### JavaScript/Node.js SAP Service Layer Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

This comprehensive example demonstrates how to set up a connection, authenticate, and perform common operations with the SAP Service Layer. It includes functions for login, logout, getting company info, listing customers, and creating sales orders. Use this as a starting point for your Node.js applications.

```javascript
const https = require('https');

const config = {
  hostname: 'localhost',
  port: 50000,
  basePath: '/b1s/v2'
};

let sessionId = null;

// Helper function for requests
async function request(method, path, body = null) {
  return new Promise((resolve, reject) => {
    const options = {
      hostname: config.hostname,
      port: config.port,
      path: config.basePath + path,
      method: method,
      headers: {
        'Content-Type': 'application/json',
        'Accept': 'application/json'
      },
      rejectUnauthorized: false // Dev only! 
    };

    if (sessionId) {
      options.headers.Cookie = `B1SESSION=${sessionId}`;
    }

    const req = https.request(options, (res) => {
      let data = '';
      res.on('data', chunk => data += chunk);
      res.on('end', () => {
        try {
          resolve({
            status: res.statusCode,
            data: JSON.parse(data)
          });
        } catch (e) {
          resolve({
            status: res.statusCode,
            data: data
          });
        }
      });
    });

    req.on('error', reject);
    if (body) req.write(JSON.stringify(body));
    req.end();
  });
}

// Login
async function login(username, password, company) {
  const res = await request('POST', '/Login', {
    UserName: username,
    Password: password,
    CompanyDB: company,
    Language: 1
  });
  
  if (res.status === 200) {
    sessionId = res.data.SessionID;
    console.log('✅ Logged in:', res.data.UserID);
  } else {
    throw new Error('Login failed');
  }
}

// Logout
async function logout() {
  await request('POST', '/Logout');
  sessionId = null;
  console.log('✅ Logged out');
}

// Get company info
async function getCompanyInfo() {
  const res = await request('POST', '/CompanyService_GetCompanyInfo', {});
  return res.data;
}

// List customers
async function getCustomers(limit = 50) {
  const res = await request('GET', 
    `/BusinessPartners?$filter=CardType eq 'cCustomer'&$top=${limit}`);
  return res.data.value;
}

// Create sales order
async function createOrder(cardCode, items) {
  const res = await request('POST', '/SalesOrders', {
    CardCode: cardCode,
    DocDate: new Date().toISOString().split('T')[0],
    Lines: items
  });
  return res.data;
}

// Usage
(async () => {
  try {
    await login('manager', '1234', 'SBODemoUS');
    
    const company = await getCompanyInfo();
    console.log('Company:', company.CompanyName);
    
    const customers = await getCustomers(5);
    console.log('Customers:', customers.length);
    
    const order = await createOrder('C00001', [{
      ItemCode: 'A00001',
      Quantity: 10,
      UnitPrice: 99.99,
      WarehouseCode: '01'
    }]);
    console.log('Order created:', order.DocumentNumber);
    
    await logout();
  } catch (error) {
    console.error('Error:', error.message);
  }
})();

```

--------------------------------

### HTTP Request Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

An example of a GET request including common required and optional headers.

```http
GET /b1s/v2/CompanyService_GetCompanyInfo HTTP/1.1
Host: localhost:50000
Content-Type: application/json
Accept: application/json
Cookie: B1SESSION=e30e77d8-2b7d-4f7e-ab12-3c4d5e6f7a8b
User-Agent: MyClient/1.0
```

--------------------------------

### Query and Filtering Examples

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Examples demonstrating how to query and filter data for various business objects.

```APIDOC
## Query and Filtering Examples

### Example 1: List Open Sales Orders for Specific Customer
```
GET /b1s/v2/SalesOrders?
  $filter=CardCode eq 'C00001' and DocStatus eq 'O'
  &$select=DocumentNumber,DocDate,Total
  &$orderby=DocDate desc
```

### Example 2: Find Items Below Reorder Point
```
GET /b1s/v2/Items?
  $filter=InStock lt ReorderPoint and InventoryItem eq true
  &$select=ItemCode,ItemName,InStock,ReorderPoint
  &$top=50
```

### Example 3: Get Recent Approval Requests
```
POST /b1s/v2/ApprovalRequestsService_GetApprovalRequestList
{
  "DocumentType": "SalesOrder",
  "Status": "Pending"
}
```

### Example 4: Retrieve Business Partner Contact Info
```
GET /b1s/v2/BusinessPartners?
  $filter=CardType eq 'cCustomer' and Active eq true
  &$select=CardCode,CardName,Phone,Email,City
  &$expand=BPAddresses
  &$top=20
```
```

--------------------------------

### URL Structure Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/endpoints.md

Illustrates the base URL pattern for SAP Service Layer OData endpoints and provides examples for GET and POST requests.

```text
https://<host>:<port>/b1s/v2/{ServiceName}_{OperationName}
```

```text
GET https://localhost:50000/b1s/v2/CompanyService_GetCompanyInfo
POST https://localhost:50000/b1s/v2/SalesOrdersService_GetSalesOrderList
```

--------------------------------

### OData Pagination Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Example of using $top and $skip parameters for paginating results, retrieving a specific number of records starting from a certain position.

```odata
$top=50&$skip=100
```

--------------------------------

### Example SAP Service Layer API Calls

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/overview.md

Illustrates example GET and POST requests to specific SAP Service Layer API endpoints.

```http
GET /b1s/v2/AccountCategoryService_GetCategoryList
```

```http
POST /b1s/v2/CompanyService_GetCompanyInfo
```

--------------------------------

### Get Company Information Response Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Example response structure for retrieving company information, detailing fields like company name, database, currency, fiscal year, and bank accounts.

```json
{
  "CompanyName": "My Company",
  "CompanyDB": "SBODemoUS",
  "LogoFile": "logo.bmp",
  "LogoFileSize": 5000,
  "CurrencyCode": "USD",
  "FiscalYear": 2024,
  "AccumulatedDepreciation": true,
  "InterimClosingPeriod": 3,
  "BankAccounts": [
    {
      "BankAccountID": "1",
      "BankName": "First Bank",
      "AccountNumber": "123456789",
      "AccountCurrency": "USD"
    }
  ]
}
```

--------------------------------

### Example JSON Response for Change Log

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

This is an example of the JSON structure returned when querying for system changes.

```json
{
  "value": [
    {
      "LogID": 1001,
      "ObjectType": "SalesOrder",
      "ObjectKey": "50001",
      "Operation": "Update",
      "CreatedBy": "manager",
      "CreatedDate": "2024-06-30T14:30:00Z",
      "FieldName": "DocStatus",
      "OldValue": "Draft",
      "NewValue": "Open"
    }
  ]
}
```

--------------------------------

### Example Connection URLs

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

These are example URLs for connecting to the SAP Service Layer. Ensure you replace placeholders with your actual server details.

```text
https://localhost:50000/b1s/v2/
```

```text
https://sap-server.example.com:50000/b1s/v2/
```

```text
https://192.168.1.100:50000/b1s/v2/
```

--------------------------------

### 404 Not Found - Resource Not Found Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/errors.md

An example of a 'Not Found' error when a requested resource does not exist. Verify the resource ID and endpoint path.

```json
{
  "error": {
    "code": "RESOURCE_NOT_FOUND",
    "message": {
      "lang": "en-us",
      "value": "Sales order with ID 99999 not found"
    }
  }
}
```

--------------------------------

### Create Pattern

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/README.md

Example of how to create a new record, such as a Sales Order.

```APIDOC
## Create Pattern

### Description
Shows the structure for creating a new record, using Sales Orders as an example.

### Method
POST

### Endpoint
/b1s/v2/{ServiceName}

### Request Body
- **CardCode** (string) - Required - The business partner code.
- **DocDate** (string) - Required - The document date in YYYY-MM-DD format.
- **Lines** (array) - Required - An array of line items for the document.

### Request Example
```json
{
  "CardCode": "C00001",
  "DocDate": "2024-06-30",
  "Lines": [
    // ... line item details ...
  ]
}
```
```

--------------------------------

### OData Count Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Example of using the $count parameter to retrieve the total number of records that match the query.

```odata
$count=true
```

--------------------------------

### Query Sales Orders with Filters

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/README.md

Example of a GET request to retrieve sales orders based on specific criteria like document status and card code. Use $select to specify returned fields and $orderby for sorting.

```http
GET /b1s/v2/SalesOrders?
  $filter=DocStatus eq 'O' and CardCode eq 'C00001'
  &$select=DocumentNumber,DocDate,Total
  &$orderby=DocDate desc
  &$top=50
```

--------------------------------

### OData Expand Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Example of using the $expand parameter to include related records in the response.

```odata
$expand=Items,Activities
```

--------------------------------

### OData Select Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Example of using the $select parameter to retrieve only specific columns.

```odata
$select=ID,Name,Email
```

--------------------------------

### OData Filter Examples

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Examples demonstrating how to filter data using various operators like 'eq', 'gt', 'startswith', and 'contains'.

```odata
$filter=Name eq 'John'
```

```odata
$filter=Amount gt 1000 and Status eq 'Open'
```

```odata
$filter=startswith(Code, 'A')
```

--------------------------------

### OData Batch Request Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Demonstrates how to group multiple OData operations into a single batch request for efficiency.

```http
POST /b1s/v2/$batch HTTP/1.1

--batch_boundary
Content-Type: application/http

GET /b1s/v2/BusinessPartners(1) HTTP/1.1

--batch_boundary
Content-Type: application/http

POST /b1s/v2/SalesOrders HTTP/1.1
Content-Type: application/json

{...}

--batch_boundary--
```

--------------------------------

### Sales Order Response Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Example JSON response structure for listing sales orders, including document details and status.

```json
{
  "@odata.context": "https://localhost:50000/b1s/v2/$metadata#SalesOrders",
  "value": [
    {
      "DocumentEntry": 1,
      "DocumentNumber": 50001,
      "DocumentDate": "2024-06-30",
      "CustomerCode": "C00001",
      "CustomerName": "ACME Corp",
      "Total": 5000.00,
      "DocStatus": "O"
    }
  ]
}
```

--------------------------------

### Decimal Data Type Examples

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Examples of decimal data for numbers with configurable precision, used for monetary values and percentages.

```json
"Amount": 1234.56
"UnitPrice": 99.99
"Discount": 0.10
```

--------------------------------

### String Data Type Examples

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Examples of string data used for text fields like names, descriptions, and codes.

```json
"Name": "John Smith"
"Description": "This is a description"
"Code": "ABC123"
```

--------------------------------

### OData Orderby Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Example of using the $orderby parameter to sort results by one or more fields in ascending or descending order.

```odata
$orderby=Name asc,CreatedDate desc
```

--------------------------------

### Query Pattern

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/README.md

Example of how to query data using filters, selections, ordering, and top limits.

```APIDOC
## Query Pattern

### Description
Demonstrates how to query data from a service, including filtering, selecting specific fields, ordering results, and limiting the number of records returned.

### Method
GET

### Endpoint
/b1s/v2/{ServiceName}

### Parameters
#### Query Parameters
- **$filter** (string) - Optional - Filters the results based on specified conditions.
- **$select** (string) - Optional - Specifies which fields to include in the response.
- **$orderby** (string) - Optional - Orders the results by one or more fields.
- **$top** (integer) - Optional - Limits the number of records returned.

### Request Example
```
GET /b1s/v2/SalesOrders?
  $filter=DocStatus eq 'O' and CardCode eq 'C00001'
  &$select=DocumentNumber,DocDate,Total
  &$orderby=DocDate desc
  &$top=50
```
```

--------------------------------

### Integer Data Type Examples

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Examples of integer data for whole numbers, including negative values, used for identifiers and quantities.

```json
"ID": 1
"Quantity": 100
"LineNumber": -5
```

--------------------------------

### CompanyService_GetCompanyInfo

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/endpoints.md

Retrieves company-wide configuration and settings. This operation provides details about the company's setup.

```APIDOC
## POST /b1s/v2/CompanyService_GetCompanyInfo

### Description
Retrieves company-wide configuration and settings.

### Method
POST

### Endpoint
/b1s/v2/CompanyService_GetCompanyInfo

### Parameters

### Request Body

### Request Example

### Response

#### Success Response (200)

#### Response Example

```

--------------------------------

### Action Pattern

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/README.md

Example of how to invoke an action on a specific document, like cancelling a Sales Order.

```APIDOC
## Action Pattern

### Description
Demonstrates how to invoke an action on a specific document, such as cancelling a Sales Order.

### Method
POST

### Endpoint
/b1s/v2/{ServiceName}_CancelDocument

### Request Body
- **DocumentEntry** (integer) - Required - The entry number of the document to act upon.
- **Memo** (string) - Optional - A memo or reason for the action.

### Request Example
```json
{
  "DocumentEntry": 1,
  "Memo": "Cancellation reason"
}
```
```

--------------------------------

### Percentage Data Type Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Represents percentages as decimal values between 0 and 100. Examples include discount percentages, tax rates, and commission percentages.

```json
{
  "DiscountPercent": 10.50,
  "TaxRate": 19.00,
  "CommissionPercent": 5.25
}
```

--------------------------------

### Create Customer Invoice Response (JSON)

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Example response upon successful creation of a customer invoice. It includes the DocumentEntry and DocumentNumber for reference.

```json
{
  "@odata.context": "https://localhost:50000/b1s/v2/$metadata#Invoices/$entity",
  "DocumentEntry": 10,
  "DocumentNumber": 20001,
  "DocStatus": "O",
  "DocumentLines": [
    {
      "LineNumber": 1,
      "ItemCode": "A00001",
      "Quantity": 5,
      "UnitPrice": 99.99,
      "TaxAmount": 95.00,
      "LineTotal": 594.95
    }
  ],
  "DocumentTotal": 594.95
}
```

--------------------------------

### Price List Type Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

An example of the Price List Type complex structure, used for sales and purchase pricing details.

```json
{
  "PriceListID": 1,
  "PriceListName": "Retail",
  "Currency": "USD",
  "UnitPrice": 99.99,
  "DiscountPercent": 10.0,
  "DiscountAmount": 10.00,
  "FinalPrice": 89.99,
  "ValidFrom": "2024-01-01",
  "ValidTo": "2024-12-31",
  "IsActive": true
}
```

--------------------------------

### User-Defined Fields (UDF) Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Illustrates the structure for custom fields defined by users. Field names are prefixed with 'U_' and types vary based on configuration.

```json
{
  "U_CustomField1": "Value",
  "U_CustomNumber": 123,
  "U_CustomDate": "2024-06-30",
  "U_CustomCheck": true
}
```

--------------------------------

### Date Data Type Examples

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Examples of Date data in ISO 8601 format, used for document dates and validity periods.

```json
"DocumentDate": "2024-06-30"
"DeliveryDate": "2024-07-15"
"ExpiryDate": "2025-06-30"
```

--------------------------------

### Address Type Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

An example of the Address Type complex structure, used in business partner and sales/purchase documents.

```json
{
  "AddressType": "bo_BillTo",
  "StreetNo": "123",
  "StreetName": "Main Street",
  "Building": "Building A",
  "ZipCode": "12345",
  "City": "New York",
  "State": "NY",
  "Country": "US",
  "County": "New York",
  "Block": "Block 1",
  "Nullable": false
}
```

--------------------------------

### CashDiscountsService - Query Cash Discounts

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/endpoints.md

Use POST to query cash discounts. GET is available for listing them. Supports create, update, and delete operations.

```http
POST /b1s/v2/CashDiscountsService_GetList
```

--------------------------------

### Item Master Data Response Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Example JSON response structure for a retrieved item master record, including details like item code, name, pricing, and inventory status.

```JSON
{
  "value": [
    {
      "ItemCode": "A00001",
      "ItemName": "Product 1",
      "ItemType": "itItem",
      "BasePrice": 99.99,
      "UnitOfMeasure": "PC",
      "Inventory": true,
      "SalesItem": true,
      "PurchaseItem": true,
      "InStock": 500.00,
      "ReorderPoint": 100.00,
      "ItemClass": "F",
      "WarehouseDetails": [
        {
          "WarehouseCode": "01",
          "Quantity": 500.00,
          "InStock": 500.00
        }
      ]
    }
  ]
}
```

--------------------------------

### DateTime Data Type Examples

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Examples of DateTime data in ISO 8601 format with timezone information, used for creation and modification timestamps.

```json
"CreatedDate": "2024-06-30T14:30:00Z"
"LastModifiedDate": "2024-06-30T14:30:00Z"
"PostingDate": "2024-06-30T00:00:00Z"
```

--------------------------------

### Example Response for Pending Approval Requests

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

This is an example response structure for pending approval requests, showing details like ApproverId, DocumentType, Status, and dates.

```json
{
  "value": [
    {
      "ApproverId": 1,
      "DocumentType": "SalesOrder",
      "DocumentKey": "50001",
      "Status": "Pending",
      "RequestDate": "2024-06-30",
      "DueDate": "2024-07-03"
    }
  ]
}
```

--------------------------------

### OData Resource Paths

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

Examples of OData resource paths for querying and invoking actions on various SAP Service Layer entities.

```text
GET  /b1s/v2/SalesOrders
GET  /b1s/v2/SalesOrders(1)
POST /b1s/v2/SalesOrders_CancelDocument
GET  /b1s/v2/BusinessPartners?$filter=CardType eq 'cCustomer'
```

--------------------------------

### Create Sales Order Response

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Example JSON response upon successful creation of a sales order, including its entry, number, and status.

```json
{
  "@odata.context": "https://localhost:50000/b1s/v2/$metadata#SalesOrders/$entity",
  "DocumentEntry": 2,
  "DocumentNumber": 50002,
  "DocStatus": "O"
}
```

--------------------------------

### Configure HTTP Proxy Agent

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Use this snippet to configure an HTTP proxy for requests. Ensure the 'http-proxy-agent' module is installed.

```javascript
const httpProxy = require('http-proxy-agent');
const httpsProxy = require('https-proxy-agent');

const agent = new httpsProxy('http://proxy.company.com:3128');
```

--------------------------------

### 403 Forbidden - Insufficient Permissions Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/errors.md

Demonstrates a 'Forbidden' error when the authenticated user lacks the necessary permissions. Contact an administrator to resolve permission issues.

```json
{
  "error": {
    "code": "INSUFFICIENT_PERMISSIONS",
    "message": {
      "lang": "en-us",
      "value": "User does not have permission to create sales orders"
    }
  }
}
```

--------------------------------

### Get Customer List with Filters

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

Retrieves a list of customers with specified filters for type, active status, and selected fields. Includes pagination.

```bash
curl -X GET "https://localhost:50000/b1s/v2/BusinessPartners?
  $filter=CardType eq 'cCustomer' and Active eq true
  &$select=CardCode,CardName,Phone,Email
  &$top=50" \
  -H "Cookie: B1SESSION=$SESSION_ID"
```

--------------------------------

### EntityCollection Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Standard OData response structure for collections of multiple records. Includes metadata and the array of entities.

```json
{
  "@odata.context": "https://localhost:50000/b1s/v2/$metadata#Items",
  "value": [
    { /* Item 1 */ },
    { /* Item 2 */ },
    { /* Item 3 */ }
  ],
  "@odata.count": 150
}
```

--------------------------------

### Empty Response Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Represents an OData response when no data is found or applicable. The 'value' property is null.

```json
{
  "@odata.context": "https://localhost:50000/b1s/v2/$metadata#Edm.String",
  "value": null
}
```

--------------------------------

### POST Request Body Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/endpoints.md

POST requests for actions typically require a JSON payload. Ensure all properties and nested objects are correctly formatted.

```json
{
  "PropertyName1": "value1",
  "PropertyName2": 123,
  "ComplexProperty": {
    "NestedProperty": "value"
  }
}
```

--------------------------------

### List Sales Orders with Filtering

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Retrieve a list of sales orders using query parameters for filtering, sorting, and pagination. Example uses $filter, $orderby, and $top.

```http
$filter=DocStatus eq 'O'&$orderby=DocDate desc&$top=50&$skip=0
```

--------------------------------

### AccountCategoryService - Query Account Categories

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/endpoints.md

Use POST to query account categories. GET is available for retrieving a list.

```http
POST /b1s/v2/AccountCategoryService_GetCategoryList
```

--------------------------------

### JSON NULL Handling Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Demonstrates the use of null for optional fields in JSON requests and responses. Null indicates a field is not set or has no value.

```json
{
  "OptionalField": null,
  "RequiredField": "value"
}
```

--------------------------------

### Get Company Information

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

Make a basic API call to retrieve company information using the obtained SessionID. This confirms a successful connection.

```bash
curl -X POST https://localhost:50000/b1s/v2/CompanyService_GetCompanyInfo \
  -H "Content-Type: application/json" \
  -H "Cookie: B1SESSION=e30e77d8-2b7d-4f7e-ab12-3c4d5e6f7a8b" \
  -d '{}'
```

--------------------------------

### 400 Bad Request - Missing Required Field Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/errors.md

Illustrates a 'Bad Request' error due to a missing required field. Ensure all mandatory fields are present in the request.

```json
{
  "error": {
    "code": "MISSING_REQUIRED_FIELD",
    "message": {
      "lang": "en-us",
      "value": "Field 'DocumentDate' is required"
    }
  }
}
```

--------------------------------

### Quantity with Unit Data Type Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Used for inventory items, this type includes a quantity and its unit of measure. Common units are PC (Piece), BOX (Box), KG (Kilogram), LTR (Liter), M (Meter), HR (Hour), and DAY (Day).

```json
{
  "Quantity": 100,
  "UnitOfMeasure": "PC",
  "UnitOfMeasureGroupCode": "TIME"
}
```

--------------------------------

### Get Company Information Request

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Use this snippet to retrieve complete company information, including settings, banking details, and configuration. The request body is empty.

```json
{}
```

--------------------------------

### AccountsService - Create Opening Balance

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/endpoints.md

Use POST to create an opening balance for accounts, requiring GL accounts and an opening balance date.

```http
POST /b1s/v2/AccountsService_CreateOpenBalance
```

--------------------------------

### Filtering Type Specifications Examples

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Examples of using type-specific operators in $filter expressions for various data types.

```odata
Code eq 'A0001'
```

```odata
Quantity gt 100
```

```odata
Amount le 1000.50
```

```odata
IsActive eq true
```

```odata
CreatedDate gt 2024-01-01
```

```odata
DocumentDate eq 2024-06-30
```

--------------------------------

### Boolean Data Type Examples

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Examples of boolean data representing true or false values for flags and status indicators.

```json
"IsActive": true
"IsPrinted": false
"IsApproved": true
```

--------------------------------

### Retrieve System Changes with Filters

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Use this endpoint to retrieve a list of all system changes. You can filter by object type and creator, and order the results by creation date. The `$top` parameter limits the number of results.

```http
GET /b1s/v2/ChangeLogsService_GetList
$filter=ObjectType eq 'SalesOrder' and CreatedBy eq 'manager'
&$orderby=CreatedDate desc&$top=100
```

--------------------------------

### Dimension Type Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

An example of the Dimension Type complex structure, used for tracking document dimensions like profit centers.

```json
{
  "DimensionID": "ProfitCenter",
  "DimensionValue": "PC-001",
  "DimensionName": "Profit Center 1"
}
```

--------------------------------

### Python Client Configuration

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Configuration dictionary for the Python client library. Set 'verify_ssl' to True in production environments.

```python
config = {
    'service_url': 'https://localhost:50000/b1s/v2/',
    'username': 'manager',
    'password': '1234',
    'company': 'SBODemoUS',
    'verify_ssl': True
}
```

--------------------------------

### Tax Information Type Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

An example of the Tax Information Type complex structure, used in document line items for tax calculations.

```json
{
  "TaxID": 1,
  "TaxCode": "VAT",
  "TaxRate": 19.0,
  "TaxAmount": 190.00,
  "TaxableAmount": 1000.00,
  "TaxType": "Output"
}
```

--------------------------------

### AccountsService_CreateOpenBalance

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/endpoints.md

Creates an opening balance for accounts, including GL accounts and an opening balance date.

```APIDOC
## POST /b1s/v2/AccountsService_CreateOpenBalance

### Description
Create opening balance for accounts with GL accounts and opening balance date.

### Method
POST

### Endpoint
/b1s/v2/AccountsService_CreateOpenBalance
```

--------------------------------

### Enable Gzip Compression Header

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Includes the 'Accept-Encoding' header to request compressed responses from the server, reducing bandwidth usage.

```plaintext
Accept-Encoding: gzip, deflate
```

--------------------------------

### Create Order

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Creates a new sales order with specified customer, date, lines, and other details.

```APIDOC
## POST /b1s/v2/SalesOrders

### Description
Create new sales order.

### Method
POST

### Endpoint
/b1s/v2/SalesOrders

### Parameters
#### Request Body
- **CardCode** (string) - Required - Customer code.
- **DocDate** (date) - Required - Document date.
- **DeliveryDate** (date) - Optional - Expected delivery date.
- **Lines** (array) - Required - Line items (min 1).
  - **ItemCode** (string) - Required - Item code.
  - **Quantity** (number) - Required - Quantity of the item.
  - **UnitPrice** (number) - Required - Unit price of the item.
  - **WarehouseCode** (string) - Required - Code of the warehouse.
- **Comments** (string) - Optional - Order comments.
- **DocCurrency** (string) - Optional - Currency code.

### Request Example
{
  "CardCode": "C00001",
  "DocDate": "2024-06-30",
  "DeliveryDate": "2024-07-15",
  "Lines": [
    {
      "ItemCode": "A00001",
      "Quantity": 10,
      "UnitPrice": 99.99,
      "WarehouseCode": "01"
    }
  ],
  "Comments": "Expedite delivery",
  "DocCurrency": "USD"
}

### Response
#### Success Response (201 Created)
- **@odata.context** (string) - Metadata context URL.
- **DocumentEntry** (integer) - Unique identifier for the newly created document.
- **DocumentNumber** (integer) - The sales order number.
- **DocStatus** (string) - The status of the document (e.g., 'O' for Open).

#### Response Example
{
  "@odata.context": "https://localhost:50000/b1s/v2/$metadata#SalesOrders/$entity",
  "DocumentEntry": 2,
  "DocumentNumber": 50002,
  "DocStatus": "O"
}
```

--------------------------------

### Create New Customer

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

Creates a new customer record in the system with the provided details.

```APIDOC
## POST /b1s/v2/BusinessPartners

### Description
Creates a new business partner record, specifically a customer, with the provided details including CardCode, CardName, CardType, Phone, and Email.

### Method
POST

### Endpoint
/b1s/v2/BusinessPartners

### Parameters
#### Request Body
- **CardCode** (string) - Required - The unique code for the business partner.
- **CardName** (string) - Required - The name of the business partner.
- **CardType** (string) - Required - The type of business partner (e.g., 'cCustomer').
- **Phone** (string) - Optional - The phone number of the business partner.
- **Email** (string) - Optional - The email address of the business partner.

### Request Example
```json
{
  "CardCode": "C99999",
  "CardName": "New Customer Inc",
  "CardType": "cCustomer",
  "Phone": "+1-555-0123",
  "Email": "contact@newcust.com"
}
```

### Request Example (curl)
```bash
curl -X POST https://localhost:50000/b1s/v2/BusinessPartners \
  -H "Content-Type: application/json" \
  -H "Cookie: B1SESSION=$SESSION_ID" \
  -d 
'{ 
  "CardCode": "C99999",
  "CardName": "New Customer Inc",
  "CardType": "cCustomer",
  "Phone": "+1-555-0123",
  "Email": "contact@newcust.com"
}'
```
```

--------------------------------

### Get Pending Approvals

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

Retrieves a list of open approval requests that are pending action.

```APIDOC
## POST /b1s/v2/ApprovalRequestsService_GetOpenApprovalRequestList

### Description
Fetches a list of all open approval requests that are currently awaiting action or review.

### Method
POST

### Endpoint
/b1s/v2/ApprovalRequestsService_GetOpenApprovalRequestList

### Parameters
#### Request Body
This endpoint does not require any specific parameters in the request body; an empty JSON object is sent.

### Request Example
```json
{}
```

### Request Example (curl)
```bash
curl -X POST https://localhost:50000/b1s/v2/ApprovalRequestsService_GetOpenApprovalRequestList \
  -H "Content-Type: application/json" \
  -H "Cookie: B1SESSION=$SESSION_ID" \
  -d 
'{}'
```
```

--------------------------------

### Color Data Type Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/data-types.md

Represents color using either an RGB hex code or a named color.

```json
{
  "ColorCode": "FF0000",
  "ColorName": "Red"
}
```

--------------------------------

### Create Sales Order

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

Create a new sales order by sending a POST request with the necessary order details, including customer code, date, and line items. The SessionID must be provided in the Cookie header.

```bash
curl -X POST https://localhost:50000/b1s/v2/SalesOrders \
  -H "Content-Type: application/json" \
  -H "Cookie: B1SESSION=e30e77d8-2b7d-4f7e-ab12-3c4d5e6f7a8b" \
  -d '{
    "CardCode": "C00001",
    "DocDate": "2024-06-30",
    "Lines": [
      {
        "ItemCode": "A00001",
        "Quantity": 10,
        "UnitPrice": 99.99,
        "WarehouseCode": "01"
      }
    ]
  }'
```

--------------------------------

### Configure Connection Pooling

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Sets up a persistent connection pool using Node.js 'https.Agent' for improved performance by reusing connections.

```javascript
const agent = new https.Agent({
  keepAlive: true,
  maxSockets: 50,
  maxFreeSockets: 10,
  timeout: 60000
});
```

--------------------------------

### BankChargesAllocationCodesService - Query Bank Charge Codes

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/endpoints.md

Use POST to query bank charge codes. GET is available for retrieving them.

```http
POST /b1s/v2/BankChargesAllocationCodesService_GetList
```

--------------------------------

### GeneralLedgerService - Query GL Accounts

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/endpoints.md

Use POST to query General Ledger accounts. GET is available for retrieving a list.

```http
POST /b1s/v2/GeneralLedgerService_GetList
```

--------------------------------

### List Open Orders for a Customer

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

Retrieves a list of open sales orders for a specific customer, ordered by document date in descending order.

```bash
curl -X GET "https://localhost:50000/b1s/v2/SalesOrders?
  $filter=CardCode eq 'C00001' and DocStatus eq 'O'
  &$orderby=DocDate desc" \
  -H "Cookie: B1SESSION=$SESSION_ID"
```

--------------------------------

### Get Pending Approvals

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

Retrieves a list of open approval requests. This is an action that requires a POST request with an empty JSON body.

```bash
curl -X POST https://localhost:50000/b1s/v2/ApprovalRequestsService_GetOpenApprovalRequestList \
  -H "Content-Type: application/json" \
  -H "Cookie: B1SESSION=$SESSION_ID" \
  -d '{}'
```

--------------------------------

### Staging Environment Configuration

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Configuration object for the staging environment, using a staging server URL and info logging.

```javascript
const stagingConfig = {
  serviceUrl: 'https://staging-sap.example.com:50000/b1s/v2/',
  ssl: { rejectUnauthorized: true },
  timeout: 30000,
  logging: 'info'
};
```

--------------------------------

### 401 Unauthorized - Invalid Session Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/errors.md

Shows an 'Unauthorized' error indicating an invalid or expired session. Re-authenticate to obtain a new session ID.

```json
{
  "error": {
    "code": "INVALID_SESSION",
    "message": {
      "lang": "en-us",
      "value": "Session has expired. Please login again."
    }
  }
}
```

--------------------------------

### Get Item Inventory Levels

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

Retrieves inventory levels for items that are marked as inventory items. Selects specific fields and limits the results.

```bash
curl -X GET "https://localhost:50000/b1s/v2/Items?
  $filter=InventoryItem eq true
  &$select=ItemCode,ItemName,InStock,ReorderPoint
  &$top=100" \
  -H "Cookie: B1SESSION=$SESSION_ID"
```

--------------------------------

### Create New Customer

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

Creates a new customer record in the SAP system. Requires Content-Type and Cookie headers, and a JSON payload with customer details.

```bash
curl -X POST https://localhost:50000/b1s/v2/BusinessPartners \
  -H "Content-Type: application/json" \
  -H "Cookie: B1SESSION=$SESSION_ID" \
  -d '{ "CardCode": "C99999", "CardName": "New Customer Inc", "CardType": "cCustomer", "Phone": "+1-555-0123", "Email": "contact@newcust.com" }'
```

--------------------------------

### Test Filter Syntax

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/quick-start.md

Use simple filters first, then progressively complex ones. Ensure correct operators like 'eq' are used instead of '='.

```plaintext
Good:  CardType eq 'cCustomer'
Good:  Active eq true and CardType eq 'cCustomer'
Bad:   CardType = 'cCustomer' (use eq, not =)
Bad:   CardType 'cCustomer' (missing operator)
```

--------------------------------

### 405 Method Not Allowed Example

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/errors.md

Illustrates a 'Method Not Allowed' error when an unsupported HTTP method is used on an endpoint. Consult the API documentation for correct methods.

```json
{
  "error": {
    "code": "METHOD_NOT_ALLOWED",
    "message": {
      "lang": "en-us",
      "value": "PUT method not supported on this resource"
    }
  }
}
```

--------------------------------

### CompanyService_GetCompanyInfo

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Retrieves complete company information including settings, banking details, and configuration.

```APIDOC
## POST /b1s/v2/CompanyService_GetCompanyInfo

### Description
Retrieves complete company information including settings, banking details, and configuration.

### Method
POST

### Endpoint
/b1s/v2/CompanyService_GetCompanyInfo

### Request Example
```json
{}
```

### Response
#### Success Response (200)
- **CompanyName** (string) - Company legal name
- **CompanyDB** (string) - Database name
- **LogoFile** (string) - Logo filename
- **CurrencyCode** (string) - Default currency (USD, EUR, etc.)
- **FiscalYear** (integer) - Current fiscal year
- **BankAccounts** (array) - Configured bank accounts

#### Response Example
```json
{
  "CompanyName": "My Company",
  "CompanyDB": "SBODemoUS",
  "LogoFile": "logo.bmp",
  "LogoFileSize": 5000,
  "CurrencyCode": "USD",
  "FiscalYear": 2024,
  "AccumulatedDepreciation": true,
  "InterimClosingPeriod": 3,
  "BankAccounts": [
    {
      "BankAccountID": "1",
      "BankName": "First Bank",
      "AccountNumber": "123456789",
      "AccountCurrency": "USD"
    }
  ]
}
```
```

--------------------------------

### Create Item

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Create a new item in the system. Requires essential details like ItemCode, ItemName, and ItemType, with optional fields for pricing, classification, and inventory tracking.

```APIDOC
## POST /b1s/v2/Items

### Description
Create new item with pricing and classification.

### Method
POST

### Endpoint
/b1s/v2/Items

### Request Body
- **ItemCode** (string) - Required - Unique item identifier
- **ItemName** (string) - Required - Item description
- **ItemType** (string) - Optional - `itItem` (standard) or `itGroup`
- **UnitOfMeasure** (string) - Optional - e.g., PC, BOX, KG
- **BasePrice** (decimal) - Optional - Standard selling price
- **SalesItem** (boolean) - Optional - Available for sale
- **PurchaseItem** (boolean) - Optional - Can be purchased
- **InventoryItem** (boolean) - Optional - Tracked in inventory
- **ItemClass** (string) - Optional - Product classification
- **ItemGroupCode** (integer) - Optional - Item group code

### Request Example
```json
{
  "ItemCode": "B00001",
  "ItemName": "New Product",
  "ItemType": "itItem",
  "UnitOfMeasure": "BOX",
  "BasePrice": 49.99,
  "SalesItem": true,
  "PurchaseItem": true,
  "InventoryItem": true,
  "ItemClass": "F",
  "ItemGroupCode": 100
}
```
```

--------------------------------

### BankStatementsService - Query Bank Statements

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/endpoints.md

Use POST to query bank statements. GET is available for retrieving them. Supports management of bank statement reconciliation.

```http
POST /b1s/v2/BankStatementsService_GetList
```

--------------------------------

### Create Business Partner

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/common-services.md

Create a new customer or vendor. The request body must include essential fields like CardCode, CardName, CardType, and GroupCode. BPAddresses can be an array for multiple addresses.

```json
{
  "CardCode": "V00001",
  "CardName": "New Vendor Corp",
  "CardType": "cVendor",
  "Phone": "+1-555-0124",
  "Email": "vendor@company.com",
  "BPAddresses": [
    {
      "AddressType": "bo_BillTo",
      "StreetName": "456 Oak Ave",
      "City": "Los Angeles",
      "ZipCode": "90001",
      "Country": "US"
    }
  ],
  "GroupCode": 101
}
```

--------------------------------

### Production Environment Configuration

Source: https://github.com/yeshua-aguilar/sap-servicelayer-docs/blob/main/_autodocs/configuration.md

Configuration object for the production environment, featuring a production server URL, shorter timeout, warning logging, and circuit breaker enabled.

```javascript
const prodConfig = {
  serviceUrl: 'https://prod-sap.example.com:50000/b1s/v2/',
  ssl: { rejectUnauthorized: true },
  timeout: 15000,
  logging: 'warn',
  circuitBreaker: true
};
```