feat: project RSS feed.

MANIFEST.in

@@ -1,3 +1,3 @@
 include *.rst
-recursive-include ihatemoney *.rst *.py *.yaml *.po *.mo *.html *.css *.js *.eot *.svg *.woff *.txt *.png *.webp *.ini *.cfg *.j2 *.jpg *.gif *.ico
+recursive-include ihatemoney *.rst *.py *.yaml *.po *.mo *.html *.css *.js *.eot *.svg *.woff *.txt *.png *.webp *.ini *.cfg *.j2 *.jpg *.gif *.ico *.xml
 include LICENSE CONTRIBUTORS CHANGELOG.rst

ihatemoney/models.py

@@ -453,7 +453,8 @@ def generate_token(self, token_type="auth"):
         """Generate a timed and serialized JsonWebToken
 
         :param token_type: Either "auth" for authentication (invalidated when project code changed),
-                        or "reset" for password reset (invalidated after expiration)
+                        or "reset" for password reset (invalidated after expiration),
+                        or "feed" for project feeds (invalidated when project code changed)
         """
 
         if token_type == "reset":
@@ -476,7 +477,8 @@ def verify_token(token, token_type="auth", project_id=None, max_age=3600):
 
         :param token: Serialized TimedJsonWebToken
         :param token_type: Either "auth" for authentication (invalidated when project code changed),
-                        or "reset" for password reset (invalidated after expiration)
+                        or "reset" for password reset (invalidated after expiration),
+                        or "feed" for project feeds (invalidated when project code changed)
         :param project_id: Project ID. Used for token_type "auth" to use the password as serializer
                         secret key.
         :param max_age: Token expiration time (in seconds). Only used with token_type "reset"

ihatemoney/templates/edit_project.html

@@ -36,6 +36,10 @@ <h2>{{ _("Download project's data") }}</h2>
             <h5 class="d-flex w-100 justify-content-between">
                 <span class="mb-1">{{ _('Bill items') }}</span>
                 <span>
+                    <a href="{{ url_for(".feed", token=g.project.generate_token("feed")) }}" download class="badge badge-secondary">
+                        <i class="icon before-text">{{ static_include("images/globe.svg") | safe }}</i>
+                        RSS
+                    </a>
                     <a href="{{ url_for('.export_project', file='bills', format='json') }}" download class="badge badge-secondary">
                         <i class="icon before-text">{{ static_include("images/file-alt.svg") | safe }}</i>
                         JSON

ihatemoney/templates/list_bills.html

@@ -44,6 +44,9 @@
 
 {% endblock %}
 
+{% block head %}
+    <link href="{{ url_for(".feed", token=g.project.generate_token("feed")) }}" type="application/rss+xml" rel="alternate" title="{{ g.project.name }}" />
+{% endblock %}
 
 {% block sidebar %}
     <div class="sidebar_content">

ihatemoney/templates/project_feed.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<rss version="2.0"
+    xmlns:dc="http://purl.org/dc/elements/1.1/"
+    xmlns:atom="http://www.w3.org/2005/Atom"
+    >
+    <channel>
+        <title>I Hate Money — {{ g.project.name }}</title>
+        <description>{% trans project_name=g.project.name %}Latest bills from {{ project_name }}{% endtrans %}</description>
+        <atom:link href="{{ url_for(".feed", token=g.project.generate_token("feed"), _external=True) }}" rel="self" type="application/rss+xml" />
+        <link>{{ url_for(".list_bills", _external=True) }}</link>
+        {% for (weights, bill) in bills.items -%}
+        <item>
+            <title>{{ bill.what }} - {{ bill.amount|currency(bill.original_currency) }}</title>
+            <guid isPermaLink="false">{{ bill.id }}</guid>
+            <dc:creator>{{ bill.payer }}</dc:creator>
+            {% if bill.external_link %}<link>{{ bill.external_link }}</link>{% endif -%}
+            <description>{{ bill.date|dateformat("long") }} - {{ bill.owers|join(', ', 'name') }} : {{ (bill.amount/weights)|currency(bill.original_currency) }}</description>
+            <pubDate>{{ bill.creation_date.strftime("%a, %d %b %Y %T") }} +0000</pubDate>
+        </item>
+        {% endfor -%}
+    </channel>
+</rss>