use crate::database::hashmap_store::{
HashMapStore, delete_from_backward_junction, junction_get, junction_remove, junction_set,
};
use crate::entities::Block;
use crate::error::RepositoryError;
use crate::types::EntityId;
use crate::{impl_relationship_methods, impl_write_relationship_methods};
use im::HashMap;
use std::sync::RwLock;
use super::block_repository::BlockRelationshipField;
use super::block_repository::BlockTable;
use super::block_repository::BlockTableRO;
pub struct BlockHashMapTable<'a> {
store: &'a HashMapStore,
}
impl<'a> BlockHashMapTable<'a> {
pub fn new(store: &'a HashMapStore) -> Self {
Self { store }
}
fn resolve_junction(
&self,
field: &BlockRelationshipField,
) -> &RwLock<HashMap<EntityId, Vec<EntityId>>> {
match field {
BlockRelationshipField::Elements => &self.store.jn_inline_element_from_block_elements,
BlockRelationshipField::List => &self.store.jn_list_from_block_list,
}
}
fn hydrate(&self, entity: &mut Block) {
entity.elements = junction_get(
&self.store.jn_inline_element_from_block_elements,
&entity.id,
);
entity.list = junction_get(&self.store.jn_list_from_block_list, &entity.id)
.into_iter()
.next();
}
}
impl<'a> BlockTable for BlockHashMapTable<'a> {
fn create(&mut self, entity: &Block) -> Result<Block, RepositoryError> {
self.create_multi(std::slice::from_ref(entity))
.map(|v| v.into_iter().next().unwrap())
}
fn create_multi(&mut self, entities: &[Block]) -> Result<Vec<Block>, RepositoryError> {
let mut created = Vec::with_capacity(entities.len());
let mut block_map = self.store.blocks.write().unwrap();
for entity in entities {
let new_entity = if entity.id == EntityId::default() {
let id = self.store.next_id("block");
Block {
id,
..entity.clone()
}
} else {
if block_map.contains_key(&entity.id) {
return Err(RepositoryError::DuplicateId {
entity: "Block",
id: entity.id,
});
}
entity.clone()
};
block_map.insert(new_entity.id, new_entity.clone());
junction_set(
&self.store.jn_inline_element_from_block_elements,
new_entity.id,
new_entity.elements.clone(),
);
junction_set(
&self.store.jn_list_from_block_list,
new_entity.id,
new_entity.list.into_iter().collect::<Vec<EntityId>>(),
);
created.push(new_entity);
}
Ok(created)
}
fn get(&self, id: &EntityId) -> Result<Option<Block>, RepositoryError> {
let block_map = self.store.blocks.read().unwrap();
match block_map.get(id) {
Some(entity) => {
let mut e = entity.clone();
drop(block_map);
self.hydrate(&mut e);
Ok(Some(e))
}
None => Ok(None),
}
}
fn get_multi(&self, ids: &[EntityId]) -> Result<Vec<Option<Block>>, RepositoryError> {
let mut result = Vec::with_capacity(ids.len());
for id in ids {
result.push(self.get(id)?);
}
Ok(result)
}
fn get_all(&self) -> Result<Vec<Block>, RepositoryError> {
let block_map = self.store.blocks.read().unwrap();
let entries: Vec<Block> = block_map.values().cloned().collect();
drop(block_map);
let mut result = Vec::with_capacity(entries.len());
for mut entity in entries {
self.hydrate(&mut entity);
result.push(entity);
}
Ok(result)
}
fn update(&mut self, entity: &Block) -> Result<Block, RepositoryError> {
self.update_multi(std::slice::from_ref(entity))
.map(|v| v.into_iter().next().unwrap())
}
fn update_multi(&mut self, entities: &[Block]) -> Result<Vec<Block>, RepositoryError> {
let mut block_map = self.store.blocks.write().unwrap();
for entity in entities {
block_map.insert(entity.id, entity.clone());
}
drop(block_map);
let ids: Vec<EntityId> = entities.iter().map(|e| e.id).collect();
let result = self.get_multi(&ids)?;
Ok(result.into_iter().flatten().collect())
}
fn update_with_relationships(&mut self, entity: &Block) -> Result<Block, RepositoryError> {
self.update_with_relationships_multi(std::slice::from_ref(entity))
.map(|v| v.into_iter().next().unwrap())
}
fn update_with_relationships_multi(
&mut self,
entities: &[Block],
) -> Result<Vec<Block>, RepositoryError> {
let mut block_map = self.store.blocks.write().unwrap();
for entity in entities {
block_map.insert(entity.id, entity.clone());
junction_set(
&self.store.jn_inline_element_from_block_elements,
entity.id,
entity.elements.clone(),
);
junction_set(
&self.store.jn_list_from_block_list,
entity.id,
entity.list.into_iter().collect::<Vec<EntityId>>(),
);
}
drop(block_map);
let ids: Vec<EntityId> = entities.iter().map(|e| e.id).collect();
let result = self.get_multi(&ids)?;
Ok(result.into_iter().flatten().collect())
}
fn remove(&mut self, id: &EntityId) -> Result<(), RepositoryError> {
self.remove_multi(std::slice::from_ref(id))
}
fn remove_multi(&mut self, ids: &[EntityId]) -> Result<(), RepositoryError> {
let mut block_map = self.store.blocks.write().unwrap();
for id in ids {
block_map.remove(id);
junction_remove(&self.store.jn_inline_element_from_block_elements, id);
junction_remove(&self.store.jn_list_from_block_list, id);
delete_from_backward_junction(&self.store.jn_block_from_frame_blocks, id);
}
Ok(())
}
impl_write_relationship_methods!(BlockHashMapTable<'a>, BlockRelationshipField);
}
pub struct BlockHashMapTableRO<'a> {
store: &'a HashMapStore,
}
impl<'a> BlockHashMapTableRO<'a> {
pub fn new(store: &'a HashMapStore) -> Self {
Self { store }
}
fn resolve_junction(
&self,
field: &BlockRelationshipField,
) -> &RwLock<HashMap<EntityId, Vec<EntityId>>> {
match field {
BlockRelationshipField::Elements => &self.store.jn_inline_element_from_block_elements,
BlockRelationshipField::List => &self.store.jn_list_from_block_list,
}
}
fn hydrate(&self, entity: &mut Block) {
entity.elements = junction_get(
&self.store.jn_inline_element_from_block_elements,
&entity.id,
);
entity.list = junction_get(&self.store.jn_list_from_block_list, &entity.id)
.into_iter()
.next();
}
}
impl<'a> BlockTableRO for BlockHashMapTableRO<'a> {
fn get(&self, id: &EntityId) -> Result<Option<Block>, RepositoryError> {
let block_map = self.store.blocks.read().unwrap();
match block_map.get(id) {
Some(entity) => {
let mut e = entity.clone();
drop(block_map);
self.hydrate(&mut e);
Ok(Some(e))
}
None => Ok(None),
}
}
fn get_multi(&self, ids: &[EntityId]) -> Result<Vec<Option<Block>>, RepositoryError> {
let mut result = Vec::with_capacity(ids.len());
for id in ids {
result.push(self.get(id)?);
}
Ok(result)
}
fn get_all(&self) -> Result<Vec<Block>, RepositoryError> {
let block_map = self.store.blocks.read().unwrap();
let entries: Vec<Block> = block_map.values().cloned().collect();
drop(block_map);
let mut result = Vec::with_capacity(entries.len());
for mut entity in entries {
self.hydrate(&mut entity);
result.push(entity);
}
Ok(result)
}
impl_relationship_methods!(BlockHashMapTableRO<'a>, BlockRelationshipField);
}