74 lines
1.9 KiB
Rust
74 lines
1.9 KiB
Rust
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pub struct Row {
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name: String,
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hut_type: String,
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path: String,
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tare: f64,
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mat_id: String,
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quantity: f64,
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lot_id: String,
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uom: String,
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lot_status: String,
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born: chrono::DateTime<chrono::Local>,
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expire: chrono::DateTime<chrono::Local>,
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}
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impl Row {
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pub fn new(
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name: &str,
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hut_type: &str,
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path: &str,
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tare: f64,
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mat_id: &str,
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quantity: f64,
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uom: &str,
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lot_status: &str,
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checksum: bool,
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) -> Self {
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let born = chrono::Local::now();
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let expire = born
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.checked_add_days(chrono::Days::new(365))
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.expect("A valid date time");
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let name = match checksum {
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true => make_checksum(),
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false => name.to_ascii_uppercase(),
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};
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Self {
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name: name.clone(),
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hut_type: hut_type.to_ascii_uppercase(),
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path: path.to_ascii_uppercase(),
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tare,
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mat_id: mat_id.to_ascii_uppercase(),
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quantity,
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lot_id: format!("{}-{}", name, mat_id).to_ascii_uppercase(),
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uom: uom.to_ascii_uppercase(),
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lot_status: lot_status.to_ascii_uppercase(),
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born,
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expire,
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}
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}
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}
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fn make_checksum() -> String {
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let base = rand::random_range(10000..99999).to_string();
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let expect = "a valid character in the base checksum";
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let split = format!(
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"{}{}{}{}{}",
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base.chars().next().expect(expect),
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base.chars().nth(2).expect(expect),
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base.chars().nth(4).expect(expect),
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base.chars().nth(1).expect(expect),
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base.chars().nth(3).expect(expect)
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)
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.repeat(2);
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let sum: u32 = split
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.chars()
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.map(|c| c.to_digit(10).expect("a valid integer value"))
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.sum();
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let last = (10 - (sum % 10)) % 10;
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format!("{}{}", base, last)
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}
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