db code, check if database is up before any select operation

This commit is contained in:
Sam Hadow 2025-03-05 13:37:03 +01:00
parent 10f25b8810
commit 16b6b4edf9

236
src/db.js
View File

@ -92,95 +92,187 @@ const database = {
console.error("Pubkey is required");
return;
}
try {
await pool.query(
'INSERT INTO "users" (uuid, pubkey) VALUES (DEFAULT, $1)',
[pubkey,]
);
console.log(`Added user with the public key ${pubkey} .`);
} catch (err) {
console.error('Error adding user:', err);
const maxRetries = 5;
let retries = 0;
while (retries < maxRetries) {
const dbUp = await database.checkIfDatabaseIsUp();
if (dbUp) {
try {
await pool.query(
'INSERT INTO "users" (uuid, pubkey) VALUES (DEFAULT, $1)',
[pubkey]
);
console.log(`Added user with the public key ${pubkey}.`);
return;
} catch (err) {
console.error('Error adding user:', err);
throw err;
}
} else {
console.log('Waiting for the database to start...');
retries += 1;
if (retries < maxRetries) {
await new Promise(resolve => setTimeout(resolve, 10000));
} else {
console.error(`Failed to connect to the database after ${maxRetries} attempts.`);
}
}
}
},
createRoom: async (pubkey1, pubkey2) => {
try {
const userQuery = 'SELECT uuid FROM users WHERE pubkey = $1';
const uuidRes1 = await pool.query(userQuery, [pubkey1]);
const uuidRes2 = await pool.query(userQuery, [pubkey2]);
const maxRetries = 5;
let retries = 0;
while (retries < maxRetries) {
const dbUp = await database.checkIfDatabaseIsUp();
if (dbUp) {
try {
const userQuery = 'SELECT uuid FROM users WHERE pubkey = $1';
const uuidRes1 = await pool.query(userQuery, [pubkey1]);
const uuidRes2 = await pool.query(userQuery, [pubkey2]);
if (!uuidRes1.rows[0] || !uuidRes2.rows[0]) {
throw new Error('One or both users not found');
if (!uuidRes1.rows[0] || !uuidRes2.rows[0]) {
throw new Error('One or both users not found');
}
const uuid1 = uuidRes1.rows[0].uuid;
const uuid2 = uuidRes2.rows[0].uuid;
const roomRes = await pool.query(
'INSERT INTO room (uuid) VALUES (DEFAULT) RETURNING uuid'
);
const roomid = roomRes.rows[0].uuid;
await pool.query(
`INSERT INTO room_members (room_uuid, user_uuid)
VALUES ($1, $2), ($1, $3)`,
[roomid, uuid1, uuid2]
);
return roomid;
} catch (err) {
console.error('Error creating the room:', err);
throw err;
}
} else {
console.log('Waiting for the database to start...');
retries += 1;
if (retries < maxRetries) {
await new Promise(resolve => setTimeout(resolve, 10000));
} else {
console.error(`Failed to connect to the database after ${maxRetries} attempts.`);
}
}
const uuid1 = uuidRes1.rows[0].uuid;
const uuid2 = uuidRes2.rows[0].uuid;
const roomRes = await pool.query(
'INSERT INTO room (uuid) VALUES (DEFAULT) RETURNING uuid'
);
const roomid = roomRes.rows[0].uuid;
await pool.query(
`INSERT INTO room_members (room_uuid, user_uuid)
VALUES ($1, $2), ($1, $3)`,
[roomid, uuid1, uuid2]
);
return roomid;
} catch (err) {
console.error('Error creating the room:', err);
throw err; // Re-throw to handle in calling code
}
},
getRooms: async (pubkey) => {
try {
const roomsRes = await pool.query(
'SELECT m.room_uuid FROM room_members m, users u WHERE m.user_uuid = u.uuid AND u.pubkey = $1',
[pubkey]
);
return roomsRes.rows.map(row => row.room_uuid);
} catch (err) {
console.error('Error retrieving rooms:', err);
throw err;
const maxRetries = 5;
let retries = 0;
while (retries < maxRetries) {
const dbUp = await database.checkIfDatabaseIsUp();
if (dbUp) {
try {
const roomsRes = await pool.query(
'SELECT m.room_uuid FROM room_members m, users u WHERE m.user_uuid = u.uuid AND u.pubkey = $1',
[pubkey]
);
return roomsRes.rows.map(row => row.room_uuid);
} catch (err) {
console.error('Error retrieving rooms:', err);
throw err;
}
} else {
console.log('Waiting for the database to start...');
retries += 1;
if (retries < maxRetries) {
await new Promise(resolve => setTimeout(resolve, 10000));
} else {
console.error(`Failed to connect to the database after ${maxRetries} attempts.`);
}
}
}
},
getRoomMembers: async (roomid) => {
try {
const members = await pool.query(
'SELECT u.pubkey FROM room_members r, users u WHERE r.user_uuid = u.uuid AND r.room_uuid = $1',
[roomid]
);
return members.rows.map(row => row.pubkey);
} catch (err) {
console.error('Error retrieving rooms:', err);
throw err;
const maxRetries = 5;
let retries = 0;
while (retries < maxRetries) {
const dbUp = await database.checkIfDatabaseIsUp();
if (dbUp) {
try {
const members = await pool.query(
'SELECT u.pubkey FROM room_members r, users u WHERE r.user_uuid = u.uuid AND r.room_uuid = $1',
[roomid]
);
return members.rows.map(row => row.pubkey);
} catch (err) {
console.error('Error retrieving rooms:', err);
throw err;
}
} else {
console.log('Waiting for the database to start...');
retries += 1;
if (retries < maxRetries) {
await new Promise(resolve => setTimeout(resolve, 10000));
} else {
console.error(`Failed to connect to the database after ${maxRetries} attempts.`);
}
}
}
},
getPeers: async (pubkey) => {
try {
const peers = await pool.query(
`SELECT u1.pubkey
FROM room_members r1, room_members r2, users u1, users u2
WHERE r1.user_uuid = u1.uuid
AND r2.user_uuid = u2.uuid
AND r1.room_uuid = r2.room_uuid
AND u2.pubkey != u1.pubkey
AND u2.pubkey = $1`,
[pubkey]
);
return peers.rows.map(row => row.pubkey);
} catch (err) {
console.error('Error retrieving peers:', err);
throw err;
const maxRetries = 5;
let retries = 0;
while (retries < maxRetries) {
const dbUp = await database.checkIfDatabaseIsUp();
if (dbUp) {
try {
const peers = await pool.query(
`SELECT u1.pubkey
FROM room_members r1, room_members r2, users u1, users u2
WHERE r1.user_uuid = u1.uuid
AND r2.user_uuid = u2.uuid
AND r1.room_uuid = r2.room_uuid
AND u2.pubkey != u1.pubkey
AND u2.pubkey = $1`,
[pubkey]
);
return peers.rows.map(row => row.pubkey);
} catch (err) {
console.error('Error retrieving peers:', err);
throw err;
}
} else {
console.log('Waiting for the database to start...');
retries += 1;
if (retries < maxRetries) {
await new Promise(resolve => setTimeout(resolve, 10000));
} else {
console.error(`Failed to connect to the database after ${maxRetries} attempts.`);
}
}
}
},
getPublicKeys: async () => {
try {
const result = await pool.query('SELECT pubkey FROM users');
const publicKeys = result.rows.map(row => row.pubkey);
return publicKeys;
} catch (err) {
console.error('Error retrieving public keys:', err);
throw new Error('Error retrieving public keys');
const maxRetries = 5;
let retries = 0;
while (retries < maxRetries) {
const dbUp = await database.checkIfDatabaseIsUp();
if (dbUp) {
try {
const result = await pool.query('SELECT pubkey FROM users');
const publicKeys = result.rows.map(row => row.pubkey);
return publicKeys;
} catch (err) {
console.error('Error retrieving public keys:', err);
throw new Error('Error retrieving public keys');
}
} else {
console.log('Waiting for the database to start...');
retries += 1;
if (retries < maxRetries) {
await new Promise(resolve => setTimeout(resolve, 10000));
} else {
console.error(`Failed to connect to the database after ${maxRetries} attempts.`);
}
}
}
}
};