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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | 22x 22x 4x 4x 4x 22x 3x 3x 22x 3x 3x 22x 1x 1x 1x 22x 1x 1x 22x | const db = require("../../database/connection");
const insert = (learningObject) => {
const query = "INSERT INTO learning_object(urn, timestamp, data) VALUES ($1, $2, $3) " +
"ON CONFLICT ON CONSTRAINT learning_object_pk " +
"DO UPDATE SET timestamp = $2, data = $3 " +
"RETURNING *"; // returns passed learningObject with it's id set to corresponding id in database
const params = [learningObject.urn, learningObject.timestamp, learningObject.data];
return db.query(query, params);
};
const findByURN = (urn) => {
const query = "SELECT * FROM learning_object WHERE urn=$1";
return db.query(query, [urn]);
};
const findAll = () => {
const query = "SELECT * FROM learning_object";
return db.query(query);
};
const update = (learningObject) => {
const query = "UPDATE learning_object SET timestamp = $2, data = $3 WHERE urn = $1" +
"RETURNING *"; // returns passed learningObject with it's id set to corresponding id in database
const params = [learningObject.urn, learningObject.timestamp, learningObject.data];
return db.query(query, params);
};
const removeByURN = (urn) => {
const query = "DELETE FROM learning_object WHERE urn=$1 RETURNING *";
return db.query(query, [urn]);
};
module.exports = {
insert,
findByURN,
findAll,
update,
removeByURN,
};
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