Add logger to the server

server/server.go

@@ -2,23 +2,34 @@ package server
 
 import (
 	"fmt"
+	"os"
 
 	"git.ctrlz.es/mgdelacroix/birthdaybot/model"
 	"git.ctrlz.es/mgdelacroix/birthdaybot/parser"
+	"github.com/charmbracelet/log"
 )
 
 type Server struct {
+	logger    *log.Logger
 	config    *model.Config
 	birthdays []*model.Birthday
 }
 
 func New(config *model.Config) (*Server, error) {
+	logger := log.New(os.Stderr)
+
+	logger.Info("Parsing CSV file", "birthdayFile", config.BirthdayFile)
+
 	birthdays, err := parser.ParseCSV(config.BirthdayFile)
 	if err != nil {
+		logger.Error("cannot parse CSV file", "birthdayFile", config.BirthdayFile, "error", err)
 		return nil, fmt.Errorf("cannot parse CSV file %s: %w", config.BirthdayFile, err)
 	}
 
+	logger.Info("creating server")
+
 	server := &Server{
+		logger:    logger,
 		config:    config,
 		birthdays: birthdays,
 	}