discourse/app/serializers/post_revision_serializer.rb

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class PostRevisionSerializer < ApplicationSerializer
attributes :post_id,
:version,
:revisions_count,
:username,
:display_username,
:avatar_template,
:created_at,
:edit_reason,
:body_changes,
:title_changes,
:category_changes,
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:user_changes,
:wiki_changes
def include_title_changes?
object.has_topic_data?
end
def include_category_changes?
object.has_topic_data?
end
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def version
object.number
end
def revisions_count
object.post.version
end
def username
user.username_lower
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end
def display_username
user.username
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end
def avatar_template
user.avatar_template
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end
def edit_reason
object.lookup("edit_reason", 1)
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end
def user_changes
obj = object.user_changes
return unless obj
# same as below - if stuff is messed up, default to system
prev = obj[:previous_user] || Discourse.system_user
new = obj[:current_user] || Discourse.system_user
{
previous: {
username: prev.username_lower,
display_username: prev.username,
avatar_template: prev.avatar_template
},
current: {
username: new.username_lower,
display_username: new.username,
avatar_template: new.avatar_template
}
}
end
def user
# if stuff goes pear shape attribute to system
object.user || Discourse.system_user
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end
end