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loaddata.js
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loaddata.js
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/*
* Copyright 2013 Apereo Foundation (AF) Licensed under the
* Educational Community License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.osedu.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an "AS IS"
* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
var argv = require('optimist')
.usage('Usage: $0 -b 9 [-s 0] [-h "http://localhost:8080"] [-p admin] [-c 1]')
.demand('b')
.alias('b', 'end-batch')
.describe('b', 'The last batch to load (exclusive, so "-s 0 -b 1" will only load the 0th batch)')
.alias('s', 'start')
.describe('s', 'The batch to start at (0-based, so the first batch is "0")')
.default('s', 0)
.alias('h', 'server-url')
.describe('h', 'Server URL')
.default('h', 'http://localhost:8080')
.alias('p', 'admin-pw')
.describe('p', 'Admin Password')
.default('p', 'admin')
.alias('c', 'concurrent-batches')
.describe('c', 'Number of concurrent batches')
.default('c', 1)
.argv;
var _ = require('underscore');
var general = require('./api/general.js');
var userAPI = require('./api/user.dataload.js');
var groupAPI = require('./api/group.dataload.js');
var folderAPI = require('./api/folder.dataload.js');
var contentAPI = require('./api/content.dataload.js');
var discussionsAPI = require('./api/discussion.dataload.js');
//////////////////////////////////////
// OVERALL CONFIGURATION PARAMETERS //
//////////////////////////////////////
var SCRIPT_FOLDER = 'scripts';
var BATCHES = argv['end-batch'];
var SERVER_URL = argv['server-url'];
var ADMIN_PASSWORD = argv['admin-pw'];
var CONCURRENT_BATCHES = argv['concurrent-batches'];
//////////////////////
// CLEAN PARAMETERS //
//////////////////////
// clear trailing slashes from server url
SERVER_URL = SERVER_URL.replace(/^(.*?)\/+$/, '$1');
////////////////////
// KICK OFF BATCH //
////////////////////
var currentBatch = argv.start - 1;
var batches = [];
// holds the mappings of local ids to server-generated ids
var idMappings = {
'users': {},
'groups': {},
'folders': {},
'content': {},
'discussions': {}
};
console.time("Finished running data loader");
var loadNextBatch = function() {
currentBatch++;
idMappings['users'][currentBatch] = {};
idMappings['groups'][currentBatch] = {};
idMappings['folders'][currentBatch] = {};
idMappings['content'][currentBatch] = {};
idMappings['discussions'][currentBatch] = {};
if (currentBatch < BATCHES) {
console.log('Loading Batch ' + currentBatch);
// Load the data from the model
var users = general.loadJSONFileIntoObject('./scripts/users/' + currentBatch + '.txt');
var groups = general.loadJSONFileIntoObject('./scripts/groups/' + currentBatch + '.txt');
var folders = general.loadJSONFileIntoObject('./scripts/folders/' + currentBatch + '.txt');
var content = general.loadJSONFileIntoObject('./scripts/content/' + currentBatch + '.txt');
var discussions = general.loadJSONFileIntoObject('./scripts/discussions/' + currentBatch + '.txt');
batches.push({
'users': users,
'groups': groups,
'folders': folders,
'content': content,
'discussions': discussions
});
loadUsers(users, groups, content, discussions, folders, currentBatch);
} else {
finishedAllBatches();
}
};
var finishBatch = function(currentBatch) {
console.log('Finished Loading Batch ' + currentBatch);
console.log('=================================');
loadNextBatch();
};
var finishedAllBatches = function() {
console.timeEnd('Loading Batches');
console.log('*****************************');
if (general.errors.length) {
console.log('Error details:');
console.log(general.errors);
}
console.log('Requests made: ' + general.requests);
console.log('Request errors: ' + general.errors.length);
console.log('Finished generating ' + BATCHES + ' batches');
console.timeEnd("Finished running data loader");
console.log('*****************************');
};
///////////
// USERS //
///////////
var loadUsers = function(users, groups, content, discussions, folders, currentBatch) {
var currentUser = -1;
var usersToLoad = _.values(users);
var loadNextUser = function() {
currentUser++;
if (currentUser < usersToLoad.length) {
var nextUser = usersToLoad[currentUser];
userAPI.loadUser(nextUser, SERVER_URL, function() {
if (!nextUser.originalid || !nextUser.generatedid) {
console.log(' Warning: User "%s" was not assigned a generated id.', nextUser.id);
} else {
idMappings['users'][currentBatch][nextUser.originalid] = {
id: nextUser.originalid,
generatedId: nextUser.generatedid
};
}
loadNextUser();
});
if (currentUser % 10 === 0) {
console.log(' ' + new Date().toUTCString() + ': Finished Loading User ' + currentUser + ' of ' + usersToLoad.length);
}
} else {
general.writeObjectToFile('./scripts/generatedIds/users-' + currentBatch + '.txt', idMappings['users'][currentBatch]);
console.log(' ' + new Date().toUTCString() + ': Finished Loading ' + usersToLoad.length + ' Users');
return loadFollowing(users, groups, content, discussions, folders, currentBatch);
}
};
loadNextUser();
};
var loadFollowing = function(users, groups, content, discussions, folders, currentBatch) {
var currentUser = -1;
var usersFollowingToLoad = _.values(users);
var loadNextUserFollowing = function() {
currentUser++;
if (currentUser % 10 === 0) {
console.log(' ' + new Date().toUTCString() + ': Finished Loading Follower ' + currentUser + ' of ' + usersFollowingToLoad.length);
}
if (currentUser >= usersFollowingToLoad.length) {
console.log(' ' + new Date().toUTCString() + ': Finished Loading Followers for ' + usersFollowingToLoad.length + ' Users');
return loadGroups(users, groups, content, discussions, folders, currentBatch);
}
userAPI.loadFollowing(usersFollowingToLoad[currentUser], users, SERVER_URL, loadNextUserFollowing);
};
loadNextUserFollowing();
};
////////////
// GROUPS //
////////////
var loadGroups = function(users, groups, content, discussions, folders, currentBatch) {
var currentGroup = -1;
var groupsToLoad = _.values(groups);
var loadNextGroup = function() {
currentGroup++;
if (currentGroup < groupsToLoad.length) {
var nextGroup = groupsToLoad[currentGroup];
// convert all group membership ids to the generated user ids
for (var role in nextGroup.roles) {
nextGroup.roles[role].users = _.map(nextGroup.roles[role].users, function(originalUserId) {
if (idMappings['users'][currentBatch][originalUserId]) {
return idMappings['users'][currentBatch][originalUserId].generatedId;
} else {
console.log(' Warning: Could not map group membership for user "%s"', originalUserId);
return originalUserId;
}
});
}
groupAPI.loadGroup(nextGroup, users, SERVER_URL, function() {
if (!nextGroup.originalid || !nextGroup.generatedid) {
console.log(' Warning: User "%s" was not assigned a generated id.', nextGroup.id);
} else {
idMappings['groups'][currentBatch][nextGroup.originalid] = {
id: nextGroup.originalid,
generatedId: nextGroup.generatedid
};
}
loadNextGroup();
});
if (currentGroup % 10 === 0) {
console.log(' ' + new Date().toUTCString() + ': Finished Loading Group ' + currentGroup + ' of ' + groupsToLoad.length);
}
} else {
general.writeObjectToFile('./scripts/generatedIds/groups-' + currentBatch + '.txt', idMappings['groups'][currentBatch]);
console.log(' ' + new Date().toUTCString() + ': Finished Loading ' + groupsToLoad.length + ' Groups');
loadGroupMemberships(users, groups, content, discussions, folders, currentBatch);
}
};
loadNextGroup();
};
var loadGroupMemberships = function(users, groups, content, discussions, folders, currentBatch) {
var currentGroupMembership = -1;
var groupsToLoad = _.values(groups);
var loadNextGroupMembership = function() {
currentGroupMembership++;
if (currentGroupMembership < groupsToLoad.length) {
var nextGroup = groupsToLoad[currentGroupMembership];
// Map the original group ids to the generated group ids
nextGroup.roles.member.groups = _.map(nextGroup.roles.member.groups, function(originalGroupId) {
return idMappings['groups'][currentBatch][originalGroupId].generatedId;
});
nextGroup.roles.manager.groups = _.map(nextGroup.roles.manager.groups, function(originalGroupId) {
return idMappings['groups'][currentBatch][originalGroupId].generatedId;
});
groupAPI.loadGroupMembership(nextGroup, users, SERVER_URL, loadNextGroupMembership);
if (currentGroupMembership % 10 === 0) {
console.log(' ' + new Date().toUTCString() + ': Finished Loading Group Memberships ' + currentGroupMembership + ' of ' + groupsToLoad.length);
}
} else {
console.log(' ' + new Date().toUTCString() + ': Finished Loading ' + groupsToLoad.length + 'Group Memberships');
loadContent(users, groups, content, discussions, folders, currentBatch);
}
};
loadNextGroupMembership();
};
/////////////
// CONTENT //
/////////////
var loadContent = function(users, groups, content, discussions, folders, currentBatch) {
var currentContent = -1;
var contentToLoad = _.values(content);
var loadNextContent = function() {
currentContent++;
if (currentContent < contentToLoad.length) {
var nextContent = contentToLoad[currentContent];
// convert all content membership ids to the generated user ids
for (var role in nextContent.roles) {
nextContent.roles[role].users = _.map(nextContent.roles[role].users, function(originalUserId) {
if (idMappings['users'][currentBatch][originalUserId]) {
return idMappings['users'][currentBatch][originalUserId].generatedId;
} else {
console.log(' Warning: Could not map content membership for user "%s"', originalUserId);
return originalUserId;
}
});
nextContent.roles[role].groups = _.map(nextContent.roles[role].groups, function(originalGroupId) {
if (idMappings['groups'][currentBatch][originalGroupId]) {
return idMappings['groups'][currentBatch][originalGroupId].generatedId;
} else {
console.log(' Warning: Could not map content membership for user "%s"', originalGroupId);
return originalGroupId;
}
});
}
contentAPI.loadContent(nextContent, users, groups, SERVER_URL, function() {
idMappings['content'][currentBatch][nextContent.originalid] = {
id: nextContent.originalid,
generatedId: nextContent.generatedid
};
loadNextContent();
});
if (currentContent % 10 === 0) {
console.log(' ' + new Date().toUTCString() + ': Finished Loading Content Item ' + currentContent + ' of ' + contentToLoad.length);
}
} else {
general.writeObjectToFile('./scripts/generatedIds/content-' + currentBatch + '.txt', idMappings['content'][currentBatch]);
console.log(' ' + new Date().toUTCString() + ': Finished Loading ' + contentToLoad.length + ' Content Items');
loadDiscussions(users, groups, content, discussions, folders, currentBatch);
}
};
loadNextContent();
};
/////////////////
// DISCUSSIONS //
/////////////////
var loadDiscussions = function(users, groups, content, discussions, folders, currentBatch) {
var currentDiscussion = -1;
var discussionsToLoad = _.values(discussions);
var loadNextDiscussion = function() {
currentDiscussion++;
if (currentDiscussion < discussionsToLoad.length) {
var nextDiscussion = discussionsToLoad[currentDiscussion];
// convert all discussions membership ids to the generated user ids
for (var role in nextDiscussion.roles) {
nextDiscussion.roles[role].users = _.map(nextDiscussion.roles[role].users, function(originalUserId) {
if (idMappings['users'][currentBatch][originalUserId]) {
return idMappings['users'][currentBatch][originalUserId].generatedId;
} else {
console.log(' Warning: Could not map discussions membership for user "%s"', originalUserId);
return originalUserId;
}
});
nextDiscussion.roles[role].groups = _.map(nextDiscussion.roles[role].groups, function(originalUserId) {
if (idMappings['groups'][currentBatch][originalUserId]) {
return idMappings['groups'][currentBatch][originalUserId].generatedId;
} else {
console.log(' Warning: Could not map discussions membership for group "%s"', originalUserId);
return originalUserId;
}
});
}
discussionsAPI.loadDiscussion(nextDiscussion, users, groups, SERVER_URL, function() {
idMappings['discussions'][currentBatch][nextDiscussion.originalid] = {
id: nextDiscussion.originalid,
generatedId: nextDiscussion.generatedid
};
loadNextDiscussion();
});
if (currentDiscussion % 10 === 0) {
console.log(' ' + new Date().toUTCString() + ': Finished Loading Discussion ' + currentDiscussion + ' of ' + discussionsToLoad.length);
}
} else {
general.writeObjectToFile('./scripts/generatedIds/discussions-' + currentBatch + '.txt', idMappings['discussions'][currentBatch]);
console.log(' ' + new Date().toUTCString() + ': Finished Loading ' + discussionsToLoad.length + ' Discussions');
return loadfolders(users, groups, content, discussions, folders, currentBatch);
}
};
loadNextDiscussion();
};
/////////////
// FOLDERS //
/////////////
var loadfolders = function(users, groups, content, discussions, folders, currentBatch) {
var currentfolderIndex = -1;
var foldersToLoad = _.values(folders);
var loadNextfolder = function() {
currentfolderIndex++;
if (currentfolderIndex >= foldersToLoad.length) {
general.writeObjectToFile('./scripts/generatedIds/folders-' + currentBatch + '.txt', idMappings['folders'][currentBatch]);
console.log(' ' + new Date().toUTCString() + ': Finished Loading ' + foldersToLoad.length + ' folders');
return finishBatch(currentBatch);
}
var nextfolder = foldersToLoad[currentfolderIndex];
// Convert all folders membership ids to the generated user and group ids
_.each(nextfolder.roles, function(membership, role) {
membership.users = _.map(membership.users, function(originalUserId) {
if (idMappings.users[currentBatch][originalUserId]) {
return idMappings.users[currentBatch][originalUserId].generatedId;
} else {
console.log(' Warning: Could not map folder membership for user "%s"', originalUserId);
return originalUserId;
}
});
membership.groups = _.map(membership.groups, function(originalGroupId) {
if (idMappings.groups[currentBatch][originalGroupId]) {
return idMappings.groups[currentBatch][originalGroupId].generatedId;
} else {
console.log(' Warning: Could not map folder membership for group "%s"', originalGroupId);
return originalGroupId;
}
});
});
// Convert all content ids to the generated server content ids
nextfolder.contentIds = _.map(nextfolder.contentIds, function(originalContentId) {
if (idMappings.content[currentBatch][originalContentId]) {
return idMappings.content[currentBatch][originalContentId].generatedId;
} else {
console.log(' Warning: Could not map content item id for folder "%s"', nextfolder.id);
}
});
folderAPI.loadfolder(nextfolder, users, groups, content, SERVER_URL, function() {
idMappings.folders[currentBatch][nextfolder.originalid] = {
'id': nextfolder.originalid,
'generatedId': nextfolder.generatedid
};
if (currentfolderIndex % 10 === 0) {
console.log(' ' + new Date().toUTCString() + ': Finished Loading folder ' + currentfolderIndex + ' of ' + foldersToLoad.length);
}
return loadNextfolder();
});
};
loadNextfolder();
};
///////////
// START //
///////////
general.createFolder('./scripts/generatedIds');
console.time('Loading Batches');
for (var b = 0; b < CONCURRENT_BATCHES; b++) {
loadNextBatch();
}