fetch messages

Cargo.toml

@@ -9,5 +9,5 @@ edition = "2021"
 eframe = "0.26.2"
 futures = "0.3.30"
 image = "0.24.9"
-serenity = { default-features = false, features = ["client", "gateway", "model", "rustls_backend", "cache", "http"], version = "0.9.0-rc.2"}
+serenity = { version = "0.9.0-rc.2", default-features = false, features = ["client", "gateway", "model", "builder", "rustls_backend", "cache", "http"] }
 tokio = {features =  ["macros"], version = "0.2"}

src/bot.rs

@@ -4,6 +4,8 @@ use serenity::{
 	prelude::*,
 };
 use serenity::model::prelude::ChannelType;
+use serenity::model::id::ChannelId;
+use serenity::model::id::MessageId;
 use std::sync::mpsc;
 use std::sync::Mutex;
 use std::sync::atomic::{AtomicBool, Ordering};
@@ -31,7 +33,7 @@ impl EventHandler for Handler {
 		println!("bot : message received : '{}' from {}", msg.content, msg.author);
 		if msg.content == HELP_COMMAND {
 			if let Err(why) = msg.channel_id.say(&ctx.http, HELP_MESSAGE).await {
-				println!("bot : Error sending message: {:?}", why);
+				eprintln!("bot : Error sending message: {:?}", why);
 				return
 			}
 			println!("bot : successfuly sent reply");
@@ -109,8 +111,8 @@ async fn check_packets(context: &Context) {
 									}
 									
 								}
-								Err(e) => {
+								Err(why) => {
-									eprintln!("bot : Failed to get channels : {}", e);
+									eprintln!("bot : Failed to get channels : {}", why);
 								}
 							
 							}
@@ -118,14 +120,43 @@ async fn check_packets(context: &Context) {
 							println!("bot : guild not found");
 						};						
 					}
-					Err(e) => {
+					Err(why) => {
-						eprintln!("bot : Failed to parse guild ID string to u64: {}", e);
+						eprintln!("bot : Failed to parse guild ID string to u64: {}", why);
 					}
 				}
 			}
-			postman::Packet::FetchMessages(guild_id_str, channel_id_str) => {
+			postman::Packet::FetchMessages(guild_id_str, channel_id_str, first_message_id_str) => {
-				println!("bot : received FetchMessages packet, for guild '{}', channel : '{}'", guild_id_str, channel_id_str);
+				println!("bot : received FetchMessages packet, channel : '{}', first message : {}", channel_id_str, first_message_id_str);
 				if let Some(sender) = context.data.read().await.get::<postman::Sender>() {
+					match channel_id_str.parse::<u64>() {
+						Ok(channel_id_u64) => {
+							let channel_id = ChannelId::from(channel_id_u64);
+
+							let maybe_messages = channel_id.messages(&context.http, |retriever| {
+						        retriever.after(MessageId::from(158339864557912064)).limit(25)
+						    }).await;
+							
+							match maybe_messages {
+								Ok(messages) => {
+									println!("bot : got messages");
+									
+									for message in messages {
+										let discord_message = discord_structure::Message::new(message.id.to_string(), channel_id_str.clone(), guild_id_str.clone(), message.author.to_string(), message.content, message.timestamp.to_string());
+										sender.send(postman::Packet::Message(discord_message)).expect("Failed to send packet");
+									}
+								}
+								Err(why) => {
+									eprintln!("bot : Failed to fetch messages : {}", why);
+								}
+							
+							}
+						}
+						Err(why) => {
+							eprintln!("bot : Failed to parse channel ID string to u64: {}", why);
+						}
+					}
+					
+					
 					sender.send(postman::Packet::FinishedRequest).expect("Failed to send packet");
 				} else {
 					println!("bot : failed to retrieve sender");

src/discord_structure.rs

@@ -34,27 +34,29 @@ impl Channel {
 	}
 	
 	pub fn greetings(&mut self) {
-		self.messages.push(Message::new("-".into(), "0".into(), self.id.clone(), self.guild_id.clone(), "start of the conversation".into()));
+		self.messages.push(Message::new("0".into(), self.id.clone(), self.guild_id.clone(), "-".into(), "start of the conversation".into(), "".into()));
 	}
 }
 
 #[derive(PartialEq, Clone)]
 pub struct Message {
-	pub author_name: String,
 	pub id: String,
 	pub channel_id: String,
 	pub guild_id: String,
+	pub author_name: String,
 	pub content: String,
+	pub timestamp: String,
 }
 
 impl Message {
-	pub fn new(author_name: String, id: String, channel_id: String, guild_id: String, content: String) -> Self {
+	pub fn new(id: String, channel_id: String, guild_id: String, author_name: String, content: String, timestamp: String) -> Self {
 		Self {
-			author_name,
 			id,
 			channel_id,
 			guild_id,
+			author_name,
 			content,
+			timestamp,
 		}
 	}
 }

src/main.rs

@@ -90,6 +90,24 @@ impl eframe::App for Jiji {
 				}
 				postman::Packet::Message(message) => {
 					println!("gui : message received : '{}'", message.content);
+					
+					let mut guild: Option<usize> = None;
+					
+					for i in 0..self.guilds.len() {
+						if self.guilds[i].id != message.guild_id {
+							continue
+						}
+						guild = Some(i);
+					}
+					
+					if let Some(guild_index) = guild {
+						for i in 0..self.guilds[guild_index].channels.len() {
+							if self.guilds[guild_index].channels[i].id != message.channel_id {
+								continue
+							}
+							self.guilds[guild_index].channels[i].messages.insert(0, message.clone());
+						}
+					}
 				}
 				postman::Packet::FinishedRequest => {
 					self.pending_bot_requests = self.pending_bot_requests.checked_sub(1).unwrap_or(0);
@@ -174,7 +192,7 @@ impl Jiji {
 										if ui.add(egui::SelectableLabel::new(self.selected_channel == Some(i), self.guilds[*selected_guild_index].channels[i].name.clone())).clicked() {
 											self.selected_channel = Some(i);
 											if self.guilds[*selected_guild_index].channels[i].messages.len() == 0 {
-												let _ = self.sender.send(postman::Packet::FetchMessages(self.guilds[*selected_guild_index].id.clone(), self.guilds[*selected_guild_index].channels[i].id.clone()));
+												let _ = self.sender.send(postman::Packet::FetchMessages(self.guilds[*selected_guild_index].id.clone(), self.guilds[*selected_guild_index].channels[i].id.clone(), "".into()));
 												
 												self.pending_bot_requests += 1;
 												
@@ -211,7 +229,22 @@ impl Jiji {
 	
 	pub fn draw_feed(&mut self, ctx: &egui::Context) {
 		egui::CentralPanel::default().show(ctx, |ui| {
-			ui.label("");
+			egui::ScrollArea::vertical()
+					.stick_to_bottom(true)
+					.show(ui, |ui| {
+				if let Some(selected_guild_index) = &self.selected_guild {
+					if let Some(selected_channel_index) = &self.selected_channel {
+						for message in &self.guilds[*selected_guild_index].channels[*selected_channel_index].messages {
+							if message.author_name == "-" {
+								continue
+							}
+							ui.separator();
+							ui.label(&message.content);
+							ui.label(&message.author_name);
+						}
+					}
+				}
+			});
 		});
 	}
 }

src/postman.rs

@@ -8,7 +8,7 @@ pub enum Packet {
 	Channel(discord_structure::Channel),
 	Message(discord_structure::Message),
 	FetchChannels(String),
-	FetchMessages(String, String),
+	FetchMessages(String, String, String),
 	FinishedRequest,
 	
 }