mirror of
https://gitea.phreedom.club/localhost_frssoft/bloat.git
synced 2024-11-05 12:39:22 +02:00
517 lines
13 KiB
Go
517 lines
13 KiB
Go
package service
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"io"
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"mime/multipart"
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"net/http"
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"net/url"
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"strings"
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"mastodon"
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"web/model"
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"web/renderer"
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"web/util"
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)
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var (
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ErrInvalidArgument = errors.New("invalid argument")
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ErrInvalidToken = errors.New("invalid token")
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ErrInvalidClient = errors.New("invalid client")
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)
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type Service interface {
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ServeHomePage(ctx context.Context, client io.Writer) (err error)
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GetAuthUrl(ctx context.Context, instance string) (url string, sessionID string, err error)
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GetUserToken(ctx context.Context, sessionID string, c *mastodon.Client, token string) (accessToken string, err error)
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ServeErrorPage(ctx context.Context, client io.Writer, err error)
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ServeSigninPage(ctx context.Context, client io.Writer) (err error)
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ServeTimelinePage(ctx context.Context, client io.Writer, c *mastodon.Client, maxID string, sinceID string, minID string) (err error)
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ServeThreadPage(ctx context.Context, client io.Writer, c *mastodon.Client, id string, reply bool) (err error)
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ServeNotificationPage(ctx context.Context, client io.Writer, c *mastodon.Client, maxID string, minID string) (err error)
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ServeUserPage(ctx context.Context, client io.Writer, c *mastodon.Client, id string, maxID string, minID string) (err error)
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ServeAboutPage(ctx context.Context, client io.Writer, c *mastodon.Client) (err error)
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Like(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error)
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UnLike(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error)
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Retweet(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error)
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UnRetweet(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error)
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PostTweet(ctx context.Context, client io.Writer, c *mastodon.Client, content string, replyToID string, files []*multipart.FileHeader) (id string, err error)
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Follow(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error)
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UnFollow(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error)
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}
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type service struct {
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clientName string
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clientScope string
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clientWebsite string
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renderer renderer.Renderer
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sessionRepo model.SessionRepository
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appRepo model.AppRepository
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}
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func NewService(clientName string, clientScope string, clientWebsite string,
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renderer renderer.Renderer, sessionRepo model.SessionRepository,
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appRepo model.AppRepository) Service {
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return &service{
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clientName: clientName,
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clientScope: clientScope,
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clientWebsite: clientWebsite,
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renderer: renderer,
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sessionRepo: sessionRepo,
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appRepo: appRepo,
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}
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}
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func (svc *service) GetAuthUrl(ctx context.Context, instance string) (
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redirectUrl string, sessionID string, err error) {
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var instanceURL string
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if strings.HasPrefix(instance, "https://") {
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instanceURL = instance
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instance = strings.TrimPrefix(instance, "https://")
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} else {
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instanceURL = "https://" + instance
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}
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sessionID = util.NewSessionId()
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err = svc.sessionRepo.Add(model.Session{
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ID: sessionID,
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InstanceDomain: instance,
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})
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if err != nil {
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return
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}
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app, err := svc.appRepo.Get(instance)
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if err != nil {
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if err != model.ErrAppNotFound {
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return
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}
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var mastoApp *mastodon.Application
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mastoApp, err = mastodon.RegisterApp(ctx, &mastodon.AppConfig{
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Server: instanceURL,
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ClientName: svc.clientName,
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Scopes: svc.clientScope,
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Website: svc.clientWebsite,
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RedirectURIs: svc.clientWebsite + "/oauth_callback",
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})
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if err != nil {
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return
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}
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app = model.App{
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InstanceDomain: instance,
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InstanceURL: instanceURL,
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ClientID: mastoApp.ClientID,
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ClientSecret: mastoApp.ClientSecret,
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}
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err = svc.appRepo.Add(app)
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if err != nil {
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return
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}
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}
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u, err := url.Parse("/oauth/authorize")
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if err != nil {
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return
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}
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q := make(url.Values)
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q.Set("scope", "read write follow")
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q.Set("client_id", app.ClientID)
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q.Set("response_type", "code")
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q.Set("redirect_uri", svc.clientWebsite+"/oauth_callback")
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u.RawQuery = q.Encode()
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redirectUrl = instanceURL + u.String()
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return
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}
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func (svc *service) GetUserToken(ctx context.Context, sessionID string, c *mastodon.Client,
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code string) (token string, err error) {
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if len(code) < 1 {
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err = ErrInvalidArgument
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return
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}
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session, err := svc.sessionRepo.Get(sessionID)
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if err != nil {
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return
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}
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app, err := svc.appRepo.Get(session.InstanceDomain)
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if err != nil {
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return
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}
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data := &bytes.Buffer{}
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err = json.NewEncoder(data).Encode(map[string]string{
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"client_id": app.ClientID,
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"client_secret": app.ClientSecret,
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"grant_type": "authorization_code",
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"code": code,
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"redirect_uri": svc.clientWebsite + "/oauth_callback",
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})
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if err != nil {
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return
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}
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resp, err := http.Post(app.InstanceURL+"/oauth/token", "application/json", data)
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if err != nil {
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return
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}
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defer resp.Body.Close()
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var res struct {
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AccessToken string `json:"access_token"`
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}
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err = json.NewDecoder(resp.Body).Decode(&res)
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if err != nil {
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return
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}
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/*
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err = c.AuthenticateToken(ctx, code, svc.clientWebsite+"/oauth_callback")
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if err != nil {
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return
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}
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err = svc.sessionRepo.Update(sessionID, c.GetAccessToken(ctx))
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*/
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return res.AccessToken, nil
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}
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func (svc *service) ServeHomePage(ctx context.Context, client io.Writer) (err error) {
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err = svc.renderer.RenderHomePage(ctx, client)
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if err != nil {
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return
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}
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return
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}
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func (svc *service) ServeErrorPage(ctx context.Context, client io.Writer, err error) {
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svc.renderer.RenderErrorPage(ctx, client, err)
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}
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func (svc *service) ServeSigninPage(ctx context.Context, client io.Writer) (err error) {
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err = svc.renderer.RenderSigninPage(ctx, client)
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if err != nil {
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return
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}
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return
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}
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func (svc *service) ServeTimelinePage(ctx context.Context, client io.Writer,
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c *mastodon.Client, maxID string, sinceID string, minID string) (err error) {
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var hasNext, hasPrev bool
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var nextLink, prevLink string
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var pg = mastodon.Pagination{
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MaxID: maxID,
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MinID: minID,
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Limit: 20,
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}
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statuses, err := c.GetTimelineHome(ctx, &pg)
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if err != nil {
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return err
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}
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if len(maxID) > 0 && len(statuses) > 0 {
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hasPrev = true
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prevLink = "/timeline?min_id=" + statuses[0].ID
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}
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if len(minID) > 0 && len(pg.MinID) > 0 {
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newStatuses, err := c.GetTimelineHome(ctx, &mastodon.Pagination{MinID: pg.MinID, Limit: 20})
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if err != nil {
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return err
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}
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newStatusesLen := len(newStatuses)
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if newStatusesLen == 20 {
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hasPrev = true
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prevLink = "/timeline?min_id=" + pg.MinID
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} else {
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i := 20 - newStatusesLen - 1
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if len(statuses) > i {
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hasPrev = true
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prevLink = "/timeline?min_id=" + statuses[i].ID
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}
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}
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}
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if len(pg.MaxID) > 0 {
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hasNext = true
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nextLink = "/timeline?max_id=" + pg.MaxID
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}
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navbarData, err := svc.getNavbarTemplateData(ctx, client, c)
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if err != nil {
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return
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}
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data := renderer.NewTimelinePageTemplateData(statuses, hasNext, nextLink, hasPrev, prevLink, navbarData)
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err = svc.renderer.RenderTimelinePage(ctx, client, data)
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if err != nil {
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return
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}
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return
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}
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func (svc *service) ServeThreadPage(ctx context.Context, client io.Writer, c *mastodon.Client, id string, reply bool) (err error) {
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status, err := c.GetStatus(ctx, id)
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if err != nil {
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return
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}
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u, err := c.GetAccountCurrentUser(ctx)
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if err != nil {
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return
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}
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var content string
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var replyToID string
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if reply {
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replyToID = id
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if u.ID != status.Account.ID {
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content += "@" + status.Account.Acct + " "
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}
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for i := range status.Mentions {
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if status.Mentions[i].ID != u.ID && status.Mentions[i].ID != status.Account.ID {
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content += "@" + status.Mentions[i].Acct + " "
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}
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}
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}
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context, err := c.GetStatusContext(ctx, id)
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if err != nil {
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return
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}
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statuses := append(append(context.Ancestors, status), context.Descendants...)
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replyMap := make(map[string][]mastodon.ReplyInfo)
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for i := range statuses {
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statuses[i].ShowReplies = true
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statuses[i].ReplyMap = replyMap
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addToReplyMap(replyMap, statuses[i].InReplyToID, statuses[i].ID, i+1)
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}
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navbarData, err := svc.getNavbarTemplateData(ctx, client, c)
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if err != nil {
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return
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}
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data := renderer.NewThreadPageTemplateData(statuses, replyToID, content, replyMap, navbarData)
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err = svc.renderer.RenderThreadPage(ctx, client, data)
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if err != nil {
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return
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}
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return
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}
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func (svc *service) ServeNotificationPage(ctx context.Context, client io.Writer, c *mastodon.Client, maxID string, minID string) (err error) {
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var hasNext bool
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var nextLink string
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var pg = mastodon.Pagination{
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MaxID: maxID,
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MinID: minID,
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Limit: 20,
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}
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notifications, err := c.GetNotifications(ctx, &pg)
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if err != nil {
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return
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}
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var unreadCount int
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for i := range notifications {
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switch notifications[i].Type {
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case "reblog", "favourite":
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if notifications[i].Status != nil {
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notifications[i].Status.HideAccountInfo = true
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}
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}
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if notifications[i].Pleroma != nil && notifications[i].Pleroma.IsSeen {
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unreadCount++
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}
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}
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if unreadCount > 0 {
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err := c.ReadNotifications(ctx, notifications[0].ID)
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if err != nil {
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return err
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}
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}
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if len(pg.MaxID) > 0 {
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hasNext = true
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nextLink = "/notifications?max_id=" + pg.MaxID
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}
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navbarData, err := svc.getNavbarTemplateData(ctx, client, c)
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if err != nil {
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return
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}
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data := renderer.NewNotificationPageTemplateData(notifications, hasNext, nextLink, navbarData)
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err = svc.renderer.RenderNotificationPage(ctx, client, data)
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if err != nil {
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return
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}
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return
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}
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func (svc *service) ServeUserPage(ctx context.Context, client io.Writer, c *mastodon.Client, id string, maxID string, minID string) (err error) {
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user, err := c.GetAccount(ctx, id)
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if err != nil {
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return
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}
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var hasNext bool
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var nextLink string
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var pg = mastodon.Pagination{
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MaxID: maxID,
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MinID: minID,
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Limit: 20,
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}
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statuses, err := c.GetAccountStatuses(ctx, id, &pg)
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if err != nil {
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return
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}
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if len(pg.MaxID) > 0 {
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hasNext = true
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nextLink = "/user/" + id + "?max_id=" + pg.MaxID
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}
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navbarData, err := svc.getNavbarTemplateData(ctx, client, c)
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if err != nil {
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return
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}
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data := renderer.NewUserPageTemplateData(user, statuses, hasNext, nextLink, navbarData)
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err = svc.renderer.RenderUserPage(ctx, client, data)
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if err != nil {
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return
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}
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return
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}
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func (svc *service) ServeAboutPage(ctx context.Context, client io.Writer, c *mastodon.Client) (err error) {
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navbarData, err := svc.getNavbarTemplateData(ctx, client, c)
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if err != nil {
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return
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}
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data := renderer.NewAboutPageTemplateData(navbarData)
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err = svc.renderer.RenderAboutPage(ctx, client, data)
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if err != nil {
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return
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}
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return
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}
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func (svc *service) getNavbarTemplateData(ctx context.Context, client io.Writer, c *mastodon.Client) (data *renderer.NavbarTemplateData, err error) {
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notifications, err := c.GetNotifications(ctx, nil)
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if err != nil {
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return
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}
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var notificationCount int
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for i := range notifications {
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if notifications[i].Pleroma != nil && !notifications[i].Pleroma.IsSeen {
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notificationCount++
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}
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}
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data = renderer.NewNavbarTemplateData(notificationCount)
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return
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}
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func (svc *service) Like(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
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_, err = c.Favourite(ctx, id)
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return
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}
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func (svc *service) UnLike(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
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_, err = c.Unfavourite(ctx, id)
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return
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}
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func (svc *service) Retweet(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
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_, err = c.Reblog(ctx, id)
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return
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}
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func (svc *service) UnRetweet(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
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_, err = c.Unreblog(ctx, id)
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return
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}
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func (svc *service) PostTweet(ctx context.Context, client io.Writer, c *mastodon.Client, content string, replyToID string, files []*multipart.FileHeader) (id string, err error) {
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var mediaIds []string
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for _, f := range files {
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a, err := c.UploadMediaFromMultipartFileHeader(ctx, f)
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if err != nil {
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return "", err
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}
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mediaIds = append(mediaIds, a.ID)
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}
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tweet := &mastodon.Toot{
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Status: content,
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InReplyToID: replyToID,
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MediaIDs: mediaIds,
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}
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s, err := c.PostStatus(ctx, tweet)
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if err != nil {
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return
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}
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return s.ID, nil
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}
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func (svc *service) Follow(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
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_, err = c.AccountFollow(ctx, id)
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return
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}
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func (svc *service) UnFollow(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
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_, err = c.AccountUnfollow(ctx, id)
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return
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}
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func addToReplyMap(m map[string][]mastodon.ReplyInfo, key interface{}, val string, number int) {
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if key == nil {
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return
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}
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keyStr, ok := key.(string)
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if !ok {
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return
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}
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_, ok = m[keyStr]
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if !ok {
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m[keyStr] = []mastodon.ReplyInfo{}
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}
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m[keyStr] = append(m[keyStr], mastodon.ReplyInfo{val, number})
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}
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