feat: add Order type

pkg/channel/list.go

@@ -86,17 +86,18 @@ type ListGroupChannelRequest struct {
  ShowFrozen *bool
  // Order specifies the method to sort a list of results. Acceptable values
  // are the following:
- // - chronological (default): sorts by time of channel creation, from most to
- // least recent.
- // - latest_last_message: sorts by the time of the last message in the
+ // - OrderChronological (default): sorts by time of channel creation, from
+ // most to least recent.
+ // - OrderLatestLastMessage: sorts by the time of the last message in the
  // channel, from most to least recent. This is available only when user_id is
  // specified.
- // - channel_name_alphabetical: sorts by channel name in alphabetical order.
- // - metadata_value_alphabetical: sorts by a value of metadata in
+ // - OrderChannelNameAlphabetical: sorts by channel name in alphabetical
+ // order.
+ // - OrderMetadataValueAlphabetical: sorts by a value of metadata in
  // alphabetical order. This is available only when the metadata_order_key
  // parameter is specified.
  // Optional.
- Order string
+ Order Order
  // MetadataOrderKey specifies the key of an item in metadata. When a value of
  // the order parameter is set to metadata_value_alphabetical, the results are
  // alphabetically sorted by the value of the item specified by the key.
@@ -292,7 +293,7 @@ func listChannelRequestToMap(lcr ListGroupChannelRequest) map[string]string {
  }
 
  if lcr.Order != "" {
- m["order"] = lcr.Order
+ m["order"] = string(lcr.Order)
  }
 
  if lcr.MetadataOrderKey != "" {

pkg/channel/types.go

@@ -24,11 +24,13 @@ const (
  SuperModeNonSuper SuperMode = "nonsuper"
 )
 
+type Order string
+
 const (
- OrderChronological string = "chronological"
- OrderLatestLastMessage string = "latest_last_message"
- OderChannelNameAlphabetical  string = "channel_name_alphabetical"
- OrderMetadataValueAlphabetical string = "metadata_value_alphabetical"
+ OrderChronological Order = "chronological"
+ OrderLatestLastMessage Order = "latest_last_message"
+ OrderChannelNameAlphabetical Order = "channel_name_alphabetical"
+ OrderMetadataValueAlphabetical Order = "metadata_value_alphabetical"
 )
 
 const (