From 38f86076c2360628e5d0b27d8234725db4369b2d Mon Sep 17 00:00:00 2001
From: djmil <andriy@djmil.dev>
Date: Thu, 20 Jul 2023 12:31:04 +0200
Subject: [PATCH] H2 DB

- used for tests
- no DB implenention for prod
---
 build.gradle                                  | 20 ++++++++++++++++++-
 src/main/java/djmil/cashcard/CashCard.java    |  5 +++--
 .../djmil/cashcard/CashCardController.java    | 17 ++++++++++++----
 .../djmil/cashcard/CashCardRepository.java    |  6 ++++++
 src/test/resources/data.sql                   |  1 +
 src/test/resources/schema.sql                 |  5 +++++
 6 files changed, 47 insertions(+), 7 deletions(-)
 create mode 100644 src/main/java/djmil/cashcard/CashCardRepository.java
 create mode 100644 src/test/resources/data.sql
 create mode 100644 src/test/resources/schema.sql

diff --git a/build.gradle b/build.gradle
index 0b44fbf..57368e1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ group = 'djmil'
 version = '0.0.1-SNAPSHOT'
 
 java {
-	sourceCompatibility = '17'
+	sourceCompatibility = '20'
 }
 
 repositories {
@@ -18,8 +18,26 @@ repositories {
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+
+	implementation 'org.springframework.data:spring-data-jdbc'
+    testImplementation 'com.h2database:h2'
 }
 
 tasks.named('test') {
 	useJUnitPlatform()
 }
+
+// This section causes useful test output to go to the terminal.
+test {
+    testLogging {
+        events "passed", "skipped", "failed" //, "standardOut", "standardError"
+
+        showExceptions true
+        exceptionFormat "full"
+        showCauses true
+        showStackTraces true
+
+        // Change to `true` for more verbose test output
+        showStandardStreams = false
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/djmil/cashcard/CashCard.java b/src/main/java/djmil/cashcard/CashCard.java
index 4bc5397..0ebdfc9 100644
--- a/src/main/java/djmil/cashcard/CashCard.java
+++ b/src/main/java/djmil/cashcard/CashCard.java
@@ -1,5 +1,6 @@
 package djmil.cashcard;
 
-public record CashCard(Long id, Double amount) {
-    
+import org.springframework.data.annotation.Id;
+
+public record CashCard(@Id Long id, Double amount) {
 }
diff --git a/src/main/java/djmil/cashcard/CashCardController.java b/src/main/java/djmil/cashcard/CashCardController.java
index c3771f4..fb4b57f 100644
--- a/src/main/java/djmil/cashcard/CashCardController.java
+++ b/src/main/java/djmil/cashcard/CashCardController.java
@@ -6,17 +6,26 @@ import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.Optional;
+
 @RestController
 @RequestMapping("/cashcards")
 public class CashCardController {
 
+    private CashCardRepository cashCardRepository;
+
+    public CashCardController(CashCardRepository cashCardRepository) {
+        this.cashCardRepository = cashCardRepository;
+    }
+
     @GetMapping("/{requestedId}")
     public ResponseEntity<CashCard> findById(@PathVariable Long requestedId) {
-        if (requestedId.equals(99L)) {
-            CashCard cashCard = new CashCard(99L, 123.45);
-            return ResponseEntity.ok(cashCard);
+        Optional<CashCard> cashCardOptional = cashCardRepository.findById(requestedId);
+
+        if (cashCardOptional.isPresent()) {
+            return ResponseEntity.ok(cashCardOptional.get());
         } else {
             return ResponseEntity.notFound().build();
-    	}
+        }
     }
 }
diff --git a/src/main/java/djmil/cashcard/CashCardRepository.java b/src/main/java/djmil/cashcard/CashCardRepository.java
new file mode 100644
index 0000000..23795e1
--- /dev/null
+++ b/src/main/java/djmil/cashcard/CashCardRepository.java
@@ -0,0 +1,6 @@
+package djmil.cashcard;
+
+import org.springframework.data.repository.CrudRepository;
+
+public interface CashCardRepository extends CrudRepository<CashCard, Long> {
+}
diff --git a/src/test/resources/data.sql b/src/test/resources/data.sql
new file mode 100644
index 0000000..9f6290a
--- /dev/null
+++ b/src/test/resources/data.sql
@@ -0,0 +1 @@
+INSERT INTO CASH_CARD(ID, AMOUNT) VALUES (99, 123.45);
\ No newline at end of file
diff --git a/src/test/resources/schema.sql b/src/test/resources/schema.sql
new file mode 100644
index 0000000..8c35969
--- /dev/null
+++ b/src/test/resources/schema.sql
@@ -0,0 +1,5 @@
+CREATE TABLE cash_card
+(
+   ID     BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+   AMOUNT NUMBER NOT NULL DEFAULT 0
+);
\ No newline at end of file