Collecting Data from Facebook posts using JPath / JSONPath - json

Question

I have been at this for hours. How do you get filtering to work?
None of the solutions online works.
All I want to do is grab the comments(highlighted by these <<<>>>) from the json below from the name “Tori Smith”. I’ve been using this app to test http://jsonpath.curiousconcept.com/.
This is as far as I have gotten: ‘comments.data..from.id’
Data:
{
"id":"12029930209393029_10100748134340048",
"from":{
"id":"12029930209393029",
"name":"Tori Smith"
},
"message":"Buy this now",
"picture":"https:\/\/fbexternal-a.akamaihd.net\/app_full_proxy.php?app=141861192518680&v=1&size=z&cksum=a0471c1f5895cd22c74474fabc989c7e&src=http%3A%2F%2Fmedia3.policymic.com%2FYTM2OWUwN2Q0MSMvRnlpUTkxZU9DMWtGWFZ6TUNiYWh3RkxveXRjPS8yeDE6MTI4Nng2MjIvMTI4MHg2MjAvZmlsdGVyczpxdWFsaXR5KDcwKS9odHRwOi8vczMuYW1hem9uYXdzLmNvbS9wb2xpY3ltaWMtaW1hZ2VzL2JqNTdvbTZxZGd1N3ZpaGtvcWVrNnlzaTI5bW55dGZqanEwMWhuc3FqYjgxc3dkeGcyN2F6czV0eXV0bWJzZTguanBn.jpg",
"link":"http:\/\/mic.com\/articles\/101252\/this-tiny-box-will-let-you-stay-anonymous-on-the-internet",
"name":"This Tiny Box Will Let You Stay Anonymous on the Internet",
"caption":"Mic",
"description":"A simple and elegant solution to a major technology problem.",
"icon":"https:\/\/fbcdn-photos-d-a.akamaihd.net\/hphotos-ak-xpf1\/t39.2081-0\/10333103_752719651432828_1597152122_n.png",
"actions":[
{
"name":"Comment",
"link":"https:\/\/www.facebook.com\/12029930209393029\/posts\/10100748134340048"
},
{
"name":"Like",
"link":"https:\/\/www.facebook.com\/12029930209393029\/posts\/10100748134340048"
}
],
"privacy":{
"description":"Your friends",
"value":"ALL_FRIENDS",
"friends":"",
"networks":"",
"allow":"",
"deny":""
},
"type":"link",
"status_type":"app_created_story",
"application":{
"name":"Mic",
"namespace":"micmediaapp",
"id":"141861192518680"
},
"created_time":"2014-10-14T14:54:54+0000",
"updated_time":"2014-10-15T03:55:19+0000",
"comments":{
"data":[
{
"id":"10100748134340048_10100748984636048",
"from":{
"id":"123094958239849866",
"name":"Don Draper"
},
"message":"Even if I use Tor",
"can_remove":true,
"created_time":"2014-10-15T03:03:29+0000",
"like_count":0,
"user_likes":false
},
{
"id":"10100748134340048_10100749036726658",
"from":{
"id":"12029930209393029",
"name":"Tori Smith"
},
<<< "message":"Yes this can go with you and I think it works for all apps outside of TOR browser", >>>
"can_remove":true,
"created_time":"2014-10-15T03:55:19+0000",
"like_count":0,
"user_likes":false
},
{
"id":"10100748134340048_1010074901234658",
"from":{
"id":"12029930209393029",
"name":"Tori Smith"
},
<<< "message":"Second Text", >>>
"can_remove":true,
"created_time":"2014-10-15T03:55:19+0000",
"like_count":0,
"user_likes":false
}
],
"paging":{
"cursors":{
"after":"WTI5dGJXVnVkRjlqZFhKemIzSTZNVEF4TURBM05Ea3dNelkzTWpZMk5UZzZNVFF4TXpNME5UTXhPVG95",
"before":"WTI5dGJXVnVkRjlqZFhKemIzSTZNVEF4TURBM05EZzVPRFEyTXpZd05EZzZNVFF4TXpNME1qSXdPVG94"
}
}
}
}

Answer 1

To get at the comments you need to introduce a filter expression for filtering to comments by "Tori Smith" and then select the comment field.
Taking it step by step, to get all the comments, you need this:
$.comments.data
Then to filter to only the comments by "Tori Smith" add a filter like this:
$.comments.data[?(#.from.name == 'Tori Smith')]
Finally, to select only the message expand the query like this:
$.comments.data[?(#.from.name == 'Tori Smith')].message
I have tested this using the online JSON query tool here:
http://www.jsonquerytool.com/sample/jsonpathwhereselectcomments