prettylogger/
json.rs

1use crate::logging::*;
2use serde_json;
3use std::{
4    fs::*,
5    io::Write,
6};
7
8impl Logger {
9    /// Creates a `Logger` instance from a template file.
10    ///
11    /// [Logger templates documentation](https://github.com/tpaau-17DB/libprettylogger?tab=readme-ov-file#logger-templates)
12    /// # Deserializing `Logger` from a `json` file:
13    ///
14    /// ```ignore
15    /// # use prettylogger::logger::Logger;
16    /// let mut logger = Logger::from_template("/path/to/template.json");
17    /// ```
18    pub fn from_template(path: &str) -> Logger {
19        let file = read_to_string(path)
20            .expect("Unable to read file!");
21        let logger: Logger = serde_json::from_str(&file)
22            .expect("Invalid JSON file!");
23
24        return logger;
25    }
26
27    /// Saves a `Logger` to template file.
28    ///
29    /// [Logger templates documentation](https://github.com/tpaau-17DB/libprettylogger?tab=readme-ov-file#logger-templates)
30    ///
31    /// # Serializing `Logger` into a `json` file
32    /// ```ignore
33    /// # use prettylogger::logger::Logger;
34    /// let mut logger = Logger::default(); // Create a default `Logger`
35    /// logger.save_template("/path/to/template.json");
36    /// ```
37    pub fn save_template(&self, path: &str) {
38        let json = serde_json::to_string_pretty(self)
39            .expect("Failed to serialize");
40
41        let mut file = File::create(path)
42            .expect("Unable to create file");
43
44        file.write_all(json.as_bytes())
45            .expect("Unable to write data");
46    }
47}