update

cli-bin/src/cli/coll.rs

@@ -0,0 +1,106 @@
+//! `marlin coll …` – named collections of files (simple “playlists”).
+
+use clap::{Args, Subcommand};
+use rusqlite::Connection;
+
+use crate::cli::Format;   // local enum for text / json output
+use libmarlin::db;        // core DB helpers from the library crate
+
+#[derive(Subcommand, Debug)]
+pub enum CollCmd {
+    /// Create an empty collection
+    Create(CreateArgs),
+    /// Add files (glob) to a collection
+    Add(AddArgs),
+    /// List files inside a collection
+    List(ListArgs),
+}
+
+#[derive(Args, Debug)]
+pub struct CreateArgs {
+    pub name: String,
+}
+
+#[derive(Args, Debug)]
+pub struct AddArgs {
+    pub name: String,
+    pub file_pattern: String,
+}
+
+#[derive(Args, Debug)]
+pub struct ListArgs {
+    pub name: String,
+}
+
+/// Look-up an existing collection **without** implicitly creating it.
+///
+/// Returns the collection ID or an error if it doesn’t exist.
+fn lookup_collection_id(conn: &Connection, name: &str) -> anyhow::Result<i64> {
+    conn.query_row(
+        "SELECT id FROM collections WHERE name = ?1",
+        [name],
+        |r| r.get(0),
+    )
+    .map_err(|_| anyhow::anyhow!("collection not found: {}", name))
+}
+
+pub fn run(cmd: &CollCmd, conn: &mut Connection, fmt: Format) -> anyhow::Result<()> {
+    match cmd {
+        /* ── coll create ──────────────────────────────────────────── */
+        CollCmd::Create(a) => {
+            db::ensure_collection(conn, &a.name)?;
+            if matches!(fmt, Format::Text) {
+                println!("Created collection '{}'", a.name);
+            }
+        }
+
+        /* ── coll add ─────────────────────────────────────────────── */
+        CollCmd::Add(a) => {
+            // Fail if the target collection does not yet exist
+            let coll_id = lookup_collection_id(conn, &a.name)?;
+
+            let like = a.file_pattern.replace('*', "%");
+            let mut stmt = conn.prepare("SELECT id FROM files WHERE path LIKE ?1")?;
+            let ids: Vec<i64> = stmt
+                .query_map([&like], |r| r.get::<_, i64>(0))?
+                .collect::<Result<_, _>>()?;
+
+            for fid in &ids {
+                db::add_file_to_collection(conn, coll_id, *fid)?;
+            }
+
+            match fmt {
+                Format::Text => println!("Added {} file(s) → '{}'", ids.len(), a.name),
+                Format::Json => {
+                    #[cfg(feature = "json")]
+                    {
+                        println!(
+                            "{{\"collection\":\"{}\",\"added\":{}}}",
+                            a.name,
+                            ids.len()
+                        );
+                    }
+                }
+            }
+        }
+
+        /* ── coll list ────────────────────────────────────────────── */
+        CollCmd::List(a) => {
+            let files = db::list_collection(conn, &a.name)?;
+            match fmt {
+                Format::Text => {
+                    for f in files {
+                        println!("{f}");
+                    }
+                }
+                Format::Json => {
+                    #[cfg(feature = "json")]
+                    {
+                        println!("{}", serde_json::to_string(&files)?);
+                    }
+                }
+            }
+        }
+    }
+    Ok(())
+}