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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
use crate::context::{Data, ResolveId};
use crate::error::ParseRequestError;
use crate::extensions::{BoxExtension, ErrorLogger, Extension};
use crate::mutation_resolver::do_mutation_resolve;
use crate::parser::types::{OperationType, UploadValue};
use crate::registry::CacheControl;
use crate::{
do_resolve, ContextBase, Error, ObjectType, Pos, QueryEnv, QueryError, Result, Schema,
SubscriptionType, Value, Variables,
};
use std::any::Any;
use std::fs::File;
use std::sync::atomic::AtomicUsize;
use std::sync::Arc;
#[derive(Default, Clone)]
pub struct IntoQueryBuilderOpts {
pub max_file_size: Option<usize>,
pub max_num_files: Option<usize>,
}
#[allow(missing_docs)]
#[async_trait::async_trait]
pub trait IntoQueryBuilder: Sized {
async fn into_query_builder(self) -> std::result::Result<QueryBuilder, ParseRequestError> {
self.into_query_builder_opts(&Default::default()).await
}
async fn into_query_builder_opts(
self,
opts: &IntoQueryBuilderOpts,
) -> std::result::Result<QueryBuilder, ParseRequestError>;
}
#[derive(Debug)]
pub struct QueryResponse {
pub data: serde_json::Value,
pub extensions: Option<serde_json::Value>,
pub cache_control: CacheControl,
}
pub struct QueryBuilder {
pub(crate) query_source: String,
pub(crate) operation_name: Option<String>,
pub(crate) variables: Variables,
pub(crate) ctx_data: Option<Data>,
extensions: Vec<Box<dyn Fn() -> BoxExtension + Send + Sync>>,
}
impl QueryBuilder {
pub fn new<T: Into<String>>(query_source: T) -> QueryBuilder {
QueryBuilder {
query_source: query_source.into(),
operation_name: None,
variables: Default::default(),
ctx_data: None,
extensions: Default::default(),
}
}
pub fn operation_name<T: Into<String>>(self, name: T) -> Self {
QueryBuilder {
operation_name: Some(name.into()),
..self
}
}
pub fn variables(self, variables: Variables) -> Self {
QueryBuilder { variables, ..self }
}
pub fn extension<F: Fn() -> E + Send + Sync + 'static, E: Extension>(
mut self,
extension_factory: F,
) -> Self {
self.extensions
.push(Box::new(move || Box::new(extension_factory())));
self
}
pub fn data<D: Any + Send + Sync>(mut self, data: D) -> Self {
if let Some(ctx_data) = &mut self.ctx_data {
ctx_data.insert(data);
} else {
let mut ctx_data = Data::default();
ctx_data.insert(data);
self.ctx_data = Some(ctx_data);
}
self
}
pub fn set_upload(
&mut self,
var_path: &str,
filename: String,
content_type: Option<String>,
content: File,
) {
let variable = match self.variables.variable_path(var_path) {
Some(variable) => variable,
None => return,
};
*variable = Value::Upload(UploadValue {
filename,
content_type,
content,
});
}
pub async fn execute<Query, Mutation, Subscription>(
self,
schema: &Schema<Query, Mutation, Subscription>,
) -> Result<QueryResponse>
where
Query: ObjectType + Send + Sync + 'static,
Mutation: ObjectType + Send + Sync + 'static,
Subscription: SubscriptionType + Send + Sync + 'static,
{
let (document, cache_control, extensions) =
schema.prepare_query(&self.query_source, &self.variables, &self.extensions)?;
let inc_resolve_id = AtomicUsize::default();
let document = match document.into_data(self.operation_name.as_deref()) {
Some(document) => document,
None => {
return if let Some(operation_name) = self.operation_name {
Err(Error::Query {
pos: Pos::default(),
path: None,
err: QueryError::UnknownOperationNamed {
name: operation_name,
},
})
} else {
Err(Error::Query {
pos: Pos::default(),
path: None,
err: QueryError::MissingOperation,
})
}
.log_error(&extensions)
}
};
let env = QueryEnv::new(
extensions,
self.variables,
document,
Arc::new(self.ctx_data.unwrap_or_default()),
);
let ctx = ContextBase {
path_node: None,
resolve_id: ResolveId::root(),
inc_resolve_id: &inc_resolve_id,
item: &env.document.operation.node.selection_set,
schema_env: &schema.env,
query_env: &env,
};
env.extensions.lock().execution_start();
let data = match &env.document.operation.node.ty {
OperationType::Query => do_resolve(&ctx, &schema.query).await?,
OperationType::Mutation => do_mutation_resolve(&ctx, &schema.mutation).await?,
OperationType::Subscription => {
return Err(Error::Query {
pos: Pos::default(),
path: None,
err: QueryError::NotSupported,
})
}
};
env.extensions.lock().execution_end();
let resp = QueryResponse {
data,
extensions: env.extensions.lock().result(),
cache_control,
};
Ok(resp)
}
#[inline]
pub fn query_source(&self) -> &str {
&self.query_source
}
}