Moving into a load_blog_post function to create a BlogPost struct.

src/blog_post/definition.rs

@@ -0,0 +1,61 @@
+#[derive(Debug)]
+struct BlogPost {
+    id: String,
+}
+
+impl BlogPost {
+    pub(crate) async fn load_blog_post<P: AsRef<Path>, R: AsRef<Path>>(
+        root_dir: R,
+        post_dir: P,
+    ) -> Result<BlogPost, Box<dyn std::error::Error>> {
+        async fn inner(
+            root_dir: &Path,
+            post_dir: &Path,
+        ) -> Result<BlogPost, Box<dyn std::error::Error>> {
+            let org_files = {
+                let mut ret = Vec::new();
+                let org_files_iter = get_org_files(post_dir)?;
+                for entry in org_files_iter {
+                    ret.push(entry.await??);
+                }
+                ret
+            };
+            let parsed_org_files = {
+                let mut ret = Vec::new();
+                for (path, contents) in org_files.iter() {
+                    let parsed = organic::parser::parse_file(contents.as_str(), Some(path))?;
+                    ret.push((path, contents, parsed));
+                }
+                ret
+            };
+
+            Ok(BlogPost {
+                id: "foo".to_owned(),
+            })
+        }
+        inner(root_dir.as_ref(), post_dir.as_ref()).await
+    }
+}
+
+fn get_org_files<P: AsRef<Path>>(
+    root_dir: P,
+) -> Result<impl Iterator<Item = JoinHandle<std::io::Result<(PathBuf, String)>>>, walkdir::Error> {
+    let org_files = WalkDir::new(root_dir)
+        .into_iter()
+        .filter(|e| match e {
+            Ok(dir_entry) => {
+                dir_entry.file_type().is_file()
+                    && Path::new(dir_entry.file_name())
+                        .extension()
+                        .map(|ext| ext.to_ascii_lowercase() == "org")
+                        .unwrap_or(false)
+            }
+            Err(_) => true,
+        })
+        .collect::<Result<Vec<_>, _>>()?;
+    let org_files = org_files
+        .into_iter()
+        .map(walkdir::DirEntry::into_path)
+        .map(|path| tokio::spawn(read_file(path)));
+    Ok(org_files)
+}

src/main.rs

@@ -6,6 +6,7 @@ use self::cli::parameters::Cli;
 use self::cli::parameters::Commands;
 use self::command::build::build_site;
 use self::command::init::init_writer_folder;
+mod blog_post;
 mod cli;
 mod command;
 mod config;