feat(API): Implemented function that build the Cutter Table dictionary.

Was implemented a function that makes a request to a UFRRJ Library website and with Beautifulsoup4 library build a dictionary with Cutter Table. This function is called on start fastaAPI project and this dictionary stay cached in memory all the time.

Closes #9

.flake8

@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 120

api/business_rules/cutter_table.py

@@ -0,0 +1,23 @@
+import httpx
+from bs4 import BeautifulSoup
+
+
+def gen_cutter_table():
+    cutter_table = {}
+    for index in range(1, 10):
+        url = f'https://academico.ufrrj.br/biblioteca/cutter/cutter{index}.html'
+
+        resp = httpx.get(url)
+
+        soup = BeautifulSoup(resp.text, 'html.parser')
+
+        letters = soup.find_all('b')[0].getText()
+
+        for i, letter in enumerate(letters):
+            cutter_table[letter.lower()] = []
+            for element in soup.find_all('pre')[i].getText().split('\n'):
+                if element.strip() and element.strip().isascii():
+                    code, abreviaton = element.strip().split(' ' * 5)
+                    cutter_table[letter.lower()].append((code, abreviaton.lower()))
+
+    return cutter_table

api/main.py

@@ -1,8 +1,18 @@
 from fastapi import FastAPI
 
+from api.business_rules.cutter_table import gen_cutter_table
+
 api = FastAPI()
 
+cutter_table = {}
+
+
+@api.on_event("startup")
+async def startup_event():
+    global cutter_table
+    cutter_table = gen_cutter_table()
+
 
 @api.get('/health')
-def health():
+async def health():
     return {'message': 'The API is 100% ok!'}

pyproject.toml

@@ -10,9 +10,8 @@ packages = [{ include = "gen_cutter_sanborn" }]
 [tool.poetry.dependencies]
 python = "^3.11"
 unidecode = "^1.3.6"
-requests = "^2.28.1"
 beautifulsoup4 = "^4.11.1"
-fastapi = "^0.87.0"
+fastapi = "^0.88.0"
 gunicorn = "^20.1.0"
 uvicorn = { extras = ["standard"], version = "^0.20.0" }