feat: game lobby service
This commit is contained in:
Ilia Denisov
@@ -0,0 +1,243 @@
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package publichttp
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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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"galaxy/lobby/internal/domain/common"
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"galaxy/lobby/internal/domain/invite"
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"galaxy/lobby/internal/service/createinvite"
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"galaxy/lobby/internal/service/declineinvite"
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"galaxy/lobby/internal/service/redeeminvite"
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"galaxy/lobby/internal/service/revokeinvite"
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"galaxy/lobby/internal/service/shared"
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)
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// Public HTTP route patterns for the invite surface.
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const (
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createInvitePath = "/api/v1/lobby/games/{game_id}/invites"
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redeemInvitePath = "/api/v1/lobby/games/{game_id}/invites/{invite_id}/redeem"
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declineInvitePath = "/api/v1/lobby/games/{game_id}/invites/{invite_id}/decline"
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revokeInvitePath = "/api/v1/lobby/games/{game_id}/invites/{invite_id}/revoke"
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inviteIDPathParamValue = "invite_id"
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)
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// createInviteRequest is the JSON shape for
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// `POST /api/v1/lobby/games/{game_id}/invites`.
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type createInviteRequest struct {
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InviteeUserID string `json:"invitee_user_id"`
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}
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// redeemInviteRequest is the JSON shape for
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// `POST /api/v1/lobby/games/{game_id}/invites/{invite_id}/redeem`.
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type redeemInviteRequest struct {
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RaceName string `json:"race_name"`
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}
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// inviteRecordResponse mirrors the OpenAPI InviteRecord schema. RaceName is
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// omitted from the wire shape until the invite transitions to redeemed.
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type inviteRecordResponse struct {
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InviteID string `json:"invite_id"`
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GameID string `json:"game_id"`
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InviterUserID string `json:"inviter_user_id"`
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InviteeUserID string `json:"invitee_user_id"`
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RaceName string `json:"race_name,omitempty"`
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Status string `json:"status"`
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CreatedAt int64 `json:"created_at"`
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ExpiresAt int64 `json:"expires_at"`
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DecidedAt *int64 `json:"decided_at,omitempty"`
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}
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func encodeInviteRecord(record invite.Invite) inviteRecordResponse {
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resp := inviteRecordResponse{
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InviteID: record.InviteID.String(),
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GameID: record.GameID.String(),
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InviterUserID: record.InviterUserID,
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InviteeUserID: record.InviteeUserID,
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RaceName: record.RaceName,
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Status: string(record.Status),
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CreatedAt: record.CreatedAt.UTC().UnixMilli(),
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ExpiresAt: record.ExpiresAt.UTC().UnixMilli(),
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}
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if record.DecidedAt != nil {
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decided := record.DecidedAt.UTC().UnixMilli()
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resp.DecidedAt = &decided
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}
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return resp
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}
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// registerInviteRoutes binds the four invite routes.
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func registerInviteRoutes(mux *http.ServeMux, deps Dependencies, logger *slog.Logger) {
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h := &inviteHandlers{
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deps: deps,
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logger: logger.With("component", "public_http.invites"),
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}
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mux.HandleFunc("POST "+createInvitePath, h.handleCreate)
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mux.HandleFunc("POST "+redeemInvitePath, h.handleRedeem)
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mux.HandleFunc("POST "+declineInvitePath, h.handleDecline)
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mux.HandleFunc("POST "+revokeInvitePath, h.handleRevoke)
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}
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type inviteHandlers struct {
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deps Dependencies
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logger *slog.Logger
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}
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func (h *inviteHandlers) extractGameID(writer http.ResponseWriter, request *http.Request) (common.GameID, bool) {
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raw := request.PathValue(gameIDPathParamValue)
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if strings.TrimSpace(raw) == "" {
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writeError(writer, http.StatusBadRequest, "invalid_request", "game id is required")
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return "", false
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}
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return common.GameID(raw), true
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}
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func (h *inviteHandlers) extractInviteID(writer http.ResponseWriter, request *http.Request) (common.InviteID, bool) {
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raw := request.PathValue(inviteIDPathParamValue)
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if strings.TrimSpace(raw) == "" {
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writeError(writer, http.StatusBadRequest, "invalid_request", "invite id is required")
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return "", false
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}
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return common.InviteID(raw), true
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}
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func (h *inviteHandlers) requireUserActor(writer http.ResponseWriter, request *http.Request) (string, bool) {
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userID := strings.TrimSpace(request.Header.Get(xUserIDHeader))
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if userID == "" {
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writeError(writer, http.StatusBadRequest, "invalid_request",
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"X-User-ID header is required")
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return "", false
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}
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return userID, true
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}
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func (h *inviteHandlers) handleCreate(writer http.ResponseWriter, request *http.Request) {
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if h.deps.CreateInvite == nil {
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writeError(writer, http.StatusInternalServerError, "internal_error", "create invite service is not wired")
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return
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}
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userID, ok := h.requireUserActor(writer, request)
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if !ok {
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return
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}
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gameID, ok := h.extractGameID(writer, request)
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if !ok {
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return
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}
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var body createInviteRequest
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if err := decodeStrictJSON(request.Body, &body); err != nil {
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writeError(writer, http.StatusBadRequest, "invalid_request", err.Error())
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return
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}
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record, err := h.deps.CreateInvite.Handle(request.Context(), createinvite.Input{
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Actor: shared.NewUserActor(userID),
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GameID: gameID,
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InviteeUserID: body.InviteeUserID,
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})
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if err != nil {
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writeErrorFromService(writer, h.logger, err)
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return
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}
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writeJSON(writer, http.StatusCreated, encodeInviteRecord(record))
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}
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func (h *inviteHandlers) handleRedeem(writer http.ResponseWriter, request *http.Request) {
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if h.deps.RedeemInvite == nil {
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writeError(writer, http.StatusInternalServerError, "internal_error", "redeem invite service is not wired")
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return
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}
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userID, ok := h.requireUserActor(writer, request)
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if !ok {
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return
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}
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gameID, ok := h.extractGameID(writer, request)
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if !ok {
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return
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}
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inviteID, ok := h.extractInviteID(writer, request)
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if !ok {
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return
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}
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var body redeemInviteRequest
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if err := decodeStrictJSON(request.Body, &body); err != nil {
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writeError(writer, http.StatusBadRequest, "invalid_request", err.Error())
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return
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}
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record, err := h.deps.RedeemInvite.Handle(request.Context(), redeeminvite.Input{
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Actor: shared.NewUserActor(userID),
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GameID: gameID,
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InviteID: inviteID,
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RaceName: body.RaceName,
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})
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if err != nil {
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writeErrorFromService(writer, h.logger, err)
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return
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}
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writeJSON(writer, http.StatusOK, encodeMembershipRecord(record))
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}
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func (h *inviteHandlers) handleDecline(writer http.ResponseWriter, request *http.Request) {
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if h.deps.DeclineInvite == nil {
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writeError(writer, http.StatusInternalServerError, "internal_error", "decline invite service is not wired")
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return
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}
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userID, ok := h.requireUserActor(writer, request)
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if !ok {
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return
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}
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gameID, ok := h.extractGameID(writer, request)
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if !ok {
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return
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}
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inviteID, ok := h.extractInviteID(writer, request)
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if !ok {
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return
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}
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record, err := h.deps.DeclineInvite.Handle(request.Context(), declineinvite.Input{
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Actor: shared.NewUserActor(userID),
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GameID: gameID,
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InviteID: inviteID,
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})
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if err != nil {
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writeErrorFromService(writer, h.logger, err)
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return
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}
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writeJSON(writer, http.StatusOK, encodeInviteRecord(record))
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}
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func (h *inviteHandlers) handleRevoke(writer http.ResponseWriter, request *http.Request) {
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if h.deps.RevokeInvite == nil {
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writeError(writer, http.StatusInternalServerError, "internal_error", "revoke invite service is not wired")
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return
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}
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userID, ok := h.requireUserActor(writer, request)
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if !ok {
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return
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}
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gameID, ok := h.extractGameID(writer, request)
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if !ok {
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return
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}
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inviteID, ok := h.extractInviteID(writer, request)
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if !ok {
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return
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}
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record, err := h.deps.RevokeInvite.Handle(request.Context(), revokeinvite.Input{
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Actor: shared.NewUserActor(userID),
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GameID: gameID,
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InviteID: inviteID,
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})
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if err != nil {
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writeErrorFromService(writer, h.logger, err)
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return
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}
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writeJSON(writer, http.StatusOK, encodeInviteRecord(record))
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}
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