Parse Json data into simple array Ruby on Rails 4

Question

I got the following json array in the ajax call like this

item    restaurants
places  [{"geometry":{"location":{"H":31.485241,"L":74.30220800000006}},"icon":"https://maps.gstatic.com/mapfiles
/place_api/icons/restaurant-71.png","id":"f8d9edcb5068bcd868e225429e881a351a5e2795","name":"Subway","opening_hours"
:{"open_now":true,"weekday_text":[]},"photos":[{"height":720,"html_attributions":["<a href=\"https:/
/maps.google.com/maps/contrib/116044146831530051317\">Adnan Fayyaz</a>"],"width":960}],"place_id":"ChIJpaImhvEDGTkRw35DXlvUTIE"
,"price_level":1,"rating":2.9,"reference":"CmRaAAAAr8mbHo-J1Wq8YTjzyiHRmwMkh40-26VJ6WqBxgjdAtT4v2HuT
Lb_OEYS7DUqHHIOe__ywd7S0E8oWgarwGD-DdlS1SVmrEo_Sl58o3PO528LAPGBSuN8luGTXLkKS0waEhCBQcGYE1ejtMRrY1F6zK5NGhTuIi9f4ht2CC0obNOpChdD1P_8yA"
,"scope":"GOOGLE","types":["restaurant","food","point_of_interest","establishment"],"vicinity":"A Block
, Lahore","html_attributions":[]}]

Now when i do p params["item"] in the console it gives me 'restaurants' (correct) when i do p params["places"] it gives me the whole response (which is again correct) but when i try to get (let's say) first geometry thing by typing p params['places'][0] it gives me just two brackets like

[
[

and nothing else is shown . while my expecting result is first element in the array which is geometry thing . also p params['places'][0].geometry gives nil , why ? what am i missing

haradwaith · Accepted Answer · 2015-10-07 09:30:14Z

3

p params['places'][0] is printing brackets because params['places'] is a string. You are then printing the first character of the string.

To get the content of the JSON, you first need to parse it, with for example the json gem.

require json
places = JSON.parse(params['places'])
p places[0]

answered Oct 7, 2015 at 9:30

haradwaith

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