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PureBasic Web API Examples

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(PureBasic) eBay -- Get Inventory Items

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 PureBasic Module Download

Chilkat PureBasic Module

IncludeFile "CkHttp.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkJsonArray.pb"

Procedure ChilkatExample()

    ; 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.s = "EBAY_ACCESS_TOKEN"

    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; This example uses the sandbox.  
    ; Change "api.sandbox.ebay.com" to "api.ebay.com" to use the production system.
    sbUrl.i = CkStringBuilder::ckCreate()
    If sbUrl.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkStringBuilder::ckAppend(sbUrl,"https://api.sandbox.ebay.com/sell/inventory/v1/inventory_item?limit=_LIMIT&offset=_OFFSET")
    numReplaced.i = CkStringBuilder::ckReplace(sbUrl,"_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 = CkStringBuilder::ckReplace(sbUrl,"_OFFSET","0")

    ; Add our access token to the request, which is a header
    ; having the following format:
    ; Authorization: Bearer <userAccessToken>
    sbAuth.i = CkStringBuilder::ckCreate()
    If sbAuth.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkStringBuilder::ckAppend(sbAuth,"Bearer ")
    CkStringBuilder::ckAppend(sbAuth,accessToken)
    CkHttp::ckSetRequestHeader(http,"Authorization",CkStringBuilder::ckGetAsString(sbAuth))

    CkHttp::setCkAccept(http, "application/json")
    CkHttp::setCkAllowGzip(http, 1)

    strJson.s = CkHttp::ckQuickGetStr(http,CkStringBuilder::ckGetAsString(sbUrl))
    If CkHttp::ckLastMethodSuccess(http) <> 1
        Debug CkHttp::ckLastErrorText(http)
        CkHttp::ckDispose(http)
        CkStringBuilder::ckDispose(sbUrl)
        CkStringBuilder::ckDispose(sbAuth)
        ProcedureReturn
    EndIf

    ; The response should be JSON, even if an error.
    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoad(json,strJson)
    CkJsonObject::setCkEmitCompact(json, 0)

    Debug "Response status code = " + Str(CkHttp::ckLastStatus(http))

    If CkHttp::ckLastStatus(http) <> 200
        Debug CkJsonObject::ckEmit(json)
        Debug "Failed"
        CkHttp::ckDispose(http)
        CkStringBuilder::ckDispose(sbUrl)
        CkStringBuilder::ckDispose(sbAuth)
        CkJsonObject::ckDispose(json)
        ProcedureReturn
    EndIf

    ; See the sample JSON response below..
    Debug CkJsonObject::ckEmit(json)

    ; To iterate over the inventory items..
    numItems.i = CkJsonObject::ckSizeOfArray(json,"inventoryItems")
    i.i = 0
    j.i
    While i < numItems
        CkJsonObject::setCkI(json, i)
        Debug Str(i) + ") sku: " + CkJsonObject::ckStringOf(json,"inventoryItems[i].sku")
        Debug "    title: " + CkJsonObject::ckStringOf(json,"inventoryItems[i].product.title")

        If CkJsonObject::ckHasMember(json,"inventoryItems[i].product.aspects.Brand") = 1
            brands.i = CkJsonObject::ckArrayOf(json,"inventoryItems[i].product.aspects.Brand")
            numBrands.i = CkJsonArray::ckSize(brands)
            j = 0
            While j < numBrands
                Debug "    brand: " + CkJsonArray::ckStringAt(brands,j)
                j = j + 1
            Wend
        EndIf

        If CkJsonObject::ckHasMember(json,"inventoryItems[i].product.aspects.Feature") = 1
            features.i = CkJsonObject::ckArrayOf(json,"inventoryItems[i].product.aspects.Feature")
            numFeatures.i = CkJsonArray::ckSize(features)
            j = 0
            While j < numFeatures
                Debug "    feature: " + CkJsonArray::ckStringAt(features,j)
                j = j + 1
            Wend
        EndIf

        i = i + 1
    Wend

    ; 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
    ;         }
    ;       }
    ;     }
    ;   ]
    ; }
    ; 
    ; 
    ; 


    CkHttp::ckDispose(http)
    CkStringBuilder::ckDispose(sbUrl)
    CkStringBuilder::ckDispose(sbAuth)
    CkJsonObject::ckDispose(json)


    ProcedureReturn
EndProcedure

 

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