github.com/sleungcy-sap/cli@v7.1.0+incompatible/api/cloudcontroller/ccv3/paginate.go (about)

     1  package ccv3
     2  
     3  import (
     4  	"net/http"
     5  
     6  	"code.cloudfoundry.org/cli/api/cloudcontroller"
     7  )
     8  
     9  func (requester RealRequester) paginate(request *cloudcontroller.Request, obj interface{}, appendToExternalList func(interface{}) error) (IncludedResources, Warnings, error) {
    10  	fullWarningsList := Warnings{}
    11  	var includes IncludedResources
    12  
    13  	for {
    14  		wrapper, warnings, err := requester.wrapFirstPage(request, obj, appendToExternalList)
    15  		fullWarningsList = append(fullWarningsList, warnings...)
    16  		if err != nil {
    17  			return IncludedResources{}, fullWarningsList, err
    18  		}
    19  
    20  		includes.Users = append(includes.Users, wrapper.IncludedResources.Users...)
    21  		includes.Organizations = append(includes.Organizations, wrapper.IncludedResources.Organizations...)
    22  		includes.Spaces = append(includes.Spaces, wrapper.IncludedResources.Spaces...)
    23  		includes.ServiceOfferings = append(includes.ServiceOfferings, wrapper.IncludedResources.ServiceOfferings...)
    24  		includes.ServiceBrokers = append(includes.ServiceBrokers, wrapper.IncludedResources.ServiceBrokers...)
    25  
    26  		if wrapper.NextPage() == "" {
    27  			break
    28  		}
    29  
    30  		request, err = requester.newHTTPRequest(requestOptions{
    31  			URL:    wrapper.NextPage(),
    32  			Method: http.MethodGet,
    33  		})
    34  		if err != nil {
    35  			return IncludedResources{}, fullWarningsList, err
    36  		}
    37  	}
    38  
    39  	return includes, fullWarningsList, nil
    40  }
    41  
    42  func (requester RealRequester) wrapFirstPage(request *cloudcontroller.Request, obj interface{}, appendToExternalList func(interface{}) error) (*PaginatedResources, Warnings, error) {
    43  	warnings := Warnings{}
    44  	wrapper := NewPaginatedResources(obj)
    45  	response := cloudcontroller.Response{
    46  		DecodeJSONResponseInto: &wrapper,
    47  	}
    48  
    49  	err := requester.connection.Make(request, &response)
    50  	warnings = append(warnings, response.Warnings...)
    51  	if err != nil {
    52  		return nil, warnings, err
    53  	}
    54  
    55  	list, err := wrapper.Resources()
    56  	if err != nil {
    57  		return nil, warnings, err
    58  	}
    59  
    60  	for _, item := range list {
    61  		err = appendToExternalList(item)
    62  		if err != nil {
    63  			return nil, warnings, err
    64  		}
    65  	}
    66  
    67  	return wrapper, warnings, nil
    68  }