View для подбора записей блога [closes #25]

flatfilecms/models.py

@@ -70,7 +70,7 @@ class Folder(dict):
     def __init__(self, name, parent, path):
         self.path = path
         self.name = name
-        self.parent = parent
+        self.__parent__ = parent
         if parent is not None:
             self.data_path = parent.data_path
         for entry in AssetResolver().resolve(path).listdir():
@@ -101,16 +101,17 @@ class Folder(dict):
         self[path.name] = Folder(path.name, self, asset)
 
     def walk(self):
-        for item in self.values():
-            yield item
+        for name, item in self.items():
+            yield name, item
             if isinstance(item, Folder):
-                yield from item.walk()
+                for subname, subitem in item.walk():
+                    yield f"{name}/{subname}", subitem
 
 
 class Document(object):
     def __init__(self, name, parent, path):
         self.name = name
-        self.parent = parent
+        self.__parent__ = parent
         self.path = path
         self.data_path = parent.data_path
 

flatfilecms/views/__init__.py

@@ -1,5 +1,7 @@
 from pyramid.httpexceptions import HTTPFound
+from pyramid.traversal import (find_root, find_resource)
 
+from flatfilecms.models import (YAML, Markdown)
 
 def redirect(self, url):
     return HTTPFound(location=url)
@@ -7,3 +9,14 @@ def redirect(self, url):
 
 def set_content_type(self, content_type):
     self.request.response.content_type = content_type
+
+
+def blog(self, options):
+    path = options.get('base', '/')
+    root = find_root(self.context)
+    tree = find_resource(root, path)
+    postlist = []
+    for name, item in tree.walk():
+        if isinstance(item, (YAML, Markdown)) and 'published' in item.page:
+            postlist.append((f"{path}/{name}", item))
+    self.pages = sorted(postlist, key=lambda t: t[1].page['published'])

tests/pages/blog/blogpost1.md

@@ -2,6 +2,7 @@
 title: Блоговая запись 1 в формате markdown
 description: Тест записей блогов
 template: blogpost
+published: 2019-02-01
 ---
 
 Hello World!

tests/pages/blog/blogpost2.yaml

@@ -1,3 +1,4 @@
 title: Блоговая запись 2 в формате YAML
 template: blogpost
+published: 2019-02-02
 content: Hello World! 2

tests/pages/blog/index.yaml

@@ -0,0 +1,4 @@
+view:
+  - flatfilecms.views.blog:
+      base: /blog
+template: bloglist

tests/pages/blog/noblogpost.md

@@ -0,0 +1,7 @@
+---
+title: Не блоговая запись
+description: Тест записей блогов
+template: blogpost
+---
+
+Hello World!

tests/test_pages.py

@@ -60,3 +60,16 @@ def test_views(pages, fake_request, config):
     view = PagesView(pages['views'], fake_request)
     assert view.process_yaml().text == \
         'Hello World! View1 View2 View3(a:1, b:2)'
+
+
+def test_blogindex(pages, fake_request, config):
+    from flatfilecms.views import blog
+    from flatfilecms.views.pages import PagesView
+    fake_view_object = PagesView(pages['blog']['index'], fake_request)
+    blog(fake_view_object, {'base': '/blog'})
+    assert hasattr(fake_view_object, 'pages')
+    assert isinstance(fake_view_object.pages, list)
+    assert len(fake_view_object.pages) == 2
+    assert fake_view_object.pages[0][0] == '/blog/blogpost1' and \
+        fake_view_object.pages[1][0] == '/blog/blogpost2'
+