Basic server app with WS connection.

server/internal/services/core/options/migrations.go

@@ -0,0 +1,17 @@
+package options
+
+import (
+	"embed"
+	"fmt"
+)
+
+//go:embed migrations
+var migrations embed.FS
+
+func (o *options) registerMigrations() error {
+	if err := o.db.RegisterMigrations("core/options", migrations); err != nil {
+		return fmt.Errorf("register migrations: %w", err)
+	}
+
+	return nil
+}

server/internal/services/core/options/migrations/0001_initial.sql

@@ -0,0 +1,12 @@
+-- +goose Up
+CREATE TABLE IF NOT EXISTS options (
+    id UUID NOT NULL PRIMARY KEY,
+    user_id UUID NOT NULL,
+    key VARCHAR(1024) NOT NULL,
+    value VARCHAR(8192)
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS options_user_id_key_idx ON options(user_id, key);
+
+-- +goose Down
+DROP TABLE IF EXISTS options;

server/internal/services/core/options/options.go

@@ -0,0 +1,79 @@
+package options
+
+import (
+	"errors"
+	"fmt"
+	"log/slog"
+
+	"bunker/server/internal/application"
+	"bunker/server/internal/services/core"
+)
+
+var (
+	_ = core.Options(&options{})
+
+	errOptions = errors.New("options core service")
+)
+
+type options struct {
+	app    *application.Application
+	logger *slog.Logger
+	db     core.Database
+}
+
+// Initialize initializes service.
+func Initialize(app *application.Application) error {
+	opts := &options{
+		app: app,
+	}
+
+	if err := app.RegisterService(opts); err != nil {
+		return fmt.Errorf("%w: %w", errOptions, err)
+	}
+
+	return nil
+}
+
+func (o *options) Configure() error {
+	if err := o.registerMigrations(); err != nil {
+		return fmt.Errorf("configure: %w", err)
+	}
+
+	return nil
+}
+
+func (o *options) ConnectDependencies() error {
+	databaseRaw := o.app.Service(core.ServiceNameDatabase)
+	if databaseRaw == nil {
+		return fmt.Errorf("connect dependencies: get database service: %w", application.ErrServiceNotFound)
+	}
+
+	database, valid := databaseRaw.(core.Database)
+	if !valid {
+		return fmt.Errorf("connect dependencies: type assert database service: %w", core.ErrDatabaseIsInvalid)
+	}
+
+	o.db = database
+
+	return nil
+}
+
+func (o *options) Initialize() error {
+	o.logger = o.app.NewLogger("service", core.ServiceNameOptions)
+
+	o.logger.Info("Initializing...")
+
+	return nil
+}
+
+func (o *options) Name() string {
+	return core.ServiceNameOptions
+}
+
+func (o *options) LaunchStartupTasks() error {
+	return nil
+}
+
+func (o *options) Shutdown() error {
+	return nil
+}