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author | 2022-10-08 14:00:39 +0200 | |
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committer | 2022-10-08 14:00:39 +0200 | |
commit | 80663061d8f361ae4bcea1307a10a40c41174ebe (patch) | |
tree | 999f9e8decfb3e6e211e8462415103819eddd1c2 /vendor/github.com/gorilla/feeds/json.go | |
parent | [chore] Standardize database queries, use `bun.Ident()` properly (#886) (diff) | |
download | gotosocial-80663061d8f361ae4bcea1307a10a40c41174ebe.tar.xz |
[feature] Add opt-in RSS feed for account's latest Public posts (#897)
* start adding rss functionality
* add gorilla/feeds dependency
* first bash at building rss feed
still needs work, this is an interim commit
* tidy up a bit
* add publicOnly option to GetAccountLastPosted
* implement rss endpoint
* fix test
* add initial user docs for rss
* update rss logo
* docs update
* add rssFeed to frontend
* feed -> feed.rss
* enableRSS
* increase rss logo size a lil bit
* add rss toggle
* move emojify to text package
* fiddle with rss feed formatting
* add Text field to test statuses
* move status to rss item to typeconverter
* update bun schema for enablerss
* simplify 304 checking
* assume account not rss
* update tests
* update swagger docs
* allow more characters in title, trim nicer
* update last posted to be more consistent
Diffstat (limited to 'vendor/github.com/gorilla/feeds/json.go')
-rw-r--r-- | vendor/github.com/gorilla/feeds/json.go | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/vendor/github.com/gorilla/feeds/json.go b/vendor/github.com/gorilla/feeds/json.go new file mode 100644 index 000000000..75a82fd62 --- /dev/null +++ b/vendor/github.com/gorilla/feeds/json.go @@ -0,0 +1,183 @@ +package feeds + +import ( + "encoding/json" + "strings" + "time" +) + +const jsonFeedVersion = "https://jsonfeed.org/version/1" + +// JSONAuthor represents the author of the feed or of an individual item +// in the feed +type JSONAuthor struct { + Name string `json:"name,omitempty"` + Url string `json:"url,omitempty"` + Avatar string `json:"avatar,omitempty"` +} + +// JSONAttachment represents a related resource. Podcasts, for instance, would +// include an attachment that’s an audio or video file. +type JSONAttachment struct { + Url string `json:"url,omitempty"` + MIMEType string `json:"mime_type,omitempty"` + Title string `json:"title,omitempty"` + Size int32 `json:"size,omitempty"` + Duration time.Duration `json:"duration_in_seconds,omitempty"` +} + +// MarshalJSON implements the json.Marshaler interface. +// The Duration field is marshaled in seconds, all other fields are marshaled +// based upon the definitions in struct tags. +func (a *JSONAttachment) MarshalJSON() ([]byte, error) { + type EmbeddedJSONAttachment JSONAttachment + return json.Marshal(&struct { + Duration float64 `json:"duration_in_seconds,omitempty"` + *EmbeddedJSONAttachment + }{ + EmbeddedJSONAttachment: (*EmbeddedJSONAttachment)(a), + Duration: a.Duration.Seconds(), + }) +} + +// UnmarshalJSON implements the json.Unmarshaler interface. +// The Duration field is expected to be in seconds, all other field types +// match the struct definition. +func (a *JSONAttachment) UnmarshalJSON(data []byte) error { + type EmbeddedJSONAttachment JSONAttachment + var raw struct { + Duration float64 `json:"duration_in_seconds,omitempty"` + *EmbeddedJSONAttachment + } + raw.EmbeddedJSONAttachment = (*EmbeddedJSONAttachment)(a) + + err := json.Unmarshal(data, &raw) + if err != nil { + return err + } + + if raw.Duration > 0 { + nsec := int64(raw.Duration * float64(time.Second)) + raw.EmbeddedJSONAttachment.Duration = time.Duration(nsec) + } + + return nil +} + +// JSONItem represents a single entry/post for the feed. +type JSONItem struct { + Id string `json:"id"` + Url string `json:"url,omitempty"` + ExternalUrl string `json:"external_url,omitempty"` + Title string `json:"title,omitempty"` + ContentHTML string `json:"content_html,omitempty"` + ContentText string `json:"content_text,omitempty"` + Summary string `json:"summary,omitempty"` + Image string `json:"image,omitempty"` + BannerImage string `json:"banner_,omitempty"` + PublishedDate *time.Time `json:"date_published,omitempty"` + ModifiedDate *time.Time `json:"date_modified,omitempty"` + Author *JSONAuthor `json:"author,omitempty"` + Tags []string `json:"tags,omitempty"` + Attachments []JSONAttachment `json:"attachments,omitempty"` +} + +// JSONHub describes an endpoint that can be used to subscribe to real-time +// notifications from the publisher of this feed. +type JSONHub struct { + Type string `json:"type"` + Url string `json:"url"` +} + +// JSONFeed represents a syndication feed in the JSON Feed Version 1 format. +// Matching the specification found here: https://jsonfeed.org/version/1. +type JSONFeed struct { + Version string `json:"version"` + Title string `json:"title"` + HomePageUrl string `json:"home_page_url,omitempty"` + FeedUrl string `json:"feed_url,omitempty"` + Description string `json:"description,omitempty"` + UserComment string `json:"user_comment,omitempty"` + NextUrl string `json:"next_url,omitempty"` + Icon string `json:"icon,omitempty"` + Favicon string `json:"favicon,omitempty"` + Author *JSONAuthor `json:"author,omitempty"` + Expired *bool `json:"expired,omitempty"` + Hubs []*JSONItem `json:"hubs,omitempty"` + Items []*JSONItem `json:"items,omitempty"` +} + +// JSON is used to convert a generic Feed to a JSONFeed. +type JSON struct { + *Feed +} + +// ToJSON encodes f into a JSON string. Returns an error if marshalling fails. +func (f *JSON) ToJSON() (string, error) { + return f.JSONFeed().ToJSON() +} + +// ToJSON encodes f into a JSON string. Returns an error if marshalling fails. +func (f *JSONFeed) ToJSON() (string, error) { + data, err := json.MarshalIndent(f, "", " ") + if err != nil { + return "", err + } + + return string(data), nil +} + +// JSONFeed creates a new JSONFeed with a generic Feed struct's data. +func (f *JSON) JSONFeed() *JSONFeed { + feed := &JSONFeed{ + Version: jsonFeedVersion, + Title: f.Title, + Description: f.Description, + } + + if f.Link != nil { + feed.HomePageUrl = f.Link.Href + } + if f.Author != nil { + feed.Author = &JSONAuthor{ + Name: f.Author.Name, + } + } + for _, e := range f.Items { + feed.Items = append(feed.Items, newJSONItem(e)) + } + return feed +} + +func newJSONItem(i *Item) *JSONItem { + item := &JSONItem{ + Id: i.Id, + Title: i.Title, + Summary: i.Description, + + ContentHTML: i.Content, + } + + if i.Link != nil { + item.Url = i.Link.Href + } + if i.Source != nil { + item.ExternalUrl = i.Source.Href + } + if i.Author != nil { + item.Author = &JSONAuthor{ + Name: i.Author.Name, + } + } + if !i.Created.IsZero() { + item.PublishedDate = &i.Created + } + if !i.Updated.IsZero() { + item.ModifiedDate = &i.Updated + } + if i.Enclosure != nil && strings.HasPrefix(i.Enclosure.Type, "image/") { + item.Image = i.Enclosure.Url + } + + return item +} |