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Reduce duplication in src/categoryTools.js

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This commit is contained in:
Micheil Smith
2014-04-08 20:15:40 +01:00
parent 2c2e5de911
commit 5f6d5cd9a5
1 changed files with 32 additions and 48 deletions
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80
src/categoryTools.js
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@@ -4,9 +4,31 @@ var Groups = require('./groups'),
User = require('./user'),
async = require('async'),
db = require('./database'),
db = require('./database');
CategoryTools = {};
var internals = {
isMember: function(key, candidate, next){
Groups.exists(key, function(err, exists) {
if (exists) {
Groups.isMember(candidate, key, next);
} else {
next(null, null);
}
});
},
isMemberOfGroupList: function(key, candidate, next){
Groups.exists(key, function(err, exists) {
if (exists) {
Groups.isMemberOfGroupList(candidate, key, next);
} else {
next(null, null);
}
});
}
};
var CategoryTools = {};
CategoryTools.exists = function(cid, callback) {
db.isSortedSetMember('categories:cid', cid, callback);
@@ -15,44 +37,16 @@ CategoryTools.exists = function(cid, callback) {
CategoryTools.privileges = function(cid, uid, callback) {
async.parallel({
"+r": function(next) {
var key = 'cid:' + cid + ':privileges:+r';
Groups.exists(key, function(err, exists) {
if (exists) {
Groups.isMember(uid, key, next);
} else {
next(null, null);
}
});
internals.isMember('cid:' + cid + ':privileges:+r', uid, next);
},
"+w": function(next) {
var key = 'cid:' + cid + ':privileges:+w';
Groups.exists(key, function(err, exists) {
if (exists) {
Groups.isMember(uid, key, next);
} else {
next(null, null);
}
});
internals.isMember('cid:' + cid + ':privileges:+w', uid, next);
},
"g+r": function(next) {
var key = 'cid:' + cid + ':privileges:g+r';
Groups.exists(key, function(err, exists) {
if (exists) {
Groups.isMemberOfGroupList(uid, key, next);
} else {
next(null, null);
}
});
internals.isMemberOfGroupList('cid:' + cid + ':privileges:g+r', uid, next);
},
"g+w": function(next) {
var key = 'cid:' + cid + ':privileges:g+w';
Groups.exists(key, function(err, exists) {
if (exists) {
Groups.isMemberOfGroupList(uid, key, next);
} else {
next(null, null);
}
});
internals.isMemberOfGroupList('cid:' + cid + ':privileges:g+w', uid, next);
},
moderator: function(next) {
User.isModerator(uid, cid, next);
@@ -93,23 +87,13 @@ CategoryTools.privileges = function(cid, uid, callback) {
CategoryTools.groupPrivileges = function(cid, groupName, callback) {
async.parallel({
"g+r": function(next) {
var key = 'cid:' + cid + ':privileges:g+r';
Groups.exists(key, function(err, exists) {
if (exists) {
Groups.isMember(groupName, key, next);
} else {
next(null, false);
}
internals.isMember('cid:' + cid + ':privileges:g+r', groupName, function(err, isMember){
next(err, !!isMember);
});
},
"g+w": function(next) {
var key = 'cid:' + cid + ':privileges:g+w';
Groups.exists(key, function(err, exists) {
if (exists) {
Groups.isMember(groupName, key, next);
} else {
next(null, false);
}
internals.isMember('cid:' + cid + ':privileges:g+w', groupName, function(err, isMember){
next(err, !!isMember);
});
}
}, function(err, privileges) {