Set a Multipart Part Body from BinData

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Demonstrates Rest.SetMultipartBodyBd, which sets the binary body of the selected multipart part from a BinData.

The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    const rest = try chilkat.Rest.init();
    defer rest.deinit();
    const b_tls = true;
    const b_auto_reconnect = true;
    rest.connect("example.com", 443, b_tls, b_auto_reconnect) catch {
        std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
        return;
    };

    // The file paths are relative to the application's current working directory.  Absolute paths
    // may also be used.  Supply the paths appropriate to your own environment.

    // Select the multipart part to build, and set its header fields.
    rest.setPartSelector("1");
    rest.addHeader("Content-Disposition", "form-data; name=\"field1\"") catch {};
    rest.addHeader("Content-Type", "image/png") catch {};

    // Set the binary body of the selected part from a BinData.
    const bd_body = try chilkat.BinData.init();
    defer bd_body.deinit();
    bd_body.loadFile("qa_data/image.png") catch {
        std.debug.print("Failed to load the part body file.\n", .{});
        return;
    };

    rest.setMultipartBodyBd(bd_body) catch {
        std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
        return;
    };

    const response_text = rest.fullRequestMultipart(alloc, "POST", "/api/upload") catch {
        std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("{s}\n", .{response_text});
}