Add poll support

Currenlty only voting is possible.

mastodon/poll.go

@@ -0,0 +1,38 @@
+package mastodon
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"net/url"
+	"time"
+)
+
+type Poll struct {
+	ID          string       `json:"id"`
+	ExpiresAt   time.Time    `json:"expires_at"`
+	Expired     bool         `json:"expired"`
+	Multiple    bool         `json:"multiple"`
+	VotesCount  int64        `json:"votes_count"`
+	Voted       bool         `json:"voted"`
+	Emojis      []Emoji      `json:"emojis"`
+	Options     []PollOption `json:"options"`
+}
+
+// Poll hold information for a mastodon poll option.
+type PollOption struct {
+	Title      string `json:"title"`
+	VotesCount int64  `json:"votes_count"`
+}
+
+// Vote submits a vote with given choices to the poll specified by id.
+func (c *Client) Vote(ctx context.Context, id string, choices []string) (*Poll, error) {
+	var poll Poll
+	params := make(url.Values)
+	params["choices[]"] = choices
+	err := c.doAPI(ctx, http.MethodPost, fmt.Sprintf("/api/v1/polls/%s/votes", id), params, &poll, nil)
+	if err != nil {
+		return nil, err
+	}
+	return &poll, nil
+}

mastodon/status.go

@@ -47,13 +47,14 @@ type Status struct {
 	Application        Application  `json:"application"`
 	Language           string       `json:"language"`
 	Pinned             interface{}  `json:"pinned"`
+	Poll               *Poll        `json:"poll"`
 
 	// Custom fields
-	Pleroma         StatusPleroma          `json:"pleroma"`
-	ShowReplies     bool                   `json:"show_replies"`
-	ReplyMap        map[string][]ReplyInfo `json:"reply_map"`
-	ReplyNumber     int                    `json:"reply_number"`
-	RetweetedByID   string                 `json:"retweeted_by_id"`
+	Pleroma       StatusPleroma          `json:"pleroma"`
+	ShowReplies   bool                   `json:"show_replies"`
+	ReplyMap      map[string][]ReplyInfo `json:"reply_map"`
+	ReplyNumber   int                    `json:"reply_number"`
+	RetweetedByID string                 `json:"retweeted_by_id"`
 }
 
 // Context hold information for mastodon context.