list options

plan/command/add.go

@@ -86,26 +86,26 @@ type Add struct {
 	args AddArgs
 }
 
-func (a *Add) Do(deps Dependencies) error {
+func (a *Add) Do(deps Dependencies) ([][]string, error) {
 	if err := deps.TaskRepo.Store(a.args.task); err != nil {
-		return fmt.Errorf("could not store event: %v", err)
+		return nil, fmt.Errorf("could not store event: %v", err)
 	}
 
 	localID, err := deps.LocalIDRepo.Next()
 	if err != nil {
-		return fmt.Errorf("could not create next local id: %v", err)
+		return nil, fmt.Errorf("could not create next local id: %v", err)
 	}
 	if err := deps.LocalIDRepo.Store(a.args.task.ID, localID); err != nil {
-		return fmt.Errorf("could not store local id: %v", err)
+		return nil, fmt.Errorf("could not store local id: %v", err)
 	}
 
 	it, err := a.args.task.Item()
 	if err != nil {
-		return fmt.Errorf("could not convert event to sync item: %v", err)
+		return nil, fmt.Errorf("could not convert event to sync item: %v", err)
 	}
 	if err := deps.SyncRepo.Store(it); err != nil {
-		return fmt.Errorf("could not store sync item: %v", err)
+		return nil, fmt.Errorf("could not store sync item: %v", err)
 	}
 
-	return nil
+	return nil, nil
 }

plan/command/add_test.go

@@ -6,6 +6,7 @@ import (
 
 	"go-mod.ewintr.nl/planner/item"
 	"go-mod.ewintr.nl/planner/plan/command"
+	"go-mod.ewintr.nl/planner/plan/storage"
 	"go-mod.ewintr.nl/planner/plan/storage/memory"
 )
 
@@ -66,7 +67,7 @@ func TestAdd(t *testing.T) {
 			if tc.expErr {
 				return
 			}
-			if err := cmd.Do(command.Dependencies{
+			if _, err := cmd.Do(command.Dependencies{
 				TaskRepo:    taskRepo,
 				LocalIDRepo: localIDRepo,
 				SyncRepo:    syncRepo,
@@ -74,7 +75,7 @@ func TestAdd(t *testing.T) {
 				t.Errorf("exp nil, got %v", err)
 			}
 
-			actTasks, err := taskRepo.FindAll()
+			actTasks, err := taskRepo.FindMany(storage.TaskListParams{})
 			if err != nil {
 				t.Errorf("exp nil, got %v", err)
 			}

plan/command/command.go

@@ -6,6 +6,7 @@ import (
 	"slices"
 	"strings"
 
+	"go-mod.ewintr.nl/planner/plan/format"
 	"go-mod.ewintr.nl/planner/plan/storage"
 	"go-mod.ewintr.nl/planner/sync/client"
 )
@@ -32,7 +33,7 @@ type CommandArgs interface {
 }
 
 type Command interface {
-	Do(deps Dependencies) error
+	Do(deps Dependencies) ([][]string, error)
 }
 
 type CLI struct {
@@ -44,6 +45,7 @@ func NewCLI(deps Dependencies) *CLI {
 	return &CLI{
 		deps: deps,
 		cmdArgs: []CommandArgs{
+			NewShowArgs(),
 			NewAddArgs(), NewDeleteArgs(), NewListArgs(),
 			NewSyncArgs(), NewUpdateArgs(),
 		},
@@ -51,17 +53,29 @@ func NewCLI(deps Dependencies) *CLI {
 }
 
 func (cli *CLI) Run(args []string) error {
-	main, flags := FindFields(args)
+	main, fields := FindFields(args)
 	for _, ca := range cli.cmdArgs {
-		cmd, err := ca.Parse(main, flags)
+		cmd, err := ca.Parse(main, fields)
 		switch {
 		case errors.Is(err, ErrWrongCommand):
 			continue
 		case err != nil:
 			return err
-		default:
-			return cmd.Do(cli.deps)
 		}
+
+		data, err := cmd.Do(cli.deps)
+		if err != nil {
+			return err
+		}
+
+		switch {
+		case len(data) == 0:
+		case len(data) == 1 && len(data[0]) == 1:
+			fmt.Println(data[0][0])
+		default:
+			fmt.Printf("\n%s\n", format.Table(data))
+		}
+		return nil
 	}
 
 	return fmt.Errorf("could not find matching command")

plan/command/delete.go

@@ -34,11 +34,11 @@ type Delete struct {
 	args DeleteArgs
 }
 
-func (del *Delete) Do(deps Dependencies) error {
+func (del *Delete) Do(deps Dependencies) ([][]string, error) {
 	var id string
 	idMap, err := deps.LocalIDRepo.FindAll()
 	if err != nil {
-		return fmt.Errorf("could not get local ids: %v", err)
+		return nil, fmt.Errorf("could not get local ids: %v", err)
 	}
 	for tskID, lid := range idMap {
 		if del.args.LocalID == lid {
@@ -46,30 +46,30 @@ func (del *Delete) Do(deps Dependencies) error {
 		}
 	}
 	if id == "" {
-		return fmt.Errorf("could not find local id")
+		return nil, fmt.Errorf("could not find local id")
 	}
 
-	tsk, err := deps.TaskRepo.Find(id)
+	tsk, err := deps.TaskRepo.FindOne(id)
 	if err != nil {
-		return fmt.Errorf("could not get task: %v", err)
+		return nil, fmt.Errorf("could not get task: %v", err)
 	}
 
 	it, err := tsk.Item()
 	if err != nil {
-		return fmt.Errorf("could not convert task to sync item: %v", err)
+		return nil, fmt.Errorf("could not convert task to sync item: %v", err)
 	}
 	it.Deleted = true
 	if err := deps.SyncRepo.Store(it); err != nil {
-		return fmt.Errorf("could not store sync item: %v", err)
+		return nil, fmt.Errorf("could not store sync item: %v", err)
 	}
 
 	if err := deps.LocalIDRepo.Delete(id); err != nil {
-		return fmt.Errorf("could not delete local id: %v", err)
+		return nil, fmt.Errorf("could not delete local id: %v", err)
 	}
 
 	if err := deps.TaskRepo.Delete(id); err != nil {
-		return fmt.Errorf("could not delete task: %v", err)
+		return nil, fmt.Errorf("could not delete task: %v", err)
 	}
 
-	return nil
+	return nil, nil
 }

plan/command/delete_test.go

@@ -61,19 +61,19 @@ func TestDelete(t *testing.T) {
 			if tc.expParseErr {
 				return
 			}
-			actDoErr := cmd.Do(command.Dependencies{
+			_, actDoErr := cmd.Do(command.Dependencies{
 				TaskRepo:    taskRepo,
 				LocalIDRepo: localIDRepo,
 				SyncRepo:    syncRepo,
-			}) != nil
+			})
-			if tc.expDoErr != actDoErr {
+			if tc.expDoErr != (actDoErr != nil) {
 				t.Errorf("exp false, got %v", actDoErr)
 			}
 			if tc.expDoErr {
 				return
 			}
 
-			_, repoErr := taskRepo.Find(e.ID)
+			_, repoErr := taskRepo.FindOne(e.ID)
 			if !errors.Is(repoErr, storage.ErrNotFound) {
 				t.Errorf("exp %v, got %v", storage.ErrNotFound, repoErr)
 			}

plan/command/list.go

@@ -2,6 +2,8 @@ package command
 
 import (
 	"fmt"
+
+	"go-mod.ewintr.nl/planner/plan/storage"
 )
 
 type ListArgs struct {
@@ -22,22 +24,22 @@ func (la ListArgs) Parse(main []string, flags map[string]string) (Command, error
 type List struct {
 }
 
-func (list *List) Do(deps Dependencies) error {
+func (list *List) Do(deps Dependencies) ([][]string, error) {
 	localIDs, err := deps.LocalIDRepo.FindAll()
 	if err != nil {
-		return fmt.Errorf("could not get local ids: %v", err)
+		return nil, fmt.Errorf("could not get local ids: %v", err)
 	}
-	all, err := deps.TaskRepo.FindAll()
+	all, err := deps.TaskRepo.FindMany(storage.TaskListParams{})
 	if err != nil {
-		return err
+		return nil, err
 	}
 	for _, e := range all {
 		lid, ok := localIDs[e.ID]
 		if !ok {
-			return fmt.Errorf("could not find local id for %s", e.ID)
+			return nil, fmt.Errorf("could not find local id for %s", e.ID)
 		}
 		fmt.Printf("%s\t%d\t%s\t%s\t%s\n", e.ID, lid, e.Title, e.Date.String(), e.Duration.String())
 	}
 
-	return nil
+	return nil, nil
 }

plan/command/list_test.go

@@ -54,7 +54,7 @@ func TestList(t *testing.T) {
 			if tc.expErr {
 				return
 			}
-			if err := cmd.Do(command.Dependencies{
+			if _, err := cmd.Do(command.Dependencies{
 				TaskRepo:    taskRepo,
 				LocalIDRepo: localRepo,
 			}); err != nil {

plan/command/show.go

@@ -1 +1,68 @@
 package command
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+
+	"go-mod.ewintr.nl/planner/plan/storage"
+)
+
+type ShowArgs struct {
+	localID int
+}
+
+func NewShowArgs() ShowArgs {
+	return ShowArgs{}
+}
+
+func (sa ShowArgs) Parse(main []string, fields map[string]string) (Command, error) {
+	if len(main) != 1 {
+		return nil, ErrWrongCommand
+	}
+	lid, err := strconv.Atoi(main[0])
+	if err != nil {
+		return nil, ErrWrongCommand
+	}
+
+	return &Show{
+		args: ShowArgs{
+			localID: lid,
+		},
+	}, nil
+}
+
+type Show struct {
+	args ShowArgs
+}
+
+func (s *Show) Do(deps Dependencies) ([][]string, error) {
+	id, err := deps.LocalIDRepo.FindOne(s.args.localID)
+	switch {
+	case errors.Is(err, storage.ErrNotFound):
+		return nil, fmt.Errorf("could not find local id")
+	case err != nil:
+		return nil, err
+	}
+
+	tsk, err := deps.TaskRepo.FindOne(id)
+	if err != nil {
+		return nil, fmt.Errorf("could not find task")
+	}
+
+	var recurStr string
+	if tsk.Recurrer != nil {
+		recurStr = tsk.Recurrer.String()
+	}
+	data := [][]string{
+		{"title", tsk.Title},
+		{"local id", fmt.Sprintf("%d", s.args.localID)},
+		{"date", tsk.Date.String()},
+		{"time", tsk.Time.String()},
+		{"duration", tsk.Duration.String()},
+		{"recur", recurStr},
+		// {"id", tsk.ID},
+	}
+
+	return data, nil
+}

plan/command/show_test.go

@@ -0,0 +1,86 @@
+package command_test
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"go-mod.ewintr.nl/planner/item"
+	"go-mod.ewintr.nl/planner/plan/command"
+	"go-mod.ewintr.nl/planner/plan/storage/memory"
+)
+
+func TestShow(t *testing.T) {
+	t.Parallel()
+
+	taskRepo := memory.NewTask()
+	localRepo := memory.NewLocalID()
+	tsk := item.Task{
+		ID:   "id",
+		Date: item.NewDate(2024, 10, 7),
+		TaskBody: item.TaskBody{
+			Title: "name",
+		},
+	}
+	if err := taskRepo.Store(tsk); err != nil {
+		t.Errorf("exp nil, got %v", err)
+	}
+	if err := localRepo.Store(tsk.ID, 1); err != nil {
+		t.Errorf("exp nil, got %v", err)
+	}
+
+	for _, tc := range []struct {
+		name        string
+		main        []string
+		expData     [][]string
+		expParseErr bool
+		expDoErr    bool
+	}{
+		{
+			name:        "empty",
+			main:        []string{},
+			expParseErr: true,
+		},
+		{
+			name:        "wrong",
+			main:        []string{"delete"},
+			expParseErr: true,
+		},
+		{
+			name: "local id",
+			main: []string{"1"},
+			expData: [][]string{
+				{"title", tsk.Title},
+				{"local id", fmt.Sprintf("%d", 1)},
+				{"date", tsk.Date.String()},
+				{"time", tsk.Time.String()},
+				{"duration", tsk.Duration.String()},
+				{"recur", ""},
+			},
+		},
+	} {
+		t.Run(tc.name, func(t *testing.T) {
+			cmd, actParseErr := command.NewShowArgs().Parse(tc.main, nil)
+			if tc.expParseErr != (actParseErr != nil) {
+				t.Errorf("exp %v, got %v", tc.expParseErr, actParseErr != nil)
+			}
+			if tc.expParseErr {
+				return
+			}
+			actData, actDoErr := cmd.Do(command.Dependencies{
+				TaskRepo:    taskRepo,
+				LocalIDRepo: localRepo,
+			})
+			if tc.expDoErr != (actDoErr != nil) {
+				t.Errorf("exp %v, got %v", tc.expDoErr, actDoErr != nil)
+			}
+			if tc.expDoErr {
+				return
+			}
+			if diff := cmp.Diff(tc.expData, actData); diff != "" {
+				t.Errorf("(+exp, -got)%s\n", diff)
+			}
+		})
+	}
+
+}

plan/command/sync.go

@@ -25,37 +25,37 @@ func (sa SyncArgs) Parse(main []string, flags map[string]string) (Command, error
 
 type Sync struct{}
 
-func (s *Sync) Do(deps Dependencies) error {
+func (s *Sync) Do(deps Dependencies) ([][]string, error) {
 	// local new and updated
 	sendItems, err := deps.SyncRepo.FindAll()
 	if err != nil {
-		return fmt.Errorf("could not get updated items: %v", err)
+		return nil, fmt.Errorf("could not get updated items: %v", err)
 	}
 	if err := deps.SyncClient.Update(sendItems); err != nil {
-		return fmt.Errorf("could not send updated items: %v", err)
+		return nil, fmt.Errorf("could not send updated items: %v", err)
 	}
 	if err := deps.SyncRepo.DeleteAll(); err != nil {
-		return fmt.Errorf("could not clear updated items: %v", err)
+		return nil, fmt.Errorf("could not clear updated items: %v", err)
 	}
 
 	// get new/updated items
 	ts, err := deps.SyncRepo.LastUpdate()
 	if err != nil {
-		return fmt.Errorf("could not find timestamp of last update: %v", err)
+		return nil, fmt.Errorf("could not find timestamp of last update: %v", err)
 	}
 	recItems, err := deps.SyncClient.Updated([]item.Kind{item.KindTask}, ts)
 	if err != nil {
-		return fmt.Errorf("could not receive updates: %v", err)
+		return nil, fmt.Errorf("could not receive updates: %v", err)
 	}
 
 	updated := make([]item.Item, 0)
 	for _, ri := range recItems {
 		if ri.Deleted {
 			if err := deps.LocalIDRepo.Delete(ri.ID); err != nil && !errors.Is(err, storage.ErrNotFound) {
-				return fmt.Errorf("could not delete local id: %v", err)
+				return nil, fmt.Errorf("could not delete local id: %v", err)
 			}
 			if err := deps.TaskRepo.Delete(ri.ID); err != nil && !errors.Is(err, storage.ErrNotFound) {
-				return fmt.Errorf("could not delete task: %v", err)
+				return nil, fmt.Errorf("could not delete task: %v", err)
 			}
 			continue
 		}
@@ -64,12 +64,12 @@ func (s *Sync) Do(deps Dependencies) error {
 
 	lidMap, err := deps.LocalIDRepo.FindAll()
 	if err != nil {
-		return fmt.Errorf("could not get local ids: %v", err)
+		return nil, fmt.Errorf("could not get local ids: %v", err)
 	}
 	for _, u := range updated {
 		var tskBody item.TaskBody
 		if err := json.Unmarshal([]byte(u.Body), &tskBody); err != nil {
-			return fmt.Errorf("could not unmarshal task body: %v", err)
+			return nil, fmt.Errorf("could not unmarshal task body: %v", err)
 		}
 		tsk := item.Task{
 			ID:        u.ID,
@@ -79,20 +79,20 @@ func (s *Sync) Do(deps Dependencies) error {
 			TaskBody:  tskBody,
 		}
 		if err := deps.TaskRepo.Store(tsk); err != nil {
-			return fmt.Errorf("could not store task: %v", err)
+			return nil, fmt.Errorf("could not store task: %v", err)
 		}
 		lid, ok := lidMap[u.ID]
 		if !ok {
 			lid, err = deps.LocalIDRepo.Next()
 			if err != nil {
-				return fmt.Errorf("could not get next local id: %v", err)
+				return nil, fmt.Errorf("could not get next local id: %v", err)
 			}
 
 			if err := deps.LocalIDRepo.Store(u.ID, lid); err != nil {
-				return fmt.Errorf("could not store local id: %v", err)
+				return nil, fmt.Errorf("could not store local id: %v", err)
 			}
 		}
 	}
 
-	return nil
+	return nil, nil
 }

plan/command/sync_test.go

@@ -7,6 +7,7 @@ import (
 	"github.com/google/go-cmp/cmp"
 	"go-mod.ewintr.nl/planner/item"
 	"go-mod.ewintr.nl/planner/plan/command"
+	"go-mod.ewintr.nl/planner/plan/storage"
 	"go-mod.ewintr.nl/planner/plan/storage/memory"
 	"go-mod.ewintr.nl/planner/sync/client"
 )
@@ -80,7 +81,7 @@ func TestSyncSend(t *testing.T) {
 			if err != nil {
 				t.Errorf("exp nil, got %v", err)
 			}
-			if err := cmd.Do(command.Dependencies{
+			if _, err := cmd.Do(command.Dependencies{
 				TaskRepo:    taskRepo,
 				LocalIDRepo: localIDRepo,
 				SyncRepo:    syncRepo,
@@ -206,7 +207,7 @@ func TestSyncReceive(t *testing.T) {
 			if err != nil {
 				t.Errorf("exp nil, got %v", err)
 			}
-			if err := cmd.Do(command.Dependencies{
+			if _, err := cmd.Do(command.Dependencies{
 				TaskRepo:    taskRepo,
 				LocalIDRepo: localIDRepo,
 				SyncRepo:    syncRepo,
@@ -216,7 +217,7 @@ func TestSyncReceive(t *testing.T) {
 			}
 
 			// check result
-			actTasks, err := taskRepo.FindAll()
+			actTasks, err := taskRepo.FindMany(storage.TaskListParams{})
 			if err != nil {
 				t.Errorf("exp nil, got %v", err)
 			}

plan/command/update.go

@@ -1,12 +1,14 @@
 package command
 
 import (
+	"errors"
 	"fmt"
 	"strconv"
 	"strings"
 	"time"
 
 	"go-mod.ewintr.nl/planner/item"
+	"go-mod.ewintr.nl/planner/plan/storage"
 )
 
 type UpdateArgs struct {
@@ -83,24 +85,18 @@ type Update struct {
 	args UpdateArgs
 }
 
-func (u *Update) Do(deps Dependencies) error {
+func (u *Update) Do(deps Dependencies) ([][]string, error) {
-	var id string
+	id, err := deps.LocalIDRepo.FindOne(u.args.LocalID)
-	idMap, err := deps.LocalIDRepo.FindAll()
+	switch {
-	if err != nil {
+	case errors.Is(err, storage.ErrNotFound):
-		return fmt.Errorf("could not get local ids: %v", err)
+		return nil, fmt.Errorf("could not find local id")
-	}
+	case err != nil:
-	for tid, lid := range idMap {
+		return nil, err
-		if u.args.LocalID == lid {
-			id = tid
-		}
-	}
-	if id == "" {
-		return fmt.Errorf("could not find local id")
 	}
 
-	tsk, err := deps.TaskRepo.Find(id)
+	tsk, err := deps.TaskRepo.FindOne(id)
 	if err != nil {
-		return fmt.Errorf("could not find task")
+		return nil, fmt.Errorf("could not find task")
 	}
 
 	if u.args.Title != "" {
@@ -121,20 +117,20 @@ func (u *Update) Do(deps Dependencies) error {
 	}
 
 	if !tsk.Valid() {
-		return fmt.Errorf("task is unvalid")
+		return nil, fmt.Errorf("task is unvalid")
 	}
 
 	if err := deps.TaskRepo.Store(tsk); err != nil {
-		return fmt.Errorf("could not store task: %v", err)
+		return nil, fmt.Errorf("could not store task: %v", err)
 	}
 
 	it, err := tsk.Item()
 	if err != nil {
-		return fmt.Errorf("could not convert task to sync item: %v", err)
+		return nil, fmt.Errorf("could not convert task to sync item: %v", err)
 	}
 	if err := deps.SyncRepo.Store(it); err != nil {
-		return fmt.Errorf("could not store sync item: %v", err)
+		return nil, fmt.Errorf("could not store sync item: %v", err)
 	}
 
-	return nil
+	return nil, nil
 }

plan/command/update_test.go

@@ -189,19 +189,19 @@ func TestUpdateExecute(t *testing.T) {
 			if tc.expParseErr {
 				return
 			}
-			actDoErr := cmd.Do(command.Dependencies{
+			_, actDoErr := cmd.Do(command.Dependencies{
 				TaskRepo:    taskRepo,
 				LocalIDRepo: localIDRepo,
 				SyncRepo:    syncRepo,
-			}) != nil
+			})
-			if tc.expDoErr != actDoErr {
+			if tc.expDoErr != (actDoErr != nil) {
 				t.Errorf("exp %v, got %v", tc.expDoErr, actDoErr)
 			}
 			if tc.expDoErr {
 				return
 			}
 
-			actTask, err := taskRepo.Find(tskID)
+			actTask, err := taskRepo.FindOne(tskID)
 			if err != nil {
 				t.Errorf("exp nil, got %v", err)
 			}

plan/format/format.go

@@ -0,0 +1,97 @@
+package format
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"strconv"
+	"strings"
+)
+
+func Table(data [][]string) string {
+	if len(data) == 0 {
+		return ""
+	}
+
+	// make all cells in a column the same width
+	max := make([]int, len(data[0]))
+	for _, row := range data {
+		for c, cell := range row {
+			if len(cell) > max[c] {
+				max[c] = len(cell)
+			}
+		}
+	}
+	for r, row := range data {
+		for c, cell := range row {
+			for s := len(cell); s < max[c]; s++ {
+				data[r][c] += " "
+			}
+		}
+	}
+
+	// make it smaller if the result is too wide
+	// only by making the widest column smaller for now
+	maxWidth := findTermWidth()
+	if maxWidth != 0 {
+		width := len(max) - 1
+		for _, m := range max {
+			width += m
+		}
+		shortenWith := width - maxWidth
+		widestColNo, widestColLen := 0, 0
+		for i, m := range max {
+			if m > widestColLen {
+				widestColNo, widestColLen = i, m
+			}
+		}
+		newTaskColWidth := max[widestColNo] - shortenWith
+		if newTaskColWidth < 0 {
+			return "table is too wide to display\n"
+		}
+		if newTaskColWidth < max[widestColNo] {
+			for r, row := range data {
+				data[r][widestColNo] = row[widestColNo][:newTaskColWidth]
+			}
+		}
+	}
+
+	// print the rows
+	var output string
+	for r, row := range data {
+		if r%3 == 0 {
+			output += fmt.Sprintf("%s", "\x1b[48;5;237m")
+		}
+		for c, col := range row {
+			output += col
+			if c != len(row)-1 {
+				output += " "
+			}
+		}
+		if r%3 == 0 {
+			output += fmt.Sprintf("%s", "\x1b[49m")
+		}
+		output += "\n"
+	}
+
+	return output
+}
+
+func findTermWidth() int {
+	cmd := exec.Command("stty", "size")
+	cmd.Stdin = os.Stdin
+	out, err := cmd.Output()
+	if err != nil {
+		return 0
+	}
+
+	s := string(out)
+	s = strings.TrimSpace(s)
+	sArr := strings.Split(s, " ")
+
+	width, err := strconv.Atoi(sArr[1])
+	if err != nil {
+		return 0
+	}
+	return width
+}

plan/storage/memory/localid.go

@@ -18,6 +18,19 @@ func NewLocalID() *LocalID {
 	}
 }
 
+func (ml *LocalID) FindOne(lid int) (string, error) {
+	ml.mutex.RLock()
+	defer ml.mutex.RUnlock()
+
+	for id, l := range ml.ids {
+		if lid == l {
+			return id, nil
+		}
+	}
+
+	return "", storage.ErrNotFound
+}
+
 func (ml *LocalID) FindAll() (map[string]int, error) {
 	ml.mutex.RLock()
 	defer ml.mutex.RUnlock()

plan/storage/memory/localid_test.go

@@ -54,6 +54,21 @@ func TestLocalID(t *testing.T) {
 		t.Errorf("exp 2, got %v", actLid)
 	}
 
+	t.Log("find by local id")
+	actID, actErr := repo.FindOne(1)
+	if actErr != nil {
+		t.Errorf("exp nil, got %v", actErr)
+	}
+	if actID != "test" {
+		t.Errorf("exp test, got %v", actID)
+	}
+
+	t.Log("unknown local id")
+	actID, actErr = repo.FindOne(2)
+	if !errors.Is(actErr, storage.ErrNotFound) {
+		t.Errorf("exp ErrNotFound, got %v", actErr)
+	}
+
 	actIDs, actErr = repo.FindAll()
 	if actErr != nil {
 		t.Errorf("exp nil, got %v", actErr)

plan/storage/memory/task.go

@@ -19,7 +19,7 @@ func NewTask() *Task {
 	}
 }
 
-func (t *Task) Find(id string) (item.Task, error) {
+func (t *Task) FindOne(id string) (item.Task, error) {
 	t.mutex.RLock()
 	defer t.mutex.RUnlock()
 
@@ -30,14 +30,16 @@ func (t *Task) Find(id string) (item.Task, error) {
 	return task, nil
 }
 
-func (t *Task) FindAll() ([]item.Task, error) {
+func (t *Task) FindMany(params storage.TaskListParams) ([]item.Task, error) {
 	t.mutex.RLock()
 	defer t.mutex.RUnlock()
 
 	tasks := make([]item.Task, 0, len(t.tasks))
 	for _, tsk := range t.tasks {
+		if storage.Match(tsk, params) {
 			tasks = append(tasks, tsk)
 		}
+	}
 	sort.Slice(tasks, func(i, j int) bool {
 		return tasks[i].ID < tasks[j].ID
 	})

plan/storage/memory/task_test.go

@@ -4,6 +4,7 @@ import (
 	"testing"
 
 	"go-mod.ewintr.nl/planner/item"
+	"go-mod.ewintr.nl/planner/plan/storage"
 )
 
 func TestTask(t *testing.T) {
@@ -12,7 +13,7 @@ func TestTask(t *testing.T) {
 	mem := NewTask()
 
 	t.Log("empty")
-	actTasks, actErr := mem.FindAll()
+	actTasks, actErr := mem.FindMany(storage.TaskListParams{})
 	if actErr != nil {
 		t.Errorf("exp nil, got %v", actErr)
 	}
@@ -36,7 +37,7 @@ func TestTask(t *testing.T) {
 	}
 
 	t.Log("find one")
-	actTask, actErr := mem.Find(tsk1.ID)
+	actTask, actErr := mem.FindOne(tsk1.ID)
 	if actErr != nil {
 		t.Errorf("exp nil, got %v", actErr)
 	}
@@ -45,7 +46,7 @@ func TestTask(t *testing.T) {
 	}
 
 	t.Log("find all")
-	actTasks, actErr = mem.FindAll()
+	actTasks, actErr = mem.FindMany(storage.TaskListParams{})
 	if actErr != nil {
 		t.Errorf("exp nil, got %v", actErr)
 	}

plan/storage/sqlite/localid.go

@@ -2,6 +2,7 @@ package sqlite
 
 import (
 	"database/sql"
+	"errors"
 	"fmt"
 
 	"go-mod.ewintr.nl/planner/plan/storage"
@@ -11,6 +12,23 @@ type LocalID struct {
 	db *sql.DB
 }
 
+func (l *LocalID) FindOne(lid int) (string, error) {
+	var id string
+	err := l.db.QueryRow(`
+SELECT id
+FROM localids
+WHERE local_id = ?
+`, lid).Scan(&id)
+	switch {
+	case errors.Is(err, sql.ErrNoRows):
+		return "", storage.ErrNotFound
+	case err != nil:
+		return "", fmt.Errorf("%w: %v", ErrSqliteFailure, err)
+	}
+
+	return id, nil
+}
+
 func (l *LocalID) FindAll() (map[string]int, error) {
 	rows, err := l.db.Query(`
 SELECT id, local_id

plan/storage/sqlite/task.go

@@ -38,7 +38,7 @@ recurrer=?
 	return nil
 }
 
-func (t *SqliteTask) Find(id string) (item.Task, error) {
+func (t *SqliteTask) FindOne(id string) (item.Task, error) {
 	var tsk item.Task
 	var dateStr, timeStr, recurStr, durStr string
 	err := t.db.QueryRow(`
@@ -63,7 +63,7 @@ WHERE id = ?`, id).Scan(&tsk.ID, &tsk.Title, &dateStr, &timeStr, &durStr, &recur
 	return tsk, nil
 }
 
-func (t *SqliteTask) FindAll() ([]item.Task, error) {
+func (t *SqliteTask) FindMany(params storage.TaskListParams) ([]item.Task, error) {
 	rows, err := t.db.Query(`
 SELECT id, title, date, time, duration, recurrer
 FROM tasks`)

plan/storage/storage.go

@@ -13,6 +13,7 @@ var (
 )
 
 type LocalID interface {
+	FindOne(lid int) (string, error)
 	FindAll() (map[string]int, error)
 	FindOrNext(id string) (int, error)
 	Next() (int, error)
@@ -27,13 +28,29 @@ type Sync interface {
 	LastUpdate() (time.Time, error)
 }
 
+type TaskListParams struct {
+	Recurrer bool
+	Date     item.Date
+}
+
 type Task interface {
 	Store(task item.Task) error
-	Find(id string) (item.Task, error)
+	FindOne(id string) (item.Task, error)
-	FindAll() ([]item.Task, error)
+	FindMany(params TaskListParams) ([]item.Task, error)
 	Delete(id string) error
 }
 
+func Match(tsk item.Task, req TaskListParams) bool {
+	if req.Recurrer && tsk.Recurrer == nil {
+		return false
+	}
+	if !req.Date.IsZero() && !req.Date.Equal(tsk.Date) {
+		return false
+	}
+
+	return true
+}
+
 func NextLocalID(used []int) int {
 	if len(used) == 0 {
 		return 1

plan/storage/storage_test.go

@@ -3,10 +3,60 @@ package storage_test
 import (
 	"testing"
 
+	"go-mod.ewintr.nl/planner/item"
 	"go-mod.ewintr.nl/planner/plan/storage"
 )
 
+func TestMatch(t *testing.T) {
+	t.Parallel()
+
+	tskMatch := item.Task{
+		ID:       "id",
+		Date:     item.NewDate(2024, 12, 29),
+		Recurrer: item.NewRecurrer("2024-12-29, daily"),
+		TaskBody: item.TaskBody{
+			Title: "name",
+		},
+	}
+	tskNotMatch := item.Task{
+		ID:   "id",
+		Date: item.NewDate(2024, 12, 28),
+		TaskBody: item.TaskBody{
+			Title: "name",
+		},
+	}
+
+	for _, tc := range []struct {
+		name   string
+		params storage.TaskListParams
+	}{
+		{
+			name: "date",
+			params: storage.TaskListParams{
+				Date: item.NewDate(2024, 12, 29),
+			},
+		},
+		{
+			name: "recurrer",
+			params: storage.TaskListParams{
+				Recurrer: true,
+			},
+		},
+	} {
+		t.Run(tc.name, func(t *testing.T) {
+			if !storage.Match(tskMatch, tc.params) {
+				t.Errorf("exp tsk to match")
+			}
+			if storage.Match(tskNotMatch, tc.params) {
+				t.Errorf("exp tsk to not match")
+			}
+		})
+	}
+}
+
 func TestNextLocalId(t *testing.T) {
+	t.Parallel()
+
 	for _, tc := range []struct {
 		name string
 		used []int