Exemplo n.º 1
0
        private void btnGetAlbums_Click(object sender, EventArgs e)
        {
            BGErrorMessage = "";

            dgvPhotosets.Rows.Clear();

            SearchAccountUser = (User)cbSearchAccount.SelectedItem;
            if (SearchAccountUser == null)
            {
                MessageBox.Show("No search account selected");
                return;
            }
            PhotosetList = new SortableBindingList <Photoset>();

            FormProgress dlg = new FormProgress("Find albums", BGFindPhotosets);

            // Show dialog with Synchronous/blocking call.
            // BGFindPhotosets() is called by dialog.
            DialogResult result = dlg.ShowDialog();

            if (result == DialogResult.OK)
            {
                if (!String.IsNullOrWhiteSpace(BGErrorMessage))
                {
                    MessageBox.Show(BGErrorMessage);
                }
                else
                {
                    bindingSourcePhotosets.DataSource = PhotosetList;
                    if (dgvPhotosets.Rows.Count > 0 &&
                        dgvPhotosets.Rows[0].Cells.Count > 0)
                    {
                        dgvPhotosets.CurrentCell      = dgvPhotosets.Rows[0].Cells[0];
                        dgvPhotosets.Rows[0].Selected = true;
                    }
                }
            }
            else
            {
                // Search was canceled. Do nothing.
            }
        }
Exemplo n.º 2
0
        // Background worker task to search selected photosets.
        private void BGDownloadPhotosets(object sender, DoWorkEventArgs e)
        {
            BackgroundWorker worker = (BackgroundWorker)sender;

            worker.ReportProgress(0, "Connecting");

            PhotoList = new SortableBindingList <Photo>();

            // Count the number of enabled photosets, so we can do an estimate of percent complete;
            int enabledPhotosets = 0;

            foreach (Photoset photoset in PhotosetList)
            {
                if (photoset.EnableSearch)
                {
                    enabledPhotosets++;
                }
            }

            if (enabledPhotosets == 0)
            {
                // No photosets are enabled. We are done.
                return;
            }

            try
            {
                int indexPhotoset = 0;

                FlickrNet.Flickr f = FlickrManager.GetFlickrAuthInstance();
                if (f == null)
                {
                    BGErrorMessage = "You must authenticate before you can download data from Flickr.";
                    return;
                }

                // Iterate over the photosets and get the photos from each set.
                FlickrNet.PhotosetPhotoCollection photoCollection = new FlickrNet.PhotosetPhotoCollection();

                foreach (Photoset photoset in PhotosetList)
                {
                    if (worker.CancellationPending)
                    {
                        e.Cancel = true;
                        return;
                    }

                    if (photoset.EnableSearch)
                    {
                        int    percent     = indexPhotoset * 100 / enabledPhotosets;
                        string description = "Searching Album " + photoset.Title;
                        worker.ReportProgress(percent, description);

                        int page    = 1;
                        int perpage = 500;
                        do
                        {
                            if (worker.CancellationPending) // See if cancel button was pressed.
                            {
                                e.Cancel = true;
                                return;
                            }

                            photoCollection = f.PhotosetsGetPhotos(photoset.PhotosetId, SearchExtras, page, perpage);
#if false
                            // It is not clear from the documentation whether the limit of 4000 photos per search applies
                            // to album searches. If an album has more than 4000 photos, is the result of GetPhotos
                            // accurate? I'm going to assume for now that it is. If not, you can enable this code.
                            if (photoCollection.Total > 3999)
                            {
                                BGErrorMessage = $"Too many photos: {photoCollection.Total}";
                                return;
                            }
#endif
                            foreach (FlickrNet.Photo flickrPhoto in photoCollection)
                            {
                                AddPhotoToList(f, flickrPhoto, photoset);
                            }
                            // Calculate percent complete based on both how many photo sets we have completed,
                            // plus how many pages we have read
                            percent = (indexPhotoset * 100 + page * 100 / photoCollection.Pages) / enabledPhotosets;
                            worker.ReportProgress(percent, description);
                            page = photoCollection.Page + 1;
                        }while (page <= photoCollection.Pages);

                        indexPhotoset++;
                    }
                }
            }
            catch (FlickrNet.FlickrException ex)
            {
                BGErrorMessage = "Search failed. Error: " + ex.Message;
                return;
            }

            DownloadFiles(sender, e);
        }
Exemplo n.º 3
0
        private void BGDownloadAllPhotos(object sender, DoWorkEventArgs e)
        {
            BackgroundWorker worker = (BackgroundWorker)sender;

            PhotoList = new SortableBindingList <Photo>();

            worker.ReportProgress(0, "Searching all photos");

            FlickrNet.Flickr f = FlickrManager.GetFlickrAuthInstance();
            if (f == null)
            {
                BGErrorMessage = "You must authenticate before you can download data from Flickr.";
                return;
            }

            try
            {
                FlickrNet.PhotoSearchOptions options = new FlickrNet.PhotoSearchOptions();
                options.Extras    = SearchExtras;
                options.SortOrder = FlickrNet.PhotoSearchSortOrder.DateTakenAscending;
                if (Settings.FilterByDate)
                {
                    options.MinTakenDate = Settings.StartDate.Date;
                    options.MaxTakenDate = Settings.StopDate.Date + new TimeSpan(23, 59, 59);
                }
                options.UserId  = SearchAccountUser.UserId;
                options.Page    = 1;
                options.PerPage = 500;

                FlickrNet.PhotoCollection photoCollection;
                do
                {
                    if (worker.CancellationPending) // See if cancel button was pressed.
                    {
                        return;
                    }

                    photoCollection = f.PhotosSearch(options);
                    if (photoCollection.Total > 3999)
                    {
                        BGErrorMessage = $"Too many photos: {photoCollection.Total}";
                        return;
                    }
                    foreach (FlickrNet.Photo flickrPhoto in photoCollection)
                    {
                        AddPhotoToList(f, flickrPhoto, null);
                    }
                    // Calculate percent complete based on how many pages we have completed.
                    int percent = (options.Page * 100 / photoCollection.Pages);
                    worker.ReportProgress(percent, "Searching all photos");

                    options.Page = photoCollection.Page + 1;
                }while (options.Page <= photoCollection.Pages);
            }
            catch (FlickrNet.FlickrException ex)
            {
                BGErrorMessage = "Download failed. Error: " + ex.Message;
                return;
            }

            DownloadFiles(worker, e);
        }