ok i think i'm getting this interface now

Cargo.lock

@@ -89,8 +89,15 @@ dependencies = [
  "once_cell",
  "redb",
  "serde",
+ "uuid",
 ]
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.66"
@@ -119,6 +126,36 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "redb"
 version = "1.0.5"
@@ -212,6 +249,16 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "301abaae475aa91687eb82514b328ab47a211a533026cb25fc3e519b86adfc3c"
 
+[[package]]
+name = "uuid"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79daa5ed5740825c40b389c5e50312b9c86df53fccd33f281df655642b43869d"
+dependencies = [
+ "getrandom",
+ "rand",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"

Cargo.toml

@@ -12,3 +12,4 @@ dirs = "5.0.1"
 once_cell = "1.18.0"
 redb = "1.0.5"
 serde = { version = "1.0.171", features = ["derive"] }
+uuid = { version = "1.4.1", features = ["v4", "v8", "fast-rng"] }

src/apps/mod.rs

@@ -29,9 +29,9 @@ impl AppManager {
   /// Register apps into the pool
   ///
   /// Using these search paths:
-  /// - Anything specified in a config file (TODO)
-  /// - If DEVELOPMENT=true, look at PANORAMA_SRC/apps
-  /// - Default location at dirs::data_dir()/apps
+  /// - Anything specified in a config file (`TODO`)
+  /// - If `DEVELOPMENT=true`, look at `$PANORAMA_SRC/apps`
+  /// - Default location at `${dirs::data_dir()}/apps`
   pub async fn register(&mut self) -> Result<()> {
     let mut search_locations = vec![];
 
@@ -45,7 +45,9 @@ impl AppManager {
   }
 
   /// Figure out which indices are required by the set of known apps
-  pub async fn compute_indices(&self) -> Result<()> { Ok(()) }
+  pub async fn compute_indices(&self) -> Result<()> {
+    Ok(())
+  }
 }
 
 pub struct App {

src/db.rs

@@ -1,8 +1,10 @@
 use std::path::Path;
 
 use anyhow::Result;
+use redb::ReadableTable;
+use uuid::Uuid;
 
-use crate::db_keys::nodes_by_id;
+use crate::db_keys::{metadata_by_id, nodes_by_id};
 
 pub struct PanoramaDb {
   redb_db: redb::Database,
@@ -29,6 +31,20 @@ impl PanoramaDb {
     let tx = self.redb_db.begin_write()?;
     Ok(WriteTransaction { redb_tx: tx })
   }
+
+  pub fn print_all_nodes(&self) -> Result<()> {
+    let tx = self.redb_db.begin_read()?;
+
+    let table = tx.open_table(*nodes_by_id())?;
+    for node in table.iter()? {
+      let (key, value) = node?;
+      let key = key.value();
+      let value = value.value();
+      println!("key: {key:?}, value: {value:?}");
+    }
+
+    Ok(())
+  }
 }
 
 pub struct ReadTransaction<'db> {
@@ -47,12 +63,16 @@ pub struct CreateNodeOptions {
 
 impl<'db> WriteTransaction<'db> {
   pub fn create_node(&self) -> Result<()> {
-    let mut table = self.redb_tx.open_table(*nodes_by_id())?;
+    let id = Uuid::new_v4();
+    let id_str = id.to_string();
 
     // Create the actual node
-    table.insert((), ())?;
+    let mut node_table = self.redb_tx.open_table(*nodes_by_id())?;
+    node_table.insert(id_str.as_str(), ())?;
 
     // Create metadata keys
+    let mut metadata_table = self.redb_tx.open_table(*metadata_by_id())?;
+    metadata_table.insert((id_str.as_str(), "", ""), ())?;
 
     Ok(())
   }

src/db_keys.rs

@@ -11,4 +11,11 @@ macro_rules! table_def {
   };
 }
 
-table_def!(nodes_by_id, (), ());
+table_def!(nodes_by_id, &'static str, ());
+
+// (node id, metadata app, app key)
+table_def!(
+  metadata_by_id,
+  (&'static str, &'static str, &'static str),
+  ()
+);

src/lib.rs

@@ -1,5 +1,6 @@
 #[macro_use]
 extern crate serde;
 
+pub mod apps;
 pub mod db;
 pub mod db_keys;

src/main.rs

@@ -11,6 +11,14 @@ fn main() -> Result<()> {
 
   let database = PanoramaDb::open(database_file_path)?;
 
+  {
+    let write = database.begin_write()?;
+    write.create_node()?;
+    write.commit()?;
+  }
+
+  database.print_all_nodes()?;
+
   println!("Hello, world!");
 
   Ok(())