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| package clib
import (
"fmt"
"strconv"
"github.com/pkg/errors"
"github.com/valyala/fasthttp"
"{{{ .Package }}}/app"
"{{{ .Package }}}/app/controller"
"{{{ .Package }}}/app/controller/cutil"
"{{{ .Package }}}/app/lib/database"
"{{{ .Package }}}/app/util"
"{{{ .Package }}}/views/vdatabase"
)
const KeyAnalyze = "analyze"
func DatabaseList(rc *fasthttp.RequestCtx) {
controller.Act("database.list", rc, func(as *app.State, ps *cutil.PageState) (string, error) {
keys := database.RegistryKeys()
if len(keys) == 1 {
return "/admin/database/" + keys[0], nil
}
svcs := make(map[string]*database.Service, len(keys))
for _, key := range keys {
svc, err := database.RegistryGet(key)
if err != nil {
return "", errors.Wrapf(err, "no database found with key [%s]", key)
}
svcs[key] = svc
}
return controller.Render(rc, as, &vdatabase.List{Keys: keys, Services: svcs}, ps, "admin", "Database")
})
}
func DatabaseDetail(rc *fasthttp.RequestCtx) {
controller.Act("database.detail", rc, func(as *app.State, ps *cutil.PageState) (string, error) {
svc, err := getDatabaseService(rc)
if err != nil {
return "", err
}
return controller.Render(rc, as, &vdatabase.Detail{Mode: "", Svc: svc}, ps, "admin", "Database||/admin/database", svc.Key)
})
}
func DatabaseAction(rc *fasthttp.RequestCtx) {
controller.Act("database.action", rc, func(as *app.State, ps *cutil.PageState) (string, error) {
svc, err := getDatabaseService(rc)
if err != nil {
return "", err
}
act, err := cutil.RCRequiredString(rc, "act", true)
if err != nil {
return "", err
}
bc := []string{"admin", "Database||/admin/database", fmt.Sprintf("%s||/admin/database/%s", svc.Key, svc.Key), act}
switch act {
case "enable":
_ = svc.EnableTracing(string(rc.URI().QueryArgs().Peek("tracing")), ps.Logger)
return "/admin/database/" + svc.Key + "/recent", nil
case "recent":
if idxStr := string(rc.URI().QueryArgs().Peek("idx")); idxStr != "" {
idx, _ := strconv.ParseInt(idxStr, 10, 32)
st := database.GetDebugStatement(svc.Key, int(idx))
if st != nil {
return controller.Render(rc, as, &vdatabase.Statement{Statement: st}, ps, bc...)
}
}
recent := database.GetDebugStatements(svc.Key)
return controller.Render(rc, as, &vdatabase.Detail{Mode: "recent", Svc: svc, Recent: recent}, ps, bc...)
case "tables":
sizes, dberr := svc.Sizes(ps.Context, ps.Logger)
if dberr != nil {
return "", errors.Wrapf(dberr, "unable to calculate sizes for database [%s]", svc.Key)
}
return controller.Render(rc, as, &vdatabase.Detail{Mode: "tables", Svc: svc, Sizes: sizes}, ps, bc...)
case KeyAnalyze:
t := util.TimerStart()
var tmp []any
err = svc.Select(ps.Context, &tmp, KeyAnalyze, nil, ps.Logger)
if err != nil {
return "", err
}
msg := fmt.Sprintf("Analyzed database in [%s]", util.MicrosToMillis(t.End()))
return controller.FlashAndRedir(true, msg, "/admin/database/"+svc.Key+"/tables", rc, ps){{{ if .DatabaseUISQLEditor }}}
case "sql":
return controller.Render(rc, as, &vdatabase.Detail{Mode: "sql", Svc: svc, SQL: "select 1;"}, ps, bc...){{{ end }}}
default:
return "", errors.Errorf("invalid database action [%s]", act)
}
})
}
func DatabaseTableView(rc *fasthttp.RequestCtx) {
controller.Act("database.sql.run", rc, func(as *app.State, ps *cutil.PageState) (string, error) {
prms := ps.Params.Get("table", []string{"*"}, ps.Logger).Sanitize("table")
svc, err := getDatabaseService(rc)
if err != nil {
return "", err
}
schema, _ := cutil.RCRequiredString(rc, "schema", true)
table, _ := cutil.RCRequiredString(rc, "table", true)
tbl := fmt.Sprintf("%q", table)
if schema != "default" {
tbl = fmt.Sprintf("%q.%q", schema, table)
}
q := database.SQLSelect("*", tbl, "", prms.OrderByString(), prms.Limit, prms.Offset, as.DB.Placeholder())
res, err := svc.QueryRows(ps.Context, q, nil, ps.Logger)
ps.Data = res
bc := []string{"admin", "Database||/admin/database", fmt.Sprintf("%s||/admin/database/%s", svc.Key, svc.Key), "Tables"}
return controller.Render(rc, as, &vdatabase.Results{Svc: svc, Schema: schema, Table: table, Results: res, Params: prms, Error: err}, ps, bc...)
})
}{{{ if .DatabaseUISQLEditor }}}
func DatabaseSQLRun(rc *fasthttp.RequestCtx) {
controller.Act("database.sql.run", rc, func(as *app.State, ps *cutil.PageState) (string, error) {
svc, err := getDatabaseService(rc)
if err != nil {
return "", err
}
f := rc.PostArgs()
sql := string(f.Peek("sql"))
c := string(f.Peek("commit"))
commit := c == util.BoolTrue
action := string(f.Peek("action"))
if action == KeyAnalyze {
sql = "explain analyze " + sql
}
tx, err := svc.StartTransaction(ps.Logger)
if err != nil {
return "", errors.Wrap(err, "unable to start transaction")
}
defer func() { _ = tx.Rollback() }()
var columns []string
results := [][]any{}
timer := util.TimerStart()
result, err := svc.Query(ps.Context, sql, tx, ps.Logger)
if err != nil {
return "", err
}
defer func() { _ = result.Close() }()
elapsed := timer.End()
if result != nil {
for result.Next() {
if columns == nil {
columns, _ = result.Columns()
}
row, e := result.SliceScan()
if e != nil {
return "", errors.Wrap(e, "unable to read row")
}
results = append(results, row)
}
}{{{ if .DatabaseUIReadOnly }}}
_ = tx.Rollback(){{{ else }}}
if commit {
err = tx.Commit()
if err != nil {
return "", errors.Wrap(err, "unable to commit transaction")
}
} else {
_ = tx.Rollback()
}{{{ end }}}
ps.Title = "SQL Results"
ps.Data = results
page := &vdatabase.Detail{Mode: "sql", Svc: svc, SQL: sql, Columns: columns, Results: results, Timing: elapsed, Commit: commit}
return controller.Render(rc, as, page, ps, "admin", "Database||/admin/database", svc.Key+"||/admin/database/"+svc.Key, "Results")
})
}{{{ end }}}
func getDatabaseService(rc *fasthttp.RequestCtx) (*database.Service, error) {
key, err := cutil.RCRequiredString(rc, "key", true)
if err != nil {
return nil, err
}
svc, err := database.RegistryGet(key)
if err != nil {
return nil, errors.Wrapf(err, "no database found with key [%s]", key)
}
return svc, nil
}
|