bbn: Add sitemap_xml mod

bbn/crates/bbn/Cargo.toml

@@ -25,6 +25,7 @@ structopt = "0.3.21"
 thiserror = { workspace = true }
 tokio = { workspace = true }
 xdg = "2.2.0"
+sitemap-xml = { path = "../../../sitemap-xml" }
 
 [dev-dependencies]
 assert_cmd = "1.0.4"

bbn/crates/bbn/src/command.rs

@@ -3,6 +3,7 @@ mod date_range;
 pub mod hatena_blog;
 mod json;
 mod list;
+mod sitemap_xml;
 mod view;
 
 pub use self::config::config;

bbn/crates/bbn/src/command/sitemap_xml.rs

@@ -0,0 +1,36 @@
+use std::{fs::File, io::BufWriter, path::PathBuf};
+
+use anyhow::Context;
+use bbn_repository::{BbnRepository, Query};
+use sitemap_xml::writer::SitemapWriter;
+
+use crate::config_repository::ConfigRepository;
+
+pub fn run(out_dir: PathBuf) -> anyhow::Result<()> {
+    let config_repository = ConfigRepository::new()?;
+    let config = config_repository
+        .load()
+        .context("The configuration file does not found. Use `bbn config` command.")?;
+    let data_dir = config.data_dir().to_path_buf();
+
+    let bbn_repository = BbnRepository::new(data_dir);
+    let query = Query::try_from("date:1970-01-01/9999-12-31")?;
+    let entry_ids = bbn_repository.find_ids_by_query(query)?;
+
+    let path = out_dir.join("sitemap.xml");
+    let file = File::create(path)?;
+    let writer = BufWriter::new(file);
+    let mut writer = SitemapWriter::start(writer)?;
+
+    for entry_id in entry_ids {
+        let date = entry_id.date();
+        let yyyy = date.year().to_string();
+        let mm = date.month().to_string();
+        let dd = date.day_of_month().to_string();
+        writer.write(format!("https://blog.bouzuya.net/{yyyy}/{mm}/{dd}/").as_str())?;
+    }
+
+    writer.end()?;
+
+    Ok(())
+}