private void AddQueryListItem(string modelId, QueryListItem item)
{
var items = GetQueryListItems(modelId);
items.Add(item);
SaveQueryListItems(modelId, items);
}
private void UpdateQueryListItem(string modelId, QueryListItem item)
{
var items = GetQueryListItems(modelId);
foreach (var it in items)
{
if (it.id == item.id)
{
it.name = item.name;
it.description = item.description;
break;
}
}
SaveQueryListItems(modelId, items);
}
public EasyReportController(IHostingEnvironment env, IConfiguration config)
{
eqService = new EqServiceProviderDb();
eqService.Paging.Enabled = true;
eqService.DefaultModelId = "NWindSQL";
eqService.UserId = "TestUser";
eqService.StoreModelInCache = true;
eqService.StoreQueryInCache = true;
//EqServiceProvider needs to know where to save/load queries to/from
eqService.Formats.SetDefaultFormats(FormatType.MsSqlServer);
eqService.Formats.UseSchema = true;
string dataPath = System.IO.Path.Combine(env.ContentRootPath, "App_Data");
eqService.DataPath = dataPath;
eqService.ConnectionResolver = () => {
return(new SqlConnection(config.GetConnectionString("EqDemoDb")));
};
//You can set DbConnection directly (without using ConfigurationManager)
//eqService.Connection = new SqlCeConnection("Data Source=" + System.IO.Path.Combine(dataPath, "Northwind.sdf"));
//to support saving/loading models and queries to/from Session
eqService.CacheGetter = (key) => HttpContext.Session.GetString(key);
eqService.CacheSetter = (key, value) => HttpContext.Session.SetString(key, value.ToString());
//The following four handlers (QuerySaver, QueryLoader, QueryRemover and QueryListResolver) are overrided in order to don't save to the server the changes user make - all changed/added queries are stored in Session object
//This is for demo purpose only, you may freely delete this code or modify to your notice
// --- begining of overrided handlers ---
eqService.QuerySaver = (query, queryId) => {
if (!string.IsNullOrEmpty(queryId))
{
HttpContext.Session.SetString("query" + queryId, query.SaveToString());
List <QueryListItem> queries = HttpContext.Session.GetObject <List <QueryListItem> >("queryList");
if (queries != null)
{
QueryListItem item = queries.Find(x => x.id.Equals(queryId));
if (item == null)
{
item = new QueryListItem(query.ID, query.QueryName);
queries.Add(item);
}
item.name = query.QueryName;
item.description = query.QueryDescription;
HttpContext.Session.SetObject("queryList", queries);
}
}
};
eqService.QueryLoader = (query, queryId) => {
if (!string.IsNullOrEmpty(queryId))
{
string queryString = HttpContext.Session.GetString("query" + queryId);
if (String.IsNullOrWhiteSpace(queryString))
{
eqService.DefaultQueryLoader(query, queryId);
HttpContext.Session.SetString("query" + queryId, query.SaveToString());
}
else
{
query.LoadFromString(queryString);
}
}
};
eqService.QueryRemover = (queryId) => {
if (!string.IsNullOrEmpty(queryId))
{
HttpContext.Session.Remove("query" + queryId);
List <QueryListItem> queries = HttpContext.Session.GetObject <List <QueryListItem> >("queryList");
if (queries != null)
{
QueryListItem item = queries.Find(x => x.id.Equals(queryId));
if (item != null)
{
queries.Remove(item);
}
}
}
};
eqService.QueryListResolver = (modelId) => {
List <QueryListItem> queryItems = HttpContext.Session.GetObject <List <QueryListItem> >("queryList");
if (queryItems == null)
{
queryItems = eqService.DefaultQueryListResolver(modelId) as List <QueryListItem>;
HttpContext.Session.SetObject("queryList", queryItems);
}
return(queryItems);
};
// --- end of overrided handlers ---
//Uncomment in case you need to implement your own model loader or add some changes to existing one
// eqService.ModelLoader = (model, modelName) => {
// model.LoadFromConnection(eqService.Connection, FillModelOptions.Default);
// model.
// };
//Custom lists resolver
eqService.ValueListResolver = (listname) => {
if (listname == "ListName")
{
return(new List <ListItem> {
new ListItem("ID1", "Item 1"),
new ListItem("ID2", "Item 2")
});
}
return(Enumerable.Empty <ListItem>());
};
}
