First Try Download

Discord Media Loader/MainForm.Designer.cs

@@ -38,7 +38,7 @@
             this.dtpLimit = new System.Windows.Forms.DateTimePicker();
             this.btnSearch = new System.Windows.Forms.Button();
             this.lbPath = new System.Windows.Forms.Label();
-            this.textBox1 = new System.Windows.Forms.TextBox();
+            this.tbxPath = new System.Windows.Forms.TextBox();
             this.btnDownload = new System.Windows.Forms.Button();
             this.SuspendLayout();
             // 
@@ -89,12 +89,15 @@
             // cbLimitDate
             // 
             this.cbLimitDate.AutoSize = true;
+            this.cbLimitDate.Checked = true;
+            this.cbLimitDate.CheckState = System.Windows.Forms.CheckState.Checked;
             this.cbLimitDate.Location = new System.Drawing.Point(15, 73);
             this.cbLimitDate.Name = "cbLimitDate";
             this.cbLimitDate.Size = new System.Drawing.Size(137, 17);
             this.cbLimitDate.TabIndex = 5;
             this.cbLimitDate.Text = "Only media posted after";
             this.cbLimitDate.UseVisualStyleBackColor = true;
+            this.cbLimitDate.CheckedChanged += new System.EventHandler(this.cbLimitDate_CheckedChanged);
             // 
             // dtpLimit
             // 
@@ -112,6 +115,7 @@
             this.btnSearch.TabIndex = 9;
             this.btnSearch.Text = "...";
             this.btnSearch.UseVisualStyleBackColor = true;
+            this.btnSearch.Click += new System.EventHandler(this.btnSearch_Click);
             // 
             // lbPath
             // 
@@ -122,12 +126,12 @@
             this.lbPath.TabIndex = 8;
             this.lbPath.Text = "Path:";
             // 
-            // textBox1
+            // tbxPath
             // 
-            this.textBox1.Location = new System.Drawing.Point(50, 107);
+            this.tbxPath.Location = new System.Drawing.Point(50, 107);
-            this.textBox1.Name = "textBox1";
+            this.tbxPath.Name = "tbxPath";
-            this.textBox1.Size = new System.Drawing.Size(342, 20);
+            this.tbxPath.Size = new System.Drawing.Size(342, 20);
-            this.textBox1.TabIndex = 7;
+            this.tbxPath.TabIndex = 7;
             // 
             // btnDownload
             // 
@@ -137,14 +141,15 @@
             this.btnDownload.TabIndex = 10;
             this.btnDownload.Text = "Start downloading";
             this.btnDownload.UseVisualStyleBackColor = true;
+            this.btnDownload.Click += new System.EventHandler(this.btnDownload_Click);
             // 
             // MainForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(439, 177);
+            this.ClientSize = new System.Drawing.Size(439, 202);
             this.Controls.Add(this.btnDownload);
-            this.Controls.Add(this.textBox1);
+            this.Controls.Add(this.tbxPath);
             this.Controls.Add(this.lbPath);
             this.Controls.Add(this.btnSearch);
             this.Controls.Add(this.dtpLimit);
@@ -177,7 +182,7 @@
         private System.Windows.Forms.DateTimePicker dtpLimit;
         private System.Windows.Forms.Button btnSearch;
         private System.Windows.Forms.Label lbPath;
-        private System.Windows.Forms.TextBox textBox1;
+        private System.Windows.Forms.TextBox tbxPath;
         private System.Windows.Forms.Button btnDownload;
     }
 }

Discord Media Loader/MainForm.cs

@@ -2,8 +2,11 @@
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
+using System.Diagnostics;
 using System.Drawing;
+using System.IO;
 using System.Linq;
+using System.Net;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
@@ -72,8 +75,7 @@ namespace Discord_Media_Loader
             }
             else
             {
-                foreach (var guild in Client.Servers)
+                cbGuilds.Items.AddRange((from g in Client.Servers orderby g.Name select g.Name).ToArray());
-                    cbGuilds.Items.Add(guild.Name);
 
                 cbGuilds.SelectedIndex = 0;
 
@@ -101,10 +103,9 @@ namespace Discord_Media_Loader
                 if (guild != null)
                 {
                     cbChannels.Items.Clear();
-                    foreach (var channel in guild.TextChannels)
+                    cbChannels.Items.AddRange((from c in guild.TextChannels orderby c.Position select c.Name).ToArray());
-                        cbChannels.Items.Add(channel.Name);
 
-                    cbChannels.Text = guild.TextChannels.First()?.Name;
+                    cbChannels.SelectedIndex = 0;
                 }
             }
             finally
@@ -112,5 +113,90 @@ namespace Discord_Media_Loader
                 Cursor = Cursors.Default;
             }
         }
+
+        private void cbLimitDate_CheckedChanged(object sender, EventArgs e)
+        {
+            dtpLimit.Enabled = cbLimitDate.Checked;
+        }
+
+        private void btnSearch_Click(object sender, EventArgs e)
+        {
+            var dlg = new FolderBrowserDialog();
+            if (dlg.ShowDialog() == DialogResult.OK)
+            {
+                tbxPath.Text = dlg.SelectedPath;
+            }
+        }
+
+        private async void btnDownload_Click(object sender, EventArgs e)
+        {
+            var path = tbxPath.Text;
+            var useStopDate = cbLimitDate.Checked;
+            var stopDate = dtpLimit.Value;
+
+            if (!Directory.Exists(path))
+            {
+                MessageBox.Show("Please enter an existing directory.");
+                return;
+            }
+
+            Enabled = false;
+
+            var guild = FindServerByName(cbGuilds.Text);
+            var channel = FindChannelByName(guild, cbChannels.Text);
+
+            var clients = new List<WebClient>();
+
+            var limit = 100;
+            var stop = false;
+            ulong lastId = ulong.MaxValue;
+            var isFirst = true;
+
+            while (!stop)
+            {
+                Discord.Message[] messages;
+
+                if (isFirst)
+                    messages = await channel.DownloadMessages(limit, null, Relative.Before, true);
+                else
+                    messages = await channel.DownloadMessages(limit, lastId, Relative.Before, true);
+
+                isFirst = false;
+
+                foreach (var m in messages)
+                {
+                    if (m.Id < lastId)
+                        lastId = m.Id;
+
+                    if (useStopDate && m.Timestamp < stopDate.Date)
+                    {
+                        stop = true;
+                        continue;
+                    }
+
+                    foreach (var a in m.Attachments)
+                    {
+                        var wc = new WebClient();
+                        clients.Add(wc);
+
+                        wc.DownloadFileCompleted += (wcSender, wcE) => clients.Remove((WebClient)wcSender);
+                        wc.DownloadFile(new Uri(a.Url), $@"{path}\{a.Filename}");
+                    }
+                }
+
+                stop = stop || messages.Length < limit;
+            }
+
+            await Task.Run(() =>
+            {
+                while (clients.Count > 0)
+                {
+                    // wait until download finished
+                }
+            });
+
+            Enabled = true;
+            Process.Start(path);
+        }
     }
 }

Discord Media Loader/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
 // übernehmen, indem Sie "*" eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.1.0.22")]
+[assembly: AssemblyVersion("0.1.0.28")]
-[assembly: AssemblyFileVersion("0.1.0.22")]
+[assembly: AssemblyFileVersion("0.1.0.28")]