From 2cba6d4d88266aa3626d4606f2a17460c7437270 Mon Sep 17 00:00:00 2001
From: citrons <citrons>
Date: Wed, 23 Jun 2021 08:47:09 +0000
Subject: make breadcrumb work

---
 apioforum/__init__.py                |  2 ++
 apioforum/db.py                      |  2 +-
 apioforum/forum.py                   | 13 +++++++++++--
 apioforum/templates/common.html      | 27 +++++++++++++++++++++++++++
 apioforum/templates/view_thread.html | 11 ++---------
 5 files changed, 43 insertions(+), 12 deletions(-)

diff --git a/apioforum/__init__.py b/apioforum/__init__.py
index 9d49f36..30dd813 100644
--- a/apioforum/__init__.py
+++ b/apioforum/__init__.py
@@ -47,6 +47,8 @@ def create_app():
             p += "?" + request.query_string.decode("utf-8")
         return dict(path_for_next=p)
 
+    app.jinja_env.globals.update(forum_path=forum.forum_path)
+
     from .mdrender import render
     @app.template_filter('md')
     def md_render(s):
diff --git a/apioforum/db.py b/apioforum/db.py
index 76aacc2..84f268d 100644
--- a/apioforum/db.py
+++ b/apioforum/db.py
@@ -91,7 +91,7 @@ CREATE TABLE forums (
     parent INTEGER REFERENCES forums(id),
     description TEXT
 );
-INSERT INTO forums (name,parent,description) values ('root',null,'the default root forum');
+INSERT INTO forums (name,parent,description) values ('apioforum',null,'the default root forum');
 
 PRAGMA foreign_keys = off;
 BEGIN TRANSACTION;
diff --git a/apioforum/forum.py b/apioforum/forum.py
index 09d3166..dadc8b3 100644
--- a/apioforum/forum.py
+++ b/apioforum/forum.py
@@ -11,14 +11,23 @@ from .mdrender import render
 
 from sqlite3 import OperationalError
 
-from sqlite3 import OperationalError
-
 bp = Blueprint("forum", __name__, url_prefix="/")
 
 @bp.route("/")
 def not_actual_index():
     return redirect("/1")
 
+def forum_path(forum_id):
+    db = get_db()
+    i = forum_id
+    path = []
+    while i != None:
+        forum = db.execute("SELECT * FROM forums WHERE id = ?",(i,)).fetchone()
+        path.append(forum)
+        i = forum['parent']
+    path.reverse()
+    return path
+
 @bp.route("/<int:forum_id>")
 def view_forum(forum_id):
     db = get_db()
diff --git a/apioforum/templates/common.html b/apioforum/templates/common.html
index 9301a49..b0bf713 100644
--- a/apioforum/templates/common.html
+++ b/apioforum/templates/common.html
@@ -39,3 +39,30 @@
 {% macro tag(the_tag) -%}
 <span class="tag" style="color: {{the_tag.text_colour}}; background-color: {{the_tag.bg_colour}}">{{the_tag.name}}</span>
 {%- endmacro %}
+
+{% macro breadcrumb() %}
+<nav aria-label="Breadcrumb">
+<ol class="breadcrumbs">
+	{{- caller() -}}
+</ol>
+</nav>
+{% endmacro %}
+
+{% macro forum_bc_entries(forum_id) -%}
+	{%- for f in forum_path(forum_id) -%}
+		<li><a href="{{url_for('forum.view_forum',forum_id=f.id)}}">{{ f.name }}</a></li>
+	{%- endfor %}
+{%- endmacro %}
+
+{% macro forum_breadcrumb(forum) %}
+	{%- call breadcrumb() %}
+		{{ forum_bc_entries(forum.id) }}
+	{% endcall -%}
+{% endmacro %}
+
+{% macro thread_breadcrumb(thread) %}
+	{%- call breadcrumb() %}
+		{{ forum_bc_entries(thread.forum) }}
+		<li>{{ thread.title }}</li>
+	{% endcall -%}
+{% endmacro %}
diff --git a/apioforum/templates/view_thread.html b/apioforum/templates/view_thread.html
index ded2d52..dd41d87 100644
--- a/apioforum/templates/view_thread.html
+++ b/apioforum/templates/view_thread.html
@@ -1,15 +1,8 @@
-{% from 'common.html' import disp_post,tag %}
+{% from 'common.html' import disp_post,tag,thread_breadcrumb %}
 {% extends 'base.html' %}
 {% block header %}
 <h1>{%block title %}{{thread.title}}{% endblock %}</h1>
-<nav aria-label="Breadcrumb">
-<ol class="breadcrumbs">
-    <li><a href="{{url_for('index')}}">apioforum</a></li>
-    <li><a href="#">the</a></li>
-    <li>the</li>
-</ol>
-</nav>
-    
+{{ thread_breadcrumb(thread) }}
 {% endblock %}
 
 {%block content%}
-- 
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