markup: add autosave dir for accidental my cats writes

markup/webdav.py

@@ -58,6 +58,8 @@ def resource_factory(**kwargs):
         return MarkupResource(**kwargs)
     elif path == ReadmeResource.PATH:
         return ReadmeResource(**kwargs)
+    elif is_autosave_path(path):
+        return AutosaveResource(**kwargs)
     else:
         return NonsensicalResource(**kwargs)
 
@@ -67,6 +69,9 @@ def is_my_cats_catalog(path):
 def is_markup_catalog(path):
     return re.search(fr'^{MarkupResource.PATH}', path, re.I)
 
+def is_autosave_path(path):
+    return re.search(fr'^{AutosaveResource.PATH}', path, re.I)
+
 
 class MarkupDavResource(MetaEtagMixIn, BaseDavResource):
 
@@ -91,7 +96,8 @@ class RootFolderResource(MarkupDavResource):
     def get_children(self):
         children = [CatalogFolderResource(user=self.user),
                     MarkupResource(user=self.user),
-                    ReadmeResource(user=self.user)
+                    ReadmeResource(user=self.user),
+                    AutosaveResource(user=self.user)
         ]
         for child in children:
             yield child
@@ -226,10 +232,9 @@ class CatalogResource(MarkupDavResource):
         os.rename(self.get_abs_path(), destination.get_abs_path())
 
     def write(self, request, temp_file=None, range_start=None):
-        autosave_path = url_join(MarkupResource.PATH, 'Autosave', self.path[-1])
-        autosave = MarkupResource(path=autosave_path, user=self.user)
+        autosave_path = url_join(AutosaveResource.PATH, self.path[-1])
+        autosave = AutosaveResource(path=autosave_path, user=self.user)
         autosave_dir = autosave.get_abs_path()
-        log.debug(f'autosave_dir: {autosave_dir}')
         ensure_dir(dirname(autosave_dir))
         return autosave.write(request, temp_file=None, range_start=None)
 
@@ -269,7 +274,6 @@ class MarkupResource(MarkupDavResource, DummyFSDAVResource):
         base_dir = os.path.join(get_markup_user_path(self.user), self.SUBDIR)
         ensure_dir(base_dir)
         path = os.path.join(base_dir, *self.path[1:])
-        # log.debug(f'markup: get abs path for {self.path}: base {base_dir}')
         return path
 
     def write(self, request, temp_file=None, range_start=None):
@@ -349,3 +353,40 @@ class ReadmeResource(MarkupDavResource, DummyFSDAVResource):
     def get_abs_path(self):
         return os.path.join(BASE_DIR, 'markup', self.NAME)
 
+
+class AutosaveResource(MarkupDavResource, DummyFSDAVResource):
+    NAME = 'Autosave'
+    PATH = f'/{NAME}/'
+    SUBDIR = 'autosave'
+
+    def __init__(self, path=PATH, user=None):
+        super().__init__(path=path, user=user)
+
+    def get_parent(self):
+        parent_path = self.path[:-1]
+        if len(parent_path):
+            return AutosaveResource(path=self.construct_path(parent_path, True), user=self.user)
+        else:
+            return RootFolderResource(user=self.user)
+
+    def get_children(self):
+        path = self.get_abs_path()
+        if os.path.isdir(path):
+            for child in os.listdir(path):
+                is_unicode = isinstance(child, str)
+                if not is_unicode:
+                    child = child.decode(fs_encoding)
+                yield AutosaveResource(path=url_join(*(self.path + [child])), user=self.user)
+
+    def get_abs_path(self):
+        base_dir = os.path.join(get_markup_user_path(self.user), self.SUBDIR)
+        ensure_dir(base_dir)
+        path = os.path.join(base_dir, *self.path[1:])
+        return path
+
+    def write(self, request, temp_file=None, range_start=None):
+        super().write(request, temp_file=temp_file, range_start=range_start)
+        process_markup_pdf.delay(self.get_abs_path(), self.user.username)
+
+    def get_acl(self):
+        return FullAcl()