| from pathlib import Path |
|
|
| from fastapi import APIRouter |
| from fastapi.responses import HTMLResponse, Response |
| from jinja2 import Environment, FileSystemLoader |
| from pydantic import BaseModel,Field, field_validator |
| from typing import Literal |
| from weasyprint import HTML |
|
|
| from app.preview import build_course_preview |
| from app.supabase import supabase |
|
|
| router=APIRouter() |
| templates=Environment(loader=FileSystemLoader("app/templates")) |
| FRONTEND_DIR=Path(__file__).resolve().parent/"templates" |
|
|
| class CourseSubmission(BaseModel): |
| faculty_email: str=Field(min_length=3, max_length=254) |
| course_title: str=Field(min_length=3, max_length=150) |
| offering_department: Literal["MA", "CS", "UZ"] |
| target_department: Literal["CSE", "ECE", "ME", "BT", "EEE", "AIML"] |
| semester: Literal["1", "2", "3", "4", "5", "6", "7", "8"] |
| credit_category: Literal["0", "2", "4", "5"] |
| raw_course_content: str=Field(min_length=50) |
| text_books: str=Field(min_length=5) |
| reference_books: str="" |
| preferred_tools: str="" |
|
|
| @field_validator("faculty_email","course_title","raw_course_content","text_books","reference_books","preferred_tools",mode="before") |
| @classmethod |
| def strip(cls, v): |
| return v.strip() if isinstance(v, str) else v |
|
|
| @router.post("/submissions") |
| def receive(data: CourseSubmission): |
| d=data.model_dump() |
| d["status"]="pending" |
| r=supabase.table("submissions").insert(d).execute() |
| return {"message":"Submission Received!","submission":r.data[0]} |
|
|
| @router.get("/preview/semester/{sem}/courses") |
| def list_courses(sem:str): |
| r=supabase.table("refined_submissions").select("id").execute() |
| return {"course_ids":[row["id"] for row in r.data]} |
|
|
| @router.get("/preview/course/{refined_id}") |
| def preview_course(refined_id:int): |
| r=supabase.table("refined_submissions").select("*").eq("id",refined_id).single().execute() |
| course=build_course_preview(r.data) |
| return HTMLResponse(templates.get_template("jinja_sample.html").render(course=course,curriculum_year="2025-2026",page_number="")) |
|
|
| @router.get("/preview/semester/{sem}/pdf") |
| def download_pdf(sem:str): |
| r=supabase.table("refined_submissions").select("id").execute() |
| ids=[row["id"] for row in r.data] |
| style="" |
| bodies=[] |
| for i,rid in enumerate(ids,1): |
| r=supabase.table("refined_submissions").select("*").eq("id",rid).single().execute() |
| h=templates.get_template("jinja_sample.html").render(course=build_course_preview(r.data),curriculum_year="2025-2026",page_number=str(i)) |
| if not style: |
| s1=h.find("<style");e1=h.find("</style>")+8 |
| style=h[s1:e1] |
| s2=h.find("<style",e1);e2=h.find("</style>",s2)+8 |
| style+=h[s2:e2] |
| bs=h.find(">",h.find("<body"))+1;be=h.find("</body>") |
| cls="page-break" if i>1 else "" |
| bodies.append(f"<div class=\"{cls}\">{h[bs:be]}</div>"if cls else h[bs:be]) |
| combined=f"""<!DOCTYPE html><html><head><meta charset="UTF-8">{style}<style>@page{{size:A4;margin:0;}}.page-break{{page-break-before:always;}}.c71{{padding-bottom:35pt;}}</style></head><body>{"".join(bodies)}</body></html>""" |
| pdf=HTML(string=combined,base_url=str(FRONTEND_DIR)).write_pdf() |
| return Response(content=pdf,media_type="application/pdf",headers={"Content-Disposition":f"attachment;filename=semester-{sem}.pdf"}) |
|
|
