added liquibase

Author: Dema-koder

pom.xml

@@ -87,6 +87,11 @@
             <groupId>org.springframework.kafka</groupId>
             <artifactId>spring-kafka</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.liquibase</groupId>
+            <artifactId>liquibase-core</artifactId>
+            <version>4.31.1</version>
+        </dependency>
     </dependencies>
 
     <build>

src/main/resources/application.properties

@@ -7,6 +7,8 @@ spring.datasource.url=jdbc:postgresql://localhost:5433/app_db
 spring.datasource.username=app_user
 spring.datasource.password=secretpass
 spring.datasource.driver-class-name=org.postgresql.Driver
+spring.liquibase.enabled=true
+spring.liquibase.change-log=changelog/db.changelog-master.xml
 
 spring.jpa.hibernate.ddl-auto=update
 spring.jpa.show-sql=true

src/main/resources/changelog/db.changelog-master.xml

@@ -0,0 +1,8 @@
+<databaseChangeLog
+        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+             http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.8.xsd">
+
+    <include file="migrations/2025-04-15-initial-changelog.xml" relativeToChangelogFile="true"/>
+</databaseChangeLog>

src/main/resources/changelog/migrations/2025-04-15-initial-changelog.xml

@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<databaseChangeLog
+        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+        http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.8.xsd">
+
+    <changeSet id="1" author="Zverev-DE">
+        <preConditions onFail="MARK_RAN">
+            <not>
+                <tableExists tableName="users"/>
+            </not>
+        </preConditions>
+        <createTable tableName="users">
+            <column name="id" type="BIGINT" autoIncrement="true">
+                <constraints primaryKey="true" nullable="false"/>
+            </column>
+            <column name="chat_id" type="BIGINT">
+                <constraints nullable="true"/>
+            </column>
+            <column name="name" type="VARCHAR(255)">
+                <constraints nullable="true"/>
+            </column>
+        </createTable>
+    </changeSet>
+
+    <changeSet id="2" author="Zverev-DE">
+        <preConditions onFail="MARK_RAN">
+            <tableExists tableName="users"/>
+            <not>
+                <tableExists tableName="note"/>
+            </not>
+        </preConditions>
+        <createTable tableName="note">
+            <column name="id" type="BIGINT" autoIncrement="true">
+                <constraints primaryKey="true" nullable="false"/>
+            </column>
+            <column name="users_id" type="BIGINT">
+                <constraints nullable="false" foreignKeyName="fk_note_users" references="users(id)"/>
+            </column>
+            <column name="content" type="VARCHAR(255)">
+                <constraints nullable="true"/>
+            </column>
+        </createTable>
+    </changeSet>
+
+    <changeSet id="3" author="Zverev-DE">
+        <preConditions onFail="MARK_RAN">
+            <not>
+                <tableExists tableName="chat_gpt_messages"/>
+            </not>
+        </preConditions>
+        <createTable tableName="chat_gpt_messages">
+            <column name="id" type="BIGINT" autoIncrement="true">
+                <constraints primaryKey="true" nullable="false"/>
+            </column>
+            <column name="question" type="VARCHAR(5000)">
+                <constraints nullable="true"/>
+            </column>
+            <column name="answer" type="VARCHAR(5000)">
+                <constraints nullable="true"/>
+            </column>
+            <column name="user_id" type="BIGINT">
+                <constraints nullable="true"/>
+            </column>
+        </createTable>
+    </changeSet>
+
+</databaseChangeLog>