Files
sow-tools/internal/topdata/tailmodel_migrate.go

87 lines
2.1 KiB
Go

package topdata
import (
"encoding/json"
"os"
"path/filepath"
)
func importLegacyTailmodel(referenceBuilderDir, dataDir string, legacyTLK *legacyTLKData) (int, error) {
_ = legacyTLK
legacyDir := filepath.Join(referenceBuilderDir, "data", "tailmodel")
if _, err := os.Stat(legacyDir); err != nil {
if os.IsNotExist(err) {
return 0, nil
}
return 0, err
}
targetDir := filepath.Join(dataDir, "tailmodel")
targetBasePath := filepath.Join(targetDir, "base.json")
targetLockPath := filepath.Join(targetDir, "lock.json")
targetModulesDir := filepath.Join(targetDir, "modules")
targetModulePaths := []string{
filepath.Join(targetModulesDir, "add.json"),
filepath.Join(targetModulesDir, "ovr_tailprefixes.json"),
}
if fileExists(targetBasePath) && fileExists(targetLockPath) {
allModulesPresent := true
for _, path := range targetModulePaths {
if !fileExists(path) {
allModulesPresent = false
break
}
}
if allModulesPresent {
return 0, nil
}
}
baseObj, err := loadJSONObject(filepath.Join(legacyDir, "base.json"))
if err != nil {
return 0, err
}
baseObj["output"] = "tailmodel.2da"
lockObj, err := loadJSONObject(filepath.Join(legacyDir, "lock.json"))
if err != nil {
return 0, err
}
moduleNames := []string{"add.json", "ovr_tailprefixes.json"}
moduleObjs := make([]map[string]any, 0, len(moduleNames))
for _, name := range moduleNames {
obj, err := loadJSONObject(filepath.Join(legacyDir, "modules", name))
if err != nil {
return 0, err
}
moduleObjs = append(moduleObjs, obj)
}
if err := os.MkdirAll(targetModulesDir, 0o755); err != nil {
return 0, err
}
writes := []struct {
path string
obj map[string]any
}{
{path: targetBasePath, obj: baseObj},
{path: targetLockPath, obj: lockObj},
{path: targetModulePaths[0], obj: moduleObjs[0]},
{path: targetModulePaths[1], obj: moduleObjs[1]},
}
for _, write := range writes {
raw, err := json.MarshalIndent(write.obj, "", " ")
if err != nil {
return 0, err
}
raw = append(raw, '\n')
if err := os.WriteFile(write.path, raw, 0o644); err != nil {
return 0, err
}
}
return len(writes), nil
}