Zig Requires Chilkat v11.0.0+
Zig
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 Zig Downloads
const std = @import("std");
const chilkat = @import("chilkat");
pub fn main(init: std.process.Init) !void {
const alloc = init.arena.allocator();
// 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
const oauth2 = try chilkat.OAuth2.init();
defer oauth2.deinit();
oauth2.setAccessToken("FACEBOOK-ACCESS-TOKEN");
const rest = try chilkat.Rest.init();
defer rest.deinit();
// Connect to Facebook and send the following GET request:
rest.connect("graph.facebook.com", 443, true, true) catch {
std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
return;
};
// Provide the authentication credentials (i.e. the access key)
rest.setAuthOAuth2(oauth2) catch {};
// We could limit the number of posts. The default limit is 25.
rest.addQueryParam("limit", "5") catch {};
const response_json = rest.fullRequestNoBody(alloc, "GET", "/v2.7/me/feed") catch {
std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
return;
};
const json = try chilkat.JsonObject.init();
defer json.deinit();
json.setEmitCompact(false);
json.load(response_json) catch {};
// Show the JSON in human-readable format.
std.debug.print("{s}\n", .{try json.emit(alloc)});
// A sample JSON response is shown below.
// This is the code to parse the JSON response.
const dtime = try chilkat.DateTime.init();
defer dtime.deinit();
const b_local_time = true;
const dt = try chilkat.DtObj.init();
defer dt.deinit();
var i: i32 = 0;
const num_items = json.sizeOfArray("data");
while (i < num_items) {
json.setI(i);
std.debug.print("--- {d}\n", .{i});
if (json.stringOf(alloc, "data[i].message")) |message| {
std.debug.print("message: {s}\n", .{message});
} else |_| {}
if (json.stringOf(alloc, "data[i].story")) |story| {
std.debug.print("story: {s}\n", .{story});
} else |_| {}
std.debug.print("id: {s}\n", .{try json.stringOf(alloc, "data[i].id")});
// We can load the created_time into a CkDateTime...
dtime.setFromTimestamp(try json.stringOf(alloc, "data[i].created_time")) catch {};
dtime.toDtObj(b_local_time, dt);
std.debug.print("{d}/{d}/{d} {d}:{d}\n", .{ dt.getMonth(), dt.getDay(), dt.getYear(), dt.getHour(), dt.getMinute() });
i = i + 1;
}
// Finally, there are two paging URLs at the very bottom. Those can be accessed as shown:
const prev_url = try json.stringOf(alloc, "paging.previous");
std.debug.print("URL for previous page: {s}\n", .{prev_url});
const next_url = try json.stringOf(alloc, "paging.next");
std.debug.print("URL for next page: {s}\n", .{next_url});
// -------------------------------------------------------------------
// 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"
// }
// }
//
}