Added "create list" handler, service + repository

internal/api/handler/list.go

@@ -0,0 +1,35 @@
+package handler
+
+import (
+	"log/slog"
+	"net/http"
+
+	"github.com/robindittmar/dttmr-api/internal/api/request"
+	"github.com/robindittmar/dttmr-api/internal/api/response"
+	"github.com/robindittmar/dttmr-api/internal/domain"
+)
+
+type ListHandler struct {
+	ListService *domain.ListService
+}
+
+func (h *ListHandler) CreateList(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
+
+	payload, err := request.DecodeCreateList(r)
+	if err != nil {
+		slog.ErrorContext(ctx, "Failed to decode create list payload", slog.Any("error", err))
+		response.Error(ctx, w, http.StatusBadRequest, "Failed to decode request body")
+		return
+	}
+
+	list, err := h.ListService.Create(ctx, payload.Name, payload.UserIDs)
+	if err != nil {
+		slog.ErrorContext(ctx, "Failed to create list", slog.Any("error", err))
+		response.Error(ctx, w, http.StatusInternalServerError, "Failed to create list")
+		return
+	}
+
+	slog.InfoContext(ctx, "Created list successfully", slog.Any("list_id", list.ID))
+	response.JSON(ctx, w, http.StatusCreated, list)
+}

internal/api/request/list.go

@@ -0,0 +1,27 @@
+package request
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+type CreateListPayload struct {
+	Name    string   `json:"name"`
+	UserIDs []string `json:"user_ids"`
+}
+
+func DecodeCreateList(r *http.Request) (CreateListPayload, error) {
+	var payload CreateListPayload
+
+	r.Body = http.MaxBytesReader(nil, r.Body, 1024*64)
+
+	decoder := json.NewDecoder(r.Body)
+	decoder.DisallowUnknownFields()
+
+	if err := decoder.Decode(&payload); err != nil {
+		return payload, fmt.Errorf("error decoding create list payload: %w", err)
+	}
+
+	return payload, nil
+}

internal/api/router/router.go

@@ -1,20 +1,32 @@
 package router
 
 import (
+	"database/sql"
 	"net/http"
 
 	"github.com/robindittmar/dttmr-api/internal/api/handler"
 	"github.com/robindittmar/dttmr-api/internal/api/middleware"
+	"github.com/robindittmar/dttmr-api/internal/domain"
+	"github.com/robindittmar/dttmr-api/internal/repository"
 )
 
-type Config struct{}
+type Config struct {
+	Database *sql.DB
+}
 
 func NewMux(cfg Config) http.Handler {
+	listRepo := repository.NewListRepo(cfg.Database)
+	listService := domain.NewListService(listRepo)
+
+	listHandler := handler.ListHandler{ListService: listService}
+
 	mux := http.NewServeMux()
 
 	mux.HandleFunc("/", handler.DefaultHandler)
 	mux.HandleFunc("GET /health", handler.HealthHandler)
 
+	mux.HandleFunc("POST /lists", listHandler.CreateList)
+
 	var httpHandler http.Handler = mux
 	httpHandler = middleware.WithTelemetry(httpHandler)