Merge pull request #1 from joinflux/feature/validate-webhook-types

Add validation and autocompletion for Trigger Types

cmd/create.go

@@ -11,22 +11,6 @@ import (
 )
 
 // CreateResponse represents a response to the create request in Webflow.
-//
-// The following are available trigger types:
-//
-//   - form_submission
-//   - site_publish
-//   - ecomm_new_order
-//   - ecomm_order_changed
-//   - ecomm_inventory_changed
-//   - memberships_user_account_added
-//   - memberships_user_account_updated
-//   - memberships_user_account_deleted
-//   - collection_item_created
-//   - collection_item_changed
-//   - collection_item_deleted
-//   - collection_item_unpublished
-//
 // See: https://developers.webflow.com/reference/create-webhook.
 type CreateResponse struct {
 	CreatedOn   string
@@ -36,19 +20,71 @@ type CreateResponse struct {
 	TriggerType string
 }
 
+// TriggerTypes is a list of all available trigger types that can be created in Webflow.
+var TriggerTypes = []string{
+	"form_submission",
+	"site_publish",
+	"ecomm_new_order",
+	"ecomm_order_changed",
+	"ecomm_inventory_changed",
+	"memberships_user_account_added",
+	"memberships_user_account_updated",
+	"memberships_user_account_deleted",
+	"collection_item_created",
+	"collection_item_changed",
+	"collection_item_deleted",
+	"collection_item_unpublished",
+}
+
 // createCmd represents the command to create a webhook for a site in Webflow.
 var createCmd = &cobra.Command{
 	Use:   "create [site_id] [trigger_type] [url]",
 	Short: "create webhooks for a site",
 	Args:  cobra.ExactArgs(3),
+	ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+		if len(args) == 1 {
+			var candidates = []string{}
+			// for autocompletion, we will suggest anything that contains the string
+			// we are typing regardless of where in the string we match.
+			// For example, if someone types: "item"
+			// We will suggest:
+			// - "collection_item_created"
+			// - "collection_item_changed"
+			// - "collection_item_deleted"
+			// - "collection_item_unpublished"
+			for _, value := range TriggerTypes {
+				if strings.Contains(value, toComplete) {
+					candidates = append(candidates, value)
+				}
+			}
+			// if there are no valid suggestions, suggest all available options
+			if len(candidates) == 0 {
+				candidates = TriggerTypes
+			}
+			return candidates, cobra.ShellCompDirectiveNoFileComp
+		}
+		return nil, cobra.ShellCompDirectiveError
+	},
+	PreRunE: func(cmd *cobra.Command, args []string) error {
+		triggerType := args[1]
+		for _, b := range TriggerTypes {
+			if b == triggerType {
+				return nil
+			}
+		}
+		return fmt.Errorf("unknown Trigger Type: '%s'.\ntrigger_type must be one of: %+q\n", triggerType, TriggerTypes)
+	},
 	Run: func(cmd *cobra.Command, args []string) {
 		siteId := args[0]
+		triggerType := args[1]
+		url := args[2]
+
 		c := internal.NewClient(ApiToken)
 
 		payload := strings.NewReader(fmt.Sprintf(`{
         "triggerType": "%s",
         "url": "%s"
-    }`, args[1], args[2]))
+    }`, triggerType, url))
 
 		body, err := c.Post([]string{"sites", siteId, "webhooks"}, payload)