generated from hjess/PythonTemplateProject
Henrik Jess Nielsen
4059d6d7be
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117 lines
4.8 KiB
Python
117 lines
4.8 KiB
Python
import os
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import json
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from fastapi import APIRouter, Request
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from fastapi.responses import HTMLResponse
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from fastapi.templating import Jinja2Templates
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from fastapi.responses import JSONResponse
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import time
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class CategoryController:
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def __init__(self,data_file="generated_data.json"):
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"""Initialize the controller."""
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self.router = APIRouter()
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self.templates = Jinja2Templates(directory="templates")
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self.data = self._load_data( data_file )
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self._add_routes()
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def _add_routes(self):
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"""Add routes to the router."""
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self.router.add_api_route("/", self.get_index, methods=["GET"], response_class=HTMLResponse)
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self.router.add_api_route(
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"/category/{category_name}",
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self.get_category,
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methods=["GET"],
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response_class=HTMLResponse,
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)
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self.router.add_api_route(
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"/categories", self.list_categories, methods = ["GET"], response_class = JSONResponse
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)
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def _load_data(self, data_file):
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"""Load JSON data from a file."""
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with open(data_file, "r", encoding="utf-8") as file:
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return json.load(file)
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async def get_index(self, request: Request):
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"""
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Handle requests for the index (home) page.
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This function is executed every time the root route (index page) is accessed.
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It renders the 'index.html' template and populates it with dynamic data, such as:
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- 'page_title': A static title for the home page ("Forside").
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- 'author': The author's name ("Henrik").
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- 'data': General data accessible to the template.
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Args:
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request (Request): The HTTP request object.
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Returns:
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TemplateResponse: A rendered HTML page for the index (home) route.
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"""
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unix_time_now = int( time.time() )
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with open(f"data/_frontpage/index.html", "r") as fp:
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content = fp.read()
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return self.templates.TemplateResponse(
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"category.html",
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{
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"request": request,
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"data": self.data,
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"page_title": "Frontpage",
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"author": "Henrik Jess",
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"content": content,
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"timestamp": unix_time_now
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})
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async def get_category(self, request: Request, category_name: str):
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"""
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Handle requests for specific category pages.
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This function is executed every time a category route is accessed.
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It dynamically retrieves and serves content for the requested category.
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- Searches for the requested category in 'self.data["categories"]' based on the provided category name.
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- Reads the 'index.html' file located under 'data/{category_name}/' if it exists.
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- Returns the rendered 'category.html' template with the following dynamic data:
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- 'page_title': The name of the category.
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- 'author': The author of the category.
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- 'content': The content of the 'index.html' file.
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- 'timestamp': The current Unix time when the request is processed.
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- Returns a 404 HTML response if the category is not found or the file does not exist.
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Args:
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request (Request): The HTTP request object.
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category_name (str): The name of the category being accessed.
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Returns:
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TemplateResponse: A rendered HTML page with dynamic category content.
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HTMLResponse: A 404 response if the category does not exist.
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"""
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category = next((cat for cat in self.data["categories"] if cat["path"] == category_name), None)
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unix_time_now = int( time.time() )
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if category:
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category_file = f"data/{category_name}/index.html"
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if os.path.exists(category_file):
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with open(category_file) as file:
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category_content = file.read()
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return self.templates.TemplateResponse(
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"category.html",
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{
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"request": request,
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"data": self.data,
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"page_title": category["name"],
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"author": category["author"],
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"content": category_content,
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"timestamp": unix_time_now
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},
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)
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return HTMLResponse("Kategori ikke fundet", status_code=404)
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async def list_categories(self, request: Request):
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"""Return a list of all categories with their name and path."""
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categories = [
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{ "name": category["name"], "path": category["path"] }
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for category in self.data.get( "categories", [] )
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]
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return JSONResponse( content = categories ) |