<%

  # API

  my $api = gitprep_api;

  my $manager = app->manager;

  # Parameters

  my $op = param('op') || '';

  my $user_id = param('user') || '';

  my $project_id = param('project');

  # Authentication

  unless ($api->logined($user_id)) {

    $self->redirect_to('/');

    return;

  }

  my $project_row_id = app->dbi->model('project')->select(

    'project.row_id',

    where => {'user.id' => $user_id, 'project.id' => $project_id}

  )->value;

  # Rename project

  my $git = app->git;

  my $errors;

  if (lc $self->req->method eq 'post') {

    if ($op eq 'add') {

      my $collaborator_id = param('collaborator');

      # Validator

      my $vc = app->vc;

      # Validation result

      my $validation = $vc->validation;

      # collaborator check

      if (!length $collaborator_id) {

        $validation->add_failed(collaborator => "collaborator is empty");

      }

      elsif ($collaborator_id eq $user_id) {

        $validation->add_failed(collaborator => "User $collaborator_id is yourself");

      }

      else {

        my $row = app->dbi->model('user')->select(

          where => {id => $collaborator_id}

        )->one;

        if (!$row) {

          $validation->add_failed(collaborator => "User $collaborator_id don't exists");

        }

        else {

          my $row = app->dbi->model('collaboration')->select(

            where => {project => $project_row_id, 'user.id' => $collaborator_id}

          )->one;

          if ($row) {

            $validation->add_failed(collaborator => "Collaborator $collaborator_id already exists");

          }

        }

      }

      if ($validation->is_valid) {

        my $collaborator_row_id = $api->get_user_row_id($collaborator_id);

        # Insert

        eval {

          app->dbi->model('collaboration')->insert(

            {

              project => $project_row_id,

              user => $collaborator_row_id

            }

          );

        };

        if (my $e = $@) {

          app->log->error(url_with . ": $e");

          $errors = ['Internal Error'];

        }

        else {

          flash(message => "Collaborator $collaborator_id is added.");

          $self->redirect_to('current');

          return;

        }

      }

      else {

        $errors = $validation->messages;

      }

    }

    elsif ($op eq 'remove') {

      my $collaborator_id = param('collaborator');

      my $collaborator_row_id = $api->get_user_row_id($collaborator_id);

      # Delete

      eval {

        app->dbi->model('collaboration')->delete(

          where => {

            project => $project_row_id,

            user => $collaborator_row_id

          }

        );

      };

      if (my $e = $@) {

        app->log->error(url_with . ": $e");

        $errors = ['Internal Error'];

      }

      else {

        flash(message => "Collaborator $collaborator_id is removed.");

        $self->redirect_to('current');

        return;

      }

    }

  }

  my $collaborators = app->dbi->model('collaboration')->select(

    {user => ['id']},

    where => {project => $project_row_id},

    append => 'order by collaboration.user'

  )->all;

%>

% layout 'common', title => 'Collaboration';

  %= include '/include/header';

  <div class="container">

    %= include '/include/errors', errors => $errors;

    %= include '/include/message', message => flash('message');

    <div class="project-settings">

      <div class="left">

        <ul>

          <li><a href="<%= url_for("/$user_id/$project_id/settings") %>">Options</a></li>

          <li><b>Collaborators</b></li>

        </ul>

      </div>

      <div class="right">

        <div class="collaboration">

          <div>Manage Collaborators</div>

            % if (@$collaborators) {

              <table>

                % for my $collaborator (@$collaborators) {

                  <tr>

                    <td>

                      <a href="<%= url_for("/$collaborator->{'user.id'}") %>"><%= $collaborator->{'user.id'} %></a>

                      <form action="<%= url_for->query(op => 'remove') %>" method="post" style="display:inline-block">

                        <%= hidden_field 'collaborator' => $collaborator->{'user.id'} %>

                        (<a href="javascript:void(0)" onclick="$(this).closest('form').submit();" style="color:red">remove</a>)

                      </form>

                    </td>

                  </tr>

                % }

              </table>

            % }

            <form action="<%= url_for->query(op => 'add') %>" method="post">

              <div>

                <%= text_field 'collaborator' %>

                <input type="submit" value="Add" class="btn" >

              </div>

            </form>

          </div>

        </div>

      </div>

    </div>

  </div>

  %= include '/include/footer';