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class PushEvent < Event
# This validation exists so we can't accidentally use PushEvent with a
# different "action" value.
validate :validate_push_action
# The project is required to build links to commits, commit ranges, etc.
#
# We're just validating the presence of the ID here as foreign key constraints
# should ensure the ID points to a valid project.
validates :project_id, presence: true
# These fields are also not used for push events, thus storing them would be a
# waste.
validates :target_id, absence: true
validates :target_type, absence: true
delegate :branch?, to: :push_event_payload
delegate :tag?, to: :push_event_payload
delegate :commit_from, to: :push_event_payload
delegate :commit_to, to: :push_event_payload
delegate :ref_type, to: :push_event_payload
delegate :commit_title, to: :push_event_payload
delegate :commit_count, to: :push_event_payload
alias_method :commits_count, :commit_count
# Returns events of pushes that either pushed to an existing ref or created a
# new one.
def self.created_or_pushed
actions = [
PushEventPayload.actions[:pushed],
PushEventPayload.actions[:created]
]
joins(:push_event_payload)
.where(push_event_payloads: { action: actions })
end
# Returns events of pushes to a branch.
def self.branch_events
ref_type = PushEventPayload.ref_types[:branch]
joins(:push_event_payload)
.where(push_event_payloads: { ref_type: ref_type })
end
# Returns PushEvent instances for which no merge requests have been created.
def self.without_existing_merge_requests
existing_mrs = MergeRequest.except(:order)
.select(1)
.where('merge_requests.source_project_id = events.project_id')
.where('merge_requests.source_branch = push_event_payloads.ref')
# For reasons unknown the use of #eager_load will result in the
# "push_event_payload" association not being set. Because of this we're
# using "joins" here, which does mean an additional query needs to be
# executed in order to retrieve the "push_event_association" when the
# returned PushEvent is used.
joins(:push_event_payload)
.where('NOT EXISTS (?)', existing_mrs)
.created_or_pushed
.branch_events
end
def self.sti_name
PUSHED
end
def push?
true
end
def push_with_commits?
!!(commit_from && commit_to)
end
def valid_push?
push_event_payload.ref.present?
end
def new_ref?
push_event_payload.created?
end
def rm_ref?
push_event_payload.removed?
end
def md_ref?
!(rm_ref? || new_ref?)
end
def ref_name
push_event_payload.ref
end
alias_method :branch_name, :ref_name
alias_method :tag_name, :ref_name
def commit_id
commit_to || commit_from
end
def last_push_to_non_root?
branch? && project.default_branch != branch_name
end
def validate_push_action
return if action == PUSHED
errors.add(:action, "the action #{action.inspect} is not valid")
end
end
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