From aebe2032765ba67c633bd6802d305f7a5636c552 Mon Sep 17 00:00:00 2001
From: Hossain Khan <hello@hossain.dev>
Date: Tue, 5 Sep 2023 23:58:38 -0400
Subject: [PATCH 1/4] WIP - Postgres connection

---
 .idea/jarRepositories.xml                     |   5 +
 .idea/kotlinc.xml                             |   2 +-
 .idea/uiDesigner.xml                          | 124 ++++++++++++++++++
 build.gradle.kts                              |  30 +++++
 src/main/kotlin/PgDataSource.java             |  33 +++++
 src/main/kotlin/TestDb.kt                     |  49 +++++++
 src/main/resources/strings.properties         |   2 +
 .../dev/hossain/githubstats/Player.sq         |  21 +++
 8 files changed, 265 insertions(+), 1 deletion(-)
 create mode 100644 .idea/uiDesigner.xml
 create mode 100644 src/main/kotlin/PgDataSource.java
 create mode 100644 src/main/kotlin/TestDb.kt
 create mode 100644 src/main/sqldelight/dev/hossain/githubstats/Player.sq

diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
index fdc392fe..d2ce72d1 100644
--- a/.idea/jarRepositories.xml
+++ b/.idea/jarRepositories.xml
@@ -16,5 +16,10 @@
       <option name="name" value="MavenRepo" />
       <option name="url" value="https://repo.maven.apache.org/maven2/" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
index b1077fbd..9a55c2de 100644
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="1.7.10" />
+    <option name="version" value="1.8.22" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml
new file mode 100644
index 00000000..2b63946d
--- /dev/null
+++ b/.idea/uiDesigner.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
index 2ced8361..02ee6789 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -5,6 +5,11 @@ plugins {
     // https://kotlinlang.org/docs/releases.html#release-details
     kotlin("jvm") version "1.7.10"
     id("org.jmailen.kotlinter") version "3.12.0"
+
+    // SQLDelight - Generates typesafe Kotlin APIs from SQL
+    // https://cashapp.github.io/sqldelight/2.0.0/
+    id("app.cash.sqldelight") version "2.0.0"
+
     // https://kotlinlang.org/docs/ksp-quickstart.html#use-your-own-processor-in-a-project
     // id("com.google.devtools.ksp") version "1.7.10-1.0.6" // Not needed yet.
     application
@@ -14,9 +19,23 @@ group = "dev.hossain.githubstats"
 version = "1.0-SNAPSHOT"
 
 repositories {
+    google()
     mavenCentral()
 }
 
+// SQLDelight - Generates typesafe Kotlin APIs from SQL
+// https://github.com/cashapp/sqldelight
+sqldelight {
+    databases {
+        create("GitHubApiCacheDb") {
+            packageName.set("dev.hossain.githubstats")
+            // https://cashapp.github.io/sqldelight/2.0.0/jvm_postgresql/
+            dialect("app.cash.sqldelight:postgresql-dialect:2.0.0")
+
+        }
+    }
+}
+
 dependencies {
     // https://github.com/Kotlin/kotlinx.coroutines
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
@@ -45,6 +64,17 @@ dependencies {
     implementation("com.squareup.moshi:moshi-adapters:1.14.0")
     // ksp("com.squareup.moshi:moshi-kotlin-codegen:1.14.0") // Not needed yet.
 
+    // https://mvnrepository.com/artifact/org.postgresql/postgresql
+    implementation("org.postgresql:postgresql:42.6.0")
+
+    // 光 HikariCP・A solid, high-performance, JDBC connection pool at last.
+    // https://github.com/brettwooldridge/HikariCP#artifacts
+    // https://www.baeldung.com/hikaricp
+    implementation("com.zaxxer:HikariCP:5.0.1")
+
+    // https://cashapp.github.io/sqldelight/2.0.0/jvm_postgresql
+    implementation("app.cash.sqldelight:jdbc-driver:2.0.0")
+
     // https://github.com/doyaaaaaken/kotlin-csv
     implementation("com.github.doyaaaaaken:kotlin-csv-jvm:1.6.0") //for JVM platform
 
diff --git a/src/main/kotlin/PgDataSource.java b/src/main/kotlin/PgDataSource.java
new file mode 100644
index 00000000..b28844cb
--- /dev/null
+++ b/src/main/kotlin/PgDataSource.java
@@ -0,0 +1,33 @@
+import com.zaxxer.hikari.HikariConfig;
+import com.zaxxer.hikari.HikariDataSource;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+
+public class PgDataSource {
+
+    private static HikariConfig config = new HikariConfig();
+    private static HikariDataSource ds;
+
+    static {
+        // https://jdbc.postgresql.org/documentation/use/
+        //config.setJdbcUrl( "jdbc:postgresql://192.168.2.32:5432/exampledb" );
+        config.setJdbcUrl( "jdbc:postgresql://192.168.2.32:5432/exampledb?user=hkrpi");
+        config.setUsername( "hkrpi" );
+        config.setPassword( "pgdb@pi" );
+        config.addDataSourceProperty( "cachePrepStmts" , "true" );
+        config.addDataSourceProperty( "prepStmtCacheSize" , "250" );
+        config.addDataSourceProperty( "prepStmtCacheSqlLimit" , "2048" );
+        ds = new HikariDataSource( config );
+    }
+
+    private PgDataSource() {}
+
+    public static Connection getConnection() throws SQLException {
+        return ds.getConnection();
+    }
+
+    public static javax.sql.DataSource getSource() {
+        return ds.getDataSource();
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/TestDb.kt b/src/main/kotlin/TestDb.kt
new file mode 100644
index 00000000..f3e9b4f7
--- /dev/null
+++ b/src/main/kotlin/TestDb.kt
@@ -0,0 +1,49 @@
+import app.cash.sqldelight.db.SqlDriver
+import app.cash.sqldelight.driver.jdbc.asJdbcDriver
+import com.zaxxer.hikari.HikariConfig
+import com.zaxxer.hikari.HikariDataSource
+import dev.hossain.githubstats.GitHubApiCacheDb
+import dev.hossain.githubstats.HockeyPlayer
+import dev.hossain.githubstats.PlayerQueries
+import javax.sql.DataSource
+
+fun main() {
+    val dataSource: DataSource = getSource()
+    val driver: SqlDriver = dataSource.asJdbcDriver()
+
+    doDatabaseThings(driver)
+}
+
+private fun getSource(): DataSource {
+    val config: HikariConfig = HikariConfig()
+    // https://jdbc.postgresql.org/documentation/use/
+    //config.setJdbcUrl( "jdbc:postgresql://192.168.2.32:5432/exampledb" );
+    config.setJdbcUrl("jdbc:postgresql://192.168.2.32:5432/exampledb");
+    // jdbc:postgresql:///<DATABASE_NAME>?cloudSqlInstance=<INSTANCE_CONNECTION_NAME>&socketFactory=com.google.cloud.sql.postgres.SocketFactory&user=<POSTGRESQL_USER_NAME>&password=<POSTGRESQL_USER_PASSWORD>
+    //config.setJdbcUrl( "jdbc:postgresql:///exampledb?user=hkrpi&password=pgdb@pi");
+    config.username = "hkrpi";
+    config.password = "pgdb@pi";
+    config.addDataSourceProperty( "cachePrepStmts" , "true" );
+    config.addDataSourceProperty( "prepStmtCacheSize" , "250" );
+    config.addDataSourceProperty( "prepStmtCacheSqlLimit" , "2048" );
+    config.driverClassName = "org.postgresql.Driver"
+    val ds = HikariDataSource( config );
+
+
+    return ds.dataSource
+}
+
+fun doDatabaseThings(driver: SqlDriver) {
+    val database = GitHubApiCacheDb(driver)
+    val playerQueries: PlayerQueries = database.playerQueries
+
+    println(playerQueries.selectAll().executeAsList())
+    // [HockeyPlayer(15, "Ryan Getzlaf")]
+
+    playerQueries.insert(player_number = 10, full_name = "Corey Perry")
+    println(playerQueries.selectAll().executeAsList())
+    // [HockeyPlayer(15, "Ryan Getzlaf"), HockeyPlayer(10, "Corey Perry")]
+
+    val player = HockeyPlayer(10, "Ronald McDonald")
+    playerQueries.insertFullPlayerObject(player)
+}
\ No newline at end of file
diff --git a/src/main/resources/strings.properties b/src/main/resources/strings.properties
index c537b5a2..d66afae7 100644
--- a/src/main/resources/strings.properties
+++ b/src/main/resources/strings.properties
@@ -4,7 +4,9 @@
 # ---------------------------------------------------------------------------------------------------------------------
 # This only supports ISO 8859-1 character encoding
 # -- Why? See: https://stackoverflow.com/a/59479929/132121
+#
 # Need special UTF-8 unicode char, see https://www.fileformat.info/info/unicode/char/search.htm
+#
 # Need formatting help? See
 # -- https://docs.oracle.com/javase/8/docs/api/java/util/Formatter.html#syntax
 # -- https://docs.oracle.com/javase/tutorial/java/data/numberformat.html
diff --git a/src/main/sqldelight/dev/hossain/githubstats/Player.sq b/src/main/sqldelight/dev/hossain/githubstats/Player.sq
new file mode 100644
index 00000000..5a054671
--- /dev/null
+++ b/src/main/sqldelight/dev/hossain/githubstats/Player.sq
@@ -0,0 +1,21 @@
+CREATE TABLE hockeyPlayer (
+  player_number INTEGER PRIMARY KEY NOT NULL,
+  full_name TEXT NOT NULL
+);
+
+CREATE INDEX hockeyPlayer_full_name ON hockeyPlayer(full_name);
+
+INSERT INTO hockeyPlayer (player_number, full_name)
+VALUES (15, 'Ryan Getzlaf');
+
+selectAll:
+SELECT *
+FROM hockeyPlayer;
+
+insert:
+INSERT INTO hockeyPlayer(player_number, full_name)
+VALUES (?, ?);
+
+insertFullPlayerObject:
+INSERT INTO hockeyPlayer(player_number, full_name)
+VALUES ?;
\ No newline at end of file

From d4de3ba89ebe21e0a011d687fc8ba2dc7ef57ff3 Mon Sep 17 00:00:00 2001
From: Hossain Khan <hello@hossain.dev>
Date: Wed, 6 Sep 2023 00:09:54 -0400
Subject: [PATCH 2/4] WIP - PG DB working finally

---
 src/main/kotlin/PgDataSource.java | 33 -------------------------------
 src/main/kotlin/TestDb.kt         |  6 +++++-
 2 files changed, 5 insertions(+), 34 deletions(-)
 delete mode 100644 src/main/kotlin/PgDataSource.java

diff --git a/src/main/kotlin/PgDataSource.java b/src/main/kotlin/PgDataSource.java
deleted file mode 100644
index b28844cb..00000000
--- a/src/main/kotlin/PgDataSource.java
+++ /dev/null
@@ -1,33 +0,0 @@
-import com.zaxxer.hikari.HikariConfig;
-import com.zaxxer.hikari.HikariDataSource;
-
-import java.sql.Connection;
-import java.sql.SQLException;
-
-public class PgDataSource {
-
-    private static HikariConfig config = new HikariConfig();
-    private static HikariDataSource ds;
-
-    static {
-        // https://jdbc.postgresql.org/documentation/use/
-        //config.setJdbcUrl( "jdbc:postgresql://192.168.2.32:5432/exampledb" );
-        config.setJdbcUrl( "jdbc:postgresql://192.168.2.32:5432/exampledb?user=hkrpi");
-        config.setUsername( "hkrpi" );
-        config.setPassword( "pgdb@pi" );
-        config.addDataSourceProperty( "cachePrepStmts" , "true" );
-        config.addDataSourceProperty( "prepStmtCacheSize" , "250" );
-        config.addDataSourceProperty( "prepStmtCacheSqlLimit" , "2048" );
-        ds = new HikariDataSource( config );
-    }
-
-    private PgDataSource() {}
-
-    public static Connection getConnection() throws SQLException {
-        return ds.getConnection();
-    }
-
-    public static javax.sql.DataSource getSource() {
-        return ds.getDataSource();
-    }
-}
\ No newline at end of file
diff --git a/src/main/kotlin/TestDb.kt b/src/main/kotlin/TestDb.kt
index f3e9b4f7..36aa28b3 100644
--- a/src/main/kotlin/TestDb.kt
+++ b/src/main/kotlin/TestDb.kt
@@ -29,8 +29,12 @@ private fun getSource(): DataSource {
     config.driverClassName = "org.postgresql.Driver"
     val ds = HikariDataSource( config );
 
+    val conn = ds.getConnection()
 
-    return ds.dataSource
+    println("conn.isClosed ${conn.isClosed} - ${conn.schema} ${conn.metaData} ${conn.typeMap}")
+
+
+    return ds
 }
 
 fun doDatabaseThings(driver: SqlDriver) {

From bd0d60e44469bca05f882a4b15f7274a92113569 Mon Sep 17 00:00:00 2001
From: Hossain Khan <hello@hossain.dev>
Date: Thu, 23 Nov 2023 22:52:30 -0500
Subject: [PATCH 3/4] [UPDATE] Config and test code

---
 build.gradle.kts                              |  5 ++
 src/main/kotlin/TestDb.kt                     | 61 +++++++++----------
 .../dev/hossain/githubstats/ResponseCache.sq  | 30 +++++++++
 3 files changed, 64 insertions(+), 32 deletions(-)
 create mode 100644 src/main/sqldelight/dev/hossain/githubstats/ResponseCache.sq

diff --git a/build.gradle.kts b/build.gradle.kts
index 02ee6789..3892c9f1 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -67,6 +67,11 @@ dependencies {
     // https://mvnrepository.com/artifact/org.postgresql/postgresql
     implementation("org.postgresql:postgresql:42.6.0")
 
+    // https://mvnrepository.com/artifact/org.slf4j/slf4j-api
+    implementation("org.slf4j:slf4j-api:2.0.9")
+    // https://mvnrepository.com/artifact/org.slf4j/slf4j-simple
+    implementation("org.slf4j:slf4j-simple:2.0.9")
+
     // 光 HikariCP・A solid, high-performance, JDBC connection pool at last.
     // https://github.com/brettwooldridge/HikariCP#artifacts
     // https://www.baeldung.com/hikaricp
diff --git a/src/main/kotlin/TestDb.kt b/src/main/kotlin/TestDb.kt
index 36aa28b3..288f4a7e 100644
--- a/src/main/kotlin/TestDb.kt
+++ b/src/main/kotlin/TestDb.kt
@@ -5,49 +5,46 @@ import com.zaxxer.hikari.HikariDataSource
 import dev.hossain.githubstats.GitHubApiCacheDb
 import dev.hossain.githubstats.HockeyPlayer
 import dev.hossain.githubstats.PlayerQueries
+import dev.hossain.githubstats.util.LocalProperties
 import javax.sql.DataSource
 
 fun main() {
-    val dataSource: DataSource = getSource()
-    val driver: SqlDriver = dataSource.asJdbcDriver()
+    val newDataSource = getDataSource()
+    val newDriver: SqlDriver = newDataSource.asJdbcDriver()
 
-    doDatabaseThings(driver)
+    doDatabaseThings(newDriver)
 }
 
-private fun getSource(): DataSource {
-    val config: HikariConfig = HikariConfig()
-    // https://jdbc.postgresql.org/documentation/use/
-    //config.setJdbcUrl( "jdbc:postgresql://192.168.2.32:5432/exampledb" );
-    config.setJdbcUrl("jdbc:postgresql://192.168.2.32:5432/exampledb");
-    // jdbc:postgresql:///<DATABASE_NAME>?cloudSqlInstance=<INSTANCE_CONNECTION_NAME>&socketFactory=com.google.cloud.sql.postgres.SocketFactory&user=<POSTGRESQL_USER_NAME>&password=<POSTGRESQL_USER_PASSWORD>
-    //config.setJdbcUrl( "jdbc:postgresql:///exampledb?user=hkrpi&password=pgdb@pi");
-    config.username = "hkrpi";
-    config.password = "pgdb@pi";
-    config.addDataSourceProperty( "cachePrepStmts" , "true" );
-    config.addDataSourceProperty( "prepStmtCacheSize" , "250" );
-    config.addDataSourceProperty( "prepStmtCacheSqlLimit" , "2048" );
-    config.driverClassName = "org.postgresql.Driver"
-    val ds = HikariDataSource( config );
-
-    val conn = ds.getConnection()
-
-    println("conn.isClosed ${conn.isClosed} - ${conn.schema} ${conn.metaData} ${conn.typeMap}")
+/**
+ * Creates a [DataSource] using [HikariDataSource].
+ */
+private fun getDataSource(): DataSource {
+    val properties = LocalProperties()
+    val dbHost = properties.getProperty("db_host")
+    val dbPort = properties.getProperty("db_port")
+    val dbName = properties.getProperty("db_name")
+    val userName = properties.getProperty("db_username")
+    val dbPassword = properties.getProperty("db_password")
 
-
-    return ds
+    // https://jdbc.postgresql.org/documentation/use/
+    val config = HikariConfig().apply {
+        jdbcUrl = "jdbc:postgresql://${dbHost}:${dbPort}/${dbName}"
+        driverClassName = "org.postgresql.Driver"
+        username = userName
+        password = dbPassword
+        maximumPoolSize = 3
+        isAutoCommit = false
+        transactionIsolation = "TRANSACTION_REPEATABLE_READ"
+        validate()
+    }
+    return HikariDataSource(config)
 }
 
 fun doDatabaseThings(driver: SqlDriver) {
     val database = GitHubApiCacheDb(driver)
-    val playerQueries: PlayerQueries = database.playerQueries
-
-    println(playerQueries.selectAll().executeAsList())
-    // [HockeyPlayer(15, "Ryan Getzlaf")]
+    val responseCacheQueries = database.responseCacheQueries
 
-    playerQueries.insert(player_number = 10, full_name = "Corey Perry")
-    println(playerQueries.selectAll().executeAsList())
-    // [HockeyPlayer(15, "Ryan Getzlaf"), HockeyPlayer(10, "Corey Perry")]
+    responseCacheQueries.selectAll()
+    println(responseCacheQueries.selectAll().executeAsList())
 
-    val player = HockeyPlayer(10, "Ronald McDonald")
-    playerQueries.insertFullPlayerObject(player)
 }
\ No newline at end of file
diff --git a/src/main/sqldelight/dev/hossain/githubstats/ResponseCache.sq b/src/main/sqldelight/dev/hossain/githubstats/ResponseCache.sq
new file mode 100644
index 00000000..290fa158
--- /dev/null
+++ b/src/main/sqldelight/dev/hossain/githubstats/ResponseCache.sq
@@ -0,0 +1,30 @@
+CREATE TABLE IF NOT EXISTS response_cache
+(
+    request_url character varying(512) NOT NULL,
+    id integer NOT NULL,
+    response json NOT NULL,
+    CONSTRAINT response_cache_pkey PRIMARY KEY (id)
+);
+
+
+selectAll:
+SELECT *
+FROM response_cache;
+
+insert:
+INSERT INTO response_cache(id, request_url, response)
+VALUES ( ?, ?, ?);
+
+select:
+SELECT * FROM response_cache
+WHERE request_url = ?;
+
+delete:
+DELETE FROM response_cache
+WHERE request_url = ?;
+
+deleteAll:
+DELETE FROM response_cache;
+
+count:
+SELECT COUNT(*) FROM response_cache;
\ No newline at end of file

From d211ffa524d868b8f584568359640e6a7cb211d9 Mon Sep 17 00:00:00 2001
From: Hossain Khan <hello@hossain.dev>
Date: Thu, 23 Nov 2023 23:12:10 -0500
Subject: [PATCH 4/4] [ADDED] Interceptor

Some ideas are taken from https://stackoverflow.com/questions/73825701/decoding-response-body-on-the-fly-in-an-okhttp-interceptor
---
 src/main/kotlin/TestDb.kt                           |  2 --
 .../kotlin/dev/hossain/githubstats/io/Client.kt     | 13 +++++++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/main/kotlin/TestDb.kt b/src/main/kotlin/TestDb.kt
index 288f4a7e..e1eb4321 100644
--- a/src/main/kotlin/TestDb.kt
+++ b/src/main/kotlin/TestDb.kt
@@ -3,8 +3,6 @@ import app.cash.sqldelight.driver.jdbc.asJdbcDriver
 import com.zaxxer.hikari.HikariConfig
 import com.zaxxer.hikari.HikariDataSource
 import dev.hossain.githubstats.GitHubApiCacheDb
-import dev.hossain.githubstats.HockeyPlayer
-import dev.hossain.githubstats.PlayerQueries
 import dev.hossain.githubstats.util.LocalProperties
 import javax.sql.DataSource
 
diff --git a/src/main/kotlin/dev/hossain/githubstats/io/Client.kt b/src/main/kotlin/dev/hossain/githubstats/io/Client.kt
index 8d39e1af..4b2dec71 100644
--- a/src/main/kotlin/dev/hossain/githubstats/io/Client.kt
+++ b/src/main/kotlin/dev/hossain/githubstats/io/Client.kt
@@ -20,6 +20,7 @@ import okhttp3.Cache
 import okhttp3.HttpUrl
 import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
 import okhttp3.OkHttpClient
+import okhttp3.ResponseBody
 import okhttp3.logging.HttpLoggingInterceptor
 import retrofit2.Retrofit
 import retrofit2.converter.moshi.MoshiConverterFactory
@@ -78,6 +79,18 @@ object Client {
             chain.proceed(requestBuilder.build())
         }
 
+        // Add another interceptor for caching
+        builder.addInterceptor { chain ->
+            println("Intercepting request: ${chain.request().url}")
+            val originalRequest = chain.request()
+
+            val response = chain.proceed(originalRequest)
+            val responseBody: String = response.peekBody(Long.MAX_VALUE).string()
+            println("Response body size: ${responseBody.length}")
+
+            response
+        }
+
         // https://square.github.io/okhttp/features/caching/
         builder.cache(
             Cache(