gosora/query_gen/lib/builder.go
Azareal d0318191c9 Added the menu manager and menu item editor.
Refactored the menu system.
Updated the README and revamped it a tad to make it easier to understand. Also, added manual instructions for patching.
Revamped the update scripts, especially on Windows.
Merged the CSS and Tmpl phrase namespaces.
Added lastSchema to .gitignore
Added DropTable to the database adapters.
Implemented DbVersion in the PgSQL Adapter.
Swapped out the checkboxes for cleaner looking yes-no dropdowns.
Began revamping small bits of the user logic.

We now open to contributions, just open a pull request and sign the CLA.
Schema has been updated, run the patcher or update script.
2018-05-11 15:41:51 +10:00

204 lines
7.5 KiB
Go

/* WIP Under Construction */
package qgen
import "database/sql"
var Builder *builder
func init() {
Builder = &builder{conn: nil}
}
// A set of wrappers around the generator methods, so that we can use this inline in Gosora
type builder struct {
conn *sql.DB
adapter Adapter
}
func (build *builder) Accumulator() *Accumulator {
return &Accumulator{build.conn, build.adapter, nil}
}
// TODO: Move this method out of builder?
func (build *builder) Init(adapter string, config map[string]string) error {
err := build.SetAdapter(adapter)
if err != nil {
return err
}
conn, err := build.adapter.BuildConn(config)
build.conn = conn
return err
}
func (build *builder) SetConn(conn *sql.DB) {
build.conn = conn
}
func (build *builder) GetConn() *sql.DB {
return build.conn
}
func (build *builder) SetAdapter(name string) error {
adap, err := GetAdapter(name)
if err != nil {
return err
}
build.adapter = adap
return nil
}
func (build *builder) GetAdapter() Adapter {
return build.adapter
}
func (build *builder) DbVersion() (dbVersion string) {
build.conn.QueryRow(build.adapter.DbVersion()).Scan(&dbVersion)
return dbVersion
}
func (build *builder) Begin() (*sql.Tx, error) {
return build.conn.Begin()
}
func (build *builder) Tx(handler func(*TransactionBuilder) error) error {
tx, err := build.conn.Begin()
if err != nil {
return err
}
err = handler(&TransactionBuilder{tx, build.adapter, nil})
if err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
func (build *builder) prepare(res string, err error) (*sql.Stmt, error) {
if err != nil {
return nil, err
}
return build.conn.Prepare(res)
}
func (build *builder) SimpleSelect(table string, columns string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.SimpleSelect("_builder", table, columns, where, orderby, limit))
}
func (build *builder) SimpleCount(table string, where string, limit string) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.SimpleCount("_builder", table, where, limit))
}
func (build *builder) SimpleLeftJoin(table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.SimpleLeftJoin("_builder", table1, table2, columns, joiners, where, orderby, limit))
}
func (build *builder) SimpleInnerJoin(table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.SimpleInnerJoin("_builder", table1, table2, columns, joiners, where, orderby, limit))
}
func (build *builder) DropTable(table string) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.DropTable("_builder", table))
}
func (build *builder) CreateTable(table string, charset string, collation string, columns []DBTableColumn, keys []DBTableKey) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.CreateTable("_builder", table, charset, collation, columns, keys))
}
func (build *builder) SimpleInsert(table string, columns string, fields string) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.SimpleInsert("_builder", table, columns, fields))
}
func (build *builder) SimpleInsertSelect(ins DBInsert, sel DBSelect) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.SimpleInsertSelect("_builder", ins, sel))
}
func (build *builder) SimpleInsertLeftJoin(ins DBInsert, sel DBJoin) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.SimpleInsertLeftJoin("_builder", ins, sel))
}
func (build *builder) SimpleInsertInnerJoin(ins DBInsert, sel DBJoin) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.SimpleInsertInnerJoin("_builder", ins, sel))
}
func (build *builder) SimpleUpdate(table string, set string, where string) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.SimpleUpdate("_builder", table, set, where))
}
func (build *builder) SimpleDelete(table string, where string) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.SimpleDelete("_builder", table, where))
}
// I don't know why you need this, but here it is x.x
func (build *builder) Purge(table string) (stmt *sql.Stmt, err error) {
return build.prepare(build.adapter.Purge("_builder", table))
}
func (build *builder) prepareTx(tx *sql.Tx, res string, err error) (*sql.Stmt, error) {
if err != nil {
return nil, err
}
return tx.Prepare(res)
}
// These ones support transactions
func (build *builder) SimpleSelectTx(tx *sql.Tx, table string, columns string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
res, err := build.adapter.SimpleSelect("_builder", table, columns, where, orderby, limit)
return build.prepareTx(tx, res, err)
}
func (build *builder) SimpleCountTx(tx *sql.Tx, table string, where string, limit string) (stmt *sql.Stmt, err error) {
res, err := build.adapter.SimpleCount("_builder", table, where, limit)
return build.prepareTx(tx, res, err)
}
func (build *builder) SimpleLeftJoinTx(tx *sql.Tx, table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
res, err := build.adapter.SimpleLeftJoin("_builder", table1, table2, columns, joiners, where, orderby, limit)
return build.prepareTx(tx, res, err)
}
func (build *builder) SimpleInnerJoinTx(tx *sql.Tx, table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
res, err := build.adapter.SimpleInnerJoin("_builder", table1, table2, columns, joiners, where, orderby, limit)
return build.prepareTx(tx, res, err)
}
func (build *builder) CreateTableTx(tx *sql.Tx, table string, charset string, collation string, columns []DBTableColumn, keys []DBTableKey) (stmt *sql.Stmt, err error) {
res, err := build.adapter.CreateTable("_builder", table, charset, collation, columns, keys)
return build.prepareTx(tx, res, err)
}
func (build *builder) SimpleInsertTx(tx *sql.Tx, table string, columns string, fields string) (stmt *sql.Stmt, err error) {
res, err := build.adapter.SimpleInsert("_builder", table, columns, fields)
return build.prepareTx(tx, res, err)
}
func (build *builder) SimpleInsertSelectTx(tx *sql.Tx, ins DBInsert, sel DBSelect) (stmt *sql.Stmt, err error) {
res, err := build.adapter.SimpleInsertSelect("_builder", ins, sel)
return build.prepareTx(tx, res, err)
}
func (build *builder) SimpleInsertLeftJoinTx(tx *sql.Tx, ins DBInsert, sel DBJoin) (stmt *sql.Stmt, err error) {
res, err := build.adapter.SimpleInsertLeftJoin("_builder", ins, sel)
return build.prepareTx(tx, res, err)
}
func (build *builder) SimpleInsertInnerJoinTx(tx *sql.Tx, ins DBInsert, sel DBJoin) (stmt *sql.Stmt, err error) {
res, err := build.adapter.SimpleInsertInnerJoin("_builder", ins, sel)
return build.prepareTx(tx, res, err)
}
func (build *builder) SimpleUpdateTx(tx *sql.Tx, table string, set string, where string) (stmt *sql.Stmt, err error) {
res, err := build.adapter.SimpleUpdate("_builder", table, set, where)
return build.prepareTx(tx, res, err)
}
func (build *builder) SimpleDeleteTx(tx *sql.Tx, table string, where string) (stmt *sql.Stmt, err error) {
res, err := build.adapter.SimpleDelete("_builder", table, where)
return build.prepareTx(tx, res, err)
}
// I don't know why you need this, but here it is x.x
func (build *builder) PurgeTx(tx *sql.Tx, table string) (stmt *sql.Stmt, err error) {
res, err := build.adapter.Purge("_builder", table)
return build.prepareTx(tx, res, err)
}