private AttributeMigrationState GetApplicationMigrationState(IOrganizationService service, AttributeMetadata att, string newSchemaName)
{
var entityName = att.EntityLogicalName;
var schemaName = att.SchemaName;
var tempSchemaName = att.SchemaName + TempPostfix;
var state = new AttributeMigrationState();
var metadata = ((RetrieveEntityResponse)service.Execute(new RetrieveEntityRequest {
LogicalName = att.EntityLogicalName, EntityFilters = EntityFilters.Attributes
})).EntityMetadata;
Trace("Searching for Existing Attribute " + entityName + "." + schemaName);
state.Old = metadata.Attributes.FirstOrDefault(a => a.SchemaName == schemaName);
Trace("Existing Attribute {0}.{1} {2}found", entityName, schemaName, state.Old == null ? "not " : string.Empty);
Trace("Searching for Temp Attribute " + entityName + "." + tempSchemaName);
state.Temp = metadata.Attributes.FirstOrDefault(a => a.SchemaName == tempSchemaName);
Trace("Temp Attribute {0}.{1} {2}found", entityName, tempSchemaName, state.Temp == null ? "not " : string.Empty);
Trace("Searching for New Attribute " + entityName + "." + newSchemaName);
state.New = metadata.Attributes.FirstOrDefault(a => a.SchemaName == newSchemaName);
Trace("New Attribute {0}.{1} {2}found", entityName, newSchemaName, state.New == null ? "not " : string.Empty);
return(state);
}
private void AssertValidStepsForState(string existingSchemaName, string newSchemaName, Steps stepsToPerform, AttributeMigrationState state, Action actions)
{
if (actions.HasFlag(Action.ChangeType) && existingSchemaName == newSchemaName && state.Old != null && state.New != null)
{
Trace("Only an attribute type change has been requested. Attempting to differentiate between existing and new.");
if (state.Temp == null)
{
Trace("No Temporary Attribute was found. Treating New as not yet created.");
state.New = null;
}
else if (state.Old.GetType() == state.Temp.GetType())
{
if (stepsToPerform.HasFlag(Steps.RemoveExistingAttribute) || stepsToPerform.HasFlag(Steps.CreateNewAttribute) || stepsToPerform.HasFlag(Steps.MigrateToTemp))
{
Trace("A Temporary Attribute was found and a request has been made to either remove the existing attribute, create a new attribute, or migrate to temp. Treating New as not yet created.");
state.New = null;
}
else
{
Trace("A Temporary Attribute was found and a request has not been made to either remove the existing attribute, create a new attribute, or migrate to temp. Treating New as already created.");
state.Old = null;
}
}
else
{
Trace("A Temporary Attribute was found and the current Attribute Type is different. Treating New as not yet created.");
state.New = null;
}
}
Trace("Validating Current CRM State Before Preforming Steps:");
if (stepsToPerform.HasFlag(Steps.CreateTemp) && state.Temp != null)
{
throw new InvalidOperationException("Unable to Create Temp! Temp " + state.Temp.EntityLogicalName + "." + state.Temp.LogicalName + " already exists!");
}
if (stepsToPerform.HasFlag(Steps.MigrateToTemp))
{
// Can only Migrate if old already exists
if (state.Old == null)
{
throw new InvalidOperationException("Unable to Migrate! Existing Attribute " + existingSchemaName + " does not exist!");
}
// Can only Migrate if Tmp already exists, or temp will be created
if (!(state.Temp != null || stepsToPerform.HasFlag(Steps.CreateTemp)))
{
throw new InvalidOperationException("Unable to Migrate! Temporary Attribute " + existingSchemaName + TempPostfix + " does not exist!");
}
}
if (stepsToPerform.HasFlag(Steps.RemoveExistingAttribute))
{
if (state.Old == null)
{
AssertInvalidState("Unable to Remove Existing Attribute! Attribute " + existingSchemaName + " does not exist!");
}
// Can only Remove existing if Tmp already exists, or temp will be created, or if performing rename and there is a Create
if (!(state.Temp != null || stepsToPerform.HasFlag(Steps.CreateTemp) || (!string.Equals(existingSchemaName, newSchemaName, StringComparison.OrdinalIgnoreCase) && stepsToPerform.HasFlag(Steps.CreateNewAttribute))))
{
AssertInvalidState("Unable to Remove Existing Attribute! Temporary Attribute " + existingSchemaName + TempPostfix + " does not exist!");
}
// Can only Remove existing if Tmp will be migrated, or has been migrated
if (!((actions.HasFlag(Action.ChangeCase) && stepsToPerform.HasFlag(Steps.MigrateToTemp)) || (actions.HasFlag(Action.Rename) && stepsToPerform.HasFlag(Steps.MigrateToNewAttribute))))
{
try
{
AssertCanDelete(Service, state.Old);
}
catch
{
AssertInvalidState("Unable to Remove Existing! Existing Attribute " + existingSchemaName + " has not been migrated to Temporary Attribute!");
}
}
}
if (stepsToPerform.HasFlag(Steps.CreateNewAttribute))
{
// Can only Create Global if Local does not exist or will be removed
if (!(state.Old == null || stepsToPerform.HasFlag(Steps.RemoveExistingAttribute)))
{
AssertInvalidState("Unable to create new Attribute! Old Attribute " + existingSchemaName + " still exists!");
}
// Can only Create Global if doesn't already exist
if (state.New != null)
{
AssertInvalidState("Unable to create new Attribute! New Attribute " + existingSchemaName + " already exists!");
}
}
if (stepsToPerform.HasFlag(Steps.MigrateToNewAttribute))
{
// Can only Migrate To New if Temp Exists, or Creating a Temp, or There is a Rename and the Old Already Exists
if (!(state.Temp != null || stepsToPerform.HasFlag(Steps.CreateTemp) || (actions.HasFlag(Action.Rename) && state.Old != null)))
{
AssertInvalidState("Unable to Migrate! Temp Attribute " + existingSchemaName + TempPostfix + " does not exist!");
}
// Can only Migrate if New Already exists, or New will be created
if (!(state.New != null || stepsToPerform.HasFlag(Steps.CreateNewAttribute)))
{
AssertInvalidState("Unable to Migrate! New Attribute " + existingSchemaName + " does not exist!");
}
}
if (stepsToPerform.HasFlag(Steps.RemoveTemp))
{
// Can Only remove Temp if it exists, or will exist
if (!(state.Temp != null || stepsToPerform.HasFlag(Steps.CreateTemp)))
{
AssertInvalidState("Unable to Remove Temp! Temp Attribute " + existingSchemaName + TempPostfix + " does not exist!");
}
// Can Only remove Temp if new Attribute Already exists, or if only step is RemoveTemp
if (!(state.New != null || stepsToPerform.HasFlag(Steps.CreateNewAttribute) || stepsToPerform == Steps.RemoveTemp))
{
AssertInvalidState("Unable to Migrate! New Attribute " + existingSchemaName + " does not exist!");
}
// Can only Remove tmp if global will be migrated, or has been migrated
if (!stepsToPerform.HasFlag(Steps.MigrateToNewAttribute))
{
try
{
AssertCanDelete(Service, state.Temp);
}
catch
{
AssertInvalidState("Unable to Remove Old Attribute! Old Attribute " + existingSchemaName + " has not been migrated to Temporary Attribute!");
}
}
}
}
private AttributeMigrationState GetApplicationMigrationState(IOrganizationService service, AttributeMetadata att, string newSchemaName, Action actions)
{
var entityName = att.EntityLogicalName;
var schemaName = att.SchemaName;
var tempSchemaName = att.SchemaName + TempPostfix;
var state = new AttributeMigrationState();
var metadata = ((RetrieveEntityResponse) service.Execute(new RetrieveEntityRequest {LogicalName = att.EntityLogicalName, EntityFilters = EntityFilters.Attributes})).EntityMetadata;
Trace("Searching for Existing Attribute " + entityName + "." + schemaName);
state.Old = metadata.Attributes.FirstOrDefault(a => a.SchemaName == schemaName);
Trace("Existing Attribute {0}.{1} {2}found", entityName, schemaName, state.Old == null ? "not " : string.Empty);
Trace("Searching for Temp Attribute " + entityName + "." + tempSchemaName);
state.Temp = metadata.Attributes.FirstOrDefault(a => a.SchemaName == tempSchemaName);
Trace("Temp Attribute {0}.{1} {2}found", entityName, tempSchemaName, state.Temp == null ? "not " : string.Empty);
Trace("Searching for New Attribute " + entityName + "." + newSchemaName);
state.New = metadata.Attributes.FirstOrDefault(a => a.SchemaName == newSchemaName);
Trace("New Attribute {0}.{1} {2}found", entityName, newSchemaName, state.New == null ? "not " : string.Empty);
return state;
}
private void AssertValidStepsForState(string existingSchemaName, string newSchemaName, Steps stepsToPerform, AttributeMigrationState state, Action actions)
{
// TODO CLEAN THIS UP!
if (actions.HasFlag(Action.ChangeType) && existingSchemaName == newSchemaName && state.Old != null && state.New != null)
{
Trace("Only an attribute type change has been requested. Attempting to differentiate between existing and new.");
if (state.Temp == null)
{
Trace("No Temporary Attribute was found. Treating New as not yet created.");
state.New = null;
}
else if (state.Old.GetType() == state.Temp.GetType())
{
if (stepsToPerform.HasFlag(Steps.RemoveExistingAttribute) || stepsToPerform.HasFlag(Steps.CreateNewAttribute) || stepsToPerform.HasFlag(Steps.MigrateToTemp))
{
Trace("A Temporary Attribute was found and a request has been made to either remove the existing attribute, create a new attribute, or migrate to temp. Treating New as not yet created.");
state.New = null;
}
else
{
Trace("A Temporary Attribute was found and a request has not been made to either remove the existing attribute, create a new attribute, or migrate to temp. Treating New as already created.");
state.Old = null;
}
}
else
{
Trace("A Temporary Attribute was found and the current Attribute Type is different. Treating New as not yet created.");
state.New = null;
}
}
Trace("Validating Current CRM State Before Performing Steps:");
if (stepsToPerform.HasFlag(Steps.CreateTemp) && state.Temp != null)
{
throw new InvalidOperationException("Unable to Create Temp! Temp " + state.Temp.EntityLogicalName + "." + state.Temp.LogicalName + " already exists!");
}
if (stepsToPerform.HasFlag(Steps.MigrateToTemp))
{
// Can only Migrate if old already exists
if (state.Old == null)
{
throw new InvalidOperationException("Unable to Migrate! Existing Attribute " + existingSchemaName + " does not exist!");
}
// Can only Migrate if Tmp already exists, or temp will be created
if (!(state.Temp != null || stepsToPerform.HasFlag(Steps.CreateTemp)))
{
throw new InvalidOperationException("Unable to Migrate! Temporary Attribute " + existingSchemaName + TempPostfix + " does not exist!");
}
}
if (stepsToPerform.HasFlag(Steps.RemoveExistingAttribute))
{
if (state.Old == null)
{
AssertInvalidState("Unable to Remove Existing Attribute! Attribute " + existingSchemaName + " does not exist!");
}
// Can only Remove existing if Tmp already exists, or temp will be created, or action is to delete, or if performing rename and there is a Create Or the New Already exists
if (!(
state.Temp != null ||
stepsToPerform.HasFlag(Steps.CreateTemp) ||
actions.HasFlag(Action.Delete) ||
(!string.Equals(existingSchemaName, newSchemaName, StringComparison.OrdinalIgnoreCase) &&
(stepsToPerform.HasFlag(Steps.CreateNewAttribute) || state.New != null))))
{
AssertInvalidState("Unable to Remove Existing Attribute! Temporary Attribute " + existingSchemaName + TempPostfix + " does not exist!");
}
// Can only Remove existing if Tmp will be migrated, or has been migrated, or action is delete
if (!(
(actions.HasFlag(Action.ChangeCase) && stepsToPerform.HasFlag(Steps.MigrateToTemp)) ||
(actions.HasFlag(Action.Rename) && stepsToPerform.HasFlag(Steps.MigrateToNewAttribute)) ||
actions.HasFlag(Action.Delete)))
{
try
{
AssertCanDelete(Service, state.Old);
}
catch
{
AssertInvalidState("Unable to Remove Existing! Existing Attribute " + existingSchemaName + " has not been migrated to Temporary Attribute!");
}
}
}
if (stepsToPerform.HasFlag(Steps.CreateNewAttribute))
{
if (stepsToPerform.HasFlag(Steps.MigrationToTempRequired))
{
// Temp is required, Can only Create New, if Old doesn't exist, or will be removed
if (!(state.Old == null || stepsToPerform.HasFlag(Steps.RemoveExistingAttribute)))
{
AssertInvalidState("Unable to create new Attribute! Old Attribute " + existingSchemaName + " still exists!");
}
}
// Can only Create Global if doesn't already exist
if (state.New != null)
{
AssertInvalidState("Unable to create new Attribute! New Attribute " + existingSchemaName + " already exists!");
}
}
if (stepsToPerform.HasFlag(Steps.MigrateToNewAttribute))
{
// Can only Migrate To New if Temp Exists, or Creating a Temp, or There is a Rename and the Old Already Exists
if (!(state.Temp != null || stepsToPerform.HasFlag(Steps.CreateTemp) || (actions.HasFlag(Action.Rename) && state.Old != null)))
{
AssertInvalidState("Unable to Migrate! Temp Attribute " + existingSchemaName + TempPostfix + " does not exist!");
}
// Can only Migrate if New Already exists, or New will be created
if (!(state.New != null || stepsToPerform.HasFlag(Steps.CreateNewAttribute)))
{
AssertInvalidState("Unable to Migrate! New Attribute " + existingSchemaName + " does not exist!");
}
}
if (stepsToPerform.HasFlag(Steps.RemoveTemp))
{
// Can Only remove Temp if it exists, or will exist
if (!(state.Temp != null || stepsToPerform.HasFlag(Steps.CreateTemp)))
{
AssertInvalidState("Unable to Remove Temp! Temp Attribute " + existingSchemaName + TempPostfix + " does not exist!");
}
// Can Only remove Temp if new Attribute Already exists, or if only step is RemoveTemp
if (!(state.New != null || stepsToPerform.HasFlag(Steps.CreateNewAttribute) || stepsToPerform == Steps.RemoveTemp))
{
AssertInvalidState("Unable to Migrate! New Attribute " + existingSchemaName + " does not exist!");
}
// Can only Remove tmp if global will be migrated, or has been migrated
if (!stepsToPerform.HasFlag(Steps.MigrateToNewAttribute))
{
try
{
AssertCanDelete(Service, state.Temp);
}
catch
{
AssertInvalidState("Unable to Remove Old Attribute! Old Attribute " + existingSchemaName + " has not been migrated to Temporary Attribute!");
}
}
}
}
