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BlockingHistoryApp.html
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BlockingHistoryApp.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<!-- Copyright (c) 2010 Rally Software Development Corp. All rights reserved -->
<html>
<head>
<title>User Story Blocking History</title>
<meta name="Name" content="Blocking History"/>
<meta name="Version" content="2012.01.14"/>
<meta name="Vendor" content="Rally Software"/>
<script src="/apps/1.33/sdk.js?apiVersion=1.29"></script>
<script type="text/javascript">
var busySpinner = null;
var rallyDataSource = null;
var iterationDropdown = null;
var ACTIVE = "Active";
var BLOCKED = "Blocked";
var taskTable, storyTable, taskHistoryTable;
var blockedTasks = {}; // key with story.FormattedID, value is an Array with elements of:
// {task.FormattedID, task.Name,
// current schedule state of Task, task blocked status,
// task.RevisionHistory}
function byRevisionNumber(a, b) {
return a.RevisionNumber - b.RevisionNumber;
}
function byTaskFormattedID(a, b) {
var a_num = parseInt(a.FormattedID.substring(2, a.length), 10);
var b_num = parseInt(b.FormattedID.substring(2, b.length), 10);
return a_num - b_num;
}
function detectBlockedStories(stories) {
var blocked_stories = []; // this gets populated with UserStory objects
for (var ix = 0; ix < stories.length; ix++) {
var story = stories[ix];
var revisions = story.RevisionHistory.Revisions;
revisions.sort(byRevisionNumber);
var story_was_blocked = false;
// it doesn't matter how many revs have been in BLOCKED state, presence of one is sufficient
for (var rix = 0; rix < revisions.length && story_was_blocked === false; rix++) {
var rev = revisions[rix];
if (rev.Description.indexOf("BLOCKED changed from ") >= 0) {
story_was_blocked = true;
}
}
if (!story_was_blocked) // only iterate through the story tasks if the story itself has never been blocked
{
var tasks = story.Tasks;
var task = null;
var task_was_blocked = false;
tasks.sort(byTaskFormattedID);
for (var tix = 0; tix < tasks.length; tix++) {
task = tasks[tix];
task_was_blocked = false;
var trevs = task.RevisionHistory.Revisions;
trevs.sort(byRevisionNumber);
for (var trix = 0; trix < trevs.length && !task_was_blocked; trix++) {
var trev = trevs[trix];
if (trev.Description.indexOf("BLOCKED changed from ") >= 0) {
task_was_blocked = true;
}
}
if (task_was_blocked === true) {
story_was_blocked = true;
}
}
}
if (story_was_blocked) {
blocked_stories.push(story);
}
}
return blocked_stories;
}
function itemStatus(item, revisions) {
// given an item (story or task) and an array of revisions
// (either from UserStory or Task), iterate through the revisions
// The item.Blocked status trumps any 'BLOCKED' status detected in the revision list
var current_status = ACTIVE; // prime the state value
var wasBlocked = false;
revisions.sort(byRevisionNumber);
for (var rix = 0; rix < revisions.length; rix++) {
var rev = revisions[rix];
if (rev.Description.indexOf("BLOCKED changed from [false] to [true]") >= 0) {
current_status = BLOCKED;
wasBlocked = true;
}
if (rev.Description.indexOf("BLOCKED changed from [true] to [false]") >= 0) {
current_status = ACTIVE;
}
}
if (item.Blocked === true) // in the case where rev hist doesn't show blockage but item is blocked
{
current_status = BLOCKED;
wasBlocked = true;
}
return {'currentStatus': current_status, 'wasBlocked': wasBlocked};
}
function currentStoryState(story) {
// blockedTasks is a purposeful global...
blockedTasks[story.FormattedID] = [];
var storyStatus = itemStatus(story, story.RevisionHistory.Revisions);
var state = storyStatus.currentStatus;
// iterate through the story tasks. If the current state of any of the tasks
// is blocked, then the story itself shall be classified as being blocked.
// We are also going to update a running count of the number of tasks blocked for this story
var tasks_blocked = 0;
var task = null;
var taskStatus = null;
var taskInfo = {};
var storyInfo = {};
for (var tix = 0; tix < story.Tasks.length; tix++) {
task = story.Tasks[tix];
taskStatus = itemStatus(task, task.RevisionHistory.Revisions);
if (taskStatus.wasBlocked) {
taskInfo = {'taskID' : task.FormattedID,
'name' : task.Name,
'state' : task.State,
'status' : taskStatus.currentStatus,
'revHist' : task.RevisionHistory
};
blockedTasks[story.FormattedID].push(taskInfo);
}
if (taskStatus.currentStatus == BLOCKED) {
tasks_blocked++;
}
}
if (tasks_blocked > 0) {
state = BLOCKED;
var blocked_tasks = blockedTasks[story.FormattedID];
var taskIDs = dojo.map(blocked_tasks, function (t) {
return t.taskID;
});
}
storyInfo = {'storyID' : story.FormattedID,
'schedState' : story.ScheduleState,
'blocked' : story.Blocked.toString(),
'state' : state,
'numTasks' : story.Tasks.length.toString(),
'tasksBlocked' : tasks_blocked.toString()
};
return storyInfo;
}
function makeFuncLink(functionName, paramValues, linkText) {
// token substitution for FUNCTION_NAME, PARAMS and LINK_TEXT
// Note that each parm in the parm list must be enclosed in single quotes
var funcLink = '<a href=\"#\" onclick=\"FUNCTION_NAME(PARAMS); return false;\"><nobr>LINK_TEXT</nobr></a>';
funcLink = funcLink.replace('FUNCTION_NAME', functionName);
funcLink = funcLink.replace('LINK_TEXT', linkText);
var singleQuoteEnclose = function (parmValue) {
return "'" + parmValue + "'";
};
var parms = dojo.map(paramValues, singleQuoteEnclose);
funcLink = funcLink.replace('PARAMS', parms.join(", "));
return funcLink;
}
function showBlockedStories(blocked_stories) {
if (blocked_stories.length > 0) {
var tblConfig = { "columnKeys" : ['StoryID', 'SchedState', 'Status', 'NumTasks',
'CurrBlockedTasks', 'TaskDetails'],
"columnHeaders" : ["User Story", "Schedule State", "Status", "# of Tasks",
"# Currently <br>Blocked Tasks", "Tasks Details"],
"columnWidths" : ['75px', '90px', '75px', '70px', '85px', '100px'],
"height" : "180px"
};
storyTable = new rally.sdk.ui.Table(tblConfig);
var blocked = dojo.map(blocked_stories, currentStoryState);
var tasksLink = "";
for (var ix = 0; ix < blocked.length; ix++) {
var item = blocked[ix];
storyTable.setCell(ix, 'StoryID', item.storyID);
storyTable.setCell(ix, 'SchedState', item.schedState);
storyTable.setCell(ix, 'Status', item.state);
storyTable.setCell(ix, 'NumTasks', item.numTasks);
storyTable.setCell(ix, 'CurrBlockedTasks', item.tasksBlocked);
if (item.numTasks > 0) {
tasksLink = makeFuncLink('showBlockingTasks', [item.storyID], 'Show Tasks');
storyTable.setCell(ix, 'TaskDetails', tasksLink);
}
else {
storyTable.setCell(ix, 'TaskDetails', "");
}
}
var blockHistDiv = document.getElementById('blockHistDiv');
storyTable.display(blockHistDiv);
}
else {
var noBlockedStories = "<br>There are no stories that have ever been blocked for " +
iterationDropdown.getSelectedName();
document.getElementById('blockHistDiv').innerHTML = noBlockedStories;
}
}
function showBlockingTasks(storyID) {
if(taskTable) {
taskTable.destroy();
taskTable = null;
}
if(taskHistoryTable) {
taskHistoryTable.destroy();
taskHistoryTable = null;
}
dojo.byId('taskHistoryDiv').innerHTML = "";
var blockedTasksDiv = document.getElementById('blockedTasksDiv');
blockedTasksDiv.innerHTML = "<h4>Tasks with Blocking History<br>User Story: " + storyID + "<\/h4>";
// See if there have ever been any blocked tasks associated with the storyID
// If not, blurt out text stating that
var blocked_tasks = blockedTasks[storyID];
if (blocked_tasks.length === 0) {
blockedTasksDiv.innerHTML += "<p>There are no tasks associated with this story that were ever blocked.</p>";
return;
}
// Otherwise, cook up a table and fill it with info related to the tasks associated with
// the storyID that have been blocked at some point.
var config = {};
config = {"id" : "blockedTasks",
"columnKeys" : ["TaskID", "Name", "SchedState", "CurrentStatus", "TaskHistory"],
"columnHeaders" : ["Task", "Name", "Schedule State", "Current Status", "Task History"],
"columnWidths" : ['75px', '300px', '90px', '80px', '150px'],
"height" : "140px"
};
taskTable = new rally.sdk.ui.Table(config);
var taskBlockingHistoryLink = "";
for (var ix = 0; ix < blocked_tasks.length; ix++) {
var blockedTask = blocked_tasks[ix];
taskTable.setCell(ix, 'TaskID', blockedTask.taskID);
taskTable.setCell(ix, 'Name', "<nobr>" + blockedTask.name + "</nobr>");
taskTable.setCell(ix, 'SchedState', blockedTask.state);
taskTable.setCell(ix, 'CurrentStatus', blockedTask.status);
taskBlockingHistoryLink = makeFuncLink('showBlockingTaskHistory', [storyID, blockedTask.taskID], 'Show Blocking History');
taskTable.setCell(ix, 'TaskHistory', taskBlockingHistoryLink);
}
taskTable.display(blockedTasksDiv);
}
function createBlockageEpisode(startDate, rev) {
var be =
{
'blockDate' : rally.sdk.util.DateTime.fromIsoString(startDate, true),
'blockRev' : rev,
'unBlockDate' : "",
'unBlockRev' : "",
'lagTime' : "NA",
'duration' : function () {
if (this.unBlockDate === "") {
this.unBlockDate = "Currently Blocked";
}
else {
this.unBlockDate = rally.sdk.util.DateTime.fromIsoString(this.unBlockDate, true);
this.lagTime = this.calcDuration(this.blockDate, this.unBlockDate);
}
},
'calcDuration' : function (startDate, endDate) {
// Be aware that the rally.sdk.util.DateTime.getDifference function rounds when provided
// a unit in the form of 'year', 'month', 'week', 'day', 'hour' ...
// so the dur value that gets returned is often less than dead on the money precision.
// If fine-precision is desired you'd need to start at the other end of the unit
// spectrum ('second') and build up from there
// Note also, that we arbitrarily limit our dur return value to 2 units of measure,
// so you don't end up with something ridiculous like '4 years 11 months 3 weeks 6 days 5 hours'
var dateFormatSpec = {'datePattern' : 'yyyy/MM/dd', 'selector' : 'date'};
var refDate = startDate;
var dur = "";
var time_units = ['year', 'month', 'week', 'day', 'hour'];
var unit = "";
var units_used = 0;
var interval = 0;
for (var ix = 0; ix < time_units.length && units_used < 2; ix++) {
unit = time_units[ix];
interval = rally.sdk.util.DateTime.getDifference(endDate, refDate, unit);
if (interval > 0) {
dur += interval + " " + unit;
if (interval > 1) {
dur += "s";
}
dur += " ";
refDate = rally.sdk.util.DateTime.add(refDate, unit, interval);
units_used++;
}
}
dur = dur.length > 0 ? dur : "< 1 hour";
return dur;
}
};
return be;
}
function taskBlockingHistory(storyID, taskID) {
// from the blockedStories hash, access the blocked tasks list and obtain the object
// associated with the taskID,
// iterate through the revisions. Every time you see a blockage start, instantiate
// a BlockageEpisode object with blockDate, blockRev, set the lagTime to 'NA'
// and throw the BlockageEpisode on the blockages stack.
// When you see a blockage end, access the BlockageEpisode on the top of the blockages
// stack, and set the unblockDate and unblockRev.
// return the stack (array) of BlockageEpisode instances
var blockages = [];
var blkg = null;
var tasks = blockedTasks[storyID];
var taskInfo = null;
for (var tix = 0; tix < tasks.length && taskInfo === null; tix++) {
var tskInfo = tasks[tix];
if (tskInfo.taskID === taskID) {
taskInfo = tskInfo;
}
}
var revisions = taskInfo.revHist.Revisions;
revisions.sort(byRevisionNumber);
for (var rix = 0; rix < revisions.length; rix++) {
var revision = revisions[rix];
if (revision.RevisionNumber === 0) {
blkg = createBlockageEpisode(revision.CreationDate, revision.RevisionNumber);
blockages.push(blkg);
}
if (revision.Description.indexOf("BLOCKED changed from [false] to [true]") >= 0) {
blkg = createBlockageEpisode(revision.CreationDate, revision.RevisionNumber);
blockages.push(blkg);
}
else if (revision.Description.indexOf("BLOCKED changed from [true] to [false]") >= 0) {
var episode = blockages.pop();
episode.unBlockDate = revision.CreationDate;
episode.unBlockRev = revision.RevisionNumber;
blockages.push(episode);
}
}
if (blockages.length > 1 && blockages[0].lagTime == 'NA') {
blockages.splice(0, 1); // deletes the first element in blockages
}
return blockages;
}
function showBlockingTaskHistory(storyID, taskID) {
if(taskHistoryTable) {
taskHistoryTable.destroy();
taskHistoryTable = null;
}
var taskHistoryDiv = document.getElementById('taskHistoryDiv');
taskHistoryDiv.innerHTML = "<br><br><h4>Blocking History for Task " + taskID + "</h4>";
var config = {};
config = {"id" : "taskBlockingHistory",
"columnKeys" : ["BlockedDate", "UnblockedDate", "LagTime"],
"columnHeaders" : ["Blocked Date", "Unblocked Date", "Lag Time"],
"columnWidths" : ['100px', '100px', '140px'],
"height" : "100px"
};
taskHistoryTable = new rally.sdk.ui.Table(config);
var blockages = taskBlockingHistory(storyID, taskID);
var bd = null;
var dateFormatSpec = 'yyyy/MM/dd';
for (var i = 0; i < blockages.length; i++) {
var blockage = blockages[i];
blockage.duration(); // call method to calculate and set the lagTime
bd = rally.sdk.util.DateTime.format(blockage.blockDate, dateFormatSpec);
var ubd = "Currently Blocked";
if (blockage.unBlockDate !== "" && blockage.unBlockDate !== ubd) {
ubd = rally.sdk.util.DateTime.format(blockage.unBlockDate, dateFormatSpec);
}
taskHistoryTable.setCell(i, 'BlockedDate', bd);
taskHistoryTable.setCell(i, 'UnblockedDate', ubd);
taskHistoryTable.setCell(i, 'LagTime', blockage.lagTime);
}
taskHistoryTable.display(taskHistoryDiv);
}
function runMainQuery() {
if(taskTable) {
taskTable.destroy();
taskTable = null;
}
if(storyTable) {
storyTable.destroy();
storyTable = null;
}
if(taskHistoryTable) {
taskHistoryTable.destroy();
taskHistoryTable = null;
}
var blockHistDiv = dojo.byId('blockHistDiv');
blockHistDiv.innerHTML = "";
var blockedTasksDiv = dojo.byId('blockedTasksDiv');
blockedTasksDiv.innerHTML = "";
var taskHistoryDiv = dojo.byId('taskHistoryDiv');
taskHistoryDiv.innerHTML = "";
var showResults = function (results) {
busySpinner.hide();
var blocked_stories = detectBlockedStories(results.stories);
showBlockedStories(blocked_stories);
};
var targetIterationName = iterationDropdown.getSelectedName();
var queryConfig = { type : 'hierarchicalrequirement',
key : 'stories',
fetch: 'Name,FormattedID,ScheduleState,CreationDate,' +
'Blocked,RevisionHistory,Revisions,RevisionNumber,' +
'Description,Tasks,State',
order: 'FormattedID',
query: '(Iteration.Name = ' + '\"' + targetIterationName + '\")'
};
busySpinner = new rally.sdk.ui.basic.Wait({});
busySpinner.display('wait');
rallyDataSource.findAll(queryConfig, showResults);
}
</script>
<style type="text/css">
th, td {
font-size: smaller;
}
</style>
<script type="text/javascript">
function blockingHistory() {
rallyDataSource = new rally.sdk.data.RallyDataSource('__WORKSPACE_OID__',
'__PROJECT_OID__',
'__PROJECT_SCOPING_UP__',
'__PROJECT_SCOPING_DOWN__');
var iterConfig = {label: 'Select Iteration '};
iterationDropdown = new rally.sdk.ui.IterationDropdown(iterConfig, rallyDataSource);
iterationDropdown.display('iterations', runMainQuery);
}
rally.addOnLoad(blockingHistory);
</script>
</head>
<body>
<div id="iterations" style="float:left"></div>
<div id="wait" style="float:left; height: 16px; width: 24px;"></div>
<div class="blockedStories" id="blockHistDiv" style="clear:both;padding-top:15px"></div>
<div class="blockedTasks" id="blockedTasksDiv"></div>
<div id="taskHistoryDiv"><p></p></div>
</body>
</html>