feat: Login/Signup/File upload updated

BE/controller/__init__.py

+# from .controller import connector
+from .db_connector import get_mysql_conn
+from .controller import signup, signin

BE/controller/controller.py

+from controller.db_connector import get_mysql_conn
+import pandas as pd
+
+def signup(userdata):
+    with get_mysql_conn() as conn:
+        mycursor = conn.cursor()
+        sql = "INSERT INTO user (user_name, email, password) VALUES (%s, %s, %s)"
+        val = (userdata.user_name, userdata.email, userdata.password)
+        mycursor.execute(sql, val)
+        conn.commit()
+        df = pd.read_sql('SELECT * FROM user', conn)
+        print(df)
+    return("Record inserted")
+
+def signin(email,password):
+    with get_mysql_conn() as conn:
+        mycursor = conn.cursor()
+        sql = "SELECT password FROM user WHERE email = %s"
+        val = (email,)
+        mycursor.execute(sql, val)        
+        myresult = mycursor.fetchall()
+        print(myresult[0][0])
+        if myresult[0][0] == password:
+            print("Logged sucessfully")
+        else:
+            print("Incorrect password")    
+    return("hi")
+

BE/controller/db_connector.py

+import contextlib
+import mysql.connector
+
+
+@contextlib.contextmanager
+def get_mysql_conn():
+    conn = mysql.connector.connect(host="localhost",
+                                   user="root",
+                                   password="",
+                                   database="presently-cdap")
+    try:
+        yield conn
+    finally:
+        conn.close()
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BE/main.py

+from typing import Optional
+from fastapi import FastAPI, File, UploadFile
+from pydantic import BaseModel
+from models.user_model import Signup, Signin
+import controller
+
+app = FastAPI()
+
+@app.get("/")
+def read_root():
+    return {"Hello": "World"}
+
+
+@app.get("/items/{item_id}")
+def read_item(item_id: int, q: Optional[str] = None):
+    return {"item_id": item_id, "q": q}
+
+@app.post("/signup")
+def read_root_post(signup:Signup):
+    return controller.signup(signup)
+
+@app.post("/signin")
+def read_root_post(signin:Signin):
+    return controller.signin(signin.email, signin.password)    
+
+@app.post("/fileupload")
+def read_root_post(file: UploadFile = File(...)):
+    return file.filename
\ No newline at end of file

BE/models/user_model.py

+from pydantic import BaseModel
+
+
+class Signup(BaseModel):
+    user_name: str
+    email: str
+    password: str
+
+class Signin(BaseModel):
+    email: str
+    password: str    
\ No newline at end of file