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package main
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
"syscall"
"time"
)
type statistics struct {
PkgName string
Name string
Type string //formula or cask
Desc string
Outdated bool
InstalledAsDependency bool
InstalledOnRequest bool
BinaryExists bool
LastAccessTime time.Time
InstalledVersion string
Homepage string
License string
ReverseDependencies []string
}
const dataTTL = time.Hour / 2
func NewStatistics(formula *FormulaInfo, cask *CaskInfo, pkgName string, rvs []string) *statistics {
var statObject statistics
// === formula/cask specific === //
if formula != nil {
statObject.Name = formula.Name
statObject.Type = "formula"
statObject.Desc = formula.Desc
statObject.Homepage = formula.Homepage
statObject.License = formula.License
statObject.Outdated = formula.Outdated
// if installed
if len(formula.Installed) != 0 {
statObject.InstalledVersion = formula.Installed[0].Version
statObject.InstalledAsDependency = formula.Installed[0].InstalledAsDependency
statObject.InstalledOnRequest = formula.Installed[0].InstalledOnRequest
}
// get reverse dependencies
statObject.ReverseDependencies = rvs
} else if cask != nil {
statObject.Name = cask.Token
statObject.Type = "cask"
statObject.Desc = cask.Desc
statObject.Homepage = cask.Homepage
statObject.InstalledVersion = cask.Installed
statObject.Outdated = cask.Outdated
}
// === general === //
statObject.PkgName = pkgName
// get system atime
var atime time.Time
binPath := filepath.Join("/opt/homebrew/bin", pkgName)
info, err := os.Stat(binPath)
if err != nil {
atime = time.Time{} // skip if no binary is found
statObject.BinaryExists = false
} else {
atime = time.Unix(info.Sys().(*syscall.Stat_t).Atimespec.Unix())
statObject.BinaryExists = true
}
statObject.LastAccessTime = atime
return &statObject
}
func NewStatisticsFromCache(pkgName string) *statistics {
raw, success := ReadCache("pkg/"+pkgName+".json", dataTTL)
if success {
var stat statistics
json.Unmarshal(raw, &stat)
return &stat
}
return nil
}
func (s *statistics) Cache() {
data, err := json.Marshal(s)
if err != nil {
fmt.Println("Error marshaling statistics:", err)
return
}
WriteCache("pkg/"+s.PkgName+".json", data)
}
func (s *statistics) Print() {
if s == nil {
fmt.Println("Package not found.")
return
}
PrintHeader(s)
PrintUserInteractionSummary(s)
PrintMetadata(s)
fmt.Println()
}
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