feat: make digest_value optional and add digest display

src/db.rs

@@ -32,9 +32,6 @@ lazy_static! {
                  FOREIGN KEY(id) REFERENCES items(id) ON DELETE CASCADE,
                  PRIMARY KEY(id, name));"
         ),
-        M::up(
-            "ALTER TABLE items ALTER COLUMN compression SET DEFAULT 'none';"
-        ),
         M::up(
             "ALTER TABLE items ADD COLUMN digest_type TEXT NOT NULL DEFAULT 'none';"
         ),
@@ -51,7 +48,7 @@ pub struct Item {
     pub size: Option<i64>,
     pub compression: String,
     pub digest_type: String,
-    pub digest_value: String,
+    pub digest_value: Option<String>,
 }
 
 #[derive(Debug, Clone)]

src/modes/common.rs

@@ -53,6 +53,8 @@ pub enum ColumnType {
     Time,
     Size,
     Compression,
+    DigestType,
+    DigestValue,
     FileSize,
     FilePath,
     Tags,

src/modes/list.rs

@@ -142,6 +142,17 @@ pub fn mode_list(
                 ColumnType::Compression => {
                     Cell::new(&string_column(item.compression.to_string(), column_width))
                 }
+                ColumnType::DigestType => {
+                    Cell::new(&string_column(item.digest_type.to_string(), column_width))
+                }
+                ColumnType::DigestValue => {
+                    match item.digest_value {
+                        Some(ref value) => Cell::new(&string_column(value.to_string(), column_width)),
+                        None => Cell::new("Missing")
+                            .with_style(Attr::ForegroundColor(color::RED))
+                            .with_style(Attr::Bold),
+                    }
+                }
                 ColumnType::FileSize => match item_path.metadata() {
                     Ok(metadata) => Cell::new_align(
                         &size_column(

src/modes/save.rs

@@ -72,7 +72,7 @@ pub fn mode_save(
         size: None,
         compression: compression_type.to_string(),
         digest_type: digest_type.to_string(),
-        digest_value: String::new(),
+        digest_value: Some(String::new()),
     };
 
     let id = db::insert_item(conn, item.clone())?;
@@ -169,7 +169,7 @@ pub fn mode_save(
     // Finalize the digest and log the result
     let digest = digest_engine.finalize()?;
     debug!("DIGEST: {}", digest);
-    item.digest_value = digest;
+    item.digest_value = Some(digest);
 
     db::update_item(conn, item.clone())?;