debian-mirror-gitlab/app/models/merge_request_diff_commit.rb

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# frozen_string_literal: true
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class MergeRequestDiffCommit < ApplicationRecord
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extend SuppressCompositePrimaryKeyWarning
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include BulkInsertSafe
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include ShaAttribute
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include CachedCommit
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include IgnorableColumns
include FromUnion
ignore_column %i[author_name author_email committer_name committer_email],
remove_with: '14.6',
remove_after: '2021-11-22'
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belongs_to :merge_request_diff
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# This relation is called `commit_author` and not `author`, as the project
# import/export logic treats relations named `author` as instances of the
# `User` class.
#
# NOTE: these columns are _not_ indexed, nor do they use foreign keys.
#
# This is deliberate, as creating these indexes on GitLab.com takes a _very_
# long time. In addition, there's no real need for them either based on how
# this data is used.
#
# For more information, refer to the following:
#
# - https://gitlab.com/gitlab-com/gl-infra/production/-/issues/5038#note_614592881
# - https://gitlab.com/gitlab-org/gitlab/-/merge_requests/63669
belongs_to :commit_author, class_name: 'MergeRequest::DiffCommitUser'
belongs_to :committer, class_name: 'MergeRequest::DiffCommitUser'
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sha_attribute :sha
alias_attribute :id, :sha
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serialize :trailers, Serializers::Json # rubocop:disable Cop/ActiveRecordSerialize
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validates :trailers, json_schema: { filename: 'git_trailers' }
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scope :with_users, -> { preload(:commit_author, :committer) }
# A list of keys of which their values need to be trimmed before they can be
# inserted into the merge_request_diff_commit_users table.
TRIM_USER_KEYS =
%i[author_name author_email committer_name committer_email].freeze
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# Deprecated; use `bulk_insert!` from `BulkInsertSafe` mixin instead.
# cf. https://gitlab.com/gitlab-org/gitlab/issues/207989 for progress
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def self.create_bulk(merge_request_diff_id, commits)
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commit_hashes, user_tuples = prepare_commits_for_bulk_insert(commits)
users = MergeRequest::DiffCommitUser.bulk_find_or_create(user_tuples)
rows = commit_hashes.map.with_index do |commit_hash, index|
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sha = commit_hash.delete(:id)
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author = users[[commit_hash[:author_name], commit_hash[:author_email]]]
committer =
users[[commit_hash[:committer_name], commit_hash[:committer_email]]]
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# These fields are only used to determine the author/committer IDs, we
# don't store them in the DB.
commit_hash = commit_hash
.except(:author_name, :author_email, :committer_name, :committer_email)
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commit_hash.merge(
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commit_author_id: author.id,
committer_id: committer.id,
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merge_request_diff_id: merge_request_diff_id,
relative_order: index,
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sha: Gitlab::Database::ShaAttribute.serialize(sha), # rubocop:disable Cop/ActiveRecordSerialize
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authored_date: Gitlab::Database.sanitize_timestamp(commit_hash[:authored_date]),
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committed_date: Gitlab::Database.sanitize_timestamp(commit_hash[:committed_date]),
trailers: commit_hash.fetch(:trailers, {}).to_json
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)
end
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ApplicationRecord.legacy_bulk_insert(self.table_name, rows) # rubocop:disable Gitlab/BulkInsert
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end
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def self.prepare_commits_for_bulk_insert(commits)
user_tuples = Set.new
hashes = commits.map do |commit|
hash = commit.to_hash.except(:parent_ids)
TRIM_USER_KEYS.each do |key|
hash[key] = MergeRequest::DiffCommitUser.prepare(hash[key])
end
user_tuples << [hash[:author_name], hash[:author_email]]
user_tuples << [hash[:committer_name], hash[:committer_email]]
hash
end
[hashes, user_tuples]
end
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def self.oldest_merge_request_id_per_commit(project_id, shas)
# This method is defined here and not on MergeRequest, otherwise the SHA
# values used in the WHERE below won't be encoded correctly.
select(['merge_request_diff_commits.sha AS sha', 'min(merge_requests.id) AS merge_request_id'])
.joins(:merge_request_diff)
.joins(
'INNER JOIN merge_requests ' \
'ON merge_requests.latest_merge_request_diff_id = merge_request_diffs.id'
)
.where(sha: shas)
.where(
merge_requests: {
target_project_id: project_id,
state_id: MergeRequest.available_states[:merged]
}
)
.group(:sha)
end
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def author_name
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commit_author&.name
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end
def author_email
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commit_author&.email
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end
def committer_name
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committer&.name
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end
def committer_email
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committer&.email
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end
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end