add dialyzer and fix id

.dialyzer_ignore.exs

@@ -0,0 +1 @@
+[]

.gitignore

@@ -0,0 +1,92 @@
+/.direnv/
+/result
+
+# The directory Mix will write compiled artifacts to.
+/_build/
+
+# If you run "mix test --cover", coverage assets end up here.
+/cover/
+
+# The directory Mix downloads your dependencies sources to.
+/deps/
+
+# Where 3rd-party dependencies like ExDoc output generated docs.
+/doc/
+
+# Ignore .fetch files in case you like to edit your project deps locally.
+/.fetch
+
+# If the VM crashes, it generates a dump, let's ignore it too.
+erl_crash.dump
+
+# Also ignore archive artifacts (built via "mix archive.build").
+*.ez
+
+# Temporary files, for example, from tests.
+/tmp/
+
+# Ignore package tarball (built via "mix hex.build").
+plausible-*.tar
+
+# If NPM crashes, it generates a log, let's ignore it too.
+npm-debug.log
+
+# If running Clickhouse through the Makefile, its data is written here
+/.clickhouse_db_vol/
+
+# The directory NPM downloads your dependencies sources to.
+/assets/node_modules/
+/tracker/node_modules/
+
+# Files generated by Playwright when running tracker tests
+/tracker/test-results/
+/tracker/playwright-report/
+/tracker/blob-report/
+/tracker/playwright/.cache/
+
+# Stored hash of source tracker files used in development environment
+# to detect changes in /tracker/src and avoid unnecessary compilation.
+/tracker/compiler/last-hash.txt
+# Temporary file used by analyze-sizes.js
+/tracker/compiler/.analyze-sizes.json
+
+# Tracker npm module files that are generated by the compiler for the NPM package
+/tracker/npm_package/plausible.js*
+/tracker/npm_package/plausible.cjs*
+/tracker/npm_package/plausible.d.cts
+
+# test coverage directory
+/assets/coverage
+
+# Since we are building assets from assets/,
+# we ignore priv/static. You may want to comment
+# this depending on your deployment strategy.
+/priv/static/css
+/priv/static/js
+/priv/version.json
+
+# Files matching config/*.secret.exs pattern contain sensitive
+# data and you should not commit them into version control.
+#
+# Alternatively, you may comment the line below and commit the
+# secrets files as long as you replace their contents by environment
+# variables.
+/config/*.secret.exs
+
+# Ignore Elixir Language Server files
+.elixir_ls
+plausible-report.xml
+
+.idea
+*.iml
+*.log
+*.code-workspace
+.vscode
+
+# Dializer
+/priv/plts/*.plt
+/priv/plts/*.plt.hash
+
+.env
+
+.claude

lib/workload_service/aggregates/quote_task.ex

@@ -1,7 +1,8 @@
 defmodule WorkloadService.Aggregates.QuoteTask do
   use WorkloadService.Aggregates.Task,
     task_type: "quote",
-    commands: WorkloadService.Commands.QuoteTask
+    commands: WorkloadService.Commands.QuoteTask,
+    submission_type: map()
 
   def validate_submission(_) do
     :ok

lib/workload_service/aggregates/solicitation_task.ex

@@ -1,7 +1,8 @@
 defmodule WorkloadService.Aggregates.SolicitationTask do
   use WorkloadService.Aggregates.Task,
     task_type: "solicitation",
-    commands: WorkloadService.Commands.SolicitationTask
+    commands: WorkloadService.Commands.SolicitationTask,
+    submission_type: map()
 
   def validate_submission(_) do
     :ok

lib/workload_service/aggregates/task.ex

@@ -8,24 +8,37 @@ defmodule WorkloadService.Aggregates.Task do
       use WorkloadService.Aggregates.Task,
         task_type: "quote"
     end
-  """
 
-  @type t :: %__MODULE__{
-    id: WorkloadService.Aggregates.TaskId.t() | nil,
-    application_id: WorkloadService.Aggregates.ApplicationId.t() | nil,
-    task_info: map() | nil,
-    submission: map() | nil,
-    attachments: [String.t()],
-    status: String.t() | nil
-  }
+  ## With custom submission type
+
+    defmodule QuoteTaskWithCustomSubmission do
+      defmodule CustomSubmission do
+        @type t :: %{...custom_fields: term()}
+      end
+
+      use WorkloadService.Aggregates.Task,
+        task_type: "quote",
+        submission_type: CustomSubmission.t()
+    end
+  """
 
   @callback validate_submission(map()) :: :ok | {:error, term()}
 
   defmacro __using__(opts) do
     task_type = Keyword.fetch!(opts, :task_type)
     commands_module = Keyword.get(opts, :commands, WorkloadService.Commands.Task)
+    submission_type = Keyword.get(opts, :submission_type, quote(do: map()))
 
     quote do
+      @type t :: %__MODULE__{
+              id: WorkloadService.Aggregates.TaskId.t() | nil,
+              application_id: WorkloadService.Aggregates.ApplicationId.t() | nil,
+              task_info: map() | nil,
+              submission: unquote(submission_type) | nil,
+              attachments: [String.t()],
+              status: String.t() | nil
+            }
+
       @behaviour Commanded.Aggregates.Aggregate
       @task_type unquote(task_type)
 

lib/workload_service/consumers/quote_requested_consumer.ex

@@ -17,8 +17,8 @@ defmodule WorkloadService.Consumers.QuoteRequestedConsumer do
     {:ok, conn} = AMQP.Connection.open(amqp_url())
     {:ok, channel} = AMQP.Channel.open(conn)
 
-    AMQP.Queue.declare(channel, @queue, durable: true)
-    AMQP.Queue.bind(channel, @queue, @exchange, routing_key: @routing_key)
+    :ok = AMQP.Queue.declare(channel, @queue, durable: true)
+    :ok = AMQP.Queue.bind(channel, @queue, @exchange, routing_key: @routing_key)
     {:ok, _tag} = AMQP.Basic.consume(channel, @queue)
 
     Logger.info("QuoteRequestedConsumer started, listening on #{@queue}")
@@ -31,6 +31,7 @@ defmodule WorkloadService.Consumers.QuoteRequestedConsumer do
   def handle_info({:basic_cancel_ok, _}, state), do: {:noreply, state}
 
   def handle_info({:basic_deliver, payload, meta}, state) do
+    :ok =
       case process(payload) do
         :ok ->
           AMQP.Basic.ack(state.channel, meta.delivery_tag)

lib/workload_service/release.ex

@@ -6,12 +6,14 @@ defmodule WorkloadService.Release do
   @app :workload_service
 
   def migrate do
-    load_app()
-    init_event_store()
+    :ok = load_app()
+    :ok = init_event_store()
 
     for repo <- repos() do
       {:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :up, all: true))
     end
+
+    :ok
   end
 
   def rollback(repo, version) do
@@ -24,9 +26,10 @@ defmodule WorkloadService.Release do
   end
 
   defp load_app do
-    Application.ensure_all_started(:ssl)
-    Application.ensure_all_started(:postgrex)
-    Application.ensure_loaded(@app)
+    {:ok, _} = Application.ensure_all_started(:ssl)
+    {:ok, _} = Application.ensure_all_started(:postgrex)
+    :ok = Application.ensure_loaded(@app)
+    :ok
   end
 
   def init_event_store do

mix.exs

@@ -9,14 +9,28 @@ defmodule WorkloadService.MixProject do
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
       aliases: aliases(),
-      deps: deps()
+      deps: deps(),
+      dialyzer: [
+        plt_file: {:no_warn, "priv/plts/dialyzer.plt"},
+        plt_add_apps: [:mix, :ex_unit],
+        flags: [
+          # warn on ignored return values
+          :unmatched_returns,
+          # warn on error handling issues
+          :error_handling,
+          # warn when spec is too broad
+          :underspecs,
+          # warn on opaque type violations
+          :no_opaque
+        ]
+      ]
     ]
   end
 
   def application do
     [
       mod: {WorkloadService.Application, []},
-      extra_applications: [:logger, :runtime_tools]
+      extra_applications: [:logger, :runtime_tools, :dialyzer]
     ]
   end
 
@@ -45,7 +59,8 @@ defmodule WorkloadService.MixProject do
       {:amqp, "~> 4.1"},
       {:uuid, "~> 1.1"},
       {:req, "~> 0.5"},
-      {:cors_plug, "~> 3.0"}
+      {:cors_plug, "~> 3.0"},
+      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false}
     ]
   end
 

mix.lock

@@ -10,9 +10,11 @@
   "credentials_obfuscation": {:hex, :credentials_obfuscation, "3.5.0", "61e282adfb4439486b3994faaec69543c7ee6cc7e70c6340e8853fd9deaf8219", [:rebar3], [], "hexpm", "843adbe3246861ce0f1a0fa3222f384834eb31defd8d6b9cba7afd2977c957bc"},
   "db_connection": {:hex, :db_connection, "2.9.0", "a6a97c5c958a2d7091a58a9be40caf41ab496b0701d21e1d1abff3fa27a7f371", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "17d502eacaf61829db98facf6f20808ed33da6ccf495354a41e64fe42f9c509c"},
   "decimal": {:hex, :decimal, "2.3.0", "3ad6255aa77b4a3c4f818171b12d237500e63525c2fd056699967a3e7ea20f62", [:mix], [], "hexpm", "a4d66355cb29cb47c3cf30e71329e58361cfcb37c34235ef3bf1d7bf3773aeac"},
+  "dialyxir": {:hex, :dialyxir, "1.4.7", "dda948fcee52962e4b6c5b4b16b2d8fa7d50d8645bbae8b8685c3f9ecb7f5f4d", [:mix], [{:erlex, ">= 0.2.8", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "b34527202e6eb8cee198efec110996c25c5898f43a4094df157f8d28f27d9efe"},
   "dns_cluster": {:hex, :dns_cluster, "0.1.3", "0bc20a2c88ed6cc494f2964075c359f8c2d00e1bf25518a6a6c7fd277c9b0c66", [:mix], [], "hexpm", "46cb7c4a1b3e52c7ad4cbe33ca5079fbde4840dedeafca2baf77996c2da1bc33"},
   "ecto": {:hex, :ecto, "3.13.5", "9d4a69700183f33bf97208294768e561f5c7f1ecf417e0fa1006e4a91713a834", [:mix], [{:decimal, "~> 2.0", [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", "df9efebf70cf94142739ba357499661ef5dbb559ef902b68ea1f3c1fabce36de"},
   "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"},
+  "erlex": {:hex, :erlex, "0.2.8", "cd8116f20f3c0afe376d1e8d1f0ae2452337729f68be016ea544a72f767d9c12", [:mix], [], "hexpm", "9d66ff9fedf69e49dc3fd12831e12a8a37b76f8651dd21cd45fcf5561a8a7590"},
   "eventstore": {:hex, :eventstore, "1.4.8", "26778c991cfb078f3906a4267060efc7bb5e5943f69ddb8ae6fb60f07042a66e", [:mix], [{:fsm, "~> 0.3", [hex: :fsm, repo: "hexpm", optional: false]}, {:gen_stage, "~> 1.2", [hex: :gen_stage, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: true]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.17", [hex: :postgrex, repo: "hexpm", optional: false]}], "hexpm", "30c914602fdea8db5992a90ecb1f84068531e764cf0c066be71ff0eec4e3bcb9"},
   "file_system": {:hex, :file_system, "1.1.1", "31864f4685b0148f25bd3fbef2b1228457c0c89024ad67f7a81a3ffbc0bbad3a", [:mix], [], "hexpm", "7a15ff97dfe526aeefb090a7a9d3d03aa907e100e262a0f8f7746b78f8f87a5d"},
   "finch": {:hex, :finch, "0.21.0", "b1c3b2d48af02d0c66d2a9ebfb5622be5c5ecd62937cf79a88a7f98d48a8290c", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.6.2 or ~> 1.7", [hex: :mint, repo: "hexpm", optional: false]}, {:nimble_options, "~> 0.4 or ~> 1.0", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:nimble_pool, "~> 1.1", [hex: :nimble_pool, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "87dc6e169794cb2570f75841a19da99cfde834249568f2a5b121b809588a4377"},