refactor database schema: improve table definitions and add missing fields

info/DB-Design.sql

@@ -1,4 +1,5 @@
-Table categories {
+Table categories
+{
   categoryID int [pk]
   name varchar(255)
   parentCategoryID int
@@ -6,30 +7,34 @@ Table categories {
 
 Ref: "categories"."parentCategoryID" < "categories"."categoryID"
 
-Table brands {
+Table brands
+{
   brandID int [pk]
   name varchar(255)
 }
 
-Table products {
+Table products
+{
   productID int [pk]
   categoryID int
   brandID int
   model varchar(255)
-  ean varchar(20)
   description text
+  imagePath varchar(255)
 }
 
 Ref: "products"."categoryID" < "categories"."categoryID"
 Ref: "products"."brandID" < "brands"."brandID"
 
-Table shops {
+Table shops
+{
   shopID int [pk]
   name varchar(255)
   website varchar(255)
 }
 
-Table offers {
+Table offers
+{
   offerID int [pk]
   productID int
   shopID int
@@ -43,14 +48,16 @@ Table offers {
 Ref: "offers"."productID" < "products"."productID"
 Ref: "offers"."shopID" < "shops"."shopID"
 
-Table attributes {
+Table attributes
+{
   attributeID int [pk]
   name varchar(255)
   unit varchar(50)
   dataType varchar(20)
 }
 
-Table categoryAttributes {
+Table categoryAttributes
+{
   categoryID int
   attributeID int
 }
@@ -58,7 +65,8 @@ Table categoryAttributes {
 Ref: "categoryAttributes"."categoryID" < "categories"."categoryID"
 Ref: "categoryAttributes"."attributeID" < "attributes"."attributeID"
 
-Table productAttributes {
+Table productAttributes
+{
   productID int
   attributeID int
   valueString varchar(255)
@@ -72,21 +80,32 @@ Ref: "productAttributes"."attributeID" < "attributes"."attributeID"
 
 
 
-Table users {
+
+
+
+
+
+
+
+Table users
+{
   userID int [pk]
   email varchar(255)
   passwordHash varchar(255)
   displayName varchar(255)
   isActive boolean
   createdAt timestamp
+  profilePicture varchar(255)
 }
 
-Table roles {
+Table roles
+{
   roleID int [pk]
   name varchar(50)
 }
 
-Table userRoles {
+Table userRoles
+{
   userID int
   roleID int
 }
@@ -94,7 +113,8 @@ Table userRoles {
 Ref: "userRoles"."userID" < "users"."userID"
 Ref: "userRoles"."roleID" < "roles"."roleID"
 
-Table userFavorites {
+Table userFavorites
+{
   userID int
   productID int
   createdAt timestamp
@@ -103,7 +123,8 @@ Table userFavorites {
 Ref: "userFavorites"."userID" < "users"."userID"
 Ref: "userFavorites"."productID" < "products"."productID"
 
-Table priceAlerts {
+Table priceAlerts
+{
   alertID int [pk]
   userID int
   productID int
@@ -115,7 +136,8 @@ Table priceAlerts {
 Ref: "priceAlerts"."userID" < "users"."userID"
 Ref: "priceAlerts"."productID" < "products"."productID"
 
-Table notifications {
+Table notifications
+{
   notificationID int [pk]
   userID int
   title varchar(255)
@@ -126,7 +148,8 @@ Table notifications {
 
 Ref: "notifications"."userID" < "users"."userID"
 
-Table reviews {
+Table reviews
+{
   reviewID int [pk]
   userID int
   productID int
@@ -138,7 +161,8 @@ Table reviews {
 Ref: "reviews"."userID" < "users"."userID"
 Ref: "reviews"."productID" < "products"."productID"
 
-Table userSessions {
+Table userSessions
+{
   sessionID varchar(128) [pk]
   userID int
   expiresAt timestamp