flyer 3.0.0

HTTP framework for rust
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

use std::collections::HashMap;
use tera::{to_value, Tera, Value};

use crate::session::Session;

tokio::task_local! {
    pub(crate) static GLOBAL_CURRENT_SESSION: Session;
}

pub(crate) fn register_global_functions(render: &mut Tera) {
    render.register_function("session", session_fn());
    render.register_function("session_has", session_has_fn());
    render.register_function("errors", errors_fn());
    render.register_function("error", error_fn());
    render.register_function("error_has", error_has_fn());
    render.register_function("old", old_fn());
    render.register_function("flash", flash_fn());
    render.register_function("flash_has", flash_has_fn());
}

fn get_arg<'a>(args: &'a HashMap<String, Value>, key: &str) -> Option<&'a str> {
    args.get(key).and_then(|v| v.as_str())
}

fn session_fn() -> impl Fn(&HashMap<String, Value>) -> tera::Result<Value> + Send + Sync + 'static {
    |args| {
        let name = get_arg(args, "name").unwrap_or_default();
        GLOBAL_CURRENT_SESSION.try_with(|s| {
            match s.session.get(name) {
                Some(val) => to_value(val),
                None => to_value(""),
            }
        })
        .unwrap()
        .map_err(|err| err.into())
    }
}

fn session_has_fn() -> impl Fn(&HashMap<String, Value>) -> tera::Result<Value> + Send + Sync + 'static {
    |args| {
        let name = get_arg(args, "name").unwrap_or_default();
        GLOBAL_CURRENT_SESSION.try_with(|s| {
            to_value(s.session.get(name).is_some())
        })
        .unwrap()
        .map_err(|err| err.into())
    }
}

fn error_fn() -> impl Fn(&HashMap<String, Value>) -> tera::Result<Value> + Send + Sync + 'static {
    |args| {
        let name = get_arg(args, "name").unwrap_or_default();
        GLOBAL_CURRENT_SESSION.try_with(|s| {
            match s.errors.get(name) {
                Some(err) => to_value(err),
                None => to_value(""),
            }
        })
        .unwrap()
        .map_err(|err| err.into())
    }
}

fn errors_fn() -> impl Fn(&HashMap<String, Value>) -> tera::Result<Value> + Send + Sync + 'static {
    |_| {
        // let name = get_arg(args, "name").unwrap_or_default();
        GLOBAL_CURRENT_SESSION.try_with(|s| to_value(s.errors.clone()))
        .unwrap()
        .map_err(|err| err.into())
    }
}

fn error_has_fn() -> impl Fn(&HashMap<String, Value>) -> tera::Result<Value> + Send + Sync + 'static {
    |args| {
        let name = get_arg(args, "name").unwrap_or_default();
        let class = args.get("class");

        GLOBAL_CURRENT_SESSION.try_with(|s| {
            let error = s.errors.get(name);

            if error.is_none() && class.is_none() {
                return to_value(false);
            }
            if error.is_some() && class.is_none() {
                return to_value(true);
            }
            if error.is_none() {
                return to_value("");
            }
            to_value(class.unwrap())
        })
        .unwrap()
        .map_err(|err| err.into())
    }
}

fn old_fn() -> impl Fn(&HashMap<String, Value>) -> tera::Result<Value> + Send + Sync + 'static {
    |args| {
        let name = get_arg(args, "name").unwrap_or_default();
        GLOBAL_CURRENT_SESSION.try_with(|s| {
            match s.old.get(name) {
                Some(val) => to_value(val),
                None => to_value(""),
            }
        })
        .unwrap()
        .map_err(|err| err.into())
    }
}

fn flash_fn() -> impl Fn(&HashMap<String, Value>) -> tera::Result<Value> + Send + Sync + 'static {
    |args| {
        let name = get_arg(args, "name").unwrap_or_default();
        GLOBAL_CURRENT_SESSION.try_with(|s| {
            match s.flash.get(name) {
                Some(val) => to_value(val),
                None => to_value(""),
            }
        })
        .unwrap()
        .map_err(|err| err.into())
    }
}

fn flash_has_fn() -> impl Fn(&HashMap<String, Value>) -> tera::Result<Value> + Send + Sync + 'static {
    |args| {
        let name = get_arg(args, "name").unwrap_or_default();
        GLOBAL_CURRENT_SESSION.try_with(|s| {
            to_value(s.flash.get(name).is_some())
        })
        .unwrap()
        .map_err(|err| err.into())
    }
}