59 lines
2.5 KiB
Rust
59 lines
2.5 KiB
Rust
//! 背包领域错误。
|
|
//!
|
|
//! 错误保持可测试的业务语义，例如数量不足、槽位冲突和物品不存在。
|
|
|
|
use std::{error::Error, fmt};
|
|
|
|
#[derive(Clone, Debug, PartialEq, Eq)]
|
|
pub enum InventoryMutationFieldError {
|
|
MissingMutationId,
|
|
MissingRuntimeSessionId,
|
|
MissingActorUserId,
|
|
MissingSlotId,
|
|
MissingItemId,
|
|
MissingCategory,
|
|
MissingName,
|
|
InvalidQuantity,
|
|
MissingStackKey,
|
|
NonStackableItemMustStaySingleQuantity,
|
|
EquipmentItemCannotStack,
|
|
SlotScopeMismatch,
|
|
ItemNotFound,
|
|
ItemNotInBackpack,
|
|
ItemNotEquipped,
|
|
InsufficientQuantity,
|
|
ItemNotEquippable,
|
|
}
|
|
|
|
impl fmt::Display for InventoryMutationFieldError {
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
match self {
|
|
Self::MissingMutationId => f.write_str("inventory_mutation.mutation_id 不能为空"),
|
|
Self::MissingRuntimeSessionId => {
|
|
f.write_str("inventory_mutation.runtime_session_id 不能为空")
|
|
}
|
|
Self::MissingActorUserId => f.write_str("inventory_mutation.actor_user_id 不能为空"),
|
|
Self::MissingSlotId => f.write_str("inventory_slot.slot_id 不能为空"),
|
|
Self::MissingItemId => f.write_str("inventory_item.item_id 不能为空"),
|
|
Self::MissingCategory => f.write_str("inventory_item.category 不能为空"),
|
|
Self::MissingName => f.write_str("inventory_item.name 不能为空"),
|
|
Self::InvalidQuantity => f.write_str("inventory_item.quantity 必须大于 0"),
|
|
Self::MissingStackKey => f.write_str("可堆叠物品必须提供 stack_key"),
|
|
Self::NonStackableItemMustStaySingleQuantity => {
|
|
f.write_str("不可堆叠物品必须固定为单槽位单数量")
|
|
}
|
|
Self::EquipmentItemCannotStack => f.write_str("可装备物品不能标记为 stackable"),
|
|
Self::SlotScopeMismatch => {
|
|
f.write_str("当前 inventory_slot 不属于本次 mutation 作用域")
|
|
}
|
|
Self::ItemNotFound => f.write_str("目标 inventory_slot 不存在"),
|
|
Self::ItemNotInBackpack => f.write_str("目标物品当前不在背包中"),
|
|
Self::ItemNotEquipped => f.write_str("目标物品当前不在装备位上"),
|
|
Self::InsufficientQuantity => f.write_str("当前背包数量不足，无法完成扣减"),
|
|
Self::ItemNotEquippable => f.write_str("目标物品当前不可装备"),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Error for InventoryMutationFieldError {}
|