/// <summary>
/// Adds an already resolved value to the cache
/// </summary>
public void AddResolved(string name, string strValue)
{
var value = new ResolvedValue(name, Entity.Types.STR, strValue);
value.SetValue(strValue);
Resolved.Add(name, value);
}
/// <summary>
/// When comparing the paths, any variables found will be
/// returned in the cache.
/// </summary>
public bool Equals(Route route, out Cache cache)
{
// Must have same number of parts to match
if (Parts.Length != route.Parts.Length)
{
cache = null;
return(false);
}
// All parts must match
cache = new Cache();
for (int i = 0; i < Parts.Length; i++)
{
// If either part is variable then they match
if (IsVar[i])
{
var resolved = new ResolvedValue("path." + Parts[i], Entity.Types.STR, route.Parts[i]);
resolved.SetValue(route.Parts[i]);
cache.SetResolved(resolved);
}
else if (route.IsVar[i])
{
cache.AddResolved("path." + route.Parts[i], Parts[i]);
}
else if (!Parts[i].Equals(route.Parts[i]))
{
cache = null;
return(false);
}
}
return(true);
}
/// <summary>
/// Adds the value to the resolved set and removes it from the unresolved set.
/// </summary>
public void SetResolved(ResolvedValue value)
{
// Special case: name is null (or ends with '.NOCACHE') for values that shouldn't be cached
if (value.Name == null || value.Name.EndsWith(".NOCACHE"))
{
return;
}
Resolved.Add(value.Name, value);
unresolved.Remove(value.Name);
}
public string InsertVars(Cache vars, ApiBody request, ApiBody response)
{
// Make sure folder is valid and exists
try
{
if (!Directory.Exists(Folder))
{
Directory.CreateDirectory(Folder);
}
}
catch (Exception e)
{
throw new Exception($"Failed to create folder '{Folder}': {e.Message}");
}
var sb = new StringBuilder();
int pos = 0;
int varStart = Pattern.IndexOf('{');
while (varStart != -1)
{
int varEnd = Pattern.IndexOf('}', varStart);
if (varEnd == -1)
{
throw new Exception($"Persist definition {OutputDef} has mismatched braces. Missing '}}'.");
}
sb.Append(Pattern.Substring(pos, varStart - pos));
string name = Pattern.Substring(varStart + 1, varEnd - (varStart + 1));
if (name.Equals("*"))
{
sb.Append('*');
}
else
{
ResolvedValue resolved = null;
try
{
if (name.StartsWith("path.") || name.StartsWith("query.") || name.StartsWith("request."))
{
resolved = vars.GetValue(name);
}
else
{
if (response != null)
{
resolved = vars.GetValueOrNull(response.EntityName + "." + name);
}
if (resolved == null)
{
if (request == null)
{
resolved = vars.GetValue(name);
}
else
{
resolved = vars.GetValue("request." + request.EntityName + "." + name);
}
}
}
}
catch (Exception)
{
if (response != null && response.Mods != null)
{
// Variable might be in response mods.
string newName = response.Mods.GetValueOrDefault(response.EntityName + "." + name);
if (newName != null)
{
if (newName[0] == '~')
{
// Mod is a reference
try
{
resolved = vars.GetValue(newName.Substring(1));
}
catch (Exception)
{
// Do nothing - will be caught by null check
}
}
else
{
// Mod is a literal
resolved = new ResolvedValue(name, Entity.Types.STR, newName);
resolved.SetValue(newName);
}
}
}
}
if (resolved == null)
{
throw new Exception($"Persist definition '{OutputDef}' variable '{name}' does not match any known attribute.");
}
sb.Append(resolved.Value);
}
pos = varEnd + 1;
if (pos < Pattern.Length)
{
varStart = WildPattern.IndexOf('{', pos);
}
else
{
break;
}
}
if (pos < Pattern.Length)
{
sb.Append(Pattern.Substring(pos));
}
return(Path.Combine(Folder, sb.ToString()));
}