1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55

// MIT License
//
// Copyright (c) 2018 Hans-Martin Will
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

use users;

use super::schema;

/// Session state maintainefor interactions with the database.
pub struct Session {
    /// The database object describing all known schemata
    pub database: schema::Database,

    /// The user name associated with this session
    pub user: String,

    /// The default schema associated with this session; for now, this is the same as the user name
    pub default_schema: String,
}

impl Session {
    pub fn new() -> Session {
        let username = users::get_current_username().unwrap();
        let mut database = schema::Database::new();
        database.create_schema(&username).expect(
            "Database expected to be empty",
        );

        Session {
            database,
            user: username.clone(),

            // we are using the OS user name as schema
            default_schema: username.clone(),
        }
    }
}