add pretty list output

main.go

@@ -2,19 +2,11 @@ package main
 
 import (
 	"encoding/json"
-	"fmt"
 	"github.com/jawher/mow.cli"
 	"os"
 	"time"
 )
 
-func maybe(err error) {
-	if err != nil {
-		fmt.Printf("Error:\n%s\n", err)
-		os.Exit(1)
-	}
-}
-
 func start(path *string) func(*cli.Cmd) {
 	return func(cmd *cli.Cmd) {
 		cmd.Spec = "[OPTIONS] MESSAGE"
@@ -55,13 +47,20 @@ func initialize(path *string) func(*cli.Cmd) {
 
 func list(path *string) func(*cli.Cmd) {
 	return func(cmd *cli.Cmd) {
+		cmd.Spec = "[OPTIONS]"
+		var asJSON = cmd.BoolOpt("json", false, "output task history as JSON")
 		cmd.Action = func() {
 			db, err := NewStore(*path)
 			maybe(err)
 			defer db.Close()
 			tasks, err := db.ReadTasks()
 			maybe(err)
+			if *asJSON {
 				maybe(json.NewEncoder(os.Stdout).Encode(tasks))
+				return
+			}
+			config, _ := NewConfig(*path + "/config.json")
+			summerizeTasks(config, tasks)
 		}
 	}
 }
@@ -83,7 +82,7 @@ func main() {
 	app := cli.App("pomo", "Pomodoro CLI")
 	app.Spec = "[OPTIONS]"
 	var (
-		path = app.StringOpt("p path", defaultDBPath(), "path to the pomo state directory")
+		path = app.StringOpt("p path", defaultConfigPath(), "path to the pomo config directory")
 	)
 	app.Command("start s", "start a new task", start(path))
 	app.Command("init", "initialize the sqlite database", initialize(path))

store.go

@@ -4,7 +4,6 @@ import (
 	"database/sql"
 	_ "github.com/mattn/go-sqlite3"
 	"os"
-	"os/user"
 	"strings"
 	"time"
 )
@@ -12,12 +11,6 @@ import (
 // 2018-01-16 19:05:21.752851759+08:00
 const datetimeFmt = "2006-01-02 15:04:05.999999999-07:00"
 
-func defaultDBPath() string {
-	u, err := user.Current()
-	maybe(err)
-	return u.HomeDir + "/.pomo"
-}
-
 type Store struct {
 	db *sql.DB
 }

types.go

@@ -1,6 +1,10 @@
 package main
 
 import (
+	"encoding/json"
+	"fmt"
+	"github.com/fatih/color"
+	"io/ioutil"
 	"os/exec"
 	"time"
 )
@@ -18,6 +22,47 @@ type Message struct {
 	CurrentPomodoro int
 }
 
+// Config represents user preferences
+type Config struct {
+	Colors map[string]*color.Color
+}
+
+var colorMap = map[string]*color.Color{
+	"red":   color.New(color.FgRed),
+	"blue":  color.New(color.FgBlue),
+	"green": color.New(color.FgGreen),
+	"white": color.New(color.FgWhite),
+}
+
+func (c *Config) UnmarshalJSON(raw []byte) error {
+	config := &struct {
+		Colors map[string]string `json:"colors"`
+	}{}
+	err := json.Unmarshal(raw, config)
+	if err != nil {
+		return err
+	}
+	for key, name := range config.Colors {
+		if color, ok := colorMap[name]; ok {
+			c.Colors[key] = color
+		} else {
+			return fmt.Errorf("bad color choice: %s", name)
+		}
+	}
+	return nil
+}
+
+func NewConfig(path string) (*Config, error) {
+	raw, err := ioutil.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+	config := &Config{
+		Colors: map[string]*color.Color{},
+	}
+	return config, json.Unmarshal(raw, config)
+}
+
 // Task describes some activity
 type Task struct {
 	ID        int         `json:"id"`

util.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	//"github.com/fatih/color"
+	"os"
+	"os/user"
+)
+
+func maybe(err error) {
+	if err != nil {
+		fmt.Printf("Error:\n%s\n", err)
+		os.Exit(1)
+	}
+}
+
+func defaultConfigPath() string {
+	u, err := user.Current()
+	maybe(err)
+	return u.HomeDir + "/.pomo"
+}
+
+func summerizeTasks(config *Config, tasks []*Task) {
+	for _, task := range tasks {
+		var tags string
+		if len(task.Tags) > 0 {
+			for i, tag := range task.Tags {
+				if color, ok := config.Colors[tag]; ok {
+					if i > 0 {
+						tags += " "
+					}
+					tags += color.SprintfFunc()("%s", tag)
+				}
+			}
+		}
+		fmt.Printf("%d [%s]: %s\n", task.ID, tags, task.Message)
+	}
+}