DNF90 服务端与启动器完整源码（含 GM 工具功能增强）
服务端（Go）： - GM 塞背包/带属性装备发放：在线角色推送 op14 增量物品行，背包实时刷新，无需回角色选择界面 - GM 改金币/改等级：去掉在线拒绝，落库后推送 op14 钱包/op37 等级状态，在线实时刷新 - 等级端点统一切换到新版 GMSetCharacterLevel（自带在线刷新） - 无限/锁死疲劳模式 + 燃烧疲劳：每房间消耗 2 点、打怪与通关经验双倍 - 燃烧疲劳开关时给所有在线角色推送系统提示（op12 mode 0） - 深渊史诗掉率：GM 全局倍率 + 城镇增益药剂窗口倍率，真实接入掉落结算 启动器（Python/JS）： - 标题栏自绘、窗口 1204x717、禁止拖拽改大小、仅最小化/关闭 - GM 工具：疲劳与燃烧、深渊史诗掉率、拍卖行上架（单一定价对齐） - 拍卖行上架前端对齐服务端单一价格语义，修复 400 报错
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package rental
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import (
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"context"
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"errors"
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"fmt"
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"math"
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"strconv"
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"strings"
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"time"
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dnfrepo "longheng.io/server/internal/modules/dnf/repository"
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)
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const PointMetadataKey = "rental_lucky_stars"
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var (
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ErrOwnerUnavailable = errors.New("rental owner is unavailable")
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ErrAccountRequired = errors.New("rental account id is required")
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ErrCharacterRequired = errors.New("rental character id is required")
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ErrStateMissing = errors.New("rental asset state is missing")
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ErrOwnerMismatch = errors.New("rental asset owner mismatch")
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ErrPointsInsufficient = errors.New("rental points are insufficient")
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ErrGoldInsufficient = errors.New("rental point gold is insufficient")
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ErrPointLimit = errors.New("rental point limit exceeded")
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ErrProjectorRequired = errors.New("rental mutation projector is required")
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ErrCommandInvalid = errors.New("rental command is invalid")
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)
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type WalletResult struct {
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Points uint32
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Gold int64
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}
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type Assets struct {
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Character *dnfrepo.CharacterRecord
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Inventory *dnfrepo.InventoryRecord
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Equipment *dnfrepo.EquipmentRecord
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}
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type Changes struct {
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Inventory bool
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Equipment bool
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}
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type Projector func(*Assets) (Changes, error)
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type ChargeCommand struct {
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AccountID string
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CharacterID string
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Count uint32
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Limit uint32
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GoldPerPoint int64
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UpdatedAt time.Time
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}
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type RentCommand struct {
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AccountID string
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CharacterID string
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PointCost uint32
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UpdatedAt time.Time
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Project Projector
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}
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type CleanupCommand struct {
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AccountID string
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CharacterID string
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UpdatedAt time.Time
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Project Projector
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}
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// Owner owns rental wallet rules, account/character authorization, and the
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// atomic account, character, inventory, and equipment commit. PVF validation
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// and current-client raw-row projection remain in the bridge.
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type Owner struct {
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assets dnfrepo.RentalAssetUnitOfWork
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}
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func NewOwner(repositories dnfrepo.Group) (*Owner, error) {
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if repositories.RentalAssets == nil {
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return nil, ErrOwnerUnavailable
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}
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return &Owner{assets: repositories.RentalAssets}, nil
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}
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func (o *Owner) Charge(ctx context.Context, command ChargeCommand) (WalletResult, error) {
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if command.Count == 0 || command.Limit == 0 || command.GoldPerPoint <= 0 {
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return WalletResult{}, ErrCommandInvalid
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}
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if int64(command.Count) > math.MaxInt64/command.GoldPerPoint {
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return WalletResult{}, ErrPointLimit
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}
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cost := int64(command.Count) * command.GoldPerPoint
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var result WalletResult
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err := o.withinOwners(ctx, command.AccountID, command.CharacterID, func(
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accounts dnfrepo.AccountRepository,
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characters dnfrepo.CharacterRepository,
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_ dnfrepo.InventoryRepository,
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_ dnfrepo.EquipmentRepository,
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account dnfrepo.AccountRecord,
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character dnfrepo.CharacterRecord,
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) error {
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points, err := Points(account)
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if err != nil {
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return err
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}
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if uint64(points)+uint64(command.Count) > uint64(command.Limit) {
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return ErrPointLimit
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}
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gold := character.Stats["gold"]
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if gold < cost {
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return ErrGoldInsufficient
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}
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points += command.Count
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gold -= cost
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if character.Stats == nil {
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character.Stats = make(map[string]int64)
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}
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character.Stats["gold"] = gold
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SetPoints(&account, points)
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now := normalizedTime(command.UpdatedAt)
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account.UpdatedAt = now
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character.UpdatedAt = now
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if err := accounts.Save(ctx, account); err != nil {
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return err
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}
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if err := dnfrepo.SaveCharacterFields(ctx, characters, character, dnfrepo.CharacterFieldStats); err != nil {
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return err
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}
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result = WalletResult{Points: points, Gold: gold}
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return nil
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})
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if err != nil {
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return WalletResult{}, err
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}
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return result, nil
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}
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func (o *Owner) Rent(ctx context.Context, command RentCommand) (WalletResult, error) {
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if command.PointCost == 0 {
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return WalletResult{}, ErrCommandInvalid
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}
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if command.Project == nil {
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return WalletResult{}, ErrProjectorRequired
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}
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var result WalletResult
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err := o.withinOwners(ctx, command.AccountID, command.CharacterID, func(
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accounts dnfrepo.AccountRepository,
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_ dnfrepo.CharacterRepository,
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inventories dnfrepo.InventoryRepository,
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equipmentRepo dnfrepo.EquipmentRepository,
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account dnfrepo.AccountRecord,
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character dnfrepo.CharacterRecord,
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) error {
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points, err := Points(account)
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if err != nil {
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return err
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}
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if points < command.PointCost {
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return ErrPointsInsufficient
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}
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inventory, equipment, err := loadRentalItems(ctx, inventories, equipmentRepo, command.CharacterID)
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if err != nil {
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return err
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}
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changes, err := command.Project(&Assets{
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Character: &character,
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Inventory: &inventory,
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Equipment: &equipment,
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})
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if err != nil {
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return err
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}
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points -= command.PointCost
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SetPoints(&account, points)
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now := normalizedTime(command.UpdatedAt)
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account.UpdatedAt = now
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if err := accounts.Save(ctx, account); err != nil {
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return err
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}
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if changes.Inventory {
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inventory.UpdatedAt = now
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if err := dnfrepo.SaveInventoryFields(ctx, inventories, inventory, dnfrepo.InventoryFieldSlots); err != nil {
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return err
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}
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}
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if changes.Equipment {
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equipment.UpdatedAt = now
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if err := dnfrepo.SaveEquipmentFields(ctx, equipmentRepo, equipment, dnfrepo.EquipmentFieldEntries); err != nil {
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return err
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}
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}
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result = WalletResult{Points: points, Gold: character.Stats["gold"]}
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return nil
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})
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if err != nil {
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return WalletResult{}, err
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}
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return result, nil
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}
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func (o *Owner) Cleanup(ctx context.Context, command CleanupCommand) error {
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if command.Project == nil {
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return ErrProjectorRequired
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}
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return o.withinOwners(ctx, command.AccountID, command.CharacterID, func(
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_ dnfrepo.AccountRepository,
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_ dnfrepo.CharacterRepository,
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inventories dnfrepo.InventoryRepository,
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equipmentRepo dnfrepo.EquipmentRepository,
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_ dnfrepo.AccountRecord,
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character dnfrepo.CharacterRecord,
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) error {
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inventory, equipment, err := loadRentalItems(ctx, inventories, equipmentRepo, command.CharacterID)
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if err != nil {
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return err
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}
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changes, err := command.Project(&Assets{
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Character: &character,
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Inventory: &inventory,
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Equipment: &equipment,
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})
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if err != nil {
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return err
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}
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now := normalizedTime(command.UpdatedAt)
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if changes.Inventory {
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inventory.UpdatedAt = now
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if err := dnfrepo.SaveInventoryFields(ctx, inventories, inventory, dnfrepo.InventoryFieldSlots); err != nil {
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return err
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}
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}
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if changes.Equipment {
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equipment.UpdatedAt = now
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if err := dnfrepo.SaveEquipmentFields(ctx, equipmentRepo, equipment, dnfrepo.EquipmentFieldEntries); err != nil {
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return err
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}
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}
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return nil
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})
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}
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func (o *Owner) withinOwners(
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ctx context.Context,
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accountID string,
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characterID string,
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apply func(
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dnfrepo.AccountRepository,
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dnfrepo.CharacterRepository,
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dnfrepo.InventoryRepository,
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dnfrepo.EquipmentRepository,
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dnfrepo.AccountRecord,
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dnfrepo.CharacterRecord,
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) error,
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) error {
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if o == nil || o.assets == nil {
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return ErrOwnerUnavailable
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}
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accountID = strings.TrimSpace(accountID)
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characterID = strings.TrimSpace(characterID)
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if accountID == "" {
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return ErrAccountRequired
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}
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if characterID == "" {
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return ErrCharacterRequired
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}
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if ctx == nil {
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ctx = context.Background()
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}
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if err := ctx.Err(); err != nil {
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return err
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}
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return dnfrepo.WithinRentalAssetsScoped(ctx, o.assets, accountID, characterID, func(
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accounts dnfrepo.AccountRepository,
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characters dnfrepo.CharacterRepository,
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inventories dnfrepo.InventoryRepository,
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equipment dnfrepo.EquipmentRepository,
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) error {
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if accounts == nil || characters == nil || inventories == nil || equipment == nil {
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return ErrOwnerUnavailable
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}
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account, accountFound, err := accounts.Load(ctx, accountID)
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if err != nil {
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return err
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}
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character, characterFound, err := characters.Load(ctx, characterID)
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if err != nil {
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return err
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}
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if !accountFound || !characterFound {
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return ErrStateMissing
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}
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if strings.TrimSpace(account.AccountID) != accountID ||
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strings.TrimSpace(character.CharacterID) != characterID ||
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strings.TrimSpace(character.AccountID) != accountID {
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return ErrOwnerMismatch
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}
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account = dnfrepo.CloneAccount(account)
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character = dnfrepo.CloneCharacter(character)
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return apply(accounts, characters, inventories, equipment, account, character)
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})
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}
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func Points(account dnfrepo.AccountRecord) (uint32, error) {
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raw := ""
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if account.Metadata != nil {
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raw = strings.TrimSpace(account.Metadata[PointMetadataKey])
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}
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if raw == "" {
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return 0, nil
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}
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value, err := strconv.ParseUint(raw, 10, 32)
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if err != nil {
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return 0, fmt.Errorf("invalid %s=%q: %w", PointMetadataKey, raw, err)
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}
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return uint32(value), nil
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}
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func SetPoints(account *dnfrepo.AccountRecord, points uint32) {
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if account.Metadata == nil {
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account.Metadata = make(map[string]string)
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}
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account.Metadata[PointMetadataKey] = strconv.FormatUint(uint64(points), 10)
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}
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func loadRentalItems(
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ctx context.Context,
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inventories dnfrepo.InventoryRepository,
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equipment dnfrepo.EquipmentRepository,
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characterID string,
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) (dnfrepo.InventoryRecord, dnfrepo.EquipmentRecord, error) {
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inventory, inventoryFound, err := inventories.Load(ctx, characterID)
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if err != nil {
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return dnfrepo.InventoryRecord{}, dnfrepo.EquipmentRecord{}, err
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}
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if !inventoryFound {
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inventory = dnfrepo.InventoryRecord{CharacterID: characterID}
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}
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inventory = dnfrepo.CloneInventory(inventory)
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if inventory.Slots == nil {
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inventory.Slots = make(map[string]dnfrepo.ItemStack)
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}
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worn, equipmentFound, err := equipment.Load(ctx, characterID)
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if err != nil {
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return dnfrepo.InventoryRecord{}, dnfrepo.EquipmentRecord{}, err
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}
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if !equipmentFound {
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worn = dnfrepo.EquipmentRecord{CharacterID: characterID}
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}
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worn = dnfrepo.CloneEquipment(worn)
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if worn.Entries == nil {
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worn.Entries = make(map[string]dnfrepo.EquipmentEntry)
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}
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return inventory, worn, nil
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}
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func normalizedTime(value time.Time) time.Time {
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value = value.UTC()
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if value.IsZero() {
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return time.Now().UTC()
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}
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return value
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}
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