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chore(files): updated FilePromise API

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This commit is contained in:
Julien Dessaux 2024-02-14 09:03:19 +01:00
parent e4eccafed7
commit d7aa6c514b
Signed by: adyxax
GPG key ID: F92E51B86E07177E
1 changed files with 38 additions and 29 deletions
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67
gonf/files.go
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@ -3,7 +3,9 @@ package gonf
import (
"bytes"
"crypto/sha256"
"errors"
"io"
"io/fs"
"log/slog"
"os"
)
@ -25,26 +27,27 @@ type FilePromise struct {
status Status
}
func File(filename any, contents string) *FilePromise {
func File(filename any) *FilePromise {
return &FilePromise{
chain: nil,
contents: interfaceToValue(contents),
contents: nil,
err: nil,
filename: interfaceToTemplateValue(filename),
status: PROMISED,
}
}
func Template(filename any, contents any) *FilePromise {
return &FilePromise{
chain: nil,
contents: interfaceToTemplateValue(contents),
err: nil,
filename: interfaceToTemplateValue(filename),
status: PROMISED,
}
func (f *FilePromise) Contents(contents any) *FilePromise {
f.contents = interfaceToValue(contents)
return f
}
func (f *FilePromise) Template(contents any) *FilePromise {
f.contents = interfaceToTemplateValue(contents)
return f
}
// We want to satisfy the Promise interface
func (f *FilePromise) IfRepaired(p ...Promise) Promise {
f.chain = p
return f
@ -57,28 +60,34 @@ func (f *FilePromise) Promise() Promise {
func (f *FilePromise) Resolve() {
filename := f.filename.String()
var sumFile []byte
sumFile, f.err = sha256sumOfFile(filename)
if f.err != nil {
f.status = BROKEN
return
}
contents := f.contents.Bytes()
sumContents := sha256sum(contents)
if !bytes.Equal(sumFile, sumContents) {
if f.err = writeFile(filename, contents); f.err != nil {
f.status = BROKEN
slog.Error("file", "filename", f.filename, "status", f.status, "error", f.err)
return
if f.contents != nil {
var sumFile []byte
sumFile, f.err = sha256sumOfFile(filename)
if f.err != nil {
if errors.Is(f.err, fs.ErrNotExist) {
slog.Error("file", "filename", f.filename, "status", f.status, "error", f.err)
f.status = BROKEN
return
}
}
f.status = REPAIRED
slog.Info("file", "filename", f.filename, "status", f.status)
for _, p := range f.chain {
p.Resolve()
contents := f.contents.Bytes()
sumContents := sha256sum(contents)
if !bytes.Equal(sumFile, sumContents) {
if f.err = writeFile(filename, contents); f.err != nil {
f.status = BROKEN
slog.Error("file", "filename", f.filename, "status", f.status, "error", f.err)
return
}
f.status = REPAIRED
slog.Info("file", "filename", f.filename, "status", f.status)
for _, p := range f.chain {
p.Resolve()
}
}
return
}
f.status = KEPT
if f.status == PROMISED {
f.status = KEPT
}
slog.Debug("file", "filename", f.filename, "status", f.status)
}