feat(account service): get pricing/role for creating a workspace plan (#6753)

* optimize preview new workspace plan amount

* get workspace subscription info api add role info

Author: bxy4543

service/account/api/workspace_subscription.go

@@ -96,6 +96,7 @@ func GetWorkspaceSubscriptionInfo(c *gin.Context) {
 		*types.WorkspaceSubscription
 		Type        string       `json:"type"`
 		InvoiceInfo *InvoiceInfo `json:"InvoiceInfo,omitempty"`
+		Role        string       `json:"role,omitempty"`
 	}{
 		WorkspaceSubscription: subscription,
 		Type:                  WorkspaceTypeSubscription,
@@ -195,6 +196,13 @@ func GetWorkspaceSubscriptionInfo(c *gin.Context) {
 				)
 			}
 		}
+		// Get user workspace role
+		userRole, err := dao.DBClient.GetUserWorkspaceRole(req.UserUID, req.Workspace)
+		if err != nil {
+			dao.Logger.Errorf("failed to get user workspace role: %v", err)
+			// Continue processing, role will be empty string
+		}
+		workspaceSubInfo.Role = string(userRole)
 	}
 
 	c.JSON(http.StatusOK, gin.H{
@@ -668,12 +676,14 @@ func GetWorkspaceSubscriptionUpgradeAmount(c *gin.Context) {
 		)
 		return
 	}
-	if err := authenticateWorkspaceSubscriptionOperatorRequest(c, req); err != nil {
-		c.JSON(
-			http.StatusUnauthorized,
-			helper.ErrorMessage{Error: fmt.Sprintf("authenticate error : %v", err)},
-		)
-		return
+	if req.Workspace != "" {
+		if err := authenticateWorkspaceSubscriptionOperatorRequest(c, req); err != nil {
+			c.JSON(
+				http.StatusUnauthorized,
+				helper.ErrorMessage{Error: fmt.Sprintf("authenticate error : %v", err)},
+			)
+			return
+		}
 	}
 
 	// Validate promotion code once at the beginning and reuse the result throughout the method
@@ -739,7 +749,7 @@ func GetWorkspaceSubscriptionUpgradeAmount(c *gin.Context) {
 
 	// Handle subscription creation
 	if req.Operator == types.SubscriptionTransactionTypeCreated ||
-		currentSubscription.PlanName == types.FreeSubscriptionPlanName {
+		currentSubscription.PlanName == types.FreeSubscriptionPlanName || req.Workspace == "" {
 		handleSubscriptionCreation(c, req, validatedPromotionCode)
 		return
 	}

service/account/helper/request.go

@@ -704,9 +704,9 @@ type WorkspaceSubscriptionOperatorReq struct {
 	AuthBase `json:",inline" bson:",inline"`
 
 	// @Summary Workspace name
-	// @Description Workspace name
-	// @JSONSchema required
-	Workspace string `json:"workspace" bson:"workspace" binding:"required" example:"my-workspace"`
+	// @Description Workspace name (optional for price preview, required for actual subscription)
+	// @JSONSchema optional
+	Workspace string `json:"workspace,omitempty" bson:"workspace" example:"my-workspace"`
 
 	// @Summary Region domain
 	// @Description Region domain
@@ -812,9 +812,10 @@ func ParseWorkspaceSubscriptionOperatorReq(
 	if err := c.ShouldBindJSON(req); err != nil {
 		return nil, fmt.Errorf("bind json error: %w", err)
 	}
-	if req.Workspace == "" {
-		return nil, errors.New("workspace cannot be empty")
-	}
+	// Workspace is optional for price preview scenarios
+	// if req.Workspace == "" {
+	// 	return nil, errors.New("workspace cannot be empty")
+	// }
 	if req.RegionDomain == "" {
 		return nil, errors.New("regionDomain cannot be empty")
 	}