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publish.js
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publish.js
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Meteor.publish("publishedNotes", function (sessionToken) {
var sessionUser = Auth.getUserBySessionToken(sessionToken);
var sessionUserID = sessionUser ? sessionUser._id : 0;
var notes;
if (sessionUser) {
notes = Notes.find({$or: [{is_private: false}, {$and: [{is_private: true}, {user_id: sessionUser._id}]}]});
} else {
notes = Notes.find({is_private: false});
}
this.publishModifiedCursor(notes, "notes", function (note) {
note.__is_owned_by_session_user = sessionUserID === note.user_id;
return note;
});
});
Meteor.publish("publishedUsers", function (sessionToken) {
var sessionUser = Auth.getUserBySessionToken(sessionToken);
var sessionUserID = sessionUser ? sessionUser._id : 0;
var users = Users.find({}, {fields: {username: false, password_hash: false}});
this.publishModifiedCursor(users, "users", function (user) {
user.__is_session_user = sessionUserID === user._id;
return user;
});
});
// Extension to Meteor to allow modifications to documents when publishing
_.extend(Meteor._LivedataSubscription.prototype, {
publishModifiedCursor: function (cursor, name, map_callback) {
var self = this;
var collection = name || cursor.collection_name;
var observe_handle = cursor.observe({
added: function (obj) {
obj = map_callback.call(self, obj);
self.set(collection, obj._id, obj);
self.flush();
},
changed: function (obj, old_idx, old_obj) {
var set = {};
obj = map_callback.call(self, obj);
_.each(obj, function (v, k) {
if (!_.isEqual(v, old_obj[k])) {
set[k] = v;
}
});
self.set(collection, obj._id, set);
var dead_keys = _.difference(_.keys(old_obj), _.keys(obj));
self.unset(collection, obj._id, dead_keys);
self.flush();
},
removed: function (old_obj, old_idx) {
self.unset(collection, old_obj._id, _.keys(old_obj));
self.flush();
}
});
self.complete();
self.flush();
self.onStop(_.bind(observe_handle.stop, observe_handle));
}
});