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import streamlit as st
import sqlite3
import os
# ---------------- DATABASE SETUP ----------------
DB_PATH = "/tmp/telangana.db" # Hugging Face writable directory
def create_tables():
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute("""
CREATE TABLE IF NOT EXISTS districts (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT UNIQUE
)""")
cursor.execute("""
CREATE TABLE IF NOT EXISTS categories (
id INTEGER PRIMARY KEY AUTOINCREMENT,
district_id INTEGER,
category_name TEXT,
FOREIGN KEY(district_id) REFERENCES districts(id)
)""")
cursor.execute("""
CREATE TABLE IF NOT EXISTS products (
id INTEGER PRIMARY KEY AUTOINCREMENT,
category_id INTEGER,
product_name TEXT,
description TEXT,
image_data BLOB,
FOREIGN KEY(category_id) REFERENCES categories(id)
)""")
conn.commit()
conn.close()
create_tables()
# ---------------- FUNCTIONS ----------------
def add_district(name):
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute("INSERT OR IGNORE INTO districts(name) VALUES(?)", (name,))
conn.commit()
conn.close()
def add_category(district_name, category_name):
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute("SELECT id FROM districts WHERE name=?", (district_name,))
district_id = cursor.fetchone()
if district_id:
cursor.execute("INSERT INTO categories(district_id, category_name) VALUES(?, ?)", (district_id[0], category_name))
conn.commit()
conn.close()
def add_product(category_id, product_name, description, image_bytes):
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute("""
INSERT INTO products(category_id, product_name, description, image_data)
VALUES(?, ?, ?, ?)""", (category_id, product_name, description, image_bytes))
conn.commit()
conn.close()
def get_all_data():
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute("""
SELECT d.name, c.category_name, p.product_name
FROM districts d
JOIN categories c ON d.id = c.district_id
JOIN products p ON c.id = p.category_id
""")
data = cursor.fetchall()
conn.close()
return data
# ---------------- APP CONFIG ----------------
st.set_page_config(page_title="Telangana Products Explorer", page_icon="🌾", layout="wide")
menu = st.sidebar.radio("Navigation", ["Home", "Add Data", "View by District"])
# ---------------- HOME PAGE ----------------
if menu == "Home":
st.title("🌾 Telangana Famous Products")
st.subheader("Explore Products by District")
data = get_all_data()
if data:
grouped = {}
for district, category, product in data:
grouped.setdefault(district, {}).setdefault(category, []).append(product)
for district, categories in grouped.items():
with st.expander(f"📍 {district}"):
for category, products in categories.items():
st.write(f"{category}: {', '.join(products)}")
else:
st.info("No data available. Please add data in 'Add Data' section.")
# ---------------- ADD DATA PAGE ----------------
elif menu == "Add Data":
st.header("Add New Data")
# Add District
with st.form("add_district_form"):
district_name = st.text_input("District Name")
submitted = st.form_submit_button("Add District")
if submitted and district_name:
add_district(district_name)
st.success(f"✅ District '{district_name}' added!")
st.write("---")
# Add Category
with st.form("add_category_form"):
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute("SELECT name FROM districts")
district_list = [row[0] for row in cursor.fetchall()]
conn.close()
if district_list:
selected_district = st.selectbox("Select District", district_list)
category_name = st.text_input("Category Name")
cat_submitted = st.form_submit_button("Add Category")
if cat_submitted and selected_district and category_name:
add_category(selected_district, category_name)
st.success(f"✅ Category '{category_name}' added to {selected_district}")
else:
st.warning("Please add districts first.")
st.write("---")
# Add Product
with st.form("add_product_form"):
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute("""
SELECT c.id, c.category_name, d.name
FROM categories c
JOIN districts d ON c.district_id = d.id
""")
category_list = [(row[0], f"{row[2]} - {row[1]}") for row in cursor.fetchall()]
conn.close()
if category_list:
category_dict = {label: cat_id for cat_id, label in category_list}
selected_category_label = st.selectbox("Select Category", list(category_dict.keys()))
product_name = st.text_input("Product Name")
product_description = st.text_area("Product Description")
product_image = st.file_uploader("Product Image", type=["png", "jpg", "jpeg"])
prod_submitted = st.form_submit_button("Add Product")
if prod_submitted and selected_category_label and product_name:
image_bytes = product_image.getvalue() if product_image else None
add_product(
category_dict[selected_category_label],
product_name,
product_description,
image_bytes
)
st.success(f"✅ Product '{product_name}' added!")
else:
st.warning("Please add categories first.")
# ---------------- VIEW BY DISTRICT ----------------
elif menu == "View by District":
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute("SELECT name FROM districts")
districts = [row[0] for row in cursor.fetchall()]
conn.close()
if districts:
selected_district = st.selectbox("Select District", districts)
if selected_district:
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute("""
SELECT c.category_name, p.product_name, p.description, p.image_data
FROM districts d
JOIN categories c ON d.id = c.district_id
JOIN products p ON c.id = p.category_id
WHERE d.name = ?
""", (selected_district,))
rows = cursor.fetchall()
conn.close()
if rows:
st.write(f"### 📍 {selected_district}")
category_dict = {}
for category, product, description, image in rows:
category_dict.setdefault(category, []).append((product, description, image))
for category, products in category_dict.items():
st.markdown(f"#### 🏷 {category}")
for product_name, description, image_data in products:
col1, col2 = st.columns([1, 3])
with col1:
if image_data:
st.image(image_data, use_column_width=True)
with col2:
st.write(f"**{product_name}**")
st.caption(description)
st.write("---")
else:
st.info("No products available for this district.")
else:
st.warning("Please add districts first.") |