Integrate dyalpm for local/sync package queries

pkg/validation/validation.go

@@ -1,12 +1,7 @@
 package validation
 
 import (
-	"encoding/json"
-	"errors"
 	"fmt"
-	"io"
-	"net/http"
-	"net/url"
 	"os"
 	"os/exec"
 	"time"
@@ -14,33 +9,10 @@ import (
 
 var LockFile = "/var/lib/pacman/db.lock"
 
-const AURInfoURL = "https://aur.archlinux.org/rpc?v=5&type=info"
+func CheckDBFreshness() error {
+	start := time.Now()
+	fmt.Fprintf(os.Stderr, "[debug] CheckDBFreshness: starting...\n")
 
-type AURResponse struct {
-	Results []AURResult `json:"results"`
-}
-
-type AURResult struct {
-	Name string `json:"Name"`
-}
-
-func Validate(packages []string) error {
-	if len(packages) == 0 {
-		return errors.New("no packages found")
-	}
-
-	if err := checkDBFreshness(); err != nil {
-		return err
-	}
-
-	if err := validatePackages(packages); err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func checkDBFreshness() error {
 	info, err := os.Stat(LockFile)
 	if err != nil {
 		return nil
@@ -56,79 +28,6 @@ func checkDBFreshness() error {
 		}
 	}
 
+	fmt.Fprintf(os.Stderr, "[debug] CheckDBFreshness: done (%.2fs)\n", time.Since(start).Seconds())
 	return nil
 }
-
-func validatePackages(packages []string) error {
-	var pacmanPkgs []string
-	var aurPkgs []string
-
-	for _, pkg := range packages {
-		if inPacman(pkg) {
-			pacmanPkgs = append(pacmanPkgs, pkg)
-		} else {
-			aurPkgs = append(aurPkgs, pkg)
-		}
-	}
-
-	if len(aurPkgs) > 0 {
-		foundAUR := batchSearchAUR(aurPkgs)
-		for _, pkg := range aurPkgs {
-			if !foundAUR[pkg] {
-				return fmt.Errorf("package not found: %s", pkg)
-			}
-		}
-	}
-
-	return nil
-}
-
-func inPacman(name string) bool {
-	cmd := exec.Command("pacman", "-Qip", name)
-	if err := cmd.Run(); err == nil {
-		return true
-	}
-
-	cmd = exec.Command("pacman", "-Sip", name)
-	if err := cmd.Run(); err == nil {
-		return true
-	}
-
-	return false
-}
-
-func batchSearchAUR(packages []string) map[string]bool {
-	result := make(map[string]bool)
-
-	if len(packages) == 0 {
-		return result
-	}
-
-	v := url.Values{}
-	v.Set("type", "info")
-	for _, pkg := range packages {
-		v.Add("arg[]", pkg)
-	}
-
-	resp, err := http.Get(AURInfoURL + "&" + v.Encode())
-	if err != nil {
-		return result
-	}
-	defer resp.Body.Close()
-
-	body, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return result
-	}
-
-	var aurResp AURResponse
-	if err := json.Unmarshal(body, &aurResp); err != nil {
-		return result
-	}
-
-	for _, r := range aurResp.Results {
-		result[r.Name] = true
-	}
-
-	return result
-}