feat: add support for tt-rss api

config.default.toml

@@ -1,4 +1,5 @@
 [server]
+api = "googlereader"
 # (Required) URL of your server's Google Reader API endpoint
 # Can be set through the environment variable SERVER_URL.
 url = "https://rss.example.com/"
@@ -37,19 +38,35 @@ template = '''
     <article style="max-width:60rem; margin:auto; text-align:justify;">
         <p style="display:flex; flex-direction:row; justify-content:space-between;">
             <span>{{ published_formatted }}</span>
-            <span><a href="{{ origin_url }}">{{ origin_title }}</a></span>
+            <span>
+                {% if feed_url %}
+                    <a href="{{ feed_url }}">
+                {% endif %}
+                        {% if feed_icon_url %}
+                            <img style="height:1em;" src="{{ feed_icon_url }}">
+                        {% endif %}
+                        {{ feed_title }}
+                {% if feed_url %}
+                    </a>
+                {% endif %}
+            </span>
         </p>
-        <h1><a href="{{ canonical_url }}">{{ title }}</a></h1>
+        <h1><a href="{{ article_url }}">{{ title }}</a></h1>
         <h3>{{ author }}</h3>
-        <div>{{ summary | safe }}</div>
-        <div>{{ content | safe }}</div>
+        {% if content %}
+            <div>{{ content | safe }}</div>
+        {% else %}
+            <img src="{{ image_url }}">
+            <div>{{ summary | safe }}</div>
+        {% endif %}
     </article>
 </body>
 </html>
 '''
 # Filename template for generated HTML files.
 # Can be set through the environment variable HTML_FILENAME_TEMPLATE.
-filename_template = "[{{ origin_title }}]\t{{ title }} ({{ published_formatted }}).html"
+filename_template = "[{{ feed_title }}]\t{{ title }} ({{ published_formatted }}).html"
+category_template = "{{ title }}"
 # Maximum allowed filename length (in bytes assuming UTF-8 encoding) before truncating. Depending on your filesystem filename's limits it may be possible to increase the value, ask Wikipedia for details.
 # Can be set through the environment variable HTML_MAX_FILENAME_LENGTH.
 max_filename_length = 250