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abstracting link operations for propagation

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This commit is contained in:
Kaushik Narayan R 2025-01-09 09:46:00 -07:00
parent 317c03b1a2
commit d6070b4038
1 changed files with 66 additions and 45 deletions
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111
controllers/operations.js
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@ -309,7 +309,7 @@ const createLink = async (req, res) => {
* Remove link between playlists
* @param {typedefs.Req} req
* @param {typedefs.Res} res
*/
*/
const removeLink = async (req, res) => {
try {
const uID = req.session.user.id;
@ -389,45 +389,12 @@ const removeLink = async (req, res) => {
*
* @param {typedefs.Req} req
* @param {typedefs.Res} res
* @param {{from: typedefs.URIObject, to: typedefs.URIObject}} link
* @returns {Promise<{toAddNum: number, localNum: number} | undefined>}
*/
const populateSingleLink = async (req, res) => {
const _populateSingleLinkCore = async (req, res, link) => {
try {
let fromPl, toPl;
const link = { from: req.body.from, to: req.body.to };
const uID = req.session.user.id;
try {
fromPl = parseSpotifyLink(link.from);
toPl = parseSpotifyLink(link.to);
if (fromPl.type !== "playlist" || toPl.type !== "playlist") {
res.status(400).send({ message: "Link is not a playlist" });
logger.info("non-playlist link provided", link);
return;
}
} catch (error) {
res.status(400).send({ message: "Could not parse link" });
logger.warn("parseSpotifyLink", { error });
return;
}
// check if exists
const existingLink = await Links.findOne({
where: {
[Op.and]: [
{ userID: uID },
{ from: fromPl.id },
{ to: toPl.id }
]
}
});
if (!existingLink) {
res.status(409).send({ message: "Link does not exist!" });
logger.warn("link does not exist", { link });
return;
}
if (!await checkPlaylistEditable(req, res, fromPl.id, uID))
return;
const fromPl = link.from, toPl = link.to;
let initialFields = ["tracks(next,items(is_local,track(uri)))"];
let mainFields = ["next", "items(is_local,track(uri))"];
@ -449,7 +416,6 @@ const populateSingleLink = async (req, res) => {
}
});
// keep getting batches of 50 till exhausted
while (fromPlaylist.next) {
const nextData = await getPlaylistDetailsNextPage(req, res, fromPlaylist.next);
@ -521,13 +487,67 @@ const populateSingleLink = async (req, res) => {
if (res.headersSent) return;
}
let logMsg;
logMsg = toAddNum > 0 ? "Added " + toAddNum + " tracks" : "No tracks to add";
logMsg += localNum > 0 ? ", but could not add " + localNum + " local files" : ".";
res.status(200).send({ message: logMsg });
logger.debug(logMsg);
return { toAddNum, localNum };
} catch (error) {
res.status(500).send({ message: "Internal Server Error" });
logger.error("_populateSingleLinkCore", { error });
return;
}
}
/**
* @param {typedefs.Req} req
* @param {typedefs.Res} res
*/
const populateSingleLink = async (req, res) => {
try {
const uID = req.session.user.id;
const link = { from: req.body.from, to: req.body.to };
let fromPl, toPl;
try {
fromPl = parseSpotifyLink(link.from);
toPl = parseSpotifyLink(link.to);
if (fromPl.type !== "playlist" || toPl.type !== "playlist") {
res.status(400).send({ message: "Link is not a playlist" });
logger.info("non-playlist link provided", link);
return;
}
} catch (error) {
res.status(400).send({ message: "Could not parse link" });
logger.warn("parseSpotifyLink", { error });
return;
}
// check if exists
const existingLink = await Links.findOne({
where: {
[Op.and]: [
{ userID: uID },
{ from: fromPl.id },
{ to: toPl.id }
]
}
});
if (!existingLink) {
res.status(409).send({ message: "Link does not exist!" });
logger.warn("link does not exist", { link });
return;
}
if (!await checkPlaylistEditable(req, res, fromPl.id, uID))
return;
const result = await _populateSingleLinkCore(req, res, { from: fromPl, to: toPl });
if (result) {
let logMsg;
logMsg = result.toAddNum > 0 ? "Added " + result.toAddNum + " tracks" : "No tracks to add";
logMsg += result.localNum > 0 ? ", but could not add " + result.localNum + " local files" : ".";
res.status(200).send({ message: logMsg });
logger.debug(logMsg);
return;
}
} catch (error) {
res.status(500).send({ message: "Internal Server Error" });
logger.error("populateSingleLink", { error });
@ -705,5 +725,6 @@ module.exports = {
createLink,
removeLink,
populateSingleLink,
populateLinksPropagate,
pruneSingleLink,
};