feat: Enhance database integrity checks and repair functionality across scripts

plex/nuclear-plex-recovery.sh

@@ -66,6 +66,7 @@ NC='\033[0m' # No Color
 
 # Configuration
 PLEX_DB_DIR="/var/lib/plexmediaserver/Library/Application Support/Plex Media Server/Plug-in Support/Databases"
+PLEX_SQLITE="/usr/lib/plexmediaserver/Plex SQLite"
 PLEX_USER="plex"
 PLEX_GROUP="plex"
 BACKUP_TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
@@ -244,27 +245,66 @@ restore_from_backup() {
     fi
 }
 
-# Function to verify restored databases
+# Function to verify restored databases (structural + FTS)
 verify_databases() {
     print_status "$YELLOW" "Verifying restored databases..."
 
-    # Check main database
-    if sqlite3 "${PLEX_DB_DIR}/com.plexapp.plugins.library.db" "PRAGMA integrity_check;" | grep -q "ok"; then
-        print_status "$GREEN" "Main database integrity check: PASSED"
-    else
-        print_status "$RED" "Main database integrity check: FAILED"
-        return 1
+    # Use Plex's bundled SQLite for ICU compatibility; fall back to system sqlite3
+    local sqlite_bin="sqlite3"
+    if [[ -x "$PLEX_SQLITE" ]]; then
+        sqlite_bin="$PLEX_SQLITE"
     fi
 
-    # Check blobs database
-    if sqlite3 "${PLEX_DB_DIR}/com.plexapp.plugins.library.blobs.db" "PRAGMA integrity_check;" | grep -q "ok"; then
-        print_status "$GREEN" "Blobs database integrity check: PASSED"
+    local overall_ok=true
+
+    for db_file in \
+        "${PLEX_DB_DIR}/com.plexapp.plugins.library.db" \
+        "${PLEX_DB_DIR}/com.plexapp.plugins.library.blobs.db"; do
+
+        local db_name
+        db_name=$(basename "$db_file")
+
+        if [[ ! -f "$db_file" ]]; then
+            print_status "$RED" "$db_name: NOT FOUND"
+            overall_ok=false
+            continue
+        fi
+
+        # Structural integrity
+        local result
+        result=$("$sqlite_bin" "$db_file" "PRAGMA integrity_check;" 2>&1)
+        if [[ "$result" == "ok" ]]; then
+            print_status "$GREEN" "$db_name structural integrity: PASSED"
+        else
+            print_status "$RED" "$db_name structural integrity: FAILED"
+            overall_ok=false
+        fi
+
+        # FTS index integrity
+        local fts_tables
+        fts_tables=$("$sqlite_bin" "$db_file" \
+            "SELECT name FROM sqlite_master WHERE type='table' AND sql LIKE '%fts%';" 2>/dev/null) || true
+        if [[ -n "$fts_tables" ]]; then
+            while IFS= read -r table; do
+                [[ -z "$table" ]] && continue
+                local fts_result
+                fts_result=$("$sqlite_bin" "$db_file" \
+                    "INSERT INTO ${table}(${table}) VALUES('integrity-check');" 2>&1) || true
+                if [[ -n "$fts_result" ]]; then
+                    print_status "$RED" "$db_name FTS index '$table': DAMAGED"
+                    overall_ok=false
+                fi
+            done <<< "$fts_tables"
+        fi
+    done
+
+    if [[ "$overall_ok" == true ]]; then
+        print_status "$GREEN" "All database integrity checks passed!"
+        return 0
     else
-        print_status "$RED" "Blobs database integrity check: FAILED"
+        print_status "$RED" "One or more database checks failed!"
         return 1
     fi
-
-    print_status "$GREEN" "All database integrity checks passed!"
 }
 
 # Function to fix ownership issues