snoobert/emoji.go

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package reddit
import (
"context"
"encoding/json"
"fmt"
"net/http"
"strings"
)
// EmojiService handles communication with the emoji
// related methods of the Reddit API.
//
// Reddit API docs: https://www.reddit.com/dev/api/#section_collections
type EmojiService struct {
client *Client
}
// Emoji is a graphic element you can include in a post flair or user flair.
type Emoji struct {
Name string `json:"name,omitempty"`
URL string `json:"url,omitempty"`
UserFlairAllowed bool `json:"user_flair_allowed,omitempty"`
PostFlairAllowed bool `json:"post_flair_allowed,omitempty"`
ModFlairOnly bool `json:"mod_flair_only,omitempty"`
// ID of the user who created this emoji.
CreatedBy string `json:"created_by,omitempty"`
}
// UnmarshalJSON implements the json.Unmarshaler interface.
// func (e *Emoji) UnmarshalJSON(data []byte) (err error) {
// fmt.Println("===", string(data))
// return nil
// }
type emojis []*Emoji
func (e *emojis) UnmarshalJSON(data []byte) (err error) {
emojiMap := make(map[string]json.RawMessage)
err = json.Unmarshal(data, &emojiMap)
if err != nil {
return
}
for emojiName, emojiValue := range emojiMap {
emoji := new(Emoji)
err = json.Unmarshal(emojiValue, emoji)
if err != nil {
return
}
emoji.Name = emojiName
*e = append(*e, emoji)
}
return
}
// Get returns the default set of Reddit emojis, and those of the subreddit, respectively.
func (s *EmojiService) Get(ctx context.Context, subreddit string) ([]*Emoji, []*Emoji, *Response, error) {
path := fmt.Sprintf("api/v1/%s/emojis/all", subreddit)
req, err := s.client.NewRequest(http.MethodGet, path, nil)
if err != nil {
return nil, nil, nil, err
}
root := make(map[string]emojis)
resp, err := s.client.Do(ctx, req, &root)
if err != nil {
return nil, nil, resp, err
}
defaultEmojis := root["snoomojis"]
var subredditEmojis []*Emoji
for k := range root {
if strings.HasPrefix(k, kindSubreddit) {
subredditEmojis = root[k]
break
}
}
return defaultEmojis, subredditEmojis, resp, nil
}