Zig Requires Chilkat v11.0.0+

Get the Photos for a User

See more Facebook Examples

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

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.
    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 {};

    // Indicate that we only want the photos the user has personally uploaded.
    rest.addQueryParam("type", "uploaded") catch {};

    // We could limit the number of photos by setting a limit.
    rest.addQueryParam("limit", "5") catch {};

    // 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.
    const response_json = rest.fullRequestNoBody(alloc, "GET", "/v2.7/me/photos") 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 {};
    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].name")) |name| {
            std.debug.print("name: {s}\n", .{name});
        } 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;
    }

    // We can get the paging information as follows:
    std.debug.print("URL for next page: {s}\n", .{try json.stringOf(alloc, "paging.next")});
    std.debug.print("before cursor: {s}\n", .{try json.stringOf(alloc, "paging.cursors.before")});
    std.debug.print("after cursor: {s}\n", .{try json.stringOf(alloc, "paging.cursors.after")});

    // 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"
    //   }
    // }
    //
}