create project and create model and dashboard

app/routes/auth.py

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+from flask import Blueprint, request, render_template, redirect, flash, session
+from app.services.user_service import UserService  
+
+auth_bp = Blueprint("auth", __name__, url_prefix="/auth")
+
+# LOGIN PAGE
+@auth_bp.route("/login", methods=["GET", "POST"])
+def login():
+    if request.method == "POST":
+        user = UserService.validate_login(
+            request.form["email"],
+            request.form["password"]
+        )
+        if user:
+            session["user_id"] = user.id
+            return redirect("/dashboard")
+        flash("Invalid credentials", "danger")
+    return render_template("login.html")
+
+# REGISTER API ONLY
+@auth_bp.route("/register", methods=["POST"])
+def register():
+    data = request.json
+    UserService.register_user(data["name"], data["email"], data["password"])
+    return {"message": "User registered successfully"}, 201
+
+# LOGOUT
+@auth_bp.route("/logout")
+def logout():
+    session.clear()
+    return redirect("/auth/login")

app/routes/dashboard.py

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+from flask import Blueprint, render_template
+
+dashboard_bp = Blueprint("dashboard", __name__)
+
+@dashboard_bp.route("/")
+@dashboard_bp.route("/dashboard")
+def dashboard():
+    return render_template("dashboard.html", title="Dashboard")

app/routes/file_import.py

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+from flask import Blueprint, render_template, request, flash
+from app.services.file_service import FileService
+from app.models.subcontractor_model import Subcontractor
+
+file_import_bp = Blueprint("file_import", __name__, url_prefix="/file")
+
+@file_import_bp.route("/import", methods=["GET", "POST"])
+def import_file():
+    subcontractors = Subcontractor.query.all()
+
+    if request.method == "POST":
+        file = request.files.get("file")
+        subcontractor_id = request.form.get("subcontractor_id")
+        file_type = request.form.get("file_type")
+
+        service = FileService()
+        success, msg = service.handle_file_upload(file, subcontractor_id, file_type)
+
+        flash(msg, "success" if success else "danger")
+
+    return render_template("file_import.html", title="File Import", subcontractors=subcontractors)

app/routes/subcontractor_routes.py

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+from flask import Blueprint, render_template, request, redirect, flash
+from app import db
+from app.models.subcontractor_model import Subcontractor
+
+subcontractor_bp = Blueprint("subcontractor", __name__, url_prefix="/subcontractor")
+
+# ---------------- ADD -----------------
+@subcontractor_bp.route("/add")
+def add_subcontractor():
+    return render_template("subcontractor/add.html")
+
+@subcontractor_bp.route("/save", methods=["POST"])
+def save_subcontractor():
+    subcontractor = Subcontractor(
+        subcontractor_name=request.form.get("subcontractor_name"),
+        contact_person=request.form.get("contact_person"),
+        mobile_no=request.form.get("mobile_no"),
+        email_id=request.form.get("email_id"),
+        gst_no=request.form.get("gst_no")
+    )
+    db.session.add(subcontractor)
+    db.session.commit()
+
+    flash("Subcontractor added successfully!", "success")
+    return redirect("/subcontractor/list")
+
+# ---------------- LIST -----------------
+@subcontractor_bp.route("/list")
+def subcontractor_list():
+    subcontractors = Subcontractor.query.all()
+    return render_template("subcontractor/list.html", subcontractors=subcontractors)
+
+# ---------------- EDIT -----------------
+@subcontractor_bp.route("/edit/<int:id>")
+def edit_subcontractor(id):
+    subcontractor = Subcontractor.query.get_or_404(id)
+    return render_template("subcontractor/edit.html", subcontractor=subcontractor)
+
+# ---------------- UPDATE -----------------
+@subcontractor_bp.route("/update/<int:id>", methods=["POST"])
+def update_subcontractor(id):
+    subcontractor = Subcontractor.query.get_or_404(id)
+
+    subcontractor.subcontractor_name = request.form.get("subcontractor_name")
+    subcontractor.contact_person = request.form.get("contact_person")
+    subcontractor.mobile_no = request.form.get("mobile_no")
+    subcontractor.email_id = request.form.get("email_id")
+    subcontractor.gst_no = request.form.get("gst_no")
+
+    db.session.commit()
+
+    flash("Subcontractor updated successfully!", "success")
+    return redirect("/subcontractor/list")
+
+# ---------------- DELETE -----------------
+@subcontractor_bp.route("/delete/<int:id>")
+def delete_subcontractor(id):
+    subcontractor = Subcontractor.query.get_or_404(id)
+
+    db.session.delete(subcontractor)
+    db.session.commit()
+
+    flash("Subcontractor deleted successfully!", "success")
+    return redirect("/subcontractor/list")

app/routes/user.py

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+from flask import Blueprint, render_template
+from app.services.user_service import UserService
+
+user_bp = Blueprint("user", __name__, url_prefix="/user")
+
+@user_bp.route("/list")
+def list_users():
+    users = UserService().get_all_users()
+    return render_template("users.html", users=users, title="Users")