debian-mirror-gitlab/lib/banzai/reference_parser/issue_parser.rb

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module Banzai
module ReferenceParser
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class IssueParser < IssuableParser
self.reference_type = :issue
def nodes_visible_to_user(user, nodes)
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issues = records_for_nodes(nodes)
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issues_to_check, cross_project_issues = partition_issues(issues, user)
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readable_issues =
Ability.issues_readable_by_user(issues_to_check, user).to_set
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nodes.select do |node|
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issue_in_node = issues[node]
# We check the inclusion of readable issues first because it's faster.
#
# But we need to fall back to `read_issue_iid` if the user cannot read
# cross project, since it might be possible the user can see the IID
# but not the issue.
if readable_issues.include?(issue_in_node)
true
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elsif cross_project_issues.include?(issue_in_node)
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can_read_reference?(user, issue_in_node)
else
false
end
end
end
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# issues - A Hash mapping HTML nodes to their corresponding Issue
# instances.
# user - The current User.
def partition_issues(issues, user)
return [issues.values, []] if can?(user, :read_cross_project)
issues_to_check = []
cross_project_issues = []
# We manually partition the data since our input is a Hash and our
# output has to be an Array of issues; not an Array of (node, issue)
# pairs.
issues.each do |node, issue|
target =
if issue.project == project_for_node(node)
issues_to_check
else
cross_project_issues
end
target << issue
end
[issues_to_check, cross_project_issues]
end
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def records_for_nodes(nodes)
@issues_for_nodes ||= grouped_objects_for_nodes(
nodes,
Issue.all.includes(
:author,
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:assignees,
{
# These associations are primarily used for checking permissions.
# Eager loading these ensures we don't end up running dozens of
# queries in this process.
project: [
{ namespace: :owner },
{ group: [:owners, :group_members] },
:invited_groups,
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:project_members,
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:project_feature,
:route
]
}
),
self.class.data_attribute
)
end
end
end
end