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PayPal Create Invoice

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Creates a draft invoice.

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Local $bSuccess = False

;  Note: Requires Chilkat v9.5.0.64 or greater.

;  This requires the Chilkat API to have been previously unlocked.
;  See Global Unlock Sample for sample code.

;  Load our previously obtained access token. (see PayPal OAuth2 Access Token)
$oJsonToken = ObjCreate("Chilkat.JsonObject")
$oJsonToken.LoadFile("qa_data/tokens/paypal.json")

;  Build the Authorization request header field value.
$oSbAuth = ObjCreate("Chilkat.StringBuilder")
;  token_type should be "Bearer"
$oSbAuth.Append($oJsonToken.StringOf("token_type"))
$oSbAuth.Append(" ")
$oSbAuth.Append($oJsonToken.StringOf("access_token"))

;  Make the initial connection.
;  A single REST object, once connected, can be used for many PayPal REST API calls.
;  The auto-reconnect indicates that if the already-established HTTPS connection is closed,
;  then it will be automatically re-established as needed.
$oRest = ObjCreate("Chilkat.Rest")
Local $bAutoReconnect = True
$bSuccess = $oRest.Connect("api.sandbox.paypal.com",443,True,$bAutoReconnect)
If ($bSuccess <> True) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

;  ----------------------------------------------------------------------------------------------
;  The code above this comment could be placed inside a function/subroutine within the application
;  because the connection does not need to be made for every request.  Once the connection is made
;  the app may send many requests..
;  ----------------------------------------------------------------------------------------------

;  First create a JSON invoice:
$oJson = ObjCreate("Chilkat.JsonObject")
$oJson.EmitCompact = False
$oJson.UpdateString("merchant_info.email","frank-facilitator@example.com")
$oJson.UpdateString("merchant_info.first_name","Frank")
$oJson.UpdateString("merchant_info.last_name","Facilitator")
$oJson.UpdateString("merchant_info.business_name","Medical Professionals, LLC")
$oJson.UpdateString("merchant_info.phone.country_code","001")
$oJson.UpdateString("merchant_info.phone.national_number","5032141716")
$oJson.UpdateString("merchant_info.address.line1","1234 Main St.")
$oJson.UpdateString("merchant_info.address.city","Portland")
$oJson.UpdateString("merchant_info.address.state","OR")
$oJson.UpdateString("merchant_info.address.postal_code","97217")
$oJson.UpdateString("merchant_info.address.country_code","US")
$oJson.UpdateString("billing_info[0].email","frank-buyer@somewhere.com")
$oJson.UpdateString("items[0].name","Sutures")
$oJson.UpdateInt("items[0].quantity",100)
$oJson.UpdateString("items[0].unit_price.currency","USD")
$oJson.UpdateString("items[0].unit_price.value","5")
$oJson.UpdateString("note","Medical Invoice 16 Jul, 2013 PST")
$oJson.UpdateString("payment_term.term_type","NET_45")
$oJson.UpdateString("shipping_info.first_name","Sally")
$oJson.UpdateString("shipping_info.last_name","Patient")
$oJson.UpdateString("shipping_info.business_name","Not applicable")
$oJson.UpdateString("shipping_info.phone.country_code","001")
$oJson.UpdateString("shipping_info.phone.national_number","5039871234")
$oJson.UpdateString("shipping_info.address.line1","1234 Broad St.")
$oJson.UpdateString("shipping_info.address.city","Portland")
$oJson.UpdateString("shipping_info.address.state","OR")
$oJson.UpdateString("shipping_info.address.postal_code","97216")
$oJson.UpdateString("shipping_info.address.country_code","US")

ConsoleWrite($oJson.Emit() & @CRLF)

;  The JSON invoice created by the above code:

;  	{ 
;  	  "merchant_info": { 
;  	    "email": "frank-facilitator@example.com",
;  	    "first_name": "Frank",
;  	    "last_name": "Facilitator",
;  	    "business_name": "Medical Professionals, LLC",
;  	    "phone": { 
;  	      "country_code": "001",
;  	      "national_number": "5032141716"
;  	    },
;  	    "address": { 
;  	      "line1": "1234 Main St.",
;  	      "city": "Portland",
;  	      "state": "OR",
;  	      "postal_code": "97217",
;  	      "country_code": "US"
;  	    }
;  	  },
;  	  "billing_info": [ 
;  	    { 
;  	      "email": "frank-buyer@somewhere.com"
;  	    }
;  	  ],
;  	  "items": [ 
;  	    { 
;  	      "name": "Sutures",
;  	      "quantity": 100,
;  	      "unit_price": { 
;  	        "currency": "USD",
;  	        "value": "5"
;  	      }
;  	    }
;  	  ],
;  	  "note": "Medical Invoice 16 Jul, 2013 PST",
;  	  "payment_term": { 
;  	    "term_type": "NET_45"
;  	  },
;  	  "shipping_info": { 
;  	    "first_name": "Sally",
;  	    "last_name": "Patient",
;  	    "business_name": "Not applicable",
;  	    "phone": { 
;  	      "country_code": "001",
;  	      "national_number": "5039871234"
;  	    },
;  	    "address": { 
;  	      "line1": "1234 Broad St.",
;  	      "city": "Portland",
;  	      "state": "OR",
;  	      "postal_code": "97216",
;  	      "country_code": "US"
;  	    }
;  	  }
;  	}

;  Send the POST equivalent to this CURL command:

;  	curl -v -X POST https://api.sandbox.paypal.com/v1/invoicing/invoices/ \
;  	-H "Content-Type:application/json" \
;  	-H "Authorization: Bearer Access-Token" \
;  	-d '{ invoice JSON goes here }'

$oJson.EmitCompact = True
$oSbRequestBody = ObjCreate("Chilkat.StringBuilder")
$oSbResponseBody = ObjCreate("Chilkat.StringBuilder")

$oRest.AddHeader("Content-Type","application/json")
$oRest.AddHeader("Authorization",$oSbAuth.GetAsString())
$oJson.EmitSb($oSbRequestBody)

$bSuccess = $oRest.FullRequestSb("POST","/v1/invoicing/invoices",$oSbRequestBody,$oSbResponseBody)
If ($bSuccess <> True) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

;  We should have some sort of JSON response.  It could be successful, or an error.
$oJsonResponse = ObjCreate("Chilkat.JsonObject")
$oJsonResponse.EmitCompact = False
$oJsonResponse.LoadSb($oSbResponseBody)

ConsoleWrite("Response Status Code = " & $oRest.ResponseStatusCode & @CRLF)

;  Did we get a 201 success response?
If ($oRest.ResponseStatusCode <> 201) Then
    ;  Show the JSON response body
    ConsoleWrite($oJsonResponse.Emit() & @CRLF)

    ConsoleWrite($oRest.LastRequestStartLine & @CRLF)
    ConsoleWrite($oRest.LastRequestHeader & @CRLF)
    ConsoleWrite("Failed." & @CRLF)
    Exit
EndIf

;  Show a few parts of the JSON response
ConsoleWrite("id: " & $oJsonResponse.StringOf("id") & @CRLF)
ConsoleWrite("number: " & $oJsonResponse.StringOf("number") & @CRLF)
ConsoleWrite("template_id: " & $oJsonResponse.StringOf("template_id") & @CRLF)
ConsoleWrite("status: " & $oJsonResponse.StringOf("status") & @CRLF)

;  Show the full JSON response.
ConsoleWrite($oJsonResponse.Emit() & @CRLF)
ConsoleWrite("Success." & @CRLF)

;  A successful response looks like this:

;  	{ 
;  	  "id": "INV2-ZG2H-HKAW-PMWU-N6ZR",
;  	  "number": "0001",
;  	  "template_id": "TEMP-8HS37702UW384535K",
;  	  "status": "DRAFT",
;  	  "merchant_info": { 
;  	    "email": "smith-facilitator@chilkatsoft.com",
;  	    "first_name": "Joe",
;  	    "last_name": "Facilitator",
;  	    "business_name": "Medical Professionals, LLC",
;  	    "phone": { 
;  	      "country_code": "001",
;  	      "national_number": "5032141716"
;  	    },
;  	    "address": { 
;  	      "line1": "1234 Main St.",
;  	      "city": "Portland",
;  	      "state": "OR",
;  	      "postal_code": "97217",
;  	      "country_code": "US"
;  	    }
;  	  },
;  	  "billing_info": [ 
;  	    { 
;  	      "email": "smith-buyer@chilkatsoft.com"
;  	    }
;  	  ],
;  	  "shipping_info": { 
;  	    "first_name": "Sally",
;  	    "last_name": "Patient",
;  	    "business_name": "Not applicable",
;  	    "phone": { 
;  	      "country_code": "001",
;  	      "national_number": "5039871234"
;  	    },
;  	    "address": { 
;  	      "line1": "1234 Broad St.",
;  	      "city": "Portland",
;  	      "state": "OR",
;  	      "postal_code": "97216",
;  	      "country_code": "US"
;  	    }
;  	  },
;  	  "items": [ 
;  	    { 
;  	      "name": "Sutures",
;  	      "quantity": 100.0,
;  	      "unit_price": { 
;  	        "currency": "USD",
;  	        "value": "5.00"
;  	      }
;  	    }
;  	  ],
;  	  "invoice_date": "2016-11-15 PST",
;  	  "payment_term": { 
;  	    "term_type": "NET_45",
;  	    "due_date": "2016-12-30 PST"
;  	  },
;  	  "tax_calculated_after_discount": false,
;  	  "tax_inclusive": false,
;  	  "note": "Medical Invoice 16 Jul, 2013 PST",
;  	  "total_amount": { 
;  	    "currency": "USD",
;  	    "value": "500.00"
;  	  },
;  	  "metadata": { 
;  	    "created_date": "2016-11-15 06:17:03 PST"
;  	  },
;  	  "links": [ 
;  	    { 
;  	      "rel": "self",
;  	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR",
;  	      "method": "GET"
;  	    },
;  	    { 
;  	      "rel": "send",
;  	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/send",
;  	      "method": "POST"
;  	    },
;  	    { 
;  	      "rel": "update",
;  	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/update",
;  	      "method": "PUT"
;  	    },
;  	    { 
;  	      "rel": "delete",
;  	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR",
;  	      "method": "DELETE"
;  	    }
;  	  ]
;  	}
;