private static ProjectData SetTaskResourceNamesOrInitials(ProjectData project, TaskId id, string value, bool isInitials)
{
var field = isInitials ? ResourceFields.Initials : ResourceFields.Name;
value = value.Trim();
var remainingAssignmentIds = project.GetAssignments(id).ToList();
if (value.Length > 0)
{
var resourceParts = value.Split(',');
foreach (var resourcePart in resourceParts)
{
var initials = resourcePart.Trim();
var units = 1.0;
var openBracket = initials.IndexOf("[");
if (openBracket >= 0)
{
var closeBracket = initials.IndexOf("]");
if (closeBracket < openBracket)
{
throw new FormatException("Missing ']'");
}
var percentageText = initials.Substring(openBracket + 1, closeBracket - openBracket - 1).Trim();
if (percentageText.EndsWith("%"))
{
percentageText = percentageText.Substring(0, percentageText.Length - 1).Trim();
}
if (!double.TryParse(percentageText, out var percentage))
{
throw new FormatException($"'{percentageText}' isn't a valid percentage");
}
initials = initials.Substring(0, openBracket).Trim();
units = percentage / 100.0;
}
var resourceId = project.GetResources(initials, isInitials).FirstOrDefault();
if (resourceId.IsDefault)
{
resourceId = ResourceId.Create();
project = project.AddResource(resourceId).Set(field, resourceId, initials);
}
var assignmentId = project.GetAssignment(id, resourceId);
if (assignmentId.IsDefault)
{
assignmentId = AssignmentId.Create();
project = project.AddAssignment(assignmentId, id, resourceId);
}
project = project.Set(AssignmentFields.Units, assignmentId, units);
remainingAssignmentIds.Remove(assignmentId);
}
}
foreach (var assignmentId in remainingAssignmentIds)
{
project = project.RemoveAssignment(assignmentId);
}
return(project);
}
private static ProjectData ResetTaskResourceInitials(ProjectData project, TaskId id)
{
return(ResetTaskResourceNamesOrInitials(project, id, isInitials: true));
}
private static ProjectData SetTaskResourceInitials(ProjectData project, TaskId id, string value)
{
return(SetTaskResourceNamesOrInitials(project, id, value, isInitials: true));
}
private static ProjectData SetTaskPredecessorsOrSuccessors(ProjectData project, TaskId id, string value, bool isSuccessors)
{
var linkField = isSuccessors ? TaskFields.SuccessorLinks : TaskFields.PredecessorLinks;
value = value.Trim();
var predecessorsBuilder = ImmutableArray.CreateBuilder <TaskId>();
var remainingTaskLinks = project.Get(linkField, id).ToList();
if (value.Length > 0)
{
var parts = value.Split(',');
foreach (var part in parts)
{
var partText = part.Trim();
var taskText = partText;
var sign = Math.Max(partText.IndexOf('+'), partText.IndexOf('-'));
var lag = TimeSpan.Zero;
if (sign >= 0)
{
var lagText = partText.Substring(sign).Trim();
lag = project.Information.TimeConversion.ParseDuration(lagText);
taskText = partText.Substring(0, sign).Trim();
}
var taskOrdinalText = taskText;
var linkType = (TaskLinkType?)null;
if (taskText.EndsWith("FS", StringComparison.OrdinalIgnoreCase))
{
linkType = TaskLinkType.FinishToStart;
}
else if (taskText.EndsWith("SS", StringComparison.OrdinalIgnoreCase))
{
linkType = TaskLinkType.StartToStart;
}
else if (taskText.EndsWith("FF", StringComparison.OrdinalIgnoreCase))
{
linkType = TaskLinkType.FinishToFinish;
}
else if (taskText.EndsWith("SF", StringComparison.OrdinalIgnoreCase))
{
linkType = TaskLinkType.StartToFinish;
}
if (linkType != null)
{
taskOrdinalText = taskText.Substring(0, taskText.Length - 2).Trim();
}
else if (sign < 0)
{
linkType = TaskLinkType.FinishToStart;
}
else
{
throw new FormatException($"'{partText}' isn't a valid value");
}
if (!int.TryParse(taskOrdinalText, out var taskOrdinal))
{
throw new FormatException($"'{taskOrdinalText}' isn't a valid int");
}
var taskId = project.GetTask(taskOrdinal);
if (taskId.IsDefault)
{
throw new FormatException($"'{taskOrdinal}' isn't a valid task");
}
var predecessorId = isSuccessors ? id : taskId;
var successorId = isSuccessors ? taskId : id;
var taskLink = TaskLink.Create(predecessorId, successorId, linkType.Value, lag);
var existingLink = project.GetTaskLink(predecessorId, successorId);
if (existingLink != null)
{
project = project.RemoveTaskLink(existingLink);
}
else if (project.TaskLinkCausesCycle(taskLink))
{
var predecessorOrdinal = project.Get(TaskFields.Ordinal, predecessorId);
var successorOrdinal = project.Get(TaskFields.Ordinal, successorId);
throw new InvalidOperationException($"Cannot add a link from task {predecessorOrdinal} to task {successorOrdinal} as this would cause a cycle.");
}
project = project.AddTaskLink(taskLink);
remainingTaskLinks.Remove(taskLink);
}
}
foreach (var taskLink in remainingTaskLinks)
{
project = project.RemoveTaskLink(taskLink);
}
return(project);
}
private static ProjectData SetTaskSuccessors(ProjectData project, TaskId id, string value)
{
return(SetTaskPredecessorsOrSuccessors(project, id, value, isSuccessors: true));
}
private static ProjectData ResetTaskSuccessors(ProjectData project, TaskId id)
{
return(ResetTaskPredecessorsOrSuccessors(project, id, isSuccessors: true));
}
internal static ProjectChanges Compute(ProjectData oldProject, ProjectData newProject)
{
// Tasks
var oldTasks = oldProject.TaskMap;
var newTasks = newProject.TaskMap;
var addedTasks = newTasks.Keys
.Where(id => !oldTasks.ContainsKey(id))
.ToImmutableArray();
var removedTasks = oldTasks.Keys
.Where(id => !newTasks.ContainsKey(id))
.ToImmutableArray();
var changedTasks = oldTasks.Where(kv => newTasks.ContainsKey(kv.Key))
.Select(kv => (oldTask: kv.Value, newTask: newTasks[kv.Key]))
.Where(t => t.oldTask != t.newTask)
.Select(t => TaskChanges.Compute(t.oldTask, t.newTask))
.Where(c => c.FieldChanges.Any())
.ToImmutableArray();
// Resources
var oldResources = oldProject.ResourceMap;
var newResources = newProject.ResourceMap;
var addedResources = newResources.Keys
.Where(id => !oldResources.ContainsKey(id))
.ToImmutableArray();
var removedResources = oldResources.Keys
.Where(id => !newResources.ContainsKey(id))
.ToImmutableArray();
var changedResources = oldResources.Where(kv => newResources.ContainsKey(kv.Key))
.Select(kv => (oldResource: kv.Value, newResource: newResources[kv.Key]))
.Where(t => t.oldResource != t.newResource)
.Select(t => ResourceChanges.Compute(t.oldResource, t.newResource))
.Where(c => c.FieldChanges.Any())
.ToImmutableArray();
// Assignments
var oldAssignments = oldProject.AssignmentMapping;
var newAssignments = newProject.AssignmentMapping;
var addedAssignments = newAssignments.Keys
.Where(id => !oldAssignments.ContainsKey(id))
.ToImmutableArray();
var removedAssignments = oldAssignments.Keys
.Where(id => !newAssignments.ContainsKey(id))
.ToImmutableArray();
var changedAssignments = oldAssignments.Where(kv => newAssignments.ContainsKey(kv.Key))
.Select(kv => (oldAssignment: kv.Value, newAssignment: newAssignments[kv.Key]))
.Where(t => t.oldAssignment != t.newAssignment)
.Select(t => AssignmentChanges.Compute(t.oldAssignment, t.newAssignment))
.Where(c => c.FieldChanges.Any())
.ToImmutableArray();
return(new ProjectChanges(addedTasks, removedTasks, changedTasks,
addedResources, removedResources, changedResources,
addedAssignments, removedAssignments, changedAssignments));
}
private Project(ProjectData data)
{
Data = data;
}