Implement project tree

src/project.rs

@@ -1,28 +1,80 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 use std::{
     fs, io,
     path::{Path, PathBuf},
 };
 
-pub struct Project {
-    path: PathBuf,
-    name: String,
+#[derive(Clone, Debug)]
+pub enum ProjectNode {
+    Root {
+        name: String,
+        path: PathBuf,
+        open: bool,
+    },
+    Folder {
+        name: String,
+        path: PathBuf,
+        open: bool,
+    },
+    File {
+        name: String,
+        path: PathBuf,
+    },
 }
 
-impl Project {
+impl ProjectNode {
     pub fn new<P: AsRef<Path>>(path: P) -> io::Result<Self> {
         let path = fs::canonicalize(path)?;
         let name = path
             .file_name()
             .ok_or(io::Error::new(
                 io::ErrorKind::Other,
-                format!("Path {:?} has no file name", path),
+                format!("path {:?} has no file name", path),
             ))?
             .to_str()
             .ok_or(io::Error::new(
                 io::ErrorKind::Other,
-                format!("Path {:?} is not valid UTF-8", path),
+                format!("path {:?} is not valid UTF-8", path),
             ))?
             .to_string();
-        Ok(Self { path, name })
+        Ok(if path.is_dir() {
+            Self::Folder {
+                path,
+                name,
+                open: false,
+            }
+        } else {
+            Self::File { path, name }
+        })
+    }
+
+    pub fn icon_name(&self) -> &str {
+        match self {
+            //TODO: different icon for project?
+            ProjectNode::Root { open, .. } => {
+                if *open {
+                    "go-down-symbolic"
+                } else {
+                    "go-next-symbolic"
+                }
+            }
+            ProjectNode::Folder { open, .. } => {
+                if *open {
+                    "go-down-symbolic"
+                } else {
+                    "go-next-symbolic"
+                }
+            }
+            ProjectNode::File { .. } => "text-x-generic",
+        }
+    }
+
+    pub fn name(&self) -> &str {
+        match self {
+            ProjectNode::Root { name, .. } => name,
+            ProjectNode::Folder { name, .. } => name,
+            ProjectNode::File { name, .. } => name,
+        }
     }
 }