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# File 'lib/metabase_query_sync/sync.rb', line 6
class Sync
def initialize(read_ir, metabase_api, logger = nil)
@read_ir = read_ir
@metabase_api = metabase_api
@logger = logger || Logger.new(IO::NULL)
end
def self.from_config(config, logger = nil)
new(ReadIR::FromFiles.new(config.path), MetabaseApi::FaradayMetabaseApi.from_metabase_credentials(config.credentials), logger)
end
def call(sync_req)
@logger.info "Starting sync with req: #{sync_req.to_h}"
graph = @read_ir.()
metabase_state = MetabaseState.from_metabase_api(@metabase_api, sync_req.root_collection_id)
metabase_state = sync_requests(calc_cards_diff(graph, metabase_state, sync_req.root_collection_id), sync_req.dry_run, metabase_state)
metabase_state = sync_requests(calc_pulses_diff(graph, metabase_state, sync_req.root_collection_id), sync_req.dry_run, metabase_state)
@logger.info "Finished sync"
end
private
def calc_cards_diff(graph, metabase_state, root_collection_id)
[].chain(
delete_cards(graph, metabase_state),
add_cards(graph, metabase_state, root_collection_id)
)
end
def calc_pulses_diff(graph, metabase_state, root_collection_id)
[].chain(
delete_pulses(graph, metabase_state),
add_pulses(graph, metabase_state, root_collection_id)
)
end
def delete_pulses(graph, metabase_state)
metabase_state.pulses
.filter { |pulse| graph.pulse_by_name(pulse.name) == nil }
.map { |pulse| MetabaseApi::PutPulseRequest.from_pulse(pulse).new(archived: true) }
end
def delete_cards(graph, metabase_state)
metabase_state.cards
.filter { |card| graph.query_by_name(card.name) == nil }
.map { |card| MetabaseApi::PutCardRequest.from_card(card).new(archived: true) }
end
def add_cards(graph, metabase_state, root_collection_id)
graph.queries
.map do |q|
[q, metabase_state.card_by_name(q.name)]
end
.filter do |(q, card)|
next true unless card
card.dataset_query.native.query != q.sql ||
card.database_id != metabase_state.database_by_name(q.database)&.id ||
card.description != q.description
end
.map do |(q, card)|
database_id = metabase_state.database_by_name(q.database)&.id
raise "Database (#{q.database}) not found" if database_id == nil
MetabaseApi::PutCardRequest.native(
id: card&.id,
sql: q.sql,
database_id: metabase_state.database_by_name(q.database)&.id,
name: q.name,
description: q.description,
collection_id: root_collection_id,
)
end
end
def add_pulses(graph, metabase_state, root_collection_id)
graph.pulses
.map do |pulse|
api_pulse = metabase_state.pulse_by_name(pulse.name)
pulse_cards = graph
.queries_by_pulse(pulse.name)
.flat_map do |query|
card = metabase_state.card_by_name(query.name)
card ? [card] : []
end
.map { |card| MetabaseApi::Pulse::Card.new(id: card.id) }
pulse_channels = pulse.alerts.map do |alert|
MetabaseApi::Pulse::Channel.build do |c|
case alert.type
when 'email'
c.emails alert.email.emails
when 'slack'
c.slack alert.slack.channel
end
case alert.schedule.type
when 'hourly'
c.hourly
when 'daily'
c.daily(alert.hour)
when 'weekly'
c.weekly(alert.hour, alert.day)
end
end
end
[pulse, api_pulse, pulse_cards, pulse_channels]
end
.filter do |(pulse, api_pulse, pulse_cards, pulse_channels)|
next true unless api_pulse
api_pulse.cards != pulse_cards || api_pulse.channels != pulse_channels
end
.map do |(pulse, api_pulse, pulse_cards, pulse_channels)|
MetabaseApi::PutPulseRequest.new(
id: api_pulse&.id,
name: pulse.name,
cards: pulse_cards,
channels: pulse_channels,
collection_id: root_collection_id,
skip_if_empty: true,
)
end
end
def sync_requests(requests, dry_run, metabase_state)
requests.reduce(metabase_state) do |metabase_state, req|
case req
when MetabaseApi::PutPulseRequest
@logger.info "PutPulseRequest #{req.to_h}"
next metabase_state if dry_run
@metabase_api.put_pulse(req).fmap do |pulse|
metabase_state.with_pulse(pulse)
end.value!
when MetabaseApi::PutCardRequest
@logger.info "PutCardRequest #{req.to_h}"
next metabase_state if dry_run
@metabase_api.put_card(req).fmap do |card|
metabase_state.with_card(card)
end.value!
else
@logger.error "Unhandled Request Type: #{req.class}"
metabase_state
end
end
end
end
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