Basic routing + account creation

lib/neon_vertigo_service/message_processor.ex

@@ -0,0 +1,23 @@
+defmodule NeonVertigoService.MessageProcessor do
+  @ets_auctions NeonVertigoService.Auctions
+  @ets_bids NeonVertigoService.Bids
+
+  def init_tables() do
+    @ets_auctions = :ets.new(@ets_auctions, [:named_table])
+    @ets_bids = :ets.new(@ets_bids, [:named_table])
+    :ok
+  end
+
+  def process_message(["auctions", "create"], payload, _properties) do
+    gid = payload["gid"]
+    data = Map.take(payload, ["author_gid", "min_bet"]) |> Enum.map(fn {k, v} -> {String.to_atom(k), v} end) |> Map.new
+    {min_bet, _} = Decimal.parse(data[:min_bet])
+    data = Map.put(data, :min_bet, min_bet)
+    :ets.insert_new(@ets_auctions, {gid, data})
+    :noreply
+  end
+
+  def process_message(_, _, _) do
+    :noreply
+  end
+end

lib/neon_vertigo_service/mqtt/server.ex

@@ -1,4 +1,4 @@
-defmodule NeonVertigoService.Mqtt.Service do
+defmodule NeonVertigoService.Mqtt.Server do
   use GenServer
 
   def start_link(_) do
@@ -6,30 +6,41 @@ defmodule NeonVertigoService.Mqtt.Service do
   end
   
   def init(_) do
-    {:ok, {}, {:continue, :init_mqtt}}
+    {:ok, {}, {:continue, :post_init}}
   end
 
   # Callbacks
-  def handle_continue(:init_mqtt, {}) do
+  def handle_continue(:post_init, {}) do
+    :ok = NeonVertigoService.MessageProcessor.init_tables()
+
     mqtt_config = Application.fetch_env!(:neon_vertigo_service, :mqtt_params)
     {:ok, mqtt_pid} = Supervisor.start_child(
         NeonVertigoService.Mqtt.Supervisor,
         %{
           id: :neon_vertigo_emqtt,
-          start: {:emqtt, :start_link, [[owner: self(), name: :neon_vertigo_service_emqtt] ++ mqtt_config]}
+          start: {:emqtt, :start_link, [[owner: self(), name: :neon_vertigo_service_emqtt, proto_ver: :v5] ++ mqtt_config]}
           }
         )
     {:ok, _mqtt_props} = :emqtt.connect(mqtt_pid)
 
-    :emqtt.subscribe(mqtt_pid, %{}, [{"$share/neon-vertigo-service/test/+", [{:qos, 1}]}])
+    :emqtt.subscribe(mqtt_pid, %{}, [{"$share/neon-vertigo-service/auctions/+", [{:qos, 1}]}])
 
     {:noreply, {mqtt_pid}}
   end
 
   # Handling MQTT messages
-  def handle_info({:publish, msg}, state) do
+  def handle_info({:publish, msg}, {mqtt_pid} = state) do
     IO.puts("Received message") 
     IO.inspect(msg)
+    %{payload: payload_str, topic: topic_str, properties: properties} = msg
+    topic = String.split(topic_str, "/")
+    payload = JSON.decode!(payload_str)
+
+    case NeonVertigoService.MessageProcessor.process_message(topic, payload, properties) do
+      {:reply, topic, data} -> :emqtt.publish(mqtt_pid, topic, data)
+      :noreply -> nil
+    end
+
     {:noreply, state}
   end
 end

lib/neon_vertigo_service/mqtt/supervisor.ex

@@ -10,7 +10,7 @@ defmodule NeonVertigoService.Mqtt.Supervisor do
   @impl true
   def init(_init_arg) do
     children = [
-      NeonVertigoService.Mqtt.Service
+      NeonVertigoService.Mqtt.Server
     ]
 
     Supervisor.init(children, strategy: :one_for_all)

mix.exs

@@ -23,6 +23,7 @@ defmodule NeonVertigoService.MixProject do
   defp deps do
     [
       {:emqtt, "~> 1.14"},
+      {:decimal, "~> 2.3"},
       # {:dep_from_hexpm, "~> 0.3.0"},
       # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"}
     ]

mix.lock

@@ -11,6 +11,7 @@
   "exqlite": {:hex, :exqlite, "0.33.1", "0465fdb997be174edeba6a27496fa27dfe8bc79ef1324a723daa8f0e8579da24", [:make, :mix], [{:cc_precompiler, "~> 0.1", [hex: :cc_precompiler, repo: "hexpm", optional: false]}, {:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:elixir_make, "~> 0.8", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:table, "~> 0.1.0", [hex: :table, repo: "hexpm", optional: true]}], "hexpm", "b3db0c9ae6e5ee7cf84dd0a1b6dc7566b80912eb7746d45370f5666ed66700f9"},
   "getopt": {:hex, :getopt, "1.0.3", "4f3320c1f6f26b2bec0f6c6446b943eb927a1e6428ea279a1c6c534906ee79f1", [:rebar3], [], "hexpm", "7e01de90ac540f21494ff72792b1e3162d399966ebbfc674b4ce52cb8f49324f"},
   "gun": {:hex, :gun, "2.1.0", "b4e4cbbf3026d21981c447e9e7ca856766046eff693720ba43114d7f5de36e87", [:make, :rebar3], [{:cowlib, "2.13.0", [hex: :cowlib, repo: "hexpm", optional: false]}], "hexpm", "52fc7fc246bfc3b00e01aea1c2854c70a366348574ab50c57dfe796d24a0101d"},
+  "jason": {:hex, :jason, "1.4.4", "b9226785a9aa77b6857ca22832cffa5d5011a667207eb2a0ad56adb5db443b8a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "c5eb0cab91f094599f94d55bc63409236a8ec69a21a67814529e8d5f6cc90b3b"},
   "quicer": {:hex, :quicer, "0.2.15", "775fcfa09c9ce5a4a00d23c1c8b1e81cd361ebc847e43bb766efac4373cdb1b8", [:rebar3], [{:snabbkaffe, "1.0.10", [hex: :snabbkaffe, repo: "hexpm", optional: false]}], "hexpm", "52236d9384a541341706bcae438e81b209fa21d2045d3df317f8ba5beda6a8e5"},
   "snabbkaffe": {:hex, :snabbkaffe, "1.0.10", "9be2f54f61fc6862391b666b2b5b76c3fa53598e2989a17cef1b48cf347a8a63", [:rebar3], [], "hexpm", "70a98df36ae756908d55b5770891d443d63c903833e3e87d544036e13d4fac26"},
   "telemetry": {:hex, :telemetry, "1.3.0", "fedebbae410d715cf8e7062c96a1ef32ec22e764197f70cda73d82778d61e7a2", [:rebar3], [], "hexpm", "7015fc8919dbe63764f4b4b87a95b7c0996bd539e0d499be6ec9d7f3875b79e6"},