Display the current path location in the "Codebase" panel #1158 (#1173)

Signed-off-by: tdruez <tdruez@nexb.com>

Author: tdruez

CHANGELOG.rst

@@ -1,6 +1,12 @@
 Changelog
 =========
 
+v34.5.0 (unreleased)
+--------------------
+
+- Display the current path location in the "Codebase" panel as a navigation breadcrumbs.
+  https://github.com/nexB/scancode.io/issues/1158
+
 v34.4.0 (2024-04-22)
 --------------------
 

scanpipe/templates/scanpipe/panels/project_codebase.html

@@ -1,10 +1,24 @@
 <nav id="codebase-navigation" class="panel is-info">
   <p class="panel-heading py-2 is-size-6">
     Codebase
+    {% if current_dir and current_dir != "." %}
+      <span class="tag ml-2">
+        {% for dir_name, full_path in codebase_breadcrumbs.items %}
+          {% if not forloop.last %}
+            <a href="#" hx-target="#codebase-navigation" hx-swap="outerHTML" hx-get="{{ project_details_url }}codebase/?current_dir={{ full_path }}">
+              {{ dir_name }}
+            </a>
+            <span class="mr-1">/</span>
+          {% else %}
+            {{ dir_name }}/
+          {% endif %}
+        {% endfor %}
+      </span>
+    {% endif %}
   </p>
   {% for node in codebase_tree %}
     {% if node.is_dir %}
-       <a class="panel-block" href="#" hx-target="#codebase-navigation" hx-swap="outerHTML" hx-get="{{ project.get_absolute_url }}codebase/?current_dir={{ node.location }}">
+       <a class="panel-block" href="#" hx-target="#codebase-navigation" hx-swap="outerHTML" hx-get="{{ project_details_url }}codebase/?current_dir={{ node.location }}">
          <span class="panel-icon"><i class="fa-solid fa-folder"></i></span>
          {{ node.name }}
       </a>

scanpipe/views.py

@@ -1033,6 +1033,19 @@ def get_node(name, is_dir, location):
 
         return tree
 
+    @staticmethod
+    def get_breadcrumbs(current_dir):
+        breadcrumbs = {}
+        path_segments = current_dir.removeprefix("./").split("/")
+        last_path = ""
+
+        for segment in path_segments:
+            if segment:
+                last_path += f"{segment}/"
+                breadcrumbs[segment] = last_path
+
+        return breadcrumbs
+
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         current_dir = self.request.GET.get("current_dir") or "."
@@ -1046,6 +1059,9 @@ def get_context_data(self, **kwargs):
 
         context["current_dir"] = current_dir
         context["codebase_tree"] = codebase_tree
+        context["codebase_breadcrumbs"] = self.get_breadcrumbs(current_dir)
+        context["project_details_url"] = self.object.get_absolute_url()
+
         return context