sh_cpl/src/cpl_cli/command_handler_service.py

import os
import sys
from abc import ABC

from cpl.configuration.configuration_abc import ConfigurationABC
from cpl.console.console import Console
from cpl.dependency_injection.service_provider_abc import ServiceProviderABC
from cpl_cli.configuration.workspace_settings import WorkspaceSettings
from cpl_cli.error import Error
from cpl_cli.command_model import CommandModel


class CommandHandler(ABC):

    def __init__(self, config: ConfigurationABC, services: ServiceProviderABC):
        """
        Service to handle incoming commands and args
        :param config:
        :param services:
        """
        ABC.__init__(self)

        self._config = config
        self._env = self._config.environment
        self._services = services

        self._commands: list[CommandModel] = []

    @property
    def commands(self) -> list[CommandModel]:
        return self._commands

    def _load_json(self):
        pass

    def add_command(self, cmd: CommandModel):
        self._commands.append(cmd)

    def remove_command(self, cmd: CommandModel):
        self._commands.remove(cmd)

    def handle(self, cmd: str, args: list[str]):
        """
        Handles incoming commands and args
        :param cmd:
        :param args:
        :return:
        """
        for command in self._commands:
            if cmd == command.name or cmd in command.aliases:
                if command.is_project_needed and \
                        not os.path.isfile(os.path.join(self._env.working_directory, 'cpl-workspace.json')):
                    Error.error(
                        'The command requires to be run in an CPL workspace, but a workspace could not be found.'
                    )
                    return

                if command.is_project_needed:
                    self._config.add_json_file('cpl-workspace.json', optional=True, output=False)
                    workspace: WorkspaceSettings = self._config.get_configuration(WorkspaceSettings)

                    if workspace is None:
                        Error.error(
                            'The command requires to be run in an CPL workspace, but a workspace could not be found.'
                        )
                        return

                    project_name = workspace.default_project
                    if len(args) > 0:
                        project_name = args[0]
                        index = sys.argv.index(args[0]) + 1
                        if index < len(sys.argv):
                            args = sys.argv[index:]

                    self._config.add_configuration('ProjectName', project_name)

                    if project_name not in workspace.projects:
                        Error.error(
                            f'Project {project_name} not found.'
                        )
                        return

                    project_json = workspace.projects[project_name]
                    if not os.path.isfile(os.path.join(self._env.working_directory, project_json)):
                        Error.error(
                            'The command requires to be run in an CPL project, but a project could not be found.'
                        )
                        return

                    self._config.add_json_file(project_json, optional=True, output=False)

                    self._config.environment.set_working_directory(
                        os.path.join(self._env.working_directory, os.path.dirname(project_json))
                    )

                self._services.get_service(command.command).run(args)
                Console.write('\n')