Add `METARService` for retrieving METAR data and integrate it with `Application`

- Implement `METARService` to fetch METAR data from the CheckWX API.
- Add `requests` dependency to `pyproject.toml`.
- Update `Application` to initialize and use `METARService`.

pyproject.toml

@@ -17,6 +17,11 @@ classifiers = [
     "Operating System :: OS Independent",
 ]
 dependencies = [
+    "tomli",
+    "tomli_w",
+    "rich",
+    "requests"
+
 
 ]
 

src/metar_navigate/__init__.py

@@ -0,0 +1,5 @@
+from metar_navigate.application import Application
+from metar_navigate.command import main
+
+
+__all__ = ["Application", "main"]

src/metar_navigate/application.py

@@ -0,0 +1,79 @@
+import argparse
+import sys
+
+from metar_navigate.services import METARService
+from metar_navigate.ui import RichInterface
+from metar_navigate.utils import ConfigManager
+
+class Application:
+    def __init__(self):
+        self.parser = None
+        self.args = None
+        self.config = ConfigManager()
+        self.METARService = METARService(self)
+        self.ui = None
+        self.is_configured = False
+
+    def setup(self) -> None:
+
+        if self.config.read_config() is not None:
+            self.is_configured = True
+
+        self._validate_args()
+
+        if self.args.no_tui:
+            self.ui = RichInterface(self)
+            if self.args.configure:
+                self.ui.setup(configure=True)
+            if self.args.detailed:
+                self.ui.setup(detailed=True)
+
+
+
+
+    def _validate_args(self):
+        self.parser = argparse.ArgumentParser()
+        self.parser.add_argument("--no-tui", action="store_true", help="disables the TUI")
+        self.parser.add_argument("--configure", "-c" ,action="store_true", help="runs the configuration wizard")
+        self.parser.add_argument("--detailed", action="store_true", help="displays more detailed METAR Breakdown "
+                                                                    "(Only available with --no-tui flag)")
+        self.parser.add_argument("-t", "--type", choices=["TAF", "METAR"], default="METAR", help="Select the Type "
+                                                                                            "of message (Only Available with"
+                                                                                            " --no-tui flag)")
+        self.parser.add_argument("ICAO", nargs='?', type=str.upper,help="ICAO code of airport (required with --no-tui flag)")
+
+        self.args = self.parser.parse_args()
+
+
+
+
+        if self.args.configure and self.args.ICAO:
+            self.parser.error("--configure não aceita código ICAO")
+
+
+        if self.args.configure and self.args.detailed:
+            self.parser.error("--configure não pode ser usado com --detailed")
+
+
+        if self.args.configure and ('--type' in sys.argv or '-t' in sys.argv):
+            self.parser.error("--configure não pode ser usado com --type/-t")
+
+
+        if self.args.no_tui and not self.args.configure and not self.args.ICAO:
+            self.parser.error("--no-tui requer código ICAO (exceto quando usado com --configure)")
+
+
+        if self.args.ICAO and not self.args.no_tui:
+            self.parser.error("Código ICAO só pode ser usado com --no-tui")
+
+
+        if self.args.detailed and not self.args.no_tui:
+            self.parser.error("--detailed requer --no-tui")
+
+
+        if not self.args.no_tui and ('--type' in sys.argv or '-t' in sys.argv):
+            self.parser.error("--type/-t requer --no-tui")
+
+
+    def run(self):
+        self.ui.run()

src/metar_navigate/command.py

@@ -1,2 +1,6 @@
+from metar_navigate import Application
+
 def main():
-    print("Hello World")
+    app = Application()
+    app.setup()
+    app.run()

src/metar_navigate/services/METARSerice.py

@@ -0,0 +1,20 @@
+import requests
+import json
+
+class METARService:
+    def __init__(self,parent):
+        self.__parent = parent
+        self.url = "https://api.checkwx.com/metar/"
+    def request_metar(self,ICAO_code):
+        url = self.url + ICAO_code
+        header = {
+            'X-API-Key':self.__parent.config.get_data("checkwx_api_key").get("checkwx_api_key")
+        }
+        if self.__parent.args.detailed:
+            url = url + "/decoded"
+        response = requests.request('GET', url,headers=header)
+        return response
+    def get_metar(self,ICAO_code):
+        request = self.request_metar(ICAO_code)
+
+        return request

src/metar_navigate/services/__init__.py

@@ -0,0 +1,3 @@
+from .METARSerice import METARService
+
+__all__ = ["METARService"]

src/metar_navigate/ui/__init__.py

@@ -0,0 +1,3 @@
+from .ui import RichInterface
+
+__all__ = ["RichInterface",]

src/metar_navigate/ui/ui.py

@@ -0,0 +1,157 @@
+from abc import ABC, abstractmethod
+
+from rich import console
+
+
+class UIInterface(ABC):
+
+    @abstractmethod
+    def setup(self):
+        pass
+    @abstractmethod
+    def run(self):
+        pass
+
+
+class RichInterface(UIInterface):
+    def __init__(self,parent):
+        super().__init__()
+        self.__parent = parent
+        self.console = console.Console()
+        self.console.show_cursor(False)
+        self.mode = None
+
+    def setup(self,**kwargs):
+        for key, value in kwargs.items():
+            match(key):
+                case "configure":
+                   if value:
+                       self.mode = "configure"
+                   else:
+                       self.mode = "run"
+                case "detailed":
+                    self.mode = "detailed"
+                case _:
+                    raise ValueError(f"Invalid mode: {key}")
+    def configure_run_mode(self):
+        self.console.print("This Application is in [bold red]Configure Mode[/bold red]")
+        self.console.print("This Application requires a CheckWX API Key to run")
+        print("Please enter your CheckWX API:",end='')
+        api_key = input()
+        print(f"\033[A\rPlease enter your CheckWX API:{' ' * len(api_key)}\rPlease enter your CheckWX API:",end='')
+        while api_key == '':
+            self.console.print("[bold red]Invalid API Key: Can't be empty [/bold red]")
+            print("Please enter your CheckWX API:", end='')
+            api_key = input()
+            print(f"\033[A\rPlease enter your CheckWX API:{' ' * len(api_key)}\rPlease enter your CheckWX API:", end='')
+        print("\n")
+        always_show_detailed = self.console.input("Always Show Detailed (default is: [green]No[/green]) [[u]y[/u]/[u]N[/u]]: ").upper()
+        if always_show_detailed == '':
+            always_show_detailed = 'N'
+        while always_show_detailed not in ['Y', 'N']:
+            always_show_detailed = self.console.input("Always Show Detailed (default is: [green]No[/green]) [[u]y[/u]/[u]N[/u]]: ").upper()
+            if always_show_detailed == '':
+                always_show_detailed = 'N'
+
+        wind_speed_unit = self.console.input(
+            'Speed Unit (default is: [green]K[/green]) [[u]K[/u]eep/[u]M[/u]iles/K[u]N[/u]ots/KM/[u]H[/u]]: '
+        ).upper()
+
+        if wind_speed_unit == '':
+            wind_speed_unit = 'K'
+        while wind_speed_unit not in ['K', 'M', 'N', 'H']:
+            wind_speed_unit = self.console.input(
+                'Speed Unit (default is: [green]K[/green]) [[u]K[/u]eep/[u]M[/u]iles/K[u]N[/u]ots/KM/[u]H[/u]]: '
+            ).upper()
+            if wind_speed_unit == '':
+                wind_speed_unit = 'K'
+
+        temp_unit = self.console.input(
+            'Temperature Unit (default is: [green]K[/green]) [[u]K[/u]eep/[u]C[/u]elsius/[u]F[/u]ahrenheit]: '
+        ).upper()
+        if temp_unit == '':
+            temp_unit = 'K'
+        while temp_unit not in ['K', 'C', 'F']:
+            temp_unit = self.console.input(
+                'Temperature Unit (default is: [green]K[/green]) [[u]K[/u]eep/[u]C[/u]elsius/[u]F[/u]ahrenheit]: '
+            ).upper()
+            if temp_unit == '':
+                temp_unit = 'K'
+
+        visibility_unit = self.console.input(
+            'Visibility Unit (default is: [green]K[/green]) [[u]K[/u]eep/[u]S[/u]M/[u]M[/u]]: '
+        ).upper()
+        if visibility_unit == '':
+            visibility_unit = 'K'
+        while visibility_unit not in ['K', 'S', 'M']:
+            visibility_unit = self.console.input(
+                'Visibility Unit (default is: [green]K[/green]) [[u]K[/u]eep/[u]S[/u]M/[u]M[/u]]: '
+            ).upper()
+            if visibility_unit == '':
+                visibility_unit = 'K'
+
+        pressure_unit = self.console.input(
+            'Pressure Unit (default is: [green]K[/green]) [[u]K[/u]eep/[u]I[/u]nHg/[u]H[/u]Pa]: '
+        ).upper()
+        if pressure_unit == '':
+            pressure_unit = 'K'
+        while pressure_unit not in ['K', 'H', 'U']:
+            pressure_unit = self.console.input(
+                'Pressure Unit (default is: [green]K[/green]) [[u]K[/u]eep/[u]I[/u]nHg/[u]H[/u]Pa]: '
+            ).upper()
+            if pressure_unit == '':
+                pressure_unit = 'K'
+
+        self.__parent.config.set_data_dict({ "checkwx_api_key": api_key})
+
+        if always_show_detailed == 'Y':
+            self.__parent.config.set_data_dict({"always_show_detailed":True})
+        else:
+            self.__parent.config.set_data_dict({"always_show_detailed": False})
+
+        if wind_speed_unit == 'K':
+            self.__parent.config.set_data_dict({"wind_speed_unit":"Keep"})
+        elif wind_speed_unit == 'M':
+            self.__parent.config.set_data_dict({"wind_speed_unit":"Miles"})
+        elif wind_speed_unit == 'N':
+            self.__parent.config.set_data_dict({"wind_speed_unit": "Knots"})
+        elif wind_speed_unit == 'H':
+            self.__parent.config.set_data_dict({"wind_speed_unit": "KM/H"})
+
+        if temp_unit == 'K':
+            self.__parent.config.set_data_dict({"temp_unit":"Keep"})
+        elif temp_unit == 'C':
+            self.__parent.config.set_data_dict({ "temp_unit": "Celsius"})
+        elif temp_unit == 'F':
+            self.__parent.config.set_data_dict({ "temp_unit": "Fahrenheit"})
+
+        if visibility_unit == 'K':
+            self.__parent.config.set_data_dict({ "visibility_unit": "Keep"})
+        elif visibility_unit == 'S':
+            self.__parent.config.set_data_dict({"visibility_unit": "SM"})
+        elif visibility_unit == 'M':
+            self.__parent.config.set_data_dict({"visibility_unit": "Miles"})
+
+        if pressure_unit == 'K':
+            self.__parent.config.set_data_dict({"pressure_unit": "Keep"})
+        elif pressure_unit == 'H':
+            self.__parent.config.set_data_dict({ "pressure_unit": "HPa"})
+        elif pressure_unit == 'I':
+            self.__parent.config.set_data_dict({ "pressure_unit": "InHg"})
+
+        self.__parent.config.write_config()
+
+    def run(self):
+        if not self.__parent.is_configured and self.mode != "configure":
+            self.console.print("[bold red]This Application Requires a configuration to run please run with -c flag to configure [/bold red]")
+            self.console.show_cursor(True)
+            exit(69)
+
+
+
+        if self.mode == "configure":
+            self.configure_run_mode()
+        else:
+            self.console.print("This Application is in [bold red]Run Mode[/bold red]")
+
+        self.console.show_cursor(True)

src/metar_navigate/utils/__init__.py

@@ -0,0 +1,4 @@
+from .directory_manager import DirectoryManager
+from .config_manager import ConfigManager
+
+__all__ = ["DirectoryManager", "ConfigManager"]

src/metar_navigate/utils/config_manager.py

@@ -0,0 +1,71 @@
+import os.path
+
+import tomli
+import tomli_w
+
+from metar_navigate.utils import DirectoryManager
+
+from threading import Lock
+
+class SingletonMeta(type):
+    _instances = {}
+    _lock: Lock = Lock()
+
+    def __call__(cls, *args, **kwargs):
+        with cls._lock:
+            if cls not in cls._instances:
+                instance = super().__call__(*args, **kwargs)
+                cls._instances[cls] = instance
+        return cls._instances[cls]
+
+
+class ConfigManager(metaclass=SingletonMeta):
+    def __init__(self):
+        self.config_dir = DirectoryManager.get_config_directory()
+        self.__data = dict()
+
+    def read_config(self):
+        if os.path.exists(f"{self.config_dir}/config.toml"):
+            try:
+                with open(f"{self.config_dir}/config.toml", "rb") as f:
+                    data = tomli.load(f)
+            except tomli.TOMLDecodeError as e:
+                raise ValueError(f"Invalid TOML file; {e}")
+            except Exception as e:
+                raise ValueError(f"Error reading config file; {e}")
+
+            self.__data = data
+            return self.__data
+
+        else:
+            return None
+    def set_data_dict(self,data):
+        self.__data.update(data)
+
+
+    def write_config(self):
+        default = {
+            "checkwx_api_key": "",
+            "always_show_detailed": False,
+            "wind_speed_unit": "Keep",
+            "temp_unit": "Keep",
+            "visibility_unit": "Keep",
+            "pressure_unit": "Keep"
+
+        }
+
+        for key, default_value in default.items():
+            current_value = self.__data.get(key)
+            if current_value is None or current_value == "":
+                self.__data[key] = default_value
+            else:
+                self.__data[key] = current_value
+        with open(f"{self.config_dir}/config.toml", "wb") as f:
+            tomli_w.dump(self.__data, f)
+
+    def get_data(self,key):
+        if key in self.__data.keys():
+            return {key:self.__data[key]}
+        else:
+            return None
+

src/metar_navigate/utils/directory_manager.py

@@ -0,0 +1,17 @@
+import os
+from pathlib import Path
+
+
+class DirectoryManager:
+
+    @staticmethod
+    def get_config_directory()-> Path:
+        home = Path.home()
+        config_dir = home / ".METARNavigate"
+        config_dir.mkdir(exist_ok=True)
+        os.chmod(config_dir,0o744)
+
+        return config_dir
+
+
+