index.html', calendar=calendar)