spee.ch/controllers/publishController.js
2017-08-02 17:13:02 -07:00

116 lines
3.7 KiB
JavaScript

const logger = require('winston');
const db = require('../models');
const lbryApi = require('../helpers/lbryApi.js');
const publishHelpers = require('../helpers/publishHelpers.js');
function upsert (Model, values, condition) {
return Model
.findOne({ where: condition })
.then(function (obj) {
if (obj) { // update
logger.silly(`updating ${values.name}:${values.claimId} in File db`);
return obj.update(values);
} else { // insert
logger.silly(`creating ${values.name}:${values.claimId} in File db`);
return Model.create(values);
}
}).catch(function (error) {
logger.error('Sequelize findOne error', error);
});
}
function checkNameAvailability (name) {
const deferred = new Promise((resolve, reject) => {
// find any records where the name is used
db.File
.findAll({ where: { name } })
.then(result => {
if (result.length >= 1) {
// filter out any results that were not published from a spee.ch wallet address
lbryApi
.getWalletList()
.then((walletList) => {
const filteredResult = result.filter((claim) => {
return walletList.includes(claim.address);
});
if (filteredResult.length >= 1) {
resolve(false);
} else {
resolve(true);
}
})
.catch((error) => {
reject(error);
});
} else {
resolve(true);
}
})
.catch(error => {
reject(error);
});
});
return deferred;
};
module.exports = {
publish (publishParams, fileName, fileType) {
const deferred = new Promise((resolve, reject) => {
// 1. make sure the name is available
checkNameAvailability(publishParams.name)
.then(result => {
if (result === true) {
// 2. publish the file
lbryApi
.publishClaim(publishParams)
.then(result => {
logger.info(`Successfully published ${fileName}`, result);
// 3. update old record or create new one (update is in case the claim has been published before by this daemon)
upsert(
db.File,
{
name : publishParams.name,
claimId : result.claim_id,
address : publishParams.claim_address,
outpoint: `${result.txid}:${result.nout}`,
height : 0,
fileName,
filePath: publishParams.file_path,
fileType,
nsfw : publishParams.metadata.nsfw,
},
{
name : publishParams.name,
claimId: result.claim_id,
}
).then(() => {
// resolve the promise with the result from lbryApi.publishClaim;
resolve(result);
})
.catch(error => {
logger.error('Sequelize findOne error', error);
// reject the promise
reject(error);
});
})
.catch(error => {
// delete the local file
publishHelpers.deleteTemporaryFile(publishParams.file_path);
// reject the promise
reject(error);
});
} else {
const err = new Error('That name has already been claimed by spee.ch. Please choose a new claim name.');
reject(err);
}
})
.catch(error => {
reject(error);
});
});
return deferred;
},
checkNameAvailability (name) {
return checkNameAvailability(name);
},
};