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start implementing Genstage server for producing outline events
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defmodule Radiator.Outline.Event do | ||
Check warning on line 1 in lib/radiator/outline/event.ex
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alias Radiator.Outline.EventProducer | ||
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def build(event_id, event_type, user_id, payload) do | ||
%{ | ||
event_id: event_id, | ||
event_type: event_type, | ||
user_id: user_id, | ||
payload: payload | ||
} | ||
end | ||
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def enqueue(event) do | ||
EventProducer.enqueue(event) | ||
end | ||
end |
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defmodule Radiator.Outline.EventProducer do | ||
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use GenStage | ||
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def start_link(opts \\ []) do | ||
GenStage.start_link(__MODULE__, opts, name: __MODULE__) | ||
end | ||
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def init(_opts) do | ||
{:producer, []} | ||
end | ||
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def enqueue(event) do | ||
GenStage.cast(__MODULE__, {:enqueue, event}) | ||
:ok | ||
end | ||
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def handle_cast({:enqueue, event}, state) do | ||
{:noreply, [event], state} | ||
end | ||
end |
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defmodule Radiator.Outline.Server do | ||
Check warning on line 1 in lib/radiator/outline/server.ex
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alias Radiator.Outline.Event | ||
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def insert_node(attributes, user_id, event_id) do | ||
"insert_node" | ||
|> Event.build(attributes, user_id, event_id) | ||
|> Event.enqueue() | ||
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# generate event | ||
# send to Eventserver | ||
# validate | ||
# true-> | ||
# database action: insert node() | ||
# create && persist event (event contains all attributes, user, event_id, timestamps) | ||
# broadcast event (topic: episode_id) | ||
# broadcast node (topic: episode_id) | ||
# false-> | ||
# log error and return error (audit log) | ||
:ok | ||
end | ||
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# TODO | ||
# update_node | ||
# delete_node | ||
# move_node | ||
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# list_node different case, sync call | ||
end |
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