generate exceptions in implementation

.gitignore

@@ -6,4 +6,5 @@ OpenAPIDocCtrl.cs
 tmp/
 *~
 .*~
+ENV.database
 

DbService.cs

@@ -37,6 +37,8 @@ namespace de.hottis.genericdatabaseapiservice.Services {
             Console.WriteLine("ConnInfo: {0}", databaseConnInfo);
             Console.WriteLine("Statement: {0}", selectStatement);
             
+            throw new Exception("AetschiBaetsch");
+
             using (var conn = new MySqlConnection(databaseConnInfo)) {
                 await conn.OpenAsync();
 

generate.py

@@ -13,6 +13,10 @@ parser.add_argument('--apiDefinitionFile', '-a',
                     help='API definition file. Default: openapi.yaml in the current folder.',
                     required=False,
                     default='./openapi.yaml')
+parser.add_argument('--errorDefinitionFile', '-e',
+                    help='Error definition file. Default: serviceErrorCodes.yaml in the current folder.',
+                    required=False,
+                    default='./serviceErrorCodes.yaml')
 parser.add_argument('--template', '-t',
                     help="""Template file, templates files must be named as the final output file
 with an additional .tmpl extension. Default: all template files recursively from the current folder.""",                    
@@ -23,6 +27,9 @@ args = parser.parse_args()
 
 with open(args.apiDefinitionFile) as apiDefinitionFile:
     apiDefinition = yaml.load(apiDefinitionFile, Loader=SafeLoader)
+with open(args.errorDefinitionFile) as errorDefinitionFile:
+    errorDefinition = yaml.load(errorDefinitionFile, Loader=SafeLoader)
+
 
 
 apiDefinition["GENERATED_SQL_COMMENT"] = """
@@ -142,9 +149,10 @@ for (typeName, typeDefinition) in apiDefinition['components']['schemas'].items()
 apiDefinition['types'] = types
 
 print(json.dumps(apiDefinition, indent=4))
+print(json.dumps(errorDefinition, indent=4))
 for f in glob.glob(args.template, recursive=True):
     print(f"process {f}")
-    tmpl = Template(file=f, searchList=[apiDefinition])
+    tmpl = Template(file=f, searchList=[apiDefinition, errorDefinition])
     with open(f[:-5], 'w') as outFile:
         outFile.write(str(tmpl))
 

generateAll.sh

@@ -62,6 +62,11 @@ fi
 # PACKAGE_NAME will be loaded here
 . ENV
 
+if [ -f ENV.database ]; then
+  echo "database environment loaded"
+  . ENV.database
+fi
+
 if [ "$STAGE1" = "1" ]; then  
   echo "generate endpoint code from openapi.yaml"
   python3.10 generate.py

openapi.yaml

@@ -97,6 +97,12 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/errorResultObject"
+        500:
+          description: Internal Server Error
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/errorResultObject"
   /pdb/v2/baseData/{articleNumber}:
     get:
       tags: [ "Regular" ]
@@ -145,6 +151,9 @@ components:
         errorInfoURL:
           description: URL to some more information on the error
           type: string
+        offensiveData:
+          description: Input data which causes this error
+          type: string
     test1:
       description: A test1 item
       type: object

regular.cs.tmpl

@@ -117,15 +117,31 @@ null#slurp
 [0]#slurp
               #end if
 );
-            } catch (NotDataFoundException) {
+\#pragma warning disable CS0168
+            #for $errDef in $Exceptions
+            } catch ($errDef['Exception'] ex) {
               var err = new ErrorResultObject();
-              err.errorCode = 400;
-              err.serviceErrorCode = 517;
-              err.errorMessage("item not found");
-              err.errorInfoURL("https://google.com");
-              return BadRequest(err);
-            }
-
+              err.ErrorCode = $errDef['ErrorCode'];
+              err.ServiceErrorCode = $errDef['ServiceErrorCode'];
+              err.ErrorMessage = #slurp
+              #if $errDef['ErrorMessage'] == 'INSERT_EXCEPTION_MESSAGE'
+ex.ToString();
+              #else
+"$errDef['ErrorMessage']";
+              #end if
+              err.ErrorInfoURL = "$errDef['ErrorInfoURL']";
+              err.OffensiveData = #slurp
+              #if $operation['bodyInputType']
+Newtonsoft.Json.JsonConvert.SerializeObject($operation['bodyInputType']['apiName'], Newtonsoft.Json.Formatting.Indented);
+              #elif $operation['paramInputTypes']
+Newtonsoft.Json.JsonConvert.SerializeObject(paramInput, Newtonsoft.Json.Formatting.Indented);
+              #else         
+null;                   
+              #end if
+              return StatusCode($errDef['ErrorCode'], err);
+            #end for
+            }  
+\#pragma warning restore CS0168
         }
 
         #elif $operation['method'] == 'post'

serviceErrorCodes.yaml

@@ -0,0 +1,18 @@
+# ONLY USE THE ERRORCODES 400 and 500 HERE
+Exceptions:
+  - Exception: NotDataFoundException
+    ErrorCode: 400
+    ServiceErrorCode: 10001
+    ErrorMessage: item not found
+    ErrorInfoURL: https://google.com
+  - Exception: TooMuchDataFoundException
+    ErrorCode: 400
+    ServiceErrorCode: 10002
+    ErrorMessage: too many items found
+    ErrorInfoURL: https://google.com
+  # Make sure "Exception: Exception" is the last entry in the list
+  - Exception: Exception
+    ErrorCode: 500
+    ServiceErrorCode: 10000
+    ErrorMessage: INSERT_EXCEPTION_MESSAGE
+    ErrorInfoURL: https://google.com