update Python Flask/Ruby Sinatra examples (#160)

advanced-integration/v2/server/python/.flaskenv

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+FLASK_RUN_PORT=8080

advanced-integration/v2/server/python/README.md

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+# Standard Integration Python Flask Sample
+
+PayPal Standard Integration sample in Python using Flask
+
+## Running the sample
+
+1. **Setup a virtual environment**
+
+   ```sh
+   python3 -m venv .venv
+   ```
+
+1. **Install the dependencies**
+
+   ```sh
+   pip install -r requirements.txt
+   ```
+
+1. **Add your API credentials to the environment:**
+
+   - **Windows**
+
+     ```powershell
+     $env:PAYPAL_CLIENT_ID = "<PAYPAL_CLIENT_ID>"
+     $env:PAYPAL_CLIENT_SECRET = "<PAYPAL_CLIENT_SECRET>"
+     ```
+
+   - **Unix**
+
+     ```bash
+     export PAYPAL_CLIENT_ID="<PAYPAL_CLIENT_ID>"
+     export PAYPAL_CLIENT_SECRET="<PAYPAL_CLIENT_SECRET>"
+     ```
+
+1. **Run the server**
+
+   ```sh
+   flask --app server run
+   ```
+
+1. Go to [http://localhost:8080/](http://localhost:8080/)

advanced-integration/v2/server/python/requirements.txt

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+Flask==3.0.3
+paypal-server-sdk==0.5.2

advanced-integration/v2/server/python/server.py

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+import logging
+import os
+
+from flask import Flask, request
+from paypalserversdk.http.auth.o_auth_2 import ClientCredentialsAuthCredentials
+from paypalserversdk.logging.configuration.api_logging_configuration import LoggingConfiguration, \
+    RequestLoggingConfiguration, ResponseLoggingConfiguration
+from paypalserversdk.paypalserversdk_client import PaypalserversdkClient
+from paypalserversdk.controllers.orders_controller import OrdersController
+from paypalserversdk.models.amount_with_breakdown import AmountWithBreakdown
+from paypalserversdk.models.checkout_payment_intent import CheckoutPaymentIntent
+from paypalserversdk.models.order_request import OrderRequest
+from paypalserversdk.models.purchase_unit_request import PurchaseUnitRequest
+from paypalserversdk.api_helper import ApiHelper
+
+app = Flask(__name__)
+
+paypal_client: PaypalserversdkClient = PaypalserversdkClient(
+    client_credentials_auth_credentials=ClientCredentialsAuthCredentials(
+        o_auth_client_id=os.getenv('PAYPAL_CLIENT_ID'),
+        o_auth_client_secret=os.getenv('PAYPAL_CLIENT_SECRET')
+    ),
+    logging_configuration=LoggingConfiguration(
+        log_level=logging.INFO,
+        # Disable masking of sensitive headers for Sandbox testing.
+        # This should be set to True (the default if unset)in production.
+        mask_sensitive_headers=False,
+        request_logging_config=RequestLoggingConfiguration(
+            log_headers=True,
+            log_body=True
+        ),
+        response_logging_config=ResponseLoggingConfiguration(
+            log_headers=True,
+            log_body=True
+        )
+    )
+)
+
+'''
+Health check
+'''
+@app.route('/', methods=['GET'])
+def index():
+    return {"message": "Server is running"}
+
+orders_controller: OrdersController = paypal_client.orders
+
+'''
+Create an order to start the transaction.
+
+@see https://developer.paypal.com/docs/api/orders/v2/#orders_create
+'''
+@app.route('/api/orders', methods=['POST'])
+def create_order():
+    request_body = request.get_json()
+    # use the cart information passed from the front-end to calculate the order amount detals
+    cart = request_body['cart']
+    order = orders_controller.orders_create({
+      "body": OrderRequest(
+        intent=CheckoutPaymentIntent.CAPTURE,
+        purchase_units=[
+          PurchaseUnitRequest(
+             AmountWithBreakdown(
+                 currency_code='USD',
+                 value='100.00'
+             ) 
+          )
+        ]
+      ),
+      "prefer": 'return=representation'
+      }
+    )
+    return ApiHelper.json_serialize(order.body)
+
+'''
+ Capture payment for the created order to complete the transaction.
+
+ @see https://developer.paypal.com/docs/api/orders/v2/#orders_capture
+'''
+@app.route('/api/orders/<order_id>/capture', methods=['POST'])
+def capture_order(order_id):
+    order = orders_controller.orders_capture({
+        'id': order_id,
+        'prefer': 'return=representation'
+    })
+    return ApiHelper.json_serialize(order.body)

advanced-integration/v2/server/ruby/.ruby-version

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+3.3.5

advanced-integration/v2/server/ruby/Gemfile

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+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+gem "paypal-server-sdk", "~> 0.5.2"
+gem "puma", "~> 6.4"
+gem "rackup", "~> 2.1"
+gem "sinatra", "~> 4.0"
+gem "sinatra-contrib", "~> 4.0"

advanced-integration/v2/server/ruby/README.md

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+# Standard Integration Ruby Sinatra Sample
+
+PayPal Standard Integration sample in Ruby using Sinatra
+
+## Running the sample
+
+1. **Ensure you have a supported Ruby version installed**: [Ruby Maintenance Branches](https://www.ruby-lang.org/en/downloads/branches/)
+
+1. **Install the dependencies**
+
+   ```bash
+   bundle install
+   ```
+
+1. **Add your API credentials to the environment:**
+
+   - **Windows**
+
+     ```powershell
+     $env:PAYPAL_CLIENT_ID = "<PAYPAL_CLIENT_ID>"
+     $env:PAYPAL_CLIENT_SECRET = "<PAYPAL_CLIENT_SECRET>"
+     ```
+
+   - **Unix**
+
+     ```bash
+     export PAYPAL_CLIENT_ID="<PAYPAL_CLIENT_ID>"
+     export PAYPAL_CLIENT_SECRET="<PAYPAL_CLIENT_SECRET>"
+     ```
+
+1. **Run the server**
+
+   ```bash
+   bundle exec ruby server.rb
+   ```
+
+1. Go to [http://localhost:8080/](http://localhost:8080/)

advanced-integration/v2/server/ruby/server.rb

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+require 'paypal_server_sdk'
+require 'sinatra'
+require 'sinatra/json'
+
+include PaypalServerSdk
+
+set :port, 8080
+
+paypal_client = PaypalServerSdk::Client.new(
+  client_credentials_auth_credentials: ClientCredentialsAuthCredentials.new(
+    o_auth_client_id: ENV['PAYPAL_CLIENT_ID'],
+    o_auth_client_secret: ENV['PAYPAL_CLIENT_SECRET']
+  ),
+    environment: Environment::SANDBOX,
+    logging_configuration: LoggingConfiguration.new(
+      mask_sensitive_headers: false,
+      log_level: Logger::INFO,
+      request_logging_config: RequestLoggingConfiguration.new(
+        log_headers: true,
+        log_body: true,
+        ),
+      response_logging_config: ResponseLoggingConfiguration.new(
+        log_headers: true,
+        log_body: true
+      )
+  )
+)
+
+# Health Check
+get '/' do
+  json :message => "Server is running"
+end
+
+# Create an order to start the transaction.
+#
+# @see https://developer.paypal.com/docs/api/orders/v2/#orders_create
+post "/api/orders" do
+  # use the cart information passed from the front-end to calculate the order amount detals
+  cart = JSON.parse request.body.read
+  order_response = paypal_client.orders.orders_create({
+    'body' => OrderRequest.new(
+      intent: CheckoutPaymentIntent::CAPTURE,
+      purchase_units: [
+        PurchaseUnitRequest.new(
+          amount: AmountWithBreakdown.new(
+            currency_code: 'USD',
+            value: '100.00'
+          )
+        )
+      ]
+    ),
+    'prefer' => 'return=representation'
+    })
+  json order_response.data
+end
+
+#  Capture payment for the created order to complete the transaction.
+#
+#  @see https://developer.paypal.com/docs/api/orders/v2/#orders_capture
+post '/api/orders/:order_id/capture' do |order_id|
+  capture_response = paypal_client.orders.orders_capture({
+    'id' => order_id,
+    'prefer' => 'return=representation'
+  })
+  json capture_response.data
+rescue ErrorException => e
+end

standard-integration/server/python/.flaskenv

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+FLASK_RUN_PORT=8080

standard-integration/server/python/README.md

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+# Standard Integration Python Flask Sample
+
+PayPal Standard Integration sample in Python using Flask
+
+## Running the sample
+
+1. **Setup a virtual environment**
+
+   ```sh
+   python3 -m venv .venv
+   ```
+
+1. **Install the dependencies**
+
+   ```sh
+   pip install -r requirements.txt
+   ```
+
+1. **Add your API credentials to the environment:**
+
+   - **Windows**
+
+     ```powershell
+     $env:PAYPAL_CLIENT_ID = "<PAYPAL_CLIENT_ID>"
+     $env:PAYPAL_CLIENT_SECRET = "<PAYPAL_CLIENT_SECRET>"
+     ```
+
+   - **Unix**
+
+     ```bash
+     export PAYPAL_CLIENT_ID="<PAYPAL_CLIENT_ID>"
+     export PAYPAL_CLIENT_SECRET="<PAYPAL_CLIENT_SECRET>"
+     ```
+
+1. **Run the server**
+
+   ```sh
+   flask --app server run
+   ```
+
+1. Go to [http://localhost:8080/](http://localhost:8080/)

standard-integration/server/python/requirements.txt

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+Flask==3.0.3
+paypal-server-sdk==0.5.2

standard-integration/server/python/server.py

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+import logging
+import os
+
+from flask import Flask, request
+from paypalserversdk.http.auth.o_auth_2 import ClientCredentialsAuthCredentials
+from paypalserversdk.logging.configuration.api_logging_configuration import LoggingConfiguration, \
+    RequestLoggingConfiguration, ResponseLoggingConfiguration
+from paypalserversdk.paypalserversdk_client import PaypalserversdkClient
+from paypalserversdk.controllers.orders_controller import OrdersController
+from paypalserversdk.models.amount_with_breakdown import AmountWithBreakdown
+from paypalserversdk.models.checkout_payment_intent import CheckoutPaymentIntent
+from paypalserversdk.models.order_request import OrderRequest
+from paypalserversdk.models.purchase_unit_request import PurchaseUnitRequest
+from paypalserversdk.api_helper import ApiHelper
+
+app = Flask(__name__)
+
+paypal_client: PaypalserversdkClient = PaypalserversdkClient(
+    client_credentials_auth_credentials=ClientCredentialsAuthCredentials(
+        o_auth_client_id=os.getenv('PAYPAL_CLIENT_ID'),
+        o_auth_client_secret=os.getenv('PAYPAL_CLIENT_SECRET')
+    ),
+    logging_configuration=LoggingConfiguration(
+        log_level=logging.INFO,
+        # Disable masking of sensitive headers for Sandbox testing.
+        # This should be set to True (the default if unset)in production.
+        mask_sensitive_headers=False,
+        request_logging_config=RequestLoggingConfiguration(
+            log_headers=True,
+            log_body=True
+        ),
+        response_logging_config=ResponseLoggingConfiguration(
+            log_headers=True,
+            log_body=True
+        )
+    )
+)
+
+'''
+Health check
+'''
+@app.route('/', methods=['GET'])
+def index():
+    return {"message": "Server is running"}
+
+orders_controller: OrdersController = paypal_client.orders
+
+'''
+Create an order to start the transaction.
+
+@see https://developer.paypal.com/docs/api/orders/v2/#orders_create
+'''
+@app.route('/api/orders', methods=['POST'])
+def create_order():
+    request_body = request.get_json()
+    # use the cart information passed from the front-end to calculate the order amount detals
+    cart = request_body['cart']
+    order = orders_controller.orders_create({
+      "body": OrderRequest(
+        intent=CheckoutPaymentIntent.CAPTURE,
+        purchase_units=[
+          PurchaseUnitRequest(
+             AmountWithBreakdown(
+                 currency_code='USD',
+                 value='100.00'
+             ) 
+          )
+        ]
+      ),
+      "prefer": 'return=representation'
+      }
+    )
+    return ApiHelper.json_serialize(order.body)
+
+'''
+ Capture payment for the created order to complete the transaction.
+
+ @see https://developer.paypal.com/docs/api/orders/v2/#orders_capture
+'''
+@app.route('/api/orders/<order_id>/capture', methods=['POST'])
+def capture_order(order_id):
+    order = orders_controller.orders_capture({
+        'id': order_id,
+        'prefer': 'return=representation'
+    })
+    return ApiHelper.json_serialize(order.body)

standard-integration/server/ruby/.ruby-version

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+3.3.5