eq2go/internal/database/database.go

423 lines
11 KiB
Go

package database
import (
"database/sql"
"fmt"
"sync"
_ "modernc.org/sqlite"
"zombiezen.com/go/sqlite/sqlitex"
)
// Database wraps the SQL database connection
type Database struct {
db *sql.DB
pool *sqlitex.Pool // For achievements system compatibility
dbPath string // Store path for pool creation
mutex sync.RWMutex
}
// New creates a new database connection
func New(path string) (*Database, error) {
db, err := sql.Open("sqlite", path)
if err != nil {
return nil, fmt.Errorf("failed to open database: %w", err)
}
// Test connection
if err := db.Ping(); err != nil {
return nil, fmt.Errorf("failed to ping database: %w", err)
}
// Set connection pool settings
db.SetMaxOpenConns(25)
db.SetMaxIdleConns(5)
// Create sqlitex pool for achievements system
pool, err := sqlitex.NewPool(path, sqlitex.PoolOptions{
PoolSize: 5,
})
if err != nil {
return nil, fmt.Errorf("failed to create sqlite pool: %w", err)
}
d := &Database{
db: db,
pool: pool,
dbPath: path,
}
// Initialize schema
if err := d.initSchema(); err != nil {
return nil, fmt.Errorf("failed to initialize schema: %w", err)
}
return d, nil
}
// Close closes the database connection
func (d *Database) Close() error {
if d.pool != nil {
d.pool.Close()
}
return d.db.Close()
}
// GetPool returns the sqlitex pool for achievements system compatibility
func (d *Database) GetPool() *sqlitex.Pool {
return d.pool
}
// initSchema creates the database schema if it doesn't exist
func (d *Database) initSchema() error {
schemas := []string{
// Rules table
`CREATE TABLE IF NOT EXISTS rules (
id INTEGER PRIMARY KEY AUTOINCREMENT,
category TEXT NOT NULL,
name TEXT NOT NULL,
value TEXT NOT NULL,
description TEXT,
UNIQUE(category, name)
)`,
// Accounts table
`CREATE TABLE IF NOT EXISTS accounts (
id INTEGER PRIMARY KEY AUTOINCREMENT,
username TEXT UNIQUE NOT NULL,
password TEXT NOT NULL,
email TEXT,
admin_level INTEGER DEFAULT 0,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
last_login DATETIME
)`,
// Characters table
`CREATE TABLE IF NOT EXISTS characters (
id INTEGER PRIMARY KEY AUTOINCREMENT,
account_id INTEGER NOT NULL,
name TEXT UNIQUE NOT NULL,
race_id INTEGER NOT NULL,
class_id INTEGER NOT NULL,
level INTEGER DEFAULT 1,
x REAL DEFAULT 0,
y REAL DEFAULT 0,
z REAL DEFAULT 0,
heading REAL DEFAULT 0,
zone_id INTEGER DEFAULT 0,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
last_played DATETIME,
FOREIGN KEY(account_id) REFERENCES accounts(id)
)`,
// Zones table
`CREATE TABLE IF NOT EXISTS zones (
id INTEGER PRIMARY KEY,
name TEXT NOT NULL,
file TEXT NOT NULL,
description TEXT,
motd TEXT,
min_level INTEGER DEFAULT 0,
max_level INTEGER DEFAULT 100,
min_version INTEGER DEFAULT 0,
xp_modifier REAL DEFAULT 1.0,
city_zone INTEGER DEFAULT 0,
weather_allowed INTEGER DEFAULT 1,
safe_x REAL DEFAULT 0,
safe_y REAL DEFAULT 0,
safe_z REAL DEFAULT 0,
safe_heading REAL DEFAULT 0
)`,
// Server statistics table
`CREATE TABLE IF NOT EXISTS server_stats (
stat_id INTEGER PRIMARY KEY,
stat_value INTEGER,
stat_date INTEGER,
save_needed INTEGER DEFAULT 0
)`,
// Merchant tables
`CREATE TABLE IF NOT EXISTS merchants (
id INTEGER PRIMARY KEY,
name TEXT NOT NULL,
merchant_type INTEGER DEFAULT 0
)`,
`CREATE TABLE IF NOT EXISTS merchant_items (
merchant_id INTEGER NOT NULL,
item_id INTEGER NOT NULL,
quantity INTEGER DEFAULT -1,
price_coins INTEGER DEFAULT 0,
price_status INTEGER DEFAULT 0,
PRIMARY KEY(merchant_id, item_id),
FOREIGN KEY(merchant_id) REFERENCES merchants(id)
)`,
// Achievement tables
`CREATE TABLE IF NOT EXISTS achievements (
achievement_id INTEGER PRIMARY KEY,
title TEXT NOT NULL,
uncompleted_text TEXT,
completed_text TEXT,
category TEXT,
expansion TEXT,
icon INTEGER DEFAULT 0,
point_value INTEGER DEFAULT 0,
qty_req INTEGER DEFAULT 1,
hide_achievement INTEGER DEFAULT 0,
unknown3a INTEGER DEFAULT 0,
unknown3b INTEGER DEFAULT 0
)`,
`CREATE TABLE IF NOT EXISTS achievements_requirements (
achievement_id INTEGER NOT NULL,
name TEXT NOT NULL,
qty_req INTEGER DEFAULT 1,
PRIMARY KEY(achievement_id, name),
FOREIGN KEY(achievement_id) REFERENCES achievements(achievement_id) ON DELETE CASCADE
)`,
`CREATE TABLE IF NOT EXISTS achievements_rewards (
achievement_id INTEGER NOT NULL,
reward TEXT NOT NULL,
PRIMARY KEY(achievement_id, reward),
FOREIGN KEY(achievement_id) REFERENCES achievements(achievement_id) ON DELETE CASCADE
)`,
`CREATE TABLE IF NOT EXISTS character_achievements (
char_id INTEGER NOT NULL,
achievement_id INTEGER NOT NULL,
completed_date INTEGER,
PRIMARY KEY(char_id, achievement_id),
FOREIGN KEY(char_id) REFERENCES characters(id) ON DELETE CASCADE,
FOREIGN KEY(achievement_id) REFERENCES achievements(achievement_id) ON DELETE CASCADE
)`,
`CREATE TABLE IF NOT EXISTS character_achievements_items (
char_id INTEGER NOT NULL,
achievement_id INTEGER NOT NULL,
items INTEGER DEFAULT 0,
PRIMARY KEY(char_id, achievement_id),
FOREIGN KEY(char_id) REFERENCES characters(id) ON DELETE CASCADE,
FOREIGN KEY(achievement_id) REFERENCES achievements(achievement_id) ON DELETE CASCADE
)`,
// Title tables
`CREATE TABLE IF NOT EXISTS titles (
title_id INTEGER PRIMARY KEY,
text TEXT NOT NULL,
category INTEGER DEFAULT 0,
rarity INTEGER DEFAULT 0,
position INTEGER DEFAULT 0,
description TEXT,
is_unique INTEGER DEFAULT 0,
is_hidden INTEGER DEFAULT 0,
color_code TEXT,
requirements TEXT,
source_type INTEGER DEFAULT 0,
source_id INTEGER DEFAULT 0,
created_date INTEGER,
expire_date INTEGER
)`,
`CREATE TABLE IF NOT EXISTS character_titles (
char_id INTEGER NOT NULL,
title_id INTEGER NOT NULL,
source_achievement_id INTEGER DEFAULT 0,
source_quest_id INTEGER DEFAULT 0,
granted_date INTEGER,
expire_date INTEGER,
PRIMARY KEY(char_id, title_id),
FOREIGN KEY(char_id) REFERENCES characters(id) ON DELETE CASCADE,
FOREIGN KEY(title_id) REFERENCES titles(title_id) ON DELETE CASCADE
)`,
`CREATE TABLE IF NOT EXISTS character_active_titles (
char_id INTEGER PRIMARY KEY,
prefix_title_id INTEGER DEFAULT 0,
suffix_title_id INTEGER DEFAULT 0,
FOREIGN KEY(char_id) REFERENCES characters(id) ON DELETE CASCADE,
FOREIGN KEY(prefix_title_id) REFERENCES titles(title_id) ON DELETE SET NULL,
FOREIGN KEY(suffix_title_id) REFERENCES titles(title_id) ON DELETE SET NULL
)`,
// NPC tables
`CREATE TABLE IF NOT EXISTS npcs (
id INTEGER PRIMARY KEY,
name TEXT NOT NULL,
level INTEGER DEFAULT 1,
max_level INTEGER DEFAULT 1,
race INTEGER DEFAULT 0,
model_type INTEGER DEFAULT 0,
size INTEGER DEFAULT 32,
hp INTEGER DEFAULT 100,
power INTEGER DEFAULT 100,
x REAL DEFAULT 0,
y REAL DEFAULT 0,
z REAL DEFAULT 0,
heading REAL DEFAULT 0,
respawn_time INTEGER DEFAULT 300,
zone_id INTEGER DEFAULT 0,
aggro_radius REAL DEFAULT 10,
ai_strategy INTEGER DEFAULT 0,
loot_table_id INTEGER DEFAULT 0,
merchant_type INTEGER DEFAULT 0,
randomize_appearance INTEGER DEFAULT 0,
show_name INTEGER DEFAULT 1,
show_level INTEGER DEFAULT 1,
targetable INTEGER DEFAULT 1,
show_command_icon INTEGER DEFAULT 1,
display_hand_icon INTEGER DEFAULT 0,
faction_id INTEGER DEFAULT 0,
created_date INTEGER,
last_modified INTEGER
)`,
`CREATE TABLE IF NOT EXISTS npc_spells (
npc_id INTEGER NOT NULL,
spell_id INTEGER NOT NULL,
tier INTEGER DEFAULT 1,
hp_percentage INTEGER DEFAULT 100,
priority INTEGER DEFAULT 1,
cast_type INTEGER DEFAULT 0,
recast_delay INTEGER DEFAULT 5,
PRIMARY KEY(npc_id, spell_id),
FOREIGN KEY(npc_id) REFERENCES npcs(id) ON DELETE CASCADE
)`,
`CREATE TABLE IF NOT EXISTS npc_skills (
npc_id INTEGER NOT NULL,
skill_name TEXT NOT NULL,
skill_value INTEGER DEFAULT 0,
max_value INTEGER DEFAULT 0,
PRIMARY KEY(npc_id, skill_name),
FOREIGN KEY(npc_id) REFERENCES npcs(id) ON DELETE CASCADE
)`,
`CREATE TABLE IF NOT EXISTS npc_loot (
npc_id INTEGER NOT NULL,
item_id INTEGER NOT NULL,
probability REAL DEFAULT 100.0,
min_level INTEGER DEFAULT 0,
max_level INTEGER DEFAULT 100,
PRIMARY KEY(npc_id, item_id),
FOREIGN KEY(npc_id) REFERENCES npcs(id) ON DELETE CASCADE
)`,
}
for _, schema := range schemas {
if _, err := d.db.Exec(schema); err != nil {
return fmt.Errorf("failed to create schema: %w", err)
}
}
return nil
}
// Query executes a query that returns rows
func (d *Database) Query(query string, args ...interface{}) (*sql.Rows, error) {
return d.db.Query(query, args...)
}
// QueryRow executes a query that returns a single row
func (d *Database) QueryRow(query string, args ...interface{}) *sql.Row {
return d.db.QueryRow(query, args...)
}
// Exec executes a query that doesn't return rows
func (d *Database) Exec(query string, args ...interface{}) (sql.Result, error) {
return d.db.Exec(query, args...)
}
// Begin starts a transaction
func (d *Database) Begin() (*sql.Tx, error) {
return d.db.Begin()
}
// LoadRules loads all rules from the database
func (d *Database) LoadRules() (map[string]map[string]string, error) {
rows, err := d.Query("SELECT category, name, value FROM rules")
if err != nil {
return nil, err
}
defer rows.Close()
rules := make(map[string]map[string]string)
for rows.Next() {
var category, name, value string
if err := rows.Scan(&category, &name, &value); err != nil {
return nil, err
}
if rules[category] == nil {
rules[category] = make(map[string]string)
}
rules[category][name] = value
}
return rules, rows.Err()
}
// SaveRule saves a rule to the database
func (d *Database) SaveRule(category, name, value, description string) error {
_, err := d.Exec(`
INSERT OR REPLACE INTO rules (category, name, value, description)
VALUES (?, ?, ?, ?)
`, category, name, value, description)
return err
}
// GetZones retrieves all zones from the database
func (d *Database) GetZones() ([]map[string]interface{}, error) {
rows, err := d.Query(`
SELECT id, name, file, description, motd, min_level, max_level,
min_version, xp_modifier, city_zone, weather_allowed,
safe_x, safe_y, safe_z, safe_heading
FROM zones
ORDER BY name
`)
if err != nil {
return nil, err
}
defer rows.Close()
var zones []map[string]interface{}
for rows.Next() {
zone := make(map[string]interface{})
var id, minLevel, maxLevel, minVersion int
var name, file, description, motd string
var xpModifier, safeX, safeY, safeZ, safeHeading float64
var cityZone, weatherAllowed bool
err := rows.Scan(&id, &name, &file, &description, &motd,
&minLevel, &maxLevel, &minVersion, &xpModifier,
&cityZone, &weatherAllowed,
&safeX, &safeY, &safeZ, &safeHeading)
if err != nil {
return nil, err
}
zone["id"] = id
zone["name"] = name
zone["file"] = file
zone["description"] = description
zone["motd"] = motd
zone["min_level"] = minLevel
zone["max_level"] = maxLevel
zone["min_version"] = minVersion
zone["xp_modifier"] = xpModifier
zone["city_zone"] = cityZone
zone["weather_allowed"] = weatherAllowed
zone["safe_x"] = safeX
zone["safe_y"] = safeY
zone["safe_z"] = safeZ
zone["safe_heading"] = safeHeading
zones = append(zones, zone)
}
return zones, rows.Err()
}