use record id as hashmap value

This commit is contained in:
yggverse 2024-11-14 12:26:02 +02:00
parent f338b93217
commit d3f3475f15
5 changed files with 37 additions and 37 deletions

View File

@ -70,7 +70,7 @@ impl Navigation {
let request = self.request.widget().gobject().text();
self.bookmark
.update(self.profile.bookmark.has_request(&request, true));
.update(self.profile.bookmark.get(&request).is_ok());
self.history.update();
self.home.update(self.request.uri());
self.reload.update(!request.is_empty());

View File

@ -26,7 +26,7 @@ impl Bookmark {
// Build initial index
for record in database.records(None) {
if memory.add(record.request, record.time).is_err() {
if memory.add(record.request, record.id).is_err() {
todo!()
}
}
@ -37,25 +37,19 @@ impl Bookmark {
// Actions
/// Check request exist in:
/// * memory if `is_memory` is `true` (fast)
/// * database if `is_memory` is `false` (slow)
pub fn has_request(&self, request: &str, is_memory: bool) -> bool {
if is_memory {
self.memory.is_exist(request)
} else {
!self.database.records(Some(request)).is_empty()
/// Get record `id` by `request` from memory index
pub fn get(&self, request: &str) -> Result<i64, Error> {
match self.memory.get(request) {
Ok(id) => Ok(id),
Err(_) => Err(Error::MemoryNotFound),
}
}
/// Toggle record in `database` and `memory` index
pub fn toggle(&self, request: &str) -> Result<(), Error> {
// Get current timestamp for new record
let time = DateTime::now_local().unwrap();
// Delete record if exists
if self.has_request(request, false) {
match self.database.delete(request) {
if let Ok(id) = self.get(request) {
match self.database.delete(id) {
Ok(_) => match self.memory.delete(request) {
Ok(_) => Ok(()),
Err(_) => Err(Error::MemoryDelete),
@ -64,8 +58,11 @@ impl Bookmark {
}
// Otherwise, create new record
} else {
match self.database.add(time.clone(), request.into()) {
Ok(_) => match self.memory.add(request.into(), time) {
match self
.database
.add(DateTime::now_local().unwrap(), request.into())
{
Ok(id) => match self.memory.add(request.into(), id) {
Ok(_) => Ok(()),
Err(_) => Err(Error::MemoryAdd),
},

View File

@ -5,7 +5,7 @@ use std::{rc::Rc, sync::RwLock};
pub struct Table {
pub id: i64,
//pub profile_id: i64,
pub time: DateTime,
//pub time: DateTime,
pub request: String,
}
@ -52,21 +52,20 @@ impl Database {
}
}
pub fn delete(&self, request: &str) -> Result<(), ()> {
pub fn delete(&self, id: i64) -> Result<(), ()> {
// Begin new transaction
let mut writable = self.connection.write().unwrap();
let tx = writable.transaction().unwrap();
// Delete records match request
for record in select(&tx, self.profile_id, Some(request)).unwrap() {
let _ = delete(&tx, record.id);
}
// Done
match tx.commit() {
match delete(&tx, id) {
Ok(_) => match tx.commit() {
Ok(_) => Ok(()),
Err(_) => Err(()),
} // @TODO handle result
},
Err(_) => Err(()),
}
// @TODO handle result
}
}
@ -116,7 +115,7 @@ pub fn select(
Ok(Table {
id: row.get(0)?,
//profile_id: row.get(1)?,
time: DateTime::from_unix_local(row.get(2)?).unwrap(),
//time: DateTime::from_unix_local(row.get(2)?).unwrap(),
request: row.get(3)?,
})
})?;

View File

@ -3,4 +3,5 @@ pub enum Error {
DatabaseDelete,
MemoryAdd,
MemoryDelete,
MemoryNotFound,
}

View File

@ -1,12 +1,11 @@
mod error;
use error::Error;
use gtk::glib::DateTime;
use std::{cell::RefCell, collections::HashMap};
/// Reduce disk usage by cache Bookmarks index in memory
pub struct Memory {
index: RefCell<HashMap<String, DateTime>>,
index: RefCell<HashMap<String, i64>>,
}
impl Memory {
@ -21,16 +20,17 @@ impl Memory {
// Actions
/// Add new record for given `request`
/// * validates record with same key does not exist yet
pub fn add(&self, request: String, time: DateTime) -> Result<(), Error> {
match self.index.borrow_mut().insert(request, time) {
/// Add new record with `request` as key and `id` as value
/// * validate record with same key does not exist yet
pub fn add(&self, request: String, id: i64) -> Result<(), Error> {
match self.index.borrow_mut().insert(request, id) {
Some(_) => Err(Error::Overwrite),
None => Ok(()),
}
}
/// Delete record from index by `request`
/// * validate record key is exist
pub fn delete(&self, request: &str) -> Result<(), Error> {
match self.index.borrow_mut().remove(request) {
Some(_) => Ok(()),
@ -38,8 +38,11 @@ impl Memory {
}
}
/// Check `request` exist in memory index
pub fn is_exist(&self, request: &str) -> bool {
self.index.borrow().get(request).is_some()
/// Get `id` by `request` from memory index
pub fn get(&self, request: &str) -> Result<i64, Error> {
match self.index.borrow().get(request) {
Some(&id) => Ok(id),
None => Err(Error::NotFound),
}
}
}