flatten workspace into 1 crate

.old/src/app_paths.rs

@@ -0,0 +1,52 @@
+//! Global settings.
+
+use crate::*;
+use std::path::{Path, PathBuf};
+use std::fs::{File, create_dir_all};
+
+const CONFIG_FILE_NAME:  &str = "tek.toml";
+const PROJECT_FILE_NAME: &str = "project.toml";
+
+/// Filesystem locations of things.
+pub struct AppPaths {
+    config_dir:   PathBuf,
+    config_file:  PathBuf,
+    data_dir:     PathBuf,
+    project_file: PathBuf,
+}
+
+impl AppPaths {
+    pub fn new (xdg: &XdgApp) -> Usually<Self> {
+        let config_dir   = PathBuf::from(xdg.app_config()?);
+        let config_file  = PathBuf::from(config_dir.join(CONFIG_FILE_NAME));
+        let data_dir     = PathBuf::from(xdg.app_data()?);
+        let project_file = PathBuf::from(data_dir.join(PROJECT_FILE_NAME));
+        Ok(Self { config_dir, config_file, data_dir, project_file })
+    }
+    pub fn should_create (&self) -> bool {
+        for path in [
+            &self.config_dir,
+            &self.config_file,
+            &self.data_dir,
+            &self.project_file,
+        ].iter() {
+            if !Path::new(path).exists() {
+                return true
+            }
+        }
+        false
+    }
+    pub fn create (&self) -> Usually<()> {
+        for dir in [&self.config_dir, &self.data_dir].iter() {
+            if !Path::new(dir).exists() {
+                create_dir_all(&dir)?;
+            }
+        }
+        for file in [&self.config_file, &self.project_file].iter() {
+            if !Path::new(file).exists() {
+                File::create_new(&file)?;
+            }
+        }
+        Ok(())
+    }
+}