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use std::{
collections::BTreeMap,
convert::TryFrom,
io::{Error, ErrorKind},
};
#[cfg(test)]
use std::collections::HashSet;
use binn_ir::value::Value;
use crate::db::Id;
const KEY_ID: i32 = 0;
const KEY_DATE_CREATED: i32 = 1;
const KEY_USER_ID: i32 = 2;
const KEY_TITLE: i32 = 3;
const KEY_CONTENT: i32 = 4;
const KEY_DATA: i32 = 5;
const KEY_READ: i32 = 6;
#[test]
fn test_keys() {
let keys = &[KEY_ID, KEY_DATE_CREATED, KEY_USER_ID, KEY_TITLE, KEY_CONTENT, KEY_DATA, KEY_READ];
assert_eq!(keys.len(), keys.iter().collect::<HashSet<_>>().len());
}
#[derive(Debug)]
pub struct Notification {
id: Option<Id>,
date_created: Option<u64>,
user_id: Option<Id>,
title: Option<String>,
content: Option<String>,
data: Option<Vec<u8>>,
read: bool,
}
impl Notification {
pub const fn new(
id: Option<Id>, date_created: Option<u64>, user_id: Option<Id>, title: Option<String>, content: Option<String>, data: Option<Vec<u8>>,
read: bool,
) -> Self {
Self {
id,
date_created,
user_id,
title,
content,
data,
read,
}
}
pub fn id(&self) -> Option<Id> {
self.id
}
pub fn date_created(&self) -> Option<u64> {
self.date_created
}
pub fn user_id(&self) -> Option<Id> {
self.user_id
}
pub fn title(&self) -> Option<&str> {
self.title.as_ref().map(|t| t.as_str())
}
pub fn content(&self) -> Option<&str> {
self.content.as_ref().map(|c| c.as_str())
}
pub fn data(&self) -> Option<&[u8]> {
self.data.as_ref().map(|d| d.as_slice())
}
pub fn is_read(&self) -> bool {
self.read
}
}
impl From<Notification> for Value {
fn from(notification: Notification) -> Self {
let mut map = BTreeMap::new();
if let Some(id) = notification.id {
map.insert(KEY_ID, id.into());
}
if let Some(date_created) = notification.date_created {
map.insert(KEY_DATE_CREATED, date_created.into());
}
if let Some(user_id) = notification.user_id {
map.insert(KEY_USER_ID, user_id.into());
}
if let Some(title) = notification.title {
map.insert(KEY_TITLE, title.into());
}
if let Some(content) = notification.content {
map.insert(KEY_CONTENT, content.into());
}
if let Some(data) = notification.data {
map.insert(KEY_DATA, data.into());
}
map.insert(KEY_READ, notification.read.into());
map.into()
}
}
impl TryFrom<Value> for Notification {
type Error = Error;
fn try_from(value: Value) -> Result<Self, Self::Error> {
match value {
Value::Map(mut map) => Ok(Self {
id: match map.remove(&KEY_ID) {
Some(Value::I64(id)) => Some(id),
Some(other) => return Err(Error::new(ErrorKind::InvalidData, format!("Invalid ID: {:?}", other))),
None => None,
},
date_created: match map.remove(&KEY_DATE_CREATED) {
Some(Value::U64(date_created)) => Some(date_created),
Some(other) => return Err(Error::new(ErrorKind::InvalidData, format!("Invalid date created: {:?}", other))),
None => None,
},
user_id: match map.remove(&KEY_USER_ID) {
Some(Value::I64(user_id)) => Some(user_id),
Some(other) => return Err(Error::new(ErrorKind::InvalidData, format!("Invalid user ID: {:?}", other))),
None => None,
},
title: match map.remove(&KEY_TITLE) {
Some(Value::Text(title)) => Some(title),
Some(other) => return Err(Error::new(ErrorKind::InvalidData, format!("Invalid title: {:?}", other))),
None => None,
},
content: match map.remove(&KEY_CONTENT) {
Some(Value::Text(content)) => Some(content),
Some(other) => return Err(Error::new(ErrorKind::InvalidData, format!("Invalid content: {:?}", other))),
None => None,
},
data: match map.remove(&KEY_DATA) {
Some(Value::Blob(data)) => Some(data),
Some(other) => return Err(Error::new(ErrorKind::InvalidData, format!("Invalid data: {:?}", other))),
None => None,
},
read: match map.remove(&KEY_READ).ok_or_else(|| Error::new(ErrorKind::Other, "Missing read flag"))? {
Value::True => true,
Value::False => false,
other => return Err(Error::new(ErrorKind::InvalidData, format!("Invalid read flag: {:?}", other))),
},
}),
other => Err(Error::new(ErrorKind::Other, format!("Value is not a map: {:?}", other))),
}
}
}