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Initial commit: Added listing and location routes

This commit is contained in:
Soham Chari 2025-11-28 18:21:51 +05:30
commit 2ea38ef091
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}

25
package.json Normal file
View File

@ -0,0 +1,25 @@
{
"name": "buysellservice_livingai",
"version": "1.0.0",
"description": "",
"type": "module",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"repository": {
"type": "git",
"url": "git+https://github.com/schari2509/BuySellService_LivingAI.git"
},
"author": "Soham Chari",
"license": "ISC",
"bugs": {
"url": "https://github.com/schari2509/BuySellService_LivingAI/issues"
},
"homepage": "https://github.com/schari2509/BuySellService_LivingAI#readme",
"dependencies": {
"cors": "^2.8.5",
"express": "^5.1.0",
"pg": "^8.16.3"
}
}

222
routes/listingRoutes.js Normal file
View File

@ -0,0 +1,222 @@
import express from "express";
const router = express.Router();
import { Pool } from "pg";
const pool = new Pool({
user: process.env.DB_USER,
host: process.env.DB_HOST,
database: process.env.DB_NAME,
password: process.env.DB_PASSWORD_D,
port: process.env.DB_PORT,
});
// Get all listings
router.get("/", async (req, res) => {
const speciesId = req.query.species_id;
const breedId = req.query.breed_id;
const state = req.query.state;
const district = req.query.district;
const minPrice = req.query.min_price;
const listingType = req.query.listing_type;
let baseQuery = "SELECT * FROM listings WHERE 1=1";
const queryParams = [];
let paramIndex = 1;
if (speciesId) {
baseQuery += ` AND species_id = $${paramIndex}`;
queryParams.push(speciesId);
paramIndex++;
}
if (breedId) {
baseQuery += ` AND breed_id = $${paramIndex}`;
queryParams.push(breedId);
paramIndex++;
}
if (state) {
baseQuery += ` AND state = $${paramIndex}`;
queryParams.push(state);
paramIndex++;
}
if (district) {
baseQuery += ` AND district = $${paramIndex}`;
queryParams.push(district);
paramIndex++;
}
if (minPrice) {
baseQuery += ` AND price >= $${paramIndex}`;
queryParams.push(minPrice);
paramIndex++;
}
if (listingType) {
baseQuery += ` AND listing_type = $${paramIndex}`;
queryParams.push(listingType);
paramIndex++;
}
try {
const listingsResult = await pool.query(baseQuery, queryParams);
res.status(200).json(listingsResult.rows);
} catch (error) {
res.status(500).json({
error: "Internal Server Error in fetching listings",
});
}
});
// Get listing by ID
router.get("/:id", async (req, res) => {
const listingId = req.params.id;
try {
const listingResult = await pool.query(
"SELECT * FROM listings WHERE id = $1",
[listingId]
);
if (listingResult.rows.length === 0) {
return res.status(404).json({ error: "Listing not found" });
}
res.status(200).json(listingResult.rows[0]);
} catch (error) {
res.status(500).json({
error: `Internal Server Error in fetching the specified ${id} listing`,
});
}
});
// Update listing by ID
router.put("/:id", async (req, res) => {
const listingId = req.params.id;
const { title, description, price } = req.body;
try {
const updateResult = await pool.query(
"UPDATE listings SET title = $1, description = $2, price = $3 WHERE id = $5 RETURNING *",
[title, description, price, listingId]
);
if (updateResult.rows.length === 0) {
return res
.status(404)
.json({ error: "Listing not found for update" });
}
res.status(200).json(updateResult.rows[0]);
} catch (error) {
res.status(500).json({
error: `Internal Server Error in updating the specified ${id} listing`,
});
}
});
// Submit a new listing
router.post("/", async (req, res) => {
const client = await pool.connect();
try {
await client.query("BEGIN");
const {
seller_id,
title,
price,
currency,
is_negotiable,
listing_type,
animal,
} = req.body;
// Add a new location if provided
if (!animal.location_id && req.body.new_location) {
animal.location_id = addNewLocation(req.body.new_location);
}
const animalId = await addAnimalToListing(animal);
const listingInsertQuery =
"INSERT INTO listings (seller_id, animal_id, title, price, currency, is_negotiable, listing_type, created_at, updated_at) VALUES ($1, $2, $3, $4, $5, $6, $7, NOW(), NOW()) RETURNING *";
const listingValues = [
seller_id,
animalId,
title,
price,
currency,
is_negotiable,
listing_type,
];
const listingResult = await client.query(
listingInsertQuery,
listingValues
);
await client.query("COMMIT");
res.status(201).json(listingResult.rows[0]);
} catch (error) {
await client.query("ROLLBACK");
res.status(500).json({
error: "Internal Server Error in creating new listing",
});
} finally {
client.release();
}
});
const addAnimalToListing = async (animal) => {
try {
const animalInsertQuery =
"INSERT INTO animals (species_id, breed_id, sex, age_months, weight_kg, color_markings, quantity, purpose, health_status, vaccinated, dewormed, previous_pregnancies_count, pregnancy_status, milk_yield_litre_per_day, ear_tag_no, description, suggested_care, location_id, created_from, created_at, updated_at) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18, NOW(), NOW()) RETURNING id";
const animalValues = [
animal.species_id,
animal.breed_id,
animal.sex,
animal.age_months,
animal.weight_kg,
animal.color_markings,
animal.quantity,
animal.purpose,
animal.health_status,
animal.vaccinated,
animal.dewormed,
animal.previous_pregnancies_count,
animal.pregnancy_status,
animal.milk_yield_litre_per_day,
animal.ear_tag_no,
animal.description,
animal.suggested_care,
animal.location_id,
];
const animalResult = await client.query(
animalInsertQuery,
animalValues
);
const animalId = animalResult.rows[0].id;
return animalId;
} catch (error) {
throw new Error("Error adding animal to listing: " + error.message);
}
};
const addNewLocation = async (location) => {
try {
const locationInsertQuery =
"INSERT INTO locations (user_id, is_saved_address, location_type, country, state, district, city_village, pincode, lat, lng, source_type, source_confidence, created_at, updated_at) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, NOW(), NOW()) RETURNING id";
const locationValues = [
location.user_id,
location.is_saved_address,
location.location_type,
location.country,
location.state,
location.district,
location.city_village,
location.pincode,
location.lat,
location.lng,
location.source_type,
location.source_confidence,
];
const locationResult = await client.query(
locationInsertQuery,
locationValues
);
return locationResult.rows[0].id;
} catch (error) {
throw new Error("Error adding new location: " + error.message);
}
};
export default router;

136
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import express from "express";
import { Pool } from "pg";
const router = express.Router();
const pool = new Pool({
user: process.env.DB_USER,
host: process.env.DB_HOST,
database: process.env.DB_NAME,
password: process.env.DB_PASSWORD_D,
port: process.env.DB_PORT,
});
// Add a new location
router.post("/", async (req, res) => {
const {
user_id,
is_saved_address,
location_type,
country,
state,
district,
city_village,
pincode,
lat,
lng,
source_type,
source_confidence,
} = req.body;
try {
const insertQuery =
"INSERT INTO locations (user_id, is_saved_address, location_type, country, state, district, city_village, pincode, lat, lng, source_type, source_confidence) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12) RETURNING *";
const values = [
user_id,
is_saved_address,
location_type,
country,
state,
district,
city_village,
pincode,
lat,
lng,
source_type,
source_confidence,
];
const result = await pool.query(insertQuery, values);
res.status(201).json({
message: "Location added successfully",
location: result.rows[0],
});
} catch (error) {
console.error("Error adding location:", error);
res.status(500).json({
error: "Internal server error adding location",
});
}
});
// Update a location by ID
router.put("/:id", async (req, res) => {
const locationId = req.params.id;
const {
user_id,
is_saved_address,
location_type,
country,
state,
district,
city_village,
pincode,
lat,
lng,
source_type,
source_confidence,
} = req.body;
try {
const updateQuery =
"UPDATE locations SET user_id = $1, is_saved_address = $2, location_type = $3, country = $4, state = $5, district = $6, city_village = $7, pincode = $8, lat = $9, lng = $10, source_type = $11, source_confidence = $12 WHERE id = $13 RETURNING *";
const values = [
user_id,
is_saved_address,
location_type,
country,
state,
district,
city_village,
pincode,
lat,
lng,
source_type,
source_confidence,
locationId,
];
const result = await pool.query(updateQuery, values);
if (result.rows.length === 0) {
return res.status(404).json({ error: "Location not found" });
}
res.status(200).json({
message: "Location updated successfully",
location: result.rows[0],
});
} catch (error) {
console.error("Error updating location:", error);
res.status(500).json({
error: "Internal server error updating location",
});
}
});
// Get location by ID
router.get("/:id", async (req, res) => {
const locationId = req.params.id;
try {
const selectQuery = "SELECT * FROM locations WHERE id = $1";
const result = await pool.query(selectQuery, [locationId]);
if (result.rows.length === 0) {
return res.status(404).json({ error: "Location not found" });
}
res.status(200).json(result.rows[0]);
} catch (error) {
console.error("Error fetching location:", error);
res.status(500).json({
error: "Internal server error fetching location",
});
}
});
export default router;

19
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import express from "express";
import cors from "cors";
const app = express();
app.use(cors());
app.use(express.json());
const PORT = process.env.PORT || 3200;
// Add routes here
import listingRoutes from "./routes/listingRoutes.js";
import locationRoutes from "./routes/locationRoutes.js";
app.use("/listings", listingRoutes);
app.use("/locations", locationRoutes);
app.listen(PORT, () => {
console.log(`BuySellService is running on port ${PORT}`);
});