getComments: function(postId, start, count, cb) {
var key = commentListPrefix + postId;
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
if (!start) {
start = '+inf';
} else {
start = '(' + start;
}
client.zrevrangebyscore(key, start, 0, 'limit', 0, count, function(err, comments) {
if (err) {
cb(err);
} else {
var commentList = [];
for (var i = 0; i < comments.length; i++) {
var commentObj = JSON.parse(comments[i]);
commentList.push(commentObj);
}
cb(0, commentList);
}
});
});
},
getPostsByIds: function(postIds, cb) {
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
var multi = client.multi();
for (var i = 0; i < postIds.length; i++) {
var key = postPrefix + postIds[i];
multi.hgetall(key);
}
multi.exec(function(err, posts) {
var tmp = [];
for (var i = 0; i < posts.length; i++) {
if(posts[i]) {
posts[i].tags = JSON.parse(posts[i].tags);
posts[i].time = parseInt(posts[i].time);
posts[i].commentCount = parseInt(posts[i].commentCount);
posts[i].viewCount = parseInt(posts[i].viewCount);
tmp.push(posts[i]);
}
}
cb(err, tmp);
});
});
},
addPostToCateList: function(cate, postId, cb) {
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
client.zadd(postCateListPrefix + cate, parseInt(postId), postId, function(err) {
cb(err);
});
});
},
getPostCount: function(cb) {
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
client.zcard(postListKey, function(err, count) {
cb(err, count);
});
});
},
addPostIdToList: function(postId, cb) {
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
client.zadd(postListKey, parseInt(postId), postId, function(err) {
cb(err);
});
});
},
deleteComment: function(postId, commentId, cb) {
var key = commentListPrefix + postId;
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
client.zremrangebyscore(key, parseInt(commentId), parseInt(commentId), function(err) {
cb(err);
});
});
},
getCommentCount: function(postId, cb) {
var key = postPrefix + postId;
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
client.hget(key, 'commentCount', function(err, count) {
cb(err, count);
});
});
},
incVV: function(postId, count, cb) {
var key = postPrefix + postId;
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
client.hincrby(key, 'viewCount', count, function(err) {
cb(err);
});
});
},
addComment: function(postId, commentInfo, cb) {
var key = commentListPrefix + postId;
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
var valmap = blogDao.convertMap(commentInfo);
client.zadd(key, commentInfo.id, JSON.stringify(commentInfo), function(err) {
cb(err);
});
});
},
addPostById: function(postId, postInfo, cb) {
var key = postPrefix + postId;
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
var valmap = blogDao.convertMap(postInfo);
client.hmset(key, valmap, function(err) {
cb(err);
});
});
},
getPostIdList: function(start, count, cb) {
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
if (!start) {
start = '+inf';
} else {
start = '(' + start;
}
client.zrevrangebyscore(postListKey, start, 0, 'limit', 0, count, function(err, ids) {
cb(err, ids);
});
});
},
delPostIdFromCateList: function(cate, postId, cb) {
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
var zsetKey;
if(cate) {
zsetKey = postCateListPrefix + cate;
} else {
zsetKey = postListKey;
}
client.zrem(zsetKey, postId, function(err) {
cb(err);
});
});
},
delPostById: function(postId, cate, cb) {
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
client.del(postPrefix + postId, function(err1) {
client.zrem(postListKey, postId, function(err2) {
if(cate) {
client.zrem(postCateListPrefix + cate, postId, function(err3) {
cb(err1 || err2 || err3);
});
} else {
cb(err1 || err2);
}
});
});
});
},
getPostIdsByCate: function(cate, start, count, cb) {
redisFactory(rp.providerSettings.dao.redis, function(err, client) {
if (err) {
cb(err);
return;
}
if (!start) {
start = '+inf';
} else {
start = '(' + start;
}
var zsetKey;
if(cate) {
zsetKey = postCateListPrefix + cate;
} else {
zsetKey = postListKey;
}
client.zrevrangebyscore(zsetKey, start, 0, 'limit', 0, count, function(err, ids) {
cb(err, ids);
});
});
},