added get release targets for policy endpoint

Author: jsbroks

apps/workspace-engine/pkg/server/openapi/policies/policies.go

@@ -3,6 +3,7 @@ package policies
 import (
 	"net/http"
 	"workspace-engine/pkg/oapi"
+	"workspace-engine/pkg/selector"
 	"workspace-engine/pkg/server/openapi/utils"
 
 	"github.com/gin-gonic/gin"
@@ -19,23 +20,43 @@ func (p *Policies) GetReleaseTargetsForPolicy(c *gin.Context, workspaceId oapi.W
 		return
 	}
 
-	// policy, ok := ws.Policies().Get(policyId)
-	// if !ok {
-	// 	c.JSON(http.StatusNotFound, gin.H{
-	// 		"error": "Policy not found",
-	// 	})
-	// 	return
-	// }
-
-	// releaseTargets, err := ws.ReleaseTargets().Items(c.Request.Context())
-	// if err != nil {
-	// 	c.JSON(http.StatusInternalServerError, gin.H{
-	// 		"error": "Failed to get release targets for policy: " + err.Error(),
-	// 	})
-	// 	return
-	// }
-
-	c.JSON(http.StatusInternalServerError, gin.H{
-		"error": "Not implemented",
+	policy, ok := ws.Policies().Get(policyId)
+	if !ok {
+		c.JSON(http.StatusNotFound, gin.H{
+			"error": "Policy not found",
+		})
+		return
+	}
+
+	releaseTargets, err := ws.ReleaseTargets().Items(c.Request.Context())
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"error": "Failed to get release targets for policy: " + err.Error(),
+		})
+		return
+	}
+
+	matchingReleaseTargets := make([]*oapi.ReleaseTarget, 0)
+	for _, releaseTarget := range releaseTargets {
+		environment, ok := ws.Environments().Get(releaseTarget.EnvironmentId)
+		if !ok {
+			continue
+		}
+		deployment, ok := ws.Deployments().Get(releaseTarget.DeploymentId)
+		if !ok {
+			continue
+		}
+		resource, ok := ws.Resources().Get(releaseTarget.ResourceId)
+		if !ok {
+			continue
+		}
+		resolvedReleaseTarget := selector.NewBasicReleaseTarget(environment, deployment, resource)
+		if selector.MatchPolicy(c.Request.Context(), policy, resolvedReleaseTarget) {
+			matchingReleaseTargets = append(matchingReleaseTargets, releaseTarget)
+		}
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"releaseTargets": matchingReleaseTargets,
 	})
 }