more abstraction and simple dashboard for processes

htop/models/process.go

@@ -0,0 +1,58 @@
+package models
+
+import (
+	"fmt"
+
+	ps "github.com/shirou/gopsutil/v3/process"
+)
+
+type Process struct {
+	PID    string
+	User   string
+	Cmd    string
+	CPU    float64
+	Memory uint64
+}
+
+func GetProcesses() ([]Process, error) {
+	processes, err := ps.Processes()
+	if err != nil {
+		return nil, err
+	}
+
+	var result []Process
+	for _, p := range processes {
+		pid := p.Pid
+
+		name, err := p.Name()
+		if err != nil {
+			continue
+		}
+
+		user, err := p.Username()
+		if err != nil {
+			user = "unknown"
+		}
+
+		cpu, err := p.CPUPercent()
+		if err != nil {
+			cpu = 0
+		}
+
+		memInfo, err := p.MemoryInfo()
+
+		if err != nil {
+			continue
+		}
+
+		result = append(result, Process{
+			PID:    fmt.Sprintf("%d", pid),
+			User:   user,
+			Cmd:    name,
+			CPU:    cpu,
+			Memory: memInfo.RSS,
+		})
+	}
+
+	return result, nil
+}