Add a cache for the cli to store property labels

Cargo.lock

@@ -360,6 +360,27 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "dirs-next"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
+dependencies = [
+ "cfg-if",
+ "dirs-sys-next",
+]
+
+[[package]]
+name = "dirs-sys-next"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
 [[package]]
 name = "displaydoc"
 version = "0.2.5"
@@ -989,6 +1010,16 @@ version = "0.2.174"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
 
+[[package]]
+name = "libredox"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "391290121bad3d37fbddad76d8f5d1c1c314cfc646d143d7e07a3086ddff0ce3"
+dependencies = [
+ "bitflags 2.9.1",
+ "libc",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.9.4"
@@ -1245,7 +1276,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1db05f56d34358a8b1066f67cbb203ee3e7ed2ba674a6263a1d5ec6db2204323"
 dependencies = [
  "memchr",
- "thiserror",
+ "thiserror 2.0.12",
  "ucd-trie",
 ]
 
@@ -1427,6 +1458,17 @@ dependencies = [
  "bitflags 2.9.1",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
+dependencies = [
+ "getrandom 0.2.16",
+ "libredox",
+ "thiserror 1.0.69",
+]
+
 [[package]]
 name = "regex"
 version = "1.11.1"
@@ -1877,13 +1919,33 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl 1.0.69",
+]
+
 [[package]]
 name = "thiserror"
 version = "2.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "567b8a2dae586314f7be2a752ec7474332959c6460e02bde30d702a66d488708"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 2.0.12",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -2327,6 +2389,7 @@ name = "wikipedia-infobox-analyzer"
 version = "0.1.0"
 dependencies = [
  "ascii_table",
+ "dirs-next",
  "itertools",
  "mediawiki",
  "regex",

Cargo.toml

@@ -17,6 +17,7 @@ categories = ["command-line-utilities"]
 [dependencies]
 regex = "1.11.1"
 ascii_table = "4.0.7"
+dirs-next = "2.0.0"
 itertools = "0.14.0"
 mediawiki = "0.3.1"
 reqwest = { version = "0.12", features = ["blocking"] }

src/main.rs

@@ -1,6 +1,12 @@
-use structopt::StructOpt;
 use wikipedia_infobox_analyzer::wikipedia_infobox_analyzer::*;
 
+use dirs_next::cache_dir;
+use std::collections::HashMap;
+use std::fs;
+use std::io;
+use std::path::PathBuf;
+use structopt::StructOpt;
+
 #[derive(StructOpt)]
 struct Cli {
     #[structopt(default_value = "Earth", long = "title")]
@@ -11,10 +17,88 @@ struct Cli {
     infobox_template_file: std::path::PathBuf,
 }
 
+#[derive(Debug)]
+struct StorageDisk {
+    base_path: PathBuf,
+}
+
+impl StorageDisk {
+    fn new(app_name: &str) -> Self {
+        // Get OS-specific cache directory, otherwise use a fallback location
+        let mut path = match cache_dir() {
+            Some(path) => path,
+            None => PathBuf::from("./.cache"),
+        };
+
+        path.push(app_name);
+        fs::create_dir_all(&path)
+            .unwrap_or_else(|_| panic!("Failed to create storage directory: {path:?}"));
+
+        StorageDisk { base_path: path }
+    }
+
+    #[allow(dead_code)]
+    fn delete(&self) -> std::io::Result<()> {
+        fs::remove_dir_all(&self.base_path)
+    }
+
+    fn store_data(&self, filename: String, data: String) -> std::io::Result<()> {
+        let file_path = self.base_path.join(filename);
+        fs::write(file_path, data)
+    }
+
+    fn read_data(&self, filename: String) -> std::io::Result<String> {
+        let file_path = self.base_path.join(filename);
+        fs::read_to_string(file_path)
+    }
+}
+
+struct Cache {
+    file_name: String,
+    storage: StorageDisk,
+    property_labels: HashMap<String, String>,
+}
+
+impl Cache {
+    fn new(file_name: String, storage: StorageDisk) -> std::io::Result<Self> {
+        let mut property_labels: HashMap<String, String> = HashMap::new();
+
+        match storage.read_data(file_name.clone()) {
+            Ok(raw_data) => {
+                property_labels = serde_json::from_str(&raw_data)?;
+            }
+            Err(err) if err.kind() == io::ErrorKind::NotFound => {
+                println!("No cache found, populating the program cache with wikidata...");
+
+                property_labels = HashMap::new();
+                property_labels.insert("P1".to_string(), "Universe".to_string());
+
+                let data = serde_json::to_string(&property_labels)?;
+                storage.store_data(file_name.clone(), data)?;
+
+                println!("Cache populated from wikidata")
+            }
+            Err(err) => {
+                println!("Unknown error occurred, exiting gracefully");
+                return Err(err);
+            }
+        }
+
+        Ok(Cache {
+            file_name,
+            storage,
+            property_labels,
+        })
+    }
+}
+
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let args = Cli::from_args();
+    // Initialize cache and storage
+    let storage = StorageDisk::new("wikipedia-infobox-analyzer");
+    let cache = Cache::new("property_labels.cache".to_string(), storage);
 
     // Input to the program
+    let args = Cli::from_args();
     let title = args.wikipedia_article_title;
     let language = args.wikipedia_language_code;
     let template = std::fs::read_to_string(&args.infobox_template_file)?;