From 468310dab4b5a7148a121a44a772bf8a858da2f7 Mon Sep 17 00:00:00 2001
From: u$f <usf.alami@gmail.com>
Date: Tue, 10 Sep 2024 22:55:30 +0200
Subject: [PATCH] edit

---
 .../java/org/usf/jquery/core/CaseColumn.java  |  2 +-
 .../org/usf/jquery/web/ArgumentParsers.java   |  2 +-
 .../jquery/web/RequestParameterResolver.java  |  6 ++--
 .../org/usf/jquery/web/ViewDecorator.java     | 33 ++++++++-----------
 4 files changed, 19 insertions(+), 24 deletions(-)

diff --git a/src/main/java/org/usf/jquery/core/CaseColumn.java b/src/main/java/org/usf/jquery/core/CaseColumn.java
index 8c896c1..33ef4e9 100644
--- a/src/main/java/org/usf/jquery/core/CaseColumn.java
+++ b/src/main/java/org/usf/jquery/core/CaseColumn.java
@@ -50,7 +50,7 @@ public void views(Collection<DBView> views) {
 			e.views(views);
 		}
 	}
-		
+	
 	@Override
 	public String toString() {
 		return sql(addWithValue());
diff --git a/src/main/java/org/usf/jquery/web/ArgumentParsers.java b/src/main/java/org/usf/jquery/web/ArgumentParsers.java
index 0b80f01..6fd6d28 100644
--- a/src/main/java/org/usf/jquery/web/ArgumentParsers.java
+++ b/src/main/java/org/usf/jquery/web/ArgumentParsers.java
@@ -45,7 +45,7 @@ public class ArgumentParsers {
 	
 	private static final JDBCType[] STD_TYPES = {
 			BIGINT, DOUBLE, DATE, TIMESTAMP, 
-			TIME, TIMESTAMP_WITH_TIMEZONE, VARCHAR }; //varchar !?
+			TIME, TIMESTAMP_WITH_TIMEZONE, VARCHAR };
 
 	public static Object parse(RequestEntryChain entry, ViewDecorator td, JavaType... types) {
 		List<JavaType> list = new ArrayList<>();
diff --git a/src/main/java/org/usf/jquery/web/RequestParameterResolver.java b/src/main/java/org/usf/jquery/web/RequestParameterResolver.java
index 3b110d1..6d833f6 100644
--- a/src/main/java/org/usf/jquery/web/RequestParameterResolver.java
+++ b/src/main/java/org/usf/jquery/web/RequestParameterResolver.java
@@ -32,15 +32,15 @@ public QueryBuilder requestQuery(@NonNull RequestQueryParam ant, @NonNull Map<St
 		var t = currentTimeMillis();
 		log.trace("parsing request...");
 		parameterMap = new LinkedHashMap<>(parameterMap); //modifiable map + preserve order
-		if(!parameterMap.containsKey(COLUMN_DISTINCT)) {
-			parameterMap.computeIfAbsent(COLUMN, k-> ant.defaultColumns());
+		if(!parameterMap.containsKey(COLUMN)) {
+			parameterMap.computeIfAbsent(COLUMN_DISTINCT, k-> ant.defaultColumns());
 		}
 		if(!isEmpty(ant.ignoreParameters())) {
 			for(var k : ant.ignoreParameters()) {
 				parameterMap.remove(k);
 			}
 		}
-		releaseContext(); //safe++
+		releaseContext(); //safety++
 		var ctx = ant.database().isEmpty() 
 				? currentContext()
 				: context(ant.database());
diff --git a/src/main/java/org/usf/jquery/web/ViewDecorator.java b/src/main/java/org/usf/jquery/web/ViewDecorator.java
index 0d2b638..e7c7aaa 100644
--- a/src/main/java/org/usf/jquery/web/ViewDecorator.java
+++ b/src/main/java/org/usf/jquery/web/ViewDecorator.java
@@ -7,8 +7,6 @@
 import static java.util.Objects.requireNonNull;
 import static java.util.Optional.ofNullable;
 import static java.util.stream.Collectors.toUnmodifiableMap;
-import static org.usf.jquery.core.SqlStringBuilder.quote;
-import static org.usf.jquery.core.Utils.isEmpty;
 import static org.usf.jquery.core.Validation.requireLegalVariable;
 import static org.usf.jquery.core.Validation.requireNArgs;
 import static org.usf.jquery.web.ColumnMetadata.columnMetadata;
@@ -54,7 +52,7 @@ default ViewBuilder builder() {
 		return this::buildView;
 	}
 
-	default CriteriaBuilder<DBFilter> criteria(String name) { //!aggregation 
+	default CriteriaBuilder<DBFilter> criteria(String name) { 
 		return null; //no criteria by default
 	}
 	
@@ -127,18 +125,15 @@ default void parseViews(QueryBuilder query, Map<String, String[]> parameters) {
 	}
 	
 	default void parseColumns(QueryBuilder query, Map<String, String[]> parameters) {
-		if(parameters.containsKey(COLUMN) && parameters.containsKey(COLUMN_DISTINCT)) {
-			throw new IllegalStateException("both parameters are present " + quote(COLUMN_DISTINCT) + " and " + quote(COLUMN));
-		}
-		String[] cols;
-		if(parameters.containsKey(COLUMN_DISTINCT)) {
-			cols = parameters.remove(COLUMN_DISTINCT);
-			query.distinct();
-		}
-		else {
-			cols = parameters.remove(COLUMN);	
-		}
-		if(!isEmpty(cols)) {
+		if(parameters.containsKey(COLUMN) ^ parameters.containsKey(COLUMN_DISTINCT)) {
+			String[] cols;
+			if(parameters.containsKey(COLUMN)) {
+				cols = parameters.remove(COLUMN);
+			}
+			else {
+				cols = parameters.remove(COLUMN_DISTINCT);
+				query.distinct();
+			}
 			Stream.of(cols)
 			.flatMap(v-> parseEntries(v).stream())
 			.map(e-> {
@@ -150,7 +145,7 @@ default void parseColumns(QueryBuilder query, Map<String, String[]> parameters)
 			.forEach(query::columns);
 		}
 		else {
-			throw new IllegalArgumentException(format("requrie %s or %s parameter", COLUMN, COLUMN_DISTINCT));
+			throw new IllegalArgumentException(format("requrie '%s' or '%s' parameter", COLUMN, COLUMN_DISTINCT));
 		}
 	}
 
@@ -192,12 +187,12 @@ private static Integer requirePositiveInt(String key, Map<String, String[]> para
 			if(v >= 0) {
 				return v;
 			}
-			throw new IllegalArgumentException(key + " cannot be negative");
+			throw new IllegalArgumentException(key + " parameter cannot be negative");
 		}
 		return null;
 	}
 	
 	static Stream<String> flatParameters(String... arr) { //number local separator
 		return Stream.of(arr).flatMap(v-> Stream.of(v.split(",")));
-	}
-}
+	}	
+}
\ No newline at end of file