Client billing code push

app/models.py

@@ -0,0 +1,74 @@
+from . import db
+from flask_login import UserMixin
+from datetime import datetime
+
+String_size = db.String(255)
+
+class User(UserMixin, db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    username = db.Column(String_size, unique=True, nullable=False)
+    email = db.Column(String_size, unique=True, nullable=False)
+    password_hash = db.Column(String_size, nullable=False)
+    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+
+    def set_password(self, password):
+        from werkzeug.security import generate_password_hash
+        self.password_hash = generate_password_hash(password)
+
+    def check_password(self, password):
+        from werkzeug.security import check_password_hash
+        return check_password_hash(self.password_hash, password)
+
+    def __repr__(self):
+        return f'<User {self.username}>'
+
+# ==========================
+# Your existing models below
+# ==========================
+
+class Task(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    district = db.Column(String_size)
+    block_name = db.Column(String_size)
+    village_name = db.Column(String_size)
+    serial_number = db.Column(String_size)
+    parent_id = db.Column(String_size, nullable=True)
+    parent_task_name = db.Column(db.Text)
+    task_name = db.Column(db.Text)
+    unit = db.Column(String_size)
+    qty = db.Column(String_size)
+    rate = db.Column(String_size)
+    boq_amount = db.Column(String_size)
+    previous_billed_qty = db.Column(String_size)
+    previous_billing_amount = db.Column(String_size)
+    remaining_amount = db.Column(String_size)
+    in_this_ra_bill_qty = db.Column(String_size)
+    in_this_ra_billing_amount = db.Column(String_size)
+    cumulative_billed_qty = db.Column(String_size)
+    cumulative_billed_amount = db.Column(String_size)
+    variation_qty = db.Column(String_size)
+    variation_amount = db.Column(String_size)
+    remark = db.Column(String_size, nullable=True)
+    uploaded_at = db.Column(db.DateTime, default=datetime.utcnow)
+
+class WorkDetail(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    name_of_work = db.Column(String_size)
+    cover_agreement_no = db.Column(String_size)
+    name_of_contractor = db.Column(String_size)
+    name_of_tpi_agency = db.Column(String_size)
+    name_of_division = db.Column(String_size)
+    name_of_village = db.Column(String_size)
+    block = db.Column(String_size)
+    scheme_id = db.Column(String_size)
+    measurement_book = db.Column(String_size)
+    date_of_billing = db.Column(String_size)
+    uploaded_at = db.Column(db.DateTime, default=datetime.utcnow)
+    district = db.Column(db.String(255))
+
+class ActivityLog(db.Model):  # ✅ OUTSIDE WorkDetail
+    id = db.Column(db.Integer, primary_key=True)
+    user = db.Column(db.String(100))  # can link with User model later
+    action = db.Column(db.String(255))
+    details = db.Column(db.Text)
+    timestamp = db.Column(db.DateTime, default=datetime.utcnow)