add commit message controller

pkg/gui/controllers/commit_message_controller.go

@@ -0,0 +1,79 @@
+package controllers
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/gui/types"
+)
+
+type CommitMessageController struct {
+	baseController
+	*controllerCommon
+
+	getCommitMessage func() string
+	onCommitAttempt  func(message string)
+	onCommitSuccess  func()
+}
+
+var _ types.IController = &CommitMessageController{}
+
+func NewCommitMessageController(
+	common *controllerCommon,
+	getCommitMessage func() string,
+	onCommitAttempt func(message string),
+	onCommitSuccess func(),
+) *CommitMessageController {
+	return &CommitMessageController{
+		baseController:   baseController{},
+		controllerCommon: common,
+
+		getCommitMessage: getCommitMessage,
+		onCommitAttempt:  onCommitAttempt,
+		onCommitSuccess:  onCommitSuccess,
+	}
+}
+
+func (self *CommitMessageController) GetKeybindings(opts types.KeybindingsOpts) []*types.Binding {
+	bindings := []*types.Binding{
+		{
+			Key:     opts.GetKey(opts.Config.Universal.SubmitEditorText),
+			Handler: self.handleCommitConfirm,
+		},
+		{
+			Key:     opts.GetKey(opts.Config.Universal.Return),
+			Handler: self.handleCommitClose,
+		},
+	}
+
+	return bindings
+}
+
+func (self *CommitMessageController) Context() types.Context {
+	return self.context()
+}
+
+// this method is pointless in this context but I'm keeping it consistent
+// with other contexts so that when generics arrive it's easier to refactor
+func (self *CommitMessageController) context() types.Context {
+	return self.contexts.CommitMessage
+}
+
+func (self *CommitMessageController) handleCommitConfirm() error {
+	message := self.getCommitMessage()
+	self.onCommitAttempt(message)
+
+	if message == "" {
+		return self.c.ErrorMsg(self.c.Tr.CommitWithoutMessageErr)
+	}
+
+	cmdObj := self.git.Commit.CommitCmdObj(message)
+	self.c.LogAction(self.c.Tr.Actions.Commit)
+
+	_ = self.c.PopContext()
+	return self.helpers.GPG.WithGpgHandling(cmdObj, self.c.Tr.CommittingStatus, func() error {
+		self.onCommitSuccess()
+		return nil
+	})
+}
+
+func (self *CommitMessageController) handleCommitClose() error {
+	return self.c.PopContext()
+}