I am attempting to change the date on a photo in Google Photos (Picasa),
and I am able to change the `<title>` of the entry but not the
`<gphoto:timestamp>` which Google Photos uses to display the date.
I changed the date in the Google Photos Web UI for this photo, and the date
I changed it to is reflected in the response XML, but the date I try to
specify in the `PATCH` is not recognized.
Here is my API call (done through Postman):
PATCH
> /data/entry/api/user/100286800715039616425/albumid/6336738648658367153/photoid/6363082761005259858
>
> HTTP/1.1
> Host: picasaweb.google.com
> Authorization: Bearer ya29.*************************************
> GData-Version: 2
> Content-Type: application/xml
> If-Match: *
> Cache-Control: no-cache
>
> <entry xmlns='http://www.w3.org/2005/Atom'
> xmlns:gd='http://schemas.google.com/g/2005'
> xmlns:app='http://www.w3.org/2007/app'
> xmlns:gphoto='http://schemas.google.com/photos/2007'
> xmlns:exif='http://schemas.google.com/photos/exif/2007'
> xmlns:media='http://search.yahoo.com/mrss/'>
> <title>my old photo</title>
> <gphoto:timestamp>1481520757000</gphoto:timestamp>
> </entry>
...and the response:
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> * <?xml version='1.0' encoding='UTF-8'?> <entry
> xmlns='http://www.w3.org/2005/Atom'
> xmlns:gd='http://schemas.google.com/g/2005'
> xmlns:app='http://www.w3.org/2007/app'
> xmlns:gphoto='http://schemas.google.com/photos/2007'
> xmlns:exif='http://schemas.google.com/photos/exif/2007'
> xmlns:media='http://search.yahoo.com/mrss/'
> gd:etag='"XSp7ImA9"'>
> <id>https://picasaweb.google.com/data/entry/user/100286800715039616425/albumid/6336738648658367153/photoid/6363082761005259858</id>
>
> <published>2016-12-12T05:30:54.000Z</published>
> <updated>2016-12-12T17:44:04.541Z</updated>
> <app:edited>2016-12-12T17:44:04.541Z</app:edited> <category
> scheme='http://schemas.google.com/g/2005#kind'
> term='http://schemas.google.com/photos/2007#photo'/> <title>my old
> photo</title> <summary/> <content type='image/jpeg'
> src='https://lh3.googleusercontent.com/-X7xSJjwnAWw/WE42Dt4hXFI/AAAAAAAFdCs/4hsuSBR9jKc_azAhY2bTtChegxbZptfbQCHM/my%2Bold%2Bphoto'/>
>
> <link rel='http://schemas.google.com/g/2005#feed'
> type='application/atom+xml'
> href='https://picasaweb.google.com/data/feed/api/user/100286800715039616425/albumid/6336738648658367153/photoid/6363082761005259858'/>
>
> <link rel='alternate' type='text/html'
> href='https://picasaweb.google.com/100286800715039616425/6336738648658367153#6363082761005259858'/>
>
> <link rel='http://schemas.google.com/photos/2007#canonical'
> type='text/html'
> href='https://picasaweb.google.com/lh/photo/-kPOb-BKp9G6CFYSh-w379MTjNZETYmyPJy0liipFm0'/>
>
> <link rel='self' type='application/atom+xml'
> href='https://picasaweb.google.com/data/entry/api/user/100286800715039616425/albumid/6336738648658367153/photoid/6363082761005259858'/>
>
> <link rel='edit' type='application/atom+xml'
> href='https://picasaweb.google.com/data/entry/api/user/100286800715039616425/albumid/6336738648658367153/photoid/6363082761005259858'/>
>
> <link rel='edit-media' type='image/jpeg'
> href='https://picasaweb.google.com/data/media/api/user/100286800715039616425/albumid/6336738648658367153/photoid/6363082761005259858'/>
>
> <link rel='http://schemas.google.com/photos/2007#report'
> type='text/html'
> href='https://picasaweb.google.com/lh/reportAbuse?uname=100286800715039616425&aid=6336738648658367153&iid=6363082761005259858'/>
>
> <gphoto:id>6363082761005259858</gphoto:id>
> <gphoto:albumid>6336738648658367153</gphoto:albumid>
> <gphoto:access>only_you</gphoto:access>
> <gphoto:width>5312</gphoto:width>
> <gphoto:height>2988</gphoto:height>
> <gphoto:size>3482222</gphoto:size> <gphoto:checksum/>
> <gphoto:timestamp>216081840000</gphoto:timestamp>
> <gphoto:imageVersion>357419</gphoto:imageVersion>
> <gphoto:commentingEnabled>true</gphoto:commentingEnabled>
> <gphoto:commentCount>0</gphoto:commentCount>
> <gphoto:streamId>shared_group_6363082761005259858</gphoto:streamId>
> <gphoto:license id='0' name='All Rights Reserved'
> url=''>ALL_RIGHTS_RESERVED</gphoto:license> <gphoto:shapes
> faces='done'/> <exif:tags> <exif:fstop>1.8</exif:fstop>
> <exif:make>LG Electronics</exif:make>
> <exif:model>LG-H811</exif:model>
> <exif:exposure>0.06666667</exif:exposure>
> <exif:flash>false</exif:flash>
> <exif:focallength>4.42</exif:focallength>
> <exif:iso>400</exif:iso> <exif:time>1478371450000</exif:time>
>
> <exif:imageUniqueID>8b541ba23622e2d90000000000000000</exif:imageUniqueID>
> </exif:tags> <media:group> <media:content
> url='https://lh3.googleusercontent.com/-X7xSJjwnAWw/WE42Dt4hXFI/AAAAAAAFdCs/4hsuSBR9jKc_azAhY2bTtChegxbZptfbQCHM/my%2Bold%2Bphoto'
>
> height='288' width='512' type='image/jpeg' medium='image'/>
> <media:credit>Andrew Niesen</media:credit> <media:description
> type='plain'/> <media:keywords/> <media:thumbnail
> url='https://lh3.googleusercontent.com/-X7xSJjwnAWw/WE42Dt4hXFI/AAAAAAAFdCs/4hsuSBR9jKc_azAhY2bTtChegxbZptfbQCHM/s72/my%2Bold%2Bphoto'
>
> height='41' width='72'/> <media:thumbnail
> url='https://lh3.googleusercontent.com/-X7xSJjwnAWw/WE42Dt4hXFI/AAAAAAAFdCs/4hsuSBR9jKc_azAhY2bTtChegxbZptfbQCHM/s144/my%2Bold%2Bphoto'
>
> height='81' width='144'/> <media:thumbnail
> url='https://lh3.googleusercontent.com/-X7xSJjwnAWw/WE42Dt4hXFI/AAAAAAAFdCs/4hsuSBR9jKc_azAhY2bTtChegxbZptfbQCHM/s288/my%2Bold%2Bphoto'
>
> height='162' width='288'/> <media:title type='plain'>my old
> photo</media:title> </media:group> </entry>*
As you can see, the `<title>` is updated, but not the `<gphoto:timestamp>`
even though this is clearly possible, as I did it through the Web UI.
Any ideas? Thanks...
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