add utility crate
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4 changed files with 45 additions and 2 deletions
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@ -28,7 +28,7 @@ mod tests {
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use super::get_database;
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#[test]
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fn can_get_mock_without_initialization() {
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assert!(get_database().is_ok());
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fn can_get_mock() {
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get_database().unwrap().as_mock_connection();
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}
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}
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11
packages/backend/native-utils/crates/util/Cargo.toml
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11
packages/backend/native-utils/crates/util/Cargo.toml
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@ -0,0 +1,11 @@
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[package]
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name = "util"
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version = "0.1.0"
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edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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chrono = "0.4.24"
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radix_fmt = "1.0.0"
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rand = "0.8.5"
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31
packages/backend/native-utils/crates/util/src/id.rs
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31
packages/backend/native-utils/crates/util/src/id.rs
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@ -0,0 +1,31 @@
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use chrono::{DateTime, Utc};
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use radix_fmt::radix_36;
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const TIME_2000: i64 = 946_684_800_000;
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/// FIXME: Should we continue aid, or use other (more secure and scalable) guids
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/// such as [Cuid2](https://github.com/paralleldrive/cuid2)?
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pub fn create_aid(date: DateTime<Utc>) -> String {
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let time = date.timestamp_millis() - TIME_2000;
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let time = if time < 0 { 0 } else { time };
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let num: i16 = rand::random();
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let mut noise = format!("{:0>2}", radix_36(num).to_string());
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let noise = noise.split_off(noise.len() - 2);
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format!("{:0>8}{}", radix_36(time).to_string(), noise,)
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}
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#[cfg(test)]
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mod tests {
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use chrono::{TimeZone, Utc};
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use super::create_aid;
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#[test]
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fn generate_aid() {
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let date = Utc.with_ymd_and_hms(2023, 5, 25, 11, 49, 37).unwrap();
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let aid = create_aid(date);
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assert_eq!(aid.len(), 10);
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assert!(aid.starts_with("9f6mynag"));
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assert_ne!(create_aid(Utc::now()), create_aid(Utc::now()));
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}
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}
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1
packages/backend/native-utils/crates/util/src/lib.rs
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1
packages/backend/native-utils/crates/util/src/lib.rs
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@ -0,0 +1 @@
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pub mod id;
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