risingwave_frontend/user/
user_manager.rs1use std::collections::HashMap;
16
17use itertools::Itertools;
18use risingwave_pb::user::{GrantPrivilege, UserInfo};
19
20use crate::user::UserId;
21use crate::user::user_catalog::UserCatalog;
22
23pub struct UserInfoManager {
25 user_by_name: HashMap<String, UserCatalog>,
26 user_name_by_id: HashMap<UserId, String>,
27}
28
29#[expect(clippy::derivable_impls)]
30impl Default for UserInfoManager {
31 fn default() -> Self {
32 UserInfoManager {
33 user_by_name: HashMap::new(),
34 user_name_by_id: HashMap::new(),
35 }
36 }
37}
38
39impl UserInfoManager {
40 pub fn get_user_mut(&mut self, id: UserId) -> Option<&mut UserCatalog> {
41 let name = self.user_name_by_id.get(&id)?;
42 self.user_by_name.get_mut(name)
43 }
44
45 pub fn get_all_users(&self) -> Vec<UserCatalog> {
46 self.user_by_name.values().cloned().collect_vec()
47 }
48
49 pub fn get_user_by_name(&self, user_name: &str) -> Option<&UserCatalog> {
50 self.user_by_name.get(user_name)
51 }
52
53 pub fn get_user_by_id(&self, id: &UserId) -> Option<&UserCatalog> {
54 let name = self.user_name_by_id.get(id)?;
55 self.user_by_name.get(name)
56 }
57
58 pub fn get_user_name_by_id(&self, id: UserId) -> Option<String> {
59 self.user_name_by_id.get(&id).cloned()
60 }
61
62 pub fn get_user_name_map(&self) -> &HashMap<UserId, String> {
63 &self.user_name_by_id
64 }
65
66 pub fn create_user(&mut self, user_info: UserInfo) {
67 let id = user_info.id;
68 let name = user_info.name.clone();
69 self.user_by_name
70 .try_insert(name.clone(), user_info.into())
71 .unwrap();
72 self.user_name_by_id.try_insert(id, name).unwrap();
73 }
74
75 pub fn drop_user(&mut self, id: UserId) {
76 let name = self.user_name_by_id.remove(&id).unwrap();
77 self.user_by_name.remove(&name).unwrap();
78 }
79
80 pub fn update_user(&mut self, user_info: UserInfo) {
81 let id = user_info.id;
82 let name = user_info.name.clone();
83 if let Some(old_name) = self.get_user_name_by_id(id) {
84 self.user_by_name.remove(&old_name);
85 self.user_by_name.insert(name.clone(), user_info.into());
86 } else {
87 self.user_by_name
88 .insert(name.clone(), user_info.into())
89 .unwrap();
90 }
91 self.user_name_by_id.insert(id, name).unwrap();
92 }
93
94 pub fn authorize(&mut self, _user_name: &str, _password: &str) -> bool {
95 todo!()
96 }
97
98 pub fn verify(&self, _user_name: &str, _privileges: &[GrantPrivilege]) -> bool {
99 todo!()
100 }
101
102 pub fn clear(&mut self) {
103 self.user_by_name.clear();
104 self.user_name_by_id.clear();
105 }
106}