protected async Task AddLog(TelegtoolsLog log)
{
using (var ctx = new TelegtoolsContext())
{
ctx.Logs.Add(log);
await ctx.SaveChangesAsync();
}
}
protected async Task <TelegtoolsJob> UpdateJob(TelegtoolsJob job)
{
using (var ctx = new TelegtoolsContext())
{
ctx.Jobs.Attach(job);
ctx.Entry(job).State = EntityState.Modified;
await ctx.SaveChangesAsync();
}
return(job);
}
public async Task SaveAsync(TelegramPost telegramPost)
{
if (telegramPost == null)
{
throw new ArgumentNullException(nameof(telegramPost));
}
using (var ctx = new TelegtoolsContext())
{
ctx.TelegramPosts.Add(telegramPost);
await ctx.SaveChangesAsync();
}
}
public async Task <TelegtoolsJob> CreateJobAsync(string channelName, int fromPostId, int toPostId)
{
var job = new TelegtoolsJob(channelName, fromPostId, toPostId);
using (var ctx = new TelegtoolsContext())
{
//var existJob = await ctx.Jobs.Where(j => j.ChannelName == channelName)
// .AnyAsync(j => HangingStatuses.Contains(j.Status));
//if (existJob)
// throw new Exception("There is already an unfinished job for this channel.");
ctx.Jobs.Add(job);
await ctx.SaveChangesAsync();
}
return(job);
}
public override async Task <TelegtoolsJob> ExecuteJobAsync(long jobId)
{
var job = await GetJobAsync(jobId);
if (job == null || job.Status != TelegtoolsJobStatus.Created)
{
throw new ArgumentException($"There is no job with id '{jobId}' in 'created' status.", nameof(jobId));
}
if (string.IsNullOrWhiteSpace(job.ChannelName))
{
throw new ArgumentException($"The job with id '{jobId}' has no 'Channel Name'!", nameof(jobId));
}
job.Status = TelegtoolsJobStatus.InProcess;
job.StartDate = DateTime.UtcNow;
job = await UpdateJob(job);
int postId = -1;
try
{
for (postId = job.FromPostId; postId <= job.ToPostId; postId++)
{
var telegramPost = await ChannelTools.GetPostAsync(job.ChannelName, postId);
var log = new TelegtoolsLog(job.ChannelName, postId)
{
TelegtoolsJobId = job.Id
};
if (telegramPost == null)
{
log.Level = TraceLevel.Warning;
log.Message = $"Could not read post {postId}.";
}
else
{
log.Level = TraceLevel.Info;
log.Message = $"Post {postId} has been saved.";
}
try
{
using (var ctx = new TelegtoolsContext())
{
if (telegramPost != null)
{
ctx.TelegramPosts.Add(telegramPost);
}
ctx.Logs.Add(log);
await ctx.SaveChangesAsync();
}
}
catch (Exception ex)
{
var logEx = new TelegtoolsLog(job.ChannelName, postId)
{
TelegtoolsJobId = job.Id,
Level = TraceLevel.Error,
Message = ex.ToString()
};
try
{
await AddLog(logEx);
}
catch { /* ignored */ }
}
}
job.Status = TelegtoolsJobStatus.Done;
}
catch (Exception ex)
{
job.Status = TelegtoolsJobStatus.Interrupted;
var logEx = new TelegtoolsLog(job.ChannelName, postId)
{
TelegtoolsJobId = job.Id,
Level = TraceLevel.Error,
Message = ex.ToString()
};
try
{
await AddLog(logEx);
}
catch { /* ignored */ }
}
finally
{
job.EndDate = DateTime.UtcNow;
job = await UpdateJob(job);
}
return(job);
}
/*
* public static async Task GetPostsAndSaveAsync(
* TelegtoolsContext context,
* string channelName,
* int startPostId,
* int endPostId)
* {
* if (chennelTool == null) throw new ArgumentNullException(nameof(chennelTool));
*
* var job = new TelegtoolsJob(channelName);
* context.Jobs.Add(job);
* await context.SaveChangesAsync();
* int postId = -1;
*
* try
* {
* for (postId = startPostId; postId <= endPostId; postId++)
* {
* var telegramPost = await chennelTool.GetPostAsync(channelName, postId);
* var log = new TelegtoolsLog(channelName, postId);
*
* if (telegramPost == null)
* {
* log.Level = TraceLevel.Warning;
* log.Message = $"Could not read post {postId}.";
* job.Logs.Add(log);
* }
* else
* {
* context.TelegramPosts.Add(telegramPost);
* log.Level = TraceLevel.Info;
* log.Message = $"Post {postId} has been saved.";
* job.Logs.Add(log);
* }
*
* try
* {
* await context.SaveChangesAsync();
* }
* catch (Exception ex)
* {
* var logEx = new TelegtoolsLog(channelName, postId);
* logEx.Level = TraceLevel.Error;
* logEx.Message = ex.ToString();
* job.Logs.Add(log);
* }
* }
* }
* catch (Exception ex)
* {
* var logEx = new TelegtoolsLog(channelName, postId);
* logEx.Level = TraceLevel.Error;
* logEx.Message = ex.ToString();
* job.Logs.Add(logEx);
* }
* finally
* {
* job.EndDate = DateTime.UtcNow;
* job.Status = TelegtoolsJobStatus.Done;
* await context.SaveChangesAsync();
* }
* }
* //*/
public async Task GetPostsAndSaveAsync(TelegtoolsJob job)
{
if (job == null)
{
throw new ArgumentNullException(nameof(job));
}
if (string.IsNullOrWhiteSpace(job.ChannelName))
{
throw new ArgumentException(nameof(job.ChannelName), nameof(job));
}
int postId = -1;
try
{
for (postId = job.FromPostId; postId <= job.ToPostId; postId++)
{
var telegramPost = await _channelTools.GetPostAsync(job.ChannelName, postId);
var log = new TelegtoolsLog(job.ChannelName, postId)
{
TelegtoolsJobId = job.Id
};
if (telegramPost == null)
{
log.Level = TraceLevel.Warning;
log.Message = $"Could not read post {postId}.";
}
else
{
log.Level = TraceLevel.Info;
log.Message = $"Post {postId} has been saved.";
}
try
{
using (var ctx = new TelegtoolsContext())
{
if (telegramPost != null)
{
ctx.TelegramPosts.Add(telegramPost);
}
ctx.Logs.Add(log);
await ctx.SaveChangesAsync();
}
}
catch (Exception ex)
{
var logEx = new TelegtoolsLog(job.ChannelName, postId)
{
TelegtoolsJobId = job.Id,
Level = TraceLevel.Error,
Message = ex.ToString()
};
try
{
using (var ctx = new TelegtoolsContext())
{
ctx.Logs.Add(logEx);
await ctx.SaveChangesAsync();
}
}
catch
{
// ignored
}
}
}
}
catch (Exception ex)
{
var logEx = new TelegtoolsLog(job.ChannelName, postId)
{
TelegtoolsJobId = job.Id,
Level = TraceLevel.Error,
Message = ex.ToString()
};
try
{
using (var ctx = new TelegtoolsContext())
{
ctx.Logs.Add(logEx);
await ctx.SaveChangesAsync();
}
}
catch
{
// ignored
}
}
finally
{
job.EndDate = DateTime.UtcNow;
job.Status = TelegtoolsJobStatus.Done;
try
{
using (var ctx = new TelegtoolsContext())
{
ctx.Jobs.Attach(job);
await ctx.SaveChangesAsync();
}
}
catch
{
// ignored
}
}
}