nova-forms 0.1.11

Build online forms with ease.
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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158


use std::{cell::LazyCell, convert::Infallible, fmt::{self, Display, Debug}, marker::PhantomData, ops::Deref, str::FromStr};

use leptos::IntoAttribute;
use regex::Regex;

use super::Datatype;

pub trait Rule: 'static {
    const REGEX: LazyCell<Regex>;
    const DEFAULT: &'static str;
    const ATTRIBUTES: &'static [(&'static str, &'static str)] = &[("type", "text")];
}

pub struct Field<R: Rule> {
    value: String,
    _rule: PhantomData<R>,
}

pub enum FieldError<R: Rule> {
    InvalidFormat(PhantomData<R>),
}

impl<R: Rule> Debug for FieldError<R> {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "FieldError({:?})", self)
    }
}

impl<R: Rule> Display for FieldError<R> {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match self {
            Self::InvalidFormat(_) => write!(f, "invalid format"),
        }
    }
}

impl<R: Rule> std::error::Error for FieldError<R> {}

impl<R: Rule> Clone for FieldError<R> {
    fn clone(&self) -> Self {
        match self {
            Self::InvalidFormat(_) => Self::InvalidFormat(PhantomData),
        }
    }
}

impl<R: Rule> Copy for FieldError<R> {}

impl<R: Rule> PartialEq for FieldError<R> {
    fn eq(&self, other: &Self) -> bool {
        matches!(self, Self::InvalidFormat(_)) && matches!(other, Self::InvalidFormat(_))
    }
}

impl<R: Rule> Eq for FieldError<R> {}

impl<R: Rule> From<Infallible> for FieldError<R> {
    fn from(_: Infallible) -> Self {
        unreachable!()
    }
}

impl<R: Rule> Datatype for Field<R> {
    type Inner = String;
    type Error = FieldError<R>;

    fn validate(input: String) -> Result<Field<R>, FieldError<R>> {
        if !R::REGEX.is_match(&input) {
            Err(FieldError::InvalidFormat(PhantomData))
        } else {
            Ok(Field {
                value: input,
                _rule: PhantomData,
            })
        }
    }

    fn attributes() -> Vec<(&'static str, leptos::Attribute)> {
        vec![("type", "text".into_attribute())]
    }
}

impl<R: Rule> Clone for Field<R> {
    fn clone(&self) -> Self {
        Self {
            value: self.value.clone(),
            _rule: PhantomData,
        }
    }
}

impl<R: Rule> PartialEq for Field<R> {
    fn eq(&self, other: &Self) -> bool {
        self.value == other.value
    }
}

impl<R: Rule> Eq for Field<R> {}

impl<R: Rule> Default for Field<R> {
    fn default() -> Self {
        Self::validate(R::DEFAULT.into()).unwrap()
    }
}

impl<R: Rule> Display for Field<R> {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", self.value)
    }
}

impl<R: Rule> Debug for Field<R> {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "Field({:?})", self.value)
    }
}

impl<R: Rule> Deref for Field<R> {
    type Target = str;

    fn deref(&self) -> &Self::Target {
        &self.value
    }
}

impl<R: Rule> Into<String> for Field<R> {
    fn into(self) -> String {
        self.value
    }
}

impl<R: Rule> FromStr for Field<R> {
    type Err = <Self as Datatype>::Error;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        <Self as Datatype>::validate(<Self as Datatype>::Inner::from_str(s).map_err(<Self as Datatype>::Error::from)?)
    }
}

impl<'de, R: Rule> serde::Deserialize<'de> for Field<R> {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        let value = <Self as Datatype>::Inner::deserialize(deserializer)?;
        Self::validate(value).map_err(serde::de::Error::custom)
    }
}

impl<R: Rule> serde::Serialize for Field<R> {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: serde::Serializer,
    {
        self.value.serialize(serializer)
    }
}