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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| package player | ||
|
|
||
| import ( | ||
| "github.com/minetest-go/mtdb/types" | ||
| ) | ||
|
|
||
| func getColumns(dbtype types.DatabaseType) []string { | ||
| switch dbtype { | ||
| case types.DATABASE_SQLITE: | ||
| return []string{ | ||
| "name", "pitch", "yaw", | ||
| "posx", "posy", "posz", | ||
| "hp", "breath", | ||
| "strftime('%s', creation_date)", | ||
| "strftime('%s', modification_date)", | ||
| } | ||
| case types.DATABASE_POSTGRES: | ||
| return []string{ | ||
| "name", "pitch", "yaw", | ||
| "posx", "posy", "posz", | ||
| "hp", "breath", | ||
| "extract(epoch from creation_date)::int", | ||
| "extract(epoch from modification_date)::int", | ||
| } | ||
| default: | ||
| return nil | ||
| } | ||
| } | ||
|
|
||
| func scanPlayer(scan func(v ...any) error) (*Player, error) { | ||
| p := &Player{} | ||
| err := scan(&p.Name, &p.Pitch, &p.Yaw, &p.PosX, &p.PosY, &p.PosZ, &p.HP, &p.Breath, &p.CreationDate, &p.ModificationDate) | ||
| return p, err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package player | ||
|
|
||
| import ( | ||
| "archive/zip" | ||
| "bufio" | ||
| "bytes" | ||
| "encoding/json" | ||
| ) | ||
|
|
||
| func (r *PlayerRepository) Export(z *zip.Writer) error { | ||
| w, err := z.Create("player.json") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| enc := json.NewEncoder(w) | ||
|
|
||
| rows, err := r.db.Query("select name from player") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer rows.Close() | ||
|
|
||
| for rows.Next() { | ||
| name := "" | ||
| err = rows.Scan(&name) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| player, err := r.GetPlayer(name) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = enc.Encode(player) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (r *PlayerRepository) Import(z *zip.Reader) error { | ||
| f, err := z.Open("player.json") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer f.Close() | ||
|
|
||
| sc := bufio.NewScanner(f) | ||
| for sc.Scan() { | ||
| dc := json.NewDecoder(bytes.NewReader(sc.Bytes())) | ||
| e := &Player{} | ||
| err = dc.Decode(e) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = r.CreateOrUpdate(e) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package player | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
| ) | ||
|
|
||
| func (repo *PlayerRepository) buildWhereClause(fields string, s *PlayerSearch) (string, []any) { | ||
| q := `select ` + fields + ` from player where true ` | ||
| args := make([]any, 0) | ||
| i := 1 | ||
|
|
||
| if s.Name != nil { | ||
| q += fmt.Sprintf(" and name = $%d", i) | ||
| args = append(args, *s.Name) | ||
| i++ | ||
| } | ||
|
|
||
| if s.Namelike != nil { | ||
| q += fmt.Sprintf(" and name like $%d", i) | ||
| args = append(args, *s.Namelike) | ||
| i++ | ||
| } | ||
|
|
||
| if s.OrderColumn != nil && orderColumns[*s.OrderColumn] { | ||
| order := Ascending | ||
| if s.OrderDirection != nil && orderDirections[*s.OrderDirection] { | ||
| order = *s.OrderDirection | ||
| } | ||
|
|
||
| q += fmt.Sprintf(" order by %s %s", *s.OrderColumn, order) | ||
| } | ||
|
|
||
| // limit result length to 1000 per default | ||
| limit := 1000 | ||
| if s.Limit != nil { | ||
| limit = *s.Limit | ||
| } | ||
| q += fmt.Sprintf(" limit %d", limit) | ||
|
|
||
| return q, args | ||
| } | ||
|
|
||
| func (repo *PlayerRepository) Search(s *PlayerSearch) ([]*Player, error) { | ||
| q, args := repo.buildWhereClause(strings.Join(getColumns(repo.dbtype), ","), s) | ||
| rows, err := repo.db.Query(q, args...) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| list := make([]*Player, 0) | ||
| for rows.Next() { | ||
| p, err := scanPlayer(rows.Scan) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| list = append(list, p) | ||
| } | ||
| return list, nil | ||
| } | ||
|
|
||
| func (repo *PlayerRepository) Count(s *PlayerSearch) (int, error) { | ||
| q, args := repo.buildWhereClause("count(*)", s) | ||
| row := repo.db.QueryRow(q, args...) | ||
| count := 0 | ||
| err := row.Scan(&count) | ||
| return count, err | ||
| } |
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