chore: splitting monolith into packages

utils/err_checker.go

@@ -0,0 +1,7 @@
+package utils
+
+func Check(e error) {
+	if e != nil {
+		panic(e)
+	}
+}

utils/read_backlog.go

@@ -0,0 +1,32 @@
+package utils
+
+import (
+	"encoding/json"
+	"errors"
+	"gotask-cli/models"
+	"os"
+)
+
+func InitBacklog(path string) []models.Task {
+	if _, err := os.Stat(path); err == nil {
+
+	} else if errors.Is(err, os.ErrNotExist) {
+		f, err := os.Create(path)
+		Check(err)
+		defer f.Close()
+
+	} else {
+		Check(err)
+		os.Exit(1)
+	}
+	return loadBacklog(path)
+}
+
+func loadBacklog(path string) []models.Task {
+	var backlog []models.Task
+	content, err := os.ReadFile(path)
+	Check(err)
+	err = json.Unmarshal([]byte(content), &backlog)
+	Check(err)
+	return backlog
+}

utils/table_render.go

@@ -0,0 +1,31 @@
+package utils
+
+import (
+	"gotask-cli/models"
+	"os"
+	"time"
+
+	"github.com/jedib0t/go-pretty/v6/table"
+)
+
+func PrintTasksAsATable(tasks []models.Task) {
+	t := table.NewWriter()
+	t.SetOutputMirror(os.Stdout)
+	t.AppendHeader(table.Row{"Id", "Description", "Status", "Created", "Updated"})
+	for _, v := range tasks {
+		var updated string
+		if v.Updated == -1 {
+			updated = ""
+		} else {
+			updated = time.Unix(v.Updated, 0).Format(time.DateTime)
+		}
+		t.AppendRow([]interface{}{
+			v.Id,
+			v.Description,
+			models.StatusName[v.Status],
+			time.Unix(v.Created, 0).Format(time.DateTime),
+			updated,
+		})
+	}
+	t.Render()
+}

utils/write_backlog.go

@@ -0,0 +1,29 @@
+package utils
+
+import (
+	"encoding/json"
+	"errors"
+	"os"
+
+	"gotask-cli/models"
+)
+
+const tempPath string = "./tasks.save"
+
+func SaveBacklog(backlog []models.Task, path string) {
+	if _, err := os.Stat(tempPath); err == nil {
+		err = os.Remove(tempPath)
+	} else if errors.Is(err, os.ErrNotExist) {
+	} else {
+		Check(err)
+		os.Exit(1)
+	}
+	f, err := os.Create(tempPath)
+	Check(err)
+	defer f.Close()
+	backlogJSON, _ := json.MarshalIndent(backlog, "", "\t")
+	f.Write(backlogJSON)
+
+	err = os.Rename(tempPath, path)
+	Check(err)
+}