Summary: Ref T6403. This was actually simple stuff.
Test Plan: changed the edit policy of a paste. changed the edit and join policy of a phame blog.
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin, epriestley
Maniphest Tasks: T6403
Differential Revision: https://secure.phabricator.com/D12933
Summary: This adds the bare minimum transaction set for editing posts. Fixes T7626 because now files will be correctly attached to phame posts on subsequent edits. Future work here should be adding transaction types like `TYPE_BLOG` for when posts are moved between blogs, `TYPE_VISIBILITY` for when posts are moved to published, etc. Nothing too tricky there but keeping this diff relatively small seems prudent.
Test Plan: made posts successfully. also made errors like no title, no phame title, and duplicate phame title and got correct errors. added a file to a post and verified file has phame post in "attached" tab, which should fix T7626.
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin, epriestley
Maniphest Tasks: T7626
Differential Revision: https://secure.phabricator.com/D12864
Summary: Ref T7626. Modernizes the code a bit here so we can eventually make progress on T7626 and other stuff.
Test Plan: made a blog, edited a blog, made errors - stuff looked good
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin, epriestley
Maniphest Tasks: T7626
Differential Revision: https://secure.phabricator.com/D12849
