private static void InsertConnectionString(ApplyOptions options, SettingsProviderDatabase database, SettingsProvider.Section section, Action action) {
var name = new SqlConnectionName() {
Name = action.Name
};
SqlConnectionString connection = null;
if (!options.UseExistingConnectionStrings) {
connection = database.SqlConnectionStrings.FirstOrDefault(c => c.ConnectionString == action.Value);
}
if (connection == null) {
connection = new SqlConnectionString() {
ConnectionString = action.Value
};
database.AddToSqlConnectionStrings(connection);
}
database.AddToSqlConnectionNames(name);
name.Section = section;
name.SqlConnectionString = connection;
}
public static SnapShot GetFor(string sectionName) {
SnapShot ret = new SnapShot();
ret.Section = sectionName;
using (var database = new SettingsProviderDatabase()) {
var section = database.Sections.FirstOrDefault(s => s.Name == sectionName);
if (section != null)
ret.Assembly = section.AssemblyName;
ret.Settings = database.GetApplcationSettingsFor(sectionName);
ret.ConnectionStrings = database.GetNamedConnectionsFor(sectionName);
}
return ret;
}
public void Apply(ApplyOptions options) {
if (IsEmpty)
return;
using (var database = new SettingsProviderDatabase()) {
var section = database.Sections.FirstOrDefault(s => s.Name == Section);
if (section == null) {
section = new Section() { Name = Section, AssemblyName = Assembly };
database.AddToSections(section);
}
foreach (Action action in Actions) {
switch (action.Type) {
case Action.ActionType.Insert:
if (action.IsConnectionString)
InsertConnectionString(options, database, section, action);
else
InsertApplcationSetting(section, action);
break;
case Action.ActionType.Delete:
if (action.IsConnectionString) {
var names = from connectionName in database.SqlConnectionNames.Include("Section")
where connectionName.Section.Id == section.Id && connectionName.Name == action.Name
select connectionName;
foreach (var name in names) database.DeleteObject(name);
} else {
var settings = from setting in database.ApplicationSettings
where setting.SectionId == section.Id && setting.Name == action.Name
select setting;
foreach (var name in settings) database.DeleteObject(name);
}
break;
case Action.ActionType.Update:
if (action.IsConnectionString) {
SqlConnectionString connection = database.SqlConnectionNames
.Include("Section")
.Include("SqlConnectionString")
.Where(sec => sec.Section.Id == section.Id)
.Select(sec => sec.SqlConnectionString)
.FirstOrDefault();
if(connection != null)
connection.ConnectionString = action.Value;
} else {
ApplicationSetting setting = database.ApplicationSettings
.Include("Section")
.Where(s => s.Section.Id == section.Id && s.Name == action.Name)
.FirstOrDefault();
if (setting != null)
setting.Value = action.Value;
}
break;
}
}
database.SaveChanges();
}
}