Merge pull request 'set up Alembic for handling database migrations' (#1) from alembic into dev

Reviewed-on: #1

src/blocktree.rs

@@ -5,8 +5,8 @@ use std::collections::HashMap;
 pub struct NoteBlock {
     // IDs are int64 as this is the datatype of rowids in sqlite
     id: i128,
-    first_child_id: Option<i128>,
+    pub first_child_id: Option<i128>,
-    next_sibling_id: Option<i128>,
+    pub next_sibling_id: Option<i128>,
     
     content: String
 }
@@ -18,7 +18,7 @@ impl NoteBlock {
 }
 
 #[derive(Debug)]
-struct BlockTreeNode {
+pub struct BlockTreeNode {
     // a tree of nodes, where each node refers to its block by id.
     // the id is used as the key in a page's block table.
     block_id: i128,
@@ -28,7 +28,7 @@ struct BlockTreeNode {
 }
 
 impl BlockTreeNode {
-    pub fn new(block_id: i128) -> Self {
+    fn new(block_id: i128) -> Self {
         BlockTreeNode {
             block_id,
             block_level: None,
@@ -38,12 +38,12 @@ impl BlockTreeNode {
     }
 }
 
-struct BlockTreeIterator<'a> {
+pub struct BlockTreeIterator<'a> {
     node_stack: Vec<&'a BlockTreeNode>
 }
 
 impl<'a> BlockTreeIterator<'a> {
-    fn new(root_node: &'a BlockTreeNode) -> Self {
+    pub fn new(root_node: &'a BlockTreeNode) -> Self {
         Self {
             node_stack: vec![root_node]
         }
@@ -78,7 +78,7 @@ impl<'a> Iterator for BlockTreeIterator<'a> {
 pub struct NotePage {
     title: String,
     id: i128,
-    block_tree_root: BlockTreeNode,
+    pub block_tree_root: BlockTreeNode,
     
     block_table: HashMap<i128, NoteBlock>
 }

src/main.rs

@@ -1,20 +1,44 @@
+use std::collections::HashMap;
 
-
+use outline_rs::blocktree::{NoteBlock, NotePage, BlockTreeIterator};
-use outline_rs::blocktree::{NoteBlock, NotePage};
 
 fn main() {
-    let root_block = NoteBlock::new(0,Some(1),Some(2),String::from("hello"));
+    let root_block = NoteBlock::new(0,Some(1),None,String::from("hello"));
+
+    let mut block_map = HashMap::new();
+    for idx in 1..=5 {
+        let new_block = NoteBlock::new(idx,None, None, String::from("I'm block {idx}"));
+        block_map.insert(idx,new_block);
+    }
+
     let mut page = NotePage::new(String::from("page 1"), 0, root_block);
-    let new_block = NoteBlock::new(1,None,None, String::from("world"));
+
-    page.insert(new_block);
+    // take each new block and give it some children/siblings
-    let new_block = NoteBlock::new(2,Some(3),None, String::from("world"));
+    let mut block1 = block_map.remove(&1).unwrap();
-    page.insert(new_block);
+    block1.next_sibling_id = Some(2);
-    let new_block = NoteBlock::new(3,Some(4),None, String::from("world"));
+    page.insert(block1);
-    page.insert(new_block);
+
-    let new_block = NoteBlock::new(4,None,None, String::from("world"));
+    let mut block2 = block_map.remove(&2).unwrap();
-    page.insert(new_block);
+    block2.first_child_id = Some(3);
+    block2.next_sibling_id = Some(4);
+    page.insert(block2);
+
+    let mut block3 = block_map.remove(&3).unwrap();
+    page.insert(block3);
+
+    let mut block4 = block_map.remove(&4).unwrap();
+    block4.first_child_id = Some(5);
+    page.insert(block4);
+
+    let mut block5 = block_map.remove(&5).unwrap();
+    page.insert(block5);
+
     page.build_tree();
 
     println!("{:?}", page);
 //    println!("{:?}", page.block_tree_root.first_child_node)
+    let iter = BlockTreeIterator::new(&page.block_tree_root);
+    for id in iter {
+        println!("{}", id);
+    }
 }