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3 | var async = require('async');
var p = require('path');
var webshot = require('webshot');
/**
* class Baker
*
* @param {Object} eggtart: Eggtart instance to bake
*/
function Baker(eggtart) {
this.eggtart = eggtart;
}
/**
* Delete all posts with at least a tag in the specified array of tags.
*
* @param {Array} tags: Tags which posts are to be deleted
* @param {Function} cb: standard cb(err, result) callback
*/
Baker.prototype.delete = function (tags, cb) {
var self = this;
function postCb(post, cb) {
var url = post.$.href;
console.log('%s - Deleted %s', 'success'.green, url);
self.eggtart.posts().delete({ url: url }, cb);
}
this._iterPostsByTags(tags, postCb, cb);
};
/**
* Take screenshot of all posts with at least a tag in the specified array of tags.
* Each post will generate a screenshot file in PNG format.
*
* @param {Array} tags: Tags which posts are to be captured in a screenshot file
* @param {Function} cb: standard cb(err, result) callback
*/
Baker.prototype.screenshot = function (tags, cb) {
function postCb(post, cb) {
var url = post.$.href;
var title = post.$.description;
var file = p.join(post._tag + '-' + title.replace(/\W/g, '') + '.png');
webshot(url, file, { shotSize: { width: 'all', height: 'all' } }, function (err) {
if (err) {
console.error('%s - %s while creating %s', 'error'.red, err.message, file);
} else {
console.log('%s - Created %s', 'success'.green, file);
}
// don't pass error here, when an error occurs then simply log it but proceed with the rest of the bookmarks
cb();
});
}
this._iterPostsByTags(tags, postCb, cb);
};
// iterate through all posts within the specified tags
Baker.prototype._iterPostsByTags = function (tags, postCb, cb) {
var self = this;
function iterPosts(tag, cb) {
console.log('* tag: %s', tag.cyan);
self.eggtart.posts().recent({ tag: tag }, function (err, result) {
if (err) {
cb(err);
} else if (result.posts) {
result.posts.post.forEach(function (item) {
item._tag = tag;
});
async.each(result.posts.post, postCb, cb);
} else {
console.log('%s - %s', 'warn'.yellow, 'No bookmark found');
cb(err, result);
}
});
}
async.eachSeries(tags, iterPosts, cb);
};
module.exports = Baker; |