private void Refresh()
{
lock (_synclock)
{
if (HttpContext.Current.Cache[kCACHE_KEY] == null)
{
qc_dict.Clear();
List <string> filenames = new List <string>();
foreach (IArea site in ServiceLocator.Instance.Resolve <IHost>().AllAreas)
{
string dir;
string filename;
List <string> files = new List <string>();
if (site.AreaKey == AreaConfig.Instance.AreaKey)// default site
{
dir = ServerUtil.MapPath("~/App_Data");
}
else
{
dir = ServerUtil.MapPath(site.VirtualPath);
}
filename = Path.Combine(dir, "query.config");
if (!Directory.Exists(dir))
{
continue;
}
if (File.Exists(filename))
{
files.Add(filename);
}
// add filename like "query.post.config"
files.AddRange(Directory.GetFiles(dir, "query.*.config", SearchOption.TopDirectoryOnly));
filenames.AddRange(files);
// prase xml
foreach (var item in files)
{
_logger.Debug("begin parse query file: {0}.", item);
XmlDocument doc = new XmlDocument();
doc.Load(item);
foreach (XmlNode node in doc.DocumentElement.SelectNodes("//query"))
{
string id = XmlUtil.GetStringAttribute(node, "id", string.Empty);
if (string.IsNullOrEmpty(id))
{
continue;
}
id = string.Format(FORMAT, site.AreaKey, id.ToLower());
_logger.Debug("RESULT: query id:{0}", id);
Qc qc = new Qc()
{
Id = id,
Field = XmlUtil.GetStringAttribute(node, "field", string.Empty),
AllowedOrderbyColumns = XmlUtil.GetStringAttribute(node, "allowedOrderbyColumns", string.Empty),
Orderby = XmlUtil.GetStringAttribute(node, "orderby", string.Empty),
Where = node.InnerText.Trim(),
PageSize = XmlUtil.GetIntAttribute(node, "pageSize", -1)
};
if (string.IsNullOrEmpty(qc.Field))
{
// 如果field是设置在单独的节点
XmlNode n = node.SelectSingleNode("field");
if (n != null)
{
qc.Field = n.InnerText.Trim();
n = node.SelectSingleNode("where");
if (n != null)
{
qc.Where = n.InnerText.Trim();
}
}
}
qc_dict[id] = qc;
foreach (XmlAttribute attr in node.Attributes)
{
qc_dict[id][attr.Name] = attr.Value;
}
}
_logger.Debug("end parse query file: {0}.", item);
}
}
// load from database
foreach (var item in (from q in DictSchema.CreateContext()
where q.Type == "dynamic_query" && q.IsValid == true
select q).ToList())
{
if (string.IsNullOrEmpty(item.Name))
{
continue;
}
string id = string.Format(FORMAT,
string.IsNullOrEmpty(item.ParentId) ? "default" : item.ParentId,
item.Name.ToLowerInvariant());
var qc = qc_dict[id] = new Qc()
{
Id = id,
Field = item.Prop1,
AllowedOrderbyColumns = item.Prop2,
Orderby = item.Prop3,
Where = item.Prop4,
PageSize = item.Prop5.ToInt(-1)
};
foreach (string key in item.ExtAttrs.Keys)
{
qc[key] = item[key];
}
}
CacheDependency fileDependency = new CacheDependency(filenames.ToArray());
HttpContext.Current.Cache.Insert(kCACHE_KEY, "dummyValue", fileDependency, Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
}
}
private void Refresh()
{
lock (_synclock)
{
if (HttpContext.Current.Cache[kCACHE_KEY] == null)
{
qc_dict.Clear();
List<string> filenames = new List<string>();
foreach (IArea site in ServiceLocator.Instance.Resolve<IHost>().AllAreas)
{
string dir;
string filename;
List<string> files = new List<string>();
if (site.AreaKey == AreaConfig.Instance.AreaKey)// default site
dir = ServerUtil.MapPath("~/App_Data");
else
dir = ServerUtil.MapPath(site.VirtualPath);
filename = Path.Combine(dir, "query.config");
if (!Directory.Exists(dir))
continue;
if (File.Exists(filename))
files.Add(filename);
// add filename like "query.post.config"
files.AddRange(Directory.GetFiles(dir, "query.*.config", SearchOption.TopDirectoryOnly));
filenames.AddRange(files);
// prase xml
foreach (var item in files)
{
_logger.Debug("begin parse query file: {0}.", item);
XmlDocument doc = new XmlDocument();
doc.Load(item);
foreach (XmlNode node in doc.DocumentElement.SelectNodes("//query"))
{
string id = XmlUtil.GetStringAttribute(node, "id", string.Empty);
if (string.IsNullOrEmpty(id))
continue;
id = string.Format(FORMAT, site.AreaKey, id.ToLower());
_logger.Debug("RESULT: query id:{0}", id);
Qc qc = new Qc()
{
Id = id,
Field = XmlUtil.GetStringAttribute(node, "field", string.Empty),
AllowedOrderbyColumns = XmlUtil.GetStringAttribute(node, "allowedOrderbyColumns", string.Empty),
Orderby = XmlUtil.GetStringAttribute(node, "orderby", string.Empty),
Where = node.InnerText.Trim(),
PageSize = XmlUtil.GetIntAttribute(node, "pageSize", -1)
};
if (string.IsNullOrEmpty(qc.Field))
{
// 如果field是设置在单独的节点
XmlNode n = node.SelectSingleNode("field");
if (n != null)
{
qc.Field = n.InnerText.Trim();
n = node.SelectSingleNode("where");
if (n != null)
qc.Where = n.InnerText.Trim();
}
}
qc_dict[id] = qc;
foreach (XmlAttribute attr in node.Attributes)
{
qc_dict[id][attr.Name] = attr.Value;
}
}
_logger.Debug("end parse query file: {0}.", item);
}
}
// load from database
foreach (var item in (from q in DictSchema.CreateContext(true)
where q.Type == "dynamic_query" && q.IsValid == true
select q).ToList())
{
if (string.IsNullOrEmpty(item.Name)) continue;
string id = string.Format(FORMAT,
string.IsNullOrEmpty(item.ParentId) ? "default" : item.ParentId,
item.Name.ToLowerInvariant());
var qc = qc_dict[id] = new Qc()
{
Id = id,
Field = item.Prop1,
AllowedOrderbyColumns = item.Prop2,
Orderby = item.Prop3,
Where = item.Prop4,
PageSize = item.Prop5.ToInt(-1)
};
foreach (string key in item.ExtAttrs.Keys)
{
qc[key] = item[key];
}
}
CacheDependency fileDependency = new CacheDependency(filenames.ToArray());
HttpContext.Current.Cache.Insert(kCACHE_KEY, "dummyValue", fileDependency, Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
}
}
void QueryCondition_BeforeQuery(object sender, QueryCondition.BeforeQueryEventArgs e)
{
//leixu 2015年10月29日16:01:30
if (HttpContext.Current == null)
{
return;
}
QueryCondition q = sender as QueryCondition;
JContext jc = JContext.Current;
Qc qc = null;
string qId = q.Id;
string sitekey = jc.Area.AreaKey;
if (qId == null)
{
qId = jc.Navigation.ToString();
}
else
{
if (qId.Contains(":"))
{
string[] ar = StringUtil.Split(qId, ":", true, true);
sitekey = ar[0];
qId = ar[1];
}
}
if (string.IsNullOrEmpty(qId))
{
return;
}
qc = GetById(sitekey, string.Format("{0}.{1}.{2}", qId, e.Method, e.DbProviderName));
if (qc == null)
{
qc = GetById(sitekey, string.Format("{0}.{1}", qId, e.Method));
}
if (qc == null)
{
qc = GetById(sitekey, string.Format("{0}.{1}", qId, e.DbProviderName));
}
if (qc == null)
{
qc = GetById(sitekey, qId);
}
if (qc == null)
{
_logger.Warn("query:{0} not found!", q.Id);
return;
}
if (qc.PageSize > -1 && q.PageSize == -1)
{
q.PageSize = qc.PageSize;
}
q.Parameters.Clear();
if ((string.IsNullOrEmpty(q.TableField) || q.TableField == "*" || q.EventFiredTimes > 1) && StringUtil.HasText(qc.Field))
{
if (qc.Field.Contains("$"))
{
using (StringWriter writer = new StringWriter())
{
Dictionary <string, object> di = new Dictionary <string, object>(jc.ViewData);
di["this"] = sender;
ServiceLocator.Instance.Resolve <ITemplateEngine>().Process(di,
string.Empty,
writer,
qc.Field);
q.TableField = writer.GetStringBuilder().ToString();
}
}
else
{
q.TableField = qc.Field;
}
}
// 解析field里的@参数
Match m = Regex.Match(q.TableField, @"@\w+");
while (m.Success)
{
string param_name = m.Value.Substring(1).Trim();
if (q[param_name] != null)
{
q.Parameters[param_name] = q[param_name];
}
m = m.NextMatch();
}
if (StringUtil.HasText(qc.AllowedOrderbyColumns))
{
q.AllowedOrderbyColumns.AddRange(StringUtil.CommaDelimitedListToStringArray(qc.AllowedOrderbyColumns));
}
if (StringUtil.HasText(qc.Orderby))
{
List <string> ls = new List <string>(StringUtil.CommaDelimitedListToStringArray(qc.Orderby));
if (q.IsAddOrderBy2First)
{
ls.Reverse();
foreach (string oderby in ls)
{
q.InsertOrderby(0, oderby.TrimStart('-'), !oderby.StartsWith("-"));
}
}
else
{
foreach (string oderby in ls)
{
q.AddOrderby(oderby.TrimStart('-'), !oderby.StartsWith("-"));
}
}
}
foreach (string key in qc.Keys)
{
q[key] = qc[key];
}
using (StringWriter writer = new StringWriter())
{
Dictionary <string, object> di = new Dictionary <string, object>(jc.ViewData);
di["this"] = sender;
ServiceLocator.Instance.Resolve <ITemplateEngine>().Process(di,
string.Empty,
writer,
qc.Where);
string sql = Regex.Replace(writer.GetStringBuilder().ToString(), @"\s{1,}|\t|\r|\n", " ");
// 解析where里的@参数
m = Regex.Match(sql, @"@\w+");
while (m.Success)
{
string param_name = m.Value.Substring(1).Trim();
if (q[param_name] != null)
{
q.Parameters[param_name] = q[param_name];
}
m = m.NextMatch();
}
if (StringUtil.HasText(sql))
{
q.WhereClause = sql;
}
}
}
