117 lines
2.6 KiB
Go
117 lines
2.6 KiB
Go
package main
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import (
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"context"
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"encoding/json"
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"errors"
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"os"
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"os/signal"
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"strings"
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"text/template"
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"github.com/mattn/go-mastodon"
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"github.com/urfave/cli"
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)
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// SimpleJSON is a struct for output JSON for data to be simple used
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type SimpleJSON struct {
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ID int64 `json:"id"`
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Username string `json:"username"`
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Acct string `json:"acct"`
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Avatar string `json:"avatar"`
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Content string `json:"content"`
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}
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func checkFlag(f ...bool) bool {
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n := 0
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for _, on := range f {
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if on {
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n++
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}
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}
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return n > 1
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}
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func cmdStream(c *cli.Context) error {
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asJSON := c.Bool("json")
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asSimpleJSON := c.Bool("simplejson")
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asFormat := c.String("template")
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if checkFlag(asJSON, asSimpleJSON, asFormat != "") {
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return errors.New("cannot speicify two or three options in --json/--simplejson/--template")
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}
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tx, err := template.New("mstdn").Funcs(template.FuncMap{
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"nl": func(s string) string {
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return s + "\n"
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},
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"text": func(s string) string {
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return textContent(s)
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},
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}).Parse(asFormat)
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if err != nil {
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return err
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}
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client := c.App.Metadata["client"].(*mastodon.Client)
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config := c.App.Metadata["config"].(*mastodon.Config)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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sc := make(chan os.Signal, 1)
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signal.Notify(sc, os.Interrupt)
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var q chan mastodon.Event
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t := c.String("type")
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if t == "public" {
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q, err = client.StreamingPublic(ctx, false)
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} else if t == "" || t == "public/local" {
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q, err = client.StreamingPublic(ctx, true)
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} else if strings.HasPrefix(t, "user:") {
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q, err = client.StreamingUser(ctx)
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} else if strings.HasPrefix(t, "hashtag:") {
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q, err = client.StreamingHashtag(ctx, t[8:], false)
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} else {
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return errors.New("invalid type")
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}
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if err != nil {
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return err
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}
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go func() {
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<-sc
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cancel()
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close(q)
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}()
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c.App.Metadata["signal"] = sc
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s := newScreen(config)
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for e := range q {
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if asJSON {
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json.NewEncoder(c.App.Writer).Encode(e)
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} else if asSimpleJSON {
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if t, ok := e.(*mastodon.UpdateEvent); ok {
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json.NewEncoder(c.App.Writer).Encode(&SimpleJSON{
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ID: t.Status.ID,
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Username: t.Status.Account.Username,
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Acct: t.Status.Account.Acct,
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Avatar: t.Status.Account.AvatarStatic,
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Content: textContent(t.Status.Content),
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})
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}
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} else if asFormat != "" {
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tx.ExecuteTemplate(c.App.Writer, "mstdn", e)
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} else {
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switch t := e.(type) {
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case *mastodon.UpdateEvent:
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s.displayStatus(c.App.Writer, t.Status)
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case *mastodon.NotificationEvent:
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// TODO s.displayStatus(c.App.Writer, t.Notification.Status)
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case *mastodon.ErrorEvent:
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s.displayError(c.App.Writer, t)
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}
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}
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}
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return nil
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}
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