cratestack-sql 0.2.0

Rust-native schema-first framework for typed HTTP APIs, generated clients, and backend services.
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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

use cratestack_core::Value;

#[derive(Debug, Clone, PartialEq)]
pub enum SqlValue {
    Bool(bool),
    Int(i64),
    Float(f64),
    String(String),
    Bytes(Vec<u8>),
    Uuid(uuid::Uuid),
    DateTime(chrono::DateTime<chrono::Utc>),
    Json(Value),
    Decimal(cratestack_core::Decimal),
    NullBool,
    NullInt,
    NullFloat,
    NullString,
    NullBytes,
    NullUuid,
    NullDateTime,
    NullJson,
    NullDecimal,
}

#[derive(Debug, Clone, PartialEq)]
pub enum FilterValue {
    None,
    Single(SqlValue),
    Many(Vec<SqlValue>),
}

#[derive(Debug, Clone, PartialEq)]
pub struct SqlColumnValue {
    pub column: &'static str,
    pub value: SqlValue,
}

pub trait CreateModelInput<M> {
    fn sql_values(&self) -> Vec<SqlColumnValue>;
    /// Run schema-derived validators (`@length`, `@email`, `@regex`, ...) on
    /// the input. Default impl is a no-op for inputs without validators.
    fn validate(&self) -> Result<(), cratestack_core::CoolError> {
        Ok(())
    }
}

pub trait UpdateModelInput<M> {
    fn sql_values(&self) -> Vec<SqlColumnValue>;
    fn validate(&self) -> Result<(), cratestack_core::CoolError> {
        Ok(())
    }
}

pub trait IntoSqlValue {
    fn into_sql_value(self) -> SqlValue;
}

impl IntoSqlValue for bool {
    fn into_sql_value(self) -> SqlValue {
        SqlValue::Bool(self)
    }
}

impl IntoSqlValue for i64 {
    fn into_sql_value(self) -> SqlValue {
        SqlValue::Int(self)
    }
}

impl IntoSqlValue for f64 {
    fn into_sql_value(self) -> SqlValue {
        SqlValue::Float(self)
    }
}

impl IntoSqlValue for String {
    fn into_sql_value(self) -> SqlValue {
        SqlValue::String(self)
    }
}

impl IntoSqlValue for &str {
    fn into_sql_value(self) -> SqlValue {
        SqlValue::String(self.to_owned())
    }
}

impl IntoSqlValue for uuid::Uuid {
    fn into_sql_value(self) -> SqlValue {
        SqlValue::Uuid(self)
    }
}

impl IntoSqlValue for chrono::DateTime<chrono::Utc> {
    fn into_sql_value(self) -> SqlValue {
        SqlValue::DateTime(self)
    }
}

impl IntoSqlValue for Value {
    fn into_sql_value(self) -> SqlValue {
        SqlValue::Json(self)
    }
}

impl IntoSqlValue for cratestack_core::Decimal {
    fn into_sql_value(self) -> SqlValue {
        SqlValue::Decimal(self)
    }
}