Start to return user information

src/api_data/mod.rs

@@ -10,3 +10,4 @@
 pub mod http_error;
 pub mod login_success;
 pub mod current_user_id;
+pub mod user_info;

src/api_data/user_info.rs

@@ -0,0 +1,24 @@
+//! API representation of user information
+//!
+//! @author Pierre Hubert
+use serde::Serialize;
+
+use crate::data::user::User;
+
+#[derive(Serialize)]
+#[allow(non_snake_case)]
+pub struct APIUserInfo {
+    userID: i64,
+    firstName: String,
+    lastName: String,
+}
+
+impl APIUserInfo {
+    pub fn new(info: User) -> APIUserInfo {
+        APIUserInfo {
+            userID: info.id,
+            firstName: info.first_name,
+            lastName: info.last_name,
+        }
+    }
+}

src/controllers/mod.rs

@@ -3,3 +3,4 @@ pub mod server;
 
 pub mod server_controller;
 pub mod account_controller;
+pub mod user_controller;

src/controllers/routes.rs

@@ -1,7 +1,7 @@
 use std::error::Error;
 
 use crate::controllers::routes::Method::{GET, POST};
-use crate::controllers::{server_controller, account_controller};
+use crate::controllers::{server_controller, account_controller, user_controller};
 use crate::data::http_request_handler::HttpRequestHandler;
 
 /// Project routes
@@ -77,5 +77,9 @@ pub fn get_routes() -> Vec<Route> {
 
         Route::post("/account/id", Box::new(account_controller::user_id)),
         Route::post("/user/getCurrentUserID", Box::new(account_controller::user_id)),
+
+        // User controller
+        Route::post_without_login("/user/getInfo", Box::new(user_controller::get_single)),
+        Route::post_without_login("/user/getInfos", Box::new(user_controller::get_single)),
     ]
 }

src/controllers/user_controller.rs

@@ -0,0 +1,25 @@
+//! # User controller
+//!
+//! This controller handles all the routes related about getting user information
+//!
+//! @author Pierre Hubert
+
+use crate::controllers::routes::RequestResult;
+use crate::data::http_request_handler::HttpRequestHandler;
+use crate::helpers::user_helper;
+use crate::api_data::user_info::APIUserInfo;
+
+/// Get information about a single user
+pub fn get_single(request: &mut HttpRequestHandler) -> RequestResult {
+    let user_id = request.post_i64("userID")?;
+    let user = match user_helper::find_user_by_id(user_id) {
+        Ok(user) => user,
+        Err(e) => {
+            println!("Error while getting user info: {}", e);
+            request.not_found("Could not get user information!".to_string())?;
+            unreachable!();
+        }
+    };
+
+    request.set_response(APIUserInfo::new(user))
+}

src/data/http_request_handler.rs

@@ -118,6 +118,13 @@ impl HttpRequestHandler {
         Err(Box::new(ExecError::new(&message)))
     }
 
+    /// Not found (404)
+    pub fn not_found(&mut self, message: String) -> RequestResult {
+        self.response = Some(HttpResponse::NotFound().json(
+            HttpError::not_found(&message)));
+        Err(Box::new(ExecError::new(&message)))
+    }
+
     /// If result is not OK, return a bad request
     pub fn ok_or_bad_request<E>(&mut self, res: ResultBoxError<E>, msg: &str) -> ResultBoxError<E> {
         match res {
@@ -236,6 +243,11 @@ impl HttpRequestHandler {
         }
     }
 
+    /// Get an integer included in the POST request
+    pub fn post_i64(&mut self, name: &str) -> ResultBoxError<i64> {
+        Ok(self.post_string(name)?.parse::<i64>()?)
+    }
+
     /// Get user ID. This function assess that a user ID is available to continue
     pub fn user_id(&self) -> ResultBoxError<UserID> {
         match self.curr_user_id {

src/helpers/user_helper.rs

@@ -1,5 +1,5 @@
 use crate::data::error::ResultBoxError;
-use crate::data::user::User;
+use crate::data::user::{User, UserID};
 use crate::helpers::database;
 use crate::database_structure::USERS_TABLE;
 
@@ -7,6 +7,12 @@ use crate::database_structure::USERS_TABLE;
 ///
 /// @author Pierre Hubert
 
+/// Get & return information about a user based on its ID
+pub fn find_user_by_id(id: UserID) -> ResultBoxError<User> {
+    exec_get_user_query(
+        database::QueryInfo::new(USERS_TABLE).cond_i64("ID", id))
+}
+
 /// Get & return information about a user based on his email
 pub fn find_user_by_email(email: &str) -> ResultBoxError<User> {
     exec_get_user_query(
@@ -14,14 +20,14 @@ pub fn find_user_by_email(email: &str) -> ResultBoxError<User> {
 }
 
 /// Execute query & return result
-fn exec_get_user_query(query : database::QueryInfo) -> ResultBoxError<User> {
-    database::query_row(query, |res|{
+fn exec_get_user_query(query: database::QueryInfo) -> ResultBoxError<User> {
+    database::query_row(query, |res| {
         Ok(User {
             id: res.get_int64("ID")?,
             email: res.get_str("mail")?,
             password: res.get_str("password")?,
             first_name: res.get_str("prenom")?,
-            last_name: res.get_str("nom")?
+            last_name: res.get_str("nom")?,
         })
     })
 }