add last action delete

internal/repos/actions_repo/repo.go

@@ -2,10 +2,15 @@ package actions_repo
 
 import (
 	"context"
+	"errors"
 
 	"github.com/jackc/pgx/v5/pgxpool"
 )
 
+var (
+	ErrActionsNotFound = errors.New("Ход не найден")
+)
+
 type ActionsRepo struct {
 	pool *pgxpool.Pool
 }
@@ -101,3 +106,25 @@ func (r *ActionsRepo) GetActionsCountByTeamIDs(ctx context.Context, teamIds []in
 
 	return res, nil
 }
+
+func (r *ActionsRepo) DeleteLastActionByTeamId(ctx context.Context, teamId int) error {
+	tag, err := r.pool.Exec(
+		ctx,
+		`DELETE FROM actions
+		WHERE id IN (
+			SELECT id 
+			FROM actions 
+			WHERE team_id = $1
+			ORDER BY created_at DESC 
+			LIMIT 1
+		)`,
+		teamId,
+	)
+	if err != nil {
+		return err
+	}
+	if tag.RowsAffected() == 0 {
+		return ErrActionsNotFound
+	}
+	return nil
+}

internal/repos/applications_repo/repo.go

@@ -110,3 +110,26 @@ func (r *ApplicationsRepo) UpdateApplicationStatus(
 	}
 	return nil
 }
+
+func (r *ApplicationsRepo) DeleteApplicationByTeamIdAndName(ctx context.Context, teamId int, name string) error {
+	tag, err := r.pool.Exec(
+		ctx,
+		`DELETE FROM applications
+		WHERE id IN (
+			SELECT id 
+			FROM applications 
+			WHERE team_id = $1 and name = $2
+			ORDER BY created_at DESC 
+			LIMIT 1
+		)`,
+		teamId,
+		name,
+	)
+	if err != nil {
+		return err
+	}
+	if tag.RowsAffected() == 0 {
+		return ErrApplicationNotFound
+	}
+	return nil
+}

internal/services/game_service/service.go

@@ -233,5 +233,30 @@ func (s *GameService) AddTeamAction(ctx context.Context, teamId int, password st
 }
 
 func (s *GameService) DeleteLastTeamAction(ctx context.Context, teamId int) error {
-	panic("unimplemented")
+	team, err := s.teamsRepo.GetTeamByID(ctx, teamId)
+	if err != nil {
+		return err
+	}
+
+	actions, err := s.actionsRepo.GetActionsByTeamID(ctx, teamId)
+	if err != nil {
+		return err
+	}
+
+	scenario, err := s.scenarioService.GetFullScenarioByID(ctx, team.ScenarioId)
+	if err != nil {
+		return err
+	}
+
+	teamStory := s.storyteller.GetStory(scenario.Story, actions)
+
+	lastPlace := teamStory.Places[len(teamStory.Places)-1]
+
+	for _, application := range lastPlace.Applications {
+		if err := s.applicationsRepo.DeleteApplicationByTeamIdAndName(ctx, teamId, application.Name); err != nil {
+			return err
+		}
+	}
+
+	return s.actionsRepo.DeleteLastActionByTeamId(ctx, teamId)
 }