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pinlist.go
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/
pinlist.go
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package main
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"github.com/ipfs/boxo/path"
)
func (a *App) loadPinList() {
homeDir, err := os.UserHomeDir()
if err != nil {
fmt.Println("Error getting home directory:", err)
return
}
pinListPath := filepath.Join(homeDir, ".tz-vertex_pinlist.json")
data, err := ioutil.ReadFile(pinListPath)
if err != nil {
if os.IsNotExist(err) {
a.pinList = []string{}
return
}
fmt.Println("Error reading pin list:", err)
return
}
err = json.Unmarshal(data, &a.pinList)
if err != nil {
fmt.Println("Error parsing pin list:", err)
return
}
}
func (a *App) savePinList() {
homeDir, err := os.UserHomeDir()
if err != nil {
fmt.Println("Error getting home directory:", err)
return
}
pinListPath := filepath.Join(homeDir, ".tz-vertex_pinlist.json")
data, err := json.Marshal(a.pinList)
if err != nil {
fmt.Println("Error encoding pin list:", err)
return
}
err = ioutil.WriteFile(pinListPath, data, 0644)
if err != nil {
fmt.Println("Error saving pin list:", err)
return
}
}
func (a *App) AddCID(cid string) {
a.pinList = append(a.pinList, cid)
a.savePinList()
go a.pinCID(cid)
}
func (a *App) RemoveCID(cid string) {
for i, pinnedCID := range a.pinList {
if pinnedCID == cid {
a.pinList = append(a.pinList[:i], a.pinList[i+1:]...)
break
}
}
a.savePinList()
go a.unpinCID(cid)
}
func (a *App) GetPinList() []string {
return a.pinList
}
func (a *App) pinCID(cid string) error {
p, err := path.NewPath("/ipfs/" + cid)
if err != nil {
return fmt.Errorf("error creating path: %w", err)
}
err = a.node.Pin().Add(context.Background(), p)
if err != nil {
return fmt.Errorf("error pinning CID: %w", err)
}
return nil
}
func (a *App) unpinCID(cid string) {
p, err := path.NewPath("/ipfs/" + cid)
if err != nil {
fmt.Println("Error creating path:", err)
return
}
err = a.node.Pin().Rm(context.Background(), p)
if err != nil {
fmt.Println("Error unpinning CID:", err)
}
}