clawbot
f8ce8cef83
The template's files at a77fd30, without its history or LICENSE, after script/rename simplexcalc. Model: opus-5-5
73 lines
2.2 KiB
Go
73 lines
2.2 KiB
Go
// Package app wires the object graph. It is the one place that knows
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// which concrete types satisfy the application's dependencies, so every
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// other package can be constructed in a test with substitutes.
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package app
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import (
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"log/slog"
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"go.uber.org/fx"
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"go.uber.org/fx/fxevent"
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"sneak.berlin/go/simplexcalc/internal/config"
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"sneak.berlin/go/simplexcalc/internal/database"
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"sneak.berlin/go/simplexcalc/internal/globals"
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"sneak.berlin/go/simplexcalc/internal/handlers"
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"sneak.berlin/go/simplexcalc/internal/logger"
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"sneak.berlin/go/simplexcalc/internal/middleware"
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"sneak.berlin/go/simplexcalc/internal/render"
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"sneak.berlin/go/simplexcalc/internal/server"
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"sneak.berlin/go/simplexcalc/internal/telemetry"
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)
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// Module is every provider the service needs. Constructor order is
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// irrelevant to fx; the order here is the order a reader wants: build
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// metadata, logging, configuration, storage, then the HTTP layer.
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//
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//nolint:gochecknoglobals // an fx module is a declaration, not mutable state.
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var Module = fx.Options(
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fx.Provide(
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globals.New,
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logger.New,
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config.New,
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database.New,
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telemetry.NewSentry,
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telemetry.NewMetrics,
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render.New,
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middleware.New,
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handlers.New,
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server.New,
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),
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// fx's own lifecycle events go through the application logger, so
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// the process emits one stream in one format. Without this, fx
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// prints its own plain-text output to stderr and a log pipeline
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// gets two formats from one process.
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fx.WithLogger(func(l *logger.Logger) fxevent.Logger {
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return &fxevent.SlogLogger{Logger: l.Get()}
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}),
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)
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// Invoke forces the graph to be built. fx constructs lazily: without a
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// request for the Server, a perfectly valid App would start, construct
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// nothing, and serve nothing.
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//
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//nolint:gochecknoglobals // as above.
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var Invoke = fx.Invoke(func(_ *server.Server, log *logger.Logger, cfg *config.Config) {
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if cfg.Debug {
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log.EnableDebugLogging()
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}
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log.Identify()
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})
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// New builds the fx application for `serve`.
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func New(opts ...fx.Option) *fx.App {
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return fx.New(append([]fx.Option{Module, Invoke}, opts...)...)
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}
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// DiscardLogger is a logger that writes nothing, for tests that build
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// the graph and do not want its startup output.
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func DiscardLogger() *slog.Logger {
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return slog.New(slog.DiscardHandler)
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}
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