Initial commit from mattermost-plugin-starter-template

server/command/command.go

@@ -0,0 +1,64 @@
+package command
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mattermost/mattermost/server/public/model"
+	"github.com/mattermost/mattermost/server/public/pluginapi"
+)
+
+type Handler struct {
+	client *pluginapi.Client
+}
+
+type Command interface {
+	Handle(args *model.CommandArgs) (*model.CommandResponse, error)
+	executeHelloCommand(args *model.CommandArgs) *model.CommandResponse
+}
+
+const helloCommandTrigger = "hello"
+
+// Register all your slash commands in the NewCommandHandler function.
+func NewCommandHandler(client *pluginapi.Client) Command {
+	err := client.SlashCommand.Register(&model.Command{
+		Trigger:          helloCommandTrigger,
+		AutoComplete:     true,
+		AutoCompleteDesc: "Say hello to someone",
+		AutoCompleteHint: "[@username]",
+		AutocompleteData: model.NewAutocompleteData(helloCommandTrigger, "[@username]", "Username to say hello to"),
+	})
+	if err != nil {
+		client.Log.Error("Failed to register command", "error", err)
+	}
+	return &Handler{
+		client: client,
+	}
+}
+
+// ExecuteCommand hook calls this method to execute the commands that were registered in the NewCommandHandler function.
+func (c *Handler) Handle(args *model.CommandArgs) (*model.CommandResponse, error) {
+	trigger := strings.TrimPrefix(strings.Fields(args.Command)[0], "/")
+	switch trigger {
+	case helloCommandTrigger:
+		return c.executeHelloCommand(args), nil
+	default:
+		return &model.CommandResponse{
+			ResponseType: model.CommandResponseTypeEphemeral,
+			Text:         fmt.Sprintf("Unknown command: %s", args.Command),
+		}, nil
+	}
+}
+
+func (c *Handler) executeHelloCommand(args *model.CommandArgs) *model.CommandResponse {
+	if len(strings.Fields(args.Command)) < 2 {
+		return &model.CommandResponse{
+			ResponseType: model.CommandResponseTypeEphemeral,
+			Text:         "Please specify a username",
+		}
+	}
+	username := strings.Fields(args.Command)[1]
+	return &model.CommandResponse{
+		Text: "Hello, " + username,
+	}
+}