Add confluence v2 get children

CONTRIBUTING.md

@@ -37,7 +37,7 @@ to .
 
 > If you want to ask a question, we assume that you have read the available [Documentation](https://docs.go-atlassian.io/).
 
-Before you ask a question, it is best to search for existing [Issues](https://github.com/ctreminiom/go-atlassianissues) that might help you. In case you have found a suitable issue and still need clarification, you can write your question in this issue. It is also advisable to search the internet for answers first.
+Before you ask a question, it is best to search for existing [Issues](https://github.com/ctreminiom/go-atlassian/issues) that might help you. In case you have found a suitable issue and still need clarification, you can write your question in this issue. It is also advisable to search the internet for answers first.
 
 If you then still feel the need to ask a question and need clarification, we recommend the following:
 

confluence/internal/page_impl.go

@@ -70,6 +70,19 @@ func (p *PageService) GetsBySpace(ctx context.Context, spaceID int, cursor strin
 	return p.internalClient.GetsBySpace(ctx, spaceID, cursor, limit)
 }
 
+// GetsByParent returns all children of a page.
+//
+// The number of results is limited by the limit parameter and additional results (if available)
+//
+// will be available through the next cursor
+//
+// GET /wiki/api/v2/pages/{id}/children
+//
+// https://docs.go-atlassian.io/confluence-cloud/v2/page#get-pages-by-parent
+func (p *PageService) GetsByParent(ctx context.Context, pageID int, cursor string, limit int) (*model.PageChunkScheme, *model.ResponseScheme, error) {
+	return p.internalClient.GetsByParent(ctx, pageID, cursor, limit)
+}
+
 // Create creates a page in the space.
 //
 // Pages are created as published by default unless specified as a draft in the status field.
@@ -228,6 +241,35 @@ func (i *internalPageImpl) GetsBySpace(ctx context.Context, spaceID int, cursor
 	return chunk, response, nil
 }
 
+func (i *internalPageImpl) GetsByParent(ctx context.Context, parentID int, cursor string, limit int) (*model.PageChunkScheme, *model.ResponseScheme, error) {
+
+	if parentID == 0 {
+		return nil, nil, model.ErrNoPageIDError
+	}
+
+	query := url.Values{}
+	query.Add("limit", strconv.Itoa(limit))
+
+	if cursor != "" {
+		query.Add("cursor", cursor)
+	}
+
+	endpoint := fmt.Sprintf("wiki/api/v2/pages/%v/children?%v", parentID, query.Encode())
+
+	request, err := i.c.NewRequest(ctx, http.MethodGet, endpoint, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	chunk := new(model.PageChunkScheme)
+	response, err := i.c.Call(request, chunk)
+	if err != nil {
+		return nil, response, err
+	}
+
+	return chunk, response, nil
+}
+
 func (i *internalPageImpl) Create(ctx context.Context, payload *model.PageCreatePayloadScheme) (*model.PageScheme, *model.ResponseScheme, error) {
 
 	reader, err := i.c.TransformStructToReader(payload)

confluence/internal/page_impl_test.go

@@ -466,6 +466,152 @@ func Test_internalPageImpl_GetsBySpace(t *testing.T) {
 	}
 }
 
+func Test_internalPageImpl_GetsByParent(t *testing.T) {
+
+	type fields struct {
+		c service.Client
+	}
+
+	type args struct {
+		ctx      context.Context
+		parentID int
+		cursor   string
+		limit    int
+	}
+
+	testCases := []struct {
+		name    string
+		fields  fields
+		args    args
+		on      func(*fields)
+		wantErr bool
+		Err     error
+	}{
+		{
+			name: "when the parameters are correct",
+			args: args{
+				ctx:      context.TODO(),
+				parentID: 20001,
+				cursor:   "cursor-sample",
+				limit:    200,
+			},
+			on: func(fields *fields) {
+
+				client := mocks.NewClient(t)
+
+				client.On("NewRequest",
+					context.Background(),
+					http.MethodGet,
+					"wiki/api/v2/pages/20001/children?cursor=cursor-sample&limit=200",
+					nil).
+					Return(&http.Request{}, nil)
+
+				client.On("Call",
+					&http.Request{},
+					&model.PageChunkScheme{}).
+					Return(&model.ResponseScheme{}, nil)
+
+				fields.c = client
+			},
+		},
+
+		{
+			name: "when the parent id is not provided",
+			args: args{
+				ctx: context.TODO(),
+			},
+			wantErr: true,
+			Err:     model.ErrNoPageIDError,
+		},
+
+		{
+			name: "when the http request cannot be created",
+			args: args{
+				ctx:      context.TODO(),
+				parentID: 20001,
+				cursor:   "cursor-sample",
+				limit:    200,
+			},
+			on: func(fields *fields) {
+
+				client := mocks.NewClient(t)
+
+				client.On("NewRequest",
+					context.Background(),
+					http.MethodGet,
+					"wiki/api/v2/pages/20001/children?cursor=cursor-sample&limit=200",
+					nil).
+					Return(&http.Request{}, errors.New("error, unable to create the http request"))
+
+				fields.c = client
+			},
+
+			wantErr: true,
+			Err:     errors.New("error, unable to create the http request"),
+		},
+
+		{
+			name: "when the call fails",
+			args: args{
+				ctx:      context.TODO(),
+				parentID: 20001,
+				cursor:   "cursor-sample",
+				limit:    200,
+			},
+			on: func(fields *fields) {
+
+				client := mocks.NewClient(t)
+
+				client.On("NewRequest",
+					context.Background(),
+					http.MethodGet,
+					"wiki/api/v2/pages/20001/children?cursor=cursor-sample&limit=200",
+					nil).
+					Return(&http.Request{}, nil)
+
+				client.On("Call",
+					&http.Request{},
+					&model.PageChunkScheme{}).
+					Return(&model.ResponseScheme{}, errors.New("error, request failed"))
+
+				fields.c = client
+			},
+
+			wantErr: true,
+			Err:     errors.New("error, request failed"),
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+
+			if testCase.on != nil {
+				testCase.on(&testCase.fields)
+			}
+
+			newService := NewPageService(testCase.fields.c)
+
+			gotResult, gotResponse, err := newService.GetsByParent(testCase.args.ctx, testCase.args.parentID,
+				testCase.args.cursor, testCase.args.limit)
+
+			if testCase.wantErr {
+
+				if err != nil {
+					t.Logf("error returned: %v", err.Error())
+				}
+
+				assert.EqualError(t, err, testCase.Err.Error())
+			} else {
+
+				assert.NoError(t, err)
+				assert.NotEqual(t, gotResponse, nil)
+				assert.NotEqual(t, gotResult, nil)
+			}
+
+		})
+	}
+}
+
 func Test_internalPageImpl_Delete(t *testing.T) {
 
 	type fields struct {

go-atlassian.iml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

service/confluence/page.go

@@ -49,6 +49,17 @@ type PageConnector interface {
 	// https://docs.go-atlassian.io/confluence-cloud/v2/page#get-pages-in-space
 	GetsBySpace(ctx context.Context, spaceID int, cursor string, limit int) (*models.PageChunkScheme, *models.ResponseScheme, error)
 
+	// GetsByParent returns all children of a page.
+	//
+	// The number of results is limited by the limit parameter and additional results (if available)
+	//
+	// will be available through the next cursor
+	//
+	// GET /wiki/api/v2/pages/{id}/children
+	//
+	// https://docs.go-atlassian.io/confluence-cloud/v2/page#get-pages-by-parent
+	GetsByParent(ctx context.Context, spaceID int, cursor string, limit int) (*models.PageChunkScheme, *models.ResponseScheme, error)
+
 	// Create creates a page in the space.
 	//
 	// Pages are created as published by default unless specified as a draft in the status field.