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utils.go
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/
utils.go
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package main
import (
"encoding/json"
"github.com/nbd-wtf/go-nostr"
"os"
)
func contains(s []string, str string) bool {
for _, v := range s {
if v == str {
return true
}
}
return false
}
func containsEvent(events []*nostr.Event, id string) bool {
for _, v := range events {
if v.ID == id {
return true
}
}
return false
}
func getContentMeta(event *nostr.Event) (*ProfileMetadata, error) {
var metadata *ProfileMetadata
err := json.Unmarshal([]byte(event.Content), &metadata)
if err != nil {
return nil, err
}
return metadata, nil
}
func setContentMeta(meta *ProfileMetadata) (*nostr.Event, error) {
var ev = nostr.Event{}
m, err := json.Marshal(&meta)
if err != nil {
return nil, err
}
ev.Content = string(m)
return &ev, nil
}
func PrettyStruct(data interface{}) (string, error) {
val, err := json.MarshalIndent(data, "", " ")
if err != nil {
return "", err
}
return string(val), nil
}
func chunkSlice(slice []string, chunkSize int) [][]string {
var chunks [][]string
for {
if len(slice) == 0 {
break
}
if len(slice) < chunkSize {
chunkSize = len(slice)
}
chunks = append(chunks, slice[0:chunkSize])
slice = slice[chunkSize:]
}
return chunks
}
func openFile(path string, flags int) (*os.File, error) {
f, err := os.OpenFile(path, flags, 0644)
if err != nil {
// Does not exist? Create
f, err = openFile(path, os.O_CREATE|os.O_RDWR|os.O_TRUNC)
if err != nil {
return nil, err
}
return f, err
}
return f, nil
}