todo-txt 2.0.0

Parser for the todo.txt format
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

use std::collections::BTreeMap;

struct Priority;

impl Priority {
    fn lowest() -> u8 {
        26
    }
}

#[derive(Clone, Debug, PartialEq, Eq, Hash)]
#[cfg_attr(
    feature = "serde-support",
    derive(serde_derive::Serialize, serde_derive::Deserialize)
)]
pub struct Simple {
    pub subject: String,
    #[cfg_attr(feature = "serde-support", serde(default = "Priority::lowest"))]
    pub priority: u8,
    pub create_date: Option<crate::Date>,
    pub finish_date: Option<crate::Date>,
    #[cfg_attr(feature = "serde-support", serde(default))]
    pub finished: bool,
    pub threshold_date: Option<crate::Date>,
    pub due_date: Option<crate::Date>,
    #[cfg_attr(feature = "serde-support", serde(default))]
    pub contexts: Vec<String>,
    #[cfg_attr(feature = "serde-support", serde(default))]
    pub projects: Vec<String>,
    #[cfg_attr(feature = "serde-support", serde(default))]
    pub hashtags: Vec<String>,
    #[cfg_attr(feature = "serde-support", serde(default))]
    pub tags: BTreeMap<String, String>,
}

impl Simple {
    pub fn complete(&mut self) {
        let today = chrono::Local::now().date().naive_local();

        self.finished = true;
        if self.create_date.is_some() {
            self.finish_date = Some(today);
        }
    }

    pub fn uncomplete(&mut self) {
        self.finished = false;
        self.finish_date = None;
    }
}

impl Default for Simple {
    fn default() -> Self {
        Self {
            subject: String::new(),
            priority: Priority::lowest(),
            create_date: None,
            finish_date: None,
            finished: false,
            threshold_date: None,
            due_date: None,
            contexts: Vec::new(),
            projects: Vec::new(),
            hashtags: Vec::new(),
            tags: BTreeMap::new(),
        }
    }
}

impl std::str::FromStr for Simple {
    type Err = ();

    fn from_str(s: &str) -> Result<Simple, ()> {
        Ok(crate::parser::task(&s.to_owned()))
    }
}

impl std::fmt::Display for Simple {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        if self.finished {
            f.write_str("x ")?;
        }

        if self.priority < Priority::lowest() {
            let priority = (b'A' + self.priority) as char;

            f.write_str(format!("({}) ", priority).as_str())?;
        }

        if let Some(finish_date) = self.finish_date {
            f.write_str(format!("{} ", finish_date.format("%Y-%m-%d")).as_str())?;
        }

        if let Some(create_date) = self.create_date {
            f.write_str(format!("{} ", create_date.format("%Y-%m-%d")).as_str())?;
        }

        f.write_str(self.subject.as_str())?;

        if let Some(due_date) = self.due_date {
            f.write_str(format!(" due:{}", due_date.format("%Y-%m-%d")).as_str())?;
        }

        if let Some(threshold_date) = self.threshold_date {
            f.write_str(format!(" t:{}", threshold_date.format("%Y-%m-%d")).as_str())?;
        }

        for (key, value) in &self.tags {
            f.write_str(format!(" {}:{}", key, value).as_str())?;
        }

        Ok(())
    }
}