public static string GetError(Api2Error error)
{
var result = new Api2Result("error");
result["error_id"] = ((int)error).ToString();
result["error_description"] = errorList[error];
result["status"] = Api2Result.status_error;
return(JsonConvert.SerializeObject(result));
}
private async Task Upload(HttpContext context, string cmd, UserItem userItem)
{
try
{
var boundary = context.Request.GetMultipartBoundary();
if (string.IsNullOrWhiteSpace(boundary))
{
await context.Response.WriteAsync(GetError(Api2Error.WrongRequest));
return;
}
string type = context.Request.Query["type"];
string item = context.Request.Query["item"];
// check type
//Upload(string fileName, string description, Stream stream, string options)
if (!DBManager.Instance.Get(type, out IManager manager))
{
await context.Response.WriteAsync(GetError(Api2Error.Parameters));
return;
}
var reader = new MultipartReader(boundary, context.Request.Body);
var section = await reader.ReadNextSectionAsync();
if (section == null)
{
await context.Response.WriteAsync(GetError(Api2Error.Parameters));
return;
}
var fileSection = section.AsFileSection();
var fileName = fileSection.FileName;
int id = await manager.Upload(userItem, fileSection.FileName, fileSection.FileStream, item);
var result = new Api2Result(cmd);
result["id"] = id;
await context.Response.WriteAsync(JsonConvert.SerializeObject(result));
}
catch (Exception exc)
{
Logger.Instance.Save(exc);
await context.Response.WriteAsync(GetError(Api2Error.Internal));
}
}
private async Task Auth(HttpContext context, string cmd, UserItem userItem)
{
if (!DBManager.Instance.Get("userinfo", out IManager manager))
{
await context.Response.WriteAsync(GetError(Api2Error.Parameters));
return;
}
string login = context.Request.Query["login"];
string password = context.Request.Query["password"];
if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(password))
{
await context.Response.WriteAsync(GetError(Api2Error.Parameters));
return;
}
var user = manager.Get("login", login) as UserInfo;
if (user == null)
{
await context.Response.WriteAsync(GetError(Api2Error.Parameters));
return;
}
if (string.Compare(user.password, password, true) != 0)
{
await context.Response.WriteAsync(GetError(Api2Error.Authorization));
return;
}
((UserManager)manager).UpdateActivity(user);
var result = new Api2Result(cmd);
string token = Guid.NewGuid().ToString("N");
result["token"] = token;
_activeUsers.Set(token, new UserItem()
{
uid = user.id, user = user
});
await context.Response.WriteAsync(JsonConvert.SerializeObject(result));
}
private async Task Delete(HttpContext context, string cmd, UserItem userItem)
{
try
{
string body;
using (var reader = new StreamReader(context.Request.Body))
{
body = reader.ReadToEnd();
}
if (string.IsNullOrEmpty(body))
{
await context.Response.WriteAsync(GetError(Api2Error.Parameters));
return;
}
string type = context.Request.Query["type"];
// check type
if (!DBManager.Instance.Get(type, out IManager manager))
{
await context.Response.WriteAsync(GetError(Api2Error.Parameters));
return;
}
var del = Tools.Deserialize <Api2Delete>(body);
if (del == null || del.id <= 0 || !manager.Delete(userItem, del.id))
{
await context.Response.WriteAsync(GetError(Api2Error.WrongId));
return;
}
var result = new Api2Result(cmd);
result["id"] = del.id;
await context.Response.WriteAsync(JsonConvert.SerializeObject(result));
}
catch (Exception exc)
{
Logger.Instance.Save(exc);
await context.Response.WriteAsync(GetError(Api2Error.Parameters));
}
}
private async Task Get(HttpContext context, string cmd, UserItem userItem)
{
try
{
string type = context.Request.Query["type"];
int.TryParse(context.Request.Query["current_page"], out int current_page);
int.TryParse(context.Request.Query["page_size"], out int page_size);
string sort_by = context.Request.Query["sort_by"];
bool.TryParse(context.Request.Query["descending"], out bool descending);
bool dependence = Tools.ToInt(context.Request.Query["dependence"].ToString()) == 1;
if (current_page <= 0)
{
current_page = 1;
}
if (page_size <= 0)
{
page_size = 5;
}
if (!DBManager.Instance.Get(type, out IManager manager))
{
await context.Response.WriteAsync(GetError(Api2Error.Parameters));
return;
}
string filter = context.Request.Query["filter"];
var filterList = Tools.Deserialize <List <FilterItem> >(filter);
var items = manager.Get(userItem, current_page, page_size, out int total_items, sort_by, descending, filterList);
var result = new Api2Result(cmd);
var data = new Dictionary <string, object>()
{
{ "total_items", total_items },
{ "current_page", current_page },
{ "page_size", page_size },
{ "items", items },
};
result["data"] = data;
if (dependence)
{
var dep = manager.Dependence(userItem, items);
if (dep != null)
{
data["dependence"] = dep;
}
}
//var result = new Dictionary<string, object>()
// {
// { "error_code", 0 },
// { "data", data },
// };
await context.Response.WriteAsync(JsonConvert.SerializeObject(result));
}
catch (Exception exc)
{
Logger.Instance.Save(exc);
await context.Response.WriteAsync(GetError(Api2Error.Parameters));
}
}
