mirror of
https://github.com/mattermost/focalboard.git
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103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
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package app
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import (
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"bytes"
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"fmt"
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"strings"
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_ "embed"
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"github.com/mattermost/focalboard/server/model"
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"github.com/mattermost/mattermost-server/v6/shared/mlog"
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)
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const (
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defaultTemplateVersion = 2
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)
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//go:embed templates.boardarchive
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var defTemplates []byte
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// initializeTemplates imports default templates if the blocks table is empty.
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func (a *App) initializeTemplates() error {
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blocks, err := a.store.GetDefaultTemplateBlocks()
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if err != nil {
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return fmt.Errorf("cannot initialize templates: %w", err)
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}
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a.logger.Debug("Fetched template blocks", mlog.Int("count", len(blocks)))
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isNeeded, reason := a.isInitializationNeeded(blocks)
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if !isNeeded {
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a.logger.Debug("Template import not needed, skipping")
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return nil
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}
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a.logger.Debug("Importing new default templates", mlog.String("reason", reason))
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if err := a.store.RemoveDefaultTemplates(blocks); err != nil {
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return fmt.Errorf("cannot remove old templates: %w", err)
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}
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r := bytes.NewReader(defTemplates)
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opt := model.ImportArchiveOptions{
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WorkspaceID: "0",
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ModifiedBy: "system",
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BlockModifier: fixTemplateBlock,
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}
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return a.ImportArchive(r, opt)
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}
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// isInitializationNeeded returns true if the blocks table contains no default templates,
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// or contains at least one default template with an old version number.
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func (a *App) isInitializationNeeded(blocks []model.Block) (bool, string) {
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if len(blocks) == 0 {
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return true, "no default templates found"
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}
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// look for any template blocks with the wrong version number (or no version #).
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for _, block := range blocks {
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v, ok := block.Fields["templateVer"]
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if !ok {
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return true, "block missing templateVer"
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}
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version, ok := v.(float64)
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if !ok {
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return true, "templateVer NaN"
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}
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if version < defaultTemplateVersion {
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return true, "templateVer too old"
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}
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}
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return false, ""
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}
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// fixTemplateBlock fixes a block to be inserted as part of a template.
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func fixTemplateBlock(block *model.Block, cache map[string]interface{}) bool {
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// cache contains ids of skipped blocks. Ensure their children are skipped as well.
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if _, ok := cache[block.ParentID]; ok {
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cache[block.ID] = struct{}{}
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return false
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}
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// filter out template blocks; we only want the non-template
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// blocks which we will turn into default template blocks.
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if b, ok := block.Fields["isTemplate"]; ok {
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if val, ok := b.(bool); ok && val {
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cache[block.ID] = struct{}{}
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return false
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}
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}
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// remove '(NEW)' from title & force template flag
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if block.Type == model.TypeBoard {
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block.Title = strings.ReplaceAll(block.Title, "(NEW)", "")
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block.Fields["isTemplate"] = true
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block.Fields["templateVer"] = defaultTemplateVersion
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}
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return true
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}
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