Files
zkill-susser/db.go

704 lines
19 KiB
Go

package main
import (
"context"
"fmt"
"strings"
"time"
"zkillsusser/models"
"git.site.quack-lab.dev/dave/cylogger"
logger "git.site.quack-lab.dev/dave/cylogger"
"github.com/ClickHouse/clickhouse-go/v2"
"github.com/ClickHouse/clickhouse-go/v2/lib/driver"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
"gorm.io/gorm/schema"
)
type DB interface {
Init() error
Get() *gorm.DB
SaveKillmails(killmails []Killmail) error
QueryFits(params QueryParams) (*FitStatistics, error)
SearchShips(query string, limit int) ([]models.InvType, error)
SearchSystems(query string, limit int) ([]models.MapSolarSystem, error)
SearchModules(query string, limit int) ([]models.InvType, error)
SearchGroups(query string, limit int) ([]models.InvGroup, error)
// Non retarded APIs below
GetItemTypes(itemIDs []int64) ([]models.InvType, error)
GetSolarSystems(systemIDs []int64) ([]models.MapSolarSystem, error)
ExpandGroupsIntoItemTypeIds(groups []int64) ([]int64, error)
GetModuleSlots(moduleIDs []int64) (map[int64]ModuleSlot, error)
CacheSet(key string, data []byte) error
CacheGet(key string) ([]byte, error)
CacheClean() error
}
type DBWrapper struct {
ch driver.Conn
db *gorm.DB // For SQLite (EVE static data)
}
var db *DBWrapper
func GetDB() (DB, error) {
if db != nil {
return db, nil
}
sdb, err := GetDBSqlite()
if err != nil {
return nil, fmt.Errorf("failed to connect to SQLite: %w", err)
}
conn, err := GetDBClickhouse()
if err != nil {
return nil, fmt.Errorf("failed to connect to ClickHouse: %w", err)
}
db = &DBWrapper{
ch: conn,
db: sdb,
}
err = db.Init()
return db, err
}
func GetDBSqlite() (*gorm.DB, error) {
return gorm.Open(sqlite.Open("sqlite-latest.sqlite"), &gorm.Config{
NamingStrategy: schema.NamingStrategy{
NoLowerCase: true,
},
})
}
func GetDBClickhouse() (driver.Conn, error) {
options := &clickhouse.Options{
Addr: []string{"clickhouse.site.quack-lab.dev"},
Auth: clickhouse.Auth{
Database: "zkill",
Username: "default",
Password: "",
},
Protocol: clickhouse.HTTP,
Settings: clickhouse.Settings{
"max_query_size": 100000000,
},
}
return clickhouse.Open(options)
}
func (db *DBWrapper) Get() *gorm.DB {
return db.db
}
func (db *DBWrapper) Init() error {
ctx := context.Background()
// Migrate unified cache table
// Use raw SQL to create table and index with IF NOT EXISTS to avoid errors
// For 404s, we store a special marker byte sequence instead of NULL
err := db.db.AutoMigrate(&CacheEntry{})
if err != nil {
return fmt.Errorf("failed to migrate cache_entries table: %w", err)
}
// Create killmails table
createFlatKillmails := `
CREATE TABLE IF NOT EXISTS killmails (
killmail_id Int64,
killmail_time DateTime,
solar_system_id Int64,
killmail_hash String,
victim_ship_type_id Int64,
victim_character_id Int64,
victim_corporation_id Int64,
victim_alliance_id Int64,
victim_damage_taken Int64,
victim_pos_x Float64,
victim_pos_y Float64,
victim_pos_z Float64,
attacker_count UInt16,
total_damage_done Int64,
final_blow_ship_type Int64,
attackers Array(Tuple(
Int64, -- character_id
Int64, -- corporation_id
Int64, -- alliance_id
Int64, -- ship_type_id
Int64, -- weapon_type_id
Int64, -- damage_done
UInt8, -- final_blow
Float64 -- security_status
)),
items Array(Tuple(
Int64, -- flag
Int64, -- item_type_id
Int64, -- quantity_destroyed
Int64, -- quantity_dropped
Int64 -- singleton
))
) ENGINE = MergeTree()
ORDER BY (killmail_id)
PRIMARY KEY (killmail_id)`
err = db.ch.Exec(ctx, createFlatKillmails)
if err != nil {
return fmt.Errorf("failed to create killmails table: %w", err)
}
// Create modules table
createFittedModules := `
CREATE TABLE IF NOT EXISTS modules (
killmail_id Int64,
item_type_id Int64,
slot String
) ENGINE = MergeTree()
ORDER BY (killmail_id, item_type_id)
PRIMARY KEY (killmail_id, item_type_id)`
err = db.ch.Exec(ctx, createFittedModules)
if err != nil {
return fmt.Errorf("failed to create modules table: %w", err)
}
return nil
}
func (db *DBWrapper) QueryFits(params QueryParams) (*FitStatistics, error) {
ctx := context.Background()
flog := logger.Default.WithPrefix("QueryFits").WithPrefix(fmt.Sprintf("%+v", params))
flog.Info("Starting query")
// Expand groups into item type IDs
newItemTypes, err := db.ExpandGroupsIntoItemTypeIds(params.Groups)
if err != nil {
flog.Error("Failed to expand groups: %v", err)
return nil, err
}
params.Modules = append(params.Modules, newItemTypes...)
modules := deduplicateInt64(params.Modules)
flog.Debug("Deduplicated modules: %d -> %d", len(params.Modules), len(modules))
// Build the base query - start with all killmails
baseQuery := `
SELECT
fk.killmail_id,
fk.solar_system_id,
fk.victim_ship_type_id
FROM killmails fk`
args := []interface{}{}
whereClauses := []string{}
// Apply filters
if params.Ship > 0 {
whereClauses = append(whereClauses, "fk.victim_ship_type_id = ?")
args = append(args, params.Ship)
}
if len(params.Systems) > 0 {
placeholders := make([]string, len(params.Systems))
for i := range params.Systems {
placeholders[i] = "?"
args = append(args, params.Systems[i])
}
whereClauses = append(whereClauses, "fk.solar_system_id IN ("+strings.Join(placeholders, ",")+")")
}
// For module filters, we need to join with modules
var moduleJoin string
if len(modules) > 0 {
placeholders := make([]string, len(modules))
for i := range modules {
placeholders[i] = "?"
args = append(args, modules[i])
}
moduleJoin = `
INNER JOIN modules fm ON fk.killmail_id = fm.killmail_id`
whereClauses = append(whereClauses, "fm.item_type_id IN ("+strings.Join(placeholders, ",")+")")
}
// Build final query
query := baseQuery + moduleJoin
if len(whereClauses) > 0 {
query += " WHERE " + strings.Join(whereClauses, " AND ")
}
flog.Debug("Executing query: %s", query)
rows, err := db.ch.Query(ctx, query, args...)
if err != nil {
flog.Error("Failed to execute query: %v", err)
return nil, err
}
defer rows.Close()
// Collect results
var killmailIDs []int64
var systemIDs []int64
var shipTypeIDs []int64
for rows.Next() {
var killmailID, systemID, shipTypeID int64
if err := rows.Scan(&killmailID, &systemID, &shipTypeID); err != nil {
flog.Error("Failed to scan row: %v", err)
return nil, err
}
killmailIDs = append(killmailIDs, killmailID)
systemIDs = append(systemIDs, systemID)
shipTypeIDs = append(shipTypeIDs, shipTypeID)
}
totalKillmails := int64(len(killmailIDs))
flog.Info("Found %d killmails after filtering", totalKillmails)
if totalKillmails == 0 {
return &FitStatistics{
TotalKillmails: 0,
ShipBreakdown: make(map[int64]Stats),
SystemBreakdown: make(map[int64]Stats),
HighSlotModules: make(map[int32]Stats),
MidSlotModules: make(map[int32]Stats),
LowSlotModules: make(map[int32]Stats),
Rigs: make(map[int32]Stats),
Drones: make(map[int32]Stats),
KillmailIDs: []int64{},
}, nil
}
// Calculate ship breakdown
shipCounts := make(map[int64]int64)
for _, shipTypeID := range shipTypeIDs {
shipCounts[shipTypeID]++
}
shipBreakdown := make(map[int64]Stats)
for shipTypeID, count := range shipCounts {
percentage := float64(count) / float64(totalKillmails) * 100.0
shipBreakdown[shipTypeID] = Stats{
Count: count,
Percentage: percentage,
}
}
// Calculate system breakdown
systemCounts := make(map[int64]int64)
for _, systemID := range systemIDs {
systemCounts[systemID]++
}
systemBreakdown := make(map[int64]Stats)
for systemID, count := range systemCounts {
percentage := float64(count) / float64(totalKillmails) * 100.0
systemBreakdown[systemID] = Stats{
Count: count,
Percentage: percentage,
}
}
// Calculate module statistics
stats := &FitStatistics{
TotalKillmails: totalKillmails,
ShipBreakdown: shipBreakdown,
SystemBreakdown: systemBreakdown,
HighSlotModules: make(map[int32]Stats),
MidSlotModules: make(map[int32]Stats),
LowSlotModules: make(map[int32]Stats),
Rigs: make(map[int32]Stats),
Drones: make(map[int32]Stats),
KillmailIDs: limitKillmails(killmailIDs, params.KillmailLimit),
}
// Get module statistics for the filtered killmails
if err := db.calculateModuleStats(killmailIDs, stats, flog); err != nil {
flog.Error("Failed to calculate module stats: %v", err)
return nil, err
}
flog.Info("Statistics calculated: %d high, %d mid, %d low, %d rigs, %d drones",
len(stats.HighSlotModules), len(stats.MidSlotModules), len(stats.LowSlotModules),
len(stats.Rigs), len(stats.Drones))
return stats, nil
}
func (db *DBWrapper) ExpandGroupsIntoItemTypeIds(groups []int64) ([]int64, error) {
var groupTypeIDs []int64
result := db.db.Model(&models.InvType{}).
Select("typeID").
Where("groupID IN ?", groups).
Pluck("typeID", &groupTypeIDs)
return groupTypeIDs, result.Error
}
func (db *DBWrapper) SearchShips(query string, limit int) ([]models.InvType, error) {
var ships []models.InvType
searchPattern := "%" + strings.ToLower(query) + "%"
err := db.db.Table("invTypes").
Joins("INNER JOIN invGroups ON invTypes.groupID = invGroups.groupID").
Where("LOWER(invTypes.\"typeName\") LIKE ? AND invGroups.categoryID IN (6)", searchPattern).
Limit(limit).
Find(&ships).Error
return ships, err
}
func (db *DBWrapper) SearchSystems(query string, limit int) ([]models.MapSolarSystem, error) {
var systems []models.MapSolarSystem
searchPattern := "%" + strings.ToLower(query) + "%"
err := db.db.Table("mapSolarSystems").
Where("LOWER(\"solarSystemName\") LIKE ?", searchPattern).
Limit(limit).
Find(&systems).Error
return systems, err
}
func (db *DBWrapper) SearchModules(query string, limit int) ([]models.InvType, error) {
var modules []models.InvType
searchPattern := "%" + strings.ToLower(query) + "%"
err := db.db.Table("invTypes").
Joins("INNER JOIN invGroups ON invTypes.groupID = invGroups.groupID").
Where("LOWER(invTypes.\"typeName\") LIKE ? AND invGroups.categoryID IN (7, 66)", searchPattern).
Limit(limit).
Find(&modules).Error
return modules, err
}
func (db *DBWrapper) SearchGroups(query string, limit int) ([]models.InvGroup, error) {
var groups []models.InvGroup
searchPattern := "%" + strings.ToLower(query) + "%"
err := db.db.Table("invGroups").
Where("LOWER(\"groupName\") LIKE ?", searchPattern).
Limit(limit).
Find(&groups).Error
return groups, err
}
func (db *DBWrapper) GetItemTypes(itemIDs []int64) ([]models.InvType, error) {
var itemTypes []models.InvType
res := db.db.Model(&models.InvType{}).
Where("typeID IN ?", itemIDs).
Find(&itemTypes)
return itemTypes, res.Error
}
func (db *DBWrapper) GetSolarSystems(systemIDs []int64) ([]models.MapSolarSystem, error) {
var systems []models.MapSolarSystem
res := db.db.Model(&models.MapSolarSystem{}).
Where("solarSystemID IN ?", systemIDs).
Find(&systems)
return systems, res.Error
}
func deduplicateInt64(slice []int64) []int64 {
seen := make(map[int64]bool)
result := make([]int64, 0, len(slice))
for _, v := range slice {
if !seen[v] {
seen[v] = true
result = append(result, v)
}
}
return result
}
func (db *DBWrapper) calculateStats(params QueryParams, shipTypeIDs []int64, killmailIDs []int64, stats *FitStatistics, total int64, flog *logger.Logger) error {
// if total == 0 {
// return nil
// }
// ctx := context.Background()
// var query string
// var args []interface{}
// if len(killmailIDs) > 0 && len(killmailIDs) < 100000 {
// placeholders := make([]string, len(killmailIDs))
// for i := range killmailIDs {
// placeholders[i] = "?"
// args = append(args, killmailIDs[i])
// }
// query = "SELECT item_type_id, flag, count(DISTINCT killmail_id) as count FROM modules WHERE killmail_id IN (" + strings.Join(placeholders, ",") + ")"
// } else {
// var shipPlaceholders []string
// if len(shipTypeIDs) > 0 {
// shipPlaceholders = make([]string, len(shipTypeIDs))
// for i, shipID := range shipTypeIDs {
// shipPlaceholders[i] = "?"
// args = append(args, shipID)
// }
// } else if params.Ship != 0 {
// shipPlaceholders = []string{"?"}
// args = []interface{}{params.Ship}
// }
// if len(shipPlaceholders) > 0 {
// query = "SELECT item_type_id, flag, count(DISTINCT killmail_id) as count FROM modules WHERE victim_ship_type_id IN (" + strings.Join(shipPlaceholders, ",") + ")"
// } else {
// query = "SELECT item_type_id, flag, count(DISTINCT killmail_id) as count FROM modules"
// }
// if len(params.Systems) > 0 {
// sysPlaceholders := make([]string, len(params.Systems))
// for i := range params.Systems {
// sysPlaceholders[i] = "?"
// args = append(args, params.Systems[i])
// }
// if len(shipPlaceholders) > 0 {
// query += " AND solar_system_id IN (" + strings.Join(sysPlaceholders, ",") + ")"
// } else {
// query += " WHERE solar_system_id IN (" + strings.Join(sysPlaceholders, ",") + ")"
// }
// }
// }
// query += " GROUP BY item_type_id, flag"
// rows, err := db.ch.Query(ctx, query, args...)
// if err != nil {
// flog.Error("Failed to query module stats: %v", err)
// return err
// }
// defer rows.Close()
// // Map to aggregate counts per item_type_id (not per flag)
// itemCounts := make(map[int64]uint64)
// itemFlags := make(map[int64]int64)
// for rows.Next() {
// var itemTypeID, flag int64
// var count uint64
// if err := rows.Scan(&itemTypeID, &flag, &count); err != nil {
// flog.Error("Failed to scan module stat: %v", err)
// return err
// }
// // Only count fitted modules - ignore cargo (flag 5) and other non-module flags
// if flag < 11 || (flag > 34 && flag != 87 && (flag < 92 || flag > 99)) {
// continue
// }
// // Aggregate: if we've seen this item_type_id before, use the max count (should be same, but just in case)
// if existing, exists := itemCounts[itemTypeID]; !exists || count > existing {
// itemCounts[itemTypeID] = count
// itemFlags[itemTypeID] = flag
// }
// }
// // For filtered modules, they should be in 100% of fits - ADD THEM FIRST
// filteredModules := make(map[int64]bool)
// moduleSlots := make(map[int64]string)
// if len(params.Modules) > 0 {
// slots, err := db.getModuleSlots(params.Modules)
// if err == nil {
// moduleSlots = slots
// }
// for _, moduleID := range params.Modules {
// filteredModules[moduleID] = true
// // Add filtered modules immediately with 100%
// Stats := Stats{
// Count: total,
// Percentage: 100.0,
// }
// slot, _ := moduleSlots[moduleID]
// switch slot {
// case "low":
// stats.LowSlotModules[int32(moduleID)] = Stats
// case "mid":
// stats.MidSlotModules[int32(moduleID)] = Stats
// case "high":
// stats.HighSlotModules[int32(moduleID)] = Stats
// case "rig":
// stats.Rigs[int32(moduleID)] = Stats
// case "drone":
// stats.Drones[int32(moduleID)] = Stats
// default:
// stats.HighSlotModules[int32(moduleID)] = Stats
// }
// }
// }
// // Add all modules from query results (filtered ones already added with 100%)
// for itemTypeID, count := range itemCounts {
// if filteredModules[itemTypeID] {
// continue
// }
// percentage := float64(count) / float64(total) * 100.0
// Stats := Stats{
// Count: int64(count),
// Percentage: percentage,
// }
// flag := itemFlags[itemTypeID]
// switch {
// case flag >= 11 && flag <= 18:
// stats.LowSlotModules[int32(itemTypeID)] = Stats
// case flag >= 19 && flag <= 26:
// stats.MidSlotModules[int32(itemTypeID)] = Stats
// case flag >= 27 && flag <= 34:
// stats.HighSlotModules[int32(itemTypeID)] = Stats
// case flag >= 92 && flag <= 99:
// stats.Rigs[int32(itemTypeID)] = Stats
// case flag == 87:
// stats.Drones[int32(itemTypeID)] = Stats
// }
// }
// return nil
return nil
}
func (db *DBWrapper) CacheSet(key string, data []byte) error {
flog := logger.Default.WithPrefix("CacheSet").WithPrefix(key)
flog.Dump("data", data)
err := db.CacheClean()
if err != nil {
flog.Debug("Failed to clean cache: %v", err)
return err
}
cacheEntry := CacheEntry{
Key: key,
Data: data,
CreatedAt: time.Now(),
}
flog.Debug("Creating cache entry")
flog.Dump("cacheEntry", cacheEntry)
return db.db.Create(&cacheEntry).Error
}
var ErrCacheMiss = gorm.ErrRecordNotFound
func (db *DBWrapper) CacheGet(key string) ([]byte, error) {
flog := logger.Default.WithPrefix("CacheGet").WithPrefix(key)
flog.Dump("key", key)
err := db.CacheClean()
if err != nil {
flog.Debug("Failed to clean cache: %v", err)
return nil, err
}
cacheEntry := CacheEntry{Key: key}
res := db.db.Model(&CacheEntry{}).
Where(cacheEntry).
First(&cacheEntry)
flog.Debug("Found cache entry")
flog.Dump("cacheEntry", cacheEntry)
flog.Dump("res", res)
return cacheEntry.Data, res.Error
}
func (db *DBWrapper) CacheClean() error {
flog := logger.Default.WithPrefix("CacheClean")
threshold := time.Now().Add(-72 * time.Hour)
flog.Dump("threshold", threshold)
return db.db.
Where("created_at < ?", threshold).
Delete(&CacheEntry{}).Error
}
func (db *DBWrapper) GetModuleSlots(moduleIDs []int64) (map[int64]ModuleSlot, error) {
if len(moduleIDs) == 0 {
return make(map[int64]ModuleSlot), nil
}
var effects []models.DgmTypeEffect
qres := db.db.Model(&models.DgmTypeEffect{}).
Select("typeID, effectID").
Where("typeID IN ? AND effectID IN (11, 12, 13, 2663)", moduleIDs).
Find(&effects)
if qres.Error != nil {
return nil, qres.Error
}
result := make(map[int64]ModuleSlot)
for _, e := range effects {
var slot ModuleSlot
switch e.EffectID {
case 11:
slot = ModuleSlotLow
case 12:
slot = ModuleSlotHigh
case 13:
slot = ModuleSlotMid
case 2663:
slot = ModuleSlotRig
}
result[int64(e.TypeID)] = slot
}
return result, nil
}
func limitKillmails(killmailIDs []int64, limit int) []int64 {
if limit <= 0 || len(killmailIDs) <= limit {
return killmailIDs
}
return killmailIDs[:limit]
}
func (db *DBWrapper) calculateModuleStats(killmailIDs []int64, stats *FitStatistics, flog *cylogger.Logger) error {
if len(killmailIDs) == 0 {
return nil
}
ctx := context.Background()
// Create placeholders for killmail IDs
placeholders := make([]string, len(killmailIDs))
args := make([]interface{}, len(killmailIDs))
for i, id := range killmailIDs {
placeholders[i] = "?"
args = append(args, id)
}
// Query module statistics - count distinct killmails per (item_type_id, slot) combination
query := fmt.Sprintf(`
SELECT
fm.item_type_id,
fm.slot,
COUNT(DISTINCT fm.killmail_id) as count
FROM modules fm
WHERE fm.killmail_id IN (%s)
GROUP BY fm.item_type_id, fm.slot
ORDER BY count DESC`, strings.Join(placeholders, ","))
rows, err := db.ch.Query(ctx, query, args...)
if err != nil {
return fmt.Errorf("failed to query module stats: %w", err)
}
defer rows.Close()
totalKillmails := float64(stats.TotalKillmails)
for rows.Next() {
var itemTypeID int32
var slot string
var count int64
if err := rows.Scan(&itemTypeID, &slot, &count); err != nil {
return fmt.Errorf("failed to scan module row: %w", err)
}
percentage := float64(count) / totalKillmails * 100.0
stat := Stats{Count: count, Percentage: percentage}
// Map slot to the appropriate map
switch slot {
case "Low":
stats.LowSlotModules[itemTypeID] = stat
case "Mid":
stats.MidSlotModules[itemTypeID] = stat
case "High":
stats.HighSlotModules[itemTypeID] = stat
case "Rig":
stats.Rigs[itemTypeID] = stat
case "Drone":
stats.Drones[itemTypeID] = stat
}
}
return nil
}