Rearrange the terminal code to not have a cyclic dependency with the project

crates/terminal_view/src/persistence.rs

@@ -0,0 +1,53 @@
+use std::path::PathBuf;
+
+use db::{define_connection, query, sqlez_macros::sql};
+use workspace::{WorkspaceDb, WorkspaceId};
+
+type ModelId = usize;
+
+define_connection! {
+    pub static ref TERMINAL_DB: TerminalDb<WorkspaceDb> =
+        &[sql!(
+            CREATE TABLE terminals (
+                workspace_id INTEGER,
+                model_id INTEGER UNIQUE,
+                working_directory BLOB,
+                PRIMARY KEY(workspace_id, model_id),
+                FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
+                    ON DELETE CASCADE
+            ) STRICT;
+        )];
+}
+
+impl TerminalDb {
+    query! {
+       pub async fn update_workspace_id(
+            new_id: WorkspaceId,
+            old_id: WorkspaceId,
+            item_id: ModelId
+        ) -> Result<()> {
+            UPDATE terminals
+            SET workspace_id = ?
+            WHERE workspace_id = ? AND item_id = ?
+        }
+    }
+
+    query! {
+        pub async fn save_working_directory(
+            item_id: ModelId,
+            workspace_id: i64,
+            working_directory: PathBuf
+        ) -> Result<()> {
+            INSERT OR REPLACE INTO terminals(item_id, workspace_id, working_directory)
+            VALUES (?, ?, ?)
+        }
+    }
+
+    query! {
+        pub fn get_working_directory(item_id: ModelId, workspace_id: WorkspaceId) -> Result<Option<PathBuf>> {
+            SELECT working_directory
+            FROM terminals
+            WHERE item_id = ? AND workspace_id = ?
+        }
+    }
+}