updated main db api for restore steps

Author: MIKEINTOSHSYSTEMS

api/database/restore.php

@@ -14,9 +14,6 @@
 $dbPassword = 'hispmddb';
 $dbName = 'hisp_md';
 
-// Docker container name
-$containerName = 'hispmd_postgres';
-
 // Directory to store backups
 $backupDir = './backup';
 
@@ -35,45 +32,75 @@
     exit;
 }
 
-// Ensure the database exists; if not, create it
-$checkDbCommand = "docker exec -i $containerName sh -c \"PGPASSWORD='$dbPassword' psql -h $dbHost -U $dbUser -tAc 'SELECT 1 FROM pg_database WHERE datname = \"$dbName\"'\"";
-exec($checkDbCommand, $output, $return_var);
-
-// If the database doesn't exist, create it
-if ($return_var !== 0 || empty($output)) {
-    $createDbCommand = "docker exec -i $containerName sh -c \"PGPASSWORD='$dbPassword' psql -h $dbHost -U $dbUser -c 'CREATE DATABASE $dbName;'\"";
-    exec($createDbCommand, $output, $return_var);
-    if ($return_var !== 0) {
-        echo json_encode(['success' => false, 'message' => 'Error creating database. Details: ' . implode("\n", $output)]);
-        exit;
-    }
+// Connect to the PostgreSQL database (newly created)
+$connString = "host=$dbHost dbname=$dbName user=$dbUser password=$dbPassword";
+$conn = pg_connect($connString);
+
+if (!$conn) {
+    echo json_encode(['success' => false, 'message' => 'Failed to connect to PostgreSQL database']);
+    exit;
 }
 
-// Drop all tables and other objects in the public schema (clean restore)
-$dropAllCommand = "docker exec -i $containerName sh -c \"PGPASSWORD='$dbPassword' psql -h $dbHost -U $dbUser -d $dbName -c 'DROP SCHEMA IF EXISTS public CASCADE; CREATE SCHEMA public;'\"";
-exec($dropAllCommand . ' 2>&1', $output, $return_var);
+// Drop all tables and other objects in the public schema
+$query = "DROP SCHEMA IF EXISTS public CASCADE; CREATE SCHEMA public;";
+$result = pg_query($conn, $query);
 
-if ($return_var !== 0) {
-    echo json_encode(['success' => false, 'message' => 'Error dropping schema. Details: ' . implode("\n", $output)]);
+if (!$result) {
+    echo json_encode(['success' => false, 'message' => 'Error dropping schema. Details: ' . pg_last_error($conn)]);
+    pg_close($conn);
     exit;
 }
 
-// Copy the backup file to the Docker container
-$copyBackupCommand = "docker cp $backupFilePath $containerName:/tmp/$backupFile";
-exec($copyBackupCommand . ' 2>&1', $output, $return_var);
+// Ensure pg_restore command is correct
+// Specify the host explicitly with the -h option
+// Pass the password via PGPASSWORD environment variable
+
+$restoreCommand = "PGPASSWORD='$dbPassword' pg_restore -h $dbHost -U $dbUser -d $dbName -v $backupFilePath";
+
+// Provide the full path to pg_restore, if necessary
+$fullPathRestoreCommand = "PGPASSWORD='$dbPassword' /usr/bin/pg_restore -h $dbHost -U $dbUser -d $dbName -v $backupFilePath";  // Adjust to where pg_restore is located on your system
+
+// Execute the restore command with shell_exec
+$restoreResult = shell_exec($fullPathRestoreCommand . ' 2>&1');
+
+// Capture the output for debugging
+if ($restoreResult === null) {
+    echo json_encode(['success' => false, 'message' => 'Error executing restore command']);
+    pg_close($conn);
+    exit;
+}
 
-if ($return_var !== 0) {
-    echo json_encode(['success' => false, 'message' => 'Error copying backup file to Docker container. Details: ' . implode("\n", $output)]);
+// Check for errors in the restore process
+if (strpos($restoreResult, 'error') !== false || strpos($restoreResult, 'failed') !== false) {
+    echo json_encode(['success' => false, 'message' => 'Restore failed. Details: ' . $restoreResult]);
+    pg_close($conn);
     exit;
 }
 
-// Restore the backup
-$restoreCommand = "docker exec -i $containerName sh -c \"PGPASSWORD='$dbPassword' pg_restore -h $dbHost -U $dbUser -d $dbName -v /tmp/$backupFile\"";
-exec($restoreCommand . ' 2>&1', $output, $return_var);
+echo json_encode(['success' => true, 'message' => "Backup successfully restored: $backupFilePath"]);
 
-if ($return_var === 0) {
-    echo json_encode(['success' => true, 'message' => "Backup successfully restored: $backupFilePath"]);
-} else {
-    echo json_encode(['success' => false, 'message' => 'Error restoring backup. Details: ' . implode("\n", $output)]);
+// Close the PostgreSQL connection
+pg_close($conn);
+
+
+// at line  35 
+// we removed the line
+/*
+// Drop the existing database
+$dropDbCommand = "PGPASSWORD='$dbPassword' psql -h $dbHost -U $dbUser -d postgres -c 'DROP DATABASE IF EXISTS $dbName;'";
+$dropDbOutput = shell_exec($dropDbCommand . ' 2>&1');
+
+if (strpos($dropDbOutput, 'ERROR') !== false) {
+    echo json_encode(['success' => false, 'message' => 'Error dropping database. Details: ' . $dropDbOutput]);
+    exit;
+}
+
+// Recreate the database
+$createDbCommand = "PGPASSWORD='$dbPassword' psql -h $dbHost -U $dbUser -d postgres -c 'CREATE DATABASE $dbName;'";
+$createDbOutput = shell_exec($createDbCommand . ' 2>&1');
+
+if (strpos($createDbOutput, 'ERROR') !== false) {
+    echo json_encode(['success' => false, 'message' => 'Error creating database. Details: ' . $createDbOutput]);
+    exit;
 }
-?>
+*/