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# frozen_string_literal: true
module MergeRequests
class ReloadDiffsService
def initialize(merge_request, current_user)
@merge_request = merge_request
@current_user = current_user
end
def execute
old_diff_refs = merge_request.diff_refs
new_diff = merge_request.create_merge_request_diff
clear_cache(new_diff)
update_diff_discussion_positions(old_diff_refs)
end
private
attr_reader :merge_request, :current_user
def update_diff_discussion_positions(old_diff_refs)
new_diff_refs = merge_request.diff_refs
merge_request.update_diff_discussion_positions(old_diff_refs: old_diff_refs,
new_diff_refs: new_diff_refs,
current_user: current_user)
end
def clear_cache(new_diff)
# Executing the iteration we cache highlighted diffs for each diff file of
# MergeRequestDiff.
new_diff.diffs_collection.write_cache
# Remove cache for all diffs on this MR. Do not use the association on the
# model, as that will interfere with other actions happening when
# reloading the diff.
MergeRequestDiff.where(merge_request: merge_request).each do |merge_request_diff|
next if merge_request_diff == new_diff
merge_request_diff.diffs_collection.clear_cache
end
end
end
end
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