Fix pointer on index tab

redstring/library.py

@@ -0,0 +1,69 @@
+"""
+Logic for operations that depend on a whole collection of documents.
+"""
+import os
+
+from redstring.parser import load, TagOptions, DocumentTag, TabOptions, DocumentTab, Document
+
+
+def generate_index_document(directory: str) -> Document:
+    """
+    Generate a document describing a document collection.
+    """
+    categories: dict = {}
+
+    for filename in os.listdir(directory):
+        with open(os.path.join(directory, filename)) as f:
+            document: Document = load(f)
+
+        # Check if this document specifies a tab, and create it if necessary.
+        category = document.get_tag('category')
+        if not category:
+            category = 'index'
+        if category not in categories:
+            categories[category] = {}
+        category_tab = categories[category]
+
+        # Check if this document specifies a topic, and create it if necessary.
+        topic = document.get_tag('topic')
+        if not topic:
+            topic = 'uncategorized'
+        if '.' in topic:
+            topic, subtopic = topic.split('.', maxsplit=1)
+        else:
+            subtopic = None
+        if topic not in category_tab:
+            category_tab[topic] = []
+        topic_tag = category_tab[topic]
+
+        # Save the title and id.
+        doc_id = document.get_tag('id').value
+        if doc_title_tag := document.get_tag('title'):
+            doc_title = doc_title_tag.value
+        else:
+            doc_title = None
+
+        topic_tag.append((doc_id, doc_title))
+
+    # Build an index document
+    def document_link(info):
+        doc_id, doc_title = info
+        return (
+            f'<a href="/doc/{doc_id}">{doc_title} ({doc_id})</a>'
+            if doc_title else
+            f'<a href="/doc/{doc_id}">{doc_id}</a>'
+        )
+
+    built_tabs: list = []
+    for category in sorted(categories.keys()):
+        built_tags: list = []
+
+        for topic in sorted(categories[category].keys()):
+            docs = sorted(categories[category][topic], key=lambda x: x[0])
+            doc_links = map(document_link, docs)
+            value = '- ' + '<br>- '.join(doc_links)
+            built_tags.append(DocumentTag(topic, value, TagOptions(), []))
+
+        built_tabs.append(DocumentTab(category, built_tags, TabOptions()))
+
+    return Document(built_tabs)

redstring/parser.py

@@ -130,6 +130,12 @@ class DocumentTab:
         self.tags: List[DocumentTag] = tags
         self.options: TabOptions = options
 
+    def get_tag(self, name: str):
+        for tag in self.tags:
+            if tag.name == name:
+                return tag
+        return None
+
 
 class Document:
     """
@@ -141,6 +147,19 @@ class Document:
     def __iter__(self):
         return self.tabs.__iter__()
 
+    def get_tab(self, name: str):
+        for tab in self.tabs:
+            if tab.name == name:
+                return tab
+        return None
+
+    def get_tag(self, name: str):
+        for tab in self.tabs:
+            for tag in tab.tags:
+                if tag.name == name:
+                    return tag
+        return None
+
 
 #
 # Parsing functions

redstring/server.py

@@ -4,8 +4,17 @@ Logic for serving a collection of documents through a web frontend.
 import argparse
 import os
 
-from flask import Flask, redirect, url_for, current_app, render_template
+from flask import (
+    abort,
+    current_app,
+    Flask,
+    redirect,
+    render_template,
+    safe_join,
+    url_for,
+)
 
+from redstring.library import generate_index_document
 from redstring.parser import load
 
 
@@ -21,9 +30,18 @@ def root():
 
 @app.route('/index/')
 def index():
-    with open('scratch/test.json') as f:
-        document = load(f)
-    return render_template('doc.jinja', document=document)
+    document = generate_index_document(current_app.config['root'])
+    return render_template('doc.jinja', document=document, index=True)
+
+
+@app.route('/doc/<document_id>')
+def document(document_id):
+    doc_path = safe_join(current_app.config['root'], f'{document_id}.json')
+    if not os.path.isfile(doc_path):
+        return abort(404)
+    with open(doc_path) as f:
+        doc = load(f)
+    return render_template('doc.jinja', document=doc, index=False)
 
 
 def main():

redstring/templates/base.jinja

@@ -24,21 +24,30 @@
 	}
 
 	/* Tabs setup */
+	div#tabs {
+		display: flex;
+		width: 100%;
+	}
 	div.tab {
-		display: inline-block;
 		padding: 5px;
 		background-color: #333;
 		border-style: solid;
 		border-color: #888;
 		border-width: 2px 2px 0 2px;
 		border-radius: 10px 10px 0px 0px;
-		margin: 0 0 0 4px;
+		margin: 0 4px;
 		font-family: monospace;
 		font-weight: bold;
 		color: #888;
-		cursor: pointer;
 		user-select: none
 	}
+	div.tab a {
+		color: #888;
+		text-decoration: none;
+	}
+	div.tab-content {
+		cursor: pointer;
+	}
 	div.tab-down {
 		background-color: #333;
 		border-color: #bbb;
@@ -47,8 +56,7 @@
 		top: 2px;
 	}
 	div.tab-right {
-		float: right;
-		margin: 0 4px 0 0;
+		margin-left: auto;
 	}
 	div.tab-page {
 		width: 100%;

redstring/templates/doc.jinja

@@ -31,7 +31,7 @@ window.onload = function () {
 {% endblock page_scripts %}
 
 {% macro make_content_tab(tab, selected) -%}
-<div id="{{ tab.name }}" class="tab tab-content{% if selected %} tab-down{% endif %}" onclick="javascript:selectTab('{{ tab.name }}')">{{ tab.name }}</div>
+<div id="{{ tab.name }}" class="tab tab-content{% if selected %} tab-down{% endif %}{% if index %} tab-right{% endif %}" onclick="javascript:selectTab('{{ tab.name }}')">{{ tab.name }}</div>
 {%- endmacro %}
 
 {% macro make_tab_page(tab, selected) %}
@@ -64,6 +64,6 @@ window.onload = function () {
 
 {# TODO: tab.priority and tab.private support #}
 {% block page_content %}
-{% for tab in document %}{{ make_content_tab(tab, loop.first) }}{% endfor %}<a href="/index/"><div id="index" class="tab tab-right">index</div></a>
+<div id="tabs">{% for tab in document %}{{ make_content_tab(tab, loop.first) }}{% endfor %}{% if not index %}<div id="index" class="tab tab-right"><a href="/index/">index</a></div>{% endif %}</div>
 {% for tab in document %}{{ make_tab_page(tab, loop.first) }}{% endfor %}
 {% endblock page_content %}