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package linkedin
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"log"
"net/http"
"codeberg.org/snonux/gos/internal/config"
"codeberg.org/snonux/gos/internal/entry"
"codeberg.org/snonux/gos/internal/platforms/linkedin/oauth2"
"codeberg.org/snonux/gos/internal/prompt"
"github.com/fatih/color"
)
var errUnauthorized = errors.New("unauthorized access, refresh or create token?")
func Post(ctx context.Context, args config.Args, sizeLimit int, ent entry.Entry) error {
err := post(ctx, args, sizeLimit, ent)
if errors.Is(err, errUnauthorized) {
log.Println(err, "=> trying to refresh LinkedIn access token")
args.Secrets.LinkedInAccessToken = "" // Reset the token
return post(ctx, args, sizeLimit, ent)
}
return err
}
func post(ctx context.Context, args config.Args, sizeLimit int, ent entry.Entry) error {
if args.DryRun {
log.Println("Not posting", ent, "to LinkedIn as dry-run enabled")
return nil
}
personID, accessToken, err := oauth2.LinkedInCreds(ctx, args)
if err != err {
return err
}
content, err := ent.ContentWithLimit(sizeLimit)
if err != nil {
return err
}
if err := prompt.DoYouWantThis("Do you want to post this message to Linkedin?", content); err != nil {
if errors.Is(err, prompt.ErrEditContent) {
if err := ent.Edit(); err != nil {
return err
}
return post(ctx, args, sizeLimit, ent)
}
return err
}
return callLinkedInAPI(ctx, personID, accessToken, content)
}
func callLinkedInAPI(ctx context.Context, personID, accessToken, content string) error {
const url = "https://api.linkedin.com/v2/posts"
post := map[string]interface{}{
"author": fmt.Sprintf("urn:li:person:%s", personID),
"commentary": escapeLinkedInText(content),
"visibility": "PUBLIC",
"distribution": map[string]interface{}{
"feedDistribution": "MAIN_FEED",
"targetEntities": []string{},
"thirdPartyDistributionChannels": []string{},
},
"lifecycleState": "PUBLISHED",
"isReshareDisabledByAuthor": false,
}
payload, err := json.Marshal(post)
if err != nil {
return fmt.Errorf("Error encoding JSON:%w", err)
}
req, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewBuffer(payload))
if err != nil {
return fmt.Errorf("Error creating request: %w", err)
}
req.Header.Add("Authorization", "Bearer "+accessToken)
req.Header.Set("Content-Type", "application/json")
req.Header.Add("X-RestLi-Protocol-Version", "2.0.0")
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
return fmt.Errorf("Error sending request: %w", err)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
color.Cyan(string(body))
if resp.StatusCode != http.StatusCreated {
err = fmt.Errorf("failed to post to LinkedIn. Status: %s\n", resp.Status)
if resp.StatusCode == http.StatusUnauthorized {
err = errors.Join(err, errUnauthorized)
}
}
return err
}
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