create infinite

htmx_patterns/app.py

@@ -0,0 +1,67 @@
+from fastapi import Depends, FastAPI, Request
+from fastapi.responses import FileResponse
+
+from htmx_patterns.__about__ import __version__
+from htmx_patterns.config import get_config
+from htmx_patterns.infinite.router import infinite_router
+
+
+def set_prefers(
+    request: Request,
+):
+    hx_request_header = request.headers.get("hx-request")
+    user_agent = request.headers.get("user-agent", "").lower()
+    if hx_request_header:
+        request.state.prefers_html = True
+        request.state.prefers_partial = True
+        request.state.prefers_json = False
+    elif "mozilla" in user_agent or "webkit" in user_agent:
+        request.state.prefers_html = True
+        request.state.prefers_partial = False
+        request.state.prefers_json = False
+    else:
+        request.state.prefers_html = False
+        request.state.prefers_partial = False
+        request.state.prefers_json = True
+
+
+app = FastAPI(
+    title="HTMX Patterns",
+    version=__version__,
+    docs_url=None,
+    redoc_url=None,
+    openapi_url=None,
+    dependencies=[Depends(set_prefers)],
+)
+config = get_config()
+
+app.include_router(infinite_router)
+
+
+@app.get("/")
+async def read_main(request: Request):
+    return config.templates.TemplateResponse("index.html", {"request": request})
+
+
+@app.get("/favicon.ico")
+async def favicon(request: Request):
+    "use a proper static file server like nginx or apache in production"
+    return FileResponse("templates/favicon.ico")
+
+
+@app.get("/robots.txt")
+async def robots(request: Request):
+    "use a proper static file server like nginx or apache in production"
+    return config.templates.TemplateResponse("robots.txt", {"request": request})
+
+
+@app.get("/css")
+async def app_css(request: Request):
+    "use a proper static file server like nginx or apache in production"
+    return FileResponse("templates/app.css")
+
+
+@app.get("/htmx")
+async def htmx(request: Request):
+    "use a proper static file server like nginx or apache in production"
+    return config.templates.TemplateResponse("htmx.js", {"request": request})

htmx_patterns/cli/api.py

@@ -0,0 +1,44 @@
+import typer
+import uvicorn
+from rich.console import Console
+
+from htmx_patterns.config import get_config
+
+api_app = typer.Typer()
+
+
+
+@api_app.callback()
+def api():
+    "model cli"
+
+
+@api_app.command()
+def config(
+    env: str = typer.Option(
+        "local",
+        help="the environment to use",
+    ),
+):
+    config = get_config(env)
+    Console().print(config)
+
+
+@api_app.command()
+def run(
+    env: str = typer.Option(
+        "local",
+        help="the environment to use",
+    ),
+    alembic_revision: str = typer.Option(
+        "head",
+        help="the alembic revision to use",
+    ),
+):
+    config = get_config(env)
+    Console().print(config.api_server)
+    uvicorn.run(**config.api_server.dict())
+
+
+if __name__ == "__main__":
+    api_app()

htmx_patterns/cli/cli.py

@@ -0,0 +1,7 @@
+import typer
+
+from htmx_patterns.cli.api import api_app
+
+app = typer.Typer()
+
+app.add_typer(api_app, name="api")

htmx_patterns/config.py

@@ -0,0 +1,80 @@
+import os
+from datetime import datetime, timezone
+from functools import lru_cache
+from typing import Any, Optional
+from urllib.parse import quote_plus
+
+import jinja2
+from dotenv import load_dotenv
+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)
+
+
+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["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

htmx_patterns/infinite/models.py

@@ -0,0 +1,24 @@
+from datetime import date, datetime
+from typing import List, Union
+
+from faker import Faker
+from polyfactory.factories.pydantic_factory import ModelFactory
+from pydantic import UUID4, BaseModel
+
+faker = Faker()
+
+
+class Person(BaseModel):
+    id: UUID4
+    name: str
+    birthday: Union[datetime, date]
+    phone_number: str
+
+
+class PersonFactory(ModelFactory):
+    name = faker.name
+    phone_number = faker.phone_number
+    __model__ = Person
+
+
+# result = PersonFactory.build()

htmx_patterns/infinite/router.py

@@ -0,0 +1,42 @@
+import time
+
+from fastapi import APIRouter
+from fastapi.requests import Request
+
+infinite_router = APIRouter(prefix="/infinite", tags=["Shots Methods"])
+
+from htmx_patterns.config import get_config
+from htmx_patterns.infinite.models import PersonFactory
+
+config = get_config()
+
+
+@infinite_router.get("/persons")
+async def get_persons(request: Request, page: int = 1, n: int = 10):
+    # simulated last page
+    if page == 5:
+        return config.templates.TemplateResponse(
+            "infinite/persons_partial.html", {"request": request, "persons": []}
+        )
+
+    persons = [PersonFactory.build() for _ in range(n)]
+
+    if request.state.prefers_partial:
+        time.sleep(1)
+        return config.templates.TemplateResponse(
+            "infinite/persons_partial.html",
+            {
+                "request": request,
+                "persons": persons,
+                "next_page": page + 1,
+            },
+        )
+
+    return config.templates.TemplateResponse(
+        "infinite/persons.html",
+        {
+            "request": request,
+            "persons": persons,
+            "next_page": page + 1,
+        },
+    )