137 lines
3.8 KiB
Go
137 lines
3.8 KiB
Go
// Fast Paste Bin - uberfast and easy-to-use pastebin.
|
|
//
|
|
// Copyright (c) 2018, Stanislav N. aka pztrn and Fast Paste Bin
|
|
// developers.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining
|
|
// a copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to
|
|
// permit persons to whom the Software is furnished to do so, subject
|
|
// to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be
|
|
// included in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
|
|
// OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
package database
|
|
|
|
import (
|
|
// stdlib
|
|
"database/sql"
|
|
"time"
|
|
|
|
// local
|
|
"go.dev.pztrn.name/fastpastebin/internal/database/dialects/flatfiles"
|
|
dialectinterface "go.dev.pztrn.name/fastpastebin/internal/database/dialects/interface"
|
|
"go.dev.pztrn.name/fastpastebin/internal/database/dialects/mysql"
|
|
"go.dev.pztrn.name/fastpastebin/internal/database/dialects/postgresql"
|
|
"go.dev.pztrn.name/fastpastebin/internal/structs"
|
|
|
|
// other
|
|
_ "github.com/go-sql-driver/mysql"
|
|
)
|
|
|
|
// Database represents control structure for database connection.
|
|
type Database struct {
|
|
db dialectinterface.Interface
|
|
}
|
|
|
|
// Database cleanup function. Executes once per hour, hardcoded for now and is
|
|
// a subject of change in future.
|
|
func (db *Database) cleanup() {
|
|
for {
|
|
c.Logger.Info().Msg("Starting pastes cleanup procedure...")
|
|
|
|
pages := db.db.GetPastesPages()
|
|
|
|
var pasteIDsToRemove []int
|
|
|
|
for i := 0; i < pages; i++ {
|
|
pastes, err := db.db.GetPagedPastes(i)
|
|
if err != nil {
|
|
c.Logger.Error().Err(err).Int("page", i).Msg("Failed to perform database cleanup")
|
|
}
|
|
|
|
for _, paste := range pastes {
|
|
if paste.IsExpired() {
|
|
pasteIDsToRemove = append(pasteIDsToRemove, paste.ID)
|
|
}
|
|
}
|
|
}
|
|
|
|
for _, pasteID := range pasteIDsToRemove {
|
|
err := db.DeletePaste(pasteID)
|
|
if err != nil {
|
|
c.Logger.Error().Err(err).Int("paste", pasteID).Msg("Failed to delete paste!")
|
|
}
|
|
}
|
|
|
|
c.Logger.Info().Msg("Pastes cleanup done.")
|
|
|
|
time.Sleep(time.Hour)
|
|
}
|
|
}
|
|
|
|
func (db *Database) DeletePaste(pasteID int) error {
|
|
return db.db.DeletePaste(pasteID)
|
|
}
|
|
|
|
func (db *Database) GetDatabaseConnection() *sql.DB {
|
|
if db.db != nil {
|
|
return db.db.GetDatabaseConnection()
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (db *Database) GetPaste(pasteID int) (*structs.Paste, error) {
|
|
return db.db.GetPaste(pasteID)
|
|
}
|
|
|
|
func (db *Database) GetPagedPastes(page int) ([]structs.Paste, error) {
|
|
return db.db.GetPagedPastes(page)
|
|
}
|
|
|
|
func (db *Database) GetPastesPages() int {
|
|
return db.db.GetPastesPages()
|
|
}
|
|
|
|
// Initialize initializes connection to database.
|
|
func (db *Database) Initialize() {
|
|
c.Logger.Info().Msg("Initializing database connection...")
|
|
|
|
if c.Config.Database.Type == "mysql" {
|
|
mysql.New(c)
|
|
} else if c.Config.Database.Type == "flatfiles" {
|
|
flatfiles.New(c)
|
|
} else if c.Config.Database.Type == "postgresql" {
|
|
postgresql.New(c)
|
|
} else {
|
|
c.Logger.Fatal().Str("type", c.Config.Database.Type).Msg("Unknown database type")
|
|
}
|
|
|
|
go db.cleanup()
|
|
}
|
|
|
|
func (db *Database) RegisterDialect(di dialectinterface.Interface) {
|
|
db.db = di
|
|
db.db.Initialize()
|
|
}
|
|
|
|
func (db *Database) SavePaste(p *structs.Paste) (int64, error) {
|
|
return db.db.SavePaste(p)
|
|
}
|
|
|
|
func (db *Database) Shutdown() {
|
|
db.db.Shutdown()
|
|
}
|