created tasks endpoint for devices

server/internal/dto/task.go

@@ -0,0 +1,57 @@
+package dto
+
+import (
+	"smoop-api/internal/models"
+	"time"
+)
+
+type TaskDto struct {
+	ID         uint                  `json:"id"`
+	DeviceGUID string                `json:"deviceGuid"`
+	Type       models.DeviceTaskType `json:"type"`
+	Payload    string                `json:"payload"` // raw JSON string
+	Status     models.TaskStatus     `json:"status"`
+	ErrorMsg   string                `json:"error,omitempty"`
+	Result     string                `json:"result,omitempty"`
+	CreatedAt  time.Time             `json:"createdAt"`
+	StartedAt  *time.Time            `json:"startedAt,omitempty"`
+	FinishedAt *time.Time            `json:"finishedAt,omitempty"`
+}
+
+func MapTask(t models.DEviceTask) TaskDto {
+	return TaskDto{
+		ID:         t.ID,
+		DeviceGUID: t.DeviceGUID,
+		Type:       t.Type,
+		Payload:    t.Payload,
+		Status:     t.Status,
+		ErrorMsg:   t.ErrorMsg,
+		Result:     t.Result,
+		CreatedAt:  t.CreatedAt,
+		StartedAt:  t.StartedAt,
+		FinishedAt: t.FinishedAt,
+	}
+}
+
+// Create a new task (server/user -> device)
+type CreateTaskDto struct {
+	Type models.DeviceTaskType `json:"type" binding:"required,oneof=start_stream stop_stream start_recording stop_recording update_config set_deep_sleep"`
+	// Pass raw JSON string as payload (e.g. {"sleepTimeout":5,"jitterMs":50,"recordingDurationSec":60})
+	// Keep it string to let device/server evolve freely.
+	Payload string `json:"payload" binding:"required"`
+}
+
+// Device polls: single next task
+type NextTaskResponseDto struct {
+	HasTask bool     `json:"hasTask"`
+	Task    *TaskDto `json:"task,omitempty"`
+}
+
+// Device posts result
+type TaskResultDto struct {
+	TaskID uint `json:"taskId" binding:"required"`
+	// success=true => Finished, success=false => Error
+	Success  bool   `json:"success"`
+	Result   string `json:"result"` // raw JSON result from device
+	ErrorMsg string `json:"error"`  // device-side reason if !Success
+}