Добавлен интерфейс логики, а так же реализована работа с объявлениями
This commit is contained in:
parent
e2cb1bd139
commit
4f5adc07dc
@ -1,39 +0,0 @@
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using Npgsql;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace WebsiteForPlacingAds
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{
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public abstract class AbstractDatabase
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{
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private NpgsqlConnection connection;
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public AbstractDatabase(string connectionString)
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{
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connection = new NpgsqlConnection(connectionString);
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}
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protected DataTable ExecuteQuery(string query)
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{
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connection.Open();
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NpgsqlCommand command = new NpgsqlCommand(query, connection);
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NpgsqlDataAdapter adapter = new NpgsqlDataAdapter(command);
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DataTable result = new DataTable();
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adapter.Fill(result);
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connection.Close();
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return result;
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}
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protected void ExecuteNonQuery(string query)
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{
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connection.Open();
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NpgsqlCommand command = new NpgsqlCommand(query, connection);
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command.ExecuteNonQuery();
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connection.Close();
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}
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}
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}
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@ -1,23 +0,0 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace WebsiteForPlacingAds
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{
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public class ConnectionSingleton
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{
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private static PostgreSqlDatabase postgreSqlDatabase;
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private ConnectionSingleton()
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{ }
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public static PostgreSqlDatabase getPostgreSqlDatabase(string connectionString)
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{
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if (postgreSqlDatabase == null)
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postgreSqlDatabase = new PostgreSqlDatabase(connectionString);
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return postgreSqlDatabase;
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}
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}
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}
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@ -28,7 +28,7 @@
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/// </summary>
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private void InitializeComponent()
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{
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this.button1 = new System.Windows.Forms.Button();
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this.buttonCreateAd = new System.Windows.Forms.Button();
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this.labelHeading = new System.Windows.Forms.Label();
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this.textBoxHeading = new System.Windows.Forms.TextBox();
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this.textBoxPrice = new System.Windows.Forms.TextBox();
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@ -45,15 +45,15 @@
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this.comboBoxClient = new System.Windows.Forms.ComboBox();
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this.SuspendLayout();
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//
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// button1
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// buttonCreateAd
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//
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this.button1.Location = new System.Drawing.Point(49, 456);
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this.button1.Name = "button1";
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this.button1.Size = new System.Drawing.Size(125, 67);
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this.button1.TabIndex = 0;
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this.button1.Text = "Разместить объявление";
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this.button1.UseVisualStyleBackColor = true;
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this.button1.Click += new System.EventHandler(this.button1_Click);
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this.buttonCreateAd.Location = new System.Drawing.Point(49, 456);
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this.buttonCreateAd.Name = "buttonCreateAd";
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this.buttonCreateAd.Size = new System.Drawing.Size(273, 39);
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this.buttonCreateAd.TabIndex = 0;
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this.buttonCreateAd.Text = "Разместить объявление";
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this.buttonCreateAd.UseVisualStyleBackColor = true;
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this.buttonCreateAd.Click += new System.EventHandler(this.buttonCreateAd_Click);
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//
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// labelHeading
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//
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@ -68,14 +68,14 @@
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//
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this.textBoxHeading.Location = new System.Drawing.Point(49, 34);
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this.textBoxHeading.Name = "textBoxHeading";
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this.textBoxHeading.Size = new System.Drawing.Size(125, 27);
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this.textBoxHeading.Size = new System.Drawing.Size(273, 27);
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this.textBoxHeading.TabIndex = 2;
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//
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// textBoxPrice
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//
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this.textBoxPrice.Location = new System.Drawing.Point(49, 96);
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this.textBoxPrice.Name = "textBoxPrice";
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this.textBoxPrice.Size = new System.Drawing.Size(125, 27);
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this.textBoxPrice.Size = new System.Drawing.Size(273, 27);
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this.textBoxPrice.TabIndex = 4;
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//
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// labelPrice
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@ -91,7 +91,7 @@
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//
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this.textBoxDate.Location = new System.Drawing.Point(49, 158);
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this.textBoxDate.Name = "textBoxDate";
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this.textBoxDate.Size = new System.Drawing.Size(125, 27);
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this.textBoxDate.Size = new System.Drawing.Size(273, 27);
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this.textBoxDate.TabIndex = 6;
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//
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// labelDate
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@ -125,7 +125,7 @@
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//
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this.textBoxStatus.Location = new System.Drawing.Point(49, 221);
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this.textBoxStatus.Name = "textBoxStatus";
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this.textBoxStatus.Size = new System.Drawing.Size(125, 27);
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this.textBoxStatus.Size = new System.Drawing.Size(273, 27);
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this.textBoxStatus.TabIndex = 8;
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//
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// labelStatus
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@ -151,7 +151,7 @@
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this.comboBoxSubcategory.FormattingEnabled = true;
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this.comboBoxSubcategory.Location = new System.Drawing.Point(49, 413);
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this.comboBoxSubcategory.Name = "comboBoxSubcategory";
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this.comboBoxSubcategory.Size = new System.Drawing.Size(125, 28);
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this.comboBoxSubcategory.Size = new System.Drawing.Size(273, 28);
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this.comboBoxSubcategory.TabIndex = 15;
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//
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// comboBoxCategory
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@ -159,7 +159,7 @@
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this.comboBoxCategory.FormattingEnabled = true;
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this.comboBoxCategory.Location = new System.Drawing.Point(49, 351);
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this.comboBoxCategory.Name = "comboBoxCategory";
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this.comboBoxCategory.Size = new System.Drawing.Size(125, 28);
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this.comboBoxCategory.Size = new System.Drawing.Size(273, 28);
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this.comboBoxCategory.TabIndex = 16;
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//
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// comboBoxClient
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@ -167,14 +167,14 @@
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this.comboBoxClient.FormattingEnabled = true;
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this.comboBoxClient.Location = new System.Drawing.Point(49, 284);
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this.comboBoxClient.Name = "comboBoxClient";
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this.comboBoxClient.Size = new System.Drawing.Size(125, 28);
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this.comboBoxClient.Size = new System.Drawing.Size(273, 28);
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this.comboBoxClient.TabIndex = 17;
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//
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// CreateAdsForm
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//
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this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
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this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
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this.ClientSize = new System.Drawing.Size(228, 558);
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this.ClientSize = new System.Drawing.Size(370, 530);
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this.Controls.Add(this.comboBoxClient);
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this.Controls.Add(this.comboBoxCategory);
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this.Controls.Add(this.comboBoxSubcategory);
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@ -189,7 +189,7 @@
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this.Controls.Add(this.labelPrice);
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this.Controls.Add(this.textBoxHeading);
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this.Controls.Add(this.labelHeading);
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this.Controls.Add(this.button1);
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this.Controls.Add(this.buttonCreateAd);
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this.Name = "CreateAdsForm";
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this.Text = "Объявления";
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this.ResumeLayout(false);
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@ -199,7 +199,7 @@
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#endregion
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private Button button1;
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private Button buttonCreateAd;
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private Label labelHeading;
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private TextBox textBoxHeading;
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private TextBox textBoxPrice;
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@ -9,39 +9,61 @@ namespace WebsiteForPlacingAds
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{
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InitializeComponent();
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this.psd = psd;
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FillComboBox();
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LoadData();
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}
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private void button1_Click(object sender, EventArgs e)
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private void buttonCreateAd_Click(object sender, EventArgs e)
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{
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string[] client = comboBoxClient.SelectedItem.ToString().Split(" ");
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string[] category = comboBoxCategory.SelectedItem.ToString().Split(" ");
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string[] subcategory = comboBoxSubcategory.SelectedItem.ToString().Split(" ");
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psd.addAd(textBoxHeading.Text, int.Parse(textBoxPrice.Text), textBoxDate.Text, textBoxStatus.Text, int.Parse(client[0]), int.Parse(category[0]), int.Parse(subcategory[0]));
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string heading = textBoxHeading.Text;
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string price = textBoxPrice.Text;
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string date = textBoxDate.Text;
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string status = textBoxStatus.Text;
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string client_id = client[0];
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string category_id = category[0];
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string subcategory_id = subcategory[0];
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string query = $"INSERT INTO ads VALUES (nextval('seq_ads'), '{heading}', {price}, '{date}', '{status}', {client_id}, {category_id}, {subcategory_id})";
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try
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{
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psd.ExecuteNonQuery(query);
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MessageBox.Show("Äîáàâëåíî!");
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LoadData();
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}
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catch (Exception ex)
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{
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MessageBox.Show("Íå óäàëîñü äîáàâèòü");
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}
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}
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private void FillComboBox()
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private void LoadData()
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{
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DataTable result = psd.getAllCategories();
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comboBoxCategory.Items.Clear();
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comboBoxSubcategory.Items.Clear();
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comboBoxClient.Items.Clear();
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DataTable result = psd.ExecuteQuery("SELECT * FROM CATEGORIES");
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string[] id_names = new string[result.Rows.Count];
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for (int i = 0; i < result.Rows.Count; i++)
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{
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id_names[i] = result.Rows[i]["category_id"].ToString() + " " + (string)result.Rows[i]["name"];
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id_names[i] = result.Rows[i]["categories_id"].ToString() + ". " + (string)result.Rows[i]["name"];
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comboBoxCategory.Items.Add(id_names[i]);
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}
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result = psd.getAllSubcategories();
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result = psd.ExecuteQuery("SELECT * FROM SUBCATEGORIES");
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id_names = new string[result.Rows.Count];
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for (int i = 0; i < result.Rows.Count; i++)
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{
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id_names[i] = result.Rows[i]["subcategory_id"].ToString() + " " + (string)result.Rows[i]["name"];
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id_names[i] = result.Rows[i]["subcategories_id"].ToString() + ". " + (string)result.Rows[i]["name"];
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comboBoxSubcategory.Items.Add(id_names[i]);
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}
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result = psd.getAllClients();
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result = psd.ExecuteQuery("SELECT * FROM CLIENTS");
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string[] id_names_surnames = new string[result.Rows.Count];
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for (int i = 0; i < result.Rows.Count; i++)
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{
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id_names_surnames[i] = result.Rows[i]["client_id"].ToString() + " " +(string)result.Rows[i]["name"] + " " + (string)result.Rows[i]["surname"];
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id_names_surnames[i] = result.Rows[i]["clients_id"].ToString().Trim() + ". " + ((string)result.Rows[i]["name"]).Trim() + " " + ((string)result.Rows[i]["surname"]).Trim();
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comboBoxClient.Items.Add(id_names_surnames[i]);
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}
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}
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41
WebsiteForPlacingAds/WebsiteForPlacingAds/DatabaseLogic.cs
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41
WebsiteForPlacingAds/WebsiteForPlacingAds/DatabaseLogic.cs
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@ -0,0 +1,41 @@
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace WebsiteForPlacingAds
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{
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public class DatabaseLogic : IDatabaseLogic
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{
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private IDatabase database;
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public DatabaseLogic(IDatabase database)
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{
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this.database = database;
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}
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public Object getRowTableById(string tableName, string columnName, int id)
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{
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return database.ExecuteQuery($"SELECT {columnName} FROM {tableName} WHERE {tableName}_id = {id}").Rows[0][$"{columnName}"];
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}
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public DataTable getEntryById(string tableName, int id)
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{
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return database.ExecuteQuery($"SELECT * FROM {tableName} WHERE {tableName}_id = {id}");
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}
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public void ExecuteNonQuery(string query)
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{
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database.ExecuteNonQuery(query);
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}
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public DataTable ExecuteQuery(string query)
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{
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return database.ExecuteQuery(query);
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}
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public DataTable getAllEntry(string tableName)
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{
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return database.ExecuteQuery($"SELECT * FROM {tableName}");
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}
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}
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}
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private void InitializeComponent()
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{
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this.label1 = new System.Windows.Forms.Label();
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this.button1 = new System.Windows.Forms.Button();
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this.comboBox1 = new System.Windows.Forms.ComboBox();
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this.buttonDeleteAd = new System.Windows.Forms.Button();
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this.comboBoxDeleteAds = new System.Windows.Forms.ComboBox();
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this.SuspendLayout();
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//
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// label1
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//
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this.label1.AutoSize = true;
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this.label1.Location = new System.Drawing.Point(40, 23);
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this.label1.Location = new System.Drawing.Point(80, 22);
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this.label1.Name = "label1";
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this.label1.Size = new System.Drawing.Size(338, 20);
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this.label1.TabIndex = 0;
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this.label1.Text = "Выберите объявление, которое хотите удалить";
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//
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// button1
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// buttonDeleteAd
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//
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this.button1.Location = new System.Drawing.Point(136, 117);
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this.button1.Name = "button1";
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this.button1.Size = new System.Drawing.Size(132, 55);
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this.button1.TabIndex = 1;
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this.button1.Text = "Удалить";
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this.button1.UseVisualStyleBackColor = true;
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this.buttonDeleteAd.Location = new System.Drawing.Point(151, 113);
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this.buttonDeleteAd.Name = "buttonDeleteAd";
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this.buttonDeleteAd.Size = new System.Drawing.Size(186, 37);
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this.buttonDeleteAd.TabIndex = 1;
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this.buttonDeleteAd.Text = "Удалить";
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this.buttonDeleteAd.UseVisualStyleBackColor = true;
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this.buttonDeleteAd.Click += new System.EventHandler(this.buttonDeleteAd_Click);
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//
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// comboBox1
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// comboBoxDeleteAds
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//
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this.comboBox1.FormattingEnabled = true;
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this.comboBox1.Location = new System.Drawing.Point(40, 64);
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this.comboBox1.Name = "comboBox1";
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this.comboBox1.Size = new System.Drawing.Size(338, 28);
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this.comboBox1.TabIndex = 2;
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this.comboBoxDeleteAds.FormattingEnabled = true;
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this.comboBoxDeleteAds.Location = new System.Drawing.Point(40, 64);
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this.comboBoxDeleteAds.Name = "comboBoxDeleteAds";
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this.comboBoxDeleteAds.Size = new System.Drawing.Size(419, 28);
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this.comboBoxDeleteAds.TabIndex = 2;
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//
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// UpdateAdsForm
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// DeleteAdsForm
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//
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this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
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this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
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this.ClientSize = new System.Drawing.Size(415, 216);
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this.Controls.Add(this.comboBox1);
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this.Controls.Add(this.button1);
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this.ClientSize = new System.Drawing.Size(505, 175);
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this.Controls.Add(this.comboBoxDeleteAds);
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this.Controls.Add(this.buttonDeleteAd);
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this.Controls.Add(this.label1);
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this.Name = "UpdateAdsForm";
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this.Text = "UpdateAdsForm";
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this.Name = "DeleteAdsForm";
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this.Text = "Удалить объявление";
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this.ResumeLayout(false);
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this.PerformLayout();
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@ -77,7 +78,7 @@
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#endregion
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private Label label1;
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private Button button1;
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private ComboBox comboBox1;
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private Button buttonDeleteAd;
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private ComboBox comboBoxDeleteAds;
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}
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}
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@ -12,9 +12,52 @@ namespace WebsiteForPlacingAds
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{
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public partial class DeleteAdsForm : Form
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{
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public DeleteAdsForm()
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PostgreSqlDatabase psd;
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private int setval_seq;
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public DeleteAdsForm(PostgreSqlDatabase psd)
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{
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InitializeComponent();
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this.psd = psd;
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LoadData();
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}
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private void buttonDeleteAd_Click(object sender, EventArgs e)
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{
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string[] ads = comboBoxDeleteAds.SelectedItem.ToString().Split("|");
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string ad_id = ads[0].Trim();
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string query = $"DELETE FROM ADS WHERE ads_id = {ad_id}";
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string query_seq_reduction = $"SELECT setval('seq_ads', {setval_seq - 1});";
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try
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{
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psd.ExecuteNonQuery(query);
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psd.ExecuteNonQuery(query_seq_reduction);
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MessageBox.Show("Удалено!");
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LoadData();
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}
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catch (Exception ex)
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{
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MessageBox.Show("Не удалось удалить");
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}
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}
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public void LoadData()
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{
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comboBoxDeleteAds.Items.Clear();
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DataTable result = psd.ExecuteQuery("SELECT * FROM ADS");
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setval_seq = result.Rows.Count;
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string Ads = "";
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for (int i = 0; i < result.Rows.Count; i++)
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{
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Ads = result.Rows[i]["ads_id"].ToString() + " | " +
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(string)result.Rows[i]["heading"] + " | " +
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result.Rows[i]["price"].ToString() + " | " +
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((DateTime)result.Rows[i]["date_of_placement"]).ToString("d") + " | " +
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(string)result.Rows[i]["status"] + " | " +
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result.Rows[i]["id_client"].ToString() + " | " +
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result.Rows[i]["id_category"].ToString() + " | " +
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result.Rows[i]["id_subcategory"].ToString() + "\n";
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comboBoxDeleteAds.Items.Add(Ads);
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}
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}
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}
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}
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18
WebsiteForPlacingAds/WebsiteForPlacingAds/IDatabase.cs
Normal file
18
WebsiteForPlacingAds/WebsiteForPlacingAds/IDatabase.cs
Normal file
@ -0,0 +1,18 @@
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using Npgsql;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Data;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace WebsiteForPlacingAds
|
||||
{
|
||||
public interface IDatabase
|
||||
{
|
||||
|
||||
public DataTable ExecuteQuery(string query);
|
||||
|
||||
public void ExecuteNonQuery(string query);
|
||||
}
|
||||
}
|
18
WebsiteForPlacingAds/WebsiteForPlacingAds/IDatabaseLogic.cs
Normal file
18
WebsiteForPlacingAds/WebsiteForPlacingAds/IDatabaseLogic.cs
Normal file
@ -0,0 +1,18 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Data;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace WebsiteForPlacingAds
|
||||
{
|
||||
public interface IDatabaseLogic
|
||||
{
|
||||
public DataTable getEntryById(string tableName, int id);
|
||||
public Object getRowTableById(string tableName, string columnName, int id);
|
||||
public DataTable ExecuteQuery(string query);
|
||||
public void ExecuteNonQuery(string query);
|
||||
DataTable getAllEntry(string tableName);
|
||||
}
|
||||
}
|
@ -29,33 +29,35 @@
|
||||
private void InitializeComponent()
|
||||
{
|
||||
this.label1 = new System.Windows.Forms.Label();
|
||||
this.label2 = new System.Windows.Forms.Label();
|
||||
this.labelListAds = new System.Windows.Forms.Label();
|
||||
this.SuspendLayout();
|
||||
//
|
||||
// label1
|
||||
//
|
||||
this.label1.AutoSize = true;
|
||||
this.label1.BackColor = System.Drawing.SystemColors.Control;
|
||||
this.label1.Font = new System.Drawing.Font("Segoe UI", 11F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
|
||||
this.label1.Location = new System.Drawing.Point(12, 9);
|
||||
this.label1.Name = "label1";
|
||||
this.label1.Size = new System.Drawing.Size(149, 20);
|
||||
this.label1.Size = new System.Drawing.Size(186, 25);
|
||||
this.label1.TabIndex = 0;
|
||||
this.label1.Text = "Список объявлений";
|
||||
//
|
||||
// label2
|
||||
// labelListAds
|
||||
//
|
||||
this.label2.AutoSize = true;
|
||||
this.label2.Location = new System.Drawing.Point(12, 47);
|
||||
this.label2.Name = "label2";
|
||||
this.label2.Size = new System.Drawing.Size(0, 20);
|
||||
this.label2.TabIndex = 1;
|
||||
this.label2.Click += new System.EventHandler(this.label2_Click);
|
||||
this.labelListAds.AutoSize = true;
|
||||
this.labelListAds.Font = new System.Drawing.Font("Segoe UI", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
|
||||
this.labelListAds.Location = new System.Drawing.Point(12, 47);
|
||||
this.labelListAds.Name = "labelListAds";
|
||||
this.labelListAds.Size = new System.Drawing.Size(0, 23);
|
||||
this.labelListAds.TabIndex = 1;
|
||||
//
|
||||
// ListAdsForm
|
||||
//
|
||||
this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
|
||||
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
|
||||
this.ClientSize = new System.Drawing.Size(800, 450);
|
||||
this.Controls.Add(this.label2);
|
||||
this.Controls.Add(this.labelListAds);
|
||||
this.Controls.Add(this.label1);
|
||||
this.Name = "ListAdsForm";
|
||||
this.Text = "ListAdsForm";
|
||||
@ -67,6 +69,6 @@
|
||||
#endregion
|
||||
|
||||
private Label label1;
|
||||
private Label label2;
|
||||
private Label labelListAds;
|
||||
}
|
||||
}
|
@ -7,20 +7,36 @@ using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
using System.Windows.Forms;
|
||||
using System.Windows.Forms.VisualStyles;
|
||||
|
||||
namespace WebsiteForPlacingAds
|
||||
{
|
||||
public partial class ListAdsForm : Form
|
||||
{
|
||||
public ListAdsForm()
|
||||
PostgreSqlDatabase psd;
|
||||
public ListAdsForm(PostgreSqlDatabase psd)
|
||||
{
|
||||
InitializeComponent();
|
||||
this.psd = psd;
|
||||
LoadData();
|
||||
}
|
||||
|
||||
private void label2_Click(object sender, EventArgs e)
|
||||
private void LoadData()
|
||||
{
|
||||
string s = "Первое объявление\nВторое объявление";
|
||||
label2.Text = s;
|
||||
DataTable result = psd.ExecuteQuery("SELECT * FROM ADS");
|
||||
string listAds = "";
|
||||
for (int i = 0; i < result.Rows.Count; i++)
|
||||
{
|
||||
listAds += result.Rows[i]["ads_id"].ToString() + " | " +
|
||||
(string)result.Rows[i]["heading"] + " | " +
|
||||
result.Rows[i]["price"].ToString() + " | " +
|
||||
((DateTime)result.Rows[i]["date_of_placement"]).ToString("d") + " | " +
|
||||
(string)result.Rows[i]["status"] + " | " +
|
||||
result.Rows[i]["id_client"].ToString() + " | " +
|
||||
result.Rows[i]["id_category"].ToString() + " | " +
|
||||
result.Rows[i]["id_subcategory"].ToString() + "\n";
|
||||
}
|
||||
labelListAds.Text = listAds;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -12,11 +12,14 @@ namespace WebsiteForPlacingAds
|
||||
{
|
||||
public partial class MainForm : Form
|
||||
{
|
||||
PostgreSqlDatabase psd;
|
||||
IDatabase psd;
|
||||
IDatabaseLogic databaseLogic;
|
||||
|
||||
public MainForm()
|
||||
{
|
||||
InitializeComponent();
|
||||
psd = new PostgreSqlDatabase("Server=localhost;Port=5432;User Id=postgres;Password=aswdqq;Database=alina_refactor;");
|
||||
psd = new PostgreSqlDatabase("Server=localhost;Port=5432;User Id=postgres;Password=12345678;Database=AlinaDatabase1;");
|
||||
databaseLogic = new DatabaseLogic(psd);
|
||||
}
|
||||
|
||||
private void списокКлиентвToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
@ -36,25 +39,25 @@ namespace WebsiteForPlacingAds
|
||||
|
||||
private void создатьОбъявлениеToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
CreateAdsForm caf = new CreateAdsForm(psd);
|
||||
CreateAdsForm caf = new CreateAdsForm((PostgreSqlDatabase)psd);
|
||||
caf.Show();
|
||||
}
|
||||
|
||||
private void удалитьОбъявлениеToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
UpdateAdsForm daf = new UpdateAdsForm();
|
||||
daf.Show();
|
||||
DeleteAdsForm uaf = new DeleteAdsForm((PostgreSqlDatabase)psd);
|
||||
uaf.Show();
|
||||
}
|
||||
|
||||
private void изменитьОбъявлениеэToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
DeleteAdsForm uaf = new DeleteAdsForm();
|
||||
uaf.Show();
|
||||
UpdateAdsForm daf = new UpdateAdsForm(databaseLogic);
|
||||
daf.Show();
|
||||
}
|
||||
|
||||
private void списокОбъявленийToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
ListAdsForm laf = new ListAdsForm();
|
||||
ListAdsForm laf = new ListAdsForm((PostgreSqlDatabase)psd);
|
||||
laf.Show();
|
||||
}
|
||||
}
|
||||
|
@ -1,16 +1,40 @@
|
||||
using System;
|
||||
using Npgsql;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Data;
|
||||
using System.Diagnostics;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
using static System.Windows.Forms.VisualStyles.VisualStyleElement;
|
||||
|
||||
namespace WebsiteForPlacingAds
|
||||
{
|
||||
public class PostgreSqlDatabase : AbstractDatabase
|
||||
public class PostgreSqlDatabase : IDatabase
|
||||
{
|
||||
public PostgreSqlDatabase(string connectionString) : base(connectionString)
|
||||
protected NpgsqlConnection connection;
|
||||
public PostgreSqlDatabase(string connectionString)
|
||||
{
|
||||
connection = new NpgsqlConnection(connectionString);
|
||||
}
|
||||
|
||||
public DataTable ExecuteQuery(string query)
|
||||
{
|
||||
connection.Open();
|
||||
NpgsqlCommand command = new NpgsqlCommand(query, connection);
|
||||
NpgsqlDataAdapter adapter = new NpgsqlDataAdapter(command);
|
||||
DataTable result = new DataTable();
|
||||
adapter.Fill(result);
|
||||
connection.Close();
|
||||
return result;
|
||||
}
|
||||
|
||||
public void ExecuteNonQuery(string query)
|
||||
{
|
||||
connection.Open();
|
||||
NpgsqlCommand command = new NpgsqlCommand(query, connection);
|
||||
command.ExecuteNonQuery();
|
||||
connection.Close();
|
||||
}
|
||||
|
||||
public void addAd(string heading, int price, string date, string status, int id_client, int id_category, int id_subcategory)
|
||||
@ -58,5 +82,24 @@ namespace WebsiteForPlacingAds
|
||||
string query = $"SELECT * FROM clients where id = {id_client}";
|
||||
return ExecuteQuery(query);
|
||||
}
|
||||
|
||||
public DataTable getFullList()
|
||||
{
|
||||
throw new NotImplementedException();
|
||||
}
|
||||
public void Create(string query)
|
||||
{
|
||||
ExecuteNonQuery(query);
|
||||
}
|
||||
|
||||
public void Update()
|
||||
{
|
||||
throw new NotImplementedException();
|
||||
}
|
||||
|
||||
public void Delete()
|
||||
{
|
||||
throw new NotImplementedException();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -28,12 +28,215 @@
|
||||
/// </summary>
|
||||
private void InitializeComponent()
|
||||
{
|
||||
this.components = new System.ComponentModel.Container();
|
||||
this.comboBoxClient = new System.Windows.Forms.ComboBox();
|
||||
this.comboBoxCategory = new System.Windows.Forms.ComboBox();
|
||||
this.comboBoxSubcategory = new System.Windows.Forms.ComboBox();
|
||||
this.labelClient = new System.Windows.Forms.Label();
|
||||
this.labelSubcategory = new System.Windows.Forms.Label();
|
||||
this.labelCategory = new System.Windows.Forms.Label();
|
||||
this.textBoxStatus = new System.Windows.Forms.TextBox();
|
||||
this.labelStatus = new System.Windows.Forms.Label();
|
||||
this.textBoxDate = new System.Windows.Forms.TextBox();
|
||||
this.labelDate = new System.Windows.Forms.Label();
|
||||
this.textBoxPrice = new System.Windows.Forms.TextBox();
|
||||
this.labelPrice = new System.Windows.Forms.Label();
|
||||
this.textBoxHeading = new System.Windows.Forms.TextBox();
|
||||
this.labelHeading = new System.Windows.Forms.Label();
|
||||
this.buttonUpdateAd = new System.Windows.Forms.Button();
|
||||
this.label1 = new System.Windows.Forms.Label();
|
||||
this.comboBoxUpdateAd = new System.Windows.Forms.ComboBox();
|
||||
this.SuspendLayout();
|
||||
//
|
||||
// comboBoxClient
|
||||
//
|
||||
this.comboBoxClient.FormattingEnabled = true;
|
||||
this.comboBoxClient.Location = new System.Drawing.Point(93, 371);
|
||||
this.comboBoxClient.Name = "comboBoxClient";
|
||||
this.comboBoxClient.Size = new System.Drawing.Size(273, 28);
|
||||
this.comboBoxClient.TabIndex = 32;
|
||||
//
|
||||
// comboBoxCategory
|
||||
//
|
||||
this.comboBoxCategory.FormattingEnabled = true;
|
||||
this.comboBoxCategory.Location = new System.Drawing.Point(93, 438);
|
||||
this.comboBoxCategory.Name = "comboBoxCategory";
|
||||
this.comboBoxCategory.Size = new System.Drawing.Size(273, 28);
|
||||
this.comboBoxCategory.TabIndex = 31;
|
||||
//
|
||||
// comboBoxSubcategory
|
||||
//
|
||||
this.comboBoxSubcategory.FormattingEnabled = true;
|
||||
this.comboBoxSubcategory.Location = new System.Drawing.Point(93, 500);
|
||||
this.comboBoxSubcategory.Name = "comboBoxSubcategory";
|
||||
this.comboBoxSubcategory.Size = new System.Drawing.Size(273, 28);
|
||||
this.comboBoxSubcategory.TabIndex = 30;
|
||||
//
|
||||
// labelClient
|
||||
//
|
||||
this.labelClient.AutoSize = true;
|
||||
this.labelClient.Location = new System.Drawing.Point(93, 348);
|
||||
this.labelClient.Name = "labelClient";
|
||||
this.labelClient.Size = new System.Drawing.Size(58, 20);
|
||||
this.labelClient.TabIndex = 29;
|
||||
this.labelClient.Text = "Клиент";
|
||||
//
|
||||
// labelSubcategory
|
||||
//
|
||||
this.labelSubcategory.AutoSize = true;
|
||||
this.labelSubcategory.Location = new System.Drawing.Point(93, 477);
|
||||
this.labelSubcategory.Name = "labelSubcategory";
|
||||
this.labelSubcategory.Size = new System.Drawing.Size(107, 20);
|
||||
this.labelSubcategory.TabIndex = 28;
|
||||
this.labelSubcategory.Text = "Подкатегория";
|
||||
//
|
||||
// labelCategory
|
||||
//
|
||||
this.labelCategory.AutoSize = true;
|
||||
this.labelCategory.Location = new System.Drawing.Point(93, 415);
|
||||
this.labelCategory.Name = "labelCategory";
|
||||
this.labelCategory.Size = new System.Drawing.Size(81, 20);
|
||||
this.labelCategory.TabIndex = 27;
|
||||
this.labelCategory.Text = "Категория";
|
||||
//
|
||||
// textBoxStatus
|
||||
//
|
||||
this.textBoxStatus.Location = new System.Drawing.Point(93, 308);
|
||||
this.textBoxStatus.Name = "textBoxStatus";
|
||||
this.textBoxStatus.Size = new System.Drawing.Size(273, 27);
|
||||
this.textBoxStatus.TabIndex = 26;
|
||||
//
|
||||
// labelStatus
|
||||
//
|
||||
this.labelStatus.AutoSize = true;
|
||||
this.labelStatus.Location = new System.Drawing.Point(93, 285);
|
||||
this.labelStatus.Name = "labelStatus";
|
||||
this.labelStatus.Size = new System.Drawing.Size(52, 20);
|
||||
this.labelStatus.TabIndex = 25;
|
||||
this.labelStatus.Text = "Статус";
|
||||
//
|
||||
// textBoxDate
|
||||
//
|
||||
this.textBoxDate.Location = new System.Drawing.Point(93, 245);
|
||||
this.textBoxDate.Name = "textBoxDate";
|
||||
this.textBoxDate.Size = new System.Drawing.Size(273, 27);
|
||||
this.textBoxDate.TabIndex = 24;
|
||||
//
|
||||
// labelDate
|
||||
//
|
||||
this.labelDate.AutoSize = true;
|
||||
this.labelDate.Location = new System.Drawing.Point(93, 222);
|
||||
this.labelDate.Name = "labelDate";
|
||||
this.labelDate.Size = new System.Drawing.Size(134, 20);
|
||||
this.labelDate.TabIndex = 23;
|
||||
this.labelDate.Text = "Дата размещения";
|
||||
//
|
||||
// textBoxPrice
|
||||
//
|
||||
this.textBoxPrice.Location = new System.Drawing.Point(93, 183);
|
||||
this.textBoxPrice.Name = "textBoxPrice";
|
||||
this.textBoxPrice.Size = new System.Drawing.Size(273, 27);
|
||||
this.textBoxPrice.TabIndex = 22;
|
||||
//
|
||||
// labelPrice
|
||||
//
|
||||
this.labelPrice.AutoSize = true;
|
||||
this.labelPrice.Location = new System.Drawing.Point(93, 160);
|
||||
this.labelPrice.Name = "labelPrice";
|
||||
this.labelPrice.Size = new System.Drawing.Size(45, 20);
|
||||
this.labelPrice.TabIndex = 21;
|
||||
this.labelPrice.Text = "Цена";
|
||||
//
|
||||
// textBoxHeading
|
||||
//
|
||||
this.textBoxHeading.Location = new System.Drawing.Point(93, 121);
|
||||
this.textBoxHeading.Name = "textBoxHeading";
|
||||
this.textBoxHeading.Size = new System.Drawing.Size(273, 27);
|
||||
this.textBoxHeading.TabIndex = 20;
|
||||
//
|
||||
// labelHeading
|
||||
//
|
||||
this.labelHeading.AutoSize = true;
|
||||
this.labelHeading.Location = new System.Drawing.Point(93, 98);
|
||||
this.labelHeading.Name = "labelHeading";
|
||||
this.labelHeading.Size = new System.Drawing.Size(81, 20);
|
||||
this.labelHeading.TabIndex = 19;
|
||||
this.labelHeading.Text = "Заголовок";
|
||||
//
|
||||
// buttonUpdateAd
|
||||
//
|
||||
this.buttonUpdateAd.Location = new System.Drawing.Point(93, 543);
|
||||
this.buttonUpdateAd.Name = "buttonUpdateAd";
|
||||
this.buttonUpdateAd.Size = new System.Drawing.Size(273, 39);
|
||||
this.buttonUpdateAd.TabIndex = 18;
|
||||
this.buttonUpdateAd.Text = "Изменить объявление";
|
||||
this.buttonUpdateAd.UseVisualStyleBackColor = true;
|
||||
this.buttonUpdateAd.Click += new System.EventHandler(this.buttonUpdateAd_Click);
|
||||
//
|
||||
// label1
|
||||
//
|
||||
this.label1.AutoSize = true;
|
||||
this.label1.Location = new System.Drawing.Point(58, 20);
|
||||
this.label1.Name = "label1";
|
||||
this.label1.Size = new System.Drawing.Size(338, 20);
|
||||
this.label1.TabIndex = 33;
|
||||
this.label1.Text = "Выберите объявление, которое хотите удалить";
|
||||
//
|
||||
// comboBoxUpdateAd
|
||||
//
|
||||
this.comboBoxUpdateAd.FormattingEnabled = true;
|
||||
this.comboBoxUpdateAd.Location = new System.Drawing.Point(12, 52);
|
||||
this.comboBoxUpdateAd.Name = "comboBoxUpdateAd";
|
||||
this.comboBoxUpdateAd.Size = new System.Drawing.Size(430, 28);
|
||||
this.comboBoxUpdateAd.TabIndex = 34;
|
||||
this.comboBoxUpdateAd.SelectedIndexChanged += new System.EventHandler(this.comboBoxUpdateAd_SelectedIndexChanged);
|
||||
//
|
||||
// UpdateAdsForm
|
||||
//
|
||||
this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
|
||||
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
|
||||
this.ClientSize = new System.Drawing.Size(800, 450);
|
||||
this.Text = "DeleteAdsForm";
|
||||
this.ClientSize = new System.Drawing.Size(454, 618);
|
||||
this.Controls.Add(this.comboBoxUpdateAd);
|
||||
this.Controls.Add(this.label1);
|
||||
this.Controls.Add(this.comboBoxClient);
|
||||
this.Controls.Add(this.comboBoxCategory);
|
||||
this.Controls.Add(this.comboBoxSubcategory);
|
||||
this.Controls.Add(this.labelClient);
|
||||
this.Controls.Add(this.labelSubcategory);
|
||||
this.Controls.Add(this.labelCategory);
|
||||
this.Controls.Add(this.textBoxStatus);
|
||||
this.Controls.Add(this.labelStatus);
|
||||
this.Controls.Add(this.textBoxDate);
|
||||
this.Controls.Add(this.labelDate);
|
||||
this.Controls.Add(this.textBoxPrice);
|
||||
this.Controls.Add(this.labelPrice);
|
||||
this.Controls.Add(this.textBoxHeading);
|
||||
this.Controls.Add(this.labelHeading);
|
||||
this.Controls.Add(this.buttonUpdateAd);
|
||||
this.Name = "UpdateAdsForm";
|
||||
this.Text = "Обновить объявление";
|
||||
this.ResumeLayout(false);
|
||||
this.PerformLayout();
|
||||
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
private ComboBox comboBoxClient;
|
||||
private ComboBox comboBoxCategory;
|
||||
private ComboBox comboBoxSubcategory;
|
||||
private Label labelClient;
|
||||
private Label labelSubcategory;
|
||||
private Label labelCategory;
|
||||
private TextBox textBoxStatus;
|
||||
private Label labelStatus;
|
||||
private TextBox textBoxDate;
|
||||
private Label labelDate;
|
||||
private TextBox textBoxPrice;
|
||||
private Label labelPrice;
|
||||
private TextBox textBoxHeading;
|
||||
private Label labelHeading;
|
||||
private Button buttonUpdateAd;
|
||||
private Label label1;
|
||||
private ComboBox comboBoxUpdateAd;
|
||||
}
|
||||
}
|
@ -12,9 +12,132 @@ namespace WebsiteForPlacingAds
|
||||
{
|
||||
public partial class UpdateAdsForm : Form
|
||||
{
|
||||
public UpdateAdsForm()
|
||||
//PostgreSqlDatabase psd;
|
||||
IDatabaseLogic databaseLogic;
|
||||
public UpdateAdsForm(IDatabaseLogic databaseLogic)
|
||||
{
|
||||
InitializeComponent();
|
||||
this.databaseLogic = databaseLogic;
|
||||
LoadData();
|
||||
}
|
||||
|
||||
private void buttonUpdateAd_Click(object sender, EventArgs e)
|
||||
{
|
||||
string[] selectedAds = comboBoxUpdateAd.SelectedItem.ToString().Split("|");
|
||||
int ads_id = int.Parse(selectedAds[0].Trim());
|
||||
|
||||
string query = $"UPDATE ads SET ";
|
||||
int len = query.Length;
|
||||
|
||||
|
||||
string oldHeading = databaseLogic.getRowTableById("ads", "heading", ads_id).ToString();
|
||||
string oldPrice = databaseLogic.getRowTableById("ads", "heading", ads_id).ToString();
|
||||
string oldDate = ((DateTime)databaseLogic.getRowTableById("ads", "date_of_placement", ads_id)).ToString("dd.MM.yyyy");
|
||||
string oldStatus = databaseLogic.getRowTableById("ads", "status", ads_id).ToString();
|
||||
string[] oldClient = databaseLogic.getRowTableById("ads", "id_client", ads_id).ToString().Split(" ");
|
||||
string[] oldCategory = databaseLogic.getRowTableById("ads", "id_category", ads_id).ToString().Split(" ");
|
||||
string[] oldSubcategory = databaseLogic.getRowTableById("ads", "id_subcategory", ads_id).ToString().Split(" ");
|
||||
|
||||
string newHeading = textBoxHeading.Text;
|
||||
string newPrice = textBoxPrice.Text;
|
||||
string newDate = textBoxDate.Text;
|
||||
string newStatus = textBoxStatus.Text;
|
||||
string[] newClient = comboBoxClient.SelectedItem.ToString().Split(" ");
|
||||
string[] newCategory = comboBoxCategory.SelectedItem.ToString().Split(" ");
|
||||
string[] newSubcategory = comboBoxSubcategory.SelectedItem.ToString().Split(" ");
|
||||
|
||||
|
||||
query = oldHeading == newHeading ? query : query + $"heading = '{newHeading}', ";
|
||||
query = oldPrice == newPrice ? query : query + $"price = {newPrice}, ";
|
||||
query = oldDate == newDate ? query : query + $"date_of_placement = '{newDate}', ";
|
||||
query = oldStatus == newStatus ? query : query + $"status = '{newStatus}', ";
|
||||
query = oldClient[0].Trim() == newClient[0].Trim() ? query : query + $"id_client = '{newClient[0].Substring(0, newClient[0].IndexOf("."))}', ";
|
||||
query = oldCategory[0].Trim() == newCategory[0].Trim() ? query : query + $"id_category = '{newCategory[0].Substring(0, newCategory[0].IndexOf("."))}', ";
|
||||
query = oldSubcategory[0].Trim() == newSubcategory[0].Trim() ? query : query + $"id_subcategory = '{newSubcategory[0].Substring(0, newSubcategory[0].IndexOf("."))}', ";
|
||||
|
||||
if (len != query.Length)
|
||||
{
|
||||
query = query.TrimEnd(' ');
|
||||
query = query.TrimEnd(',');
|
||||
query += $" WHERE ADS_ID = {ads_id};";
|
||||
}
|
||||
try
|
||||
{
|
||||
databaseLogic.ExecuteNonQuery(query);
|
||||
MessageBox.Show("Данные успешно обновлены!");
|
||||
}
|
||||
catch (Exception)
|
||||
{
|
||||
|
||||
MessageBox.Show("Данные не обновились");
|
||||
}
|
||||
|
||||
}
|
||||
public void LoadData()
|
||||
{
|
||||
comboBoxUpdateAd.Items.Clear();
|
||||
DataTable result = databaseLogic.getAllEntry("Ads");
|
||||
string Ads = "";
|
||||
for (int i = 0; i < result.Rows.Count; i++)
|
||||
{
|
||||
Ads = result.Rows[i]["ads_id"].ToString() + " | " +
|
||||
(string)result.Rows[i]["heading"] + " | " +
|
||||
result.Rows[i]["price"].ToString() + " | " +
|
||||
((DateTime)result.Rows[i]["date_of_placement"]).ToString("dd.MM.yyyy") + " | " +
|
||||
(string)result.Rows[i]["status"] + " | " +
|
||||
result.Rows[i]["id_client"].ToString() + " | " +
|
||||
result.Rows[i]["id_category"].ToString() + " | " +
|
||||
result.Rows[i]["id_subcategory"].ToString() + "\n";
|
||||
comboBoxUpdateAd.Items.Add(Ads);
|
||||
}
|
||||
comboBoxCategory.Items.Clear();
|
||||
comboBoxSubcategory.Items.Clear();
|
||||
comboBoxClient.Items.Clear();
|
||||
result = databaseLogic.getAllEntry("Categories");
|
||||
string[] id_names = new string[result.Rows.Count];
|
||||
for (int i = 0; i < result.Rows.Count; i++)
|
||||
{
|
||||
id_names[i] = result.Rows[i]["categories_id"].ToString() + ". " + (string)result.Rows[i]["name"];
|
||||
comboBoxCategory.Items.Add(id_names[i]);
|
||||
}
|
||||
result = databaseLogic.getAllEntry("Subcategories");
|
||||
id_names = new string[result.Rows.Count];
|
||||
for (int i = 0; i < result.Rows.Count; i++)
|
||||
{
|
||||
id_names[i] = result.Rows[i]["subcategories_id"].ToString() + ". " + (string)result.Rows[i]["name"];
|
||||
comboBoxSubcategory.Items.Add(id_names[i]);
|
||||
}
|
||||
result = databaseLogic.getAllEntry("Clients");
|
||||
string[] id_names_surnames = new string[result.Rows.Count];
|
||||
for (int i = 0; i < result.Rows.Count; i++)
|
||||
{
|
||||
id_names_surnames[i] = result.Rows[i]["clients_id"].ToString().Trim() + ". " + ((string)result.Rows[i]["name"]).Trim() + " " + ((string)result.Rows[i]["surname"]).Trim();
|
||||
comboBoxClient.Items.Add(id_names_surnames[i]);
|
||||
}
|
||||
}
|
||||
public void LoadDataSelectedItem(int ads_id)
|
||||
{
|
||||
DataTable result = databaseLogic.getEntryById("ads", ads_id);
|
||||
textBoxHeading.Text = (string)result.Rows[0]["heading"];
|
||||
textBoxPrice.Text = result.Rows[0]["price"].ToString();
|
||||
textBoxDate.Text = ((DateTime)result.Rows[0]["date_of_placement"]).ToString("dd.MM.yyyy");
|
||||
textBoxStatus.Text = (string)result.Rows[0]["status"];
|
||||
|
||||
comboBoxCategory.SelectedItem = result.Rows[0]["id_category"].ToString() + ". " + databaseLogic.getRowTableById("categories", "name", Convert.ToInt32(result.Rows[0]["id_category"])).ToString();
|
||||
|
||||
comboBoxSubcategory.SelectedItem = result.Rows[0]["id_subcategory"].ToString() + ". " + databaseLogic.getRowTableById("subcategories", "name", Convert.ToInt32(result.Rows[0]["id_subcategory"])).ToString();
|
||||
|
||||
comboBoxClient.SelectedItem = result.Rows[0]["id_client"].ToString().Trim() + ". " +
|
||||
databaseLogic.getRowTableById("clients", "name", Convert.ToInt32(result.Rows[0]["id_client"])).ToString().Trim() + " " +
|
||||
databaseLogic.getRowTableById("clients", "surname", Convert.ToInt32(result.Rows[0]["id_client"])).ToString().Trim();
|
||||
|
||||
}
|
||||
|
||||
private void comboBoxUpdateAd_SelectedIndexChanged(object sender, EventArgs e)
|
||||
{
|
||||
string[] selectedItems = comboBoxUpdateAd.SelectedItem.ToString().Split("|");
|
||||
int ads_id = int.Parse(selectedItems[0].Trim());
|
||||
LoadDataSelectedItem(ads_id);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user