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use indexmap::IndexSet;
use onechatsocial_result::Result;
use crate::{AppendMessage, Message, MessageQuery, PartialMessage, ReferenceDb};
use super::AbstractMessages;
#[async_trait]
impl AbstractMessages for ReferenceDb {
/// Insert a new message into the database
async fn insert_message(&self, message: &Message) -> Result<()> {
let mut messages = self.messages.lock().await;
if messages.contains_key(&message.id) {
Err(create_database_error!("insert", "message"))
} else {
messages.insert(message.id.to_string(), message.clone());
Ok(())
}
}
/// Fetch a message by its id
async fn fetch_message(&self, id: &str) -> Result<Message> {
let messages = self.messages.lock().await;
messages
.get(id)
.cloned()
.ok_or_else(|| create_error!(NotFound))
}
/// Fetch multiple messages by given query
async fn fetch_messages(&self, query: MessageQuery) -> Result<Vec<Message>> {
let messages = self.messages.lock().await;
let matched_messages = messages
.values()
.filter(|message| {
if let Some(channel) = &query.filter.channel {
if &message.channel != channel {
return false;
}
}
if let Some(author) = &query.filter.author {
if &message.author != author {
return false;
}
}
if let Some(query) = &query.filter.query {
if let Some(content) = &message.content {
if !content.to_lowercase().contains(query) {
return false;
}
} else {
return false;
}
}
true
})
.cloned()
.collect();
// FIXME: sorting, etc (will be required for tests)
Ok(matched_messages)
/*
// 2. Find query limit
let limit = query.limit.unwrap_or(50);
// 3. Apply message time period
match query.time_period {
MessageTimePeriod::Relative { nearby } => {
// 3.1. Prepare filters
let mut older_message_filter = filter.clone();
let mut newer_message_filter = filter;
older_message_filter.insert(
"_id",
doc! {
"$lt": &nearby
},
);
newer_message_filter.insert(
"_id",
doc! {
"$gte": &nearby
},
);
// 3.2. Execute in both directions
let (a, b) = try_join!(
self.find_with_options::<_, Message>(
COL,
newer_message_filter,
FindOptions::builder()
.limit(limit / 2 + 1)
.sort(doc! {
"_id": 1_i32
})
.build(),
),
self.find_with_options::<_, Message>(
COL,
older_message_filter,
FindOptions::builder()
.limit(limit / 2)
.sort(doc! {
"_id": -1_i32
})
.build(),
)
)
.map_err(|_| create_database_error!("find", COL))?;
Ok([a, b].concat())
}
MessageTimePeriod::Absolute {
before,
after,
sort,
} => {
// 3.1. Apply message ID filter
if let Some(doc) = match (before, after) {
(Some(before), Some(after)) => Some(doc! {
"$lt": before,
"$gt": after
}),
(Some(before), _) => Some(doc! {
"$lt": before
}),
(_, Some(after)) => Some(doc! {
"$gt": after
}),
_ => None,
} {
filter.insert("_id", doc);
}
// 3.2. Execute with given message sort
self.find_with_options(
COL,
filter,
FindOptions::builder()
.limit(limit)
.sort(match sort.unwrap_or(MessageSort::Latest) {
// Sort by relevance, fallback to latest
MessageSort::Relevance => {
if is_search_query {
doc! {
"score": {
"$meta": "textScore"
}
}
} else {
doc! {
"_id": -1_i32
}
}
}
// Sort by latest first
MessageSort::Latest => doc! {
"_id": -1_i32
},
// Sort by oldest first
MessageSort::Oldest => doc! {
"_id": 1_i32
},
})
.build(),
)
.await
.map_err(|_| create_database_error!("find", COL))
}
}*/
}
/// Update a given message with new information
async fn update_message(&self, id: &str, message: &PartialMessage) -> Result<()> {
let mut messages = self.messages.lock().await;
if let Some(message_data) = messages.get_mut(id) {
message_data.apply_options(message.to_owned());
Ok(())
} else {
Err(create_error!(NotFound))
}
}
/// Append information to a given message
async fn append_message(&self, id: &str, append: &AppendMessage) -> Result<()> {
let mut messages = self.messages.lock().await;
if let Some(message_data) = messages.get_mut(id) {
if let Some(embeds) = &append.embeds {
if !embeds.is_empty() {
if let Some(embeds_data) = &mut message_data.embeds {
embeds_data.extend(embeds.clone());
} else {
message_data.embeds = Some(embeds.clone());
}
}
}
Ok(())
} else {
Err(create_error!(NotFound))
}
}
/// Add a new reaction to a message
async fn add_reaction(&self, id: &str, emoji: &str, user: &str) -> Result<()> {
let mut messages = self.messages.lock().await;
if let Some(message) = messages.get_mut(id) {
if let Some(users) = message.reactions.get_mut(emoji) {
users.insert(user.to_string());
} else {
message
.reactions
.insert(emoji.to_string(), IndexSet::from([user.to_string()]));
}
Ok(())
} else {
Err(create_error!(NotFound))
}
}
/// Remove a reaction from a message
async fn remove_reaction(&self, id: &str, emoji: &str, user: &str) -> Result<()> {
let mut messages = self.messages.lock().await;
if let Some(message) = messages.get_mut(id) {
if let Some(users) = message.reactions.get_mut(emoji) {
users.remove(&user.to_string());
}
Ok(())
} else {
Err(create_error!(NotFound))
}
}
/// Remove reaction from a message
async fn clear_reaction(&self, id: &str, emoji: &str) -> Result<()> {
let mut messages = self.messages.lock().await;
if let Some(message) = messages.get_mut(id) {
message.reactions.remove(emoji);
Ok(())
} else {
Err(create_error!(NotFound))
}
}
/// Delete a message from the database by its id
async fn delete_message(&self, id: &str) -> Result<()> {
let mut messages = self.messages.lock().await;
if messages.remove(id).is_some() {
Ok(())
} else {
Err(create_error!(NotFound))
}
}
/// Delete messages from a channel by their ids and corresponding channel id
async fn delete_messages(&self, channel: &str, ids: &[String]) -> Result<()> {
self.messages
.lock()
.await
.retain(|id, message| message.channel != channel && !ids.contains(id));
Ok(())
}
}