Adding cache for IpLocation
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This commit is contained in:
Jorge Bolois 2023-06-17 13:36:20 +02:00
parent a611f648fd
commit 0c3a3126f8
6 changed files with 246 additions and 25 deletions

155
Cargo.lock generated
View File

@ -94,7 +94,7 @@ dependencies = [
"lazy_static",
"libc",
"unicode-width",
"windows-sys",
"windows-sys 0.45.0",
]
[[package]]
@ -106,6 +106,27 @@ dependencies = [
"cfg-if",
]
[[package]]
name = "directories"
version = "5.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9a49173b84e034382284f27f1af4dcbbd231ffa358c0fe316541a7337f376a35"
dependencies = [
"dirs-sys",
]
[[package]]
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dependencies = [
"libc",
"option-ext",
"redox_users",
"windows-sys 0.48.0",
]
[[package]]
name = "encode_unicode"
version = "0.3.6"
@ -131,6 +152,17 @@ dependencies = [
"percent-encoding",
]
[[package]]
name = "getrandom"
version = "0.2.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
dependencies = [
"cfg-if",
"libc",
"wasi",
]
[[package]]
name = "heck"
version = "0.3.3"
@ -209,15 +241,22 @@ checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
[[package]]
name = "open-meteo-cli"
version = "0.1.3"
version = "0.1.4"
dependencies = [
"billboard",
"directories",
"serde",
"serde_json",
"structopt",
"ureq",
]
[[package]]
name = "option-ext"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
[[package]]
name = "percent-encoding"
version = "2.3.0"
@ -266,6 +305,26 @@ dependencies = [
"proc-macro2",
]
[[package]]
name = "redox_syscall"
version = "0.2.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
dependencies = [
"bitflags",
]
[[package]]
name = "redox_users"
version = "0.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b"
dependencies = [
"getrandom",
"redox_syscall",
"thiserror",
]
[[package]]
name = "ring"
version = "0.16.20"
@ -331,9 +390,9 @@ dependencies = [
[[package]]
name = "serde_json"
version = "1.0.96"
version = "1.0.97"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
checksum = "bdf3bf93142acad5821c99197022e170842cdbc1c30482b98750c688c640842a"
dependencies = [
"itoa",
"ryu",
@ -532,6 +591,12 @@ version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
[[package]]
name = "wasi"
version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
[[package]]
name = "wasm-bindgen"
version = "0.2.87"
@ -643,7 +708,16 @@ version = "0.45.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
dependencies = [
"windows-targets",
"windows-targets 0.42.2",
]
[[package]]
name = "windows-sys"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
dependencies = [
"windows-targets 0.48.0",
]
[[package]]
@ -652,13 +726,28 @@ version = "0.42.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
dependencies = [
"windows_aarch64_gnullvm",
"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_gnullvm",
"windows_x86_64_msvc",
"windows_aarch64_gnullvm 0.42.2",
"windows_aarch64_msvc 0.42.2",
"windows_i686_gnu 0.42.2",
"windows_i686_msvc 0.42.2",
"windows_x86_64_gnu 0.42.2",
"windows_x86_64_gnullvm 0.42.2",
"windows_x86_64_msvc 0.42.2",
]
[[package]]
name = "windows-targets"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
dependencies = [
"windows_aarch64_gnullvm 0.48.0",
"windows_aarch64_msvc 0.48.0",
"windows_i686_gnu 0.48.0",
"windows_i686_msvc 0.48.0",
"windows_x86_64_gnu 0.48.0",
"windows_x86_64_gnullvm 0.48.0",
"windows_x86_64_msvc 0.48.0",
]
[[package]]
@ -667,38 +756,80 @@ version = "0.42.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
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@ -16,3 +16,4 @@ serde = {version = "1.0.163", features = ["derive"]}
serde_json = "1.0.96"
ureq = {version = "2.6.2", features = ["json"]}
billboard = "0.2"
directories = "5.0.1"

View File

@ -1,5 +1,9 @@
pub fn extract_coords_and_city(ip: &str) -> Result<serde_json::Value, ureq::Error> {
use crate::ip_location::IpLocation;
pub fn extract_coords_and_city(ip: &str) -> Result<IpLocation, ureq::Error> {
let url = format!("http://ip-api.com/json/{}?fields=16592", ip);
let body: serde_json::Value = ureq::get(&url).call()?.into_json()?;
Ok(body)
let current_weather: IpLocation = serde_json::from_value(body).unwrap();
Ok(current_weather)
}

8
src/ip_location.rs Normal file
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@ -0,0 +1,8 @@
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize, Debug)]
pub struct IpLocation {
pub lat: f64,
pub lon: f64,
pub city: String,
}

68
src/ip_location_cache.rs Normal file
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@ -0,0 +1,68 @@
use std::{
fs::{create_dir_all, File},
io::{Read, Write},
path::PathBuf,
};
use crate::ip_location::IpLocation;
use directories::ProjectDirs;
pub fn save_to_cache(ip: &str, data: &IpLocation) {
let cache_dir = get_cache_dir();
if cache_dir.is_none() {
return;
}
let mut cache_dir = cache_dir.unwrap();
cache_dir.push(format!("{}.{}", ip, "json"));
let json = serde_json::to_string(data).expect("Error al serializar a JSON");
let mut file = File::create(&cache_dir).expect("Error al crear el archivo");
file.write_all(json.as_bytes())
.expect("Error al escribir en el archivo");
}
pub fn get_from_cache(ip: &str) -> Option<IpLocation> {
let cache_dir = get_cache_dir();
if cache_dir.is_none() {
return None;
}
let mut cache_dir = cache_dir.unwrap();
cache_dir.push(format!("{}.{}", ip, "json"));
if !is_in_cache(&cache_dir) {
return None;
}
let mut file = File::open(&cache_dir).expect("Error al abrir el archivo");
let mut content = String::new();
file.read_to_string(&mut content)
.expect("Error al leer el archivo");
let ip_location: IpLocation =
serde_json::from_str(&content).expect("Error al deserializar JSON");
Some(ip_location)
}
fn is_in_cache(path: &PathBuf) -> bool {
path.is_file()
}
fn get_cache_dir() -> Option<PathBuf> {
let dir = ProjectDirs::from("com", "midefos", "open-meteo-cli");
if dir.is_some() {
let project_dir = dir.unwrap();
let cache_dir = project_dir.cache_dir();
if !cache_dir.exists() {
let res = create_dir_all(cache_dir);
if res.is_err() {
return None;
}
}
Some(cache_dir.to_owned())
} else {
None
}
}

View File

@ -4,25 +4,26 @@ mod current_weather;
mod current_weather_extractor;
mod current_weather_output;
mod current_weather_output_model;
mod current_weather_print_params;
mod data_format;
mod ifconfig;
mod ip_api;
mod ip_location;
mod ip_location_cache;
mod open_meteo;
mod speed_unit;
mod temp_unit;
use billboard::{Alignment, Billboard};
use current_weather_print_params::CurrentWeatherPrintParams;
use data_format::DataFormat;
use ip_location_cache::{get_from_cache, save_to_cache};
use std::process::exit;
use structopt::StructOpt;
use cli::Arguments;
use coords::Coordinates;
use current_weather_extractor::CurrentWeatherExtractor;
use current_weather_print_params::CurrentWeatherPrintParams;
use ifconfig::extract_public_ip;
use ip_api::extract_coords_and_city;
use open_meteo::request_current_weather;
@ -82,16 +83,24 @@ fn main() {
exit(1);
});
let coords_result = extract_coords_and_city(&ip);
let coords = coords_result.unwrap_or_else(|_| {
eprintln!("[ERROR] Could not extract IP coordinates from ip_api");
exit(1);
});
let ip_location;
let cache_ip_location = get_from_cache(&ip);
let latitude = coords["lat"].as_f64().unwrap();
let longitude = coords["lon"].as_f64().unwrap();
if cache_ip_location.is_some() {
ip_location = cache_ip_location.unwrap();
} else {
let ip_location_res = extract_coords_and_city(&ip);
ip_location = ip_location_res.unwrap_or_else(|_| {
eprintln!("[ERROR] Could not extract IP location from ip_api");
exit(1);
});
save_to_cache(&ip, &ip_location);
}
let latitude = ip_location.lat;
let longitude = ip_location.lon;
coordinates = Coordinates::new(latitude, longitude);
city = Some(coords["city"].as_str().unwrap().to_string());
city = Some(ip_location.city);
}
let result = request_current_weather(&coordinates, &temperature_unit, &speed_unit);