Progress on RPC dependency parsing

aur.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bufio"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -11,6 +12,35 @@ import (
 	"strings"
 )
 
+// AurInfo is the result of an info search
+type AurInfo struct {
+	Version     int    `json:"version"`
+	Type        string `json:"type"`
+	Resultcount int    `json:"resultcount"`
+	Results     []struct {
+		ID             int         `json:"ID"`
+		Name           string      `json:"Name"`
+		PackageBaseID  int         `json:"PackageBaseID"`
+		PackageBase    string      `json:"PackageBase"`
+		Version        string      `json:"Version"`
+		Description    string      `json:"Description"`
+		URL            string      `json:"URL"`
+		NumVotes       int         `json:"NumVotes"`
+		Popularity     float64     `json:"Popularity"`
+		OutOfDate      interface{} `json:"OutOfDate"`
+		Maintainer     string      `json:"Maintainer"`
+		FirstSubmitted int         `json:"FirstSubmitted"`
+		LastModified   int         `json:"LastModified"`
+		URLPath        string      `json:"URLPath"`
+		Depends        []string    `json:"Depends"`
+		MakeDepends    []string    `json:"MakeDepends"`
+		OptDepends     []string    `json:"OptDepends"`
+		Conflicts      []string    `json:"Conflicts"`
+		License        []string    `json:"License"`
+		Keywords       []string    `json:"Keywords"`
+	} `json:"results"`
+}
+
 // AurResult describes an AUR package
 type AurResult struct {
 	ID             int         `json:"ID"`
@@ -66,6 +96,12 @@ func searchAurPackages(pkg string) (search AurSearch) {
 	return search
 }
 
+func infoAurPackage(pkg string) (info AurInfo) {
+	fmt.Println("https://aur.archlinux.org/rpc/?v=5&type=info&arg[]=" + pkg)
+	getJSON("https://aur.archlinux.org/rpc/?v=5&type=info&arg[]="+pkg, &info)
+	return info
+}
+
 func (r AurSearch) printSearch(index int) (err error) {
 	for i, result := range r.Results {
 		if index != SearchMode {
@@ -121,10 +157,61 @@ func downloadFile(filepath string, url string) (err error) {
 	return nil
 }
 
-func (a AurResult) getAURDependencies() {
+// To implement
+func (a AurResult) getDepsfromFile(pkgbuildLoc string) (err error) {
+	var depend string
+	file, err := os.Open(pkgbuildLoc)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		if strings.Contains(scanner.Text(), "optdepends=(") {
+			continue
+		}
+		if strings.Contains(scanner.Text(), "depends=(") {
+			depend = scanner.Text()
+			fields := strings.Fields(depend)
+
+			for _, i := range fields {
+				fmt.Println(i)
+			}
+			break
+		}
+	}
+
+	return nil
+}
+
+func (a AurResult) getDepsFromRPC() (err error) {
+	info := infoAurPackage(a.Name)
+	fmt.Printf("%+v\n", info)
+
+	f := func(c rune) bool {
+		return c == '>' || c == '<' || c == '=' || c == ' '
+	}
+
+	for _, deps := range info.Results[0].MakeDepends {
+		fields := strings.FieldsFunc(deps, f)
+		fmt.Println(fields[0])
+	}
+
+	for _, deps := range info.Results[0].Depends {
+		fields := strings.FieldsFunc(deps, f)
+		fmt.Println(fields[0])
+	}
+
 	return
 }
 
+func (a AurResult) getAURDependencies() (err error) {
+	a.getDepsFromRPC()
+
+	return nil
+}
+
 func (a AurResult) installResult() (err error) {
 	// No need to use filepath.separators because it won't run on inferior platforms
 	err = os.MkdirAll(BuildDir+"builds", 0755)
@@ -153,7 +240,9 @@ func (a AurResult) installResult() (err error) {
 	if err != nil {
 		return
 	}
+
 	a.getAURDependencies()
+	os.Exit(0)
 
 	fmt.Print("==> Edit PKGBUILD? (y/n)")
 	var response string