contracts/lib/contracts/contributor.js

82 lines
2.1 KiB
JavaScript

const ethers = require('ethers');
const RSVP = require('rsvp');
const ContributorSerializer = require('../serializers/contributor');
const Base = require('./base');
class Contributor extends Base {
all() {
return this.functions.contributorsCount()
.then((count) => {
count = count.toNumber();
let contributors = [];
for (let id = 1; id <= count; id++) {
contributors.push(this.getById(id));
}
return RSVP.all(contributors);
});
}
getById(id) {
id = ethers.utils.bigNumberify(id);
return this.functions.getContributorById(id)
.then((data) => {
// TODO: remove when naming updated on the contract
data.hashDigest = data.ipfsHash;
return data;
})
// Fetch IPFS data if available
.then((data) => {
return this.ipfs.catAndMerge(data, ContributorSerializer.deserialize);
});
}
filterByAccount(search) {
return this._byAccount(search, 'filter');
}
findByAccount(search) {
return this._byAccount(search, 'find');
}
_byAccount(search, method = 'filter') {
return this.all().then((contributors) => {
const searchEntries = Object.entries(search);
return contributors[method]((contributor) => {
if (!contributor.accounts) { return false; }
return contributor.accounts.find((account) => {
return searchEntries.every((item) => {
let [ key, value ] = item;
return account[key] === value;
});
});
});
});
}
add(contributorAttr, callOptions = {}) {
let json = ContributorSerializer.serialize(contributorAttr);
// TODO: validate against schema
return this.ipfs
.add(json)
.then((ipfsHashAttr) => {
let contributor = [
contributorAttr.account,
ipfsHashAttr.hashDigest,
ipfsHashAttr.hashFunction,
ipfsHashAttr.hashSize,
contributorAttr.isCore,
];
return this.functions.addContributor(...contributor, callOptions);
});
}
}
module.exports = Contributor;