/// <summary>
/// Create a pre-generated views file from the DbContext class in the assembly.
/// Name of views file is the name of the DbContext with ".Views" added to the name.
/// </summary>
/// <returns>
/// true if the task successfully executed; otherwise, false.
/// </returns>
public override bool Execute()
{
var startTime = DateTime.Now;
string suffix = string.IsNullOrEmpty(DbContext) ? "DbContext" : DbContext;
var lang = string.IsNullOrEmpty(Lang) ? "cs" : Lang;
Log.LogMessage("ViewRefreshTask: Assembly={0}, DbContext={1}, Lang={2}, ConnectionString={3}", Assembly.ItemSpec, suffix, lang, ConnectionString);
LanguageOption langOpt;
if (!ViewGenerator.ParseLanguageOption(lang, out langOpt))
{
Log.LogError("Lang parameter invalid. Must be \"cs\" or \"vb\", was {0}", lang);
return false;
}
// Generate the EDMX as a string
var eg = new EdmxGenerator(Log);
DbContext dbContext = eg.GetDbContext(Assembly.ItemSpec, suffix, this.ConnectionString);
if (dbContext == null) return false;
var edmx = eg.WriteEdmxString(dbContext);
if (edmx == null) return false;
// Get the views file name
string viewsFileName = dbContext.GetType().Name + ".Views" +
(langOpt == LanguageOption.GenerateCSharpCode ? ".cs" : ".vb");
// Generate a new views file if the old does not have the current hash
var vg = new ViewGenerator(Log);
var oldHash = vg.GetHashFromViewsFile(viewsFileName);
var newHash = vg.CreateHash(edmx);
bool result;
if (newHash.Equals(oldHash))
{
Log.LogMessage("Views are already current. Touching file.");
System.IO.File.SetLastWriteTimeUtc(viewsFileName, DateTime.UtcNow);
result = true;
}
else
{
Log.LogMessage("Writing views to {0}", viewsFileName);
result = vg.WriteViewsFile(viewsFileName, edmx, newHash, langOpt);
}
var timeSpan = DateTime.Now.Subtract(startTime);
Log.LogMessage("ViewRefreshTask done. Elapsed time={0}", timeSpan);
return result;
}
/// <summary>
/// Create an edmx file from the DbContext class in the assembly.
/// </summary>
/// <returns>
/// true if the task successfully executed; otherwise, false.
/// </returns>
public override bool Execute()
{
Log.LogMessage("EdmxWriteTask: Assembly={0}, DbContext={1}, EdmxFile={2}", Assembly.ItemSpec, DbContext, EdmxFile);
var g = new EdmxGenerator(Log);
return g.GenerateEdmx(Assembly.ItemSpec, DbContext, EdmxFile);
}
