Create Bins (Bulk)

var session = await P21Session.CreateAsync(
    "https://play.p21server.com", "api_user", "password");

const string CompanyId = "ACME";
const string LocationId = "10";
var newBinIds = new[] { "A01-02-01", "A01-02-02", "A01-02-03", "A01-02-04" };

// Constants cloned from a "twin" bin of the same bin_type at this location.
// Flags come back Y/N from the database — convert to ON/OFF for the form.
var twin = new (string Name, string Value)[]
{
    ("bin_type", "SHELF"),
    ("putaway_zone_id", "ZONE-A"), ("pick_zone_id", "ZONE-A"),
    ("bin_length", "10"), ("bin_width", "10"), ("bin_height", "11"),
    ("warehouse_sequence", "1"), ("putaway_zone_sequence", "1"), ("pick_zone_sequence", "1"),
    ("max_unique_items", "0"),
    ("pick_locked_flag", "OFF"), ("put_locked_flag", "OFF"),
    ("full_flag", "OFF"), ("frozen_flag", "OFF"),
    ("consolidation_bin_flag", "OFF"), ("stage_bin_flag", "OFF"), ("door_bin_flag", "OFF"),
};

JObject BuildBinTransaction(string binId)
{
    var edits = new JArray
    {
        new JObject { ["Name"] = "company_id", ["Value"] = CompanyId },
        new JObject { ["Name"] = "location_id", ["Value"] = LocationId },
        new JObject { ["Name"] = "bin_id", ["Value"] = binId },
    };
    foreach (var (name, value) in twin)
        edits.Add(new JObject { ["Name"] = name, ["Value"] = value });

    return new JObject
    {
        ["Status"] = "New",
        ["DataElements"] = new JArray
        {
            new JObject
            {
                ["Name"] = "FORM.form", ["Type"] = "Form",
                ["Keys"] = new JArray("company_id", "location_id", "bin_id"),
                ["Rows"] = new JArray(new JObject { ["Edits"] = edits }),
            }
        },
    };
}

// Skip-existing check via the p21_view_bin view (raw bin table isn't always in OData)
var existingResp = await session.Http.GetAsync(
    "https://play.p21server.com/odataservice/odata/view/p21_view_bin" +
    $"?$filter=location_id eq {LocationId}&$select=bin_id");
existingResp.EnsureSuccessStatusCode();
var existing = JObject.Parse(await existingResp.Content.ReadAsStringAsync())["value"]!
    .Select(r => (string)r["bin_id"]!).ToHashSet();

var toCreate = newBinIds.Where(b => !existing.Contains(b)).ToList();
Console.WriteLine($"{newBinIds.Length - toCreate.Count} already exist, creating {toCreate.Count}");

const int BatchSize = 20; // tens of transactions per POST is fine and fast
foreach (var batch in toCreate.Chunk(BatchSize))
{
    var payload = new JObject
    {
        ["Name"] = "BinLocation",
        ["UseCodeValues"] = false,
        ["IgnoreDisabled"] = true, // TOP LEVEL — inside a Transaction it is silently ignored
        ["Transactions"] = new JArray(batch.Select(BuildBinTransaction)),
    };
    var resp = await session.Http.PostAsync(
        $"{session.UiServer}/api/v2/transaction",
        new StringContent(payload.ToString(), Encoding.UTF8, "application/json"));
    resp.EnsureSuccessStatusCode();
    var result = JObject.Parse(await resp.Content.ReadAsStringAsync());

    Console.WriteLine($"Succeeded={result["Summary"]!["Succeeded"]}, " +
                      $"Failed={result["Summary"]!["Failed"]}");
    if ((int)result["Summary"]!["Failed"]! > 0)
        foreach (var msg in result["Messages"] as JArray ?? new JArray())
            Console.WriteLine($"  {msg}");

    // Transactions pass/fail independently — check each one
    var txns = result["Results"]?["Transactions"] as JArray ?? new JArray();
    foreach (var (binId, txn) in batch.Zip(txns))
        if ((string?)txn["Status"] != "Passed")
            Console.WriteLine($"  FAILED: {binId}");
}

// Read back every created bin through p21_view_bin (mirrors the Verify section)
foreach (var binId in toCreate)
{
    var checkResp = await session.Http.GetAsync(
        "https://play.p21server.com/odataservice/odata/view/p21_view_bin" +
        $"?$filter=location_id eq {LocationId} and bin_id eq '{binId}'");
    checkResp.EnsureSuccessStatusCode();
    var found = JObject.Parse(await checkResp.Content.ReadAsStringAsync())["value"]!.Any();
    Console.WriteLine($"{binId}: {(found ? "found" : "MISSING")}");
}