Files
cloudron-box/src/taskdb.js
Girish Ramakrishnan b5c59e6b7d Add args to tasks table
2018-11-30 14:12:24 -08:00

69 lines
2.2 KiB
JavaScript

'use strict';
exports = module.exports = {
setProgress: setProgress,
getProgress: getProgress
};
let assert = require('assert'),
database = require('./database.js'),
DatabaseError = require('./databaseerror'),
safe = require('safetydance'),
_ = require('underscore');
const TASKS_FIELDS = [ 'id', 'argsJson', 'percent', 'message', 'errorMessage', 'creationTime', 'result', 'ts' ];
function postProcess(result) {
assert.strictEqual(typeof result, 'object');
assert(result.argsJson === null || typeof result.argsJson === 'string');
result.args = safe.JSON.parse(result.argsJson);
delete result.argsJson;
}
function setProgress(id, progress, callback) {
assert.strictEqual(typeof id, 'string');
assert.strictEqual(typeof progress, 'object');
assert.strictEqual(typeof callback, 'function');
let data = _.extend({ id: id }, progress);
let keys = [ ],
questionMarks = Array(Object.keys(data).length).fill('?').join(','),
fields = [ ], values = [ ];
for (var f in data) {
let key, value;
if (f === 'args') {
key = 'argsJson';
value = JSON.stringify(data[f]);
} else {
key = f;
value = data[f];
}
keys.push(key);
fields.push(`${key} = ?`);
values.push(value); // for the INSERT fields
}
values = values.concat(values); // for the UPDATE fields
database.query(`INSERT INTO tasks (${keys.join(', ')}) VALUES (${questionMarks}) ON DUPLICATE KEY UPDATE ${fields}`, values, function (error) {
if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
callback(null);
});
}
function getProgress(id, callback) {
assert.strictEqual(typeof id, 'string');
assert.strictEqual(typeof callback, 'function');
database.query('SELECT ' + TASKS_FIELDS + ' FROM tasks WHERE id = ?', [ id ], function (error, result) {
if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
if (result.length === 0) return callback(new DatabaseError(DatabaseError.NOT_FOUND));
callback(null, postProcess(result[0]));
});
}