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Pascal (Lazarus/Delphi)

eBay -- Get Inventory Items

See more eBay Examples

Retrieves up to 100 inventory items. If an eBay account has more than 100 inventory items, then the Nth page of inventory items can be retrieved, until there are no more pages. (The first page of records has a value of 0, the second page of records has a value of 1, etc.)

Chilkat Pascal (Lazarus/Delphi) Downloads

Pascal (Lazarus/Delphi)
program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.StringBuilder,
  Chilkat.JsonArray,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  accessToken: string;
  http: THttp;
  sbUrl: TStringBuilder;
  numReplaced: Integer;
  sbAuth: TStringBuilder;
  strJson: string;
  json: TJsonObject;
  numItems: Integer;
  i: Integer;
  j: Integer;
  brands: TJsonArray;
  numBrands: Integer;
  features: TJsonArray;
  numFeatures: Integer;

begin
  //  This example assumes the Chilkat API to have been previously unlocked.
  //  See Global Unlock Sample for sample code.

  //  Use a previously obtained user token.  The token should look something like this:
  //  "v^1.1#i^1#r^0#p^3#I^3#f^0#t^H4sIAAAAAAAAAOVXa2wUVRTu9k ... 89xuCWYREAAA=="
  accessToken := 'EBAY_ACCESS_TOKEN';

  http := THttp.Create;

  //  This example uses the sandbox.  
  //  Change "api.sandbox.ebay.com" to "api.ebay.com" to use the production system.
  sbUrl := TStringBuilder.Create;
  sbUrl.Append('https://api.sandbox.ebay.com/sell/inventory/v1/inventory_item?limit=_LIMIT&offset=_OFFSET');
  numReplaced := sbUrl.Replace('_LIMIT','100');
  //  The offset indicates the page number.  Offset 0 gets items 0-99 (if limit=100),
  //  Offset 1 gets items 100-199, etc.
  numReplaced := sbUrl.Replace('_OFFSET','0');

  //  Add our access token to the request, which is a header
  //  having the following format:
  //  Authorization: Bearer <userAccessToken>
  sbAuth := TStringBuilder.Create;
  sbAuth.Append('Bearer ');
  sbAuth.Append(accessToken);
  http.SetRequestHeader('Authorization',sbAuth.GetAsString());

  http.Accept := 'application/json';
  http.AllowGzip := True;

  strJson := http.QuickGetStr(sbUrl.GetAsString());
  if (http.LastMethodSuccess <> True) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  //  The response should be JSON, even if an error.
  json := TJsonObject.Create;
  json.Load(strJson);
  json.EmitCompact := False;

  WriteLn('Response status code = ' + http.LastStatus);

  if (http.LastStatus <> 200) then
    begin
      WriteLn(json.Emit());
      WriteLn('Failed');
      Exit;
    end;

  //  See the sample JSON response below..
  WriteLn(json.Emit());

  //  To iterate over the inventory items..
  numItems := json.SizeOfArray('inventoryItems');
  i := 0;

  while i < numItems do
    begin
      json.I := i;
      WriteLn(i + ') sku: ' + json.StringOf('inventoryItems[i].sku'));
      WriteLn('    title: ' + json.StringOf('inventoryItems[i].product.title'));

      if (json.HasMember('inventoryItems[i].product.aspects.Brand') = True) then
        begin
          brands := json.ArrayOf('inventoryItems[i].product.aspects.Brand');
          numBrands := brands.Size;
          j := 0;
          while j < numBrands do
            begin
              WriteLn('    brand: ' + brands.StringAt(j));
              j := j + 1;
            end;

        end;
      if (json.HasMember('inventoryItems[i].product.aspects.Feature') = True) then
        begin
          features := json.ArrayOf('inventoryItems[i].product.aspects.Feature');
          numFeatures := features.Size;
          j := 0;
          while j < numFeatures do
            begin
              WriteLn('    feature: ' + features.StringAt(j));
              j := j + 1;
            end;

        end;

      i := i + 1;
    end;

  //  The output of the above loop:

  //  0) sku: GP-Cam-01
  //      title: GoPro Hero4 Helmet Cam
  //      brand: GoPro
  //  1) sku: AppleWatch
  //      title: Test listing - do not bid or buy - awesome Apple watch test 2
  //      feature: Water resistance
  //      feature: GPS
  //  
  //  

  //  A sample JSON response with 2 inventory items.

  //  { 
  //    "total": 2,
  //    "size": 2,
  //    "href": "/sell/inventory/v1/inventory_item?offset=0&limit=100",
  //    "limit": 100,
  //    "inventoryItems": [
  //      { 
  //        "sku": "GP-Cam-01",
  //        "product": { 
  //          "title": "GoPro Hero4 Helmet Cam",
  //          "aspects": { 
  //            "Brand": [
  //              "GoPro"
  //            ],
  //            "Optical Zoom": [
  //              "10x"
  //            ],
  //            "Type": [
  //              "Helmet/Action"
  //            ],
  //            "Recording Definition": [
  //              "High Definition"
  //            ],
  //            "Media Format": [
  //              "Flash Drive (SSD)"
  //            ],
  //            "Storage Type": [
  //              "Removable"
  //            ]
  //          },
  //          "description": "New GoPro Hero4 Helmet Cam. Unopened box.",
  //          "imageUrls": [
  //            "http://i.ebayimg.com/images/i/182196556219-0-1/s-l1000.jpg",
  //            "http://i.ebayimg.com/images/i/182196556219-0-1/s-l1001.jpg",
  //            "http://i.ebayimg.com/images/i/182196556219-0-1/s-l1002.jpg"
  //          ]
  //        },
  //        "condition": "NEW",
  //        "availability": { 
  //          "pickupAtLocationAvailability": [
  //          ],
  //          "shipToLocationAvailability": { 
  //            "quantity": 50
  //          }
  //        }
  //      },
  //      { 
  //        "sku": "AppleWatch",
  //        "product": { 
  //          "title": "Test listing - do not bid or buy - awesome Apple watch test 2",
  //          "aspects": { 
  //            "CPU": [
  //              "Dual-Core Processor"
  //            ],
  //            "Feature": [
  //              "Water resistance",
  //              "GPS"
  //            ]
  //          },
  //          "description": "Test listing - do not bid or buy\n Built-in GPS. Water resistance to 50 meters.1 A new lightning-fast dual-core processor. And a display that?s two times brighter than before. Full of features that help you stay active, motivated, and connected, Apple Watch Series 2 is designed for all the ways you move ",
  //          "upc": [
  //            "888462079525"
  //          ],
  //          "imageUrls": [
  //            "http://store.storeimages.cdn-apple.com/4973/as-images.apple.com/is/image/AppleInc/aos/published/images/S/1/S1/42/S1-42-alu-silver-sport-white-grid?wid=332&hei=392&fmt=jpeg&qlt=95&op_sharpen=0&resMode=bicub&op_usm=0.5,0.5,0,0&iccEmbed=0&layer=comp&.v=1472247758975",
  //            "http://store.storeimages.cdn-apple.com/4973/as-images.apple.com/is/image/AppleInc/aos/published/images/4/2/42/stainless/42-stainless-sport-white-grid?wid=332&hei=392&fmt=jpeg&qlt=95&op_sharpen=0&resMode=bicub&op_usm=0.5,0.5,0,0&iccEmbed=0&layer=comp&.v=1472247760390",
  //            "http://store.storeimages.cdn-apple.com/4973/as-images.apple.com/is/image/AppleInc/aos/published/images/4/2/42/ceramic/42-ceramic-sport-cloud-grid?wid=332&hei=392&fmt=jpeg&qlt=95&op_sharpen=0&resMode=bicub&op_usm=0.5,0.5,0,0&iccEmbed=0&layer=comp&.v=1472247758007"
  //          ]
  //        },
  //        "condition": "NEW",
  //        "packageWeightAndSize": { 
  //          "dimensions": { 
  //            "width": 15.0,
  //            "length": 10.0,
  //            "height": 5.0,
  //            "unit": "INCH"
  //          },
  //          "weight": { 
  //            "value": 2.0,
  //            "unit": "POUND"
  //          }
  //        },
  //        "availability": { 
  //          "pickupAtLocationAvailability": [
  //          ],
  //          "shipToLocationAvailability": { 
  //            "quantity": 10
  //          }
  //        }
  //      }
  //    ]
  //  }
  //  
  //  
  //  


  http.Free;
  sbUrl.Free;
  sbAuth.Free;
  json.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.