Fix AddPart method on non existent variables.

Use the appropriate variable name when creating AddPart methods for parts that have already been visited.
Finalizing 0.3.2-alpha release.

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [0.3.2-alpha] - TBD
+## [0.3.2-alpha] - 2020-07-30
 
 ### Changed
 
@@ -22,6 +22,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
   for more details.
 - When encountering OpenXmlUnknownElement objects, make sure to initialize them with the appropriate `ctor` method.
 - Correct the initialization parameters for the generated `AddExternalRelationship` method.
+- Issue where AddPart methods for OpenXmlPart paths that have already been visited are generated on variables
+  that do not exist.
 
 ## [0.3.1-alpha] - 2020-07-25
 

src/Serialize.OpenXml.CodeGen/OpenXmlPartExtensions.cs

@@ -291,39 +291,41 @@ internal static CodeStatementCollection BuildEntryMethodCodeStatements(
             // Make sure that the namespace for the current part is captured
             namespaces.Add(partType.Namespace);
 
-            // Assign the appropriate variable name
-            if (typeCounts.ContainsKey(partTypeFullName))
-            {
-                varName = String.Concat(varName, typeCounts[partTypeFullName]++);
-            }
-            else
-            {
-                typeCounts.Add(partTypeFullName, 1);
-            }
-
-            // Setup the blueprint
+            // If the URI of the current part has already been included into
+            // the blue prints collection, build the AddPart invocation
+            // code statement and exit current method iteration.
             if (blueprints.TryGetValue(part.OpenXmlPart.Uri, out bpTemp))
             {
-                // If the URI of the current part has already been included into
-                // the blue prints collection, build the AddPart invocation
-                // code statement and exit current method iteration.
+                // Surround this snippet with blank lines to make it
+                // stand out in the current section of code.
+                addBlankLine();
                 referenceExpression = new CodeMethodReferenceExpression(
-                    new CodeVariableReferenceExpression(varName), "AddPart",
+                    new CodeVariableReferenceExpression(rootVar.Key), "AddPart",
                     new CodeTypeReference(part.OpenXmlPart.GetType().Name));
                 invokeExpression = new CodeMethodInvokeExpression(referenceExpression,
                     new CodeVariableReferenceExpression(bpTemp.VariableName),
                     new CodePrimitiveExpression(part.RelationshipId));
                 result.Add(invokeExpression);
+                addBlankLine();
                 return result;
             }
+
+            // Assign the appropriate variable name
+            if (typeCounts.ContainsKey(partTypeFullName))
+            {
+                varName = String.Concat(varName, typeCounts[partTypeFullName]++);
+            }
             else
             {
-                bpTemp = new OpenXmlPartBluePrint(part.OpenXmlPart, varName);
+                typeCounts.Add(partTypeFullName, 1);
             }
 
-            // Need to evaluate the current OpenXmlPart type first to make sure the 
+            // Setup the blueprint
+            bpTemp = new OpenXmlPartBluePrint(part.OpenXmlPart, varName);
+
+            // Need to evaluate the current OpenXmlPart type first to make sure the  
             // correct "Add" statement is used as not all Parts can be initialized
-            // using the "AddNewPart"method
+            // using the "AddNewPart" method
 
             // Check for image part methods
             if (customAddNewPartRequired)