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tools/generator-go-sdk: generate custom pager for list method #3958

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merged 6 commits into from
Jun 28, 2024
Merged

tools/generator-go-sdk: generate custom pager for list method #3958

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00d0065
generate custom pager
teowa Mar 14, 2024
06b8622
fix unit test
teowa Mar 14, 2024
18da590
fix assignment
teowa Mar 15, 2024
065e715
rename variable
teowa Mar 15, 2024
7e0a011
generate custom pager for lro operation
teowa Mar 18, 2024
3039d8c
Merge branch 'main' of github.com:hashicorp/pandora into generate_cus…
teowa May 30, 2024
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37 changes: 35 additions & 2 deletions tools/generator-go-sdk/internal/generator/templater_methods.go
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Original file line number Diff line number Diff line change
Expand Up @@ -273,6 +273,7 @@ func (c methodsPandoraTemplater) listOperationTemplate(data ServiceGeneratorData
if err != nil {
return nil, fmt.Errorf("building arguments for list operation: %+v", err)
}
customPagerStruct := c.requestOptionStruct()
requestOptions, err := c.requestOptions()
if err != nil {
return nil, fmt.Errorf("building request config: %+v", err)
Expand All @@ -298,6 +299,7 @@ func (c methodsPandoraTemplater) listOperationTemplate(data ServiceGeneratorData
templated := fmt.Sprintf(`
%[6]s
%[7]s
%[8]s

// %[2]s ...
func (c %[1]s) %[2]s(ctx context.Context %[3]s) (result %[2]sOperationResponse, err error) {
Expand All @@ -322,7 +324,7 @@ func (c %[1]s) %[2]s(ctx context.Context %[3]s) (result %[2]sOperationResponse,

return
}
`, data.serviceClientName, c.operationName, *methodArguments, *requestOptions, *unmarshalerCode, *responseStruct, *optionsStruct)
`, data.serviceClientName, c.operationName, *methodArguments, *requestOptions, *unmarshalerCode, *responseStruct, *optionsStruct, customPagerStruct)

// Only output predicate functions for models and not for base types like string, int etc.
if c.operation.ResponseObject.Type == models.ReferenceSDKObjectDefinitionType || c.operation.ResponseObject.Type == models.ListSDKObjectDefinitionType {
Expand Down Expand Up @@ -474,6 +476,31 @@ func (c methodsPandoraTemplater) argumentsTemplateForMethod(data ServiceGenerato
return &out, nil
}

// define struct used in requestOptions
func (c methodsPandoraTemplater) requestOptionStruct() string {
var output string

if c.operation.FieldContainingPaginationDetails != nil {
jsonTag := fmt.Sprintf("`json:%q`", *c.operation.FieldContainingPaginationDetails)

output = fmt.Sprintf(`
type %[2]sCustomPager struct {
NextLink *odata.Link %[1]s
}

func (p %[2]sCustomPager) NextPageLink() *odata.Link {
defer func() {
p.NextLink = nil
}()

return p.NextLink
}
`, jsonTag, c.operationName)
}

return output
}

func (c methodsPandoraTemplater) requestOptions() (*string, error) {
method := capitalizeFirstLetter(c.operation.Method)
expectedStatusCodes := make([]string, 0)
Expand All @@ -500,6 +527,11 @@ func (c methodsPandoraTemplater) requestOptions() (*string, error) {
options = "OptionsObject: options,"
}

customPagerOption := ""
if c.operation.FieldContainingPaginationDetails != nil {
customPagerOption = fmt.Sprintf("Pager: %sCustomPager,", c.operationName)
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}

contentType := c.operation.ContentType

out := fmt.Sprintf(`client.RequestOptions{
Expand All @@ -508,10 +540,11 @@ func (c methodsPandoraTemplater) requestOptions() (*string, error) {
%[2]s,
},
HttpMethod: http.Method%[3]s,
%[6]s
Path: %[4]s,
%[5]s
}
`, contentType, strings.Join(expectedStatusCodes, ",\n\t\t\t"), method, path, options)
`, contentType, strings.Join(expectedStatusCodes, ",\n\t\t\t"), method, path, options, customPagerOption)
return &out, nil
}

Expand Down
34 changes: 28 additions & 6 deletions tools/generator-go-sdk/internal/generator/templater_methods_discriminators_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,6 @@ func TestTemplateMethods_Discriminator_ResponseObjectIsImplementation_Get(t *tes
},
operationName: "Get",
}.template(input)

if err != nil {
t.Fatalf("err %+v", err)
}
Expand Down Expand Up @@ -157,7 +156,6 @@ func TestTemplateMethods_Discriminator_ResponseObjectIsParent_Get(t *testing.T)
},
operationName: "Get",
}.template(input)

if err != nil {
t.Fatalf("err %+v", err)
}
Expand Down Expand Up @@ -267,7 +265,6 @@ func TestTemplateMethods_Discriminator_ResponseObjectIsImplementation_List(t *te
},
operationName: "List",
}.template(input)

if err != nil {
t.Fatalf("err %+v", err)
}
Expand Down Expand Up @@ -299,6 +296,18 @@ type ListCompleteResult struct {
Items []PandaPop
}

type ListCustomPager struct {
NextLink *odata.Link %[2]s
}

func (p ListCustomPager) NextPageLink() *odata.Link {
defer func() {
p.NextLink = nil
}()

return p.NextLink
}

// List ...
func (c pandaClient) List(ctx context.Context ) (result ListOperationResponse, err error) {
opts := client.RequestOptions{
Expand All @@ -307,6 +316,7 @@ func (c pandaClient) List(ctx context.Context ) (result ListOperationResponse, e
http.StatusOK,
},
HttpMethod: http.MethodGet,
Pager: ListCustomPager,
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Path: "/thing",
}

Expand Down Expand Up @@ -363,7 +373,7 @@ func (c pandaClient) ListCompleteMatchingPredicate(ctx context.Context, predicat
}
return
}
`, "`json:\"value\"`")
`, "`json:\"value\"`", "`json:\"someField\"`")

assertTemplatedCodeMatches(t, expected, *actual)
}
Expand Down Expand Up @@ -409,7 +419,6 @@ func TestTemplateMethods_Discriminator_ResponseObjectIsParent_List(t *testing.T)
},
operationName: "List",
}.template(input)

if err != nil {
t.Fatalf("err %+v", err)
}
Expand Down Expand Up @@ -441,6 +450,18 @@ type ListCompleteResult struct {
Items []FizzyDrink
}

type ListCustomPager struct {
NextLink *odata.Link %[2]s
}

func (p ListCustomPager) NextPageLink() *odata.Link {
defer func() {
p.NextLink = nil
}()

return p.NextLink
}

// List ...
func (c pandaClient) List(ctx context.Context ) (result ListOperationResponse, err error) {
opts := client.RequestOptions{
Expand All @@ -449,6 +470,7 @@ func (c pandaClient) List(ctx context.Context ) (result ListOperationResponse, e
http.StatusOK,
},
HttpMethod: http.MethodGet,
Pager: ListCustomPager,
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Path: "/thing",
}

Expand Down Expand Up @@ -514,7 +536,7 @@ func (c pandaClient) ListCompleteMatchingPredicate(ctx context.Context, predicat
}
return
}
`, "`json:\"value\"`")
`, "`json:\"value\"`", "`json:\"SomeField\"`")

assertTemplatedCodeMatches(t, expected, *actual)
}
51 changes: 42 additions & 9 deletions tools/generator-go-sdk/internal/generator/templater_methods_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,6 @@ func TestTemplateMethodsGet(t *testing.T) {
},
operationName: "Get",
}.immediateOperationTemplate(input)

if err != nil {
t.Fatalf("err %+v", err)
}
Expand Down Expand Up @@ -111,7 +110,6 @@ func TestTemplateMethodsGetAsTextPowerShell(t *testing.T) {
},
operationName: "Get",
}.immediateOperationTemplate(input)

if err != nil {
t.Fatalf("err %+v", err)
}
Expand Down Expand Up @@ -221,7 +219,6 @@ func TestTemplateMethodsListWithDiscriminatedType(t *testing.T) {
},
operationName: "List",
}.listOperationTemplate(input)

if err != nil {
t.Fatalf("err %+v", err)
}
Expand All @@ -238,6 +235,18 @@ type ListCompleteResult struct {
Items []Bottle
}

type ListCustomPager struct {
NextLink *odata.Link %[2]s
}

func (p ListCustomPager) NextPageLink() *odata.Link {
defer func() {
p.NextLink = nil
}()

return p.NextLink
}

// List ...
func (c pandaClient) List(ctx context.Context , id PandaPop) (result ListOperationResponse, err error) {
opts := client.RequestOptions{
Expand All @@ -246,6 +255,7 @@ func (c pandaClient) List(ctx context.Context , id PandaPop) (result ListOperati
http.StatusOK,
},
HttpMethod: http.MethodGet,
Pager: ListCustomPager,
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Path: fmt.Sprintf("%%s/pandas", id.ID()),
}

Expand Down Expand Up @@ -316,13 +326,12 @@ func (c pandaClient) ListCompleteMatchingPredicate(ctx context.Context, id Panda
}
return
}
`, "`json:\"value\"`")
`, "`json:\"value\"`", "`json:\"nextLink\"`")

assertTemplatedCodeMatches(t, expected, *actual)
}

func TestTemplateMethodsListWithSimpleType(t *testing.T) {

input := ServiceGeneratorData{
packageName: "chubbyPandas",
serviceClientName: "pandaClient",
Expand All @@ -348,7 +357,6 @@ func TestTemplateMethodsListWithSimpleType(t *testing.T) {
},
operationName: "List",
}.listOperationTemplate(input)

if err != nil {
t.Fatalf("err %+v", err)
}
Expand All @@ -365,6 +373,18 @@ type ListCompleteResult struct {
Items []string
}

type ListCustomPager struct {
NextLink *odata.Link %[2]s
}

func (p ListCustomPager) NextPageLink() *odata.Link {
defer func() {
p.NextLink = nil
}()

return p.NextLink
}

// List ...
func (c pandaClient) List(ctx context.Context , id PandaPop) (result ListOperationResponse, err error) {
opts := client.RequestOptions{
Expand All @@ -373,6 +393,7 @@ func (c pandaClient) List(ctx context.Context , id PandaPop) (result ListOperati
http.StatusOK,
},
HttpMethod: http.MethodGet,
Pager: ListCustomPager,
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Path: fmt.Sprintf("%%s/pandas", id.ID()),
}

Expand Down Expand Up @@ -425,7 +446,7 @@ func (c pandaClient) ListComplete(ctx context.Context, id PandaPop) (result List
}
return
}
`, "`json:\"value\"`")
`, "`json:\"value\"`", "`json:\"nextLink\"`")

assertTemplatedCodeMatches(t, expected, *actual)
}
Expand Down Expand Up @@ -457,7 +478,6 @@ func TestTemplateMethodsListWithObject(t *testing.T) {
},
operationName: "List",
}.listOperationTemplate(input)

if err != nil {
t.Fatalf("err %+v", err)
}
Expand All @@ -474,6 +494,18 @@ type ListCompleteResult struct {
Items []LingLing
}

type ListCustomPager struct {
NextLink *odata.Link %[2]s
}

func (p ListCustomPager) NextPageLink() *odata.Link {
defer func() {
p.NextLink = nil
}()

return p.NextLink
}

// List ...
func (c pandaClient) List(ctx context.Context , id PandaPop) (result ListOperationResponse, err error) {
opts := client.RequestOptions{
Expand All @@ -482,6 +514,7 @@ func (c pandaClient) List(ctx context.Context , id PandaPop) (result ListOperati
http.StatusOK,
},
HttpMethod: http.MethodGet,
Pager: ListCustomPager,
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Path: fmt.Sprintf("%%s/pandas", id.ID()),
}

Expand Down Expand Up @@ -541,7 +574,7 @@ func (c pandaClient) ListCompleteMatchingPredicate(ctx context.Context, id Panda
}
return
}
`, "`json:\"value\"`")
`, "`json:\"value\"`", "`json:\"nextLink\"`")

assertTemplatedCodeMatches(t, expected, *actual)
}
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