mark/pkg/mark/ancestry.go
2019-04-08 22:44:27 +03:00

121 lines
2.1 KiB
Go

package mark
import (
"fmt"
"strings"
"github.com/kovetskiy/mark/pkg/confluence"
"github.com/reconquest/karma-go"
)
func EnsureAncestry(
api *confluence.API,
space string,
ancestry []string,
) (*confluence.PageInfo, error) {
var parent *confluence.PageInfo
rest := ancestry
for i, title := range ancestry {
page, err := api.FindPage(space, title)
if err != nil {
return nil, karma.Format(
err,
`error during finding parent page with title '%s': %s`,
title,
)
}
if page == nil {
break
}
logger.Tracef("parent page '%s' exists: %s", title, page.Links.Full)
rest = ancestry[i:]
parent = page
}
if parent != nil {
rest = rest[1:]
} else {
page, err := api.FindRootPage(space)
if err != nil {
return nil, karma.Format(
err,
"can't find root page for space '%s': %s", space,
)
}
parent = page
}
if len(rest) == 0 {
return parent, nil
}
logger.Debugf(
"empty pages under '%s' to be created: %s",
parent.Title,
strings.Join(rest, ` > `),
)
for _, title := range rest {
page, err := api.CreatePage(space, parent, title, ``)
if err != nil {
return nil, karma.Format(
err,
`error during creating parent page with title '%s': %s`,
title,
)
}
parent = page
}
return parent, nil
}
func ValidateAncestry(
api *confluence.API,
space string,
ancestry []string,
) (*confluence.PageInfo, error) {
page, err := api.FindPage(space, ancestry[len(ancestry)-1])
if err != nil {
return nil, err
}
if page == nil {
return nil, nil
}
if len(page.Ancestors) < 1 {
return nil, fmt.Errorf(`page '%s' has no parents`, page.Title)
}
if len(page.Ancestors) < len(ancestry) {
return nil, fmt.Errorf(
"page '%s' has fewer parents than specified: %s",
page.Title,
strings.Join(ancestry, ` > `),
)
}
// skipping root article title
for i, ancestor := range page.Ancestors[1:len(ancestry)] {
if ancestor.Title != ancestry[i] {
return nil, fmt.Errorf(
"broken ancestry tree; expected tree: %s; "+
"encountered '%s' at position of '%s'",
strings.Join(ancestry, ` > `),
ancestor.Title,
ancestry[i],
)
}
}
return page, nil
}