294 lines
8.8 KiB
Python
294 lines
8.8 KiB
Python
from typing import Annotated
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from typing import List, Dict, Tuple
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from annotated_types import IsDigit
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from fastapi import FastAPI, File, HTTPException, UploadFile, Request, Form
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from fastapi.responses import FileResponse
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# import fastapi
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from fastapi.staticfiles import StaticFiles
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import pymupdf
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import json
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import re
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# import os
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import mariadb
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app = FastAPI()
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app.mount("/favicon", StaticFiles(directory="./favicon"), name="favicon")
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app.mount("/static", StaticFiles(directory="./static"), name="static")
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db = mariadb.connect(
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host="localhost", user="wildserver", password="DBPassword", database="Unizeug"
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)
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CATEGORIES = [
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"Prüfungen",
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"Klausuren",
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"Übungen",
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"Labore",
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"Unterlagen",
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"Zusammenfassungen",
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"Multimedia",
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]
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SUBCAT_CATEGORIES = ["Klausuren", "Übungen", "Labore"]
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# cur = db.cursor()
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# cur.execute("select * from FIP;")
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# for l in cur:
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# print(l)
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# locpaths = ["./VO_Mathematik_3.pdf"] # replace this with a database
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@app.get("/")
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async def get_index():
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return FileResponse("./index.html")
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@app.get("/files/{file_id}")
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async def get_file(file_id: str):
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cur = db.cursor()
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try:
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cur.execute("Select filename from FIP where id=?", (file_id,))
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except mariadb.Error as e:
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print(f"Mariadb Error: {e}")
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raise HTTPException(
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status_code=500, detail="Somethings wrong with the database"
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)
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filename = cur.fetchone()[0]
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return FileResponse(f"./app/files/{filename}")
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@app.get("/search/lva")
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async def search_lva(
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searchterm: str, searchlim: int = 10
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) -> List[Dict[str, int | str]]:
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res = []
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cur = db.cursor(dictionary=True)
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if await is_LVID(searchterm):
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cur.execute(
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"SELECT lvid,lvname FROM LVAs WHERE lvid LIKE ?", (searchterm + "%",)
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)
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res = cur.fetchall()
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else:
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cur.execute(
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"SELECT id,lvid,lvname FROM LVAs WHERE lvname LIKE ?",
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(searchterm + "%",),
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)
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res = cur.fetchall()
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cur.execute(
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"SELECT id,lvid,lvname FROM LVAs WHERE lvname LIKE ?",
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("%" + searchterm + "%",),
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)
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res = remove_duplicates(res + cur.fetchall())
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if searchlim == 0:
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return res
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else:
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return res[:searchlim]
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@app.get("/search/prof")
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async def search_profs(
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searchterm: str = "", lid: int | None = None, searchlim: int = 10
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) -> List[Dict[str, str | int]]:
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res = []
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zw = []
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cur = db.cursor(dictionary=True)
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if lid is not None:
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# cur.execute("SELECT id FROM LVAs WHERE LVId=?", (lvid,))
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# lid = cur.fetchall()[0]["id"]
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cur.execute(
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"SELECT Profs.id,Profs.name FROM Profs LEFT JOIN LPLink ON Profs.id=LPLink.pid WHERE name like ? AND lid=?",
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("%" + searchterm + "%", lid),
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)
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res = cur.fetchall()
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cur.execute(
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"SELECT Profs.id,Profs.name FROM Profs LEFT JOIN LPLink ON Profs.id=LPLink.pid WHERE name NOT like ? AND lid=?",
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("%" + searchterm + "%", lid),
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)
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zw = cur.fetchall()
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if searchterm != "":
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cur.execute(
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"SELECT id,name FROM Profs WHERE name LIKE ?", ("%" + searchterm + "%",)
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)
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res += cur.fetchall()
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res = remove_duplicates(res + zw)
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if searchlim == 0:
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return res
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else:
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return res[:searchlim]
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@app.get(
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"/search/subcat"
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) # NOT FULLY TESTED DUE TO INCOMPLETE DATABASE DUE TO INACCEPTABLE FOLDERSTRUCTURE
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async def search_subcats(
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searchterm: str = "",
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lid: int | None = None,
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pid: int | None = None,
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cat: int | None = None,
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searchlim: int = 10,
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) -> List[Dict[str, str | int]]:
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res = []
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rest = []
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cur = db.cursor(dictionary=True)
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if not (lid is None or pid is None or cat is None): # Rest is available
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# cur.execute("SELECT id FROM LVAs WHERE LVId=?", (lvid,))
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# lid = cur.fetchall()[0]["id"]
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cur.execute(
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"SELECT id,name FROM SubCats WHERE lid=? AND pid=? AND cat=?",
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(lid, pid, cat),
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)
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rest = cur.fetchall()
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if searchterm != "": # searchterm is available
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if not (lid is None or pid is None or cat is None):
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cur.execute(
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"SELECT id,name FROM SubCats WHERE lid=? AND pid=? AND cat=? AND name LIKE ?",
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(lid, pid, cat, "%" + searchterm + "%"),
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)
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res = cur.fetchall()
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cur.execute(
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"SELECT id,name FROM SubCats WHERE name LIKE ?", ("%" + searchterm + "%",)
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)
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res += cur.fetchall()
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res = remove_duplicates(res + rest)
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if searchlim == 0:
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return res
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else:
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return res[:searchlim]
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# @app.post("/files/")
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# async def create_file(file: Annotated[bytes, File()]):
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# return {"filesize": len(file)}
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@app.post("/uploadfile/")
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async def create_upload_file(file: UploadFile):
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content = await file.read()
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filename = file.filename if file.filename is not None else "None"
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locpath = "./app/files/" + filename
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# locpaths.append(locpath)
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cur = db.cursor()
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try:
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cur.execute("Insert Into FIP (filename) Values(?)", (filename,))
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except mariadb.Error as e:
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print(f"Error: {e}")
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raise HTTPException(
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status_code=500, detail="Somethings wrong with the database"
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)
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try:
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cur.execute("Select id From FIP where filename=?", (filename,))
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except mariadb.Error as e:
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print(f"Error: {e}")
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raise HTTPException(
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status_code=500, detail="Somethings wrong with the database"
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)
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id = cur.fetchone()[0]
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with open(locpath, "wb") as f:
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f.write(content)
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# app.mount("/files", StaticFiles(directory="./app/files/"), name="files")
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db.commit()
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return {
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"filename": filename,
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"path": "/files/" + id,
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"fid": id,
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}
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@app.post("/submit/")
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async def get_submittion(
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lva: Annotated[str, Form()], # LVA Name and Number
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prof: Annotated[str, Form()], # Vortragender
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fname: Annotated[str, Form()], # Path to pdf File
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fileId: Annotated[str, Form()],
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sem: Annotated[str, Form()], # Semester eg. 2024W
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stype: Annotated[str, Form()], # Type of File eg. Prüfung=>0
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ex_date: Annotated[str, Form()], # Date of Exam only when type is exam
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rects: Annotated[
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str, Form()
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], # Rechtangles # List[List[Tuple[float, float, float, float]]],
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pagescales: Annotated[
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str, Form()
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], # Scales of Pages # Annotated[List[Dict[str, float]], Form()],
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):
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print(lva, prof, fname, stype, sem, ex_date, rects, pagescales)
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rects_p = json.loads(rects)
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scales_p = json.loads(pagescales)
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cur = db.cursor()
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try:
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cur.execute("Select filename from FIP where id=?", (fileId,))
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except mariadb.Error as e:
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print(f"Mariadb Error: {e}")
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raise HTTPException(
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status_code=500, detail="Somethings wrong with the database"
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)
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filepath = "./app/files/" + cur.fetchone()[0]
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censor_pdf(filepath, "./app/files/censored.pdf", rects_p, scales_p)
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return {"done": "ok"}
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def censor_pdf(
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path: str,
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destpath: str,
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rects: List[List[List[float]]],
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scales: List[Dict[str, float]],
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):
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doc = pymupdf.open(path)
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output = pymupdf.open()
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page = doc[0]
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width = page.rect.width
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height = page.rect.height
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print(width, height)
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for i in range(doc.page_count):
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page = doc[i]
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if i < len(rects):
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wfac = page.rect.width / scales[i]["width"]
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hfac = page.rect.height / scales[i]["height"]
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for rect in rects[i]:
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prect = pymupdf.Rect(
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rect[0] * wfac,
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rect[1] * hfac,
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(rect[0] + rect[2]) * wfac,
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(rect[1] + rect[3]) * hfac,
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)
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page.draw_rect(
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prect,
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color=(0, 0, 0),
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fill=(0, 0, 0),
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)
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bitmap = page.get_pixmap()
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pdf_bytes = bitmap.pdfocr_tobytes(
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language="deu",
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tessdata="/usr/share/tessdata/", # tesseract needs to be installed; this is the path to thetesseract files
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)
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output.insert_pdf(pymupdf.Document(stream=pdf_bytes))
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output.save(destpath)
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print("CENSORING DONE")
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async def is_LVID(term: str) -> bool:
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if re.match(r"[a-zA-Z0-9]{3}\.[a-zA-Z0-9]*", term):
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return True
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if term.isdigit():
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return True
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return False
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def remove_duplicates(
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results: List[Dict[str, str | int]],
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) -> List[Dict[str, str | int]]:
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ids = []
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res = []
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for result in results:
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if result["id"] in ids:
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continue
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ids.append(result["id"])
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res.append(result)
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return res
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# async def get_submittion(request: Request):
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# reqJson = await request.form()
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# print(reqJson)
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# return {"done": "ok"}
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