add send_message function

src/api/handlers.rs

@@ -1,14 +1,22 @@
-use super::{request::*, response::{AppStatus, ResponseType}};
 use super::response::User;
 use super::response::UserList;
+use super::{
+    request::*,
+    response::{AppStatus, ResponseType},
+};
 use crate::chat::types::PackedMessage;
 use crate::chat::types::SP;
 use crate::db::{self, messages, types, users};
 use async_std::io::Result;
-use fcpv2::types::{traits::FcpParser, SSK};
+use fcpv2::client::fcp_types::ClientPut;
+use fcpv2::types::{
+    traits::{FcpParser, FcpRequest},
+    SSK,
+};
 use rusqlite::Connection;
 use serde_json::json;
 use uuid::Uuid;
+
 pub fn start_app(request: StartAppReq, server_sender: &SP) -> Result<()> {
     Ok(())
     //sending *JSON*, what everything is OK
@@ -32,7 +40,27 @@ pub fn load_users(request: LoadUsersReq, conn: &Connection, server_sender: &SP)
     Ok(())
 }
 pub fn send_message(request: SendMessageReq, conn: &Connection, server_sender: &SP) -> Result<()> {
-    unimplemented!()
+    if let Ok(user_data) = db::users::get_user_by_id(request.user_id, conn) {
+        let key = user_data.insert_key;
+        let identifier = &user_data.id.0.to_string()[..];
+        let fcp_req: String =
+            ClientPut::new_default_direct(key, identifier, &request.message[..]).convert();
+        server_sender
+            .send(PackedMessage::ToFreenet(fcp_req))
+            .unwrap();
+        Ok(())
+    } else {
+        // create error types
+        server_sender
+            .send(PackedMessage::ToClient(
+                json!(super::response::AppError {
+                    res_type: super::response::ErrorType::WrongUserId
+                })
+                .to_string(),
+            ))
+            .unwrap();
+        Ok(())
+    }
     //sending FCP request
 }
 
@@ -41,9 +69,20 @@ pub fn load_messages(
     conn: &Connection,
     server_sender: &SP,
 ) -> Result<()> {
-    unimplemented!()
+    let messages = db::messages::select_n_last_messages(
+        request.user_id,
+        request.start_index,
+        request.count,
+        conn,
+    )
+    .unwrap();
+    let jsoned = json!(messages);
+    let _ = server_sender.send(PackedMessage::ToClient(jsoned.to_string()));
+    Ok(())
+
     //sending *JSON*
 }
+// Adding user to DB
 pub fn add_user(request: AddUserReq, conn: &Connection, server_sender: &SP) -> Result<()> {
     let user = db::types::User {
         id: db::types::Id(Uuid::new_v4()),
@@ -53,6 +92,14 @@ pub fn add_user(request: AddUserReq, conn: &Connection, server_sender: &SP) -> R
         messages_count: 0,
     };
     db::users::add_user(user, &conn).unwrap();
-    server_sender.send(PackedMessage::ToClient(json!(AppStatus{res_type: ResponseType::UserAdded}).to_string())).unwrap();
+    // Sending "Ok" response to client
+    server_sender
+        .send(PackedMessage::ToClient(
+            json!(AppStatus {
+                res_type: ResponseType::UserAdded
+            })
+            .to_string(),
+        ))
+        .unwrap();
     Ok(())
 }

src/api/request.rs

@@ -1,7 +1,10 @@
+use std::sync::atomic::AtomicU32;
 use fcpv2::types::SSK;
 use serde_derive::{Deserialize, Serialize};
 use serde_json::Result;
 
+type Id = crate::db::types::Id;
+
 #[derive(Serialize, Deserialize, Debug, PartialEq)]
 pub struct CreateInstance;
 
@@ -47,16 +50,16 @@ pub struct LoadUsersReq {
 #[derive(Deserialize, Debug)]
 pub struct SendMessageReq {
     pub req_type: SendMessage,
-    pub user_id: u32,
+    pub user_id: Id,
     pub message: String,
 }
 
 #[derive(Deserialize, Debug)]
 pub struct LoadMessagesReq {
     pub req_type: LoadMessages,
-    pub user_id: u32,
+    pub user_id: Id,
-    pub count: u8,
+    pub count: u32,
-    pub start_index: u8,
+    pub start_index: u32,
 }
 
 #[derive(Deserialize, Debug)]

src/api/response.rs

@@ -18,7 +18,9 @@ pub enum ResponseType{
 #[derive(Serialize, Deserialize)]
 pub enum ErrorType{
     WrongKey,
-    FailedToAddUser
+    FailedToAddUser,
+    WrongUserId
+       
 }
 
 #[derive(Serialize, Deserialize)]

src/api/selector.rs

@@ -35,6 +35,7 @@ pub async fn request_selector(json: String, server_sender: &SP, conn: &Connectio
         match handlers::add_user(res, conn, server_sender) {
             Ok(_) => {},
             Err(e) => {
+                // Sending error to user, because failed to add user
                 let _ = server_sender
                     .send(PackedMessage::ToClient(
                         json!(AppError {

src/db/messages.rs

@@ -10,6 +10,7 @@ fn ret_mes(row: &rusqlite::Row<'_>) -> Result<Message> {
         message: row.get(3)?,
     })
 }
+type Id = crate::db::types::Id;
 
 pub fn select_message_by_id(user_id: u32, id:u32, conn: &Connection) -> Result<Message> {
     let mut selected = conn.prepare("SELECT * FROM messages WHERE id = ?1 AND user_id = ?2")?;
@@ -33,7 +34,7 @@ pub fn select_all_user_message(id: u32, conn: &Connection) -> Result<Vec<Message
 }
 
 pub fn select_n_last_messages(
-    user_id: u32,
+    user_id: Id,
     start: u32,
     count: u32,
     conn: &Connection,

src/db/users.rs

@@ -3,7 +3,7 @@ use fcpv2::types::{SSK, traits::FcpParser};
 
 use rusqlite::{params, Connection, Result, NO_PARAMS};
 
-pub fn get_user_by_id(id: u32, conn: &Connection) -> Result<User> {
+pub fn get_user_by_id(id: crate::db::types::Id, conn: &Connection) -> Result<User> {
     let mut selected = conn.prepare("SELECT * FROM users WHERE id = ?")?;
     let mut user_iter = selected.query_map(params![id], |row| {
         Ok(User {
@@ -15,7 +15,7 @@ pub fn get_user_by_id(id: u32, conn: &Connection) -> Result<User> {
         })
     })?;
     let user = user_iter.next().unwrap();
-    log::info!("User {:} founded", id);
+    log::info!("User {:} founded", id.0.to_string());
     user
 }