Add Full copy feature

tracim/tracim/lib/content.py

         item: Content,
         new_parent: Content=None,
         new_label: str=None,
-        do_save: bool=True,
         do_notify: bool=True,
     ) -> None:
         if (not new_parent and not new_label) or (new_parent == item.parent and new_label == item.label):  # nopep8
         else:
             label = item.label
 
-        with DBSession.no_autoflush:
+        # INFO - G.M - 15-03-2018 - Copy content with first_revision
+        # to have consistent content
+        content = Content()
+        cpy_rev = ContentRevisionRO.copy(item.first_revision, parent)
+        content.revisions.append(cpy_rev)
+        DBSession.add(content)
+
+        # INFO - G.M - 15-03-2018 - Add all older revision (history)
+        for rev in item.revisions:
+            if rev == item.first_revision:
+                continue
+            cpy_rev = ContentRevisionRO.copy(rev, parent)
+            content.revisions.append(cpy_rev)
+            DBSession.add(content)
 
-            file = self.create(
-                content_type=item.type,
-                workspace=workspace,
-                parent=parent,
-                label=label,
-                do_save=False,
-            )
-            file.description = item.description
-            if item.depot_file:
-                self.update_file_data(
-                    file,
-                    item.file_name,
-                    item.file_mimetype,
-                    item.depot_file.file
-                )
-            for child in item.get_comments():
-                self.copy(child,
-                          new_parent=file,
-                          do_notify=False,
-                          do_save=False,
-                )
-        if do_save:
-            self.save(file, ActionDescription.CREATION, do_notify=do_notify)
+        # INFO - G.M - 15-03-2018 - copy childrens (comments and others things)
+        for child in item.children:
+            self.copy(child, content)
+
+        # INFO - GM - 15-03-2018 - add "copy" revision
+        content.new_revision()
+        content.parent = parent
+        content.workspace = workspace
+        content.label = label
+        content.revision_type = ActionDescription.MOVE
+        DBSession.add(content)
+        self.save(content, ActionDescription.MOVE, do_notify=do_notify)
 
     def move_recursively(self, item: Content,
                          new_parent: Content, new_workspace: Workspace):

tracim/tracim/model/data.py

 
         return new_rev
 
+    @classmethod
+    def copy(
+            cls,
+            revision: 'ContentRevisionRO',
+            parent: 'Content'
+    ) -> 'ContentRevisionRO':
+
+        copy_rev = cls()
+        import copy
+        copy_columns = cls._cloned_columns
+        for column_name in copy_columns:
+            # INFO - G-M - 15-03-2018 - set correct parent
+            if column_name == 'parent_id':
+                column_value = copy.copy(parent.id)
+            elif column_name == 'parent':
+                column_value = copy.copy(parent)
+            else:
+                column_value = copy.copy(getattr(revision, column_name))
+            setattr(copy_rev, column_name, column_value)
+
+        # copy attached_file
+        if revision.depot_file:
+            copy_rev.depot_file = FileIntent(
+                revision.depot_file.file.read(),
+                revision.file_name,
+                revision.file_mimetype,
+            )
+        return copy_rev
+
+
     def __setattr__(self, key: str, value: 'mixed'):
         """
         ContentRevisionUpdateError is raised if tried to update column and revision own identity