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(Ruby) Get the Photos for a User

Demonstrates how to get the photos that the user has uploaded.

Chilkat Ruby Downloads

Ruby Library for Linux and MAC OS X

require 'chilkat'

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# This example assumes a previously obtained an access token
oauth2 = Chilkat::CkOAuth2.new()
oauth2.put_AccessToken("FACEBOOK-ACCESS-TOKEN")

rest = Chilkat::CkRest.new()

# Connect to Facebook.
success = rest.Connect("graph.facebook.com",443,true,true)
if (success != true)
    print rest.lastErrorText() + "\n";
    exit
end

# Provide the authentication credentials (i.e. the access key)
rest.SetAuthOAuth2(oauth2)

# Indicate that we only want the photos the user has personally uploaded.
rest.AddQueryParam("type","uploaded")

# We could limit the number of photos by setting a limit.
rest.AddQueryParam("limit","5")

# Gets the 1st page of photos. (Not the actual image data, but the information about each photo.)
# See https://developers.facebook.com/docs/graph-api/reference/user/photos/ for more information.
responseJson = rest.fullRequestNoBody("GET","/v2.7/me/photos")
if (rest.get_LastMethodSuccess() != true)
    print rest.lastErrorText() + "\n";
    exit
end

json = Chilkat::CkJsonObject.new()
json.put_EmitCompact(false)
json.Load(responseJson)
print json.emit() + "\n";

# A sample JSON response is shown below.  
# This is the code to parse the JSON response.

dtime = Chilkat::CkDateTime.new()
bLocalTime = true

i = 0
numItems = json.SizeOfArray("data")
while i < numItems
    json.put_I(i)
    print "--- " + i.to_s() + "\n";
    name = json.stringOf("data[i].name")
    if (json.get_LastMethodSuccess() == true)
        print "name: " + name + "\n";
    end

    print "id: " + json.stringOf("data[i].id") + "\n";

    # We can load the created_time into a CkDateTime...
    dtime.SetFromTimestamp(json.stringOf("data[i].created_time"))
    # dt is a CkDtObj
    dt = dtime.GetDtObj(bLocalTime)
    print dt.get_Month().to_s() + "/" + dt.get_Day().to_s() + "/" + dt.get_Year().to_s() + "  " + dt.get_Hour().to_s() + 
        ":" + dt.get_Minute().to_s() + "\n";

    i = i + 1
end

# We can get the paging information as follows:
print "URL for next page: " + json.stringOf("paging.next") + "\n";
print "before cursor: " + json.stringOf("paging.cursors.before") + "\n";
print "after cursor: " + json.stringOf("paging.cursors.after") + "\n";

# This is a sample JSON response:
# { 
#   "data": [
#     {
#       "created_time": "2016-09-29T20:46:18+0000",
#       "name": "Ignore my posts -- I'm doing some testing for Facebook related programming...",
#       "id": "10210199026347451"
#     },
#     { 
#       "created_time": "2016-09-19T02:00:42+0000",
#       "id": "10210091531240138"
#     },
#     { 
#       "created_time": "2016-09-19T02:00:42+0000",
#       "id": "10210091520620125"
#     },
#     { 
#       "created_time": "2016-09-19T01:59:46+0000",
#       "name": "I would've went for a swim had it not been for the sign",
#       "id": "10210091522299917"
#     },
#     { 
#       "created_time": "2016-09-12T00:37:35+0000",
#       "id": "10210023316834798"
#     }
#   ],
#   "paging": { 
#     "cursors": { 
#       "before": "MTAyMTAxOTkwMjYzNDc0NTEZD",
#       "after": "MTAyMTAwMjMzMTU4MzQ3OTgZD"
#     },
#     "next": "https:\/\/graph.facebook.com\/v2.7\/10224048320139890\/photos?type=uploaded&limit=5&after=MTAyMTAwMjMzMTU4MzQ3OTgZD"
#   }
# }
# 

 

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