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54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package handler
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import (
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"log/slog"
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"net/http"
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"strings"
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"github.com/go-chi/chi/v5"
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"github.com/denisovdennis/autohero/internal/world"
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)
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type MapsHandler struct {
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world *world.Service
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logger *slog.Logger
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}
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func NewMapsHandler(worldSvc *world.Service, logger *slog.Logger) *MapsHandler {
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return &MapsHandler{
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world: worldSvc,
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logger: logger,
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}
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}
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// GetMap returns a deterministic server map with ETag support.
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// GET /api/v1/maps/{mapId}
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func (h *MapsHandler) GetMap(w http.ResponseWriter, r *http.Request) {
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mapID := chi.URLParam(r, "mapId")
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if strings.TrimSpace(mapID) == "" {
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writeJSON(w, http.StatusBadRequest, map[string]string{
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"error": "missing mapId",
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})
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return
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}
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serverMap, etag, ok := h.world.GetMap(mapID)
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if !ok {
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writeJSON(w, http.StatusNotFound, map[string]string{
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"error": "map not found",
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})
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return
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}
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ifNoneMatch := strings.TrimSpace(r.Header.Get("If-None-Match"))
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if ifNoneMatch != "" && ifNoneMatch == etag {
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w.Header().Set("ETag", etag)
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w.WriteHeader(http.StatusNotModified)
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return
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}
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w.Header().Set("ETag", etag)
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writeJSON(w, http.StatusOK, serverMap)
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}
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