[Wikidata-bugs] [Maniphest] [Created] T206645: Come up with a single-call API mechanism to fetch the captions (and other structured data) of a given file

[Jdforrester-WMF]

Jdforrester-WMF created this task.Jdforrester-WMF added projects: SDC Engineering, Wikidata.Restricted Application added a subscriber: Aklapper.
TASK DESCRIPTIONRight now, to pull the captions of a file, you need to do two things.

First, you map the titles to the mediainfo_entity values, via action=""> which gives you something like:

{
    "query": {
        "pages": [
            {
                "pageid": 1,
                "ns": 6,
                "title": "File:Foo.jpg",
                "pageprops": {
                    "mediainfo_entity": "M1"
                }
            },
            {
                "pageid": 2,
                "ns": 6,
                "title": "File:Bar.jpg",
                "pageprops": {
                    "mediainfo_entity": "M2"
                }
            }
        ]
    }
}
… and then you use the extracted values as the feed-in for the query to get the captions via action="">:

{
    "entities": {
        "M1": {
            "type": "mediainfo",
            "id": "M1",
            "labels": {
                "en": {
                    "language": "en",
                    "value": "Hello!"
                },
                "fr": {
                    "language": "fr",
                    "value": "Bonjour!"
                }
            },
            "statements": []
        },
        "M2": {
            "type": "mediainfo",
            "id": "M2",
            "labels": {
                "da": {
                    "language": "da",
                    "value": "hallo"
                },
                "is": {
                    "language": "is",
                    "value": "hæ"
                }
            },
            "statements": []
        }
    }
}

It might be nice to come up with a title-based generator for the wbentities query so that people would only have to do something like action="">TASK DETAILhttps://phabricator.wikimedia.org/T206645WORKBOARDhttps://phabricator.wikimedia.org/project/board/3633/EMAIL PREFERENCEShttps://phabricator.wikimedia.org/settings/panel/emailpreferences/To: Jdforrester-WMFCc: Jdforrester-WMF, Aklapper, Nandana, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, Wikidata-bugs, aude, Mbch331_______________________________________________
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