feat: current version endpoint

backend/internal/controller/version_controller.go

@@ -5,6 +5,7 @@ import (
 	"time"
 
 	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
 	"github.com/pocket-id/pocket-id/backend/internal/service"
 	"github.com/pocket-id/pocket-id/backend/internal/utils"
 )
@@ -13,6 +14,7 @@ import (
 func NewVersionController(group *gin.RouterGroup, versionService *service.VersionService) {
 	vc := &VersionController{versionService: versionService}
 	group.GET("/version/latest", vc.getLatestVersionHandler)
+	group.GET("/version/current", vc.getCurrentVersionHandler)
 }
 
 type VersionController struct {
@@ -38,3 +40,17 @@ func (vc *VersionController) getLatestVersionHandler(c *gin.Context) {
 		"latestVersion": tag,
 	})
 }
+
+// getCurrentVersionHandler godoc
+// @Summary Get current deployed version of Pocket ID
+// @Tags Version
+// @Produce json
+// @Success 200 {object} map[string]string "Current version information"
+// @Router /api/version/current [get]
+func (vc *VersionController) getCurrentVersionHandler(c *gin.Context) {
+	utils.SetCacheControlHeader(c, 5*time.Minute, 15*time.Minute)
+
+	c.JSON(http.StatusOK, gin.H{
+		"currentVersion": common.Version,
+	})
+}