163 lines
4.3 KiB
Markdown
163 lines
4.3 KiB
Markdown
---
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title: Card
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description: Represents a rich preview card that is generated using OpenGraph tags from a URL.
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menu:
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docs:
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parent: entities
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---
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{{< tabs >}}
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{{< tab title="video" >}}
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```javascript
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{
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"url": "https://www.youtube.com/watch?v=OMv_EPMED8Y",
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"title": "♪ Brand New Friend (Christmas Song!)",
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"description": "",
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"type": "video",
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"author_name": "YOGSCAST Lewis & Simon",
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"author_url": "https://www.youtube.com/user/BlueXephos",
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"provider_name": "YouTube",
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"provider_url": "https://www.youtube.com/",
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"html": "<iframe width=\"480\" height=\"270\" src=\"https://www.youtube.com/embed/OMv_EPMED8Y?feature=oembed\" frameborder=\"0\" allowfullscreen=\"\"></iframe>",
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"width": 480,
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"height": 270,
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"image": "https://files.mastodon.social/preview_cards/images/014/179/145/original/9cf4b7cf5567b569.jpeg",
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"embed_url": ""
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}
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```
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{{< endtab >}}
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{{< tab title="photo" >}}
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```javascript
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{
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"url": "https://www.flickr.com/photos/tomfenskephotography/49088768431/",
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"title": "Oregon",
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"description": "",
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"type": "photo",
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"author_name": "Tom Fenske Photography",
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"author_url": "https://www.flickr.com/photos/tomfenskephotography/",
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"provider_name": "Flickr",
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"provider_url": "https://www.flickr.com/",
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"html": "",
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"width": 1024,
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"height": 427,
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"image": "https://files.mastodon.social/preview_cards/images/014/287/139/original/651b1c6976817824.jpeg",
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"embed_url": "https://live.staticflickr.com/65535/49088768431_6a4322b3bb_b.jpg"
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}
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```
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{{< endtab >}}
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{{< tab title="link" >}}
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```javascript
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{
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"url": "https://www.theguardian.com/money/2019/dec/07/i-lost-my-193000-inheritance-with-one-wrong-digit-on-my-sort-code",
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"title": "‘I lost my £193,000 inheritance – with one wrong digit on my sort code’",
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"description": "When Peter Teich’s money went to another Barclays customer, the bank offered £25 as a token gesture",
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"type": "link",
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"author_name": "",
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"author_url": "",
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"provider_name": "",
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"provider_url": "",
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"html": "",
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"width": 0,
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"height": 0,
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"image": null,
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"embed_url": ""
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}
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```
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{{< endtab >}}
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{{< endtabs >}}
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## Required attributes
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### `url` {#url}
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**Description:** Location of linked resource.\
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**Type:** String \(URL\)\
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**Version history:** Added in 1.0.0
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### `title` {#title}
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**Description:** Title of linked resource.\
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**Type:** String\
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**Version history:** Added in 1.0.0
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### `description` {#description}
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**Description:** Description of preview.\
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**Type:** String\
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**Version history:** Added in 1.0.0
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### `type` {#type}
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**Description:** The type of the preview card.\
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**Type:** String \(Enumerable, oneOf\)\
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`link` = Link OEmbed\
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`photo` = Photo OEmbed\
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`video` = Video OEmbed\
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`rich` = iframe OEmbed. Not currently accepted, so won't show up in practice.\
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**Version history:** Added in 1.3.0
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## Optional attributes
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### `author_name` {#author_name}
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**Description:** The author of the original resource.\
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**Type:** String\
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**Version history:** Added in 1.3.0
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### `author_url` {#author_url}
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**Description:** A link to the author of the original resource.\
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**Type:** String \(URL\)\
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**Version history:** Added in 1.3.0
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### `provider_name` {#provider_name}
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**Description:** The provider of the original resource.\
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**Type:** String\
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**Version history:** Added in 1.3.0
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### `provider_url` {#provider_url}
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**Description:** A link to the provider of the original resource.\
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**Type:** String \(URL\)\
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**Version history:** Added in 1.3.0
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### `html` {#html}
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**Description:** HTML to be used for generating the preview card.\
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**Type:** String \(HTML\)\
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**Version history:** Added in 1.3.0
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### `width` {#width}
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**Description:** Width of preview, in pixels.\
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**Type:** Number\
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**Version history:** Added in 1.3.0
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### `height` {#height}
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**Description:** Height of preview, in pixels.\
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**Type:** Number\
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**Version history:** Added in 1.3.0
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### `image` {#image}
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**Description:** Preview thumbnail.\
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**Type:** String \(URL\)\
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**Version history:** Added in 1.0.0
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### `embed_url` {#embed_url}
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**Description:** Used for photo embeds, instead of custom `html`.\
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**Type:** String \(URL\)\
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**Version history:** Added in 2.1.0
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## See also
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{{< page-ref page="status.md" >}}
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{{< caption-link url="https://github.com/tootsuite/mastodon/blob/master/app/serializers/rest/preview_card_serializer.rb" caption="app/serializers/rest/preview\_card\_serializer.rb" >}}
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