Browse Source

Add a tool for importing logs to the DB

master
Jirka Sejkora 4 years ago
parent
commit
8e526c8c17
  1. 30
      Cargo.lock
  2. 5
      Cargo.toml
  3. 13
      src/db.rs
  4. 72
      src/import-logs.rs
  5. 2
      src/main.rs

30
Cargo.lock

@ -6,6 +6,15 @@ version = "0.4.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "739f4a8db6605981345c5654f3a85b056ce52f37a39d34da03f25bf2151ea16e"
[[package]]
name = "aho-corasick"
version = "0.7.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
dependencies = [
"memchr",
]
[[package]]
name = "bitflags"
version = "1.2.1"
@ -168,6 +177,7 @@ dependencies = [
"indicatif",
"itertools",
"rand",
"regex",
"rusqlite",
]
@ -213,18 +223,21 @@ dependencies = [
[[package]]
name = "regex"
version = "1.4.2"
version = "1.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "38cf2c13ed4745de91a5eb834e11c00bcc3709e773173b2ce4c56c9fbde04b9c"
checksum = "d9251239e129e16308e70d853559389de218ac275b515068abc96829d05b948a"
dependencies = [
"aho-corasick",
"memchr",
"regex-syntax",
"thread_local",
]
[[package]]
name = "regex-syntax"
version = "0.6.21"
version = "0.6.22"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3b181ba2dcf07aaccad5448e8ead58db5b742cf85dfe035e2227f137a539a189"
checksum = "b5eb417147ba9860a96cfe72a0b93bf88fee1744b5636ec99ab20c1aa9376581"
[[package]]
name = "rusqlite"
@ -257,6 +270,15 @@ dependencies = [
"winapi",
]
[[package]]
name = "thread_local"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bb9bc092d0d51e76b2b19d9d85534ffc9ec2db959a2523cdae0697e2972cd447"
dependencies = [
"lazy_static",
]
[[package]]
name = "unicode-width"
version = "0.1.8"

5
Cargo.toml

@ -12,7 +12,12 @@ rand = "0.8.0"
indicatif = "0.15.0"
itertools = "0.10.0"
rusqlite = "0.24.2"
regex = "1.4.3"
[[bin]]
name = "prague"
path = "src/main.rs"
[[bin]]
name = "import-logs"
path = "src/import-logs.rs"

13
src/db.rs

@ -1,5 +1,5 @@
use crate::city::House;
use rusqlite::{Connection, NO_PARAMS, params, Result};
use rusqlite::{Connection, NO_PARAMS, params, Result, Transaction};
use std::collections::HashMap;
pub struct LayoutDB {
@ -45,15 +45,16 @@ impl LayoutDB {
&self.layouts
}
pub fn add_layout(&self, houses: &Vec<House>, fully_optimized: bool) -> Result<()> {
self.connection.execute("INSERT INTO layouts (is_fully_optimized) VALUES (?1)",
pub fn add_layout(&mut self, houses: &Vec<House>, fully_optimized: bool) -> Result<()> {
let transaction = self.connection.transaction()?;
transaction.execute("INSERT INTO layouts (is_fully_optimized) VALUES (?1)",
params![fully_optimized])?;
let layout_id = self.connection.last_insert_rowid();
let layout_id = transaction.last_insert_rowid();
for house in houses {
self.connection.execute("INSERT INTO houses (layout_id, x, y) VALUES (?1, ?2, ?3)",
transaction.execute("INSERT INTO houses (layout_id, x, y) VALUES (?1, ?2, ?3)",
params![layout_id, house.x as u32, house.y as u32])?;
}
transaction.commit()?;
Ok(())
}
}

72
src/import-logs.rs

@ -0,0 +1,72 @@
use std::io;
use std::io::BufRead;
use regex::Regex;
use crate::city::House;
use crate::db::LayoutDB;
mod city;
mod db;
enum State {
Out,
ReadPrice,
In(usize),
}
fn main() {
let mut db = LayoutDB::from_file("layouts.sqlite").expect("Failed to load the DB");
let stdin = io::stdin();
let price_regex = Regex::new("^Price ([0-9]*), seed ([0-9]*)$").unwrap();
let mut state = State::Out;
let mut current_price = String::new();
let mut current_seed = String::new();
let mut houses = Vec::new();
for line in stdin.lock().lines() {
let line = line.unwrap();
state = match state {
State::Out => {
if let Some(captures) = price_regex.captures(&line) {
let price = captures.get(1).unwrap().as_str().to_string();
let seed = captures.get(2).unwrap().as_str().to_string();
// Ensure we only save the last layout for a seed
if seed != current_seed && !houses.is_empty() {
eprintln!("Saved house with seed {}, price {}", current_seed, current_price);
db.add_layout(&houses, true);
} else {
houses.clear();
}
current_seed = seed;
current_price = price;
State::ReadPrice
} else {
State::Out
}
},
State::ReadPrice => {
let count: usize = line.parse().expect("Failed to read house count");
State::In(count)
},
State::In(count) => {
let mut parts = line.split_whitespace();
let x: usize = parts.next().unwrap().parse().expect("Failed to read x");
let y: usize = parts.next().unwrap().parse().expect("Failed to read y");
houses.push(House {x, y});
if count == 1 {
State::Out
} else {
State::In(count - 1)
}
}
}
}
if !houses.is_empty() {
eprintln!("Saved house with seed {}, price {}", current_seed, current_price);
db.add_layout(&houses, true);
}
}

2
src/main.rs

@ -12,7 +12,7 @@ mod city;
mod db;
fn main() {
let db = LayoutDB::from_file("layouts.sqlite").expect("Failed to load the DB");
let mut db = LayoutDB::from_file("layouts.sqlite").expect("Failed to load the DB");
eprintln!("Loaded the DB, {} stored layouts", db.layouts().len());
let city = City::read_from_file("01.in");

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