Initial Attachment Management

__init__.py

@@ -89,6 +89,11 @@ def render(request, text, attachment_target_path, next_anchor=''):
         return creole.creole2html(text)
 
 
+def url_delete(request, rel_path, next_anchor=''):
+    nxt = request.GET.get('next', request.get_full_path())
+    return reverse('mycreole-delete', kwargs={'rel_path': rel_path}) + '?next=%s' % nxt + ('' if not next_anchor else '#%s' % next_anchor)
+
+
 def url_upload(request, rel_path, next_anchor=''):
     nxt = request.GET.get('next', request.get_full_path())
     return reverse('mycreole-upload', kwargs={'rel_path': rel_path}) + '?next=%s' % nxt + ('' if not next_anchor else '#%s' % next_anchor)

context.py

@@ -1,11 +1,35 @@
+from django.utils.translation import gettext as _
+import logging
+from mycreole import url_upload
 from users.context import menubar as user_menubar
-import themes
+from patt.context import navigationbar
+from themes import color_icon_url
+
+try:
+    from config import APP_NAME as ROOT_LOGGER_NAME
+except ImportError:
+    ROOT_LOGGER_NAME = 'root'
+logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__)
+
+NEW_ATTACHMENT_UID = 'new_attachment'
 
 
-def context_adaption(context, request, title, **kwargs):
+def context_adaption(context, request, title, rel_path, **kwargs):
     context.set_additional_title(title)
     user_menubar(context[context.MENUBAR], request)
-    context[context.NAVIGATIONBAR].append_entry(*themes.empty_entry_parameters(request))
+    navigationbar(context, request)
-    context[context.ACTIONBAR].append_entry(*themes.empty_entry_parameters(request))
+    add_new(request, context[context.ACTIONBAR], rel_path, kwargs.get('next'))
     for key in kwargs:
         context[key] = kwargs[key]
+    logger.debug("context adapted: %s", repr(context))
+
+
+def add_new(request, bar, rel_path, nxt):
+    bar.append_entry(
+        NEW_ATTACHMENT_UID,                         # uid
+        _('New Attachment'),                        # name
+        color_icon_url(request, 'plus.png'),        # icon
+        url_upload(request, rel_path, nxt),         # url
+        True,                                       # left
+        False                                       # active
+    )

templates/mycreole/delete.html

@@ -0,0 +1,17 @@
+{% extends "themes/"|add:settings.page_theme|add:"/base.html" %}
+{% load static %}
+{% load i18n %}
+
+{% block content %}
+<h1>Delete Attachment</h1>
+Are you sure deleting {{ filename }}?
+
+    <form class="form" method="post">
+      {% csrf_token %}
+      <input type="hidden" name="next" value="{{ next }}">
+      <input type="submit" name="yes" value="{% trans "Yes" %}" class="button" />
+      <input type="submit" name="no" value="{% trans "No" %}" class="button" />
+    </form>
+
+
+{% endblock content %}

templates/mycreole/manageuploads.html

@@ -0,0 +1,29 @@
+{% extends "themes/"|add:settings.page_theme|add:"/base.html" %}
+{% load static %}
+{% load i18n %}
+
+{% block content %}
+
+      <h1>Attachments</h1>
+      <table>
+        <tbody>
+          <tr>
+          <th>Name</th>
+          <th>Size</th>
+          <th>Actions</th>
+          </tr>
+  {% for key, value in attachments.items %}
+          <tr>
+          <td>{{ key }}</td>
+          <td>{{ value.size }}</td>
+          <td>
+              {% for icon, url, alt in value.actions %}
+              <a href="{{ url }}"><img src="{{ icon }}" alt={{ alt }}></a>
+              {% endfor %}
+          </td>
+          </tr>
+  {% endfor %}
+        </tbody>
+      </table>
+
+{% endblock content %}

templates/mycreole/upload.html

@@ -5,6 +5,9 @@
     <form class="form" method="post" enctype="multipart/form-data">
       {% csrf_token %}
       <input type="hidden" name="next" value="{{ next }}">
+      {% if rel_path_is_directory %}
+      <p><label for="id_filename">Filename:</label> <input type="text" name="filename" maxlength="150" required id="id_filename"></p>
+      {% endif %}
       <label class="required" for="f_file">Upload</label>
       <input  class="required" required="required" type="file" name="file" id="f_file">
       <input type="submit" value="{% trans "Upload" %}" class="button" />

urls.py

@@ -5,5 +5,6 @@ from . import views
 urlpatterns = [
     path('attachment/<path:rel_path>', views.mycreole_attachment, name='mycreole-attachment'),
     path('upload/<path:rel_path>', views.mycreole_upload, name='mycreole-upload'),
+    path('delete/<path:rel_path>', views.mycreole_delete, name='mycreole-delete'),
     path('manageuploads/<path:rel_path>', views.mycreole_manageuploads, name='mycreole-manageuploads'),
 ]

views.py

@@ -2,11 +2,14 @@ from .context import context_adaption
 from django.conf import settings
 from django.shortcuts import render, redirect, HttpResponse
 from django.http import HttpResponseNotFound, HttpResponseForbidden
+import fstools
 import importlib
 import mimetypes
+from mycreole import url_upload, url_attachment, url_delete
 import logging
 import mycreole
 import os
+import stringtools
 import themes
 from django.contrib import messages
 
@@ -26,6 +29,13 @@ def get_method(import_string):
     return getattr(module, class_str)
 
 
+def get_next(request):
+    if not request.POST:
+        return request.GET.get('next', '/')
+    else:
+        return request.POST.get('next', '/')
+
+
 def access(access_type, request, rel_path):
     def log_warning(access_type, e):
         logger.warning('Could not import %s_access method for checking access rights: %s - %s', access_type, type(e).__name__, e)
@@ -66,10 +76,20 @@ def mycreole_upload(request, rel_path):
     if access('modify', request, rel_path):
         if not request.POST:
             context = themes.Context(request)
-            context_adaption(context, request, 'Upload %s' % rel_path, next=request.GET.get('next', '/'))
+            context_adaption(
+                context,
+                request,
+                'Upload %s' % rel_path,
+                os.path.dirname(rel_path),
+                rel_path_is_directory=os.path.isdir(mycreole.get_full_path(rel_path)),
+                next=request.GET.get('next', '/')
+            )
             return render(request, 'mycreole/upload.html', context=context)
         else:
+            filename = request.POST.get('filename')
             full_path = mycreole.get_full_path(rel_path)
+            if filename is not None:
+                full_path = os.path.join(full_path, filename)
             try:
                 os.makedirs(os.path.dirname(full_path), exist_ok=True)
             except PermissionError:
@@ -77,12 +97,81 @@ def mycreole_upload(request, rel_path):
             else:
                 with open(full_path, 'wb') as fh:
                     fh.write(request.FILES['file'].read())
+                messages.info(request, 'File %s successfully uploaded.' % os.path.basename(full_path))
             return redirect(request.POST.get('next', '/'))
     else:
         messages.error(request, "Upload: Access denied!")
         return redirect(request.GET.get('next', '/'))
 
 
+def mycreole_delete(request, rel_path):
+    context = themes.Context(request)      # needs to be executed first because of time mesurement
+    nxt = get_next(request)
+    modify_access = access('modify', request, rel_path)
+    full_path = mycreole.get_full_path(rel_path)
+    if not modify_access:
+        messages.error(request, 'Detele Attachment: Access denied!')
+    else:
+        if not request.POST:
+            context_adaption(
+                context,
+                request,
+                'Delete %s' % os.path.basename(rel_path),
+                os.path.dirname(rel_path),
+                next=nxt,
+                filename=os.path.basename(rel_path)
+            )
+            return render(request, 'mycreole/delete.html', context=context)
+        else:
+            if request.POST.get('yes') is not None:
+                try:
+                    os.remove(full_path)
+                except Exception:
+                    messages.error(request, 'Error while deleting file from filesystem.')
+                    logger.exception('Fatal error while deleting Attachment!')
+                else:
+                    messages.info(request, "Attachment %s deleted..." % os.path.basename(full_path))
+            else:
+                messages.info(request, 'Delete request aborded.')
+    return redirect(nxt)
+
+
 def mycreole_manageuploads(request, rel_path):
-    messages.error(request, 'Manage Uploads: Not yet implemented!')
+    context = themes.Context(request)      # needs to be executed first because of time mesurement
-    return redirect(request.GET.get('next', '/'))
+    nxt = get_next(request)
+    read_access = access('read', request, rel_path)
+    modify_access = access('modify', request, rel_path)
+    #
+    if not read_access:
+        messages.error(request, "Manageupload: Access denied!")
+        return redirect(nxt)
+
+    basepath = mycreole.get_full_path(rel_path)
+    if not os.path.exists(basepath):
+        logger.info('Creating path for attachments: %s', basepath)
+        fstools.mkdir(basepath)
+    logger.debug("Searching for files in %s", basepath)
+    attachments = {}
+    for file in fstools.filelist(basepath):
+        filename = os.path.basename(file)
+        actions = []
+        if modify_access:
+            actions.append((themes.gray_icon_url(request, 'delete.png'), url_delete(request, os.path.join(rel_path, filename)), 'delete'))
+            actions.append((themes.gray_icon_url(request, 'shuffle.png'), url_upload(request, os.path.join(rel_path, filename)), 'replace'))
+            actions.append((themes.gray_icon_url(request, 'view.png'), url_attachment(os.path.join(rel_path, filename)), 'view'))
+        attachments[filename] = {
+            'size': stringtools.physical_value_repr(os.path.getsize(file), 'B'),
+            'modify_access': modify_access,
+            'actions': actions,
+        }
+    logger.debug("%d attachments detected: %s", len(attachments), ', '.join(attachments.keys()))
+    #
+    mycreole.context.context_adaption(
+        context,
+        request,
+        'Manageuploads for %s' % rel_path,
+        rel_path,
+        next=nxt,
+        attachments=attachments
+    )
+    return render(request, 'mycreole/manageuploads.html', context=context)