freshyo/apps/db-helper-postgres/src/lib/const-store.ts
2026-03-24 18:48:31 +05:30

75 lines
2 KiB
TypeScript

import { db } from '../db/db_index'
import { keyValStore } from '../db/schema'
import redisClient from '@/src/lib/redis-client'
import { CONST_KEYS, CONST_KEYS_ARRAY, type ConstKey } from '@/src/lib/const-keys'
const CONST_REDIS_PREFIX = 'const:';
export const computeConstants = async (): Promise<void> => {
try {
console.log('Computing constants from database...');
const constants = await db.select().from(keyValStore);
for (const constant of constants) {
const redisKey = `${CONST_REDIS_PREFIX}${constant.key}`;
const value = JSON.stringify(constant.value);
// console.log({redisKey, value})
await redisClient.set(redisKey, value);
}
console.log(`Computed and stored ${constants.length} constants in Redis`);
} catch (error) {
console.error('Failed to compute constants:', error);
throw error;
}
};
export const getConstant = async <T = any>(key: string): Promise<T | null> => {
const redisKey = `${CONST_REDIS_PREFIX}${key}`;
const value = await redisClient.get(redisKey);
if (!value) {
return null;
}
try {
return JSON.parse(value) as T;
} catch {
return value as unknown as T;
}
};
export const getConstants = async <T = any>(keys: string[]): Promise<Record<string, T | null>> => {
const redisKeys = keys.map(key => `${CONST_REDIS_PREFIX}${key}`);
const values = await redisClient.MGET(redisKeys);
const result: Record<string, T | null> = {};
keys.forEach((key, index) => {
const value = values[index];
if (!value) {
result[key] = null;
} else {
try {
result[key] = JSON.parse(value) as T;
} catch {
result[key] = value as unknown as T;
}
}
});
return result;
};
export const getAllConstValues = async (): Promise<Record<ConstKey, any>> => {
const result: Record<string, any> = {};
for (const key of CONST_KEYS_ARRAY) {
result[key] = await getConstant(key);
}
return result as Record<ConstKey, any>;
};
export { CONST_KEYS, CONST_KEYS_ARRAY };