utoipa/openapi/content.rs
1//! Implements content object for request body and response.
2use std::collections::BTreeMap;
3
4use serde::{Deserialize, Serialize};
5
6use serde_json::Value;
7
8use super::builder;
9use super::example::Example;
10use super::{encoding::Encoding, set_value, RefOr, Schema};
11
12builder! {
13 ContentBuilder;
14
15
16 /// Content holds request body content or response content.
17 #[derive(Serialize, Deserialize, Default, Clone, PartialEq)]
18 #[cfg_attr(feature = "debug", derive(Debug))]
19 #[non_exhaustive]
20 pub struct Content {
21 /// Schema used in response body or request body.
22 pub schema: RefOr<Schema>,
23
24 /// Example for request body or response body.
25 #[serde(skip_serializing_if = "Option::is_none")]
26 pub example: Option<Value>,
27
28 /// Examples of the request body or response body. [`Content::examples`] should match to
29 /// media type and specified schema if present. [`Content::examples`] and
30 /// [`Content::example`] are mutually exclusive. If both are defined `examples` will
31 /// override value in `example`.
32 #[serde(skip_serializing_if = "BTreeMap::is_empty", default)]
33 pub examples: BTreeMap<String, RefOr<Example>>,
34
35 /// A map between a property name and its encoding information.
36 ///
37 /// The key, being the property name, MUST exist in the [`Content::schema`] as a property, with
38 /// `schema` being a [`Schema::Object`] and this object containing the same property key in
39 /// [`Object::properties`](crate::openapi::schema::Object::properties).
40 ///
41 /// The encoding object SHALL only apply to `request_body` objects when the media type is
42 /// multipart or `application/x-www-form-urlencoded`.
43 #[serde(skip_serializing_if = "BTreeMap::is_empty", default)]
44 pub encoding: BTreeMap<String, Encoding>,
45 }
46}
47
48impl Content {
49 pub fn new<I: Into<RefOr<Schema>>>(schema: I) -> Self {
50 Self {
51 schema: schema.into(),
52 ..Self::default()
53 }
54 }
55}
56
57impl ContentBuilder {
58 /// Add schema.
59 pub fn schema<I: Into<RefOr<Schema>>>(mut self, component: I) -> Self {
60 set_value!(self schema component.into())
61 }
62
63 /// Add example of schema.
64 pub fn example(mut self, example: Option<Value>) -> Self {
65 set_value!(self example example)
66 }
67
68 /// Add iterator of _`(N, V)`_ where `N` is name of example and `V` is [`Example`][example] to
69 /// [`Content`] of a request body or response body.
70 ///
71 /// [`Content::examples`] and [`Content::example`] are mutually exclusive. If both are defined
72 /// `examples` will override value in `example`.
73 ///
74 /// [example]: ../example/Example.html
75 pub fn examples_from_iter<
76 E: IntoIterator<Item = (N, V)>,
77 N: Into<String>,
78 V: Into<RefOr<Example>>,
79 >(
80 mut self,
81 examples: E,
82 ) -> Self {
83 self.examples.extend(
84 examples
85 .into_iter()
86 .map(|(name, example)| (name.into(), example.into())),
87 );
88
89 self
90 }
91
92 /// Add an encoding.
93 ///
94 /// The `property_name` MUST exist in the [`Content::schema`] as a property,
95 /// with `schema` being a [`Schema::Object`] and this object containing the same property
96 /// key in [`Object::properties`](crate::openapi::schema::Object::properties).
97 ///
98 /// The encoding object SHALL only apply to `request_body` objects when the media type is
99 /// multipart or `application/x-www-form-urlencoded`.
100 pub fn encoding<S: Into<String>, E: Into<Encoding>>(
101 mut self,
102 property_name: S,
103 encoding: E,
104 ) -> Self {
105 self.encoding.insert(property_name.into(), encoding.into());
106 self
107 }
108}