viz_core/types/
form.rs

1//! Request Form Body Extractor
2
3use std::{
4    fmt,
5    ops::{Deref, DerefMut},
6};
7
8use serde::de::DeserializeOwned;
9
10use crate::{FromRequest, Request, RequestExt, Result};
11
12use super::{Payload, PayloadError};
13
14/// Extracts from-data from the body of a request.
15pub struct Form<T = ()>(pub T);
16
17impl<T> Form<T> {
18    /// Create new `Form` instance.
19    #[inline]
20    pub const fn new(data: T) -> Self {
21        Self(data)
22    }
23
24    /// Consumes the Form, returning the wrapped value.
25    #[inline]
26    pub fn into_inner(self) -> T {
27        self.0
28    }
29}
30
31impl<T> Clone for Form<T>
32where
33    T: Clone,
34{
35    fn clone(&self) -> Self {
36        Self(self.0.clone())
37    }
38}
39
40impl<T> AsRef<T> for Form<T> {
41    fn as_ref(&self) -> &T {
42        &self.0
43    }
44}
45
46impl<T> Deref for Form<T> {
47    type Target = T;
48
49    fn deref(&self) -> &T {
50        &self.0
51    }
52}
53
54impl<T> DerefMut for Form<T> {
55    fn deref_mut(&mut self) -> &mut T {
56        &mut self.0
57    }
58}
59
60impl<T> fmt::Debug for Form<T>
61where
62    T: fmt::Debug,
63{
64    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
65        T::fmt(self, f)
66    }
67}
68
69impl<T> Payload for Form<T> {
70    const NAME: &'static str = "form";
71
72    // 32KB
73    const LIMIT: u64 = 1024 * 32;
74
75    fn detect(m: &mime::Mime) -> bool {
76        m.type_() == mime::APPLICATION && m.subtype() == mime::WWW_FORM_URLENCODED
77    }
78
79    fn mime() -> mime::Mime {
80        mime::APPLICATION_WWW_FORM_URLENCODED
81    }
82}
83
84impl<T> FromRequest for Form<T>
85where
86    T: DeserializeOwned,
87{
88    type Error = PayloadError;
89
90    #[inline]
91    async fn extract(req: &mut Request) -> Result<Self, Self::Error> {
92        req.form().await.map(Self)
93    }
94}
viz_core/types/form.rs

viz_core/types/
form.rs
