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rolens/internal/app/app_settings.go

84 lines
2.2 KiB
Go

package app
import (
"encoding/json"
"io/ioutil"
"os"
"path"
"github.com/ncruces/zenity"
"github.com/wailsapp/wails/v2/pkg/runtime"
)
type Settings struct {
DefaultLimit int64 `json:"defaultLimit"`
DefaultSort string `json:"defaultSort"`
AutosubmitQuery bool `json:"autosubmitQuery"`
DefaultExportDirectory string `json:"defaultExportDirectory"`
}
func NewSettings(a *App) Settings {
return Settings{
DefaultLimit: 20,
DefaultSort: `{ "_id": 1 }`,
AutosubmitQuery: true,
DefaultExportDirectory: path.Join(a.Env.HomeDirectory, "Downloads"),
}
}
func (a *App) Settings() Settings {
s := NewSettings(a)
filePath := path.Join(a.Env.DataDirectory, "settings.json")
jsonData, err := ioutil.ReadFile(filePath)
if err != nil {
// It's ok if the file cannot be opened, for example if it is not accessible.
// Therefore no error is returned.
runtime.LogInfo(a.ctx, "Cannot open settings.json:")
runtime.LogInfo(a.ctx, err.Error())
return s
}
if len(jsonData) == 0 {
return s
} else {
err = json.Unmarshal(jsonData, &s)
if err != nil {
runtime.LogWarning(a.ctx, "Cannot unmarshal settings.json:")
runtime.LogWarning(a.ctx, err.Error())
zenity.Warning("Could not retrieve application settings, using defaults!", zenity.WarningIcon)
}
return s
}
}
func (a *App) UpdateSettings(jsonData string) Settings {
s := a.Settings()
err := json.Unmarshal([]byte(jsonData), &s)
if err != nil {
runtime.LogError(a.ctx, "Malformed JSON for settings file:")
runtime.LogError(a.ctx, err.Error())
zenity.Error(err.Error(), zenity.Title("Malformed JSON"), zenity.ErrorIcon)
return s
}
newJson, err := json.MarshalIndent(s, "", "\t")
if err != nil {
runtime.LogError(a.ctx, "Could not marshal settings into JSON:")
runtime.LogError(a.ctx, err.Error())
zenity.Error(err.Error(), zenity.Title("Malformed JSON"), zenity.ErrorIcon)
return s
}
filePath := path.Join(a.Env.DataDirectory, "settings.json")
err = ioutil.WriteFile(filePath, newJson, os.ModePerm)
if err != nil {
runtime.LogError(a.ctx, "Could not update host list:")
runtime.LogError(a.ctx, err.Error())
zenity.Error(err.Error(), zenity.Title("Could not update host list"), zenity.ErrorIcon)
}
return s
}