Upgrade UserID to a structure

src/data/http_request_handler.rs

@@ -367,7 +367,7 @@ impl HttpRequestHandler {
 
     /// 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 {
+        match self.curr_user_id.clone() {
             Some(s) => Ok(s),
             None => Err(ExecError::boxed_new("Could not get required user ID!"))
         }
@@ -375,7 +375,7 @@ impl HttpRequestHandler {
 
     /// Get a user ID, if available
     pub fn user_id_opt(&self) -> Option<UserID> {
-        self.curr_user_id
+        self.curr_user_id.clone()
     }
 
     /// Get an email included in the request
@@ -390,7 +390,7 @@ impl HttpRequestHandler {
     }
 
     /// Get a list of integers included in the request
-    pub fn post_numbers_list(&mut self, name: &str, min_len: usize) -> ResultBoxError<Vec<i64>> {
+    pub fn post_numbers_list(&mut self, name: &str, min_len: usize) -> ResultBoxError<Vec<u64>> {
         let param = self.post_string_opt(name, min_len, min_len != 0)?;
         let mut list = vec![];
 
@@ -399,7 +399,7 @@ impl HttpRequestHandler {
                 continue;
             }
 
-            list.push(split.parse::<i64>()?);
+            list.push(split.parse::<u64>()?);
         }
 
         if list.len() < min_len {
@@ -411,14 +411,14 @@ impl HttpRequestHandler {
 
     /// Get the ID of a user included in a POST request
     pub fn post_user_id(&mut self, name: &str) -> ResultBoxError<UserID> {
-        let user_id = self.post_i64(name)?;
+        let user_id = UserID::new(self.post_u64(name)?);
 
-        if user_id < 1 {
+        if user_id.id() < 1 {
             self.bad_request(format!("Invalid user specified in '{}'!", name))?;
         }
 
-        if !user_helper::exists(user_id)? {
-            self.not_found(format!("User with ID {} not found!", user_id))?;
+        if !user_helper::exists(&user_id)? {
+            self.not_found(format!("User with ID {} not found!", user_id.id()))?;
         }
 
         Ok(user_id)
@@ -444,7 +444,7 @@ impl HttpRequestHandler {
     pub fn post_conv_id(&mut self, name: &str) -> ResultBoxError<u64> {
         let conv_id = self.post_u64(name)?;
 
-        if !conversations_helper::does_user_belongs_to(self.user_id()?, conv_id)? {
+        if !conversations_helper::does_user_belongs_to(&self.user_id()?, conv_id)? {
             self.forbidden(format!("You do not belong to conversation {} !", conv_id))?;
         }
 

src/data/user.rs

@@ -3,14 +3,31 @@ use crate::utils::user_data_utils::user_data_url;
 ///! User information
 ///!
 ///! @author Pierre Hubert
+#[derive(Clone, PartialEq, Eq, Debug)]
+pub struct UserID(u64);
 
-pub type UserID = i64;
+impl UserID {
+    /// Initialize a new user ID object
+    pub fn new(id: u64) -> UserID {
+        UserID(id)
+    }
+
+    /// Get the current ID stored in this structure
+    pub fn id(&self) -> u64 {
+        self.0
+    }
+
+    /// Check if the ID currently stored in this structure is valid or not
+    pub fn is_valid(&self) -> bool {
+        self.0 > 0
+    }
+}
 
 #[derive(Debug, PartialEq)]
 pub enum UserPageStatus {
     OPEN,
     PUBLIC,
-    PRIVATE
+    PRIVATE,
 }
 
 #[derive(Debug, PartialEq)]
@@ -18,7 +35,7 @@ pub enum UserPageStatus {
 pub enum AccountImageVisibility {
     FRIENDS,
     COMUNIC_USERS,
-    EVERYONE
+    EVERYONE,
 }
 
 #[derive(Debug)]
@@ -41,7 +58,6 @@ pub struct User {
 }
 
 impl User {
-
     /// Get the URL pointing to the default account image
     pub fn default_account_image_url() -> String {
         user_data_url(crate::constants::DEFAULT_ACCOUNT_IMAGE)