refactor(app): implement ports & adapters

* also move alertFormatter into internal actor

lib/actors/system_monitor/src/alert_formatter.rs

@@ -1,54 +0,0 @@
-use crate::{Severity, SystemMonitor, ThresholdViolation};
-
-pub struct AlertFormatter;
-
-impl AlertFormatter {
-    pub fn format_violation(&self, violation: &ThresholdViolation) -> String {
-        let emoji = match violation.severity {
-            Severity::Warning => "⚠️",
-            Severity::Critical => "🚨",
-        };
-
-        let level = match violation.severity {
-            Severity::Warning => "ALERTE",
-            Severity::Critical => "CRITIQUE",
-        };
-
-        format!(
-            "{} **{}** - {}\n\n**Valeur actuelle:** {:.2}%\n**Seuil:** {:.2}%",
-            emoji,
-            level,
-            self.get_message_for_metric(&violation.metric_name, &violation.severity),
-            violation.current_value,
-            violation.threshold
-        )
-    }
-
-    fn get_message_for_metric(&self, metric: &str, severity: &Severity) -> String {
-        match (metric, severity) {
-            ("CPU", Severity::Warning) => "Utilisation CPU élevée détectée".to_string(),
-            ("CPU", Severity::Critical) => "CPU en surchauffe - Intervention requise !".to_string(),
-            ("Memory", Severity::Warning) => "Utilisation mémoire élevée".to_string(),
-            ("Memory", Severity::Critical) => "Mémoire saturée - Risque de crash !".to_string(),
-            ("Swap", Severity::Warning) => "Utilisation swap élevée".to_string(),
-            ("Swap", Severity::Critical) => "Swap saturé - Performance dégradée !".to_string(),
-            ("Disk", Severity::Warning) => "Espace disque faible".to_string(),
-            ("Disk", Severity::Critical) => "Disque presque plein - Nettoyage urgent !".to_string(),
-            (metric, _) => format!("Problème détecté sur {metric}"),
-        }
-    }
-
-    pub fn format_summary(&self, monitor: &SystemMonitor) -> String {
-        let metrics = monitor.get_metrics();
-
-        let mut result = "📊 **Rapport Système**\n\n```\n".to_string();
-
-        for (key, value) in &metrics {
-            result.push_str(&format!("{}: {:.1}%\n", key, value));
-        }
-
-        result.push_str("```\n\n*Surveillance automatique*");
-
-        result
-    }
-}

lib/actors/system_monitor/src/lib.rs

@@ -1,10 +1,9 @@
 use crate::resource_threshold::ResourceThreshold;
-use std::collections::HashMap;
+use std::{collections::HashMap, fmt};
 use sysinfo::{Disks, System};
 
 mod get_info;
 pub mod resource_threshold;
-pub mod alert_formatter;
 
 #[derive(Debug, Clone)]
 pub struct ThresholdViolation {
@@ -20,6 +19,15 @@ pub enum Severity {
     Critical,
 }
 
+impl fmt::Display for Severity {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Severity::Warning => write!(f, "Warning"),
+            Severity::Critical => write!(f, "Critical"),
+        }
+    }
+}
+
 pub struct SystemMonitor {
     pub system: System,
     pub disks: Disks,

src/actors/driven/for_formatting_message/alert_formatter.rs

@@ -0,0 +1,56 @@
+use std::collections::HashMap;
+
+use crate::app::ports::driven::{ForFormattingMessage, ForGettingViolationData};
+
+pub struct AlertFormatter;
+
+impl AlertFormatter {
+    fn get_message_for_metric(&self, metric: &str, level: &str) -> String {
+        match (metric, level) {
+            ("CPU", "AVERTISSEMENT") => "Utilisation CPU élevée détectée".to_string(),
+            ("CPU", "CRITIQUE") => "CPU trop sollicité - Intervention requise !".to_string(),
+            ("Memory", "AVERTISSEMENT") => "Utilisation mémoire élevée".to_string(),
+            ("Memory", "CRITIQUE") => "Mémoire saturée - Risque de crash !".to_string(),
+            ("Swap", "AVERTISSEMENT") => "Utilisation du swap élevé".to_string(),
+            ("Swap", "CRITIQUE") => "Swap saturé - Performance dégradée !".to_string(),
+            ("Disk", "AVERTISSEMENT") => "Espace disque faible".to_string(),
+            ("Disk", "CRITIQUE") => "Disque presque plein - Nettoyage urgent !".to_string(),
+            (metric, _) => format!("Problème de niveau '{}' détecté sur {}", level, metric),
+        }
+    }
+}
+
+impl ForFormattingMessage for AlertFormatter {
+    fn format_violation(&self, violation: Box<dyn ForGettingViolationData>) -> String {
+        let (emoji, level) = if violation.is_critical() {
+            ("🚨", "CRITIQUE")
+        } else {
+            ("⚠️", "AVERTISSEMENT")
+        };
+
+        format!(
+            "{} **{}** - {}\n\n**Valeur actuelle:** {:.2}%\n**Seuil:** {:.2}%",
+            emoji,
+            level,
+            self.get_message_for_metric(&violation.get_metric_name(), level),
+            violation.get_metric_value(),
+            violation.get_threshold()
+        )
+    }
+
+    fn format_summary(&self, metrics: &HashMap<String, f32>) -> String {
+        let mut result = "📊 **Rapport Système**\n\n```\n".to_string();
+
+        result.push_str(
+            &metrics
+                .iter()
+                .map(|(key, value)| format!("{}: {:.1}%", key, value))
+                .collect::<Vec<_>>()
+                .join("\n"),
+        );
+
+        result.push_str("\n```\n\n*Surveillance automatique*");
+
+        result
+    }
+}

src/adapters/driven/for_getting_violation_data.rs

@@ -0,0 +1 @@
+pub mod violation;

src/adapters/driven/for_getting_violation_data/violation.rs

@@ -0,0 +1,35 @@
+pub struct Violation {
+    name: String,
+    is_critical: bool,
+    metric_value: f32,
+    threshold: f32,
+}
+
+impl Violation {
+    pub fn new(name: String, is_critical: bool, metric_value: f32, threshold: f32) -> Self {
+        Violation {
+            name,
+            is_critical,
+            metric_value,
+            threshold,
+        }
+    }
+}
+
+impl crate::app::ports::driven::ForGettingViolationData for Violation {
+    fn get_metric_name(&self) -> String {
+        self.name.clone()
+    }
+
+    fn is_critical(&self) -> bool {
+        self.is_critical
+    }
+
+    fn get_metric_value(&self) -> f32 {
+        self.metric_value
+    }
+
+    fn get_threshold(&self) -> f32 {
+        self.threshold
+    }
+}

src/adapters/driven/for_monitoring_system.rs

@@ -0,0 +1 @@
+pub mod system_monitor;

src/adapters/driven/for_monitoring_system/system_monitor.rs

@@ -0,0 +1,40 @@
+use crate::{
+    adapters::driven::for_getting_violation_data::violation::Violation,
+    app::ports::driven::ForMonitoringSystem,
+};
+
+pub struct SystemMonitorAdapter {
+    system_monitor: system_monitor::SystemMonitor,
+}
+
+impl SystemMonitorAdapter {
+    pub fn new(system_monitor: system_monitor::SystemMonitor) -> Self {
+        SystemMonitorAdapter { system_monitor }
+    }
+
+    fn threshold_violation_to_for_getting_violation_data(
+        &self,
+        threshold_violation: &system_monitor::ThresholdViolation,
+    ) -> Box<dyn crate::app::ports::driven::ForGettingViolationData> {
+        Box::new(Violation::new(
+            threshold_violation.metric_name.clone(),
+            threshold_violation.severity == system_monitor::Severity::Critical,
+            threshold_violation.current_value,
+            threshold_violation.threshold,
+        ))
+    }
+}
+
+impl ForMonitoringSystem for SystemMonitorAdapter {
+    fn check_thresholds(&self) -> Vec<Box<dyn crate::app::ports::driven::ForGettingViolationData>> {
+        let thresholds = self.system_monitor.check_thresholds();
+        thresholds
+            .into_iter()
+            .map(|t| self.threshold_violation_to_for_getting_violation_data(&t))
+            .collect()
+    }
+
+    fn get_metrics(&self) -> std::collections::HashMap<String, f32> {
+        self.system_monitor.get_metrics()
+    }
+}

src/adapters/driven/for_sending_notification.rs

@@ -0,0 +1 @@
+pub mod discord_client;

src/adapters/driven/for_sending_notification/discord_client.rs

@@ -0,0 +1,17 @@
+use crate::app::ports::driven::ForSendingNotification;
+
+pub struct DiscordAdapter {
+    discord_client: discord_client::DiscordNotifier,
+}
+
+impl DiscordAdapter {
+    pub fn new(discord_client: discord_client::DiscordNotifier) -> Self {
+        DiscordAdapter { discord_client }
+    }
+}
+
+impl ForSendingNotification for DiscordAdapter {
+    fn send_notification(&self, message: &str) -> Result<(), Box<dyn std::error::Error>> {
+        self.discord_client.send_notification(message)
+    }
+}

src/app/ports.rs

@@ -0,0 +1 @@
+pub mod driven;

src/app/ports/driven.rs

@@ -0,0 +1,22 @@
+use std::collections::HashMap;
+
+pub trait ForSendingNotification {
+    fn send_notification(&self, message: &str) -> Result<(), Box<dyn std::error::Error>>;
+}
+
+pub trait ForMonitoringSystem {
+    fn check_thresholds(&self) -> Vec<Box<dyn ForGettingViolationData>>;
+    fn get_metrics(&self) -> HashMap<String, f32>;
+}
+
+pub trait ForFormattingMessage {
+    fn format_violation(&self, violation: Box<dyn ForGettingViolationData>) -> String;
+    fn format_summary(&self, metrics: &HashMap<String, f32>) -> String;
+}
+
+pub trait ForGettingViolationData {
+    fn is_critical(&self) -> bool;
+    fn get_metric_name(&self) -> String;
+    fn get_metric_value(&self) -> f32;
+    fn get_threshold(&self) -> f32;
+}

src/app/service.rs

@@ -1,15 +1,17 @@
-use discord_client::DiscordNotifier;
-use system_monitor::{SystemMonitor, alert_formatter::AlertFormatter};
+use crate::app::ports::driven::{
+    ForFormattingMessage, ForMonitoringSystem, ForSendingNotification,
+};
+
 pub struct Service {
-    notifier: DiscordNotifier,
-    monitor: SystemMonitor,
-    formatter: AlertFormatter,
+    notifier: Box<dyn ForSendingNotification>,
+    monitor: Box<dyn ForMonitoringSystem>,
+    formatter: Box<dyn ForFormattingMessage>,
 }
 
 pub fn new(
-    notifier: DiscordNotifier,
-    monitor: SystemMonitor,
-    formatter: AlertFormatter,
+    notifier: Box<dyn ForSendingNotification>,
+    monitor: Box<dyn ForMonitoringSystem>,
+    formatter: Box<dyn ForFormattingMessage>,
 ) -> Service {
     Service {
         notifier,
@@ -23,14 +25,14 @@ impl Service {
         // Check for threshold violations and send alerts
         let violations = self.monitor.check_thresholds();
         for violation in violations {
-            let message = self.formatter.format_violation(&violation);
+            let message = self.formatter.format_violation(violation);
             self.notifier
                 .send_notification(&message)
                 .expect("Failed to send notification");
         }
 
         // Send a final notification with all system information
-        let summary = self.formatter.format_summary(&self.monitor);
+        let summary = self.formatter.format_summary(&self.monitor.get_metrics());
         self.notifier
             .send_notification(&summary)
             .expect("Failed to send final notification");

src/main.rs

@@ -3,9 +3,26 @@ use dotenvy::dotenv;
 use system_monitor::SystemMonitor;
 
 mod app {
+    pub mod ports;
     pub mod service;
 }
 
+mod adapters {
+    pub mod driven {
+        pub mod for_getting_violation_data;
+        pub mod for_monitoring_system;
+        pub mod for_sending_notification;
+    }
+}
+
+mod actors {
+    pub mod driven {
+        pub mod for_formatting_message {
+            pub mod alert_formatter;
+        }
+    }
+}
+
 fn main() {
     dotenv().ok();
 
@@ -14,12 +31,19 @@ fn main() {
         "System Monitor".to_string(),
         "https://cdn.shopify.com/s/files/1/0262/1423/6212/files/Lord_of_the_Rings_eye_of_Sauron_-_Ghtic.com_-_Blog.png?v=1579680018".to_string(),
     );
-
     let monitor =
         SystemMonitor::new(system_monitor::resource_threshold::get_default_resource_thresholds());
 
-    let formatter = system_monitor::alert_formatter::AlertFormatter;
+    let discord_adapter =
+        adapters::driven::for_sending_notification::discord_client::DiscordAdapter::new(notifier);
+    let system_monitor_adapter =
+        adapters::driven::for_monitoring_system::system_monitor::SystemMonitorAdapter::new(monitor);
+    let formatter = actors::driven::for_formatting_message::alert_formatter::AlertFormatter;
 
-    let service = app::service::new(notifier, monitor, formatter);
+    let service = app::service::new(
+        Box::new(discord_adapter),
+        Box::new(system_monitor_adapter),
+        Box::new(formatter),
+    );
     service.run();
 }