Updated GetUsers to provide better inforamtion about invalid accounts to a user

Cargo.lock

@@ -57,9 +57,9 @@ checksum = "250f629c0161ad8107cf89319e990051fae62832fd343083bea452d93e2205fd"
 
 [[package]]
 name = "allocator-api2"
-version = "0.2.14"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4f263788a35611fba42eb41ff811c5d0360c58b97402570312a350736e2542e"
+checksum = "56fc6cf8dc8c4158eed8649f9b8b0ea1518eb62b544fe9490d66fa0b349eafe9"
 
 [[package]]
 name = "android-tzdata"
@@ -97,9 +97,9 @@ dependencies = [
 
 [[package]]
 name = "arrayvec"
-version = "0.7.3"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8868f09ff8cea88b079da74ae569d9b8c62a23c68c746240b704ee6f7525c89c"
+checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
 
 [[package]]
 name = "async-stream"
@@ -383,9 +383,9 @@ checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.7"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e4c1eaa2012c47becbbad2ab175484c2a84d1185b566fb2cc5b8707343dfe58"
+checksum = "03e69e28e9f7f77debdedbaafa2866e1de9ba56df55a8bd7cfc724c25a09987c"
 dependencies = [
  "libc",
 ]
@@ -930,7 +930,7 @@ checksum = "0646026eb1b3eea4cd9ba47912ea5ce9cc07713d105b1a14698f4e6433d348b7"
 dependencies = [
  "http",
  "hyper",
- "rustls 0.21.1",
+ "rustls 0.21.2",
  "tokio",
  "tokio-rustls 0.24.1",
 ]
@@ -1351,6 +1351,7 @@ dependencies = [
  "teloxide",
  "thiserror",
  "tokio",
+ "trim-in-place",
 ]
 
 [[package]]
@@ -1675,7 +1676,7 @@ dependencies = [
  "once_cell",
  "percent-encoding",
  "pin-project-lite",
- "rustls 0.21.1",
+ "rustls 0.21.2",
  "rustls-pemfile",
  "serde",
  "serde_json",
@@ -1758,9 +1759,9 @@ dependencies = [
 
 [[package]]
 name = "rust_decimal"
-version = "1.29.1"
+version = "1.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26bd36b60561ee1fb5ec2817f198b6fd09fa571c897a5e86d1487cfc2b096dfc"
+checksum = "d0446843641c69436765a35a5a77088e28c2e6a12da93e84aa3ab1cd4aa5a042"
 dependencies = [
  "arrayvec",
  "borsh",
@@ -1811,9 +1812,9 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.21.1"
+version = "0.21.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c911ba11bc8433e811ce56fde130ccf32f5127cab0e0194e9c68c5a5b671791e"
+checksum = "e32ca28af694bc1bbf399c33a516dbdf1c90090b8ab23c2bc24f834aa2247f5f"
 dependencies = [
  "log",
  "ring",
@@ -2067,9 +2068,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.97"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "bdf3bf93142acad5821c99197022e170842cdbc1c30482b98750c688c640842a"
 dependencies = [
  "itoa",
  "ryu",
@@ -2113,9 +2114,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.6"
+version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
+checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -2552,7 +2553,7 @@ version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
 dependencies = [
- "rustls 0.21.1",
+ "rustls 0.21.2",
  "tokio",
 ]
 
@@ -2611,9 +2612,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.24"
+version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f57e3ca2a01450b1a921183a9c9cbfda207fd822cef4ccb00a65402cbba7a74"
+checksum = "5f4f31f56159e98206da9efd823404b79b6ef3143b4a7ab76e67b1751b25a4ab"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2644,6 +2645,12 @@ dependencies = [
  "tracing-core",
 ]
 
+[[package]]
+name = "trim-in-place"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "343e926fc669bc8cde4fa3129ab681c63671bae288b1f1081ceee6d9d37904fc"
+
 [[package]]
 name = "try-lock"
 version = "0.2.4"
@@ -2750,11 +2757,10 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "want"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
+checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e"
 dependencies = [
- "log",
  "try-lock",
 ]
 

Cargo.toml

@@ -29,3 +29,4 @@ serde_json = "1.0.96"
 teloxide = { version = "0.12.2", features = ["macros", "ctrlc_handler", "rustls", "throttle"], default-features = false }
 thiserror = "1.0.40"
 tokio = { version = "1.28.1", features = ["macros", "rt-multi-thread"] }
+trim-in-place = "0.1.7"

src/models.rs

@@ -45,9 +45,13 @@ impl DecryptedAccount {
     /// Returns true if the account's fields are valid
     #[inline]
     pub fn validate(&self) -> bool {
-        [&self.name, &self.login, &self.password]
+        [
-            .into_iter()
+            self.name.as_str(),
-            .all(|field| validate_field(field))
+            self.login.as_str(),
+            self.password.as_str(),
+        ]
+        .into_iter()
+        .all(validate_field)
     }
 }
 

src/state/get_user.rs

@@ -1,11 +1,91 @@
 use crate::{
-    errors::HandlerUsed, markups::deletion_markup, models::User, utils::delete_optional,
+    errors::HandlerUsed,
+    markups::deletion_markup,
+    models::{DecryptedAccount, User},
+    utils::delete_optional,
     MainDialogue,
 };
 use futures::TryStreamExt;
+use itertools::Itertools;
 use sea_orm::prelude::*;
-use teloxide::{adaptors::Throttle, net::Download, prelude::*};
+use std::fmt::Write;
+use teloxide::{adaptors::Throttle, net::Download, prelude::*, types::Document};
 use tokio::task::spawn_blocking;
+use trim_in_place::TrimInPlace;
+
+#[inline]
+async fn download_file(bot: &Throttle<Bot>, document: &Document) -> crate::Result<Vec<u8>> {
+    let path = bot.get_file(document.file.id.as_str()).await?.path;
+    let mut data = Vec::with_capacity(document.file.size as usize);
+    bot.download_file_stream(&path)
+        .try_for_each(|bytes| {
+            data.extend(bytes);
+            async { Ok(()) }
+        })
+        .await?;
+    Ok(data)
+}
+
+#[inline]
+fn process_accounts(accounts: &mut [DecryptedAccount]) -> crate::Result<Result<(), String>> {
+    for account in accounts.iter_mut() {
+        account.name.trim_in_place();
+        account.login.trim_in_place();
+        account.password.trim_in_place();
+    }
+
+    accounts.sort_unstable_by(|a, b| a.name.cmp(&b.name));
+
+    let mut duplicates = Vec::new();
+    let mut invalid = Vec::new();
+
+    accounts
+        .iter()
+        .dedup_by_with_count(|a, b| a.name == b.name)
+        .for_each(|(count, account)| {
+            if count != 1 {
+                duplicates.push(account.name.as_str());
+            } else if !account.validate() {
+                invalid.push(account.name.as_str());
+            }
+        });
+
+    if duplicates.is_empty() && invalid.is_empty() {
+        return Ok(Ok(()));
+    }
+
+    let mut error_text = "Your accounts have the following problems:".to_owned();
+
+    if !duplicates.is_empty() {
+        write!(
+            error_text,
+            "\n\nDuplicate names:\n{:?}",
+            duplicates.into_iter().format("\n")
+        )?
+    }
+
+    if !invalid.is_empty() {
+        write!(
+            error_text,
+            "\n\nInvalid account fields:\n{:?}",
+            invalid.into_iter().format("\n")
+        )?
+    }
+
+    error_text.push_str("\n\nFix these problems and send the file again");
+
+    Ok(Err(error_text))
+}
+
+#[inline]
+fn user_from_vec(vector: Vec<u8>) -> crate::Result<Result<User, String>> {
+    let mut user: User = serde_json::from_slice(&vector)?;
+    drop(vector);
+    match process_accounts(&mut user.accounts)? {
+        Ok(()) => Ok(Ok(user)),
+        Err(error_text) => Ok(Err(error_text)),
+    }
+}
 
 /// Function to handle GetUser state. It doesn't actually validate anything
 pub async fn get_user(
@@ -56,17 +136,15 @@ pub async fn get_user(
         }
     }
 
-    let file = bot.get_file(&document.file.id).await?;
+    let data = download_file(&bot, document).await?;
-    let mut data = Vec::with_capacity(document.file.size as usize);
-    bot.download_file_stream(&file.path)
-        .try_for_each(|bytes| {
-            data.extend(bytes);
-            async { Ok(()) }
-        })
-        .await?;
 
-    let user: User = match spawn_blocking(move || serde_json::from_slice(&data)).await? {
+    let user = match spawn_blocking(move || user_from_vec(data)).await? {
-        Ok(user) => user,
+        Ok(Ok(user)) => user,
+        Ok(Err(error_text)) => {
+            let msg = bot.send_message(msg.chat.id, error_text).await?;
+            handler.previous = Some(msg);
+            return Ok(());
+        }
         Err(_) => {
             let msg = bot
                 .send_message(msg.chat.id, "Error parsing the json file. Try again")

src/utils.rs

@@ -17,7 +17,10 @@ pub async fn delete_optional(bot: &Throttle<Bot>, msg: Option<&Message>) {
 /// Returns true if the field is valid
 #[inline]
 pub fn validate_field(field: &str) -> bool {
+    if field.is_empty() {
+        return false;
+    }
     field
         .chars()
-        .all(|char| char != '`' && char != '\\' && char != '\n')
+        .all(|char| !['`', '\\', '\n', '\t'].contains(&char))
 }