123 lines
3.2 KiB
Ruby
123 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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class TreeSummary
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prepend_if_ee('::EE::Gitlab::TreeSummary') # rubocop: disable Cop/InjectEnterpriseEditionModule
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include ::Gitlab::Utils::StrongMemoize
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attr_reader :commit, :project, :path, :offset, :limit
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attr_reader :resolved_commits
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private :resolved_commits
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def initialize(commit, project, params = {})
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@commit = commit
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@project = project
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@path = params.fetch(:path, nil).presence
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@offset = params.fetch(:offset, 0).to_i
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@limit = (params.fetch(:limit, 25) || 25).to_i
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# Ensure that if multiple tree entries share the same last commit, they share
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# a ::Commit instance. This prevents us from rendering the same commit title
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# multiple times
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@resolved_commits = {}
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end
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# Creates a summary of the tree entries for a commit, within the window of
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# entries defined by the offset and limit parameters. This consists of two
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# return values:
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#
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# - An Array of Hashes containing the following keys:
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# - file_name: The full path of the tree entry
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# - type: One of :blob, :tree, or :submodule
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# - commit: The last ::Commit to touch this entry in the tree
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# - commit_path: URI of the commit in the web interface
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# - An Array of the unique ::Commit objects in the first value
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def summarize
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summary = contents
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.map { |content| build_entry(content) }
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.tap { |summary| fill_last_commits!(summary) }
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[summary, commits]
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end
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# Does the tree contain more entries after the given offset + limit?
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def more?
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all_contents[next_offset].present?
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end
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# The offset of the next batch of tree entries. If more? returns false, this
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# batch will be empty
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def next_offset
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[all_contents.size + 1, offset + limit].min
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end
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private
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def contents
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all_contents[offset, limit]
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end
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def commits
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resolved_commits.values
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end
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def repository
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project.repository
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end
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def entry_path(entry)
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File.join(*[path, entry[:file_name]].compact).force_encoding(Encoding::ASCII_8BIT)
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end
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def build_entry(entry)
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{ file_name: entry.name, type: entry.type }
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end
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def fill_last_commits!(entries)
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# Ensure the path is in "path/" format
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ensured_path =
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if path
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File.join(*[path, ""])
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end
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commits_hsh = repository.list_last_commits_for_tree(commit.id, ensured_path, offset: offset, limit: limit)
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entries.each do |entry|
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path_key = entry_path(entry)
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commit = cache_commit(commits_hsh[path_key])
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if commit
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entry[:commit] = commit
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entry[:commit_path] = commit_path(commit)
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end
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end
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end
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def cache_commit(commit)
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return unless commit.present?
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resolved_commits[commit.id] ||= commit
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end
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def commit_path(commit)
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Gitlab::Routing.url_helpers.project_commit_path(project, commit)
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end
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def all_contents
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strong_memoize(:all_contents) do
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[
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*tree.trees,
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*tree.blobs,
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*tree.submodules
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]
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end
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end
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def tree
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strong_memoize(:tree) { repository.tree(commit.id, path) }
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end
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end
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end
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