Using periods in relative timeframes will now work properly

Author: dorian-krefft-dt

CHANGELOG.md

@@ -52,9 +52,10 @@
 ### Bug fixes
 
 - Creating an empty DQL variable using the `$type: dql` syntax will now create a multiline comment instead of causing an
-  error
+  error.
 - When modifying or deleting a Dynatrace tenant that was already used, files using it will require the user to select
   a new tenant.
+- Using periods (`-1y` for years, `-1q` for quarters, or `-1w` for weeks) in relative timeframes will now work properly.
 
 ## [1.4.0] - 2026-01-28
 

src/main/java/pl/thedeem/intellij/dql/definition/model/DQLDurationType.java

@@ -4,7 +4,8 @@
 
 import java.time.Duration;
 import java.time.Instant;
-import java.time.Period;
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
 import java.util.Arrays;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -53,10 +54,18 @@ public Instant getInstant(int duration, @NotNull Instant base) {
             case MINUTE -> base.plus(Duration.ofMinutes(duration));
             case HOUR -> base.plus(Duration.ofHours(duration));
             case DAY -> base.plus(Duration.ofDays(duration));
-            case WEEK -> base.plus(Period.ofWeeks(duration));
-            case MONTH -> base.plus(Period.ofMonths(duration));
-            case QUARTER -> base.plus(Period.ofMonths(duration * 4));
-            case YEAR -> base.plus(Period.ofYears(duration));
+            case WEEK -> ZonedDateTime.ofInstant(base, ZoneOffset.UTC)
+                    .plusWeeks(duration)
+                    .toInstant();
+            case MONTH -> ZonedDateTime.ofInstant(base, ZoneOffset.UTC)
+                    .plusMonths(duration)
+                    .toInstant();
+            case QUARTER -> ZonedDateTime.ofInstant(base, ZoneOffset.UTC)
+                    .plusMonths(duration * 3L)
+                    .toInstant();
+            case YEAR -> ZonedDateTime.ofInstant(base, ZoneOffset.UTC)
+                    .plusYears(duration)
+                    .toInstant();
         };
     }
 }