dnswatcher/internal/handlers/handlers.go
sneak 144a2df665 Initial scaffold with per-nameserver DNS monitoring model
Full project structure following upaas conventions: uber/fx DI, go-chi
routing, slog logging, Viper config. State persisted as JSON file with
per-nameserver record tracking for inconsistency detection. Stub
implementations for resolver, portcheck, tlscheck, and watcher.
2026-02-19 21:05:39 +01:00

59 lines
1.2 KiB
Go

// Package handlers provides HTTP request handlers.
package handlers
import (
"encoding/json"
"log/slog"
"net/http"
"go.uber.org/fx"
"sneak.berlin/go/dnswatcher/internal/globals"
"sneak.berlin/go/dnswatcher/internal/healthcheck"
"sneak.berlin/go/dnswatcher/internal/logger"
)
// Params contains dependencies for Handlers.
type Params struct {
fx.In
Logger *logger.Logger
Globals *globals.Globals
Healthcheck *healthcheck.Healthcheck
}
// Handlers provides HTTP request handlers.
type Handlers struct {
log *slog.Logger
params *Params
globals *globals.Globals
hc *healthcheck.Healthcheck
}
// New creates a new Handlers instance.
func New(_ fx.Lifecycle, params Params) (*Handlers, error) {
return &Handlers{
log: params.Logger.Get(),
params: &params,
globals: params.Globals,
hc: params.Healthcheck,
}, nil
}
func (h *Handlers) respondJSON(
writer http.ResponseWriter,
_ *http.Request,
data any,
status int,
) {
writer.Header().Set("Content-Type", "application/json")
writer.WriteHeader(status)
if data != nil {
err := json.NewEncoder(writer).Encode(data)
if err != nil {
h.log.Error("json encode error", "error", err)
}
}
}