public async Task <IEnumerable <PlanetMessage> > GetLastMessages(ulong channel_id, int count = 10)
{
// Prevent requesting a ridiculous amount of messages
if (count > 64)
{
count = 64;
}
List <PlanetMessage> staged = PlanetMessageWorker.GetStagedMessages(channel_id, count);
List <PlanetMessage> messages = null;
count = count - staged.Count;
if (count > 0)
{
await Task.Run(() =>
{
messages =
Context.PlanetMessages.Where(x => x.Channel_Id == channel_id)
.OrderByDescending(x => x.Message_Index)
.Take(count)
.Reverse()
.ToList();
});
messages.AddRange(staged);
}
return(messages);
}
private static async Task GetMessages(HttpContext ctx, ValourDB db, ulong channel_id,
[FromHeader] string authorization,
ulong index = ulong.MaxValue, int count = 10)
{
// Request parameter validation //
if (count > 64)
{
ctx.Response.StatusCode = 400;
await ctx.Response.WriteAsync("Max count is 64");
return;
}
// Request authorization //
AuthToken auth = await ServerAuthToken.TryAuthorize(authorization, db);
if (auth == null)
{
ctx.Response.StatusCode = 401;
await ctx.Response.WriteAsync($"Token is invalid [token: {authorization}]");
return;
}
ServerPlanetChatChannel channel = await db.PlanetChatChannels.Include(x => x.Planet)
.ThenInclude(x => x.Members.Where(x => x.User_Id == auth.User_Id))
.FirstOrDefaultAsync(x => x.Id == channel_id);
var member = channel.Planet.Members.FirstOrDefault();
if (member == null || !await channel.HasPermission(member, ChatChannelPermissions.ViewMessages, db))
{
ctx.Response.StatusCode = 401;
await ctx.Response.WriteAsync("Member lacks ChatChannelPermissions.ViewMessages node");
return;
}
List <PlanetMessage> staged = PlanetMessageWorker.GetStagedMessages(channel_id, count);
List <PlanetMessage> messages = null;
count = count - staged.Count;
if (count > 0)
{
await Task.Run(() =>
{
messages =
db.PlanetMessages.Where(x => x.Channel_Id == channel_id && x.Message_Index < index)
.OrderByDescending(x => x.Message_Index)
.Take(count)
.Reverse()
.ToList();
});
messages.AddRange(staged.Where(x => x.Message_Index < index));
}
ctx.Response.StatusCode = 200;
await ctx.Response.WriteAsJsonAsync(messages);
}
