htmx-patterns/htmx_patterns/config.py
2024-04-05 22:39:40 -05:00

118 lines
3.3 KiB
Python

import os
import urllib.parse
from datetime import datetime, timezone
from functools import lru_cache, partial
from typing import Any, Optional
from urllib.parse import quote_plus
import jinja2
from dotenv import load_dotenv
from fastapi import Request
from fastapi.templating import Jinja2Templates
from pydantic import BaseModel, Field
from pydantic_settings import BaseSettings, SettingsConfigDict
from rich.console import Console
console = Console()
if hasattr(jinja2, "pass_context"):
pass_context = jinja2.pass_context
else:
pass_context = jinja2.contextfunction
class ApiServer(BaseModel):
app: str = "htmx_patterns.app:app"
port: int = 5000
reload: bool = True
log_level: str = "info"
host: str = "0.0.0.0"
workers: int = 1
forwarded_allow_ips: str = "*"
proxy_headers: bool = True
@pass_context
def https_url_for(context: dict, name: str, **path_params: Any) -> str:
request = context["request"]
http_url = request.url_for(name, **path_params)
return str(http_url).replace("http", "https", 1)
@pass_context
def url_for_query(context: dict, name: str, **params: dict) -> str:
request = context["request"]
url = str(request.url_for(name))
if params == {}:
return url
from urllib.parse import parse_qs, urlencode, urlparse, urlunparse
# Parse the URL
parsed_url = urlparse(url)
# Parse the query parameters
query_params = parse_qs(parsed_url.query)
# Update the query parameters with the new ones
query_params.update(params)
# Rebuild the query string
updated_query_string = urlencode(query_params, doseq=True)
# Rebuild the URL with the updated query string
updated_url = urlunparse(
(
parsed_url.scheme,
parsed_url.netloc,
parsed_url.path,
parsed_url.params,
updated_query_string,
parsed_url.fragment,
)
)
return updated_url
def get_templates(config: BaseSettings) -> Jinja2Templates:
templates = Jinja2Templates(directory="templates")
templates.env.filters["quote_plus"] = lambda u: quote_plus(str(u))
templates.env.filters["timestamp"] = lambda u: datetime.fromtimestamp(
u, tz=timezone.utc
).strftime("%B %d, %Y")
templates.env.globals["https_url_for"] = https_url_for
templates.env.globals["url_for"] = url_for_query
templates.env.globals["config"] = config
console.print(f'Using environment: {os.environ.get("ENV")}')
if os.environ.get("ENV") in ["dev", "qa", "prod"]:
templates.env.globals["url_for"] = https_url_for
console.print("Using HTTPS")
else:
console.print("Using HTTP")
return templates
class Config(BaseSettings):
env: str
the_templates: Optional[Jinja2Templates] = Field(None, exclude=True)
api_server: ApiServer = ApiServer()
@property
def templates(self) -> Jinja2Templates:
if self.the_templates is None:
self.the_templates = get_templates(self)
return self.the_templates
model_config = SettingsConfigDict(env_nested_delimiter="__")
@lru_cache
def get_config(env: Optional[str] = None):
if env is None:
env = os.environ.get("ENV", "local")
load_dotenv(dotenv_path=f".env.{env}")
config = Config()
return config