made sure table file updates

This commit is contained in:
Liam Fitzpatrick 2024-04-12 08:52:43 -04:00
parent e760397494
commit 862d1aae2a
3 changed files with 24 additions and 12 deletions

View File

@ -1,8 +1,8 @@
use serde::{Deserialize, Serialize}; use serde::Serialize;
use serde::de::DeserializeOwned; use serde::de::DeserializeOwned;
use bson::{bson, Bson, doc, Document}; use bson::Document;
use std::fs::File; use std::fs::File;
use std::io::{BufReader, Seek, Write, Read}; use std::io::{BufReader, Seek, Write};
use std::error::Error; use std::error::Error;

View File

@ -10,19 +10,19 @@ struct Potato {
} }
fn main() { fn main() {
// let mut peeps: Collection<Potato> = Collection{entries: Vec::new()}; let mut peeps: Collection<Potato> = Collection{entries: Vec::new()};
// peeps.entries.push(Potato{bob:12.0}); peeps.entries.push(Potato{bob:12.0});
// peeps.entries.push(Potato{bob:42.0}); peeps.entries.push(Potato{bob:42.0});
// let mut table = Table::init().unwrap();
// table.insert(peeps).unwrap();
let mut table = Table::init().unwrap(); let mut table = Table::init().unwrap();
table.addToCollection(1, Potato{bob: 66.0}).unwrap(); table.insert(peeps).unwrap();
// let mut table = Table::init().unwrap();
// table.addToCollection(1, Potato{bob: 66.0}).unwrap();
println!("blah"); println!("blah");
} }

View File

@ -55,6 +55,16 @@ impl Table {
Ok(table) Ok(table)
} }
fn rewrite_table(&mut self) -> Result<(), Box<dyn Error>>{
remove_file("metalize.table")?;
let file = File::create("metalize.table")?;
for row in self.rows.iter(){
let x = serde_json::to_value(row)?;
serde_json::to_writer(&file, &x)?;
}
Ok(())
}
pub fn insert<T:Serialize>(&mut self, entry: Collection<T>) -> Result<(), Box<dyn Error>> { pub fn insert<T:Serialize>(&mut self, entry: Collection<T>) -> Result<(), Box<dyn Error>> {
let path = Path::new("metalize.table"); let path = Path::new("metalize.table");
let y = if path.exists() { let y = if path.exists() {
@ -75,7 +85,7 @@ impl Table {
Ok(()) Ok(())
} }
pub fn addToCollection<T:Serialize + DeserializeOwned>(&mut self, collection_id : usize, object: T) -> Result<(), Box<dyn Error>>{ pub fn add_to_collection<T:Serialize + DeserializeOwned>(&mut self, collection_id : usize, object: T) -> Result<(), Box<dyn Error>>{
// TODO: this currently wipes out files and rewrites the entirety of them. Update to only change the sections that need to change. // TODO: this currently wipes out files and rewrites the entirety of them. Update to only change the sections that need to change.
let selected_row = self.getRow(collection_id); let selected_row = self.getRow(collection_id);
let mut selected_collection: Collection<T> = Collection::load(File::open(&selected_row.path)?)?; let mut selected_collection: Collection<T> = Collection::load(File::open(&selected_row.path)?)?;
@ -83,6 +93,7 @@ impl Table {
selected_collection.entries.push(object); selected_collection.entries.push(object);
selected_row.num_entries = selected_collection.entries.len(); selected_row.num_entries = selected_collection.entries.len();
selected_collection.save(File::create(&selected_row.path)?)?; selected_collection.save(File::create(&selected_row.path)?)?;
self.rewrite_table()?;
Ok(()) Ok(())
} }
@ -92,6 +103,7 @@ impl Table {
remove_file(&selected_row.path)?; remove_file(&selected_row.path)?;
selected_row.num_entries = entry.entries.len(); selected_row.num_entries = entry.entries.len();
entry.save(File::create(&selected_row.path)?)?; entry.save(File::create(&selected_row.path)?)?;
self.rewrite_table()?;
Ok(()) Ok(())
} }