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package hyphae
import (
"github.com/bouncepaw/mycorrhiza/util"
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"os"
"path/filepath"
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)
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// ExistingHypha is not EmptyHypha. *MediaHypha and *TextualHypha implement this interface.
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type ExistingHypha interface {
Hypha
HasTextFile ( ) bool
TextFilePath ( ) string
}
// RenameHyphaTo renames a hypha and renames stored filepaths as needed. The actual files are not moved, move them yourself.
func RenameHyphaTo ( h ExistingHypha , newName string , replaceName func ( string ) string ) {
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// TODO: that replaceName is suspicious, get rid of it.
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newName = util . CanonicalName ( newName )
byNamesMutex . Lock ( )
h . Lock ( )
delete ( byNames , h . CanonicalName ( ) )
switch h := h . ( type ) {
case * TextualHypha :
h . canonicalName = newName
h . mycoFilePath = replaceName ( h . mycoFilePath )
case * MediaHypha :
h . canonicalName = newName
h . mycoFilePath = replaceName ( h . mediaFilePath )
h . mediaFilePath = replaceName ( h . mediaFilePath )
}
byNames [ h . CanonicalName ( ) ] = h
byNamesMutex . Unlock ( )
h . Unlock ( )
}
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// DeleteHypha deletes the hypha from the storage.
func DeleteHypha ( h ExistingHypha ) {
byNamesMutex . Lock ( )
h . Lock ( )
delete ( byNames , h . CanonicalName ( ) )
decrementCount ( )
byNamesMutex . Unlock ( )
h . Unlock ( )
}
// Insert inserts the hypha into the storage, possibly overwriting the previous hypha with the same name. Count incrementation is done if needed. You cannot insert an empty hypha.
func Insert ( h ExistingHypha ) ( madeNewRecord bool ) {
_ , recorded := byNames [ h . CanonicalName ( ) ]
byNamesMutex . Lock ( )
byNames [ h . CanonicalName ( ) ] = h
byNamesMutex . Unlock ( )
if ! recorded {
incrementCount ( )
}
return ! recorded
}
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func WriteToMycoFile ( h ExistingHypha , data [ ] byte ) error {
if err := os . MkdirAll ( filepath . Dir ( h . TextFilePath ( ) ) , 0777 ) ; err != nil {
return err
}
if err := os . WriteFile ( h . TextFilePath ( ) , data , 0666 ) ; err != nil {
return err
}
switch h := h . ( type ) {
case * MediaHypha :
if ! h . HasTextFile ( ) {
h . mycoFilePath = h . TextFilePath ( )
}
}
return nil
}