mayhem-db 0.2.0-beta.1

A Discord-like chat application optimized for security, stability, speed, and ultimate customization. => Database Module
Documentation 
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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94

use sea_orm::entity::prelude::*;
use serde::{Deserialize, Serialize};

#[derive(Copy, Clone, Default, Debug, DeriveEntity, Serialize, Deserialize)]
pub struct Entity;

#[derive(Clone, Debug, PartialEq, Eq, DeriveModel, DeriveActiveModel, Serialize, Deserialize)]
pub struct Model {
    pub id: i32,
    pub name: String,
}

#[derive(Copy, Clone, Debug, EnumIter, DeriveColumn, Serialize, Deserialize)]
pub enum Column {
    Id,
    Name,
}

#[derive(Copy, Clone, Debug, EnumIter, DerivePrimaryKey, Serialize, Deserialize)]
pub enum PrimaryKey {
    Id,
}

#[derive(Copy, Clone, Debug, EnumIter, Serialize, Deserialize)]
pub enum Relation {
    Roles,
    Members,
    Channels,
}

impl EntityName for Entity {
    fn table_name(&self) -> &str {
        return "servers";
    }
}

impl ColumnTrait for Column {
    type EntityName = Entity;

    fn def(&self) -> ColumnDef {
        match self {
            Self::Id => ColumnType::Integer.def(),
            Self::Name => ColumnType::Text.def(),
        }
    }
}

impl PrimaryKeyTrait for PrimaryKey {
    type ValueType = i32;

    fn auto_increment() -> bool {
        return true;
    }
}

impl Related<super::role::Entity> for Entity {
    fn to() -> RelationDef {
        return Relation::Roles.def();
    }
}

impl Related<super::member::Entity> for Entity {
    fn to() -> RelationDef {
        return Relation::Members.def();
    }
}

impl Related<super::channel::Entity> for Entity {
    fn to() -> RelationDef {
        return Relation::Channels.def();
    }
}

impl Related<super::super::user::Entity> for Entity {
    fn to() -> RelationDef {
        return super::super::user_server::Relation::User.def();
    }

    fn via() -> Option<RelationDef> {
        return Some(super::super::user_server::Relation::Server.def().rev());
    }
}

impl RelationTrait for Relation {
    fn def(&self) -> RelationDef {
        match self {
            Self::Roles => Entity::has_many(super::role::Entity).into(),
            Self::Members => Entity::has_many(super::member::Entity).into(),
            Self::Channels => Entity::has_many(super::channel::Entity).into(),
        }
    }
}

impl ActiveModelBehavior for ActiveModel {}