You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
nodebb/src/categories.js

298 lines
7.9 KiB
JavaScript

'use strict';
var async = require('async'),
nconf = require('nconf'),
db = require('./database'),
user = require('./user'),
Groups = require('./groups'),
plugins = require('./plugins'),
validator = require('validator'),
privileges = require('./privileges');
(function(Categories) {
require('./categories/create')(Categories);
require('./categories/delete')(Categories);
require('./categories/topics')(Categories);
require('./categories/unread')(Categories);
require('./categories/activeusers')(Categories);
require('./categories/recentreplies')(Categories);
require('./categories/update')(Categories);
Categories.exists = function(cid, callback) {
db.isSortedSetMember('categories:cid', cid, callback);
};
Categories.getCategoryById = function(data, callback) {
Categories.getCategories([data.cid], data.uid, function(err, categories) {
if (err || !Array.isArray(categories) || !categories[0]) {
return callback(err || new Error('[[error:invalid-cid]]'));
}
var category = categories[0];
if (parseInt(data.uid, 10)) {
Categories.markAsRead([data.cid], data.uid);
}
async.parallel({
topics: function(next) {
Categories.getCategoryTopics({
cid: data.cid,
set: data.set,
reverse: data.reverse,
start: data.start,
stop: data.end,
uid: data.uid
}, next);
},
pageCount: function(next) {
Categories.getPageCount(data.cid, data.uid, next);
},
isIgnored: function(next) {
Categories.isIgnored([data.cid], data.uid, next);
}
}, function(err, results) {
if(err) {
return callback(err);
}
category.topics = results.topics.topics;
category.nextStart = results.topics.nextStart;
category.pageCount = results.pageCount;
category.isIgnored = results.isIgnored[0];
category.topic_row_size = 'col-md-9';
callback(null, category);
});
});
};
Categories.isIgnored = function(cids, uid, callback) {
user.getIgnoredCategories(uid, function(err, ignoredCids) {
if (err) {
return callback(err);
}
cids = cids.map(function(cid) {
return ignoredCids.indexOf(cid.toString()) !== -1;
});
callback(null, cids);
});
};
Categories.getPageCount = function(cid, uid, callback) {
async.parallel({
topicCount: async.apply(Categories.getCategoryField, cid, 'topic_count'),
settings: async.apply(user.getSettings, uid)
}, function(err, results) {
if (err) {
return callback(err);
}
if (!parseInt(results.topicCount, 10)) {
return callback(null, 1);
}
callback(null, Math.ceil(parseInt(results.topicCount, 10) / results.settings.topicsPerPage));
});
};
Categories.getAllCategories = function(uid, callback) {
db.getSortedSetRange('categories:cid', 0, -1, function(err, cids) {
if (err || !Array.isArray(cids) || !cids.length) {
return callback(err, []);
}
Categories.getCategories(cids, uid, callback);
});
};
Categories.getCategoriesByPrivilege = function(uid, privilege, callback) {
async.waterfall([
function(next) {
db.getSortedSetRange('categories:cid', 0, -1, next);
},
function(cids, next) {
privileges.categories.filterCids(privilege, cids, uid, next);
},
function(cids, next) {
Categories.getCategories(cids, uid, next);
},
function(categories, next) {
categories = categories.filter(function(category) {
return !category.disabled;
});
next(null, categories);
}
], callback);
};
Categories.getModerators = function(cid, callback) {
Groups.getMembers('cid:' + cid + ':privileges:mods', 0, -1, function(err, uids) {
if (err || !Array.isArray(uids) || !uids.length) {
return callback(err, []);
}
user.getMultipleUserFields(uids, ['uid', 'username', 'userslug', 'picture'], callback);
});
};
Categories.getCategoryData = function(cid, callback) {
Categories.getCategoriesData([cid], function(err, categories) {
callback(err, categories ? categories[0] : null);
});
};
Categories.getCategoriesData = function(cids, callback) {
if (!Array.isArray(cids) || !cids.length) {
return callback(null, []);
}
var keys = cids.map(function(cid) {
return 'category:' + cid;
});
db.getObjects(keys, function(err, categories) {
if (err || !Array.isArray(categories) || !categories.length) {
return callback(err, []);
}
async.map(categories, modifyCategory, callback);
});
};
function modifyCategory(category, callback) {
if (!category) {
return callback(null, null);
}
category.name = validator.escape(category.name);
category.disabled = parseInt(category.disabled, 10) === 1;
category.icon = category.icon || 'hidden';
if (category.hasOwnProperty('post_count')) {
category.post_count = category.post_count || 0;
}
if (category.description) {
category.description = validator.escape(category.description);
}
if (category.image) {
category.backgroundImage = category.image;
}
callback(null, category);
}
Categories.getCategoryField = function(cid, field, callback) {
db.getObjectField('category:' + cid, field, callback);
};
Categories.getMultipleCategoryFields = function(cids, fields, callback) {
if (!Array.isArray(cids) || !cids.length) {
return callback(null, []);
}
var keys = cids.map(function(cid) {
return 'category:' + cid;
});
db.getObjectsFields(keys, fields, function(err, categories) {
if (err) {
return callback(err);
}
async.map(categories, modifyCategory, callback);
});
};
Categories.getCategoryFields = function(cid, fields, callback) {
db.getObjectFields('category:' + cid, fields, callback);
};
Categories.setCategoryField = function(cid, field, value, callback) {
db.setObjectField('category:' + cid, field, value, callback);
};
Categories.incrementCategoryFieldBy = function(cid, field, value, callback) {
db.incrObjectFieldBy('category:' + cid, field, value, callback);
};
Categories.getCategories = function(cids, uid, callback) {
if (!Array.isArray(cids)) {
return callback(new Error('[[error:invalid-cid]]'));
}
if (!cids.length) {
return callback(null, []);
}
async.parallel({
categories: function(next) {
Categories.getCategoriesData(cids, next);
},
children: function(next) {
Categories.getChildren(cids, uid, next);
},
parents: function(next) {
Categories.getParents(cids, next);
},
hasRead: function(next) {
Categories.hasReadCategories(cids, uid, next);
}
}, function(err, results) {
if (err) {
return callback(err);
}
var categories = results.categories;
var hasRead = results.hasRead;
uid = parseInt(uid, 10);
for(var i=0; i<results.categories.length; ++i) {
if (categories[i]) {
categories[i]['unread-class'] = (parseInt(categories[i].topic_count, 10) === 0 || (hasRead[i] && uid !== 0)) ? '' : 'unread';
categories[i].children = results.children[i];
categories[i].parent = results.parents[i] && !results.parents[i].disabled ? results.parents[i] : null;
}
}
callback(null, categories);
});
};
Categories.getParents = function(cids, callback) {
Categories.getMultipleCategoryFields(cids, ['parentCid'], function(err, data) {
if (err) {
return callback(err);
}
var parentCids = data.map(function(category) {
return category && category.parentCid;
});
Categories.getCategoriesData(parentCids, callback);
});
};
Categories.getChildren = function(cids, uid, callback) {
async.waterfall([
async.apply(db.getSortedSetRange, 'categories:cid', 0, -1),
function(cids, next) {
privileges.categories.filterCids('find', cids, uid, next);
},
function (cids, next) {
Categories.getCategoriesData(cids, next);
},
function (categories, next) {
// Filter categories to isolate children, and remove disabled categories
async.map(cids, function(cid, next) {
next(null, categories.filter(function(category) {
return category && parseInt(category.parentCid, 10) === parseInt(cid, 10) && !category.disabled;
}));
}, next);
}
], callback);
};
}(exports));