Update threads to use model/store (#97)

threads/handler/create_thread.go

@@ -0,0 +1,45 @@
+package handler
+
+import (
+	"context"
+
+	"github.com/google/uuid"
+	"github.com/micro/micro/v3/service/auth"
+	"github.com/micro/micro/v3/service/errors"
+	"github.com/micro/micro/v3/service/logger"
+	"github.com/micro/services/pkg/model"
+	pb "github.com/micro/services/threads/proto"
+)
+
+// Create a thread
+func (s *Threads) CreateThread(ctx context.Context, req *pb.CreateThreadRequest, rsp *pb.CreateThreadResponse) error {
+	_, ok := auth.AccountFromContext(ctx)
+	if !ok {
+		errors.Unauthorized("UNAUTHORIZED", "Unauthorized")
+	}
+	// validate the request
+	if len(req.GroupId) == 0 {
+		return ErrMissingGroupID
+	}
+	if len(req.Topic) == 0 {
+		return ErrMissingTopic
+	}
+
+	// write the thread to the database
+	thread := &Thread{
+		ID:        uuid.New().String(),
+		Topic:     req.Topic,
+		GroupID:   req.GroupId,
+		CreatedAt: s.Time(),
+	}
+
+	// write the thread to the database
+	if err := model.Create(ctx, thread); err != nil {
+		logger.Errorf("Error creating thread: %v", err)
+		return err
+	}
+
+	// serialize the response
+	rsp.Thread = thread.Serialize()
+	return nil
+}