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Added Ecto, Cassandra and Auctions repo

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This commit is contained in:
artemis
2026-07-15 22:21:33 +03:00
parent 94d601a458
commit 06e86abf33
11 changed files with 83 additions and 49 deletions
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compose.yml
+9 -31
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@@ -1,35 +1,13 @@
name: neon-vertigo-service
services:
srv:
build:
context: .
target: dev
develop:
watch:
- path: ./
include: "mix.*"
target: "/app"
action: sync+restart
initial_sync: true
db:
image: "cassandra:5"
ports:
- "7000:7000"
- "9042:9042"
volumes:
- "app_build:/app/_build"
- "app_deps:/app_deps"
- "./config:/app/config"
- "./lib:/app/lib"
- "./test:/app/test"
environment:
MQTT_HOST: activemq-artemis
MQTT_USERNAME: "${MQTT_USERNAME}"
MQTT_PASSWORD: "${MQTT_PASSWORD}"
networks:
- default
- nv
networks:
nv:
name: neon-vertigo
external: true
- cassandra:/var/lib/cassandra
volumes:
app_build:
app_deps:
cassandra:
config/config.exs
+5
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@@ -0,0 +1,5 @@
import Config
config :neon_vertigo_service, ecto_repos: [NeonVertigoService.Repo]
import_config "#{Mix.env()}.exs"
config/dev.exs
+12
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@@ -0,0 +1,12 @@
import Config
config :neon_vertigo_service, NeonVertigoService.Repo, [
migration_primary_key: [name: :id, type: :uuid], # Overrides the default type `bigserial` used for version attribute in schema migration
nodes: ["127.0.0.1"], # List of database connection endpoints
keyspace: "nvservice", # Name of your keyspace
sync_connect: 5000, # Waiting time in milliseconds for the database connection
log: :info,
stacktrace: true,
show_sensitive_data_on_connection_error: true,
pool_size: 10
]
lib/neon_vertigo_service.ex
+1
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@@ -8,6 +8,7 @@ defmodule NeonVertigoService do
@impl true
def start(_start_type, _start_args) do
children = [
NeonVertigoService.Repo,
NeonVertigoService.Mqtt.Supervisor,
]
lib/neon_vertigo_service/message_processor.ex
+9 -15
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@@ -1,20 +1,14 @@
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
changeset = Auction.changeset(%Auction{}, payload)
reply = case NeonVertigoService.Repo.insert(changeset) do
{:ok, auction} ->
%{ok: true, gid: auction.gid}
{:error, changeset} ->
%{ok: false, gid: changeset |> Ecto.Changeset.get_field(:gid)}
end
{:reply, reply}
end
def process_message(_, _, _) do
lib/neon_vertigo_service/mqtt/server.ex
+5 -3
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@@ -11,8 +11,6 @@ defmodule NeonVertigoService.Mqtt.Server do
# Callbacks
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,
@@ -34,10 +32,14 @@ defmodule NeonVertigoService.Mqtt.Server do
IO.inspect(msg)
%{payload: payload_str, topic: topic_str, properties: properties} = msg
topic = String.split(topic_str, "/")
response_topic = properties[:"Response-Topic"]
payload = JSON.decode!(payload_str)
case NeonVertigoService.MessageProcessor.process_message(topic, payload, properties) do
{:reply, topic, data} -> :emqtt.publish(mqtt_pid, topic, data)
{:reply, data} ->
if is_binary(response_topic) && String.length(response_topic) > 0 do
:emqtt.publish(mqtt_pid, response_topic, JSON.encode!(data), retain: true)
end
:noreply -> nil
end
lib/neon_vertigo_service/repo.ex
+3
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@@ -0,0 +1,3 @@
defmodule NeonVertigoService.Repo do
use Ecto.Repo, otp_app: :neon_vertigo_service, adapter: Exandra
end
lib/schemas/auction.ex
+18
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@@ -0,0 +1,18 @@
defmodule Auction do
use Ecto.Schema
import Ecto.Changeset
schema "auctions" do
field :gid, :string, primary_key: true
field :author_gid, :string
field :starting_price, :decimal
end
def changeset(auction, params \\ %{}) do
auction
|> cast(params, [:gid, :author_gid, :starting_price])
|> validate_required([:gid, :author_gid, :starting_price])
|> validate_number(:starting_price, greater_than_or_equal_to: 0)
|> unique_constraint([:gid])
end
end
mix.exs
+2
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@@ -24,6 +24,8 @@ defmodule NeonVertigoService.MixProject do
[
{:emqtt, "~> 1.14"},
{:decimal, "~> 2.3"},
{:ecto, "~> 3.10"},
{:exandra, "~> 1.1"},
# {:dep_from_hexpm, "~> 0.3.0"},
# {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"}
]
mix.lock
+8
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@@ -1,9 +1,17 @@
%{
"cowlib": {:hex, :cowlib, "2.13.0", "db8f7505d8332d98ef50a3ef34b34c1afddec7506e4ee4dd4a3a266285d282ca", [:make, :rebar3], [], "hexpm", "e1e1284dc3fc030a64b1ad0d8382ae7e99da46c3246b815318a4b848873800a4"},
"db_connection": {:hex, :db_connection, "2.10.2", "ae391e803a5adff104da913c2fc1c0c14a37f8b10001dcef568796e1fb7bf95c", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "510b14482330f1af6490a2fa0efd8d4f1435d1529b165647df22ac0f2df0fa93"},
"decimal": {:hex, :decimal, "2.3.0", "3ad6255aa77b4a3c4f818171b12d237500e63525c2fd056699967a3e7ea20f62", [:mix], [], "hexpm", "a4d66355cb29cb47c3cf30e71329e58361cfcb37c34235ef3bf1d7bf3773aeac"},
"ecto": {:hex, :ecto, "3.13.6", "352135b474f91d1ab99a1b502171d207e9db60421c9e3d0ecab4c7ab96b24d14", [:mix], [{:decimal, "~> 2.0 or ~> 3.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "8afa059bc16cd2c94739ec0a11e3e5df69d828125119109bef35f20a21a76af2"},
"ecto_sql": {:hex, :ecto_sql, "3.13.5", "2f8282b2ad97bf0f0d3217ea0a6fff320ead9e2f8770f810141189d182dc304e", [:mix], [{:db_connection, "~> 2.4.1 or ~> 2.5", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.13.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.7", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.19 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.1 or ~> 2.2", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "aa36751f4e6a2b56ae79efb0e088042e010ff4935fc8684e74c23b1f49e25fdc"},
"emqtt": {:hex, :emqtt, "1.14.7", "7ace5a62337fe92c8596bc2872cbcb3430959ff90718c2004bdd691bce61614e", [:rebar3], [{:cowlib, "2.13.0", [hex: :cowlib, repo: "hexpm", optional: false]}, {:getopt, "1.0.3", [hex: :getopt, repo: "hexpm", optional: false]}, {:gun, "2.1.0", [hex: :gun, repo: "hexpm", optional: false]}, {:quicer, "0.2.15", [hex: :quicer, repo: "hexpm", optional: false]}], "hexpm", "9eb060ce4abe5092064114819dc72955bc657e020d494660ecc593772c4125db"},
"exandra": {:hex, :exandra, "1.1.0", "e0e73a4099867ec1fdfe551390176ea5941126fe88f4cbf939f6143420640b64", [:mix], [{:decimal, "~> 1.6 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:ecto, "~> 3.13", [hex: :ecto, repo: "hexpm", optional: false]}, {:ecto_sql, "~> 3.13", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}, {:nimble_options, "~> 1.0", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:xandra, "~> 0.19.4", [hex: :xandra, repo: "hexpm", optional: false]}], "hexpm", "0d4e670f5bc85c429ee1c96cc1c3f85b9772b9ba52574657793560640928669e"},
"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, "1.4.5", "2e3a008590b0b8d7388c20293e9dcc9cf3e5d642fd2a114e4cbbb52e595d940a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0 or ~> 3.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "b0c823996102bcd0239b3c2444eb00409b72f6a140c1950bc8b457d836b30684"},
"nimble_options": {:hex, :nimble_options, "1.1.1", "e3a492d54d85fc3fd7c5baf411d9d2852922f66e69476317787a7b2bb000a61b", [:mix], [], "hexpm", "821b2470ca9442c4b6984882fe9bb0389371b8ddec4d45a9504f00a66f650b44"},
"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, "1.4.2", "a0cb522801dffb1c49fe6e30561badffc7b6d0e180db1300df759faa22062855", [:rebar3], [], "hexpm", "928f6495066506077862c0d1646609eed891a4326bee3126ba54b60af61febb1"},
"xandra": {:hex, :xandra, "0.19.4", "bc6e46db726ce252a21b1bb5a7a21502b61702242dccf0d1007201210064e08c", [:mix], [{:decimal, "~> 1.7 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}, {:nimble_options, "~> 1.0", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "3584949976f1146d3bef0f4f91a0fb2ce025f24be181827172ba0bc2571cb362"},
}
priv/repo/migrations/20260715174940_add_auctions_table.exs
+11
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@@ -0,0 +1,11 @@
defmodule NeonVertigoService.Repo.Migrations.AddAuctionsTable do
use Ecto.Migration
def change do
create table("auctions", primary_key: false) do
add :gid, :string, primary_key: true
add :author_gid, :string, null: false
add :starting_price, :decimal, null: false
end
end
end