weseek__growi/lib/models/comment.js

module.exports = function(crowi) {
  var debug = require('debug')('crowi:models:comment')
    , mongoose = require('mongoose')
    , ObjectId = mongoose.Schema.Types.ObjectId
  ;

  commentSchema = new mongoose.Schema({
    page: { type: ObjectId, ref: 'Page', index: true },
    creator: { type: ObjectId, ref: 'User', index: true  },
    revision: { type: ObjectId, ref: 'Revision', index: true },
    comment: { type: String, required: true },
    commentPosition: { type: Number, default: -1 },
    createdAt: { type: Date, default: Date.now }
  });

  commentSchema.statics.create = function(pageId, creatorId, revisionId, comment, position) {
    var Comment = this,
      commentPosition = position || -1;


    return new Promise(function(resolve, reject) {
      var newComment = new Comment();

      newComment.page = pageId;
      newComment.creator = creatorId;
      newComment.revision = revisionId;
      newComment.comment = comment;
      newComment.commentPosition = position;

      newComment.save(function(err, data) {
        if (err) {
          debug('Error on saving comment.', err);
          return reject(err);
        }
        debug('Comment saved.', data);
        return resolve(data);
      });
    });
  };

  commentSchema.statics.getCommentsByPageId = function(id) {
    var self = this;

    return new Promise(function(resolve, reject) {
      self
        .find({page: id})
        .sort({'createdAt': -1})
        .populate('creator')
        .exec(function(err, data) {
          if (err) {
            return reject(err);
          }

          if (data.length < 1) {
            return resolve([]);
          }

          debug('Comment loaded', data);
          return resolve(data);
        });
    });
  };

  commentSchema.statics.getCommentsByRevisionId = function(id) {
    var self = this;

    return new Promise(function(resolve, reject) {
      self
        .find({revision: id})
        .sort({'createdAt': -1})
        .populate('creator')
        .exec(function(err, data) {
          if (err) {
            return reject(err);
          }

          if (data.length < 1) {
            return resolve([]);
          }

          debug('Comment loaded', data);
          return resolve(data);
        });
    });
  };

  return mongoose.model('Comment', commentSchema);
};