problem set generator
structs for questions and themes and parsing of questions from text files
+146
-25
+26
Cargo.lock
+26
Cargo.lock
···
349
349
]
350
350
351
351
[[package]]
352
+
name = "heck"
353
+
version = "0.5.0"
354
+
source = "registry+https://github.com/rust-lang/crates.io-index"
355
+
checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
356
+
357
+
[[package]]
352
358
name = "http"
353
359
version = "1.4.0"
354
360
source = "registry+https://github.com/rust-lang/crates.io-index"
···
648
654
"axum",
649
655
"genpdf",
650
656
"hyphenation",
657
+
"strum",
658
+
"strum_macros",
651
659
"tokio",
652
660
]
653
661
···
909
917
version = "0.1.5"
910
918
source = "registry+https://github.com/rust-lang/crates.io-index"
911
919
checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
920
+
921
+
[[package]]
922
+
name = "strum"
923
+
version = "0.28.0"
924
+
source = "registry+https://github.com/rust-lang/crates.io-index"
925
+
checksum = "9628de9b8791db39ceda2b119bbe13134770b56c138ec1d3af810d045c04f9bd"
926
+
927
+
[[package]]
928
+
name = "strum_macros"
929
+
version = "0.28.0"
930
+
source = "registry+https://github.com/rust-lang/crates.io-index"
931
+
checksum = "ab85eea0270ee17587ed4156089e10b9e6880ee688791d45a905f5b1ca36f664"
932
+
dependencies = [
933
+
"heck",
934
+
"proc-macro2",
935
+
"quote",
936
+
"syn 2.0.117",
937
+
]
912
938
913
939
[[package]]
914
940
name = "syn"
+2
Cargo.toml
+2
Cargo.toml
+24
-25
src/main.rs
+24
-25
src/main.rs
···
1
-
use genpdf::{elements::{self, Paragraph}, fonts::FontData, style};
1
+
2
+
use std::str::FromStr;
3
+
4
+
use genpdf::fonts::FontData;
2
5
use hyphenation::{Load, Standard};
3
6
7
+
mod util;
8
+
use crate::util::{Question, build_document_base, build_response};
4
9
5
10
use axum::{Router, extract::{Path, State}, http::{HeaderMap, header}, response::IntoResponse, routing::get};
6
11
···
22
27
None => 1,
23
28
};
24
29
25
-
// this block should be really moved somewhere in a function
26
-
let mut doc = genpdf::Document::new(state.font_family);
27
-
doc.set_title("Test document title");
28
-
let mut decorator = genpdf::SimplePageDecorator::new();
29
-
decorator.set_margins(10);
30
-
doc.set_page_decorator(decorator);
31
-
let mut title = Paragraph::default();
32
-
title.push_styled("title", style::Effect::Bold);
33
-
title.set_alignment(genpdf::Alignment::Center);
34
-
doc.push(title);
35
-
36
-
37
-
38
-
doc.push(elements::Break::new(5));
39
-
doc.set_hyphenator(state.hyphenator);
30
+
let mut doc = build_document_base(state);
40
31
41
32
for i in 0..len {
42
33
doc.push(
43
34
genpdf::elements::Paragraph::new(
44
35
format!("this is line {}", i)
45
36
));
46
-
47
-
48
37
}
49
38
50
-
let mut headers = HeaderMap::new();
51
-
headers.insert(header::CONTENT_TYPE, "application/pdf".parse().unwrap());
52
-
53
-
54
39
55
-
let mut w: Vec<u8> = vec![];
56
-
let _ = doc.render(&mut w).expect("error during pdf rendering");
57
-
(headers,w.clone())
40
+
build_response(doc)
58
41
}
59
42
60
43
···
84
67
85
68
86
69
}
70
+
71
+
72
+
73
+
74
+
#[test]
75
+
fn test_string_to_question_parse() {
76
+
let test_question = Question {subject:util::Subject::Math,theme:util::Theme::Math(util::MathTheme::ParametricEquations),text: "\n\n{{}} + y = 12".to_string()};
77
+
let test_string: &str = "Math
78
+
ParametricEquations
79
+
80
+
81
+
{{}} + y = 12";
82
+
83
+
assert_eq!(Question::from_str(test_string).unwrap(),test_question);
84
+
85
+
}
+94
src/util.rs
+94
src/util.rs
···
1
+
2
+
use std::str::FromStr;
3
+
4
+
use axum::{http::{HeaderMap, header}, response::IntoResponse};
5
+
use genpdf::{Document, elements::{self, Paragraph}, style};
6
+
use crate::GenpdfState;
7
+
use strum_macros::{Display, EnumString};
8
+
9
+
10
+
#[derive(Debug,EnumString,Display,PartialEq)]
11
+
pub enum Subject {
12
+
Math,
13
+
Physics
14
+
}
15
+
16
+
#[derive(Debug,Display,PartialEq)]
17
+
pub enum Theme {
18
+
Math(MathTheme),
19
+
Physics(PhysTheme)
20
+
}
21
+
22
+
23
+
#[derive(Debug,EnumString,Display,PartialEq)]
24
+
pub enum PhysTheme {
25
+
LawMotion,
26
+
Momentum,
27
+
Energy,
28
+
}
29
+
30
+
#[derive(Debug,EnumString,Display,PartialEq)]
31
+
pub enum MathTheme {
32
+
ParametricEquations,
33
+
InfiniteSequenceSeries,
34
+
PartialDerivatives,
35
+
36
+
}
37
+
38
+
#[derive(Debug,PartialEq)]
39
+
pub struct Question {
40
+
pub subject: Subject,
41
+
pub theme: Theme,
42
+
pub text: String
43
+
}
44
+
45
+
#[derive(Debug,Display)]
46
+
pub enum QuestionParseError {
47
+
QuestionFileParseError,
48
+
Strum(strum::ParseError)
49
+
}
50
+
51
+
impl FromStr for Question {
52
+
type Err = QuestionParseError;
53
+
fn from_str(s: &str) -> Result<Self, Self::Err> {
54
+
let l : Vec<&str> = s.splitn(3, '\n').collect();
55
+
let subj: Subject = Subject::from_str(l[0]).unwrap();
56
+
let theme: Theme = match subj {
57
+
Subject::Math => Theme::Math(MathTheme::from_str(l[1]).unwrap()),
58
+
Subject::Physics => Theme::Physics(PhysTheme::from_str(l[1]).unwrap()),
59
+
};
60
+
if !l[2].is_empty() {
61
+
Ok(Question { subject: subj, theme: theme, text: l[2].to_string() })
62
+
} else {
63
+
Err(QuestionParseError::QuestionFileParseError)
64
+
}
65
+
}
66
+
67
+
}
68
+
69
+
70
+
pub fn build_document_base(state:GenpdfState) -> Document {
71
+
72
+
let mut doc = genpdf::Document::new(state.font_family);
73
+
doc.set_title("Test document title");
74
+
let mut decorator = genpdf::SimplePageDecorator::new();
75
+
decorator.set_margins(10);
76
+
doc.set_page_decorator(decorator);
77
+
doc.set_hyphenator(state.hyphenator);
78
+
let mut title = Paragraph::default();
79
+
title.push_styled("title", style::Effect::Bold);
80
+
title.set_alignment(genpdf::Alignment::Center);
81
+
doc.push(title);
82
+
83
+
doc.push(elements::Break::new(5));
84
+
doc
85
+
}
86
+
87
+
pub fn build_response(doc: Document) -> impl IntoResponse {
88
+
89
+
let mut headers = HeaderMap::new();
90
+
headers.insert(header::CONTENT_TYPE, "application/pdf".parse().unwrap());
91
+
let mut w: Vec<u8> = vec![];
92
+
let _ = doc.render(&mut w).expect("error during pdf rendering");
93
+
(headers,w)
94
+
}