71 lines
2.3 KiB
Ruby
71 lines
2.3 KiB
Ruby
module Resources
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MQTT_CHAN = "from_api"
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CHANNEL_TPL =
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"bot.device_%{device_id}.resources_v0.%{action}.%{klass}.%{uuid}.%{id}"
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INDEX_OF_USERNAME = 1
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INDEX_OF_OP = 3
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INDEX_OF_KIND = 4
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INDEX_OF_UUID = 5
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INDEX_OF_ID = 6
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class Service < AbstractServiceRunner
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def ok(uuid)
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{ kind: "rpc_ok", args: { label: uuid } }.to_json
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end
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def rpc_err(uuid, error)
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{
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kind: "rpc_error",
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args: { label: uuid },
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body: (error
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.errors
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.values
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.map { |err| { kind: "explanation", args: { message: err.message } } }),
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}.to_json
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end
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def step1(delivery_info, body) # Returns params or nil
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Preprocessor.from_amqp(delivery_info, body)
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rescue Mutations::ValidationException => q
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# AUTHORS NOTE: Some of the Bunny data structures have circular
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# references that will cause the JSON serializer
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# to crash. the safe_attrs var reduces the risk of
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# stack overflow during serialization.
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safe_attrs = [:consumer_tag, :redelivered, :exchange, :routing_key]
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x = delivery_info.to_h.slice(*safe_attrs).merge(body: body)
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Rollbar.error(q, x)
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raw_chan = delivery_info&.routing_key&.split(".") || []
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id = raw_chan[INDEX_OF_USERNAME]&.gsub("device_", "")&.to_i
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uuid = raw_chan[INDEX_OF_UUID] || "NONE"
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Transport.current.amqp_send(rpc_err(uuid, q), id, MQTT_CHAN) if id
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nil
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end
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def step2(params)
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dev = params[:device]
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dev.auto_sync_transaction do
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Job.run!(params)
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uuid = (params[:uuid] || "NONE")
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Transport.current.amqp_send(ok(uuid), dev.id, MQTT_CHAN)
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end
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rescue Mutations::ValidationException => q
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device = params.fetch(:device)
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Rollbar.info("device_#{device.id} using AMQP resource mgmt")
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uuid = params.fetch(:uuid)
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errors = q.errors.values.map do |err|
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{ kind: "explanation", args: { message: err.message } }
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end
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message = { kind: "rpc_error",
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args: { label: uuid },
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body: errors }.to_json
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Transport.current.amqp_send(message, device.id, MQTT_CHAN)
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end
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def process(delivery_info, body)
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params = step1(delivery_info, body)
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params && step2(params)
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end
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end # Service
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end # Resources
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