1 files changed, 159 insertions, 0 deletions
diff --git a/internal/task/taskwarrior.go b/internal/task/taskwarrior.go
new file mode 100644
index 0000000..10b31b6
--- /dev/null
+++ b/internal/task/taskwarrior.go
@@ -0,0 +1,159 @@
+package task
+
+import (
+	"context"
+	"os/exec"
+	"time"
+)
+
+// Taskwarrior describes the Taskwarrior operations required by the UI.
+type Taskwarrior interface {
+	Export(ctx context.Context, filters ...string) ([]Task, error)
+	SortTasks(tasks []Task)
+	TotalTasks(tasks []Task) int
+	InProgressTasks(tasks []Task) int
+	DueTasks(tasks []Task, now time.Time) int
+	EditCmd(id int) *exec.Cmd
+	RunShellLine(ctx context.Context, line string) (RunResult, error)
+	LoadCompletionSources(ctx context.Context) CompletionSources
+	AddLineContext(ctx context.Context, line string) error
+	AnnotateContext(ctx context.Context, id int, text string) error
+	ReplaceAnnotations(ctx context.Context, id int, text string) error
+	SetDescriptionContext(ctx context.Context, id int, desc string) error
+	AddTagsContext(ctx context.Context, id int, tags []string) error
+	RemoveTagsContext(ctx context.Context, id int, tags []string) error
+	SetDueDateContext(ctx context.Context, id int, due string) error
+	SetRecurrenceContext(ctx context.Context, id int, rec string) error
+	SetProjectContext(ctx context.Context, id int, project string) error
+	SetPriorityContext(ctx context.Context, id int, priority string) error
+	StartContext(ctx context.Context, id int) error
+	StopContext(ctx context.Context, id int) error
+	DoneContext(ctx context.Context, id int) error
+	SetStatusUUIDContext(ctx context.Context, uuid, status string) error
+	RecurringSeries(ctx context.Context, rootUUID string) ([]Task, error)
+}
+
+// Client is the production Taskwarrior implementation backed by the task CLI.
+type Client struct{}
+
+var _ Taskwarrior = Client{}
+
+// NewTaskwarrior returns a production Taskwarrior Client.
+func NewTaskwarrior() Client {
+	return Client{}
+}
+
+// Export retrieves tasks using Taskwarrior export.
+func (Client) Export(ctx context.Context, filters ...string) ([]Task, error) {
+	return Export(ctx, filters...)
+}
+
+// SortTasks orders tasks using TaskSamurai's default task ordering.
+func (Client) SortTasks(tasks []Task) {
+	SortTasks(tasks)
+}
+
+// TotalTasks returns the number of tasks provided.
+func (Client) TotalTasks(tasks []Task) int {
+	return TotalTasks(tasks)
+}
+
+// InProgressTasks returns the number of started, incomplete tasks.
+func (Client) InProgressTasks(tasks []Task) int {
+	return InProgressTasks(tasks)
+}
+
+// DueTasks returns the number of due tasks.
+func (Client) DueTasks(tasks []Task, now time.Time) int {
+	return DueTasks(tasks, now)
+}
+
+// EditCmd returns an editor command for a task.
+func (Client) EditCmd(id int) *exec.Cmd {
+	return EditCmd(id)
+}
+
+// RunShellLine runs a user-entered Taskwarrior shell command.
+func (Client) RunShellLine(ctx context.Context, line string) (RunResult, error) {
+	return RunShellLine(ctx, line)
+}
+
+// LoadCompletionSources returns Taskwarrior-provided completion candidates.
+func (Client) LoadCompletionSources(ctx context.Context) CompletionSources {
+	return LoadCompletionSources(ctx)
+}
+
+// AddLineContext adds a task from a shell-style input line.
+func (Client) AddLineContext(ctx context.Context, line string) error {
+	return AddLineContext(ctx, line)
+}
+
+// AnnotateContext adds an annotation to a task.
+func (Client) AnnotateContext(ctx context.Context, id int, text string) error {
+	return AnnotateContext(ctx, id, text)
+}
+
+// ReplaceAnnotations replaces all annotations on a task.
+func (Client) ReplaceAnnotations(ctx context.Context, id int, text string) error {
+	return ReplaceAnnotations(ctx, id, text)
+}
+
+// SetDescriptionContext changes a task description.
+func (Client) SetDescriptionContext(ctx context.Context, id int, desc string) error {
+	return SetDescriptionContext(ctx, id, desc)
+}
+
+// AddTagsContext adds tags to a task.
+func (Client) AddTagsContext(ctx context.Context, id int, tags []string) error {
+	return AddTagsContext(ctx, id, tags)
+}
+
+// RemoveTagsContext removes tags from a task.
+func (Client) RemoveTagsContext(ctx context.Context, id int, tags []string) error {
+	return RemoveTagsContext(ctx, id, tags)
+}
+
+// SetDueDateContext changes a task due date.
+func (Client) SetDueDateContext(ctx context.Context, id int, due string) error {
+	return SetDueDateContext(ctx, id, due)
+}
+
+// SetRecurrenceContext changes a task recurrence value.
+func (Client) SetRecurrenceContext(ctx context.Context, id int, rec string) error {
+	return SetRecurrenceContext(ctx, id, rec)
+}
+
+// SetProjectContext changes a task project.
+func (Client) SetProjectContext(ctx context.Context, id int, project string) error {
+	return SetProjectContext(ctx, id, project)
+}
+
+// SetPriorityContext changes a task priority.
+func (Client) SetPriorityContext(ctx context.Context, id int, priority string) error {
+	return SetPriorityContext(ctx, id, priority)
+}
+
+// StartContext starts a task.
+func (Client) StartContext(ctx context.Context, id int) error {
+	return StartContext(ctx, id)
+}
+
+// StopContext stops a task.
+func (Client) StopContext(ctx context.Context, id int) error {
+	return StopContext(ctx, id)
+}
+
+// DoneContext completes a task.
+func (Client) DoneContext(ctx context.Context, id int) error {
+	return DoneContext(ctx, id)
+}
+
+// SetStatusUUIDContext changes a task status by UUID.
+func (Client) SetStatusUUIDContext(ctx context.Context, uuid, status string) error {
+	return SetStatusUUIDContext(ctx, uuid, status)
+}
+
+// RecurringSeries returns a recurring task series.
+func (Client) RecurringSeries(ctx context.Context, rootUUID string) ([]Task, error) {
+	return RecurringSeries(ctx, rootUUID)
+}