Merge pull request #8086 from stianlik/issue-6530

Add option modelPropertyNaming to javascript generator

Author: HugoMario

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JavascriptClientCodegen.java

@@ -96,6 +96,7 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
     protected String apiTestPath = "api/";
     protected String modelTestPath = "model/";
     protected boolean useES6 = false; // default is ES5
+    private String modelPropertyNaming = "camelCase";
 
     public JavascriptClientCodegen() {
         super();
@@ -200,6 +201,7 @@ public JavascriptClientCodegen() {
         cliOptions.add(new CliOption(USE_ES6,
                 "use JavaScript ES6 (ECMAScript 6) (beta). Default is ES5.")
                 .defaultValue(Boolean.FALSE.toString()));
+        cliOptions.add(new CliOption(CodegenConstants.MODEL_PROPERTY_NAMING, CodegenConstants.MODEL_PROPERTY_NAMING_DESC).defaultValue("camelCase"));
     }
 
     @Override
@@ -265,6 +267,9 @@ public void processOpts() {
         if (additionalProperties.containsKey(EMIT_JS_DOC)) {
             setEmitJSDoc(convertPropertyToBooleanAndWriteBack(EMIT_JS_DOC));
         }
+        if (additionalProperties.containsKey(CodegenConstants.MODEL_PROPERTY_NAMING)) {
+            setModelPropertyNaming((String) additionalProperties.get(CodegenConstants.MODEL_PROPERTY_NAMING));
+        }
     }
 
     @Override
@@ -485,6 +490,22 @@ public String toModelTestFilename(String name) {
         return toModelName(name) + ".spec";
     }
 
+    public String getModelPropertyNaming() {
+        return this.modelPropertyNaming;
+    }
+
+    private String getNameUsingModelPropertyNaming(String name) {
+        switch (CodegenConstants.MODEL_PROPERTY_NAMING_TYPE.valueOf(getModelPropertyNaming())) {
+            case original:    return name;
+            case camelCase:   return camelize(name, true);
+            case PascalCase:  return camelize(name);
+            case snake_case:  return underscore(name);
+            default:          throw new IllegalArgumentException("Invalid model property naming '" +
+                    name + "'. Must be 'original', 'camelCase', " +
+                    "'PascalCase' or 'snake_case'");
+        }
+    }
+
     @Override
     public String toVarName(String name) {
         // sanitize name
@@ -501,7 +522,7 @@ public String toVarName(String name) {
 
         // camelize (lower first character) the variable name
         // pet_id => petId
-        name = camelize(name, true);
+        name = getNameUsingModelPropertyNaming(name);
 
         // for reserved word or word starting with number, append _
         if (isReservedWord(name) || name.matches("^\\d.*")) {
@@ -621,6 +642,17 @@ public String toDefaultValue(Property p) {
         return null;
     }
 
+    public void setModelPropertyNaming(String naming) {
+        if ("original".equals(naming) || "camelCase".equals(naming) ||
+                "PascalCase".equals(naming) || "snake_case".equals(naming)) {
+            this.modelPropertyNaming = naming;
+        } else {
+            throw new IllegalArgumentException("Invalid model property naming '" +
+                    naming + "'. Must be 'original', 'camelCase', " +
+                    "'PascalCase' or 'snake_case'");
+        }
+    }
+
     @Override
     public String toDefaultValueWithParam(String name, Property p) {
         String type = normalizeType(getTypeDeclaration(p));

modules/swagger-codegen/src/test/java/io/swagger/codegen/javascript/JavaScriptClientOptionsTest.java

@@ -5,7 +5,6 @@
 import io.swagger.codegen.options.JavaScriptOptionsProvider;
 import io.swagger.codegen.languages.JavascriptClientCodegen;
 import io.swagger.codegen.options.OptionsProvider;
-
 import mockit.Expectations;
 import mockit.Tested;
 
@@ -70,6 +69,8 @@ protected void setExpectations() {
             times = 1;
             clientCodegen.setUseES6(Boolean.valueOf(JavaScriptOptionsProvider.USE_ES6_VALUE));
             times = 1;
+            clientCodegen.setModelPropertyNaming(JavaScriptOptionsProvider.MODEL_PROPERTY_NAMING_VALUE);
+            times = 1;
         }};
     }
 }

modules/swagger-codegen/src/test/java/io/swagger/codegen/options/JavaScriptOptionsProvider.java

@@ -30,7 +30,7 @@ public class JavaScriptOptionsProvider implements OptionsProvider {
     public static final String EMIT_JS_DOC_VALUE = "false";
     public static final String ALLOW_UNICODE_IDENTIFIERS_VALUE = "false";
     public static final String USE_ES6_VALUE = "true";
-
+    public static final String MODEL_PROPERTY_NAMING_VALUE = "camelCase";
 
     private ImmutableMap<String, String> options;
 
@@ -63,6 +63,7 @@ public JavaScriptOptionsProvider() {
                 .put(CodegenConstants.HIDE_GENERATION_TIMESTAMP, "true")
                 .put(CodegenConstants.ALLOW_UNICODE_IDENTIFIERS, ALLOW_UNICODE_IDENTIFIERS_VALUE)
                 .put(JavascriptClientCodegen.USE_ES6, USE_ES6_VALUE)
+                .put(CodegenConstants.MODEL_PROPERTY_NAMING, MODEL_PROPERTY_NAMING_VALUE)
                 .build();
     }