mf_model/
error.rs

1use crate::types::NodeId;
2
3/// Error messages for node pool operations
4pub mod error_messages {
5    pub const DUPLICATE_NODE: &str = "重复的节点 ID";
6    pub const PARENT_NOT_FOUND: &str = "父节点不存在";
7    pub const CHILD_NOT_FOUND: &str = "子节点不存在";
8    pub const NODE_NOT_FOUND: &str = "节点不存在";
9    pub const ORPHAN_NODE: &str = "检测到孤立节点";
10    pub const INVALID_PARENTING: &str = "无效的父子关系";
11    pub const INVALID_NODE_ID: &str = "节点ID不匹配";
12    pub const EMPTY_POOL: &str = "节点池为空";
13    pub const CYCLIC_REFERENCE: &str = "检测到循环引用";
14    pub const INVALID_NODE_MOVE: &str = "无效的节点移动";
15    pub const NODE_LOCKED: &str = "节点已被锁定，无法执行操作";
16    pub const NODE_DELETED: &str = "节点已被删除";
17    pub const CANNOT_REMOVE_ROOT: &str = "无法删除根节点";
18}
19
20/// Helper functions for creating node pool errors
21pub mod error_helpers {
22    use super::*;
23
24    pub fn duplicate_node(id: NodeId) -> anyhow::Error {
25        anyhow::anyhow!("{}: {}", error_messages::DUPLICATE_NODE, id)
26    }
27    pub fn schema_error(msg: &str) -> anyhow::Error {
28        anyhow::anyhow!("schema 错误：{}", msg)
29    }
30
31    pub fn parent_not_found(id: NodeId) -> anyhow::Error {
32        anyhow::anyhow!("{}: {}", error_messages::PARENT_NOT_FOUND, id)
33    }
34
35    pub fn child_not_found(id: NodeId) -> anyhow::Error {
36        anyhow::anyhow!("{}: {}", error_messages::CHILD_NOT_FOUND, id)
37    }
38
39    pub fn node_not_found(id: NodeId) -> anyhow::Error {
40        anyhow::anyhow!("{}: {}", error_messages::NODE_NOT_FOUND, id)
41    }
42
43    pub fn orphan_node(id: NodeId) -> anyhow::Error {
44        anyhow::anyhow!("{}: {}", error_messages::ORPHAN_NODE, id)
45    }
46
47    pub fn invalid_parenting(
48        child: NodeId,
49        alleged_parent: NodeId,
50    ) -> anyhow::Error {
51        anyhow::anyhow!(
52            "{}: 子节点 {} 不是父节点 {} 的子节点",
53            error_messages::INVALID_PARENTING,
54            child,
55            alleged_parent
56        )
57    }
58
59    pub fn invalid_node_id(
60        nodeid: NodeId,
61        new_node_id: NodeId,
62    ) -> anyhow::Error {
63        anyhow::anyhow!(
64            "{}: 新节点ID({})与要替换的节点ID({})不一致",
65            error_messages::INVALID_NODE_ID,
66            nodeid,
67            new_node_id
68        )
69    }
70
71    pub fn empty_pool() -> anyhow::Error {
72        anyhow::anyhow!(error_messages::EMPTY_POOL)
73    }
74
75    pub fn cyclic_reference(id: NodeId) -> anyhow::Error {
76        anyhow::anyhow!(
77            "{}: 节点 {} 不能成为自己的祖先",
78            error_messages::CYCLIC_REFERENCE,
79            id
80        )
81    }
82
83    pub fn invalid_node_move(id: NodeId) -> anyhow::Error {
84        anyhow::anyhow!(
85            "{}: 无法将节点 {} 移动到目标位置",
86            error_messages::INVALID_NODE_MOVE,
87            id
88        )
89    }
90
91    pub fn node_locked(id: NodeId) -> anyhow::Error {
92        anyhow::anyhow!("{}: {}", error_messages::NODE_LOCKED, id)
93    }
94
95    pub fn node_deleted(id: NodeId) -> anyhow::Error {
96        anyhow::anyhow!("{}: {}", error_messages::NODE_DELETED, id)
97    }
98
99    pub fn cannot_remove_root() -> anyhow::Error {
100        anyhow::anyhow!(error_messages::CANNOT_REMOVE_ROOT)
101    }
102}
103
104/// A type alias for Result that uses anyhow::Error as the error type.
105pub type PoolResult<T> = anyhow::Result<T>;
mf_model/error.rs

mf_model/
error.rs
