Nemcio/NodeBB
1
0
Fork 0
mirror of https://github.com/NodeBB/NodeBB.git synced 2025-11-16 10:46:14 +01:00
Code Issues Packages Projects Releases Wiki Activity

check keys

Browse Source
This commit is contained in:
barisusakli
2014-09-21 13:30:20 -04:00
parent 0914004e12
commit 5f2a66295c
6 changed files with 184 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
src/database/mongo/hash.js
View File

@@ -7,6 +7,9 @@ module.exports = function(db, module) {
module.setObject = function(key, data, callback) {
callback = callback || helpers.noop;
if (!key) {
return callback();
}
data._key = key;
db.collection('objects').update({_key:key}, {$set:data}, {upsert:true, w: 1}, function(err) {
callback(err);
@@ -21,10 +24,16 @@ module.exports = function(db, module) {
};
module.getObject = function(key, callback) {
db.collection('objects').findOne({_key:key}, {_id:0, _key:0}, callback);
if (!key) {
return callback();
}
db.collection('objects').findOne({_key: key}, {_id:0, _key:0}, callback);
};
module.getObjects = function(keys, callback) {
if (!Array.isArray(keys) || !keys.length) {
return callback();
}
db.collection('objects').find({_key: {$in: keys}}, {_id: 0}).toArray(function(err, data) {
if(err) {
return callback(err);
@@ -42,19 +51,52 @@ module.exports = function(db, module) {
};
module.getObjectField = function(key, field, callback) {
if (!key) {
return callback();
}
field = helpers.fieldToString(field);
module.getObjectFields(key, [field], function(err, data) {
callback(err, data ? data[field] : null);
var _fields = {
_id: 0
};
_fields[field] = 1;
db.collection('objects').findOne({_key: key}, _fields, function(err, item) {
if (err || !item) {
return callback(err, null);
}
callback(null, item[field] || null);
});
};
module.getObjectFields = function(key, fields, callback) {
module.getObjectsFields([key], fields, function(err, items) {
callback(err, items ? items[0] : null);
if (!key) {
return callback();
}
var _fields = {
_id: 0
};
for(var i=0; i<fields.length; ++i) {
fields[i] = helpers.fieldToString(fields[i]);
_fields[fields[i]] = 1;
}
db.collection('objects').findOne({_key: key}, _fields, function(err, item) {
if (err) {
return callback(err);
}
item = item || {};
var result = {};
for(i=0; i<fields.length; ++i) {
result[fields[i]] = item[fields[i]] || null;
}
callback(null, result);
});
};
module.getObjectsFields = function(keys, fields, callback) {
if (!Array.isArray(keys) || !keys.length) {
return callback(null, []);
}
var _fields = {
_id: 0,
_key: 1
@@ -80,10 +122,10 @@ module.exports = function(db, module) {
item;
for (var i=0; i<keys.length; ++i) {
var item = map[keys[i]] || {};
item = map[keys[i]] || {};
for (var k=0; k<fields.length; ++k) {
if (item[fields[k]] === null || item[fields[k]] === undefined) {
if (item[fields[k]] === undefined) {
item[fields[k]] = null;
}
}
@@ -117,20 +159,26 @@ module.exports = function(db, module) {
};
module.isObjectField = function(key, field, callback) {
if (!key) {
return callback();
}
var data = {};
field = helpers.fieldToString(field);
data[field] = '';
db.collection('objects').findOne({_key:key}, {fields:data}, function(err, item) {
db.collection('objects').findOne({_key: key}, {fields: data}, function(err, item) {
callback(err, !!item && item[field] !== undefined && item[field] !== null);
});
};
module.deleteObjectField = function(key, field, callback) {
callback = callback || helpers.noop;
if (!key) {
return callback();
}
var data = {};
field = helpers.fieldToString(field);
data[field] = '';
db.collection('objects').update({_key:key}, {$unset : data}, callback);
db.collection('objects').update({_key: key}, {$unset : data}, callback);
};
module.incrObjectField = function(key, field, callback) {
@@ -142,12 +190,15 @@ module.exports = function(db, module) {
};
module.incrObjectFieldBy = function(key, field, value, callback) {
callback = callback || function() {};
callback = callback || helpers.noop;
if (!key) {
return callback();
}
var data = {};
field = helpers.fieldToString(field);
data[field] = value;
db.collection('objects').findAndModify({_key:key}, {}, {$inc: data}, {new:true, upsert:true}, function(err, result) {
db.collection('objects').findAndModify({_key: key}, {}, {$inc: data}, {new:true, upsert:true}, function(err, result) {
callback(err, result ? result[field] : null);
});
};