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import { Contract } from '../model/contract.ts';
import { DbData, db } from './db.ts';
const addContractStatement = db.prepare(`INSERT INTO contracts(data) VALUES (json(?));`);
const getContractStatement = db.prepare(`SELECT data FROM contracts WHERE data->>'id' = ?;`);
const getContractsStatement = db.prepare(`SELECT data FROM contracts WHERE data->>'fulfilled' = false;`);
const updateContractStatement = db.prepare(`UPDATE contracts SET data = json(:data) WHERE data->>'id' = :id;`);
export function getContract(id: string): Contract {
const data = getContractStatement.get(id) as DbData|undefined;
if (!data) throw `invalid id ${id} in getContract database call`;
return JSON.parse(data.data);
}
export function getContracts(): Array<Contract> {
const data = getContractsStatement.all() as Array<DbData>;
return data.map(contractData => JSON.parse(contractData.data));
}
export function setContract(data: Contract): void {
const changes = updateContractStatement.run({
data: JSON.stringify(data),
id: data.id,
}).changes;
if (changes === 0) addContractStatement.run(JSON.stringify(data));
}
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