Lua Requires Chilkat v11.0.0+
Lua
Facebook User Feed (Read Posts)
See more Facebook Examples
Demonstrates how to read the feed of posts (including status updates) and links published by this person, or by others on this person's profile. This introductory example gets the first few posts.Chilkat Lua Downloads
local chilkat = 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
local oauth2 = chilkat.OAuth2.new()
oauth2.access_token = "FACEBOOK-ACCESS-TOKEN"
local rest = chilkat.Rest.new()
-- Connect to Facebook and send the following GET request:
local success = rest:connect("graph.facebook.com", 443, true, true)
if not success then
print(rest.last_error_text)
return
end
-- Provide the authentication credentials (i.e. the access key)
rest:set_auth_oauth2(oauth2)
-- We could limit the number of posts. The default limit is 25.
rest:add_query_param("limit", "5")
local responseJson = rest:full_request_no_body("GET", "/v2.7/me/feed")
if not rest.last_method_success then
print(rest.last_error_text)
return
end
local json = chilkat.JsonObject.new()
json.emit_compact = false
json:load(responseJson)
-- Show the JSON in human-readable format.
print(json:emit())
-- A sample JSON response is shown below.
-- This is the code to parse the JSON response.
local dtime = chilkat.DateTime.new()
local bLocalTime = true
local dt = chilkat.DtObj.new()
local i = 0
local numItems = json:size_of_array("data")
while i < numItems do
json.i = i
print("--- " .. i)
local message = json:string_of("data[i].message")
if json.last_method_success then
print("message: " .. message)
end
local story = json:string_of("data[i].story")
if json.last_method_success then
print("story: " .. story)
end
print("id: " .. json:string_of("data[i].id"))
-- We can load the created_time into a CkDateTime...
dtime:set_from_timestamp(json:string_of("data[i].created_time"))
dtime:to_dt_obj(bLocalTime, dt)
print(dt.month .. "/" .. dt.day .. "/" .. dt.year .. " " .. dt.hour .. ":" .. dt.minute)
i = i + 1
end
-- Finally, there are two paging URLs at the very bottom. Those can be accessed as shown:
local prevUrl = json:string_of("paging.previous")
print("URL for previous page: " .. prevUrl)
local nextUrl = json:string_of("paging.next")
print("URL for next page: " .. nextUrl)
-- -------------------------------------------------------------------
-- This is a sample JSON response..
-- {
-- "data": [
-- {
-- "message": "This is the first post.",
-- "created_time": "2016-09-28T14:36:45+0000",
-- "id": "12345678901234567_12345678900000001"
-- },
-- {
-- "message": "This is the 2nd post.",
-- "created_time": "2016-09-27T03:26:12+0000",
-- "id": "12345678901234567_12345678900000002"
-- },
-- {
-- "story": "John Doe shared Mary's post.",
-- "created_time": "2016-09-26T15:45:10+0000",
-- "id": "12345678901234567_12345678900000003"
-- },
-- {
-- "message": "https:\/\/www.somewebsite.org\/?ID=8158",
-- "created_time": "2016-09-26T02:29:20+0000",
-- "id": "12345678901234567_12345678900000004"
-- },
-- {
-- "message": "http:\/\/blog.somebody.com\/post\/123",
-- "created_time": "2016-09-26T02:02:56+0000",
-- "id": "12345678901234567_12345678900000005"
-- },
-- {
-- "story": "John Doe shared Bill's photo.",
-- "created_time": "2016-09-25T15:32:09+0000",
-- "id": "12345678901234567_12345678900000006"
-- },
-- {
-- "message": "Check this out...",
-- "story": "John Doe shared NPR Music's video.",
-- "created_time": "2016-09-25T14:54:52+0000",
-- "id": "12345678901234567_12345678900000007"
-- },
-- {
-- "message": "Yet another post...",
-- "created_time": "2016-09-24T17:21:30+0000",
-- "id": "12345678901234567_12345678900000008"
-- },
-- {
-- "message": "http:\/\/www.somewhere.com\/blahblahblah\/",
-- "created_time": "2016-09-23T22:20:29+0000",
-- "id": "12345678901234567_12345678900000009"
-- },
-- {
-- "message": "At Lincoln marsh ...",
-- "story": "John Doe added 2 new photos.",
-- "created_time": "2016-09-19T02:00:43+0000",
-- "id": "12345678901234567_12345678900000010"
-- },
-- {
-- "message": "I would've went for a swim had it not been for the sign",
-- "created_time": "2016-09-19T01:59:47+0000",
-- "id": "12345678901234567_12345678900000011"
-- },
-- {
-- "story": "John Doe shared Steve's video.",
-- "created_time": "2016-09-17T22:00:02+0000",
-- "id": "12345678901234567_12345678900000012"
-- },
-- {
-- "message": "Another sample message...",
-- "story": "John Doe shared XYZ's post.",
-- "created_time": "2016-09-17T14:13:16+0000",
-- "id": "12345678901234567_12345678900000013"
-- },
-- {
-- "message": "Hello World!",
-- "created_time": "2016-09-16T23:17:13+0000",
-- "id": "12345678901234567_12345678900000014"
-- },
-- {
-- "message": "https:\/\/www.youtube.com\/watch?v=xyz",
-- "created_time": "2016-09-15T04:13:02+0000",
-- "id": "12345678901234567_12345678900000015"
-- },
-- {
-- "story": "John Doe shared Emily's photo.",
-- "created_time": "2016-09-14T16:37:10+0000",
-- "id": "12345678901234567_12345678900000016"
-- },
-- {
-- "story": "John Doe shared Vincent's photo.",
-- "created_time": "2016-09-14T14:03:42+0000",
-- "id": "12345678901234567_12345678900000017"
-- },
-- {
-- "message": "https:\/\/www.chilkatsoft.com\/",
-- "created_time": "2016-09-14T02:29:37+0000",
-- "id": "12345678901234567_12345678900000018"
-- },
-- {
-- "message": "So cool! Marcus jamming with this 16 year old kid...",
-- "created_time": "2016-09-13T17:04:53+0000",
-- "id": "12345678901234567_12345678900000019"
-- },
-- {
-- "message": "Wow!",
-- "story": "John Doe shared Somebody's post.",
-- "created_time": "2016-09-13T14:11:18+0000",
-- "id": "12345678901234567_12345678900000020"
-- }
-- ],
-- "paging": {
-- "previous": "https:\/\/graph.facebook.com\/v2.7\/12345678901234567\/feed?since=1475073405&limit=25&__paging_token=enc_abcT9x9GFabcTxvnyXZC0xnHZCrH2h4yjNZCZAUabcZAI9TyZBibwat6wCYiSFTxR4nSDZAkzaN8vIaEPmqrabc1QTIbGac&__previous=1",
-- "next": "https:\/\/graph.facebook.com\/v2.7\/12345678901234567\/feed?limit=25&until=1473426350&__paging_token=enc_AdDFWabcYtV5ob6lFO8LZAMhm7LKCxntawqqabcZALyC8WZB8Th2lON7HGuJRabzW6Ivfm93LORIw9NNBuHpob7abcjh"
-- }
-- }
--