`;
document.querySelector('div.lister-search').insertAdjacentHTML('afterend', uiHTML);
const innerIDs = [
'film-list',
'start',
'skip',
'retry',
'films-remaining',
'current-film',
'regexp',
'matches-only',
'import',
'import-sel',
'file-import',
];
const camelCase = s => s.replace(/-[a-z]/g, m => m[1].toUpperCase());
// Main object for interacting with the script's UI; keys match element ids
const ui = Object.assign(...innerIDs.map(id => ({
[camelCase(id)]: document.getElementById(`ilh-${id}`),
})));
[ui.radioList, ui.radioRatings] = document.querySelectorAll('#ilh-ui input[name=importmode]');
const elIMDbSearch = document.getElementById('add-to-list-search');
const elIMDbResults = document.getElementById('add-to-list-search-results');
// ----- HANDLERS AND ACTIONS -----
const convertRating = n => Math.ceil(n / 10) || 1; // 0..100 -> 1..10
// d3 skips a row if a row conversion function returns null
const joinOrSkip = (...fields) => (fields.includes(undefined) ? null : fields.join(','));
const rowConverters = {
imdb: row => joinOrSkip(row['Your Rating'], row.Const),
rym: row => joinOrSkip(row.Rating, row.Title),
// .csv exported from Criticker have spaces between column names
criticker: row => joinOrSkip(convertRating(+row.Score), row[' IMDB ID']),
};
const prepareImport = e => {
const isLegalParser = Boolean(rowConverters[e.target.value]); // in case of html-js mismatch
ui.fileImport.disabled = !isLegalParser;
};
const handleImport = e => {
const format = ui.importSel.value;
const reader = new FileReader();
reader.onload = event => {
const fileStr = event.target.result;
ui.filmList.value = d3.csvParse(fileStr, rowConverters[format]).join('\n');
};
const [file] = e.target.files;
reader.readAsText(file);
};
const RatingManager = {
rating: 0,
regex: '^([1-9]|10),(.*)$',
processRegexMatch: ([, rating, filmTitle], callback) => {
RatingManager.rating = rating;
callback(filmTitle);
},
handleSelection: async (imdbID, callback) => {
console.log(`RatingManager::handleSelection: Rating ${imdbID}`);
const moviePage = await fetch(
`http://www.imdb.com/title/${imdbID}/`,
{ credentials: 'same-origin' },
);
const authHash = new DOMParser()
.parseFromString(await moviePage.text(), 'text/html')
.getElementById('star-rating-widget')
.dataset.auth;
const params = {
tconst: imdbID,
rating: RatingManager.rating,
auth: authHash,
tracking_tag: 'list',
};
const postResp = await fetch('http://www.imdb.com/ratings/_ajax/title', {
method: 'POST',
body: new URLSearchParams(params),
credentials: 'same-origin',
});
if (postResp.ok) {
callback();
} else {
alert(`Rating failed. Status code ${postResp.status}`);
}
},
};
const ListManager = {
regex: '((?:tt|nm)\\d+)',
processRegexMatch: ([, filmTitle], callback) => callback(filmTitle),
handleSelection: (imdbID, callback) => callback(),
};
const App = {
manager: ListManager,
films: [],
regexObj: null,
run: () => {
ui.regexp.value = App.manager.regex;
ui.importSel.addEventListener('change', prepareImport);
ui.fileImport.addEventListener('change', handleImport);
ui.radioList.addEventListener('change', () => {
App.manager = ListManager;
ui.import.style.display = 'none';
ui.regexp.value = App.manager.regex;
});
ui.radioRatings.addEventListener('change', () => {
App.manager = RatingManager;
ui.import.style.display = 'block';
ui.regexp.value = App.manager.regex;
});
// When start button is clicked
ui.start.addEventListener('click', () => {
App.regexObj = RegExp(ui.regexp.value || App.manager.regex, 'i');
// Disable relevant UI elements
[ui.filmList, ui.start, ui.regexp, ui.radioList, ui.radioRatings]
.forEach(el => { el.disabled = true; });
App.films = ui.filmList.value.trim().split('\n');
App.handleNext();
});
// when skip button is clicked
ui.skip.addEventListener('click', () => App.handleNext());
// Sometimes the request fails forcing the user to skip an entry to continue
ui.retry.addEventListener('click', () => {
elIMDbSearch.dispatchEvent(new Event('keydown'));
});
},
handleNext: () => {
if (App.films.length) {
App.search(App.films.shift());
} else { // if last film
App.reset();
}
},
reset: () => {
App.films = [];
App.regexObj = null;
[ui.filmList, ui.start, ui.regexp, ui.radioList, ui.radioRatings]
.forEach(el => { el.disabled = false; });
ui.currentFilm.value = '';
elIMDbSearch.value = '';
},
search: filmTitle => {
// Remove unnecessary whitespace
filmTitle = filmTitle.trim();
// Set current text to what we're searching
ui.currentFilm.value = filmTitle;
// Remove the first title from the text box and set the remaining number
ui.filmsRemaining.textContent = App.films.length;
ui.filmList.value = App.films.join('\n');
// Run regex if it matches and let the manager process the result.
// Otherwise, if "matches only" is unchecked,
// try searching for the whole line (if it's not empty) before skipping it.
const result = App.regexObj.exec(filmTitle) ||
// eslint-disable-next-line no-sparse-arrays
(!ui.matchesOnly.checked && filmTitle && [, filmTitle]);
if (result) {
App.manager.processRegexMatch(result, filmTitle2 => {
// Set imdb search input field to film title and trigger search
elIMDbSearch.value = filmTitle2;
elIMDbSearch.dispatchEvent(new Event('keydown'));
});
} else {
App.handleNext();
}
},
};
// Handle clicks on search results by a user or the script
elIMDbResults.addEventListener('click', e => {
const imdbID = e.target.closest('a').dataset.const;
if (!imdbID || !imdbID.startsWith('tt')) return;
App.manager.handleSelection(imdbID, () => {
setTimeout(() => App.handleNext(), REQUEST_DELAY);
});
});
// Monitor for changes to the search result box.
// If the search was for IMDb URL/ID, the only result is clicked automatically
const mut = new MutationObserver(mutList => mutList.forEach(({ addedNodes }) => {
if (!addedNodes.length || !/(nm|tt)\d{7}/i.test(ui.currentFilm.value)) return;
addedNodes[0].click();
}));
mut.observe(elIMDbResults, { childList: true });
App.run();