commit 255706974fdde455c22158170cda96a0e163e04c
Author: Popov Aleksandr <aleksandr.v.popov03@mail.ru>
Date:   Thu Oct 9 18:02:17 2025 +0300

    Initial commit: CPU management API

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8c5c098
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+target/
+Cargo.lock
+*.db
+*.db-shm
+*.db-wal
+.env
+.DS_Store
+.idea/
+.vscode/
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..ec72e64
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "cpu-server"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+axum = "0.7"
+tokio = { version = "1.0", features = ["full"] }
+sqlx = { version = "0.7", features = ["runtime-tokio-rustls", "sqlite", "macros"] }
+config = "0.14"
+serde = { version = "1.0", features = ["derive"] }
+utoipa = "5.3"
+env_logger = "0.10"
+log = "0.4"
diff --git a/settings.toml b/settings.toml
new file mode 100644
index 0000000..5c21f3d
--- /dev/null
+++ b/settings.toml
@@ -0,0 +1,3 @@
+host = "127.0.0.1"
+port = 3000
+database_url = "sqlite:/home/popov_av/cpu-server/cpu.db"
diff --git a/src/dtos.rs b/src/dtos.rs
new file mode 100644
index 0000000..3dfdd92
--- /dev/null
+++ b/src/dtos.rs
@@ -0,0 +1,11 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize, sqlx::FromRow)]
+pub struct CpuDto {
+    pub id: i64,
+    pub brand: String,
+    pub model: String,
+    pub frequency_mhz: i32,
+    pub cores: i32,
+    pub threads: i32,
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..165c2e5
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,23 @@
+use axum::Router;
+use sqlx::SqlitePool;
+use std::sync::Arc;
+
+mod dtos;
+mod models;
+mod queries;
+mod routes;
+mod schemas;
+mod services;
+mod settings;
+mod openapi;
+
+pub use settings::Settings;
+
+#[derive(Clone)]
+pub struct AppState {
+    pub pool: SqlitePool,
+}
+
+pub fn router(state: AppState) -> Router {
+    routes::create_router(Arc::new(state))
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..395c516
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,49 @@
+use cpu_server::{router, Settings};
+use std::net::SocketAddr;
+
+#[tokio::main]
+async fn main() {
+    // Инициализация логгера
+    env_logger::init();
+
+    // Загрузка настроек
+    let settings = Settings::new().expect("Failed to load settings");
+    
+    // Создание пула подключений к базе данных
+    let pool = sqlx::sqlite::SqlitePoolOptions::new()
+        .connect(&settings.database_url)
+        .await
+        .expect("Failed to connect to database");
+
+    // Создание таблицы если не существует
+    sqlx::query(
+        r#"
+        CREATE TABLE IF NOT EXISTS cpus (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            brand TEXT NOT NULL,
+            model TEXT NOT NULL,
+            frequency_mhz INTEGER NOT NULL,
+            cores INTEGER NOT NULL,
+            threads INTEGER NOT NULL
+        )
+        "#,
+    )
+    .execute(&pool)
+    .await
+    .expect("Failed to create table");
+
+    let app_state = cpu_server::AppState { pool };
+
+    let app = router(app_state);
+
+    let addr = SocketAddr::from(([127, 0, 0, 1], settings.port));
+    println!("Server running on http://{}", addr);
+
+    let listener = tokio::net::TcpListener::bind(addr)
+        .await
+        .unwrap();
+    
+    axum::serve(listener, app)
+        .await
+        .unwrap();
+}
diff --git a/src/models.rs b/src/models.rs
new file mode 100644
index 0000000..b9ff3c2
--- /dev/null
+++ b/src/models.rs
@@ -0,0 +1,11 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Cpu {
+    pub id: i64,
+    pub brand: String,
+    pub model: String,
+    pub frequency_mhz: i32,
+    pub cores: i32,
+    pub threads: i32,
+}
diff --git a/src/openapi.rs b/src/openapi.rs
new file mode 100644
index 0000000..115b5b9
--- /dev/null
+++ b/src/openapi.rs
@@ -0,0 +1,20 @@
+use utoipa::OpenApi;
+use crate::schemas::{CreateCpuRequest, CpuResponse, UpdateCpuRequest};
+
+#[derive(OpenApi)]
+#[openapi(
+    paths(
+        crate::routes::get_all_cpus,
+        crate::routes::create_cpu,
+        crate::routes::update_cpu,
+        crate::routes::delete_cpu,
+        crate::routes::openapi_json
+    ),
+    components(
+        schemas(CreateCpuRequest, UpdateCpuRequest, CpuResponse)
+    ),
+    tags(
+        (name = "CPU API", description = "CPU management API")
+    )
+)]
+pub struct ApiDoc;
diff --git a/src/queries.rs b/src/queries.rs
new file mode 100644
index 0000000..7deaaca
--- /dev/null
+++ b/src/queries.rs
@@ -0,0 +1,87 @@
+use sqlx::SqlitePool;
+use crate::dtos::CpuDto;
+
+pub async fn get_all_cpus(pool: &SqlitePool) -> Result<Vec<CpuDto>, sqlx::Error> {
+    sqlx::query_as::<_, CpuDto>("SELECT * FROM cpus")
+        .fetch_all(pool)
+        .await
+}
+
+pub async fn get_cpu_by_id(pool: &SqlitePool, id: i64) -> Result<Option<CpuDto>, sqlx::Error> {
+    sqlx::query_as::<_, CpuDto>("SELECT * FROM cpus WHERE id = ?")
+        .bind(id)
+        .fetch_optional(pool)
+        .await
+}
+
+pub async fn create_cpu(
+    pool: &SqlitePool,
+    brand: &str,
+    model: &str,
+    frequency_mhz: i32,
+    cores: i32,
+    threads: i32,
+) -> Result<CpuDto, sqlx::Error> {
+    let id = sqlx::query(
+        "INSERT INTO cpus (brand, model, frequency_mhz, cores, threads) VALUES (?, ?, ?, ?, ?)"
+    )
+    .bind(brand)
+    .bind(model)
+    .bind(frequency_mhz)
+    .bind(cores)
+    .bind(threads)
+    .execute(pool)
+    .await?
+    .last_insert_rowid();
+
+    get_cpu_by_id(pool, id).await.map(|cpu| cpu.unwrap())
+}
+
+pub async fn update_cpu(
+    pool: &SqlitePool,
+    id: i64,
+    brand: Option<&str>,
+    model: Option<&str>,
+    frequency_mhz: Option<i32>,
+    cores: Option<i32>,
+    threads: Option<i32>,
+) -> Result<Option<CpuDto>, sqlx::Error> {
+    // Получаем текущие данные процессора
+    let current_cpu = get_cpu_by_id(pool, id).await?;
+    if current_cpu.is_none() {
+        return Ok(None);
+    }
+    let current_cpu = current_cpu.unwrap();
+
+    // Используем переданные значения или текущие
+    let brand = brand.unwrap_or(&current_cpu.brand);
+    let model = model.unwrap_or(&current_cpu.model);
+    let frequency_mhz = frequency_mhz.unwrap_or(current_cpu.frequency_mhz);
+    let cores = cores.unwrap_or(current_cpu.cores);
+    let threads = threads.unwrap_or(current_cpu.threads);
+
+    // Выполняем обновление
+    sqlx::query(
+        "UPDATE cpus SET brand = ?, model = ?, frequency_mhz = ?, cores = ?, threads = ? WHERE id = ?"
+    )
+    .bind(brand)
+    .bind(model)
+    .bind(frequency_mhz)
+    .bind(cores)
+    .bind(threads)
+    .bind(id)
+    .execute(pool)
+    .await?;
+
+    // Возвращаем обновленные данные
+    get_cpu_by_id(pool, id).await
+}
+
+pub async fn delete_cpu(pool: &SqlitePool, id: i64) -> Result<bool, sqlx::Error> {
+    let result = sqlx::query("DELETE FROM cpus WHERE id = ?")
+        .bind(id)
+        .execute(pool)
+        .await?;
+
+    Ok(result.rows_affected() > 0)
+}
diff --git a/src/routes.rs b/src/routes.rs
new file mode 100644
index 0000000..104b743
--- /dev/null
+++ b/src/routes.rs
@@ -0,0 +1,172 @@
+use axum::{
+    extract::{Path, State},
+    http::StatusCode,
+    response::Json,
+    routing::{get, post},
+    Router,
+};
+use std::sync::Arc;
+use utoipa::OpenApi;
+
+use crate::{
+    schemas::{CreateCpuRequest, CpuResponse, UpdateCpuRequest},
+    services::CpuService,
+    AppState, openapi::ApiDoc,
+};
+
+pub type AppStateType = Arc<AppState>;
+
+#[utoipa::path(
+    get,
+    path = "/api/cpu",
+    responses(
+        (status = 200, description = "List all CPUs", body = [CpuResponse])
+    )
+)]
+pub async fn get_all_cpus(
+    State(state): State<AppStateType>,
+) -> Result<Json<Vec<CpuResponse>>, StatusCode> {
+    let cpus = CpuService::get_all_cpus(&state.pool)
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    let responses: Vec<CpuResponse> = cpus
+        .into_iter()
+        .map(|cpu| CpuResponse {
+            id: cpu.id,
+            brand: cpu.brand,
+            model: cpu.model,
+            frequency_mhz: cpu.frequency_mhz,
+            cores: cpu.cores,
+            threads: cpu.threads,
+        })
+        .collect();
+
+    Ok(Json(responses))
+}
+
+#[utoipa::path(
+    post,
+    path = "/api/cpu",
+    request_body = CreateCpuRequest,
+    responses(
+        (status = 201, description = "CPU created successfully", body = CpuResponse),
+        (status = 400, description = "Invalid input")
+    )
+)]
+pub async fn create_cpu(
+    State(state): State<AppStateType>,
+    Json(payload): Json<CreateCpuRequest>,
+) -> Result<Json<CpuResponse>, StatusCode> {
+    let cpu = CpuService::create_cpu(
+        &state.pool,
+        payload.brand,
+        payload.model,
+        payload.frequency_mhz,
+        payload.cores,
+        payload.threads,
+    )
+    .await
+    .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    let response = CpuResponse {
+        id: cpu.id,
+        brand: cpu.brand,
+        model: cpu.model,
+        frequency_mhz: cpu.frequency_mhz,
+        cores: cpu.cores,
+        threads: cpu.threads,
+    };
+
+    Ok(Json(response))
+}
+
+#[utoipa::path(
+    post,
+    path = "/api/cpu/{id}",
+    params(
+        ("id" = i64, Path, description = "CPU ID")
+    ),
+    request_body = UpdateCpuRequest,
+    responses(
+        (status = 200, description = "CPU updated successfully", body = CpuResponse),
+        (status = 404, description = "CPU not found")
+    )
+)]
+pub async fn update_cpu(
+    State(state): State<AppStateType>,
+    Path(id): Path<i64>,
+    Json(payload): Json<UpdateCpuRequest>,
+) -> Result<Json<CpuResponse>, StatusCode> {
+    let cpu = CpuService::update_cpu(
+        &state.pool,
+        id,
+        payload.brand,
+        payload.model,
+        payload.frequency_mhz,
+        payload.cores,
+        payload.threads,
+    )
+    .await
+    .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    match cpu {
+        Some(cpu) => {
+            let response = CpuResponse {
+                id: cpu.id,
+                brand: cpu.brand,
+                model: cpu.model,
+                frequency_mhz: cpu.frequency_mhz,
+                cores: cpu.cores,
+                threads: cpu.threads,
+            };
+            Ok(Json(response))
+        }
+        None => Err(StatusCode::NOT_FOUND),
+    }
+}
+
+#[utoipa::path(
+    delete,
+    path = "/api/cpu/{id}",
+    params(
+        ("id" = i64, Path, description = "CPU ID")
+    ),
+    responses(
+        (status = 200, description = "CPU deleted successfully"),
+        (status = 404, description = "CPU not found")
+    )
+)]
+pub async fn delete_cpu(
+    State(state): State<AppStateType>,
+    Path(id): Path<i64>,
+) -> Result<StatusCode, StatusCode> {
+    let deleted = CpuService::delete_cpu(&state.pool, id)
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    if deleted {
+        Ok(StatusCode::OK)
+    } else {
+        Err(StatusCode::NOT_FOUND)
+    }
+}
+
+#[utoipa::path(
+    get,
+    path = "/api/openapi.json",
+    responses(
+        (status = 200, description = "OpenAPI specification")
+    )
+)]
+pub async fn openapi_json() -> Json<utoipa::openapi::OpenApi> {
+    Json(ApiDoc::openapi())
+}
+
+pub fn create_router(state: AppStateType) -> Router {
+    Router::new()
+        .route("/api/cpu", get(get_all_cpus).post(create_cpu))
+        .route("/api/cpu/:id", post(update_cpu).delete(delete_cpu))
+        .route("/api/openapi.json", get(openapi_json))
+        .with_state(state)
+}
diff --git a/src/schemas.rs b/src/schemas.rs
new file mode 100644
index 0000000..d27faa1
--- /dev/null
+++ b/src/schemas.rs
@@ -0,0 +1,30 @@
+use serde::{Deserialize, Serialize};
+use utoipa::ToSchema;
+
+#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
+pub struct CreateCpuRequest {
+    pub brand: String,
+    pub model: String,
+    pub frequency_mhz: i32,
+    pub cores: i32,
+    pub threads: i32,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
+pub struct UpdateCpuRequest {
+    pub brand: Option<String>,
+    pub model: Option<String>,
+    pub frequency_mhz: Option<i32>,
+    pub cores: Option<i32>,
+    pub threads: Option<i32>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
+pub struct CpuResponse {
+    pub id: i64,
+    pub brand: String,
+    pub model: String,
+    pub frequency_mhz: i32,
+    pub cores: i32,
+    pub threads: i32,
+}
diff --git a/src/services.rs b/src/services.rs
new file mode 100644
index 0000000..02aa07b
--- /dev/null
+++ b/src/services.rs
@@ -0,0 +1,61 @@
+use crate::{dtos::CpuDto, models::Cpu, queries};
+use sqlx::SqlitePool;
+
+pub struct CpuService;
+
+impl CpuService {
+    pub async fn get_all_cpus(pool: &SqlitePool) -> Result<Vec<Cpu>, sqlx::Error> {
+        let dtos = queries::get_all_cpus(pool).await?;
+        Ok(dtos.into_iter().map(|dto| dto.into()).collect())
+    }
+    pub async fn create_cpu(
+        pool: &SqlitePool,
+        brand: String,
+        model: String,
+        frequency_mhz: i32,
+        cores: i32,
+        threads: i32,
+    ) -> Result<Cpu, sqlx::Error> {
+        let dto = queries::create_cpu(pool, &brand, &model, frequency_mhz, cores, threads).await?;
+        Ok(dto.into())
+    }
+
+    pub async fn update_cpu(
+        pool: &SqlitePool,
+        id: i64,
+        brand: Option<String>,
+        model: Option<String>,
+        frequency_mhz: Option<i32>,
+        cores: Option<i32>,
+        threads: Option<i32>,
+    ) -> Result<Option<Cpu>, sqlx::Error> {
+        let dto = queries::update_cpu(
+            pool,
+            id,
+            brand.as_deref(),
+            model.as_deref(),
+            frequency_mhz,
+            cores,
+            threads,
+        )
+        .await?;
+        Ok(dto.map(|dto| dto.into()))
+    }
+
+    pub async fn delete_cpu(pool: &SqlitePool, id: i64) -> Result<bool, sqlx::Error> {
+        queries::delete_cpu(pool, id).await
+    }
+}
+
+impl From<CpuDto> for Cpu {
+    fn from(dto: CpuDto) -> Self {
+        Cpu {
+            id: dto.id,
+            brand: dto.brand,
+            model: dto.model,
+            frequency_mhz: dto.frequency_mhz,
+            cores: dto.cores,
+            threads: dto.threads,
+        }
+    }
+}
diff --git a/src/settings.rs b/src/settings.rs
new file mode 100644
index 0000000..edaf8e7
--- /dev/null
+++ b/src/settings.rs
@@ -0,0 +1,19 @@
+use config::Config;
+use serde::Deserialize;
+
+#[derive(Debug, Deserialize, Clone)]
+pub struct Settings {
+    pub host: String,
+    pub port: u16,
+    pub database_url: String,
+}
+
+impl Settings {
+    pub fn new() -> Result<Self, config::ConfigError> {
+        let settings = Config::builder()
+            .add_source(config::File::with_name("settings"))
+            .build()?;
+
+        settings.try_deserialize()
+    }
+}