Fixed #11 - Auto-create Project.Connections and UserSettings.Connections when project is loaded.

Author: JoshMcCullough

Source/Core/ProjectSchema/Connection.cs

@@ -69,7 +69,7 @@ public string GetDescription()
             const string dataSourceKey = "Data Source";
             const string initialCatalogKey = "Initial Catalog";
 
-            string[] parts = this.ConnectionString?.Split(';');
+            string[] parts = this.ConnectionString?.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
             Dictionary<string, string> info = parts?.Select(o => o.Split('=')).ToDictionary(o => o[0].Trim(), o => o[1].Trim());
             string dataSource = "Unknown";
             string initialCatalog = "Unknown";

Source/Core/ProjectSchema/ConnectionInfo.cs

@@ -1,9 +1,4 @@
-using QuantumConcepts.CodeGenerator.Core.Data;
-using QuantumConcepts.CodeGenerator.Core.Exceptions;
-using QuantumConcepts.Common.Extensions;
-using System;
 using System.Collections.Generic;
-using System.Data;
 using System.Linq;
 using System.Xml.Serialization;
 
@@ -34,6 +29,11 @@ public void JoinToParent(Project project)
             this.Attributes.ForEach(o => o.JoinToParent(this));
         }
 
+        public Connection GetConnection()
+        {
+            return this.ContainingProject.UserSettings.Connections.SingleOrDefault(o => string.Equals(this.Name, o.Name));
+        }
+
         public override string ToString()
         {
             return this.Name;

Source/Core/ProjectSchema/Project.cs

@@ -1,16 +1,12 @@
+using QuantumConcepts.CodeGenerator.Core.Utils;
+using QuantumConcepts.Common.Extensions;
 using System;
 using System.Collections.Generic;
-using System.Text;
-using System.Xml.Serialization;
-using QuantumConcepts.CodeGenerator.Core.Utils;
 using System.IO;
-using System.Xml;
-using System.Xml.XPath;
 using System.Linq;
-using QuantumConcepts.Common.Extensions;
+using System.Xml;
 using System.Xml.Linq;
-using QuantumConcepts.Common.Utils;
-using QuantumConcepts.CodeGenerator.Core.Upgrade;
+using System.Xml.Serialization;
 
 namespace QuantumConcepts.CodeGenerator.Core.ProjectSchema
 {
@@ -122,6 +118,8 @@ public XDocument GetXDocument(out XmlNamespaceManager nsm)
 
         private void Initialize()
         {
+            EnsureConnectionsExist();
+
             this.UserSettings.JoinToProject(this);
             this.Connections.ForEach(o => o.JoinToParent(this));
             this.DataTypeMappings.ForEach(o => o.JoinToProject(this));
@@ -131,6 +129,25 @@ private void Initialize()
             this.ForeignKeyMappings.ForEach(o => o.JoinToProject(this));
         }
 
+        private void EnsureConnectionsExist()
+        {
+            var connectionNames = this.Connections.Select(o => o.Name).Union(this.UserSettings.Connections.Select(o => o.Name)).Distinct().ToList();
+
+            this.Connections.AddRange((from name in connectionNames
+                                       where !this.Connections.Any(o => string.Equals(o.Name, name))
+                                       select new ConnectionInfo
+                                       {
+                                           Name = name
+                                       }));
+
+            this.UserSettings.Connections.AddRange((from name in connectionNames
+                                                    where !this.UserSettings.Connections.Any(o => string.Equals(o.Name, name))
+                                                    select new Connection
+                                                    {
+                                                        Name = name
+                                                    }));
+        }
+
         public DataTypeMapping FindDataTypeMapping(string databaseDataType)
         {
             return this.DataTypeMappings.SingleOrDefault(o => o.DatabaseDataType.EqualsIgnoreCase(databaseDataType));
@@ -140,7 +157,7 @@ public TableMapping FindTableMapping(string connectionName, string schemaName, s
         {
             return this.TableMappings.SingleOrDefault(o =>
                 o.ConnectionName.EqualsIgnoreCase(connectionName)
-                && o.SchemaName.EqualsIgnoreCase(schemaName) 
+                && o.SchemaName.EqualsIgnoreCase(schemaName)
                 && o.TableName.EqualsIgnoreCase(name));
         }
 
@@ -151,9 +168,9 @@ public Template FindTemplate(string xsltAbsolutePath)
 
         public ViewMapping FindViewMapping(string connectionName, string schemaName, string name)
         {
-            return this.ViewMappings.SingleOrDefault(o => 
+            return this.ViewMappings.SingleOrDefault(o =>
                 o.ConnectionName.EqualsIgnoreCase(connectionName)
-                && o.SchemaName.EqualsIgnoreCase(schemaName) 
+                && o.SchemaName.EqualsIgnoreCase(schemaName)
                 && o.TableName.EqualsIgnoreCase(name));
         }