spee.ch/react/sagas/publish.js
2018-03-01 17:16:04 -08:00

57 lines
2.3 KiB
JavaScript

import { call, put, select, take, takeLatest } from 'redux-saga/effects';
import * as actions from 'constants/publish_action_types';
import * as publishStates from 'constants/publish_claim_states';
import { updateError, updatePublishStatus, clearFile } from 'actions/publish';
import { selectPublishState } from 'selectors/publish';
import { selectChannelState } from 'selectors/channel';
import { validateChannelSelection, validatePublishParams } from 'utils/validate';
import { createPublishMetadata, createPublishFormData } from 'utils/publish';
import { makePublishRequestChannel } from 'channels/publish';
function * publishFile (action) {
console.log('publishing file');
const { history } = action.data;
const { publishInChannel, selectedChannel, file, claim, metadata, error: { url: urlError } } = yield select(selectPublishState);
const { loggedInChannel } = yield select(selectChannelState);
// validate the channel selection
try {
validateChannelSelection(publishInChannel, selectedChannel, loggedInChannel);
} catch (error) {
return yield put(updateError('channel', error.message));
};
// validate publish parameters
try {
validatePublishParams(file, claim, urlError);
} catch (error) {
return yield put(updateError('publishSubmit', error.message));
}
// create metadata
const publishMetadata = createPublishMetadata(claim, file, metadata, publishInChannel, selectedChannel);
// create form data
const publishFormData = createPublishFormData(file, publishMetadata);
// make the publish request
const channel = yield call(makePublishRequestChannel, publishFormData);
while (true) {
const {loadStart, progress, load, success, error} = yield take(channel);
if (error) {
return yield put(updatePublishStatus(publishStates.FAILED, error.message));
}
if (success) {
yield put(clearFile());
return history.push(`/${success.data.claimId}/${success.data.name}`);
}
if (loadStart) {
yield put(updatePublishStatus(publishStates.LOAD_START, null));
}
if (progress) {
yield put(updatePublishStatus(publishStates.LOADING, `${progress}%`));
}
if (load) {
yield put(updatePublishStatus(publishStates.PUBLISHING, null));
}
}
};
export function * watchPublishStart () {
yield takeLatest(actions.PUBLISH_START, publishFile);
};