/
util.go
41 lines (36 loc) · 834 Bytes
/
util.go
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package main
import (
"github.com/joshlf13/todo/graph"
json "github.com/joshlf13/todo/json/file"
"io/ioutil"
"os"
)
func jsonFileToTasksDefault() (graph.Tasks, error) { return jsonFileToTasks(file) }
func tasksToJSONFileDefault(t graph.Tasks) error { return tasksToJSONFile(t, file) }
func jsonFileToTasks(fname string) (graph.Tasks, error) {
f, err := os.Open(fname)
if err != nil {
return nil, err
}
defer f.Close()
b, err := ioutil.ReadAll(f)
if err != nil {
return nil, err
}
tasks, err := json.Unmarshal(b)
if err != nil {
return nil, err
}
t, err := graph.GraphFromTasks(tasks)
if err != nil {
return nil, err
}
return t, err
}
func tasksToJSONFile(t graph.Tasks, fname string) error {
b, err := json.Marshal(t.Values())
if err != nil {
return err
}
return ioutil.WriteFile(fname, b, 0)
}