mirror of
https://github.com/dstotijn/go-notion.git
synced 2025-06-10 23:47:33 +02:00
Don't panic when unmarshaling blocks (#50)
* don't panic * Block() returns err * Rework unknown block type logic, add tests --------- Co-authored-by: David Stotijn <dstotijn@gmail.com>
This commit is contained in:
bassettb
GitHub
parent
87a7d4c3cd
commit
c6f2e5b343
106
block.go
106
block.go
@ -2,10 +2,14 @@ package notion
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import (
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"encoding/json"
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"errors"
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"fmt"
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"time"
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)
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// ErrUnknownBlockType is used when encountering an unknown block type.
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var ErrUnknownBlockType = errors.New("unknown block type")
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// Block represents content on the Notion platform.
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// See: https://developers.notion.com/reference/block
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type Block interface {
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@ -63,6 +67,7 @@ type blockDTO struct {
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LinkToPage *LinkToPageBlock `json:"link_to_page,omitempty"`
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SyncedBlock *SyncedBlock `json:"synced_block,omitempty"`
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Template *TemplateBlock `json:"template,omitempty"`
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Unsupported *UnsupportedBlock `json:"unsupported,omitempty"`
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}
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type baseBlock struct {
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@ -812,6 +817,24 @@ func (b BreadcrumbBlock) MarshalJSON() ([]byte, error) {
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})
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}
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type UnsupportedBlock struct {
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baseBlock
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}
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// MarshalJSON implements json.Marshaler.
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func (b UnsupportedBlock) MarshalJSON() ([]byte, error) {
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type (
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blockAlias UnsupportedBlock
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dto struct {
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Unsupported blockAlias `json:"unsupported"`
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}
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)
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return json.Marshal(dto{
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Unsupported: blockAlias(b),
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})
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}
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type BlockType string
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const (
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@ -880,13 +903,21 @@ func (resp *BlockChildrenResponse) UnmarshalJSON(b []byte) error {
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resp.Results = make([]Block, len(dto.Results))
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for i, blockDTO := range dto.Results {
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resp.Results[i] = blockDTO.Block()
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block, err := blockDTO.Block()
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if err != nil {
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// Any error (even `ErrUnknownBlockType`) is explicitly returned.
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// We don't silently drop blocks with an unknown/unmapped type,
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// because this could lead to surprises/unexpected list behaviour
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// for users.
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return fmt.Errorf("notion: failed to parse block (id: %q, type: %q): %w", blockDTO.ID, blockDTO.Type, err)
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}
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resp.Results[i] = block
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}
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return nil
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}
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func (dto blockDTO) Block() Block {
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func (dto blockDTO) Block() (Block, error) {
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baseBlock := baseBlock{
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id: dto.ID,
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hasChildren: dto.HasChildren,
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@ -919,101 +950,106 @@ func (dto blockDTO) Block() Block {
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switch dto.Type {
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case BlockTypeParagraph:
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dto.Paragraph.baseBlock = baseBlock
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return dto.Paragraph
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return dto.Paragraph, nil
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case BlockTypeHeading1:
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dto.Heading1.baseBlock = baseBlock
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return dto.Heading1
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return dto.Heading1, nil
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case BlockTypeHeading2:
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dto.Heading2.baseBlock = baseBlock
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return dto.Heading2
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return dto.Heading2, nil
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case BlockTypeHeading3:
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dto.Heading3.baseBlock = baseBlock
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return dto.Heading3
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return dto.Heading3, nil
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case BlockTypeBulletedListItem:
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dto.BulletedListItem.baseBlock = baseBlock
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return dto.BulletedListItem
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return dto.BulletedListItem, nil
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case BlockTypeNumberedListItem:
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dto.NumberedListItem.baseBlock = baseBlock
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return dto.NumberedListItem
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return dto.NumberedListItem, nil
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case BlockTypeToDo:
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dto.ToDo.baseBlock = baseBlock
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return dto.ToDo
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return dto.ToDo, nil
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case BlockTypeToggle:
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dto.Toggle.baseBlock = baseBlock
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return dto.Toggle
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return dto.Toggle, nil
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case BlockTypeChildPage:
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dto.ChildPage.baseBlock = baseBlock
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return dto.ChildPage
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return dto.ChildPage, nil
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case BlockTypeChildDatabase:
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dto.ChildDatabase.baseBlock = baseBlock
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return dto.ChildDatabase
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return dto.ChildDatabase, nil
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case BlockTypeCallout:
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dto.Callout.baseBlock = baseBlock
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return dto.Callout
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return dto.Callout, nil
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case BlockTypeQuote:
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dto.Quote.baseBlock = baseBlock
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return dto.Quote
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return dto.Quote, nil
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case BlockTypeCode:
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dto.Code.baseBlock = baseBlock
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return dto.Code
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return dto.Code, nil
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case BlockTypeEmbed:
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dto.Embed.baseBlock = baseBlock
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return dto.Embed
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return dto.Embed, nil
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case BlockTypeImage:
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dto.Image.baseBlock = baseBlock
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return dto.Image
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return dto.Image, nil
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case BlockTypeAudio:
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dto.Audio.baseBlock = baseBlock
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return dto.Audio
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return dto.Audio, nil
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case BlockTypeVideo:
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dto.Video.baseBlock = baseBlock
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return dto.Video
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return dto.Video, nil
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case BlockTypeFile:
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dto.File.baseBlock = baseBlock
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return dto.File
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return dto.File, nil
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case BlockTypePDF:
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dto.PDF.baseBlock = baseBlock
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return dto.PDF
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return dto.PDF, nil
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case BlockTypeBookmark:
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dto.Bookmark.baseBlock = baseBlock
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return dto.Bookmark
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return dto.Bookmark, nil
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case BlockTypeEquation:
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dto.Equation.baseBlock = baseBlock
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return dto.Equation
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return dto.Equation, nil
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case BlockTypeDivider:
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dto.Divider.baseBlock = baseBlock
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return dto.Divider
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return dto.Divider, nil
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case BlockTypeTableOfContents:
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dto.TableOfContents.baseBlock = baseBlock
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return dto.TableOfContents
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return dto.TableOfContents, nil
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case BlockTypeBreadCrumb:
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dto.Breadcrumb.baseBlock = baseBlock
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return dto.Breadcrumb
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return dto.Breadcrumb, nil
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case BlockTypeColumnList:
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dto.ColumnList.baseBlock = baseBlock
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return dto.ColumnList
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return dto.ColumnList, nil
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case BlockTypeColumn:
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dto.Column.baseBlock = baseBlock
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return dto.Column
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return dto.Column, nil
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case BlockTypeTable:
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dto.Table.baseBlock = baseBlock
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return dto.Table
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return dto.Table, nil
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case BlockTypeTableRow:
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dto.TableRow.baseBlock = baseBlock
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return dto.TableRow
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return dto.TableRow, nil
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case BlockTypeLinkPreview:
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dto.LinkPreview.baseBlock = baseBlock
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return dto.LinkPreview
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return dto.LinkPreview, nil
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case BlockTypeLinkToPage:
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dto.LinkToPage.baseBlock = baseBlock
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return dto.LinkToPage
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return dto.LinkToPage, nil
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case BlockTypeSyncedBlock:
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dto.SyncedBlock.baseBlock = baseBlock
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return dto.SyncedBlock
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return dto.SyncedBlock, nil
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case BlockTypeTemplate:
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dto.Template.baseBlock = baseBlock
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return dto.Template
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return dto.Template, nil
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case BlockTypeUnsupported:
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dto.Unsupported.baseBlock = baseBlock
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return dto.Unsupported, nil
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default:
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panic(fmt.Sprintf("type %q is unsupported", dto.Type))
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// When this case is selected, the block type is supported in the Notion
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// API, but unknown in this library.
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return nil, ErrUnknownBlockType
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}
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}
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@ -437,7 +437,7 @@ func (c *Client) FindBlockByID(ctx context.Context, blockID string) (Block, erro
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return nil, fmt.Errorf("notion: failed to parse HTTP response: %w", err)
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}
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return dto.Block(), nil
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return dto.Block()
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}
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// UpdateBlock updates a block.
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@ -472,10 +472,11 @@ func (c *Client) UpdateBlock(ctx context.Context, blockID string, block Block) (
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return nil, fmt.Errorf("notion: failed to parse HTTP response: %w", err)
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}
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return dto.Block(), nil
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return dto.Block()
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}
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// DeleteBlock sets `archived: true` on a (page) block object.
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// Will return UnsupportedBlockError if it deletes the block but cannot decode it
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// See: https://developers.notion.com/reference/delete-a-block
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func (c *Client) DeleteBlock(ctx context.Context, blockID string) (Block, error) {
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req, err := c.newRequest(ctx, http.MethodDelete, "/blocks/"+blockID, nil)
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@ -500,7 +501,7 @@ func (c *Client) DeleteBlock(ctx context.Context, blockID string) (Block, error)
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return nil, fmt.Errorf("notion: failed to parse HTTP response: %w", err)
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}
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return dto.Block(), nil
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return dto.Block()
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}
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// FindUserByID fetches a user by ID.
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@ -4,6 +4,7 @@ import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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@ -3074,6 +3075,15 @@ func TestFindBlockChildrenById(t *testing.T) {
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}
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]
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}
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},
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{
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"object": "block",
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"id": "5e113754-eae4-4da9-96d2-675977acce99",
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"created_time": "2021-05-14T09:15:00.000Z",
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"last_edited_time": "2021-05-14T09:15:00.000Z",
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"has_children": false,
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"type": "unsupported",
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"unsupported": {}
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}
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],
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"next_cursor": "A^hd",
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@ -3102,6 +3112,7 @@ func TestFindBlockChildrenById(t *testing.T) {
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},
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},
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},
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¬ion.UnsupportedBlock{},
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},
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HasMore: true,
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NextCursor: notion.StringPtr("A^hd"),
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@ -3114,6 +3125,13 @@ func TestFindBlockChildrenById(t *testing.T) {
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hasChildren: false,
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archived: false,
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},
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{
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id: "5e113754-eae4-4da9-96d2-675977acce99",
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createdTime: mustParseTime(time.RFC3339, "2021-05-14T09:15:00.000Z"),
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lastEditedTime: mustParseTime(time.RFC3339, "2021-05-14T09:15:00.000Z"),
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hasChildren: false,
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archived: false,
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},
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},
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expError: nil,
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},
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@ -3139,6 +3157,30 @@ func TestFindBlockChildrenById(t *testing.T) {
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},
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expError: nil,
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},
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{
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name: "unknown block type",
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respBody: func(_ *http.Request) io.Reader {
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return strings.NewReader(
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`{
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"object": "list",
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"results": [
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{
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"object": "block",
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"id": "ae9c9a31-1c1e-4ae2-a5ee-c539a2d43113",
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"created_time": "2021-05-14T09:15:00.000Z",
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"last_edited_time": "2021-05-14T09:15:00.000Z",
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"has_children": false,
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"type": "foobar"
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}
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],
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"next_cursor": null,
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"has_more": false
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}`,
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)
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},
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respStatusCode: http.StatusOK,
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expError: fmt.Errorf(`notion: failed to parse HTTP response: notion: failed to parse block (id: "ae9c9a31-1c1e-4ae2-a5ee-c539a2d43113", type: "foobar"): unknown block type`),
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},
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{
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name: "error response",
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respBody: func(_ *http.Request) io.Reader {
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@ -3200,7 +3242,7 @@ func TestFindBlockChildrenById(t *testing.T) {
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t.Fatalf("error not equal (expected: %v, got: %v)", tt.expError, err)
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}
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if diff := cmp.Diff(tt.expResponse, resp, cmpopts.IgnoreUnexported(notion.ParagraphBlock{})); diff != "" {
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if diff := cmp.Diff(tt.expResponse, resp, cmpopts.IgnoreUnexported(notion.ParagraphBlock{}, notion.UnsupportedBlock{})); diff != "" {
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t.Fatalf("response not equal (-exp, +got):\n%v", diff)
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}
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